CN208723617U - A kind of storage battery deposit intelligent charge cabinet energency-unlocking control circuit and the cabinet equipment that charges - Google Patents
A kind of storage battery deposit intelligent charge cabinet energency-unlocking control circuit and the cabinet equipment that charges Download PDFInfo
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- CN208723617U CN208723617U CN201821241595.XU CN201821241595U CN208723617U CN 208723617 U CN208723617 U CN 208723617U CN 201821241595 U CN201821241595 U CN 201821241595U CN 208723617 U CN208723617 U CN 208723617U
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Abstract
A kind of storage battery deposit intelligent charge cabinet energency-unlocking control circuit and the cabinet equipment that charges, it includes host control panel, voltage transformation module, detection of power loss module, battery back-up module, second bluetooth module, smart lock control module and one-chip computer module, by adding detection of power loss module detection power-down conditions and falling electric control signal to one-chip computer module output, according to falling, electric control signal controls battery back-up module to one-chip computer module and the second bluetooth module starts, battery back-up module can substitute city and supply electricity to the charging cabinet power failure unlocking control circuit and smart lock power supply, charge user need to only open the operation by the way of smart lock when with charging normal, smart lock can be quickly opened in alternating current power down, take out rechargeable battery, without opening the hatch door in charging cabin by operation and maintenance personnel, it also avoids opening charging cabin using mechanical device Hatch door, while saved have a power failure when charge user take out rechargeable battery time, promote the satisfaction of user.
Description
Technical field
The utility model belongs to electronic product charging technique field more particularly to a kind of storage battery deposit intelligent charge cabinet is urgent
Unlocking control circuit and charging cabinet equipment.
Background technique
Currently, charging cabinet although can solve electric-bicycle storage-battery storage and charging the problem of, done in power department
Under power equipment maintenance or other abnormal conditions, power supply stopped suddenly, storage battery deposits intelligent charge cabinet can not normal work
Make, so that the battery for being originally placed on charging cabinet needs operation and maintenance personnel that could take out using the hatch door that key opens charging cabin,
Cause charge user to need to spend the time much linked up and waited with operation and maintenance personnel, brings very big inconvenience to user.
Therefore, the deposit intelligent charge cabinet of storage battery present in traditional technical solution user when having a power failure can not unlock in time
The problem of taking out rechargeable battery.
Utility model content
The utility model provides a kind of storage battery deposit intelligent charge cabinet energency-unlocking control circuit, it is intended to solve traditional skill
The user when having a power failure of cabinet present in art scheme can not unlock the problem of taking out rechargeable battery in time.
The utility model is realized in this way a kind of storage battery deposits intelligent charge cabinet energency-unlocking control circuit, comprising:
It is electrically connected with city, for the host control panel of power supply, the host control panel includes the first communication module；
It is connect with the host control panel, the voltage transformation module for voltage transformation；
Connect with the voltage transformation module, for detect power down and export fall electric control signal detection of power loss module；
It is connect with the voltage transformation module, the battery back-up module for powering when mains failure；
It is connect with the battery back-up module, the second communication module of data is transmitted when for mains failure；
It is electrically connected with each smart lock being set on charging cabin, for controlling the smart lock control module unlocked；And
Switch mould with the detection of power loss module, the battery back-up module, the smart lock control module, the voltage
Block and second communication module connection, for falling the electric control signal control battery back-up module and described according to
The starting of second communication module controls the one-chip computer module that smart lock is unlocked according to the lock signal.
The storage battery deposits intelligent charge cabinet energency-unlocking control circuit in one of the embodiments, further include: with
The voltage transformation module is connected with the one-chip computer module, is fallen electric control signal for basis and is switched first communication module
With the communication switching module of second communication module work.
The bluetooth switching module includes: to connect with the bluetooth module in one of the embodiments, at filtering
The filter unit of reason；It is connect with the one-chip computer module and the voltage transformation module, for controlling the second bluetooth mould
The switch unit of block starting.
