CN211266551U - Power supply system for storage device - Google Patents
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- CN211266551U CN211266551U CN202020309013.8U CN202020309013U CN211266551U CN 211266551 U CN211266551 U CN 211266551U CN 202020309013 U CN202020309013 U CN 202020309013U CN 211266551 U CN211266551 U CN 211266551U
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Abstract
The utility model discloses a power supply system for a storage device, which comprises a power supply management module and a lithium battery, wherein the power supply management module comprises a charging management module, a charging authentication module and a lightning charging interface, and the lithium battery is connected with the charging management module; the lightning charging interface is electrically connected with the charging authentication module through the charging interface and the authentication bus, and the charging authentication module is used for identifying a data line connected with the lightning charging interface; the charging authentication module is electrically connected with the charging management module and used for detecting the charging state. The utility model discloses a lightning interface that charges has realized that the power charges, and on the other hand has stopped wired connection and has leaded to the problem that data revealed.
Description
Technical Field
The utility model belongs to the technical field of power supply unit, concretely relates to electrical power generating system for storage device.
Background
Data storage is an essential link in modern life and office, and in the prior art, digital currency assets such as multi-core or multi-processor digital currency private keys after single storage and backup encryption are mostly adopted. The power supply charging port of the existing storage device can realize wired data transmission, the wired connection is used for backup, the data interface is directly exposed outside, and the safety is poor. On the other hand, the state is generally displayed by the indicator lamps in the conventional power supply system, and the charging and storing states are respectively indicated by a plurality of indicator lamps in most of storage devices, so that the structure is complicated and high in cost, and the single indication of the indicator lamps is easy to confuse and has poor indicating effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a power supply system for storage device, the utility model discloses a lightning interface that charges has realized that the power charges, and on the other hand has stopped wired connection and has leaded to the problem of data disclosure.
The utility model discloses mainly realize through following technical scheme: a power supply system for a storage device comprises a power supply management module and a lithium battery, wherein the power supply management module comprises a charging management module, a charging authentication module and a lightning charging interface, and the lithium battery is connected with the charging management module; the lightning charging interface is electrically connected with the charging authentication module through the charging interface and the authentication bus, and the charging authentication module is used for identifying a data line connected with the lightning charging interface; the charging authentication module is electrically connected with the charging management module and used for detecting the charging state.
In order to better realize the utility model, further, the external adapter connects 5V voltage to pin 5 of the lighting charging interface through the data line, and pin 1 is grounded to provide power supply for charging the device; and a pin 6 and a pin 7 of the lightning charging interface are respectively and electrically connected with the SWD programming interface of the main control chip.
In order to better implement the present invention, further, the pin 6 of the control chip U1 of the charging authentication module is connected to the pin 8 of the lightning charging interface; after the data line is inserted into the lightning charging interface, the authentication chip on the data line initiates an authentication application to the control chip U1, the control chip U1 feeds back authentication information to the authentication chip of the data line after receiving the information, and the authentication is performed by outputting 5V power to the device through the pin 5 of the lightning charging interface.
In order to better implement the present invention, further, the charging management module includes an indication circuit, and the indication circuit adopts a hardware logic device, such as a nor gate or a gate; the indicating circuit comprises a charging chip U14 for outputting two charging states of full charge and charging; when charging is started, pin 1 of the charging chip U14 is at low level, and pin 5 remains at high level; pin 1 of the charging chip U14 is connected to pin 2 of the not-gate chip U13, and outputs a high level at an output pin 4 of the not-gate chip U13, the high level of the not-gate chip U13 is fed back to a main processor through R93 to realize charging detection, and is electrically connected to an input pin 2 of the or-gate chip U30, and meanwhile, the output pin 4 of the or-gate chip U30 is at a high level, or a 4 th pin of the gate chip U30 is electrically connected to a red LED, so that a red light is normally on in a charging state; when the LED is fully charged, the output pin of the NOT gate chip U31 presents high level, and the green light is normally on; the 1 st pin of the input pins of the or gates of the chips U30 and U31 is electrically connected to the GPIO pin of the main processor, so that when the device is turned on, the processor inputs a high/low level to light the red light and the green light.
