CN108158719A - A kind of electric welder's helmet and its control method - Google Patents
A kind of electric welder's helmet and its control method Download PDFInfo
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- CN108158719A CN108158719A CN201611113288.9A CN201611113288A CN108158719A CN 108158719 A CN108158719 A CN 108158719A CN 201611113288 A CN201611113288 A CN 201611113288A CN 108158719 A CN108158719 A CN 108158719A
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- 230000005622 photoelectricity Effects 0.000 claims abstract description 23
- 230000009471 action Effects 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims description 31
- 230000006870 function Effects 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 17
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- 238000003825 pressing Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 14
- 238000001514 detection method Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 5
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- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
- A61F9/06—Masks, shields or hoods for welders
- A61F9/065—Masks, shields or hoods for welders use of particular optical filters
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- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Arc Welding Control (AREA)
Abstract
The present invention provides a kind of electric welder's helmet and its control method：Include mask shell（1）, headband（2）And variable photoelectricity weldering filter（3）, headband（2）And variable photoelectricity weldering filter（3）It is installed on mask shell（1）On, variable photoelectricity welds filter（3）Importation（41 figures do not mark）It is also mounted at mask shell（1）On, importation（41 figures do not mark）Including input module（43 figures do not mark）, input housing（45）And conducting wire（46）；Operating personnel can pass through input module（43 figures do not mark）Three kinds of different actions are completed, above-mentioned three kinds of different actions can make input module（43 figures do not mark）To control section（32 figures do not mark）Input three kinds of different semaphores；So that operating personnel can pass through importation（41 figures do not mark）It is functional to electric welder's helmet institute to be operated and controlled so that electric welder's helmet, which easily facilitates, to be controlled and used.
Description
Technical field
The present invention relates to a kind of electric welder's helmet, more particularly to a kind of electric welder's helmet and its control method for facilitating control.
Background technology
Electric welder's helmet is people's protective articles indispensable in electric welding, and the electric welder's helmet of early stage uses the glass of a high color number
Observation window when glass optical filter is as welding, when not having electro-welding arc, removes entire mask or observation window, by face after being ready to
Cover or observation window reset, and then start to be welded, and this welding mask is covered with blind weldering, is unable to the shortcomings of thorough liberation both hands；Go out later
Showed a kind of electric welder's helmet of observation window when using LCD or LCD and filter set cooperation to weld, no arclight when
It waits as low color number, user can penetrate observation window and observe, and during electric welding, electric welder's helmet receives electric arc optical signal or electromagnetism letter
Number, LCD darkenings are driven, become high color number, the operation of electric welding can be observed by observation window at this time；Effect is fine, but at present
The mode of knob and switch that this kind of electric welder's helmet all employs multiple functional independences carries out state modulator, is brought to user all
It is mostly inconvenient.
Chinese utility model CN203619771U discloses a kind of electric welder's helmet, the combination being superimposed using LCD with optical filter
As observation window, when electric welding front and rear preparation, LCD be in low color number（Such as No. 2-5）, user can be straight at this time
It connects and observes workpiece through observation window；During electric welding, electric welder's helmet receives electric arc optical signal, drives LCD darkenings, becomes high color number, and
This high color number（Such as No. 7-16）It is adjustable, user can be directed through observation window observation welded condition at this time；Complete electric welding
LCD again can be with the low color state of auto-returned afterwards, therefore does not need to frequently move using hand as traditional electric welder's helmet
Mask or observation window improve welding quality and efficiency, and effect is fine, but the state modulator of above-mentioned electric welder's helmet（Color number
Reaction delay grade after grade, the sensitivity level photosensitive to arclight or arclight disappearance etc.）It needs to pass through welding mask
Variable photoelectricity welds multiple small-sized knobs on filter or switchs to complete in cover, these knobs or switch are each only single
Function, such as：The grade setting knob of color number, using rotational potentiometer and peripheral circuit（Generally adjustable output voltage amplifies
Circuit or follower）To control the volt value of driving voltage on LCD；Other knobs（Such as to the photosensitive sensitivity of arclight or
It is reaction delay after arclight disappears etc.）Also identical principle is used；And it switchs the control for being then used for power supply, self-test or beats
The functions such as mill；This control mode so that operating personnel need first by electric welder's helmet from the beginning on take, then hand fixes electricity
Welding mask, another hand stretches into the different knob of electric welder's helmet debugging after taking off welding protective gloves or switch reaches respectively to not
The purpose that same parameter is controlled, completes after adjusting, can just put on electric welder's helmet and restart work, not only influences work effect
Rate, and function is single and the respective this mode of independent multiple knobs or switch control electric welder's helmet parameters, for behaviour
The use for making personnel is also extremely inconvenient.
Invention content
It, can be with the technical problem to be solved in the present invention is to provide a kind of operating personnel in the case where not taking electric welder's helmet
The electric welder's helmet and its control method that the parameters of electric welder's helmet are selected and debugged by single input module.
