CN206865207U - A kind of berth lock electric power system based on millimicro energy-trap chip - Google Patents
A kind of berth lock electric power system based on millimicro energy-trap chip Download PDFInfo
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- CN206865207U CN206865207U CN201720686948.6U CN201720686948U CN206865207U CN 206865207 U CN206865207 U CN 206865207U CN 201720686948 U CN201720686948 U CN 201720686948U CN 206865207 U CN206865207 U CN 206865207U
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- 239000003990 capacitor Substances 0.000 claims abstract description 49
- 230000001172 regenerating effect Effects 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 description 12
- 238000004146 energy storage Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 230000004083 survival effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000013499 data model Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
Abstract
The utility model relates generally to berth lock power supply field, more specifically to a kind of berth lock electric power system based on millimicro energy-trap chip, the regenerative resource charging berth lock of super capacitor scheme is realized, it can avoid directly charging to battery, so as to extend battery.The output end of the solar energy module of berth lock electric power system based on millimicro energy-trap chip is connected to the input of millimicro level energy-trap chip, super-capacitor module is connected to millimicro level energy-trap chip, the output end of millimicro level energy-trap chip is connected to the input of main control module, the output end of millimicro level energy-trap chip is connected to the input of selecting switch I, the output end of selecting switch I is connected to the input of energy supply control module, selecting switch II is connected to control module, and the output end of battery is connected to the input of selecting switch II.
Description
Technical field
The utility model relates generally to berth lock power supply field, and millimicro collection of energy is based on more specifically to one kind
The berth lock electric power system of chip.
Background technology
Intelligent space lock uses dry cell or storage battery power supply, it is necessary to which user changes battery or battery is filled at present
Electricity, the shortcomings of cost can be increased to consumer and use upper inconvenience.Added using regenerative resource (solar energy, thermoelectric power etc.)
Battery (dry cell) can improve the continuation of the journey working time of battery to the full extent as the berth lock of power supply energy, and the energy is clear
Clean environmental protection, it is durable in use, there is good Consumer's Experience effect.But the berth lock of solar recharging is directly right at present
After battery is charged, then by battery berth lock is powered, it is unstable to be limited to berth lock illumination, to battery
Charging current is unstable and frequently discharge and recharge, can all reduce the service life of battery.
The content of the invention
The utility model supplies mainly solving the technical problems that providing a kind of berth lock based on millimicro energy-trap chip
Electric system, the regenerative resource charging berth lock of super capacitor scheme is realized, can avoid directly charging to battery,
So as to extend battery.In the case that energy is weaker, it can still store, substantially increase intelligent space lock
Survival ability under various circumstances.
A kind of in order to solve the above technical problems, berth lock electric power system based on millimicro energy-trap chip of the utility model
Including millimicro level energy-trap chip, solar energy module, super-capacitor module, selecting switch I, selecting switch II, battery, master
Module, energy supply control module are controlled, the regenerative resource charging berth lock of super capacitor scheme is realized, can avoid directly to storing
Battery is charged, so as to extend battery.In the case that energy is weaker, it can still store, carry significantly
The high survival ability of intelligent space lock under various circumstances.
Wherein, the output end of the solar energy module is connected to the input of millimicro level energy-trap chip；It is described super
Capacitance module is connected to millimicro level energy-trap chip；The output end of the millimicro level energy-trap chip is connected to main control module
Input；The output end of the millimicro level energy-trap chip is connected to the input of selecting switch I；The selecting switch I
Output end be connected to the input of energy supply control module；The output end of the energy supply control module is connected to the defeated of main control module
Enter end；The selecting switch II is connected to main control module；The output end of the battery is connected to the input of selecting switch II.
As further optimization of the present utility model, a kind of berth lock based on millimicro energy-trap chip of the utility model
Millimicro level energy-trap chip described in electric power system uses BQ25505 chips.
As further optimization of the present utility model, a kind of berth lock based on millimicro energy-trap chip of the utility model
Selecting switch II described in electric power system uses AO7400 FETs.
Control effect：A kind of berth lock electric power system based on millimicro energy-trap chip of the utility model, is realized super
The regenerative resource charging berth lock of level capacitive scheme, can avoid directly charging to battery, make so as to extend battery
Use the life-span.It in the case that energy is weaker, can still store, substantially increase intelligent space lock under various circumstances
Survival ability.