The switch unit includes: first resistor, second resistance, 3rd resistor, first opens in one of the embodiments,
Close pipe and second switch；The first end of the first resistor and the enabled input terminal of one-chip computer module connect, and described first
The control terminal of the second end of resistance, the first end of second resistance and the first switch tube connects altogether, and the of the second resistance
The cold end of two ends and the first switch tube is connected to ground altogether, the first end of the 3rd resistor, the first switch tube
The control terminal of hot end and the second switch connects altogether, the second end of the 3rd resistor and the second switch
Cold end connects the input terminal as the switch unit altogether and connect with the voltage transformation module, the second switch
Output end of the cold end as the switch unit.
The filter unit includes: first capacitor and the first inductance in one of the embodiments,；First inductance
Input terminal of the first end as the filter unit, the second end of first inductance and the first end of the first capacitor connect altogether
As the output end of the filter unit, the second end of the first capacitor is grounded.
The detection of power loss module includes: the 4th resistance, the 5th resistance, the 6th resistance, in one of the embodiments,
Two capacitors and the first Transient Suppression Diode；The first end of 4th resistance is the detection of power loss of the detection of power loss module
It holds and is connect with the voltage transformation module, second end, the first end of the 5th resistance, described second of the 4th resistance
The first end of the first end of capacitor, the first end of the Transient Suppression Diode and the 6th resistance connects altogether, and the described 5th
The second end of the second end of resistance, the second end of second capacitor and the Transient Suppression Diode is grounded, and described
The second end of six resistance is connected to the power down control signal input of the one-chip computer module.
Second bluetooth module includes Bluetooth chip and the 7th resistance, the bluetooth core in one of the embodiments,
The first end of the power end of piece and the 7th resistance is connected to the output end of the filter unit altogether, and the second of the 7th resistance
The data sending terminal of end and the Bluetooth chip is connected to the data receiver of the one-chip computer module, the number of the Bluetooth chip altogether
It is connect according to receiving end with the data sending terminal of the one-chip computer module, the reset terminal of the Bluetooth chip and the one-chip computer module
Reseting controling end connection, the enabled input terminal of the Bluetooth chip connect with the sleep control terminal of the one-chip computer module.
The voltage transformation module includes: to connect with the host control panel in one of the embodiments, is used for city
Electrotransformation is the AC-DC voltage transformation module of DC voltage and connect with the AC-DC voltage transformation module, is used for DC voltage
The DC-DC voltage transformation module of transformation.
The storage battery deposits intelligent charge cabinet energency-unlocking control circuit in one of the embodiments, further include: with
Hygrosensor connection, for detecting the temperature detecting module of charging cabinet temperature and output temperature control signal.
In addition, additionally providing a kind of storage battery deposit intelligent charge cabinet equipment, intelligent charge cabinet is deposited including above-mentioned storage battery
Energency-unlocking control circuit.
Above-mentioned storage battery deposits intelligent charge cabinet energency-unlocking control circuit, detects power down by adding detection of power loss module
Situation simultaneously falls electric control signal to one-chip computer module output, and one-chip computer module controls battery back-up module according to electric control signal is fallen
Start with the second bluetooth module, battery back-up module can substitute city and supply electricity to the charging cabinet power failure unlocking control circuit and smart lock
Power supply, charge user need to only open the operation by the way of smart lock when with charging normal, can be quick in alternating current power down
Smart lock is opened, rechargeable battery is taken out, without opening the hatch door in charging cabin by operation and maintenance personnel, is also avoided using machinery
Device opens the hatch door in charging cabin, while having saved the time that charge user when having a power failure takes out rechargeable battery, promotes expiring for user
Meaning degree.
Detailed description of the invention
Fig. 1 is the module that the storage battery that an embodiment of the present invention provides deposits intelligent charge cabinet energency-unlocking control circuit
Schematic diagram；
Fig. 2 is the mould that the storage battery that another embodiment of the utility model provides deposits intelligent charge cabinet energency-unlocking control circuit
Block schematic diagram；
Fig. 3 is the circuit diagram of an embodiment of the present invention the second bluetooth module provided and bluetooth switching module；
Fig. 4 is the circuit diagram for the detection of power loss module that an embodiment of the present invention provides；
Fig. 5 is the circuit diagram of one-chip computer module provided by the embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 1 shows the storage battery deposit intelligent charge cabinet energency-unlocking control circuit of the utility model preferred embodiment offer
Module diagram, for ease of description, only the parts related to this embodiment are shown, and details are as follows:
With reference to Fig. 1, a kind of storage battery deposit intelligent charge cabinet energency-unlocking control circuit, comprising: host control panel 70, voltage
Conversion module 50, detection of power loss module 20, battery back-up module 40, the second communication module 30, smart lock control module 60 and
One-chip computer module 10.