To solve the above problems, electric welder's helmet of the present invention：It welds and filters comprising mask shell, headband and variable photoelectricity
Mirror, headband and variable photoelectricity weldering filter are installed on mask shell, and variable photoelectricity weldering filter is by filter housing, filter group, control
Partly, output par, c and importation composition are shown；Importation is mounted on mask shell, including housing unit and input group
Part, housing unit are made of input housing and conducting wire, and above-mentioned input module is installed in input housing, and passes through conducting wire and control
Part is electrically connected；Operating personnel can complete three kinds of different actions by input module, and above-mentioned three kinds of different actions can be with
Input module is made to input three kinds of different semaphores to control section；Above-mentioned input module is by handle, rotational potentiometer and touches
Switch composition, handle is by a knob and is installed on the protrusion axle in its axle center and forms, rotational potentiometer use hollow shaft section for
The hollow shaft rotational potentiometer of hexagon or rectangle, above-mentioned protrusion axle pass through portion cross-sectional shape and rotation in rotational potentiometer
The section of potentiometer hollow shaft is similar, but sectional area is smaller, when ensureing that protrusion axle is installed in rotational potentiometer, rotates handle
The hollow shaft rotation of rotational potentiometer can be driven to change the resistance value of rotational potentiometer, and handle can be along it under external force
Axis moves reciprocatingly；Touch-switch is longitudinally mounted in input housing with rotational potentiometer, and the protrusion axle of handle passes through input
The button part of the hollow shaft and touch-switch of housing and rotational potentiometer fits together, the button of protrusion axle and touch-switch
Sectional area of the partial cross section product together more than the hollow shaft of rotational potentiometer is partly arranged at, to ensure that protrusion axle can be consolidated
Due in rotational potentiometer；When the knob of operating personnel's grips said handle, handle can be rotated to both direction so that electric rotating
The resistance value two-way change therewith of position device, operating personnel press or during release handles, and the protrusion axle on handle can to touch out
Pass is switched on or switched off, and a switches digital is exported with this；Or above-mentioned input module is by handle and rotary coding switch group
Into touch-switch built in rotary coding switch, rotary coding switch is installed in input housing, and handle is installed on rotary coding and opens
It closes on the axis exposed in input housing；When operating personnel's grips said handle, handle can be rotated to both direction so that rotation is compiled
Code switch output can be by control part analysis direction of rotation and the pulse signal of angle, and operating personnel press or release handle
When, rotary coding switch can export a switches digital；Input module can also be by handle and multi-functional thumbwheel switch
Composition, operating personnel can stir handle to both direction, direction and number can be stirred by control part analysis so as to export
Pulse signal, operating personnel press or during release handles, and multi-functional thumbwheel switch can export a switches digital.
Above-mentioned display output par, c is located at variable photoelectricity and welds filter towards human eye side, by display module, survey optical module and
Sound output module forms, and display module is LED or the LCD display with backlight, is divided into Items instruction area and parameter
Viewing area, parameter display area is using the size of integer number, fractional digit or LED figures instruction parameter value, Items instruction
Area is using number, letter, figure or LED indication parameter generic；The number that is shown on above-mentioned LCD or light-emitting diode display, word
Female, figure or LED ensure that operating personnel it can show content when wearing or take electric welder's helmet by discernable by eye；Survey light
The effect of module is by measuring the ambient light at display module, and LED or LCD backlight luminous intensity are controlled in this, as control section
Foundation, the unlatching of LED or LCD backlight and extinguishing controls by control section；The effect of sound output module is output sound letter
Number；Variable photoelectricity weldering filter has battery component, and battery component is made of at least one battery and hardware connection sheet, and above-mentioned battery leads to
Cross that hardware connection sheet is replaceable to be assemblied in housing unit or filter housing, for powering for electric welder's helmet.
The control method of above-mentioned electric welder's helmet, comprises the steps of：
Step 1: operating personnel's operation handle, by rotating or stirring handle to two different directions, drives input module to control
System part inputs two kinds of semaphores of different conditions, the control section semaphore different by parsing above two, to currently selecting
In parameter, such as the numerical grade of color number, sensitivity level, delay grade carry out increaseing or decreasing operation, and update display
The drive signal of output par, c, to show modified parameter；It is by way of rotating or stirring handle and control above-mentioned parameter
When being rotated to a direction or stirring handle so that the value of parameter current reaches preset maximum or minimum value, continue rotating Vortex
Or handle is stirred, above-mentioned parameter will keep maximum or minimum value, until rotating round about or stirring handle, above-mentioned parameter is
It can be decreased or increased to current maximum or opposite minimum value direction；Alternatively, control above-mentioned parameter by rotating or stirring handle
Mode to be rotated to a direction or stirring handle so that the value of parameter current reaches preset maximum or minimum value when, continue
Rotating Vortex stirs handle, and above-mentioned parameter will be directly from current border value --- and maximum value or minimum value become another boundary
Value, i.e. minimum value or maximum value continue to adjust in the same direction, and parameter can increase or reduce；Step 2: operating personnel's operation handle, leads to
It crosses and presses and release handle, input module can be driven to input a switching signal to control section, control section passes through detection
Above-mentioned switching signal, the project that can be adjusted by preset order handoff parameter project to needs determine currently to need to adjust
Be color grade, sensitivity level, delay grade or other functions in it is any, and update display output par, c drive
Signal is moved to show the data of new Items；The i.e. adjustable parameter currently chosen of action of step 1 is repeated at this time
Value；Operating personnel can switch different Items, and pass through and press and unclamp hand by rotating or stirring the action of handle
The value of the action adjustment parameter of handle；The sequence for switching different Items rotates or stirs hand for unidirectional to a direction
Handle continues to adjust in the same direction after Items to be switched to some scheduled boundary value, and above-mentioned parameter project will not be sent out again
Changing needs the direction that change rotates or stir handle that could continue to adjust above-mentioned parameter project until another preset side
Dividing value；Or the sequence of the different Items of switching is that do not have directive, i.e., rotating or stir handle to a direction will join
Several mesh continue to adjust above-mentioned parameter project in the same direction after being switched to some scheduled boundary value, it will be made to be directly switch to another
Preset boundary value is further continued for adjusting；Press and the value of the action adjustment parameter of release handle by way of be according to preset
Mode carries out cycle adjusting.
