CN105630121A - Function reset control device - Google Patents

Function reset control device Download PDF

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Publication number
CN105630121A
CN105630121A CN201510988679.4A CN201510988679A CN105630121A CN 105630121 A CN105630121 A CN 105630121A CN 201510988679 A CN201510988679 A CN 201510988679A CN 105630121 A CN105630121 A CN 105630121A
Authority
CN
China
Prior art keywords
magnetic
voltage
hall
control unit
induction module
Prior art date
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.)
Withdrawn
Application number
CN201510988679.4A
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Chinese (zh)
Inventor
高战
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meizu Technology Co Ltd
Original Assignee
Meizu Technology China Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Meizu Technology China Co Ltd filed Critical Meizu Technology China Co Ltd
Priority to CN201510988679.4A priority Critical patent/CN105630121A/en
Publication of CN105630121A publication Critical patent/CN105630121A/en
Withdrawn legal-status Critical Current

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 – G06F13/00 and G06F21/00
    • G06F1/24Resetting means
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/90Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of galvano-magnetic devices, e.g. Hall-effect devices

Abstract

The invention discloses a function reset control device, which has the advantages that the non-contact reset function can be realized; the product appearance is not influenced; and the device cost and the space cost are also reduced. The function reset control device of the embodiment comprises a main control chip, a micro control unit and a magnetic field induction module, wherein the magnetic field induction module is connected with the micro control unit, induces magnetic field change rules and transmits the magnetic field change rules to the micro control unit; the micro control unit obtains the magnetic field change rules, and judges whether the magnetic field change rules conform to sending conditions of preset reset signals or not; if the magnetic field change rules conform to the sending conditions, the reset signals are sent to the main control chip; and the main control chip obtains the reset signals, responds to the reset signals and executes corresponding function reset operations.

