CN207896733U - The Power transfer system of intelligent door lock - Google Patents
The Power transfer system of intelligent door lock Download PDFInfo
- Publication number
- CN207896733U CN207896733U CN201721905663.3U CN201721905663U CN207896733U CN 207896733 U CN207896733 U CN 207896733U CN 201721905663 U CN201721905663 U CN 201721905663U CN 207896733 U CN207896733 U CN 207896733U
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- Prior art keywords
- power
- poles
- stand
- connect
- switch tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The Power transfer system of intelligent door lock provided by the utility model, including main power source, stand-by power supply and voltage detector, when the voltage of main power source decreases below the voltage threshold set in voltage detector or main power source powers off, the output end of voltage detector exports low level, triode ends, the voltage of the poles G of first P-channel power MOSFET switch tube and the CE terminal voltages of load switch close to stand-by power supply, load switch is resulted in this way to enable to export and the cut-off of the first P-channel power MOSFET switch tube, stand-by power supply is powered by load switch to load intelligent door lock.The utility model can automatically select supplier of electricity according to the electricity of main power source and stand-by power supply, when main power source and all normal stand-by power supply electricity, be powered by main power source, and when the low battery of main power source or power-off, then it is powered by stand-by power supply.
Description
Technical field
The utility model is related to intelligent door lock technical fields, more particularly, to the Power transfer system of intelligent door lock.
Background technology
With economic good development, intelligent door lock is increasingly favored by ordinary consumer.Intelligence in the prior art
Energy door lock usually has the two power supply mode：A kind of is to be connect with the mains circuit in family, and by mains-supplied, another kind is by battery
Power supply.
It is usual when installing intelligent door lock since there is no used intelligent door locks for most of family for first method
It needs to be transformed oneself circuit, to connect intelligent door lock, this there is problem cumbersome for installation, on the other hand, main
When middle power-off, intelligent door lock because not having power supply just due to that can not use.
For second method, prior art generally use several batteries parallel connection is powered, with battery capacity
Consumption, voltage is gradually decrease to that intelligent door lock normal operation can not be driven, and user is until intelligent door lock is unable to operate normally
When just have recognized the need to replacement battery, use relatively complicated.
Invention content
The utility model provides a kind of intelligent door lock for overcoming the above problem or solving the above problems at least partly
Power transfer system.
One side according to the present utility model provides a kind of Power transfer system of intelligent door lock, including：
Main power source, the main power source anode and cathode respectively with the poles D and ground of the second P-channel power MOSFET switch tube
Connection, the poles G of the second P-channel power MOSFET switch tube are grounded by second resistance, the second P-channel power MOSFET switch tube
The poles S connect with the poles D of the first P-channel power MOSFET switch tube, the poles S of the first P-channel power MOSFET switch tube and intelligence
Positive pole connection can be locked；
Voltage detector, the first input end of the voltage detector and the second input terminal respectively with the second P-channel power
The poles S and ground of switch mosfet pipe connect, and the output end of the voltage detector and the poles B of triode connect, the triode
The poles C connect with the poles G of the first P-channel power MOSFET switch tube, the poles E of triode ground connection；
Stand-by power supply, the cathode ground connection of the stand-by power supply, the input terminal of the anode and load switch of the stand-by power supply
Connection, the output end of the load switch and the ends CE are connect with the poles C of the intelligent door lock and the triode respectively, described negative
The ends Vss of load switch are grounded；
Wherein, the rated voltage of the main power source is more than the voltage threshold set in the voltage detector.
Preferably, the output end of the voltage detector is also connect with the input terminal of processor, the output of the processor
End is connect with alarm.
Preferably, the Power transfer system further includes：Adaptor power supplies, the cathode ground connection of the adaptor power supplies, institute
The anode for stating adaptor power supplies is opened with the poles D of the first P-channel power MOSFET switch tube and the second P-channel power MOSFET
Close the poles the G connection of pipe；
Wherein, the voltage of the adaptor power supplies is more than the rated voltage of the main power source.
Preferably, the poles S of the first P-channel power MOSFET switch tube pass through concatenated first diode and the first electricity
Resistance is connect with the stand-by power supply.