Above-mentioned control section can be detected the pitch time of operating personnel's operation input section, more than Items
Set the time after, as change occurred for Items, by automatic reduction be preset Items, above-mentioned parameter item setup
Time can be set and be removed by control section；Control section can also to the pitch time of operating personnel's operation input section into
Row detection, operating personnel press or stir handle make its one-way conduction operating time be less than the operation judges time when, carry out just
Normal parameter or Items are adjusted；Operating personnel, which press or stir handle, is equal to or more than the operating time of its one-way conduction
During the operation judges time, switching on and shutting down, self-test are carried out, continuously adjusts and current value is quickly changed to preset limit value etc.
Special operation.
By the above-mentioned means, when operating personnel need that the parameter of electric welder's helmet is adjusted, do not need to again from
Electric welder's helmet is taken on head, corresponding parameter is controlled by the multiple knobs of two hand adjustment sections and switch, but can worn
（Normal work）In the state of, it is singlehanded that the parameters of electric welder's helmet easily select and adjust by single component,
Not only accelerate working efficiency, but also easily facilitate the operation of user.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the structure diagram of the first embodiment of the invention.
Fig. 2 is the schematic diagram of the first embodiment of the invention.
Fig. 3 is the schematic diagram of the first embodiment importation of the invention.
Fig. 4 is the schematic diagram of the first embodiment display module of the invention.
Fig. 5 is the flow chart of the first embodiment control method of the invention.
Fig. 6 is the schematic diagram of second of embodiment importation of the invention.
Fig. 7 is the schematic diagram of the variable photoelectricity weldering filter of second of embodiment of the invention.
Fig. 8 is the flow chart of second of embodiment control method of the invention.
Fig. 9 is the schematic diagram of the third embodiment importation of the invention.
Specific embodiment
（The first embodiment）
Such as the structure diagram of Fig. 1, electric welder's helmet is made of mask shell 1, headband 2 and variable photoelectricity weldering filter 3, headband 2 and
Variable photoelectricity weldering filter 3 is installed on mask shell 1, and display output par, c 40 is located at variable photoelectricity and welds filter 3 towards human eye one
Side, importation（41 figures do not mark）It is also mounted on mask shell 1, handle 47 is located at the outside of mask shell 1, inputs housing
45 are installed on the inside of mask shell 1, input module（43 is not shown）It is installed in input housing 45, and passes through conducting wire 46 and control
Part processed（32 is not shown）Electrical connection, in this way, the selection and debugging of operating personnel's all parameters to electric welder's helmet are all
It can be by being located on the left of mask exterior（During normal wearing electric welder's helmet）Handle 47 complete, while operating personnel can be direct
By showing content and sound output that output par, c 40 shows the process that controls to adjust and judging final result.
Fig. 2 is the circuit diagram of the first of the invention embodiment, control section 32, filter group 31 and display output section
40, importation 41 is divided to be electrically connected：The effect of control section 32 is：Main control chip 70 is examined by sensor 73 and electric welding
After slowdown monitoring circuit 72 detects the arclight or electromagnetic wave that electric welding generates, i.e., believed by the level that filter group driving circuit 71 is sent out
Number driving filter group 31, main control chip 70 using MSP430 series monolithics or using other low-power scms such as
The microcontroller of C8051F series can also use low-power consumption arm7 family chips or dsp chip etc.；Sensor 73 is using photosensitive
The amplifying circuit or amplifier amplifying circuit of discrete device composition may be used in diode or coil, electric welding detection circuit 72；Filter
Microscope group driving circuit 71 may be used the driving circuit that is such as formed using CD4047 or CD4069 chips as core or by separator
The similar circuit of part composition；Foregoing circuit module has many examples in the prior art, does not do excessive description herein.