Description

A kind of functional reduction controls device
Technical field
The present invention relates to circuit engineering field, particularly relate to a kind of functional reduction and control device.
Background technology
At present, generally can reserve reset function with the smart machine of logic control or recovery is dispatched from the factory function, allow program recovery arrive original state.
The general mode selecting physical button in existing scheme, at Design Stage, increases physical button or perforate, and user is by trigger key in sharp-pointed device insertion hole, it is achieved reset function or recovery are dispatched from the factory function.
But, button or perforate affect product appearance on the one hand, and the frequency that user uses on the other hand is non-normally low, wastes device cost and space cost.
Summary of the invention
Embodiments provide a kind of functional reduction and control device, it is possible to realize contactless reset function, neither affect product appearance, also save device cost and space cost.
In view of this, the invention provides a kind of functional reduction and control device, it may include:
Main control chip, micro-control unit (MicrocontrollerUnit, MCU) and magnetic field induction module;
Magnetic field induction module is connected with micro-control unit, magnetic field induction module induced field Changing Pattern, and changes of magnetic field rule is uploaded to micro-control unit;
Micro-control unit obtains changes of magnetic field rule, and judges whether changes of magnetic field rule meets the transmission condition of preset reset signal, if meeting, then sends reset signal to main control chip;
Main control chip obtains reset signal, responds reset signal, performs the operation of corresponding functional reduction.
Optional:
Magnetic field induction module includes sensor, and sensor includes manostat, Hall plate, difference amplifier, trigger and audion.
Optional:
The input voltage received is carried out voltage stabilizing operation by manostat, and the input voltage after voltage stabilizing is added in the two ends of Hall plate;
Hall plate, after being perpendicular to the reception magnetic field, sensitive surface direction of Hall plate, produces Hall voltage, Hall voltage is sent to difference amplifier;
Difference amplifier amplifies Hall voltage, and the Hall voltage after amplifying is sent to trigger;
Trigger shaping Hall voltage, when arrival operating point, magnetic field, output HIGH voltage so that triode ON, export electronegative potential; When magnetic field arrives point of release, export low-voltage so that audion ends, export high potential.
Optional:
Changes of magnetic field rule is audion change frequency of high electronegative potential in Preset Time.
Optional:
Hall plate includes silicon Hall plate.
Optional:
Trigger includes Schmidt trigger.
Optional:
Sensor includes Hall switch sensor.
Optional:
Reset signal include recovery dispatch from the factory signal, Restart Signal or release binding signal.
Optional:
Magnetic field includes the magnetic field that the built-in magnetic coil of handset earphone produces.
Optional:
Magnetic field induction module is connected with MCU by I/O port.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that by induced field Changing Pattern, and judge whether changes of magnetic field rule meets the transmission condition of preset reset signal, if meeting, then sending reset signal to main control chip, main control chip performs corresponding operation according to reset signal. Obviously, main control chip is according to reset signal, it is able to carry out recovery to dispatch from the factory, release binding, the operation such as restart, as can be seen here, the mode of the physical button that the present invention adopts relative to prior art, the present invention is capable of contactless reset function, neither affects product appearance, also saves device cost and space cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is embodiment of the present invention apparatus structure schematic diagram;
Fig. 2 is embodiment of the present invention magnetic field induction module circuit diagram;
Fig. 3 is embodiment of the present invention height potential change figure.
Detailed description of the invention
Embodiments provide a kind of functional reduction and control device, it is possible to realize contactless reset function, neither affect product appearance, also save device cost and space cost.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a present invention part, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, all should belong to the scope of protection of the invention.
Term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second ", " the 3rd " " the 4th " etc. (if existence) are for distinguishing similar object, without being used for describing specific order or precedence. Should be appreciated that the data of so use can be exchanged in the appropriate case, in order to the embodiments described herein can be implemented with the order except the content of here diagram or description. In addition, term " includes " and " having " and their any deformation, it is intended to cover non-exclusive comprising, such as, contain series of steps or the process of unit, method, system, product or equipment be not necessarily limited to those steps or the unit clearly listed, but can include clearly not listing or for intrinsic other step of these processes, method, product or equipment or unit.
Referring to Fig. 1, in the embodiment of the present invention, functional reduction control device includes:
Main control chip 101, micro-control unit MCU102 and magnetic field induction module 103;
Magnetic field induction module 103 is connected with MCU102, this magnetic field induction module 103 induced field Changing Pattern, and changes of magnetic field rule is uploaded to MCU102;
MCU102 obtains changes of magnetic field rule, and judges whether changes of magnetic field rule meets the transmission condition of preset reset signal, if meeting, then sends reset signal to main control chip 101;
Main control chip 101 obtains reset signal, responds reset signal, performs the operation of corresponding functional reduction.
In the present embodiment, by induced field Changing Pattern, and judging whether changes of magnetic field rule meets the transmission condition of preset reset signal, if meeting, then sending reset signal to main control chip, main control chip performs corresponding operation according to reset signal. Obviously, main control chip is according to reset signal, it is able to carry out recovery to dispatch from the factory, release binding, the operation such as restart, as can be seen here, the mode of the physical button that the present invention adopts relative to prior art, the present invention is capable of contactless reset function, neither affects product appearance, also saves device cost and space cost.
For ease of understanding, each several part that functional reduction in the present embodiment controls device below is described respectively:
One, main control chip:
Main control chip 101 is the control centre of whole device, and it functions as central processing unit. Main control chip 101 can at least include two input ports, and one of them input port is used for receiving conventional RESET signal, and another one input port is used for receiving other signals, for instance: recover dispatch from the factory signal, Restart Signal or release binding signal.
Two, the connected mode between micro-control unit MCU102 and magnetic field induction module 103:
MCU192 is connected with magnetic field induction module 103 by I/O port, it is necessary to explanation be, it is also possible to adopt other connected mode, be not construed as limiting herein.
Three, magnetic field induction module:
Refer to Fig. 2, magnetic field induction module 103 includes Hall switch sensor, Hall switch sensor includes manostat A, Hall plate B, difference amplifier C, trigger D and OC door output E, wherein Hall plate can be silicon Hall plate, trigger can be Schmidt trigger, and the output of OC door can be audion.
As shown in Figure 2, input input voltage VCC, the two ends of Hall plate B it are added in after manostat A voltage stabilizing, to provide invariable operating current, in the applying magnetic field, sensitive surface direction being perpendicular to Hall plate B, produce Hall voltage VH signal, this VH signal delivers to trigger D shaping after difference amplifier C amplifies, when arrival operating point, magnetic field, trigger D output HIGH voltage, audion E is turned on, output end vo output electronegative potential, this state is called "ON", when the magnetic field applied arrives point of release, trigger D exports low-voltage, audion E is made to end, output end vo output high potential, this state is called "Off", so high twice electronegative potential conversion, Hall element is made to complete a switch motion, Bop-Brp is called magnetic hysteresis as shown in Figure 3, in this difference, output current potential Vo keeps high potential or electronegative potential constant, thus export reliable and stable.
It addition, the mode producing changes of magnetic field can set according to the feature of product, being with magnetic device to realize in theory, current earphone is almost the basic configuration of mobile phone, and built-in magnetic coil as Magnetic Field Source, can use and be convenient to.
Four, micro-control unit MCU
Micro-control unit MCU102 is connected with magnetic field induction module 103 by I/O port, MCU runs one section of program and decides whether to send reset signal, as assumed, IO low and high level change frequency that 5S internal magnetic field induction module 103 exports is more than 3 times, namely conventional RESET signal is sent, the IO low and high level change frequency of 10S internal magnetic field induction module 103 output is more than 6 times, namely send recovery dispatch from the factory signal or release binding signal, it is possible to realize different reset demands by the Changing Pattern of different IO low and high level change frequencies.
The above, above example only in order to technical scheme to be described, is not intended to limit; Although the present invention being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (10)