Wherein, host control panel 70 is electrically connected with city, for powering；Host control panel 70 includes the first communication module；Electricity
Pressure conversion module 50 is connect with host control panel 70, is used for voltage transformation；Detection of power loss module 20 and voltage transformation module 50 connect
It connects, for detecting power down and exporting electric control signal；Battery back-up module 40 is connect with voltage transformation module 50, is used for alternating current
It powers when power failure, battery back-up module 40 can be realized using lithium battery, and pass through voltage transformation mould in alternating current normal power supply
Block 50 charges to lithium battery；Second communication module 30 is connect with battery back-up module 40, for transmitting data when mains failure；Intelligence
Energy lock control module 60 is electrically connected with each smart lock being set on charging cabin, for controlling unlocking；One-chip computer module 10 with fall
Electro-detection module 20, battery back-up module 40, smart lock control module 60, voltage transformation module 50 and the second communication module 30
Connection, for being controlled according to lock signal according to electric control signal control battery back-up module 40 and the starting of the second communication module is fallen
Smart lock is unlocked.By adding the detection power-down conditions of detection of power loss module 20 and falling to the output of one-chip computer module 10 in the present embodiment
Electric control signal, according to falling, electric control signal controls battery back-up module 40 to one-chip computer module 10 and the second communication module 30 opens
Dynamic, battery back-up module 40 can substitute city and supply electricity to the charging cabinet power failure unlocking control circuit and smart lock power supply, charge user
The operation by the way of smart lock need to be only opened when with charging normal, and can quickly be opened smart lock in alternating current power down, be taken
Rechargeable battery out；Without opening the hatch door in charging cabin by operation and maintenance personnel, also avoid opening charging using mechanical device
The hatch door in cabin, while the time that charge user when having a power failure takes out rechargeable battery has been saved, promote the satisfaction of user.In addition, also
The hatch door for prying open charging cabin using other modes can be prevented, it is stolen to avoid rechargeable battery.
Fig. 2 is referred in one of the embodiments, and storage battery deposit intelligent charge cabinet energency-unlocking control circuit further includes
Switching module 80 is communicated, communication switching module 80 is connect with voltage transformation module 50 and one-chip computer module 10, for according to power down
Switching signal switches the first communication module and the work of the second communication module 30.
As above-mentioned, in mains failure, the output end voltage that detection of power loss module 20 detects voltage transformation module 50 is 0V,
Fall electric control signal (or low level signal), the power down control based on the received of one-chip computer module 10 to the output of one-chip computer module 10 simultaneously
Signal processed controls the second communication module 30 and battery back-up module 40 starts, and battery back-up module 40 is to one-chip computer module 10, the
Two communication modules 30, smart lock control module 60 and smart lock power supply, the second communication module 30 replace in host control panel 70
Including the first communication module interact data, as long as charge user with when alternating current normal power supply, scanning charging two dimension
Code can connect charging cabinet, and the lock signal that one-chip computer module 10 is fed back according to smart lock control module 60 is to smart lock control module
60 output unlocking control signals make to control smart lock unlocking.
In alternating current normal power supply, voltage transformation module 50 gives one-chip computer module 10, the second communication module 30, intelligent lock control
Molding block 60 and smart lock power supply, the output end voltage that detection of power loss module 20 detects voltage transformation module 50 is 15V, simultaneously
High level signal is exported to one-chip computer module 10, one-chip computer module 10 does not control the second communication module 30 and reserve battery mould at this time
Block 40 starts, i.e., the second communication module 30 and battery back-up module 40 do not work, and interacts number using the first communication module
According to, the hatch door that charge user wants to open charging cabin takes out rechargeable battery, as long as scanning charging two dimensional code can connect charging cabinet,
The lock signal that one-chip computer module 10 is fed back according to smart lock control module 60 exports control letter of unlocking to smart lock control module 60
Number make to control smart lock and unlock.