Preferably, the D that the adaptor power supplies pass through the second diode and the first P-channel power MOSFET switch tube
Pole connects.
Preferably, the anode of second diode is grounded by second resistance, the second resistance and the adapter
Power sources in parallel.
Preferably, the ends CE of the load switch are connect by 3rd resistor with the anode of the stand-by power supply.
Preferably, for the main power source by 4 18650 type battery compositions of section, the stand-by power supply is 1 18650 type batteries of section, institute
The rated voltage for stating main power source and stand-by power supply is 3.7V.
Preferably, the voltage of the adaptor power supplies is 5V, and the voltage threshold of the voltage detector is 3.3V.
The utility model proposes intelligent door lock Power transfer system, when the voltage of main power source decrease below voltage inspection
When surveying the voltage threshold set in device or main power source power-off, the output end of voltage detector exports low level, and triode ends,
The poles G of first P-channel power MOSFET switch tube and the CE terminal voltages of load switch are thus made close to the voltage of stand-by power supply
At the enabled output of load switch, the first P-channel power MOSFET switch tube ends, and stand-by power supply is by load switch to load
Intelligent door lock is powered.The utility model can automatically select supplier of electricity, work as main power source according to the electricity of main power source and stand-by power supply
When all normal with stand-by power supply electricity, powered by main power source, and when the low battery of main power source or power-off, then by stand-by power supply
Power supply.
Description of the drawings
Fig. 1 is the circuit diagram according to the Power transfer system of the intelligent door lock of the utility model embodiment；
Fig. 2 is the circuit diagram according to the Power transfer system of the intelligent door lock of the utility model embodiment；
Fig. 3 is the circuit diagram according to first diode of the utility model embodiment；
Fig. 4 is the circuit diagram according to the Power transfer system of the intelligent door lock of the utility model embodiment.
Specific implementation mode
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
In order to overcome the drawbacks described above of the prior art, the utility model embodiment to provide a kind of power supply switching of intelligent door lock
System, referring to Fig. 1, including：
Main power source, the anode of main power source and the cathode poles D and ground with the second P-channel power MOSFET switch tube VT2 respectively
Connection, the poles G and the second resistance R2 of the second P-channel power MOSFET switch tube are connected to ground, and the second P-channel power MOSFET is opened
The poles S for closing pipe are connect with the poles D of the first P-channel power MOSFET switch tube VT1, the S of the first P-channel power MOSFET switch tube
Pole is connect with intelligent door lock；
The first input end vin of voltage detector U1, voltage detector U1 and the second input terminal GND respectively with main power source
Anode and ground connection, the poles B of the output end vo ut and triode Q1 of voltage detector are connect, the poles C and the first P ditches of triode Q1
The poles G of road power MOSFET switch tube connect, the poles the E ground connection of triode Q1；
Stand-by power supply, the cathode ground connection of stand-by power supply, the anode of stand-by power supply connect with the input terminal of load switch U2, bear
The ends output end vo ut and CE of load switch U2 are connect with the poles C of intelligent door lock and triode Q1 respectively, the ends Vss of load switch U2
Ground connection；
Wherein, the rated voltage of main power source is more than the voltage threshold set in voltage detector U1.
It should be noted that when the voltage of main power source and stand-by power supply is normal, the voltage of main power source is more than electricity at this time
The voltage threshold set in pressure detector U1, the at this time poles G of the first P-channel power MOSFET switch tube VT1 and load switch
The voltage at the ends CE close to ground level, result in the first P-channel power MOSFET switch tube VT1 conducting in this way and load switch U2 not
Output.For the conducting resistance very little of the first P-channel power MOSFET switch tube VT1, the first P-channel power MOSFET switch tube
After VT1 conductings, main power source is powered by the first P-channel power MOSFET switch tube VT1 to load intelligent door lock.