1. a functional reduction controls device, it is characterised in that including:
Main control chip, micro-control unit and magnetic field induction module;
Described magnetic field induction module is connected with described micro-control unit, described magnetic field induction module induced field Changing Pattern, and described changes of magnetic field rule is uploaded to described micro-control unit;
Described micro-control unit obtains described changes of magnetic field rule, and judges whether described changes of magnetic field rule meets the transmission condition of preset reset signal, if meeting, then sends described reset signal to main control chip;
Described main control chip obtains described reset signal, responds described reset signal, performs the operation of corresponding functional reduction.
2. device according to claim 1, it is characterised in that described magnetic field induction module includes sensor, and described sensor includes manostat, Hall plate, difference amplifier, trigger and audion.
3. device according to claim 2, it is characterised in that
The input voltage received is carried out voltage stabilizing operation by described manostat, and the input voltage after voltage stabilizing is added in the two ends of described Hall plate;
Described Hall plate, after being perpendicular to the reception magnetic field, sensitive surface direction of Hall plate, produces Hall voltage, described Hall voltage is sent to described difference amplifier;
Described difference amplifier amplifies described Hall voltage, and the described Hall voltage after amplifying is sent to described trigger;
Hall voltage described in described trigger shaping, when described arrival operating point, magnetic field, output HIGH voltage so that described triode ON, export electronegative potential; When described magnetic field arrives point of release, export low-voltage so that described audion ends, export high potential.
4. device according to claim 3, it is characterised in that described changes of magnetic field rule is described audion change frequency of high electronegative potential in Preset Time.
5. the device according to claim 2 to 4 any one, it is characterised in that described Hall plate includes silicon Hall plate.
6. the device according to claim 2 to 4 any one, it is characterised in that described trigger includes Schmidt trigger.
7. the device according to claim 2 to 4 any one, it is characterised in that described sensor includes Hall switch sensor.
8. the device according to Claims 1-4 any one, it is characterised in that described reset signal include recovery dispatch from the factory signal, Restart Signal or release binding signal.
9. the device according to Claims 1-4 any one, it is characterised in that described magnetic field includes the magnetic field that the built-in magnetic coil of handset earphone produces.
10. the device according to Claims 1-4 any one, it is characterised in that described magnetic field induction module is connected with described micro-control unit by I/O port.
CN201510988679.4A 2015-12-23 2015-12-23 Function reset control device Withdrawn CN105630121A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510988679.4A CN105630121A (en) 2015-12-23 2015-12-23 Function reset control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510988679.4A CN105630121A (en) 2015-12-23 2015-12-23 Function reset control device

