CN110535456A - A kind of coding control method and switching system based on magnetosensitive - Google Patents
A kind of coding control method and switching system based on magnetosensitive Download PDFInfo
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- CN110535456A CN110535456A CN201910789170.5A CN201910789170A CN110535456A CN 110535456 A CN110535456 A CN 110535456A CN 201910789170 A CN201910789170 A CN 201910789170A CN 110535456 A CN110535456 A CN 110535456A
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- 238000000034 method Methods 0.000 title claims abstract description 26
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- 238000001514 detection method Methods 0.000 claims description 11
- 235000014676 Phragmites communis Nutrition 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims 1
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- 238000004891 communication Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000001235 sensitizing effect Effects 0.000 description 3
- 239000010409 thin film Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/90—Electronic 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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
- H03M11/02—Details
- H03M11/04—Coding of multifunction keys
- H03M11/06—Coding of multifunction keys by operating the multifunction key itself in different ways
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
- H03M11/02—Details
- H03M11/04—Coding of multifunction keys
- H03M11/06—Coding of multifunction keys by operating the multifunction key itself in different ways
- H03M11/10—Coding of multifunction keys by operating the multifunction key itself in different ways by methods based on duration or pressure detection of keystrokes
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Selective Calling Equipment (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
The present invention relates to a kind of coding control method and switching system based on magnetosensitive, the various combination of the frequency and/or duration that enter magnetic susceptibility region by external magnets sets the instruction encoding of response signal combination, realize that single magnet-sensitive switch control equipment executes a variety of different operations, the aperture on device housings is not needed, it can utmostly guarantee the airtightness of device housings, the electronic device demand being suitble under dust storm, humidity or the specific environments such as underwater.
Description
Technical field
The present invention relates to Geotechnical Monitoring technical field more particularly to a kind of coding control methods based on magnetosensitive
And switching system.
Background technique
In Geotechnical Monitoring field, electronic equipment, data acquisition and communication under especially wild outdoor environment are set
When standby state control or execution, traditional electronic equipment multimode or function control are usually using one or more mechanical
Switch, soft-touch control wait the switch for needing external force to touch, and the work shape of the electronic equipment is controlled for independent control or combination
State, such as contact button, thin film switch, but these switches are often unsuitable for requiring sealing higher ranked and need to be isolated setting
Electronic equipment.More especially should not outdoors environment open casting of electronic device functional status control operation or equipment
The operation of wake-up or the multiple functional status of execution in a sleep state.
It can be good at coping with electronic equipment using magnet-sensitive switch made of reed switch (i.e. tongue tube) or hall device
The case where mechanically actuated key and high-grade waterproof of shell needs, high-grade sealing should not be arranged in surface of shell.But it is traditional
For magnet-sensitive switch since used magnetosensitive original part itself is only able to detect conducting and disconnects two states, general single switch can only
I/O for single basis switchs operation, can not achieve control equipment and executes a variety of different movements;And it answers on the same device
It is then limited to the non-directive property feature in magnetic force magnetic field with multiple magnet-sensitive switchs, there is maloperation caused by magnetic interfere with each other and ask
Topic, cannot precisely realize required operational motion.
Summary of the invention
To solve the deficiencies in the prior art, the present invention proposes a kind of coding control method and switching system based on magnetosensitive,
Enter magnetic susceptibility member into the number of magnet-sensitive element response region and/or external magnets within the unit time by external magnets
Part response region duration length forms a variety of coded commands, so that controlling equipment executes different movements, realizes single
The effect of various states control can be completed in a magnet-sensitive switch.
In order to achieve the above object, the technical solution adopted in the present invention includes:
A kind of coding control method based on magnetosensitive, which comprises the following steps:
A, magnetic of the setting including magnet-sensitive element on the inside of the target device shell appropriate area for carrying out control operation
Quick switch forms the magnetic susceptibility region for entering to external magnets and generating response signal on the outside of the shell appropriate area;
B, be connected magnet-sensitive switch with control module the response signal for making control module receive magnet-sensitive switch generation;
C, control module is connected with output module, which instructs output module according to the different operation of control module, exports
Corresponding operational motion;
D, the instruction of the different response signal combination of the several groups of several different operation instructions of the specified triggering of editor's setting is compiled
Code, the response signal group are combined into external magnets and enter the number in magnetic susceptibility region and/or the various combination of duration;
G, when external magnets enter magnetic susceptibility region, control module receives response signal and judges whether to meet in advance
The instruction encoding of the response signal combination of editor's setting;
H1, meet the response signal combination of a certain preparatory editor's setting when the response signal that receives of control module judgement
When instruction encoding, control module sends the operational order for the specified triggering of instruction encoding that the response signal combines to output module,
Output module receives operational order and exports the corresponding operational motion of the operational order;
H2, it is combined when the response signal that control module judgement receives does not meet the response signal that any preparatory editor sets
Instruction encoding when, control module to output module send control false command, output module receive control false command simultaneously
Error message is controlled to user feedback.