Brief description of the drawings
The utility model is described in more detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is a kind of hardware structure diagram of the berth lock electric power system based on millimicro energy-trap chip of the utility model.
Fig. 2 is that a kind of millimicro level energy of berth lock electric power system based on millimicro energy-trap chip of the utility model is received
Collect chip, super-capacitor module, selecting switch I, the circuit diagram of selecting switch II.
Fig. 3 is a kind of energy supply control module of the berth lock electric power system based on millimicro energy-trap chip of the utility model
Circuit diagram.
Fig. 4 is a kind of electricity of the main control module of the berth lock electric power system based on millimicro energy-trap chip of the utility model
Lu Tu.
Fig. 5 is solar energy and the electric power storage of a kind of berth lock electric power system based on millimicro energy-trap chip of the utility model
Pond switch logic figure.
Embodiment
Embodiment one：
Illustrate present embodiment with reference to Fig. 1,2,3,4,5, one kind described in present embodiment is based on millimicro energy-trap chip
Berth lock electric power system include millimicro level energy-trap chip, solar energy module, super-capacitor module, selecting switch I, selection
Switch II, battery, main control module, energy supply control module, the regenerative resource charging berth lock of super capacitor scheme is realized,
It can avoid directly charging to battery, so as to extend battery.In the case that energy is weaker, still
It can store, substantially increase the survival ability of intelligent space lock under various circumstances.
Wherein, the output end of the solar energy module is connected to the input of millimicro level energy-trap chip, solar energy mould
Block uses the solar panel of RBGW-00068-060-002 models, peak power 0.7W, open-circuit voltage 7V, short circuit electricity
It is based on semi-conducting material to flow for 125mA, crest voltage 6V, peak point current 115mA, solar cell, utilizes photoelectricity
After absorbing luminous energy opto-electronic conversion occurs for material, it is produced electric current, solar panel is by photoelectric effect or photochemistry
Effect directly converts optical energy into the device of electric energy, and when shining upon on semiconductor, a portion is reflected away by surface,
Remainder has some to become heat by semiconductor absorber or transmission, absorbed light, and other photons then form together semiconductor
Valence electron collides, and then produces electronics, and --- hole pair, so, luminous energy is just to produce electronics --- turns in the form of hole pair
It is changed into electric energy；Solar panel is arranged in the control box of intelligent space lock, and solar panel converts the solar into electricity
Can, millimicro level energy-trap chip has MPPT maximum power point tracking function, can track solar-electricity under different illumination intensity
The peak power output of pond plate, and solar energy is stored in super capacitor with the efficiency of maximum by switch charger.The sun
VIN_DC pin of the energy module by J51 by millimicro energy input to millimicro level energy-trap chip, load access VSTOR ends,
And the cell voltage threshold value defined by VBAT_OK to be set in operating voltage minimum more than system when load just can be by
Access.Resistance ROV1 and resistance ROV2 is used for setting overvoltage threshold value, and resistance RUV1 and resistance RUV2 are then under-voltage for setting
Threshold value.SOLAR_SEL control signals are used for switching system power supply mode；When the voltage of super capacitor drops to default thresholding
MOS Q61 are turned off during voltage to stop being load supplying, while switch to storage battery power supply.
The super-capacitor module is connected to millimicro level energy-trap chip, and super-capacitor module is in systems only as milli
The memory device of microstage energy, there is high current charge-discharge ability, the load supplying of larger current can be provided for system.It is super
Electric capacity uses the super capacitor of EECF5R5U1055.5V 1.0F models, and super capacitor C67 one end is connected to millimicro level energy
The VBAT pins of chip are collected, other end ground connection, millimicro level energy-trap chip is with the efficiency of maximum when environmental energy abundance
By power storage into super capacitor C67.
The output end of the millimicro level energy-trap chip is connected to the input of main control module, millimicro level collection of energy core
The VBAT_OK signals of piece are input to main control module nRF51822-QFAC P0_01 pins by GPIO, and main control module can be real
When judge the voltage status of super capacitor, while judge whether berth lock power supply mode being switched to battery.VBAT_OK represents super
Level capacitance voltage is higher than set voltage threshold.