Importation 41 is made of input module 43 and battery component 44, and passes through conducting wire（46 is not shown）With control section
32 electrical connections, battery component 44 are composed in series by two section CR2430 button lithium batteries, and electric energy is provided for electric welder's helmet；Input module
43 by rotational potentiometer PR1（48 are not marked in figure）And touch-switch S1（49 are not marked in figure）Composition, rotational potentiometer PR1
（48 are not marked in figure）Resistance value passes through D1, Q1, C1, R2 and R3 group after 10K-10M, with resistor R1 composition potential-divider networks
Into amplifying circuit（It can not be direct-connected by amplifying circuit in the case of permission or be connected by follower）It is connected to master control
The ADC ports of chip 70, such rotational potentiometer PR1（48 are not marked in figure）When positioned at both ends and midpoint（I.e. resistance value it is minimum,
Maximum and stage casing）Main control chip 70 can detect small, big and medium three numerical value, such as：Bulk potential device PR1 is in 0,100k
And during 50K, the ADC ports of main control chip 70 can obtain tri- voltages of 1V, 3V and 2V, the ADC programs inside main control chip 70
240,409 and 649 3 numbers can be converted into（Main control chip is 12 ADC, reference voltage 5V）；It is actually using
When, main control part 32 is at regular intervals（Such as 10-100ms）With regard to carrying out an ADC conversion, you can know rotational potentiometer PR1
（48 are not marked in figure）Current absolute position is compared with the boundary number of 240,409 and 649 3 ADC samplings, you can
Obtain rotational potentiometer PR1（48 are not marked in figure）Current relative position is compared with the value of last ADC, can be obtained
To rotational potentiometer PR1（48 are not marked in figure）Current direction of rotation.
Display output par, c 40 is made of display module 55, survey optical module 56 and sound output module 57, display module 55
To carry the LCD display of backlight module, backlight module luminescent device is D3, and brightness is exported by main control part 32 using PWM
Driving Q4 is controlled after the filter circuit that pin is made up of R10, C3, i.e., reaches adjusting display mould by changing the duty ratio of PWM
The purpose of 55 backlight illumination of block；Optical module 56 is surveyed using photo resistance R7, resistor network（R5 and R8）After the bleeder circuit of composition,
Pass through amplifying circuit（R6 and Q3）The ADC ports of main control chip 70 are connected to, effect is by the ambient light at display module 55
Be converted to electric signal, this electric signal in order to control part 32 control LCD backlight luminous intensity foundation, i.e., when ambient light is stronger
The brightness of display module 55 is also bigger, ensures the effect of display with this and saves electricity；LED can also be controlled using this mode
The brightness of display（Such as using the voltage of pwm signal control LED network common-anode）, photodiode or silicon light can also be used
Battery substitutes photo resistance R7, in the case of permission, it is convenient to omit amplifying circuit；Sound output module 57 use buzzer for
Microphone device is controlled the output of the voice signals such as prompting, alarm by control section 32.
Fig. 3 is the schematic diagram of the first embodiment importation of the invention, is such as schemed, importation housing 1, input
Partial shell 2 92 and importation housing 3 93, composition input housing（45 figures do not mark）, input module 43 is by handle（Life
Entitled 47 are made of knob 50 and protrusion axle 51）, rotational potentiometer 48 and touch-switch 49 form, protrusion axle 51 is installed on knob
50 axle center, mounting means rotate current potential using widely applied rotational potentiometer axis and the tight fit mounting means of knob
Device 48 uses hollow shaft section as hexagon or the hollow shaft rotational potentiometer of rectangle, the cross sectional shape of protrusion axle 51（Across rotation
Turn the part of potentiometer 48）It is similar to the section of 48 hollow shaft of rotational potentiometer, but sectional area is smaller, ensures that protrusion axle 51 is pacified
During loaded in rotational potentiometer 48, turn knob 50 can drive the hollow shaft of rotational potentiometer 48 to rotate to change rotation current potential
The resistance value of device 48, and knob 50 can move reciprocatingly under external force along its axis；Touch-switch 49 and rotational potentiometer 48
It is longitudinally mounted in input housing（45 figures do not mark）On interior importation circuit board 62, protrusion axle 51 passes through importation housing
1 and the button part of hollow shaft and touch-switch 49 of rotational potentiometer 48 fit together, protrusion axle 51 and touch-switch
The partial cross section product that 49 button part fits together is more than the sectional area of the hollow shaft of rotational potentiometer 48, to ensure to protrude
Axis 51 can be fixed in rotational potentiometer 48；It, can be to such as figure " R+ " and " R- " two when operating personnel pinch knob 50
A direction turn knob 50 so that the resistance value of rotational potentiometer 48 two-way change therewith（It increases or reduces）, operating personnel are such as
When figure " Z " direction presses or unclamps knob 50, the protrusion axle 51 on knob 50 can cause touch-switch 49 to be switched on or switched off；Gently
It touches switch 49 and passes through conducting wire（46 is not shown）With control section（32 is not shown）Main control chip（70 is not shown）Electrical connection, such as
This, can be by main control chip when touch-switch 49, which is switched on or switched off, generates switching signal（70 is not shown）It detects.
Battery component（44 figures do not mark）By two batteries 60（CR2430 button lithium batteries）And hardware connection sheet 61 forms,
Above-mentioned hardware connection sheet 61 is installed on importation circuit board 62, and importation housing 3 93 can be in the feelings for not needing to tool
Under condition, installed or removed along " Y " direction in figure by operating personnel or hinge-type can also be used to overturn structure, this two
Kind structure has many application examples in the prior art；When importation housing 3 93 is removed or is opened, operator
Two overlappings of battery 60 can be installed in hardware connection sheet 61 or be removed by member, and the replacement of battery 60 is completed with this.
