CN110206408A - A kind of band stablizes the intelligent door lock of electric-control system - Google Patents
A kind of band stablizes the intelligent door lock of electric-control system Download PDFInfo
- Publication number
- CN110206408A CN110206408A CN201910610760.7A CN201910610760A CN110206408A CN 110206408 A CN110206408 A CN 110206408A CN 201910610760 A CN201910610760 A CN 201910610760A CN 110206408 A CN110206408 A CN 110206408A
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- Prior art keywords
- power supply
- load
- control system
- capacitor
- electric
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0048—Circuits, feeding, monitoring
- E05B2047/0057—Feeding
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses the intelligent door locks that a kind of band stablizes electric-control system, it is related to a kind of intelligent door lock, more particularly to the improvement to intelligent door lock power supply system, it includes power supply system, MCU controller, load driving circuits module and load, the load is inductive load, capacitive load or the large current load of intelligent door lock electric-control system driving, the power supply system gives the MCU controller and the load driving circuits to power respectively, and the MCU controller is by driving the load driving circuits module to control the loaded work piece；Power supply system in electric-control system is divided into two modules, is powered respectively to MCU controller and load driving circuits respectively, has prevented the huge interference generated by the load that can generate surge impact to electric-control system substantially.
Description
Technical field
The present invention relates to a kind of intelligent door locks, more particularly to the improvement to intelligent door lock power supply system.
Background technique
The control panel of intelligent door lock is when design currently on the market, most of be all the way power module go to
MCU controller and its all load supplying, but due to that can cause the load of larger fluctuation that can interfere electric-control system to circuit, to electricity
Road generates surge impact, also will affect MCU controller, and MCU controller is the middle control unit of electric-control system, can be led by fluctuation
The disorder of intelligent door lock electric-control system is caused, the serious problems such as reset, parafunction occur.Therefore how to ensure that intelligent door lock power supply supplies
Electricity is stablized, and the stability of enhancing intelligent door lock work is those skilled in the art's urgent problem.
Summary of the invention
For overcome the deficiencies in the prior art, it influenced, worked by surge impact the present invention provides a kind of powered stable, not
The high band of stability stablizes the intelligent door lock of electric-control system.
The present invention adopts the following technical scheme that realization: a kind of intelligent door lock of the stable electric-control system of band, including power supply system,
MCU controller, load driving circuits module and load, it is described load be electric-control system driving inductive load, capacitive load or
Large current load, the power supply system give the MCU controller and the load driving circuits to power respectively, the MCU control
Device is by driving the load driving circuits module to control the load movement；
The power supply system includes mutually independent control system power module and load system power module, the control
System power supply module is powered to the MCU controller, and the load system power module is supplied to the load driving circuits module
Electricity.
Further, the control system power module includes D.C. regulated power supply chip U1 and the first filter circuit, institute
State the input termination 6V power supply of D.C. regulated power supply chip, the output termination transient voltage suppression of the D.C. regulated power supply chip U1
Device ED1 processed, first filter circuit are connected in parallel on the D.C. regulated power supply chip U1.
Further, the load system power module includes D.C. regulated power supply chip U2 and the second filter circuit, institute
State the input termination 6V power supply of D.C. regulated power supply chip, the output termination transient voltage suppression of the D.C. regulated power supply chip U2
Device ED2 processed, second filter circuit are connected in parallel on the D.C. regulated power supply chip U2.
Further, first filter circuit includes electrolytic capacitor EC1, electrolytic capacitor EC2, capacitor C2 and capacitor C3,
The electrolytic capacitor EC1 and capacitor C3 is connected in parallel on the input terminal of the D.C. regulated power supply chip U1, the electrolytic capacitor EC2 and
Capacitor C2 is connected in parallel on the output end of the D.C. regulated power supply chip U1.
Further, second filter circuit includes electrolytic capacitor EC1, electrolytic capacitor EC3, capacitor C7 and capacitor C3,
The electrolytic capacitor EC1 and capacitor C3 is connected in parallel on the input terminal of the D.C. regulated power supply chip U2, the electrolytic capacitor EC3 and
Capacitor C7 is connected in parallel on the output end of the D.C. regulated power supply chip U2.
Further, the pin of the pin ten of the MCU controller, the pin 38 of MCU controller, MCU controller
62 can connect the output end of D.C. regulated power supply chip respectively.
Further, the D.C. regulated power supply chip is HT7833 three-terminal regulator chip.
Compared with prior art, the present invention is in use, intelligent door lock powers on, and electric-control system is started to work, the control of power supply system
System power supply module processed provides stable voltage to MCU controller, and load system power module voltage drives to each load
The voltage of circuit with stable, MCU director demon controls each load driving circuits module work, so that loaded work piece is driven,
Realize the various functions of intelligent door lock and performance.Power supply system in electric-control system is divided into two modules, is controlled respectively to MCU
Device and load driving circuits are powered respectively, have prevented to generate electric-control system because of the load that can generate surge impact substantially huge
Interference.