Further, the magnet-sensitive element uses hall device or reed switch.
Further, in step G, the response signal that the control module first generates magnet-sensitive switch carries out level conversion
And/or shaping filter eliminates the instruction encoding judgement comparison combined again with pre-set response signal after interference and exports the response
Operational order specified by signal.
Further, in step H1 and H2, the output module exports corresponding operational motion according to operational order, and
According to operational order or control false command output operational order prompt information or control error message.
Further, in step D, it is external magnets in a timing that the external magnets, which enter the frequency in magnetic susceptibility region,
Between enter the total degree in magnetic susceptibility region in section, external magnets, which enter the process that magnetic susceptibility region is detached from again and are denoted as, once enters magnetic
Sensitizing range;The duration that the external magnets enter magnetic susceptibility region is that external magnets enter magnetic susceptibility region to being detached from
The total duration in magnetic susceptibility region is rested in journey.
Further, the step D further includes the instruction encoding of editor's setting particular safety response signal combination.
Further, the method also includes following steps:
E, when user enters magnetic susceptibility region using external magnets, control module receives response signal and preferentially judges
Whether the instruction encoding of the particular safety response signal combination of in advance editor setting is met.
Further, the method also includes following steps:
F, when the response signal that control module judgement receives meets the instruction encoding of particular safety response signal combination,
Allowing user's progress, further control operation is verified instruction to output module transmission simultaneously, and it is logical that output module receives verifying
It crosses and instructs and be verified information to user feedback, enter back into G and H1, H2 step;When control module judges the sound received
When induction signal does not meet the instruction encoding of particular safety response signal combination, user is not allowed to carry out further control operation simultaneously
Verifying is sent not by instruction to output module, and output module receives verifying and do not lead to by instruction and to user feedback verifying
Cross information.
A kind of coding-control switching system based on magnetosensitive, which is characterized in that including target device and external magnets;It is described
Target device includes shell and is respectively provided with magnet-sensitive switch, control module and output module inside the shell;The magnetosensitive is opened
Closing includes magnet-sensitive element, and the magnetic susceptibility for entering to external magnets and generating response signal is formed on the outside of the shell appropriate area
Region;The control module includes response signal detection circuit and central processing unit, the response signal detection circuit and magnetosensitive
Switch is connected and the response signal that magnet-sensitive switch generates is carried out Signal Pretreatment and is sent to central processing unit;The signal
Pretreatment includes that level conversion and/or shaping filter eliminate interference;The central processing unit connection response signal deteching circuit, will
It is signified that the instruction encoding judgement comparison that the response signal received is combined with pre-set response signal exports the response signal
Fixed operational order;The output module includes function control output subsystem and signal designation output subsystem;The function
It controls output subsystem and corresponding operational motion is exported according to operational order, the signal designation output subsystem refers to according to operation
It enables or control false command exports operational order prompt information or control error message.
Further, it is different to preset the several groups that specified several different operations of triggering instruct for the central processing unit
The instruction encoding of response signal combination, the response signal group are combined into external magnets and enter the number in magnetic susceptibility region and/or hold
The various combination of continuous duration;
And/or the magnet-sensitive element is hall device or reed switch;
And/or the signal designation output subsystem includes display screen, indicator light and/or sounding device.
The invention has the benefit that
Using the coding-control method of switching and system of the present invention based on magnetosensitive, a kind of contactless more function have been built
Energy code switch, when response region (the i.e. magnetic susceptibility for entering magnet-sensitive element using external magnets on the outside of electronic equipment casing
Region) when, magnet-sensitive element will export a switching signal to control module and carry out judgement processing.Within the unit time, pass through
External magnets into or away from the response region of magnet-sensitive element number, or control external magnets enter continuing for sensitizing range
Time span realizes that electronic equipment executes the purpose of different function eventually by different coding to realize the coding of switch.