Publications (1)

Publication Number Publication Date
CN105630121A true CN105630121A (en) 2016-06-01

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106658578A (en) * 2017-01-18 2017-05-10 佛山科学技术学院 Wireless intelligent device network configuration method and wireless intelligent device
CN107071250A (en) * 2017-04-17 2017-08-18 浙江宇视科技有限公司 Repositioning method and system
CN109031165A (en) * 2018-08-09 2018-12-18 微传智能科技(常州)有限公司 Magnetic signal trigger switch and its instruction identification system, magnetic trigger switch equipment, intelligent parking detection device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030048602A1 (en) * 2001-09-13 2003-03-13 Hiroyuki Imadate Reset mechanism for use in electric device equipped with microcomputer and resetting method
CN101311880A (en) * 2007-05-25 2008-11-26 佛山市顺德区汉达精密电子科技有限公司 Palm device reset system and its method
CN101886934A (en) * 2009-05-14 2010-11-17 曾卫东 Positioning method and system based on hall element
CN103294146A (en) * 2012-02-29 2013-09-11 广达电脑股份有限公司 Reset device and electronic system having the same
CN104122172A (en) * 2014-07-28 2014-10-29 东北石油大学 Double-cylinder rotary viscosimeter and using method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030048602A1 (en) * 2001-09-13 2003-03-13 Hiroyuki Imadate Reset mechanism for use in electric device equipped with microcomputer and resetting method
CN101311880A (en) * 2007-05-25 2008-11-26 佛山市顺德区汉达精密电子科技有限公司 Palm device reset system and its method
CN101886934A (en) * 2009-05-14 2010-11-17 曾卫东 Positioning method and system based on hall element
CN103294146A (en) * 2012-02-29 2013-09-11 广达电脑股份有限公司 Reset device and electronic system having the same
CN104122172A (en) * 2014-07-28 2014-10-29 东北石油大学 Double-cylinder rotary viscosimeter and using method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106658578A (en) * 2017-01-18 2017-05-10 佛山科学技术学院 Wireless intelligent device network configuration method and wireless intelligent device
CN107071250A (en) * 2017-04-17 2017-08-18 浙江宇视科技有限公司 Repositioning method and system
CN107071250B (en) * 2017-04-17 2019-12-13 浙江宇视科技有限公司 Reset method and system
CN109031165A (en) * 2018-08-09 2018-12-18 微传智能科技(常州)有限公司 Magnetic signal trigger switch and its instruction identification system, magnetic trigger switch equipment, intelligent parking detection device

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CB02 Change of applicant information

Address after: 519000 Zhuhai hi tech Zone, science and Technology Innovation Coast Meizu Technology Building

Applicant after: Zhuhai Meizu Technology Co., Ltd.

Address before: 519000 Zhuhai science and Technology Innovation Coast Meizu technology building, Guangdong

Applicant before: Meizu Technology (China) Co., Ltd.

TA01 Transfer of patent application right

Effective date of registration: 20171027

Address after: 518052 Guangdong city of Shenzhen province Qianhai Shenzhen Hong Kong cooperation zone before Bay Road No. 1 building 201 room A (located in Shenzhen Qianhai business secretary Co. Ltd.)

Applicant after: Shenzhen HUAFA wisdom Technology Co.

Address before: 519000 Zhuhai hi tech Zone, science and Technology Innovation Coast Meizu Technology Building

Applicant before: Zhuhai Meizu Technology Co., Ltd.

TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20171205

Address after: 519000 Zhuhai hi tech Zone, science and Technology Innovation Coast Meizu Technology Building

Applicant after: Zhuhai Meizu Technology Co., Ltd.

Address before: 518052 Guangdong city of Shenzhen province Qianhai Shenzhen Hong Kong cooperation zone before Bay Road No. 1 building 201 room A (located in Shenzhen Qianhai business secretary Co. Ltd.)

Applicant before: Shenzhen HUAFA wisdom Technology Co.

WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20160601