And obtain main power source power-off when the electricity of main power source decreases below the voltage threshold set in voltage detector U1
When, the output end vo ut of voltage detector U1 exports low level, triode Q1 cut-offs, the first P-channel power MOSFET switch tube
The poles G of VT1 and the CE terminal voltages of load switch U2 result in the enabled outputs of load switch U2 in this way close to the voltage of stand-by power supply
And the first P-channel power MOSFET switch tube VT1 cut-offs, stand-by power supply are powered by load switch U2 to load intelligent door lock.
That is, the Power transfer system of the utility model embodiment, it can be according to the electricity of main power source and stand-by power supply
Amount, automatically selects supplier of electricity, when main power source and all normal stand-by power supply electricity, is powered by main power source, and when the electricity of main power source
When pressing through low or power-off, then powered by stand-by power supply.
On the basis of the above embodiments, the output end of voltage detector is also connect with the input terminal of processor, the place
The output end of reason device is connect with alarm.When the output low level of voltage detector U1, low level information, processor root are sent
According to the low level information received, warning information is sent out to alarm, alarm is alarmed according to warning information is received, by
This is it is found that processor is used for identifying the use state of Power transfer system, and prompts user.
On the basis of the above embodiments, Power transfer system further includes：Adaptor power supplies, Fig. 2 shows another realities
The Power transfer system of example is applied, as shown, the cathode ground connection of adaptor power supplies, anode and the first P-channel of adaptor power supplies
The poles D of power MOSFET switch tube VT1 are connected with the poles G of the second P-channel power MOSFET switch tube VT2, the second P-channel power
The poles D of switch mosfet pipe VT2 and the anode of main power source connect, the poles the S difference of the second P-channel power MOSFET switch tube VT2
It is connect with the poles D of the first input end of voltage detector U1 and the first P-channel power MOSFET switch tube VT1, adaptor power supplies
Voltage be more than main power source rated voltage.
It should be noted that the voltage due to adaptor power supplies is more than the rated voltage of main power source, the second P-channel work(
The VT2 cut-offs of rate switch mosfet pipe, the detection voltage Vdet of voltage detector U1 are less than adaptor voltages, then voltage detector U1
Output end export high level, high level makes triode Q1 saturation conductions, the pressure drop very little of triode Q1, so the first P ditches
The voltage of the poles G of road power MOSFET switch tube VT1 and the CE sections (the 4th foot) of load switch U2 is thus made close to low level
At the first P-channel power MOSFET switch tube VT1 conductings, load switch U2 is not exported, the first P-channel power mosfet switch
The conducting resistance very little of pipe VT1, so after the first P-channel power MOSFET switch tube VT1 conductings, adaptor voltages pass through first
P-channel power MOSFET switch tube VT1 powers to the load.
It is by above-described embodiment it is found that normal in adaptor power supplies, main power source and standby voltage, adapter electricity
Pressure will preferentially power, and be secondly main power source, be then finally stand-by power supply.The fortune of ceaseless intelligent door lock in automatic switching procedure
Row has reliable operation, and power consumption is small, advantage at low cost.
On the basis of the above embodiments, the poles S of the first P-channel power MOSFET switch tube VT1 pass through concatenated first
Diode and first resistor are connect with stand-by power supply.
It should be noted that since stand-by power supply does not have to will appear leaky for a long time, voltage can be due to itself leaks electricity
It slowly reduces, by increasing a diode and resistance in circuit, as shown in figure 3, the forward conduction pressure of the first diode D1
VF drops, and when VCC_Supply (access circuit voltage) is more than VCC Backup (voltage of stand-by power supply)+VF, stand-by power supply can
It is charged with automatic tiny stream electric current, charging current is reached spare by VCC_Supply to the first diode D1 using first resistor R1
Battery forms tiny stream electric current charge circuit.When there is a power blackout situation, stand-by power supply make after using for a period of time its voltage be possible to
It reduces, VCC_Supply can also charge automatically after restoring.It is reverse-biased due to the first diode D1, make stand-by power supply not to it
His load supplying.
On the basis of the above embodiments, adaptor power supplies are opened by the second diode and the first P-channel power MOSFET
Close the poles the D connection of pipe VT1.Reverse-biased due to the second diode, main battery will not leak electricity to adaptor power supplies.