In order to better realize the utility model, further, under the startup state, if the Bluetooth is not paired, the green indicating lamp flickers, otherwise, the green indicating lamp is always on; when the electric quantity is lower than a set value, the red light is normally on; during data transmission, the red light and the green light synchronously flash to present a yellow indicator light flash.
In order to better realize the utility model, furthermore, the power management module further comprises a power switch, a DCDC power conversion module, a switching on/off detection control module and a processor unit, wherein the power switch is connected with the lithium battery, and the power switch is connected with the processor unit through the switching on/off detection control module so as to detect the switching on/off state in real time; the DCDC power supply conversion module is respectively connected with the power switch and the processor unit and converts the voltage at the power switch into 3.3V.
In order to better realize the utility model discloses, it is further, VBAT electricity among the switching on and shutting down detection control module circuit connects the lithium cell, and is connected through switch tube Q1 electricity between VBAT and VCC _4V2, switch tube Q1's foot 1 is the switch control pin to the electricity is connected totally negative diode's foot 2, and switching on and shutting down button electricity is connected totally negative diode's foot 3, totally negative diode's foot 1 electricity is connected main processor PWGPIO R _ KEY _ DETECT and is pressed down the detection pin as the button; the PWR _ ON _ OFF pin is electrically connected to the master GPIO as a switch control pin.
In order to better realize the utility model, further, when the SW9 is pressed, the SW _ KEY _ DETECT pin becomes low level, the control pin 1 of the switch Q1 also becomes low level, at this time, the switch Q1 is turned ON, the processor unit starts to work and sets PWR _ ON _ OFF to high level, the transistor Q8 is turned ON; when the KEY SW9 is released, the pin PWR _ KEY _ DETECT is changed to a high level, the control pin 1 of the switch tube Q1 is kept to be always in a low level, so that the power-ON state is kept, when the power-OFF state is required, after the KEY SW9 is pressed again, the pin PWR _ KEY _ DETECT is changed from the high level to the low level again, the processor unit DETECTs the change of the high level and the low level of the pin in real time, when the pin is detected to be changed from the high level to the low level, the processor unit considers that the power-OFF operation is triggered, so that the pin PWR _ ON _ OFF is set to be in the low level, the pin 1 of the switch tube Q1 is restored to the high level, the switch tube Q1 is disconnected, and VCC _4V2 is changed to 0V.
The utility model has the advantages that:
(1) the utility model discloses a lightning interface that charges has realized that the power charges, and on the other hand has stopped wired connection and has leaded to the problem that data revealed.
(2) The direct SWD procedure of main control chip of the 6 th foot, the 7 th foot of lighting interface circuit that charges burns writes the interface electricity and connects, can realize the upgrading of procedure firmware under the condition of not tearing complete machine shell open, directly uses the apple data line of standard to accomplish the procedure upgrading, and convenient and fast has better practicality.
(3) The indicating circuit adopts the not door of hardware logic device and OR, has realized that same status indicator both can work as the charge instruction function under the switching on and shutting down, also can work as the bluetooth under the start state and whether connect with bluetooth data transmission's instruction function, the utility model discloses simple structure has improved user experience moreover, has better practicality.
(4) The 1 st pin of the input pins of the OR gates of U30 and U31 is electrically connected to the GPIO pin of the main processor, so that when the power-on state is realized, the processor inputs high and low levels to light the functions of red light and green light in the picture, the state change of the indicator light can be adjusted by the main processor at will, and the power-on state indicator has better practicability.
Drawings
FIG. 1 is a functional block diagram of a power management module;
FIG. 2 is a circuit diagram of a lightning charging interface;
fig. 3 is a circuit diagram of a charging authentication module;
FIG. 4 is a circuit diagram of an indicating circuit;
FIG. 5 is a circuit diagram of an indicator light;
fig. 6 is a circuit diagram of the power on/off detection control module.