Fig. 4 is the schematic diagram of the first of the invention embodiment display module, display module（55 figures do not mark）To carry
The segment encode liquid crystal display of backlight module, as figure is divided into two regions --- Items indicate area 58 and parameter display area 59,
Using the size of two integers and a decimal instruction parameter value, Items instruction area 58 uses two groups of words for parameter display area 59
A female and group picture case display parameters project；Wherein, " SENS ", " DELAY " and " SHADE " represents sensitivity level, prolongs respectively
When grade and color grade, corresponding letter is shown in being elected to after some function, the number of work-in parameters viewing area 59 can be shown
Show current parameter value, " G " for showing polishing state, the number of parameter display area 59 is shown as illuminated state while " G " is shown
The numerical value of color number, such as 4.0；" T " for showing gas cutting state, when " T " is shown, the number of parameter display area 59 shows gas cutting number
Value, such as 7.0；" A " and " L " is for showing automatic function and color number segmentation switching, quilt when different Items are switched
Display；The cell pattern in the upper left corner is used to show the capacity of battery 60 and indicates low battery report by the flicker of outline border
It is alert；The size of above-mentioned number, letter and pattern welds filter in variable photoelectricity（3 is not shown）Size should be use up in the case of allowing can
Can it is big, to ensure that operating personnel wear or while taking electric welder's helmet can be by discernable by eye, such as parameter display area 59
Integer part variable photoelectricity weld filter（3 is not shown）When size is 110x90mm, 15*6mm had better not be less than（It is single
A number）, alphabetical size had better not be less than 3*0.8mm in Items instruction area 58（Single letter）.
Fig. 5 is the flow chart of the first embodiment control method of the invention, and variable photoelectricity welds filter（3 is not shown）It powers on
After completing initialization, cycle operation flow is initially entered, transports all programs according to preset order in each workflow
Row one time（Flag bit is also only set in interruption using the detection such as touch-switch 49 of interrupt mode, and in workflow
Judged accordingly by detecting flag bit）, the cycle operation flow first step is to rotational potentiometer（48 is not shown）Into
Row ADC is sampled, and is compared with the value of last time storage, second step is carried out if not changing, with upper one if changing
Sub-value compares, you can obtains current handle（47 is not shown）Direction of rotation, and the difference that both can be calculated（If the
It once powers on or the value of last storage is more than the ADC maximum or minimum value to prestore, then caused with rotational potentiometer adjusting intermediate
The ADC values of position compare）, this difference is removed into preset adjusting resolution ratio（The ADC electricity brought such as the rotation of external rotational potentiometer
Pressure value changes ranging from 1V-3V, and it is 50 values such as 8.5-13.4 to need corresponding color number value, then resolution ratio is（3V-1V）/50
=40mv, corresponding delay grade are 10 values of 0.1-1 seconds, then resolution ratio is 200mv）It can calculate or table look-up by program（Such as adopt
With the common lookup table mode of microcontroller it can directly correspond to pre-stored value, you can omission judges direction）Obtain institute
Corresponding parameter is needed, and which parameter specifically corresponded to（Sensitivity level, delay grade and color grade）It is selected by Items
Label is selected to determine, and it is color grade that the Items selected marker given tacit consent to is corresponding, obtains above-mentioned updated item argument
（Such as new color grade）Afterwards, it needs to update new control parameter（For color grade DAC or PWM count according to, for be delayed etc.
The time stamp of grade or the I/O port data for sensitivity level output）And refresh display output par, c（40 is not shown）Driving
Signal, for updating output par, c（40 is not shown）Display module（55 is not shown）And sound output module（57 is not shown）
Picture and sound output；Second step is judges touch-switch（49 is not shown）Whether it is pressed, such as detects and press flag bit,
Elimination dithering process is then carried out, the judgement whether button discharges then is carried out, in the process, judges the operation judges time 71,
It is that normal Items are adjusted（Such as discharged in 1 second）Still it presses for a long time（If the time pressed always was more than 2 seconds）Into
Row special operation（Such as self-test）, normal Items are adjusted according to color grade, delay grade, sensitivity level and other
The predetermined order of Items carries out being circularly set Items selected marker；It may be inserted into various user's journeys behind second step
Sequence, as environment temperature detection, response external are interrupted（Detect electric welding signal）Or remove Watch Dog Timer etc.；Terminating this
Final step is timing before secondary flow, judges that Items set the time 72, is such as more than preset time（1 minute, 3 minutes or 5 points
Clock）And in this preset time operating personnel not over importation（41 is not shown）Carried out input（Whether rotation makes
Potentiometer resistance changes or 47 adjustment parameter project of push-turn key）, then Items will be by main control part（32 is not shown）It is extensive
It is the parameter regulation of default value, that is, color grade again, as operating personnel pass through importation in preset time（41 is not shown）It carries out
Input is crossed, then above-mentioned timing will be by main control part（32 is not shown）It resets（That is the timing since new）；Such as：Push-turn key 47 is adjusted
Save Items for delay grade after, turn knob 47 complete delay grade adjusting, then for a long time not by knob 47 into
Went input, then control section（32 is not shown）Items are reverted into default value, and refresh display content, operating personnel
Again turn knob 47 by adjusting be color grade and non-delayed grade.