On the basis of the above embodiments, the anode of the second diode is grounded with second resistance, second resistance and adapter
Power sources in parallel.It is grounded by second resistance, when not having adapter access, the G of the second P-channel power MOSFET switch tube is extremely
Low level, the conducting of the second P-channel power MOSFET switch tube, main power source power supply；Work as couple in adapter, the second P-channel power
The G of switch mosfet pipe extremely high level, the cut-off of the second P-channel power MOSFET switch tube pass through second by adapter power supply
Diode is powered.
On the basis of the above embodiments, the ends CE of load switch U2 are connected by the anode of 3rd resistor and stand-by power supply
It connects.When voltage detector output is low, the poles C of triode cut-off, triode are connected to reserve battery anode by 3rd resistor,
So the poles G of the first P-channel power MOSFET switch tube and the CE pins of load switch are height, the first P-channel power
Switch mosfet pipe ends, load switch conducting.When otherwise voltage detector output is high, triode ON, the first P-channel power
The poles G of switch mosfet pipe and the CE pins of load switch are low, the first P-channel power MOSFET switch tube conducting, load
Switch does not export.
On the basis of the above embodiments, for main power source by 4 18650 type battery compositions of section, stand-by power supply is 1 18650 types of section
The rated voltage of battery, main power source and stand-by power supply is 3.7V.18650 type batteries refer to a diameter of 18mm of battery, length
For 65mm, the battery of cylinder type.18650 type batteries are a kind of cheap, rechargeable batteries.
On the basis of the above embodiments, the voltage of adaptor power supplies is 5V, and the voltage threshold of voltage detector U1 is
3.3V。
Fig. 4 shows the circuit diagram of the Power transfer system of the intelligent door lock of the present embodiment, as shown, including：
Main power source, the anode of main power source and the cathode poles D and ground with the second P-channel power MOSFET switch tube VT2 respectively
Connection, the poles G and the resistance R2 of the second P-channel power MOSFET switch tube are connected to ground, the second P-channel power MOSFET switch tube
The poles S connect with the poles D of the first P-channel power MOSFET switch tube VT1, the S and intelligence of the first P-channel power MOSFET switch tube
Positive pole connection can be locked；
The first input end vin of voltage detector U1, voltage detector U1 and the second input terminal GND respectively with main power source
Anode and ground connection, the poles B of the output end vo ut and triode Q1 of voltage detector are connect, the poles C and the first P ditches of triode Q1
The poles G of road power MOSFET switch tube VT1 connect, the poles the E ground connection of triode Q1, the first P-channel power MOSFET switch tube VT1
The poles S connect with stand-by power supply by concatenated first diode D1 and first resistor R1；
Stand-by power supply, the cathode ground connection of stand-by power supply, the anode of stand-by power supply connect with the input terminal of load switch U2, bear
The ends output end vo ut and CE of load switch U2 are connect with the poles C of intelligent door lock and triode Q1 respectively, the ends Vss of load switch U2
Ground connection；The ends CE of load switch U2 are connected by the anode of 3rd resistor D3 and stand-by power supply；
Adaptor power supplies, the cathode ground connection of adaptor power supplies, anode and the second P-channel power MOSFET of adaptor power supplies
The poles G of switching tube VT2 connect and pass through the second diode D2 and connect with the poles D of the first P-channel power MOSFET switch tube VT1,
The poles D of second P-channel power MOSFET switch tube VT2 and the anode of main power source connect, the second P-channel power MOSFET switch tube
The poles S of VT2 connect with the poles D of the first input end of voltage detector U1 and the first P-channel power MOSFET switch tube VT1 respectively
It connecing, the voltage of adaptor power supplies is more than the rated voltage of main power source, and anode and the second resistance D2 of the second diode D2 are grounded, the
Two resistance D2 are in parallel with adaptor power supplies.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacement；And these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (9)
1. a kind of Power transfer system of intelligent door lock, which is characterized in that including：
Main power source, the anode and cathode of the main power source connect with the poles D of the second P-channel power MOSFET switch tube and ground respectively
It connects, the poles G of the second P-channel power MOSFET switch tube are grounded by second resistance, the second P-channel power MOSFET switch tube
The poles S are connect with the poles D of the first P-channel power MOSFET switch tube, the poles S of the first P-channel power MOSFET switch tube and intelligence
Lock positive pole connection；
Voltage detector, the first input end of the voltage detector and the second input terminal respectively with the second P-channel power
The poles S and ground of switch mosfet pipe connect, and the output end of the voltage detector and the poles B of triode connect, the triode
The poles C connect with the poles G of the first P-channel power MOSFET switch tube, the poles E of triode ground connection；
Stand-by power supply, the cathode ground connection of the stand-by power supply, the anode of the stand-by power supply are connect with the input terminal of load switch,
The output end of the load switch and the ends CE are connect with the poles C of the intelligent door lock and the triode respectively, and the load is opened
The ends Vss of pass are grounded；
Wherein, the rated voltage of the main power source is more than the voltage threshold set in the voltage detector.