Detailed description of the invention
Fig. 1 is structural block diagram of the invention；
Fig. 2 is power supply system circuit diagram of the present invention；
Fig. 3 is the circuit diagram of MCU controller of the present invention
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
A kind of band stablizes the intelligent door lock of electric-control system, including power supply system, MCU controller, load as shown in Figure 1-Figure 3
Drive circuit module and load load the inductive load for electric control system controls, capacitive load or large current load.Intelligent door lock
Power supply system gives the MCU controller and the load driving circuits to power respectively, and the MCU controller is described negative by driving
It carries drive circuit module and controls the load movement.
Power supply system includes mutually independent control system power module and load system power module, the control system
Power module is powered to the MCU controller, and the load system power module gives the load driving circuits module for power supply.
The power supply system includes: control system power module and load system power module, the control system power supply
Module includes D.C. regulated power supply chip U1, is mainly used for DC-DC voltage conversion circuit, is to convert 6V in the present embodiment
3.3V, it is preferred to use HT7833 three-terminal regulator chip.
Electrolytic capacitor EC1, electrolytic capacitor EC2, capacitor C2 and capacitor C3 form the first filter circuit, electrolytic capacitor EC1 and
Capacitor C3 is connected in parallel on the input terminal of the D.C. regulated power supply chip U1, and the electrolytic capacitor EC2 and capacitor C2 are connected in parallel on described
The output end of D.C. regulated power supply chip U1.Mainly for preventing circuit portions supply voltage from generating wave because loading variation
It is dynamic, so being terminated with the electrolytic capacitor of tens of to hundreds of microfarads in the output end of power supply and the power input of load but due to great Rong
The electrolytic capacitor of amount generally has certain inductance, cannot effective filter out to high frequency and pulse interference signal, therefore at its both ends
Capacitor in parallel, to filter out high frequency and impulse disturbances.
ED1 and ED2 is that TVS pipe (transient voltage suppressor) is also referred to as Transient Voltage Suppressor, it is a kind of diode
The high-effect protection device of form has the response time being exceedingly fast and quite high surge absoption ability.When the both ends of TVS pipe by
To when reversed transient overvoltage pulse, the high impedance between both ends can be become Low ESR with high speed, to absorb moment big electricity
Stream, and by voltage clamping in predetermined value, so that the component in effective protection circuit is against damages.
Load system power circuit includes U2, capacitor C7, capacitor C3, electrolytic capacitor EC3, electrolytic capacitor EC1, TVS pipe ED2
The second filter circuit is formed, it, can be with high speed between both ends when the both ends of TVS pipe are by reversed transient overvoltage pulse
High impedance becomes Low ESR, to absorb instantaneous large-current, and by voltage clamping in predetermined value, thus in effective protection circuit
Component is against damages.
That all power port 3.3V_1 of MCU controller principle figure are connected is the 3.3V of MCU controller power source.
The specific control process of the present embodiment: intelligent door lock powers on, and electric-control system is started to work, the control system of power supply system
System power module provides stable voltage to MCU controller, and load system power module voltage gives each load driving circuits
Stable voltage is provided, MCU director demon controls each load driving circuits module work and realizes to drive loaded work piece
The various functions of intelligent door lock and performance.Power supply system in electric-control system is divided into two modules, respectively to MCU controller and
Load driving circuits are powered respectively, have prevented to generate electric-control system because of the load that can generate surge impact substantially huge dry
It disturbs.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (7)
1. a kind of band stablizes the intelligent door lock of electric-control system, including power supply system, MCU controller, load driving circuits module and
Load, the load are inductive load, capacitive load or the large current load of electric-control system driving, and the power supply system is given respectively
The MCU controller and load driving circuits power supply, the MCU controller is by driving the load driving circuits module
Control the load movement；
It is characterized by: the power supply system includes mutually independent control system power module and load system power module,
The control system power module is powered to the MCU controller, and the load system power module gives load driving electricity
Road module for power supply.
2. the intelligent door lock that a kind of band according to claim 1 stablizes electric-control system, it is characterised in that: the control system
Power module includes D.C. regulated power supply chip U1 and the first filter circuit, and the input of the D.C. regulated power supply chip terminates 6V
The output of power supply, the D.C. regulated power supply chip U1 terminates Transient Voltage Suppressor ED1, and first filter circuit is connected in parallel on
On the D.C. regulated power supply chip U1.
3. the intelligent door lock that a kind of band according to claim 1 stablizes electric-control system, it is characterised in that: the load system
Power module includes D.C. regulated power supply chip U2 and the second filter circuit, and the input of the D.C. regulated power supply chip terminates 6V
The output of power supply, the D.C. regulated power supply chip U2 terminates Transient Voltage Suppressor ED2, and second filter circuit is connected in parallel on
On the D.C. regulated power supply chip U2.