（Second of embodiment）
Fig. 6 is the schematic diagram of second of embodiment importation of the invention, above-mentioned input module（43 figures do not mark）By handle
47 and rotary coding switch 52 form, rotary coding switch 52 be built-in touch-switch 5 foot type, every 360 degree of 24 anchor points
And each 24 pulses output of AB two-phases, rotary coding switch 52 are installed in input housing 45, handle 47 is cylinder, is installed on
Rotary coding switch 52 exposes on the axis in input housing 45；One of foot of 52 pulse output pin of rotary coding switch with
Main control chip（70 is not shown）External trigger foot be connected, another pulse output pin and main control chip（70 is not shown）It is general
Logical I/O port is connected, and the connection method of built-in touch-switch is：Ensure by key pressing to complete machine powering function and external interrupt wakeup
Main control chip（70 is not shown）Multiplexing functions（Have in the prior art all one key switch machines of multiple single chip microcomputer and keypress function multiplexing
Circuit does not elaborate herein）；When operating personnel's grips said handle 47,360 degree of " R " direction bidirectional rotation can be such as being schemed
Handle 47 so that rotary coding switch 52 exports two pulse signals, which can be by main control chip（70 is not shown）
The direction and angle value that parsing rotation handle 47 rotates, operating personnel are pressed in such as figure " Z " direction or release handle（47）When,
Rotary coding switch（52）A switches digital can be exported.
Fig. 7 is the partial sectional schematic diagram of the variable photoelectricity weldering filter of second of embodiment of the invention, is such as schemed, importation
41 are linked together using flat conductor with filter housing 30, show output par, c（40 figures do not mark）It welds and filters positioned at variable photoelectricity
Mirror（3 figures do not mark）Towards human eye side, by display module（55 figures do not mark）, survey 57 groups of optical module 56 and sound output module
Into display module（55 figures do not mark）For multiple LED, it is divided into Items instruction area 58 and the parameter display area 59 of sector；Ginseng
Three indicator lights in several mesh instruction areas 58 are respectively used to instruction color grade, sensitivity level and time of return grade, fan-shaped
Parameter display area 59 use LED（5 or multiple）The position lighted and the size of quantity instruction parameter, above-mentioned LED can be adopted
Different colors can also be used with solid color, and usually in the state do not lighted, when operating personnel pass through importation 41
When adjusting electric welder's helmet parameter, output par, c is shown（40 figures do not mark）It starts to work, after LED is lighted to adjusting, shows again
Show output par, c（40 is not shown）Delay working is for a period of time（Such as 2-5 seconds）After be stopped, LED extinguish；Survey optical module 56 and
Sound output module 57 is located in filter housing 30, and trepanning exports for surveying light and sound on it.
Battery component（44 figures do not mark）By battery 60（CR2430 button lithium batteries）And hardware connection sheet 61 forms, it is above-mentioned
Hardware connection sheet 61 is installed in filter housing 30, is installed or removed along the direction of the arrow in Fig. by operating personnel, complete with this
Into the replacement of battery 60.
Fig. 7 is the flow chart of second of embodiment control method of the invention, and variable photoelectricity welds filter（3 is not shown）It powers on
After completing initialization, the touch-switch first to outside multiplexing（Switching on and shutting down and button）Time 73 of pressing judged, do not surpass
Cross preset time（Such as less than 2 seconds）It is not switched on then, normal boot-strap enters cycle operation flow, cycle operation stream if more than 2 seconds
The journey first step is judges whether there is rotary coding switch（52 is not shown）The pulse of output is rotated, if any the direction for then judging rotation
And calculate the angle of rotation（Pass through the quantity of pulse）, corresponding parameter required for obtaining then is calculated or tables look-up by program,
And which parameter specifically corresponded to（Sensitivity level, delay grade and color grade）It is determined, given tacit consent to by Items selected marker
Items selected marker it is corresponding be color grade, obtain above-mentioned updated item argument（Such as new color grade）
Afterwards, it needs to update new control parameter and refreshes display output par, c（40 is not shown）Drive signal；Second step is light to judge
Whether tactile switch is pressed, and such as detects and presses flag bit, then carries out elimination dithering process, then carries out what whether button discharged
Judge, in the process, judge the operation judges time 71, be that normal Items are adjusted or long-time is pressed and shut down
Operation, normal Items are adjusted according to the predetermined suitable of color grade, delay grade, sensitivity level and other Items
Sequence carries out cycle adjusting；It may be inserted into various user programs below；Final step is timing before this flow is terminated, and judgement is
No is more than that Items set the time 72, and Items will be by main control part if being more than preset time（32 is not shown）It reverts to
The parameter regulation of default value, that is, color grade；As operating personnel pass through importation in preset time（41 is not shown）It carried out defeated
Enter, then above-mentioned timing will be by main control part（32 is not shown）It resets（That is the timing since new）.
（The third embodiment）
Fig. 9 is the schematic diagram of the third of the invention embodiment importation, input module（43 icons go out）By handle 47 and more
Function thumbwheel switch 53 forms, and there are three switching values for the multi-functional use of thumbwheel switch 53（Two are stirred direction and a pressing side
To when handle is struck or presses to certain direction, corresponding pin will export a switching value）The model of output（As A Er is inferior
This SLLB type）, operating personnel " Y+ ", " Y- " both direction can stir handle 43 into figure, can be by control unit so as to export
Point（32 is not shown）The pulse signal in direction is stirred in parsing, and operating personnel press in " Z " direction into figure or release handle（47）When,
Multi-functional thumbwheel switch（53）A switches digital can be exported.