Detailed Description
Example 1:
a power supply system for a storage device comprises a power supply management module and a lithium battery, wherein the power supply management module comprises a charging management module, a charging authentication module and a lightning charging interface, and the lithium battery is connected with the charging management module; the lightning charging interface is electrically connected with the charging authentication module through the charging interface and the authentication bus, and the charging authentication module is used for identifying a data line connected with the lightning charging interface; the charging authentication module is electrically connected with the charging management module and used for detecting the charging state.
As shown in fig. 2, the external adapter connects the 5V voltage to the pin 5 of the lighting charging interface through the data line, and the pin 1 is grounded to provide power for the device to charge; and a pin 6 and a pin 7 of the lightning charging interface are respectively and electrically connected with the SWD programming interface of the main control chip.
As shown in fig. 3, a pin 6 of the control chip U1 of the charging authentication module is connected to a pin 8 of the lightning charging interface; after the data line is inserted into the lightning charging interface, the authentication chip on the data line initiates an authentication application to the control chip U1, the control chip U1 feeds back authentication information to the authentication chip of the data line after receiving the information, and the authentication is performed by outputting 5V power to the device through the pin 5 of the lightning charging interface.
The charging management module includes an indication circuit, as shown in fig. 4 and 5, the indication circuit adopts a hardware logic device not and an or gate; the indicating circuit comprises a charging chip U14 for outputting two charging states of full charge and charging; when charging is started, pin 1 of the charging chip U14 is at low level, and pin 5 remains at high level; pin 1 of the charging chip U14 is connected to pin 2 of the not-gate chip U13, and outputs a high level at an output pin 4 of the not-gate chip U13, the high level of the not-gate chip U13 is fed back to a main processor through R93 to realize charging detection, and is electrically connected to an input pin 2 of the or-gate chip U30, and meanwhile, the output pin 4 of the or-gate chip U30 is at a high level, or a 4 th pin of the gate chip U30 is electrically connected to a red LED, so that a red light is normally on in a charging state; when the LED is fully charged, the output pin of the NOT gate chip U31 presents high level, and the green light is normally on; the 1 st pin of the input pins of the or gates of the chips U30 and U31 is electrically connected to the GPIO pin of the main processor, so that when the device is turned on, the processor inputs a high/low level to light the red light and the green light.
In the starting state, if the Bluetooth is not paired, the green indicator light flickers, otherwise, the green indicator light is normally on; when the electric quantity is lower than a set value, the red light is normally on; during data transmission, the red light and the green light synchronously flash to present a yellow indicator light flash.
Example 2:
in this embodiment, optimization is performed on the basis of embodiment 1, and as shown in fig. 1, the power management module further includes a power switch, a DCDC power conversion module, a power on/off detection control module, and a processor unit, where the power switch is connected to the lithium battery, and the power switch is connected to the processor unit through the power on/off detection control module to detect a power on/off state in real time; the DCDC power supply conversion module is respectively connected with the power switch and the processor unit and converts the voltage at the power switch into 3.3V. The model of the DCDC power supply conversion module is RT9013-33GB, and the model of the processor unit is BLENRG-2.
As shown in fig. 6, VBAT in the switching machine detection control module circuit is electrically connected to the lithium battery, and VBAT and VCC _4V2 are electrically connected through a switching tube Q1, a pin 1 of the switching tube Q1 is a switching control pin and is electrically connected to a pin 2 of the cascode diode, the switching machine KEY is electrically connected to a pin 3 of the cascode diode, and the pin 1 of the cascode diode is electrically connected to a main processor GPIO PWR _ KEY _ DETECT as a KEY whether to press a detection pin or not; the PWR _ ON _ OFF pin is electrically connected to the master GPIO as a switch control pin.