The present invention carries out the limitation that control operation breaches the simple I/O structure of traditional magnet-sensitive switch to electronic equipment, and one can only be used
In the magnet-sensitive element of detection " having (or conducting) " and " without (or disconnection) " two states, magnetic susceptibility member is operated by external magnets
On/off number (export the number of pulse) of the part within the unit time, or the time span of on/off is kept to identify required hold
Capable function command coding realizes that single magnet-sensitive switch controls equipment by the instruction encoding that pre-set response signal combines
A variety of different conditions control operations are executed, while can also further be compiled by the instruction that setting particular safety response signal combines
The mode of code guarantees equipment operation safety, avoids maloperation and unauthorized operation;It is kept between external magnets and magnet-sensitive element non-
Contact condition can be achieved with non-contact control truly without opening electronic equipment machine box enclosure, and magnet-sensitive switch (contains magnetic
Sensing element) it is installed on equipment closed case interior of shell in itself, aperture on the shell is not needed, can utmostly guarantee to set
The airtightness of standby shell, protect equipment not by soak, the pollution of surface moisture or dust is influenced, the spies such as suitable dust storm, high hydraulic pressure
Determine to need electronic equipment that is completely waterproof, needing sealing or needs to be isolated or data acquisition/communication apparatus local under environment
Operational requirements are controlled, conventional mechanical switch, capacitor type touch switch or thin film switch are avoided, in moist or water environment
Under may result in failure even electronic equipment casing water inlet the problem of;The magnet-sensitive switch made of magnet-sensitive element belongs to nothing
Source switch, usually not power consumption, and can easily realize the wake operation of electronic equipment in the dormant state, it powers without additional,
Facilitate the energy saving of equipment.The present invention is simple and convenient, and when use, which need to only take external magnets, to be operated at the scene,
The state control of the control electronics, data acquisition and the communication apparatus that are particularly suitable under wild outdoor environment or function are held
Row, reaching apparatus casing hide key and exempting to uncap only needs the operation of functional status, is also applied for various electronic equipments and exempts to open
Control.
Detailed description of the invention
Fig. 1 is that the present invention is based on the coding-control switching system structural schematic diagrams of magnetosensitive.
Fig. 2 is a kind of embodiment waveform diagram of the instruction encoding of response signal of the present invention combination.
Fig. 3 is another embodiment waveform diagram of the instruction encoding of response signal of the present invention combination.
Fig. 4 is the third embodiment waveform diagram of the instruction encoding of response signal of the present invention combination.
Specific embodiment
The contents of the present invention are understood in order to clearer, will be described in detail in conjunction with the accompanying drawings and embodiments.
As shown in Figure 1 for the present invention is based on the coding-control switching system structural schematic diagram of magnetosensitive, including target device and
External magnets;The target device includes shell and is respectively provided with magnet-sensitive switch inside the shell, control module and output mould
Block;The magnet-sensitive switch includes magnet-sensitive element, and magnet-sensitive element can be hall device or reed switch, appropriate in shell
Areas outside forms the magnetic susceptibility region for entering to external magnets and generating response signal;The control module includes response signal inspection
Slowdown monitoring circuit and central processing unit, the response that the response signal detection circuit is connected with magnet-sensitive switch and generates magnet-sensitive switch
Signal carries out Signal Pretreatment and is sent to central processing unit;The Signal Pretreatment includes level conversion, shaping filter, wherein
Level conversion is to carry out signal to zoom in or out it is made to meet port input voltage, and shaping filter is to eliminate fluctuation, burr
Etc. interference informations;The central processing unit connection response signal deteching circuit, if specified triggering can be preset in central processing unit
The instruction encoding of the different response signal combination of the several groups of dry different operation instruction, the response signal group be combined into external magnets into
Enter the number in magnetic susceptibility region and/or the various combination of duration, central processing unit has counting and/or clocking capability, energy
Enough response signals (switching signal) that will be received combine itself counting and/or clocking capability so with pre-set response
The instruction encoding judgement comparison of signal combination exports operational order specified by the response signal;The output module includes function
Control output subsystem and signal designation output subsystem;The function control output subsystem is exported according to operational order and is corresponded to
Operational motion, the signal designation output subsystem preferably may include display screen, indicator light, sounding device etc., according to operation
Instruction or control false command output operational order prompt information or control error message.