The output end of the millimicro level energy-trap chip is connected to the input of selecting switch I, the selecting switch I
Output end is connected to the input of energy supply control module, and millimicro level energy-trap chip uses BQ25505 chips, selecting switch I
Using 2N7002KA-RTK/H FETs, millimicro level energy-trap chip VSTOR ends are connected to Q61 drain electrode, Q61 source electrode
Diode D7 anode is connected to, D7 negative electrode is connected to the VLOAD ends of energy supply control module, when under the voltage of super capacitor
Turn off FET Q61 when dropping to default threshold voltage to stop powering for energy supply control module, that is, it is load supplying to stop, together
When switch to storage battery power supply.Under-voltage (UnderVoltage) for setting millimicro level energy-trap chip is UV, overvoltage
(Overvoltage) it is OV, two voltage thresholds are TH1 and TH2 (TH1 is more than TH2).When in situation obtained by solar energy
Under, it is master control module for power supply by solar energy and super capacitor, now super-capacitor voltage is more than or equal to TH1, and solar energy is first
Super capacitor charges, and when charging voltage reaches TH1, it is master control mould to be switched to solar energy and super capacitor by selecting switch I
Block is powered.When solar energy abundance, continue charge super capacitance voltage to over-pressed OV values, final millimicro level collection of energy core
The output voltage of piece maintains OV values, and energy more than needed is powered for rear end energy supply control module.
The output end of the energy supply control module is connected to the input of main control module, and energy supply control module uses
Linear (LDO) voltage regulator of SGM2203-3.0YK3LG/TR models, energy supply control module are used to be stored in super capacitor
Electricity conversion be 3.3V voltages, by VCC ends give main control module power, ensure its normal work.
The selecting switch II is connected to main control module, and the output end of the battery is connected to the input of selecting switch II
End, battery use battery of the supply voltage for 6V, and selecting switch II uses AO7400 FETs, AO7400 grid
SOLAR-SEL ends are connected to main control module nRF51822-QFAC P0_02 pins, when solar energy is faint, rear end electricity
Source control module can extract the energy to be prestored in super capacitor, cause the voltage of super capacitor to decline, if being less than default threshold
Threshold voltage TH2, main control module can then be switched to the power supply that battery is used as system power supply by selecting switch II, work as super capacitor
When voltage is less than UV, load disconnects with super capacitor.
Embodiment two：
Illustrate present embodiment with reference to Fig. 1,2,3,4,5, the millimicro level energy-trap chip uses BQ25505 chips.
The BQ25505 chips are used exclusively for effective acquisition and management from photovoltaic (solar energy) or thermoelectric generator (TEG) etc.
Microwatt (μ W) caused by a variety of different DC sources to milliwatt (mW) level electric energy.The design of BQ25505 chips start from only need it is micro-
DC-to-DC boost converter/charger that watt electric power can start working.Once starting, boost charge device can be effectively
Exported from the low pressure of such as TEG or single-unit or binodal solar panel in collector and extract energy.Boost charge device can be
Start during VIN as little as 330mV, and once start, collecting energy can be continued in VIN as little as 100mV.BQ25505 cores
Piece performs programmable MPPT maximum power point tracking (MPPT) sampling network to optimize the power transmission into device.VIN_DC is opened
The sampling of loop voltage is set by external resistor, and sampled voltage is preserved by an external capacitor.For example, solar-electricity
Pond operates in the 80% of their open-loop voltage maximum power points (MPP), and resitstance voltage divider can be set to VIN_DC voltages
80%, and this network will control VIN_DC to be run near the reference voltage of sampling.BQ25505 design have flexibility with
Support a variety of energy-storage travelling wave tubes.The energy source of energy collecting device extraction energy is often unfixed, or change over time.It is logical
In the case of often, system will need certain form of energy-storage travelling wave tube, such as a rechargeable battery, super-capacitor or tradition electricity
Container.Energy-storage travelling wave tube will enable specific firm power be used when system needs.Energy-storage travelling wave tube also enables the system to processing and appointed
What can not be directly from the peak point current of input source.It is under-voltage with reference to inner setting in order to prevent that energy-storage travelling wave tube is caused damage
(UV) and user-programmable over-pressed (OV) level monitors minimum and maximum voltage.In order to help the further strict control of user he
Energy consumption budget, when the voltage on energy-storage battery or capacitor have decreased below a critical level set in advance with
When lower, BQ25505 switches the normal mark of battery to send a signal to a microcontroller connected.It should so make to bear
Carry electric current to reduce, enter a under-voltage condition to prevent locking system.OV and battery normality threshold are individually set.Except boost charge
Front end, BQ25505 provide one from main power source multiplexer raster data model for system.In order to which a single supply rail is supplied into system
Load, this gate drivers can realize that two energy-storage travelling wave tubes are independently multiplexed.This multiplexer is based on VBAT_OK threshold values, user
This threshold value can be set by resistor.This allows users to set electricity when system is powered by energy collecting device energy-storage travelling wave tube
It is flat, for example, being supplied by the main non-rechargeable battery (for example, two section AA batteries) of rechargeable battery or super-capacitor or one
When electric.This hybrid system configuration type can extend representative cells power supply class system according to utilisable energy on collector
Run time.If causing no enough energy to carry out runtime due to " interlunation " of extension, main battery is in 8 μ s
Main system power is independently switched to provide uninterrupted operation.