Fig. 3 is referred in one of the embodiments, and bluetooth switching module 80 includes: filter unit 802 and switch unit
801.Filter unit 802 is connect with bluetooth module, for being filtered；Switch unit 801 and one-chip computer module 10 and voltage become
It changes the mold block 50 to connect, for controlling the starting of the second communication module 30.
Fig. 3 is referred in one of the embodiments, and switch unit 801 includes: first resistor R1, second resistance R2, third
Resistance R3, first switch tube Q1 and second switch Q2；Enabling for the first end of first resistor R1 and one-chip computer module 10 is defeated
Entering end connection, the control terminal of the second end of first resistor R1, the first end of second resistance R2 and first switch tube Q1 connects altogether, the
The second end of two resistance R2 and the cold end of first switch tube Q1 are connected to ground, first end, the first switch of 3rd resistor R3 altogether
The hot end of pipe Q1 and the control terminal of second switch Q2 connect altogether, the second end of 3rd resistor R3 and second switch Q2's
Cold end connects the input terminal as switch unit 801 altogether and connect with voltage transformation module 50, the low electricity of second switch Q2
Output end of the position end as switch unit 801.In a particular embodiment, first switch tube Q1 is NPN type triode, this first is opened
Control terminal, hot end and the cold end for closing pipe Q1 are respectively the base stage of NPN type triode, collector with emitter.The
Two switching tube Q2 are NMOS tube, and control terminal, hot end and the cold end of first switch tube Q1 is respectively PMOS tube
Grid, drain electrode and source electrode.In other examples, first switch tube Q1 can also be PNP type triode, second switch Q2
It can also be PMOS tube.
Fig. 3 is referred in one of the embodiments, and filter unit 802 includes: first capacitor C1 and the first inductance L1；The
The first of input terminal of the first end of one inductance L1 as filter unit 802, the second end of the first inductance L1 and first capacitor C1
End connects the output end as filter unit 802, the second end ground connection of first capacitor C1 altogether.In the particular embodiment, the first electricity
Holding C1 can have one or more capacitors to constitute in series and parallel.
In one of the embodiments, refer to Fig. 4, detection of power loss module 20 include: the 4th resistance R4, the 5th resistance R5,
6th resistance R6, the second capacitor C2 and the first Transient Suppression Diode TVS1；The first end of 4th resistance R4 is detection of power loss
The detection of power loss end of module 20 is simultaneously connect with voltage transformation module 50, and the first of the second end of the 4th resistance R4, the 5th resistance R5
The first end at end, the first end of the second capacitor C2, the first end of Transient Suppression Diode and the 6th resistance R6 connects altogether, the 5th electricity
Second end, the second end of the second capacitor C2 and the second end of Transient Suppression Diode of resistance R5 is grounded, the 6th resistance R6's
Second end is connected to the power down control signal input of one-chip computer module 10.
Fig. 3 is referred in one of the embodiments, the second communication module 30 includes Bluetooth chip U1 and the 7th resistance R7,
The first end of the power end VCC and the 7th resistance R7 of Bluetooth chip U1 are connected to the output end of filter unit 802, the 7th resistance R7 altogether
Second end and the data sending terminal RX of Bluetooth chip U1 be connected to the data receiver BT_UART_TX of one-chip computer module 10 altogether, it is blue
The data receiver TX of tooth chip U1 is connect with the data sending terminal BT_UART_RX of one-chip computer module 10, and Bluetooth chip U1's answers
Position end RES is connect with the reseting controling end BT_RST of one-chip computer module 10, the enabled input terminal EN and single-chip microcontroller of Bluetooth chip U1
The sleep control terminal BT_SLP connection of module 10.
Voltage transformation module 50 includes: that AC-DC voltage transformation module and DC-DC voltage become in one of the embodiments,
Change unit.Wherein, AC-DC voltage transformation module is connect with host control panel, for converting alternating current to the AC-DC of DC voltage
Voltage transformation module；DC-DC voltage transformation module is connect with AC-DC voltage transformation module, is used for DC voltage conversion.In this reality
Apply in example, AC-DC voltage transformation module output DC voltage value be 15V, DC-DC voltage transformation module can export 5V and
The DC voltage of 3.3V.