The present invention is based on the principles of the coding-control switching system of magnetosensitive are as follows: magnet-sensitive element is fixed on by non-magnet material
Metal or nonmetallic production device housings on the inside of, be not understood as composition one detection magnetic field sensor.Work as external magnets
When into the magnetic susceptibility region of magnet-sensitive element, magnetic field is incuded by magnet-sensitive element, magnet-sensitive element output conducting (or it is disconnected
Open) signal, when external magnets are far from magnet-sensitive element, that is, magnetic susceptibility region, magnet-sensitive element then exports disconnection (or conducting) letter
Number.The status information of magnet-sensitive element, which is sent after processing to CPU processing, to be judged.
The invention further relates to a kind of coding control method based on magnetosensitive, the control method and the above-mentioned volume based on magnetosensitive
Code control switch system is corresponding, it will be appreciated that and it is the coding control method for being the above-mentioned coding-control switching system based on magnetosensitive,
The coding-control process based on magnetosensitive is carried out to target device using above system in other words, is to consolidate a magnet-sensitive element
Be scheduled on some position on the inside of sealed cabinet shell and form magnetic susceptibility region, when there is no magnetic, all magnet-sensitive elements it is defeated
It does well all in closed state, when external magnets enter the magnetic susceptibility region of magnet-sensitive element, magnet-sensitive element will be produced
Raw response, and the output state of magnet-sensitive element will change and for example be turned on or be closed.When external magnets are separate
When magnetic susceptibility region, magnet-sensitive element will secondary response and output state changes again again, such as be closed or open.It is logical
Cross the state of response signal detection circuit detection magnet-sensitive element, so that it may obtain the letter that external magnets enter magnetic susceptibility region
Breath, and can detecte the number that external magnets enter sensitizing range within the unit time, or simultaneous survey enters magnetosensitive sensillary area every time
The duration length in domain.
Specifically, above-mentioned coding control method the following steps are included:
A, magnetic of the setting including magnet-sensitive element on the inside of the target device shell appropriate area for carrying out control operation
Quick switch, magnet-sensitive element preferably use hall device or reed switch, and being formed on the outside of the shell appropriate area can be right
External magnets enter the magnetic susceptibility region for generating response signal;
B, be connected magnet-sensitive switch with control module the response letter for enabling control module to receive magnet-sensitive switch generation
Number;
C, control module is connected with output module enables output module to be instructed according to the different operation of control module
Export corresponding operational motion;
D, the instruction encoding of editor's setting particular safety response signal combination and several different operation instructions of specified triggering
The different response signal combination of several groups instruction encoding, the response signal group is combined into external magnets and enters magnetic susceptibility region
Frequency and/or duration various combination;
E, when user enters magnetic susceptibility region using external magnets, control module receives response signal and preferentially judges
Whether the instruction encoding of the particular safety response signal combination of in advance editor setting is met;
F, when the response signal that control module judgement receives meets the instruction encoding of particular safety response signal combination,
Allowing user's progress, further control operation is verified instruction to output module transmission simultaneously, and it is logical that output module receives verifying
It crosses instruction and is verified information to user feedback, user continues control and is operated into G and H1, H2 step;Work as control module
When judging that the response signal received does not meet the instruction encoding of particular safety response signal combination, user is not allowed to carry out into one
Step control operation simultaneously to output module send verifying not by instruction, output module receive verifying by instruction and to
Family feedback validation does not pass through information;
G, when user enters magnetic susceptibility region using external magnets, control module receives response signal and preferentially judges
Whether the instruction encoding of the particular safety response signal combination of in advance editor setting is met, and control module receives response signal simultaneously
Judge whether to meet the instruction encoding of the response signal combination of editor's setting in advance;Specifically, control module can open magnetosensitive
Close the response signal generated carry out level conversion and/or shaping filter eliminate the Signal Pretreatments such as interference again with pre-set sound
The instruction encoding judgement comparison of induction signal combination exports operational order specified by the response signal;
H1, meet the response signal combination of a certain preparatory editor's setting when the response signal that receives of control module judgement
When instruction encoding, control module sends the operational order for the specified triggering of instruction encoding that the response signal combines to output module,
Output module receives operational order and exports the corresponding operational motion of the operational order;
H2, it is combined when the response signal that control module judgement receives does not meet the response signal that any preparatory editor sets
Instruction encoding when, control module to output module send control false command, output module receive control false command simultaneously
Error message is controlled to user feedback.