The method of control electric welder's helmet is similar with second of embodiment using the above structure, and difference lies in work as operating personnel
Stir handle to some direction so that this direction of multi-functional thumbwheel switch 53 output switching value be constantly in closed state when
Between be more than preset time（Such as more than 2 seconds）When, it can realize continuously adjusting for parameter current, such as be connected for a long time（Such as more than 3
Second）, then the parameter currently adjusted can be directly disposed as to preset minimum or maximum boundary value.
For first and second two kinds of embodiments of the invention, the conventional method of control electric welder's helmet is presses or pine
Open the switching between the completion different parameters project of handle 47（Such as electric welder's helmet Items for color grade, delay grade and
Sensitivity level or other functions）；Cyclic switching in a predetermined sequence is switched to Items；By to both direction
Rotation handle 47 carrys out the value of adjustment parameter, for example color grade corresponds to 50 color number outputs such as 8.5-13.4（Or it is not with 0.1
0.1 multiple, such as 0.2 may be used in resolution ratio --- then correspond to 25 color number outputs）, delay grade correspond to 0.1-1 seconds etc.
10 grades, sensitivity level correspond to 8 grades such as 1-8, and for example one, rotational potentiometer 48 is restricted to 300 degree or so
Rotation angle, then rotational potentiometer 48 boundary for corresponding to the position that can not be adjusted corresponding parametric values is adjusted to both direction
Value（Such as 8.5/13.4,0.1/1.0 or 1/8）, for example two, rotary coding switch 52 can then be passed through with two-way 360 degree rotation
When rotation handle 47 carrys out the value of adjustment parameter, if adjusted to a direction to boundary value（Such as minimum value）, continue to this direction
Handle 47 is rotated, above-mentioned boundary value can be kept constant, only changes direction of rotation ability adjustment parameter to another boundary value
（Such as maximum value）Or it is adjusted when to a direction to boundary value（Such as minimum value）Continuing rotating Vortex afterwards can be directly from current
Boundary value（Such as minimum value）Become another boundary value（Such as maximum value）, then it is adjusted again.
And when Items are more, can also using rotating handle 47 to both direction come adjustment parameter project, than
If electric welder's helmet Items are color grade, delay grade and sensitivity level, polishing function, gas cutting function, low color number tune
The sequence of section function is adjusted（It is that resolution is adjusted except preset by the ADC values of 48 part of rotational potentiometer for example one
Rate, principle illustrate that paragraph is consistent by way of 48 adjustment parameter value of rotational potentiometer with Fig. 5's）, for example one, electric rotating
Position device 48 adjusts to the position that can not be adjusted the boundary value for corresponding to corresponding parametric values to both direction（Such as color grade and low color
Number regulatory function）, and by pressing or the value of 47 sequential adjustment parameter of release handle, such as 5 color grades such as shared 9-13,
So press, release handle 47 it is primary, output color grade i.e. plus 1, until maximum value（No. 13）Afterwards, it adjusts, that is, becomes again
Minimum value（No. 9）；For example two, during by rotating value of the handle 47 come adjustment parameter, if adjusted to a direction to side
Dividing value（Such as minimum value）, continue to rotate handle 47 to this direction, above-mentioned boundary value can be kept constant, only changed direction of rotation
Could adjustment parameter to another boundary value（Such as maximum value）Or it is adjusted when to a direction to boundary value（Such as minimum value）Afterwards
Continuing rotating Vortex can be directly from current border value（Such as minimum value）Become another boundary value（Such as maximum value）, then again into
Row is adjusted.
Items can merge similar in some functions, such as the function that will polish（I.e. electric welder's helmet detects electric welding letter
Color grade will not be changed after number to high color grade）It could be provided as adjusting to boundary value when color grade（Minimum value）With
Continue to adjust in the same direction afterwards and can switch to polishing function, while can be by showing that output par, c 40 exports sound and flash of light is reported
It is alert；And gas cutting function（I.e. no matter whether electric welder's helmet detects that electric welding signal will all keep high color grade）It could be provided as working as
Color grade is adjusted to boundary value（Maximum value）Continue to adjust in the same direction later to can switch to gas cutting function.
For embodiment three, it both may be used to both direction and stirred 47 adjustment parameter of handle, by lower handle 47
Cyclic switching Items can also use to both direction and stir 47 handoff parameter project of handle, recycle and adjust by lower handle 47
Save parameter.
The present invention does not limit to above-mentioned specific embodiment：For example, in addition in present embodiment battery component 44 match
It puts outside mode, solar cell joint power supply can also be added in；Battery 60 can also use general dry battery or other batteries.
Alternatively, rotary coding switch 52 can also use the roller type encoder of built-in touch-switch（Such as the idler wheel of Panasonic
Encoder of the type with switch）Or using the rolling wheel encoding device without touch-switch（Such as Alps 9mm encoders）With it is light
The mode of switch combination is touched to complete the control to electric welder's helmet.