4. the intelligent door lock that a kind of band according to claim 2 stablizes electric-control system, it is characterised in that: first filtering
Circuit includes electrolytic capacitor EC1, electrolytic capacitor EC2, capacitor C2 and capacitor C3, and the electrolytic capacitor EC1 and capacitor C3 are connected in parallel on
The input terminal of the D.C. regulated power supply chip U1, the electrolytic capacitor EC2 and capacitor C2 are connected in parallel on the D.C. regulated power supply
The output end of chip U1.
5. the intelligent door lock that a kind of band according to claim 3 stablizes electric-control system, it is characterised in that: second filtering
Circuit includes electrolytic capacitor EC1, electrolytic capacitor EC3, capacitor C7 and capacitor C3, and the electrolytic capacitor EC1 and capacitor C3 are connected in parallel on
The input terminal of the D.C. regulated power supply chip U2, the electrolytic capacitor EC3 and capacitor C7 are connected in parallel on the D.C. regulated power supply
The output end of chip U2.
6. the intelligent door lock that a kind of band according to claim 2 stablizes electric-control system, it is characterised in that: the MCU control
The pin ten of device, the pin 38 of MCU controller, MCU controller pin 62 can connect D.C. regulated power supply respectively
The output end of chip.
7. stablizing the intelligent door lock of electric-control system according to a kind of any band of claim 2-6, it is characterised in that: described straight
Stream regulated power supply chip is HT7833 three-terminal regulator chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610760.7A CN110206408B (en) | 2019-07-08 | 2019-07-08 | Intelligent door lock with stable electric control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610760.7A CN110206408B (en) | 2019-07-08 | 2019-07-08 | Intelligent door lock with stable electric control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110206408A true CN110206408A (en) | 2019-09-06 |
| CN110206408B CN110206408B (en) | 2023-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910610760.7A Active CN110206408B (en) | 2019-07-08 | 2019-07-08 | Intelligent door lock with stable electric control system |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080000711A1 (en) * | 2006-06-29 | 2008-01-03 | Nigel Spurr | Electrical circuit arrangement |
| CN102520626A (en) * | 2011-12-16 | 2012-06-27 | 山东电力集团公司菏泽供电公司 | Power supply control system of field on-line monitoring device |
| CN202652092U (en) * | 2012-04-28 | 2013-01-02 | 欧司朗股份有限公司 | Load driving circuit |
| CN104037935A (en) * | 2014-06-27 | 2014-09-10 | 贵州长征开关制造有限公司 | Double-power-source switch controller with short circuit motion-refusing protection function |
| US20170149332A1 (en) * | 2014-08-07 | 2017-05-25 | Panasonic Intellectual Property Management Co., Ltd. | In-vehicle power supply device and vehicle mounted with same |
| CN208473480U (en) * | 2018-01-29 | 2019-02-05 | 苏州索亚电讯有限公司 | Independently-powered WiFi door lock |
| CN109795429A (en) * | 2019-01-18 | 2019-05-24 | 北京理工大学 | A kind of Vehicle Controller power-supply system of discontinuous work |
| CN210460235U (en) * | 2019-07-08 | 2020-05-05 | 广东科徕尼智能科技有限公司 | Intelligent door lock with stable electric control system |
-
2019
- 2019-07-08 CN CN201910610760.7A patent/CN110206408B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080000711A1 (en) * | 2006-06-29 | 2008-01-03 | Nigel Spurr | Electrical circuit arrangement |
| CN102520626A (en) * | 2011-12-16 | 2012-06-27 | 山东电力集团公司菏泽供电公司 | Power supply control system of field on-line monitoring device |
| CN202652092U (en) * | 2012-04-28 | 2013-01-02 | 欧司朗股份有限公司 | Load driving circuit |
| CN104037935A (en) * | 2014-06-27 | 2014-09-10 | 贵州长征开关制造有限公司 | Double-power-source switch controller with short circuit motion-refusing protection function |
| US20170149332A1 (en) * | 2014-08-07 | 2017-05-25 | Panasonic Intellectual Property Management Co., Ltd. | In-vehicle power supply device and vehicle mounted with same |
| CN208473480U (en) * | 2018-01-29 | 2019-02-05 | 苏州索亚电讯有限公司 | Independently-powered WiFi door lock |
| CN109795429A (en) * | 2019-01-18 | 2019-05-24 | 北京理工大学 | A kind of Vehicle Controller power-supply system of discontinuous work |
| CN210460235U (en) * | 2019-07-08 | 2020-05-05 | 广东科徕尼智能科技有限公司 | Intelligent door lock with stable electric control system |
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| CN110206408B (en) | 2023-08-08 |
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Address after: 511434 No.1 and No.2, Shihua Road, Hualong Town, Panyu District, Guangzhou City, Guangdong Province Applicant after: Guangdong haomadame smart home Co.,Ltd. Address before: No.1, No.2 highway, No.2, Panyu, Guangzhou Applicant before: GUANGDONG KELAINI INTELLIGENT TECHNOLOGY Co.,Ltd. |
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