Further, in step D, wherein it is external magnets one that the external magnets, which enter the frequency in magnetic susceptibility region,
Enter the total degree in magnetic susceptibility region in section of fixing time, external magnets enter the process that magnetic susceptibility region is detached from again be denoted as once into
Enter magnetic susceptibility region.Within the unit time, the number in magnetic susceptibility region is entered by operating external magnets, i.e., is judged by CPU
The pulse number that magnet-sensitive element exports within the unit time realizes that coding, CPU then export corresponding control by corresponding encoded
Instruction is to execute pre-set function.It is illustrated in figure 2 a kind of embodiment of the instruction encoding of response signal combination, figure medium wave
Shape 1 and waveform 2 represent t0To t1The instruction encoding of the response signal combination of two kinds of different frequencies in unit interval.Waveform 1 exists
Record external magnets are total in unit interval enters magnetic susceptibility region 4 times, i.e., frequency is 4;Waveform 2 is remembered in unit interval
Record external magnets are total to enter magnetic susceptibility region 3 times, i.e., frequency is 3.Different frequency may be encoded as corresponding execution different operation
To realize that the operation to target device controls;Such as the corresponding turn on/off devices illumination of waveform 1, the corresponding unlatching/pass of waveform 2
External magnets can be used within a certain period of time in a manner of waveform 1 in hull closure bluetooth communication when then user opens device illumination in advance
Into magnetic susceptibility region, equipment opens illumination, enters magnetic susceptibility region in a manner of waveform 1 again, and equipment closes illumination.
The duration that the external magnets enter magnetic susceptibility region is that external magnets enter magnetic susceptibility region to being detached from
The total duration in magnetic susceptibility region is rested in journey.Within the unit time, protected after entering magnetic susceptibility region by operation external magnets
The time span held realizes that coding handles through CPU and judges that is, by judging that the pulse width of magnet-sensitive element output realizes coding
After export corresponding control instruction to execute pre-set correlation function.The instruction for being illustrated in figure 3 response signal combination is compiled
Another embodiment of code, waveform 3 and waveform 4 represent t in figure0To t1The sound of two kinds of different durations in unit interval
The instruction encoding of induction signal combination.Waveform 3 records in unit interval as we know from the figure enters magnetic susceptibility region to being detached from
The total duration that magnetic susceptibility region is rested in journey, which is less than during waveform 4 enters magnetic susceptibility region to disengaging, rests on magnetosensitive sensillary area
The total duration in domain.Different durations are that may be encoded as the corresponding operation control for executing different operation to realization to target device
System.
The external magnets, which enter the frequency in magnetic susceptibility region and duration, can also combine and be encoded.Such as Fig. 4 institute
It is shown as the third embodiment of the instruction encoding of response signal combination, waveform 5 and waveform 6 represent t in figure0To t1Unit time
The instruction encoding that frequency is combined with the different response signals of two kinds of features of duration is combined in section.Waveform 5 and waveform 6 are in list
The total magnetic susceptibility region that enters of record external magnets is 3 times in the period of position, i.e. frequency is 3;Waveform 6 compare waveform 5 its
The duration that third time enters magnetic susceptibility region is longer, therefore waveform 5 can be encoded to short-short-short, and waveform 6 is encoded to
It is short-short-long, to realize corresponding execution different operation.
Single magnet-sensitive switch, which is arranged, in the present invention can be completed various states control function, by external magnets in the unit time
The interior time for entering magnet-sensitive element magnetic susceptibility regional sustained into the number or external magnets in magnet-sensitive element magnetic susceptibility region
Length forms a variety of coded commands, so that controlling electronic devices executes different movements, such as passes through its controlling electronic devices
Machine open/close, wake-up, the execution for the multiple functions state such as execute certain operational order.Be construed as being formed " pulse " code or " when
It is long " code, it is analyzed by being sent to CPU after response signal detection circuit detection processing, it is finally defeated according to the result of judgement by CPU
Corresponding control instruction out is finally completed corresponding function control operation.It is unsuitable that the present invention is suitable for electronic equipment casing surface
Mechanically actuated key is set and shell needs the device of waterproof.
The foregoing is merely the preferable specific embodiments of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (10)
1. a kind of coding control method based on magnetosensitive, which comprises the following steps:
A, setting includes that the magnetosensitive of magnet-sensitive element is opened on the inside of the target device shell appropriate area for carrying out control operation
It closes, forms the magnetic susceptibility region for entering to external magnets and generating response signal on the outside of the shell appropriate area;
B, be connected magnet-sensitive switch with control module the response signal for making control module receive magnet-sensitive switch generation;
C, control module is connected with output module makes output module instruct output corresponding according to the different operation of control module
Operational motion;
D, the instruction encoding of the different response signal combination of the several groups of several different operation instructions of the specified triggering of editor's setting, institute
It states response signal group and is combined into external magnets and enter the number in magnetic susceptibility region and/or the various combination of duration;
G, when external magnets enter magnetic susceptibility region, control module receives response signal and judges whether to meet preparatory editor
The instruction encoding of the response signal combination of setting;
H1, meet the instruction of the response signal combination of a certain preparatory editor's setting when the response signal that receives of control module judgement
When coding, control module sends the operational order for the specified triggering of instruction encoding that the response signal combines, output to output module
Module receives operational order and exports the corresponding operational motion of the operational order;
H2, the finger of the response signal combination of any preparatory editor's setting is not met when the response signal that receives of control module judgement
Enable coding when, control module to output module send control false command, output module receive control false command and to
Family feedback control error message.