When the KEY SW9 is pressed, the SW _ KEY _ DETECT pin becomes low level, the control pin 1 of the switch tube Q1 also becomes low level, the switch tube Q1 is conducted at the moment, the processor unit starts to work and sets PWR _ ON _ OFF to high level, and the triode Q8 is conducted; when the KEY SW9 is released, the pin PWR _ KEY _ DETECT is changed to a high level, the control pin 1 of the switch tube Q1 is kept to be always in a low level, so that the power-ON state is kept, when the power-OFF state is required, after the KEY SW9 is pressed again, the pin PWR _ KEY _ DETECT is changed from the high level to the low level again, the processor unit DETECTs the change of the high level and the low level of the pin in real time, when the pin is detected to be changed from the high level to the low level, the processor unit considers that the power-OFF operation is triggered, so that the pin PWR _ ON _ OFF is set to be in the low level, the pin 1 of the switch tube Q1 is restored to the high level, the switch tube Q1 is disconnected, and VCC _4V2 is changed to 0V.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
Example 3:
as shown in fig. 1, the power management module includes a charging management module, a charging authentication module, a lightning charging interface, a power switch, a DCDC power conversion module, a power on/off detection control module, and a processor unit. The lightning interface is electrically connected with the charging authentication module through the charging interface and the authentication bus, so that the authentication function of the accessed apple data line is realized. The charging authentication management module is electrically connected with the charging module, and functions of voltage conversion, charging state detection and the like are realized. The charging management module is connected with the lithium battery. The power switch is electrically connected with the lithium battery, and meanwhile, the power switch is connected to the processing unit through the on-off detection module to detect the on-off state in real time. The DCDC power conversion module takes power from the power switch and converts the voltage into 3.3V for other modules to use.
As shown in fig. 2, the lightning interface circuit realizes the following functions:
1. and (4) a charging function. As shown in fig. 2, the external adapter connects 5V voltage to 1 (ground) and 5 (5V) pins of the interface through the apple data line, and can provide power supply for charging the device;
2. and (6) charging authentication. Pin 8 in fig. 2 is electrically connected to pin 6 of U1 in fig. 4, when a data line is plugged into the interface shown in fig. 2, the authentication chip on the data line initiates an authentication application to the device, after receiving the information, U1 in fig. 3 feeds back authentication information to the authentication chip on the data line, and after the authentication passes, pin 5 on the interface in fig. 2 outputs a 5V power supply to charge the device, otherwise, the device cannot be charged.
3. The function of programming the lightning interface is realized. Pins 6 and 7 in fig. 2 are SWD program programming ports. The 6 th pin and the 7 th pin are directly electrically connected with the SWD program programming interface of the main control chip, the upgrading of program firmware can be realized under the condition that the shell of the whole device is not disassembled, the shell of the device adopts a screw-free design, the upper cover and the lower cover adopt a disposable adhesive process, the disassembly operation cannot be carried out after the production of equipment, and once the equipment is halted or the program is required to be programmed abnormally, the equipment shell is only damaged. This interface design is fine has solved this problem, has realized the program upgrade function of lightning interface under the condition of no longer tearing open the shell, directly uses standard apple data line can accomplish the program upgrade.
The circuit shown in fig. 4 implements various indication functions for turning on and off the charging indicator lamp. The circuit adopts a hardware logic device NOT gate and an OR gate, so that the charging indicating function of the same state indicating lamp under the startup and shutdown state can be realized, and the indicating function of whether the Bluetooth is connected or not and the Bluetooth data transmission under the startup state can also be realized. The method comprises the following specific steps:
the charging IC U14 in this circuit can directly output 2 charging states: full charge and charging. The main controller detects the two states in real time (detection when the equipment is started and no detection when the equipment is not started), and the equipment needs to indicate the charging function in the on-off state by using the two states (the red light is normally on during charging, and the green light is normally on after the equipment is fully charged). Simultaneously when equipment on state, if the bluetooth does not pair, green charge indicator twinkles, if the equipment bluetooth has already paired, green indicator becomes green and often brightens. When the electric quantity is lower than 20%, the red light of the charging indication is multiplexed into the electric quantity indication to become red and normally on. When the equipment has data transmission, the traffic lights synchronously flash to show that the yellow indicator light flashes. The specific principle is as follows:
1. when an electric charging point power line is plugged into the device, the device starts to charge, pin 1 of U14 is changed into low level, pin 5 is kept at high level, pin 1 of U14 is electrically connected to pin 2 of a NOT gate U13 chip, high level is output at output pin 4 of U13, high level output by U13 is fed back to a main processor through R93 to realize charging detection on one hand, and is electrically connected to input pin 2 of OR gate U30 on the other hand, and simultaneously, high level is presented at output pin 4 of U30, pin 4 of U30 is electrically connected with a red LED in FIG. 5, so that the red indicator light for electric quantity realizes the function of normally lighting the red light for charging state under the condition of on and off.