2. Power transfer system as described in claim 1, which is characterized in that the output end of the voltage detector also with processing
The input terminal of device connects, and the output end of the processor is connect with alarm.
3. Power transfer system as claimed in claim 1 or 2, which is characterized in that
The Power transfer system further includes：Adaptor power supplies, the cathode ground connection of the adaptor power supplies, the adaptor power supplies
Anode connect with the poles D of the first P-channel power MOSFET switch tube and the poles G of the second P-channel power MOSFET switch tube
It connects；
Wherein, the voltage of the adaptor power supplies is more than the rated voltage of the main power source.
4. Power transfer system as claimed in claim 3, which is characterized in that the first P-channel power MOSFET switch tube
The poles S connect with the stand-by power supply by concatenated first diode and first resistor.
5. Power transfer system as claimed in claim 3, which is characterized in that the adaptor power supplies by the second diode with
The poles D of the first P-channel power MOSFET switch tube connect.
6. Power transfer system as claimed in claim 5, which is characterized in that the anode of second diode passes through described the
Two resistance eutral groundings, the second resistance are in parallel with the adaptor power supplies.
7. Power transfer system as claimed in claim 6, which is characterized in that the ends CE of the load switch pass through 3rd resistor
It is connect with the anode of the stand-by power supply.
8. Power transfer system as claimed in claim 7, which is characterized in that the main power source is by 4 18650 type battery packs of section
It is 1 18650 type batteries of section at, the stand-by power supply, the rated voltage of the main power source and stand-by power supply is 3.7V.
9. Power transfer system as claimed in claim 8, which is characterized in that the voltage of the adaptor power supplies is 5V, described
The voltage threshold of voltage detector is 3.3V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721905663.3U CN207896733U (en) | 2017-12-29 | 2017-12-29 | The Power transfer system of intelligent door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721905663.3U CN207896733U (en) | 2017-12-29 | 2017-12-29 | The Power transfer system of intelligent door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207896733U true CN207896733U (en) | 2018-09-21 |
Family
ID=63550970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721905663.3U Expired - Fee Related CN207896733U (en) | 2017-12-29 | 2017-12-29 | The Power transfer system of intelligent door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207896733U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045201A (en) * | 2019-04-11 | 2019-07-23 | 珠海格力智能装备有限公司 | Intelligent door lock tests circuit and intelligent door lock test device |
| CN113362503A (en) * | 2021-06-16 | 2021-09-07 | 佛山予恩科技有限公司 | Access control spare battery controller and automatic door access control method |
-
2017
- 2017-12-29 CN CN201721905663.3U patent/CN207896733U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110045201A (en) * | 2019-04-11 | 2019-07-23 | 珠海格力智能装备有限公司 | Intelligent door lock tests circuit and intelligent door lock test device |
| CN113362503A (en) * | 2021-06-16 | 2021-09-07 | 佛山予恩科技有限公司 | Access control spare battery controller and automatic door access control method |
| CN113362503B (en) * | 2021-06-16 | 2022-06-10 | 佛山予恩科技有限公司 | Entrance guard backup battery controller and automatic door entrance guard control method |
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Granted publication date: 20180921 Termination date: 20201229 |