2. the method as described in claim 1, which is characterized in that the magnet-sensitive element uses hall device or reed switch.
3. the method as described in claim 1, which is characterized in that in step G, the control module first generates magnet-sensitive switch
Response signal carry out level conversion and/or shaping filter and eliminate the instruction combined again with pre-set response signal after interference
Coding judgement comparison exports operational order specified by the response signal.
4. the method as described in claim 1, which is characterized in that in step H1 and H2, the output module refers to according to operation
It enables and exports corresponding operational motion, and is wrong according to operational order or control false command output operational order prompt information or control
False information.
5. the method as described in one of Claims 1-4, which is characterized in that in step D, the external magnets enter magnetosensitive
The frequency in sensillary area domain is the total degree that external magnets enter magnetic susceptibility region within a certain period of time, and external magnets enter magnetic susceptibility
The process that region is detached from again, which is denoted as, once enters magnetic susceptibility region;The duration that the external magnets enter magnetic susceptibility region is
External magnets enter the total duration that magnetic susceptibility region rests on magnetic susceptibility region to during being detached from.
6. the method as described in one of Claims 1-4, which is characterized in that the step D further includes editor's setting particular safety
The instruction encoding of response signal combination.
7. method as claimed in claim 6, which is characterized in that further comprising the steps of:
E, when user enters magnetic susceptibility region using external magnets, control module receives response signal and preferentially judges whether
Meet the instruction encoding of the particular safety response signal combination of editor's setting in advance.
8. the method for claim 7, which is characterized in that further comprising the steps of:
F, when the response signal that control module judgement receives meets the instruction encoding of particular safety response signal combination, allow
User carries out further control operation and is verified instruction to output module transmission simultaneously, and output module, which receives, is verified finger
It enables and is verified information to user feedback, enter back into G and H1, H2 step;When the response letter that control module judgement receives
When number not meeting the instruction encoding of particular safety response signal combination, user is not allowed to carry out further control operation simultaneously to defeated
Module sends verifying not by instruction out, and output module receives verifying and do not pass through letter by instruction and to user feedback verifying
Breath.
9. a kind of coding-control switching system based on magnetosensitive, which is characterized in that including target device and external magnets;The mesh
Marking device includes shell and is respectively provided with magnet-sensitive switch, control module and output module inside the shell;The magnet-sensitive switch
Including magnet-sensitive element, the magnetosensitive sensillary area for entering to external magnets and generating response signal is formed on the outside of the shell appropriate area
Domain;The control module includes response signal detection circuit and central processing unit, and the response signal detection circuit is opened with magnetosensitive
It closes and is connected and the response signal that magnet-sensitive switch generates is subjected to Signal Pretreatment and is sent to central processing unit;The signal is pre-
Processing includes that level conversion and/or shaping filter eliminate interference;The central processing unit connection response signal deteching circuit, will connect
The instruction encoding judgement comparison that the response signal received is combined with pre-set response signal exports specified by the response signal
Operational order;The output module includes function control output subsystem and signal designation output subsystem;The function control
Output subsystem processed exports corresponding operational motion according to operational order, and the signal designation output subsystem is according to operational order
Or control false command exports operational order prompt information or control error message.
10. system as claimed in claim 9, which is characterized in that it is several not that the central processing unit presets specified triggering
The instruction encoding of the different response signal combination of the several groups of biconditional operation instruction, the response signal group are combined into external magnets entrance
The number in magnetic susceptibility region and/or the various combination of duration;
And/or the magnet-sensitive element is hall device or reed switch;
And/or the signal designation output subsystem includes display screen, indicator light and/or sounding device.
Priority Applications (1)
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CN201910789170.5A CN110535456B (en) | 2019-08-26 | 2019-08-26 | Code control method and switch system based on magnetosensitive |
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