Similarly, when the battery is fully charged, the output pin of U31 is at a high level, which realizes that the green light of fig. 5 is always on.
The 1 st pin of the input pins of the or gates of the U30 and the U31 is electrically connected to the GPIO pin of the main processor, so that when the power-on state is realized, the processor inputs high and low levels to light the functions of the red light and the green light in fig. 5, and the state change of the indicator light can be adjusted by the main processor at will.
As shown in fig. 6, VBAT is electrically connected to the lithium battery, VBAT and VCC _4V2 are electrically connected through a switch tube Q1, pin 1 of the Q1 switch tube is a switch control pin, pin 1 of Q1 is electrically connected to pin 2 of the cascode diode, the power ON/OFF KEY is electrically connected to pin 3 of the common cathode, pin 1 of the common cathode is electrically connected to the main processor GPIO PWR _ KEY _ DETECT as a KEY press detection pin, and the PWR _ ON _ OFF pin is electrically connected to the main processor GPIO as a switch control pin. When the KEY SW9 is pressed, the pin SW _ KEY _ DETECT is changed to low level, the pin 1 of the control pin of the switch tube Q1 is also changed to low level, at the moment, the switch tube is conducted, the processor starts to work and sets PWR _ ON _ OFF to high level, the triode Q8 is conducted, and after the KEY is released, the pin PWR _ KEY _ DETECT is changed to high level, so that the pin PWR _ KEY _ DETECT can be kept to be always at low level, and the power-ON state can be kept. When the power-OFF is needed, after the KEY is pressed again, the PWR _ KEY _ DETECT is changed from the high level to the low level again, the main processor DETECTs the change of the high level and the low level of the pin in real time, and after the pin is detected to be changed from the high level to the low level, the processor considers that the power-OFF operation is triggered, so that the PWR _ ON _ OFF is set to the low level, the pin 1 of the switching tube is restored to the high level, the switching tube is disconnected, and the VCC _4V2 is changed to 0V, thereby realizing the power-OFF function.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (8)
1. A power supply system for a storage device is characterized by comprising a power supply management module and a lithium battery, wherein the power supply management module comprises a charging management module, a charging authentication module and a lightning charging interface, and the lithium battery is connected with the charging management module; the lightning charging interface is electrically connected with the charging authentication module through the charging interface and the authentication bus, and the charging authentication module is used for identifying a data line connected with the lightning charging interface; the charging authentication module is electrically connected with the charging management module and used for detecting the charging state.
2. The power supply system of claim 1, wherein the external adapter connects 5V voltage to pin 5 of the lighting charging interface through the data line, and pin 1 is grounded to provide power supply for the device; and a pin 6 and a pin 7 of the lightning charging interface are respectively and electrically connected with the SWD programming interface of the main control chip.
3. The power supply system for storage device according to claim 1 or 2, wherein pin 6 of the control chip U1 of the charging authentication module is connected to pin 8 of the lightning charging interface; after the data line is inserted into the lightning charging interface, the authentication chip on the data line initiates an authentication application to the control chip U1, the control chip U1 feeds back authentication information to the authentication chip of the data line after receiving the information, and the authentication is performed by outputting 5V power to the device through the pin 5 of the lightning charging interface.
4. The power supply system for the storage device according to claim 3, wherein the charging management module comprises an indication circuit, the indication circuit adopts a hardware logic device NOT gate and an OR gate; the indicating circuit comprises a charging chip U14 for outputting two charging states of full charge and charging; when charging is started, pin 1 of the charging chip U14 is at low level, and pin 5 remains at high level; pin 1 of the charging chip U14 is connected to pin 2 of the not-gate chip U13, and outputs a high level at an output pin 4 of the not-gate chip U13, the high level of the not-gate chip U13 is fed back to a main processor through R93 to realize charging detection, and is electrically connected to an input pin 2 of the or-gate chip U30, and meanwhile, the output pin 4 of the or-gate chip U30 is at a high level, or a 4 th pin of the gate chip U30 is electrically connected to a red LED, so that a red light is normally on in a charging state; when the LED is fully charged, the output pin of the NOT gate chip U31 presents high level, and the green light is normally on; the 1 st pin of the input pins of the or gates of the chips U30 and U31 is electrically connected to the GPIO pin of the main processor, so that when the device is turned on, the processor inputs a high/low level to light the red light and the green light.