Embodiment three：
Illustrate present embodiment with reference to Fig. 1,2,3,4,5, the selecting switch II uses AO7400 FETs.It is described
AO7400 FETs are FET type, MOSFETN passages, metal oxide；FET functions：Logic level grid, 2.5V drive
It is dynamic；Drain-source voltage (Vdss)：30V；Electric current-continuous drain electrode (Id) (at 25 DEG C)：1.7A(Ta)；When different Id, Vgs
RdsOn (maximum)：85 milliohms, 1.5A, 10V；Vgs (th) (maximum) during different Id：1.4V, 250 μ A；During different Vgs
Gate charge (Qg)：4.82nC 4.5V；Input capacitance (Ciss) during different Vds：390pF, 15V；Power-maximum：
350mW；Operating temperature：- 55 DEG C~150 DEG C (TJ)；Setup Type：Surface mount；Device encapsulates：SC-70-3.
Embodiment four：
Illustrate present embodiment with reference to Fig. 1,2,3,4,5, the main control module carries out logic such as Fig. 5 institutes of power supply switching
Show, wherein, under-voltage (UnderVoltage) for setting millimicro level energy-trap chip is UV, and over-pressed (Overvoltage) is OV,
Two voltage thresholds are TH1 and TH2 (TH1 is more than TH2).It can not be obtained in solar energy, during such as night, main control module is by storing
Battery powered, now super-capacitor voltage be less than or equal to TH2.In the case of obtained by solar energy, by solar energy and super electricity
Hold for master control module for power supply, now super-capacitor voltage is more than or equal to TH1, and solar energy charges for super capacitor first, works as charging
When voltage reaches TH1, it is master control module for power supply to be switched to solar energy and super capacitor.When solar energy abundance, persistently fill
Electricity super capacitor voltage to OV values, the output voltage of final millimicro level energy-trap chip maintains OV values, and energy more than needed is
Backend load is powered.When solar energy is faint, backend load can extract the energy to be prestored in super capacitor, cause super electricity
The voltage of appearance declines, if being less than default threshold voltage TH2, can switch to power supply of the battery as system power supply, when
When super-capacitor voltage is less than UV, load disconnects with super capacitor.
A kind of operation principle of the berth lock electric power system based on millimicro energy-trap chip of the utility model is：This practicality
A kind of new berth lock electric power system based on millimicro energy-trap chip, main control module have two supply paths --- the sun
Energy and battery.Solar panel is arranged in the control box of parking lock system, and millimicro level energy-trap chip has maximum
Power points following function, the peak power output of solar panel can be tracked under different illumination intensity, and pass through switch
Solar energy is stored in super capacitor by charger with the efficiency of maximum.Simultaneously millimicro level energy-trap chip also have it is under-voltage,
The function such as overvoltage and threshold voltage settings, in that context it may be convenient to notify main control module to carry out the switching of solar energy and storage battery power supply.
Main control module carries out the logic of power supply switching as shown in figure 5, being provided with the under-voltage of millimicro level energy-trap chip
(UnderVoltage) it is UV, over-pressed (Overvoltage) is OV, and two voltage thresholds are TH1 and TH2 (TH1 is more than TH2).