Fig. 5 is referred in one of the embodiments, and one-chip computer module 10 includes single-chip microcontroller U2, can connect and control and is multiple
Smart lock control module 60 and multiple temperature detecting modules.In the particular embodiment, model can be used in single-chip microcontroller U2
The chip microcontroller of GD32F103RET.
Fig. 2 is referred in one of the embodiments, which deposits intelligent charge cabinet energency-unlocking control circuit, also wrap
Include: temperature detecting module 90, temperature detecting module 90 are connect with hygrosensor, for detecting charging cabinet temperature and output temperature
Control signal.
In addition, also providing a kind of storage battery deposit intelligent charge cabinet equipment, it includes above-mentioned which, which deposits intelligent charge cabinet,
Storage battery deposits intelligent charge cabinet energency-unlocking control circuit.
The utility model has the beneficial effects that
(1) single by adding detection of power loss module detection power-down conditions and falling electric control signal to one-chip computer module output
Piece machine module can be replaced according to electric control signal control battery back-up module and the starting of the second bluetooth module, battery back-up module is fallen
The charging cabinet power failure unlocking control circuit and smart lock power supply, opening when charge user only need to be using with charging normal are supplied electricity to for city
The operation of the mode of smart lock can quickly open smart lock in alternating current power down, take out rechargeable battery.
(2) it without the hatch door by operation and maintenance personnel's opening charging cabin, also avoids opening charging using mechanical device
The hatch door in cabin, while the time that charge user when having a power failure takes out rechargeable battery has been saved, promote the satisfaction of user.
(3) hatch door for prying open charging cabin using other modes can be prevented, it is stolen to avoid rechargeable battery.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of storage battery deposits intelligent charge cabinet energency-unlocking control circuit characterized by comprising
It is electrically connected with city, for the host control panel of power supply, the host control panel includes the first communication module；
It is connect with the host control panel, the voltage transformation module for voltage transformation；
Connect with the voltage transformation module, for detect power down and export fall electric control signal detection of power loss module；
It is connect with the voltage transformation module, the battery back-up module for powering when mains failure；
It is connect with the battery back-up module, the second communication module of data is transmitted when for mains failure；
It is electrically connected with each smart lock being set on charging cabin, for controlling the smart lock control module unlocked；And
With the detection of power loss module, the battery back-up module, the smart lock control module, the voltage switching module with
And the second communication module connection, the battery back-up module and described second are controlled for falling electric control signal according to
Communication module starting is also used to be exported according to the lock signal that the smart lock control module is fed back to the smart lock control module
Control signal unlock to control the one-chip computer module of smart lock unlocking.
2. storage battery as described in claim 1 deposits intelligent charge cabinet energency-unlocking control circuit, which is characterized in that further include:
It is connect with the voltage transformation module and the one-chip computer module, for logical according to electric control signal switching described first is fallen
Interrogate the communication switching module of module and second communication module work.
3. storage battery as claimed in claim 2 deposits intelligent charge cabinet energency-unlocking control circuit, which is characterized in that the communication
Switching module includes:
It is connect with second communication module, the filter unit for filtering processing；With
It is connect with the one-chip computer module and the voltage transformation module, for controlling the switch of the second communication module starting
Unit.
4. storage battery as claimed in claim 3 deposits intelligent charge cabinet energency-unlocking control circuit, which is characterized in that the switch
Unit includes: first resistor, second resistance, 3rd resistor, first switch tube and second switch；
The enabled input terminal of the first end of the first resistor and one-chip computer module connects, the second end of the first resistor, the
The control terminal of the first end of two resistance and the first switch tube connects altogether, and the second end of the second resistance is opened with described first
The cold end for closing pipe is connected to ground altogether, the first end of the 3rd resistor, the hot end of the first switch tube and described
The control terminal of second switch connects altogether, and the cold end of the second end of the 3rd resistor and the second switch connects conduct altogether
The input terminal of the switch unit is simultaneously connect with the voltage transformation module, described in the cold end conduct of the second switch
The output end of switch unit.