5. The power supply system for storage devices according to claim 4, wherein in the power-on state, if the bluetooth is not paired, the green indicator light flashes, otherwise, the green indicator light is normally on; when the electric quantity is lower than a set value, the red light is normally on; during data transmission, the red light and the green light synchronously flash to present a yellow indicator light flash.
6. The power supply system for the storage device according to claim 1, wherein the power management module further comprises a power switch, a DCDC power conversion module, a power on/off detection control module, and a processor unit, wherein the power switch is connected to the lithium battery, and the power switch is connected to the processor unit through the power on/off detection control module to detect a power on/off state in real time; the DCDC power supply conversion module is respectively connected with the power switch and the processor unit and converts the voltage at the power switch into 3.3V.
7. The power supply system for the storage device according to claim 6, wherein VBAT in the switch detection control module circuit is electrically connected to the lithium battery, and VBAT and VCC _4V2 are electrically connected through a switch tube Q1, pin 1 of the switch tube Q1 is a switch control pin and is electrically connected to pin 2 of the cascode diode, the switch KEY is electrically connected to pin 3 of the cascode diode, pin 1 of the cascode diode is electrically connected to the main processor GPIO PWR _ KEY _ DETECT as a KEY pressing detection pin; the PWR _ ON _ OFF pin is electrically connected to the master GPIO as a switch control pin.
8. The power supply system of claim 7, wherein when the switch SW9 is pressed, the SW _ KEY _ DETECT pin goes low, the control pin 1 of the switch Q1 also goes low, the switch Q1 is turned ON, the processor unit starts to operate and sets PWR _ ON _ OFF high, and the transistor Q8 is turned ON; when the KEY SW9 is released, the pin PWR _ KEY _ DETECT is changed to a high level, the control pin 1 of the switch tube Q1 is kept to be always in a low level, so that the power-ON state is kept, when the power-OFF state is required, after the KEY SW9 is pressed again, the pin PWR _ KEY _ DETECT is changed from the high level to the low level again, the processor unit DETECTs the change of the high level and the low level of the pin in real time, when the pin is detected to be changed from the high level to the low level, the processor unit considers that the power-OFF operation is triggered, so that the pin PWR _ ON _ OFF is set to be in the low level, the pin 1 of the switch tube Q1 is restored to the high level, the switch tube Q1 is disconnected, and VCC _4V2 is changed to 0V.
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| CN202020309013.8U CN211266551U (en) | 2020-03-13 | 2020-03-13 | Power supply system for storage device |
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| CN202020309013.8U CN211266551U (en) | 2020-03-13 | 2020-03-13 | Power supply system for storage device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202023101569U1 (en) | 2023-03-28 | 2023-04-27 | Yousef Ahamd Kareri | Intelligent system for lithium battery power management through heat dissipation model and controlling battery internal leakage |
| CN116937753A (en) * | 2023-09-15 | 2023-10-24 | 江苏舒茨测控设备股份有限公司 | Lithium battery charging indicator lamp double control circuit of electronic equipment |
-
2020
- 2020-03-13 CN CN202020309013.8U patent/CN211266551U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202023101569U1 (en) | 2023-03-28 | 2023-04-27 | Yousef Ahamd Kareri | Intelligent system for lithium battery power management through heat dissipation model and controlling battery internal leakage |
| CN116937753A (en) * | 2023-09-15 | 2023-10-24 | 江苏舒茨测控设备股份有限公司 | Lithium battery charging indicator lamp double control circuit of electronic equipment |
| CN116937753B (en) * | 2023-09-15 | 2023-12-05 | 江苏舒茨测控设备股份有限公司 | Lithium battery charging indicator lamp double control circuit of electronic equipment |
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