It is master control module for power supply by solar energy and super capacitor, now super-capacitor voltage is big in the case of obtained by solar energy
Charge for super capacitor in equal to TH1, solar energy, when charging voltage reaches TH1, be switched to too by selecting switch I first
Positive can be master control module for power supply with super capacitor.When solar energy abundance, continue charge super capacitance voltage to over-pressed OV
Value, the output voltage of final millimicro level energy-trap chip maintain OV values, and energy more than needed is powered for backend load.Work as the sun
When energy energy is faint, rear end energy supply control module can extract the energy to be prestored in super capacitor, under the voltage for causing super capacitor
Drop, if being less than default threshold voltage TH2, main control module can then be switched to battery by selecting switch II and be used as system confession
The power supply of electricity, when super-capacitor voltage is less than UV, energy supply control module disconnects with super capacitor.Two-way selecting switch is completed too
Positive power supply switching that can be between battery, the Enable Pin SOLAR-SEL of selecting switch II is by master control module controls.Main control module
Itself is by solar energy or storage battery power supply, therefore when solar energy and battery can not provide energy, main control module can not
Open selecting switch II.
Although the utility model is disclosed as above with preferred embodiment, it is not limited to the utility model, appoints
What person skilled in the art, is not departing from spirit and scope of the present utility model, can do various changes and modification, therefore
What the scope of protection of the utility model should be defined by claims is defined.
Claims (3)
1. a kind of berth lock electric power system based on millimicro energy-trap chip, it is characterised in that described to be received based on millimicro energy
Collecting the berth lock electric power system of chip includes millimicro level energy-trap chip, solar energy module, super-capacitor module, selecting switch
Ith, selecting switch II, battery, main control module, energy supply control module, the output end of the solar energy module are connected to millimicro level
The input of energy-trap chip；The super-capacitor module is connected to millimicro level energy-trap chip；The millimicro level energy
The output end for collecting chip is connected to the input of main control module；The output end of the millimicro level energy-trap chip is connected to select
Select the input of switch I；The output end of the selecting switch I is connected to the input of energy supply control module；The power supply
The output end of module is connected to the input of main control module；The selecting switch II is connected to main control module；The battery
Output end is connected to the input of selecting switch II.
A kind of 2. berth lock electric power system based on millimicro energy-trap chip according to claim 1, it is characterised in that：
The millimicro level energy-trap chip uses BQ25505 chips.
A kind of 3. berth lock electric power system based on millimicro energy-trap chip according to claim 1, it is characterised in that：
The selecting switch II uses AO7400 FETs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720686948.6U CN206865207U (en) | 2017-06-14 | 2017-06-14 | A kind of berth lock electric power system based on millimicro energy-trap chip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720686948.6U CN206865207U (en) | 2017-06-14 | 2017-06-14 | A kind of berth lock electric power system based on millimicro energy-trap chip |
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| CN206865207U true CN206865207U (en) | 2018-01-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494856A (en) * | 2018-10-23 | 2019-03-19 | 西安理工大学 | The mixing accumulation of energy power supply unit of solar tracking bracket |
-
2017
- 2017-06-14 CN CN201720686948.6U patent/CN206865207U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494856A (en) * | 2018-10-23 | 2019-03-19 | 西安理工大学 | The mixing accumulation of energy power supply unit of solar tracking bracket |
| CN109494856B (en) * | 2018-10-23 | 2021-10-22 | 西安理工大学 | Hybrid energy storage power supply device of sun tracking support |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A parking lock power supply system based on nano energy harvesting chip Effective date of registration: 20220822 Granted publication date: 20180109 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO CRAM IOT TECHNOLOGY Co.,Ltd. Registration number: Y2022370010131 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230531 Granted publication date: 20180109 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO CRAM IOT TECHNOLOGY Co.,Ltd. Registration number: Y2022370010131 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Parking Lock Power Supply System Based on Millimeter Energy Collection Chip Effective date of registration: 20231229 Granted publication date: 20180109 Pledgee: China People's Property Insurance Co.,Ltd. Qingdao Branch Pledgor: QINGDAO CRAM IOT TECHNOLOGY Co.,Ltd. Registration number: Y2023370010140 |