5. storage battery as claimed in claim 3 deposits intelligent charge cabinet energency-unlocking control circuit, which is characterized in that the filtering
Unit includes: first capacitor and the first inductance；
Input terminal of the first end of first inductance as the filter unit, the second end of first inductance and described
The first end of one capacitor connects the output end as the filter unit, the second end ground connection of the first capacitor altogether.
6. storage battery as described in claim 1 deposits intelligent charge cabinet energency-unlocking control circuit, which is characterized in that the power down
Detection module includes: the 4th resistance, the 5th resistance, the 6th resistance, the second capacitor and the first Transient Suppression Diode；
The first end of 4th resistance is the detection of power loss end of the detection of power loss module and connects with the voltage transformation module
It connects, the second end of the 4th resistance, the first end of the 5th resistance, the first end of second capacitor, transient state suppression
The first end of diode processed and the first end of the 6th resistance connect altogether, the second end of the 5th resistance, second electricity
The second end of appearance and the second end of the Transient Suppression Diode are grounded, and the second end of the 6th resistance is connected to described
The power down control signal input of one-chip computer module.
7. storage battery as claimed in claim 5 deposits intelligent charge cabinet energency-unlocking control circuit, which is characterized in that described second
Bluetooth module includes Bluetooth chip and the 7th resistance, and the first end of the power end of the Bluetooth chip and the 7th resistance connects altogether
To the output end of the filter unit, the second end of the 7th resistance and the data sending terminal of the Bluetooth chip are connected to institute altogether
State the data receiver of one-chip computer module, the data sending terminal of the data receiver of the Bluetooth chip and the one-chip computer module
Connection, the reset terminal of the Bluetooth chip are connect with the reseting controling end of the one-chip computer module, and the Bluetooth chip enables
Input terminal is connect with the sleep control terminal of the one-chip computer module.
8. storage battery as described in claim 1 deposits intelligent charge cabinet energency-unlocking control circuit, which is characterized in that the voltage
Conversion module includes:
It is connect with the host control panel, for converting alternating current to the AC-DC voltage transformation module of DC voltage；With
It is connect with the AC-DC voltage transformation module, the DC-DC voltage transformation module for DC voltage conversion.
9. storage battery as claimed in any one of claims 1 to 8 deposits intelligent charge cabinet energency-unlocking control circuit, feature exists
In, further includes:
It is connect with hygrosensor, for detecting the temperature detecting module of charging cabinet temperature and output temperature control signal.
10. a kind of storage battery deposits intelligent charge cabinet equipment, including the described in any item storage battery deposit intelligence of claim 1 to 9 are filled
Electric cabinet energency-unlocking control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821241595.XU CN208723617U (en) | 2018-08-01 | 2018-08-01 | A kind of storage battery deposit intelligent charge cabinet energency-unlocking control circuit and the cabinet equipment that charges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821241595.XU CN208723617U (en) | 2018-08-01 | 2018-08-01 | A kind of storage battery deposit intelligent charge cabinet energency-unlocking control circuit and the cabinet equipment that charges |
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| Publication Number | Publication Date |
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| CN208723617U true CN208723617U (en) | 2019-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821241595.XU Active CN208723617U (en) | 2018-08-01 | 2018-08-01 | A kind of storage battery deposit intelligent charge cabinet energency-unlocking control circuit and the cabinet equipment that charges |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111080864A (en) * | 2020-02-05 | 2020-04-28 | 深圳市丰巢科技有限公司 | Express cabinet door lock opening method and device and express cabinet |
| CN115004502A (en) * | 2020-02-07 | 2022-09-02 | 本田技研工业株式会社 | Power supply device |
-
2018
- 2018-08-01 CN CN201821241595.XU patent/CN208723617U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111080864A (en) * | 2020-02-05 | 2020-04-28 | 深圳市丰巢科技有限公司 | Express cabinet door lock opening method and device and express cabinet |
| CN115004502A (en) * | 2020-02-07 | 2022-09-02 | 本田技研工业株式会社 | Power supply device |
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