Alternatively, function unrelated with control function and method in embodiment can be cancelled, for example show output par, c
Sound output module 57 can be cancelled in 40；Display module 55 can also could be used without backlight module segment encode LCD display or
It is other types of LCD display（Such as dot matrix LCD）, with this correspondingly, surveying optical module 56 can also be cancelled.
Embodiment does not limit to above-mentioned three kinds of examples, thus it is possible to vary the combination of the above embodiment, for example implement
One long-press handle of mode can also realize the operations such as switching on and shutting down, and two battery of embodiment can also be configured in importation 41.
Or survey optical module 56 in examples detailed above and sound output module 57 can also use identical function but device and
The different other circuits of structure.
The sequence of step is also not limited to the mode announced in above-mentioned control method flow chart, can also be according to practical feelings
Condition is changed, such as response external is interrupted（Detect electric welding signal）Detection can also move on to the first step or second step.
It is all fallen in protection scope of the present invention with up conversion.
Claims (10)
1. a kind of electric welder's helmet：Include mask shell（1）, headband（2）And variable photoelectricity weldering filter（3）, headband（2）It and can darkening
It is welded filter（3）It is installed on mask shell（1）On, variable photoelectricity welds filter（3）By filter housing（30）, filter group（31）, control
Part processed（32）, display output par, c（40）And importation（41）Composition, it is characterised in that：Importation（41）Mounted on face
Over body case（1）On, including housing unit（42）And input module（43）, housing unit（42）By input housing（45）And conducting wire
（46）Composition, above-mentioned input module（43）It is installed on input housing（45）It is interior, and pass through conducting wire（46）With control section（32）Electricity
Connection；Operating personnel can pass through input module（43）Three kinds of different actions are completed, above-mentioned three kinds of different actions can make
Input module（43）To control section（32）Input three kinds of different semaphores.
2. electric welder's helmet according to claim 1, it is characterised in that：Above-mentioned input module（43）By handle（47）, rotation
Potentiometer（48）And touch-switch（49）Composition, handle（47）By a knob（50）And it is installed on the protrusion axle in its axle center（51）
Composition, rotational potentiometer（48）Hollow shaft section is used as hexagon or the hollow shaft rotational potentiometer of rectangle, above-mentioned protrusion axle
（51）Across rotational potentiometer（48）In portion cross-sectional shape and rotational potentiometer（48）The section of hollow shaft is similar, but cuts
Area is smaller, ensures protrusion axle（51）It is installed on rotational potentiometer（48）When middle, handle is rotated（47）Rotation current potential can be driven
Device（48）Hollow shaft rotate to change rotational potentiometer（48）Resistance value, and handle（47）It can be along its axis under external force
It moves reciprocatingly；Touch-switch（49）With rotational potentiometer（48）It is longitudinally mounted in input housing（45）It is interior, protrusion axle（51）It wears
Cross input housing（45）And rotational potentiometer（48）Hollow shaft and touch-switch（49）Button part fit together, protrude
Axis（51）With touch-switch（49）The partial cross section product fitted together is more than rotational potentiometer（48）Hollow shaft sectional area,
To ensure protrusion axle（51）Rotational potentiometer can be fixed in（48）In；When operating personnel's grips said handle（47）Knob（50）
When, handle can be rotated to both direction（47）So that rotational potentiometer（48）Resistance value two-way change, operating personnel press therewith
Lower or release handle（47）When, handle（47）On protrusion axle（51）It can cause touch-switch（49）It is switched on or switched off, with this
Export a switches digital.
3. electric welder's helmet according to claim 1, it is characterised in that：Above-mentioned input module（43）By handle（47）And rotation
Code switch（52）Composition, rotary coding switch（52）Built-in touch-switch, rotary coding switch（52）It is installed on input housing
（45）It is interior, handle（47）It is installed on rotary coding switch（52）Expose input housing（45）On interior axis；When operating personnel pinch
Handle（47）When, handle can be rotated to both direction（47）So that rotary coding switch（52）Output can be by control section
（32）The pulse signal of direction of rotation and angle is parsed, operating personnel press or release handle（47）When, rotary coding switch
（52）A switches digital can be exported.
4. electric welder's helmet according to claim 1, it is characterised in that：Above-mentioned input module（43）By handle（47）And more work(
It can thumbwheel switch（53）Composition, operating personnel can stir handle to both direction（47）, can be by control section so as to export
（32）The pulse signal of direction and number is stirred in parsing, and operating personnel press or release handle（47）When, multi-functional thumbwheel switch
（53）A switches digital can be exported.
5. electric welder's helmet according to any one of claim 2 to 4, it is characterised in that：Above-mentioned display output par, c（40）
Filter is welded positioned at variable photoelectricity（3）Towards human eye side, by display module（55）, survey optical module（56）And sound output module
（57）Composition, display module（55）For LED or the LCD display with backlight, it is divided into Items instruction area（58）And parameter
Viewing area（59）, parameter display area（59）Using the size of integer number, fractional digit or LED figures instruction parameter value, parameter
Project indicates area（58）Using number, letter, figure or LED indication parameter generic；It is shown on above-mentioned LCD or light-emitting diode display
Number, letter, figure or the LED shown ensures that operating personnel it can be shown when wearing or take electric welder's helmet by discernable by eye
Show content；Survey optical module（56）Effect be by measuring display module（55）The ambient light at place, in this, as control section
（32）The foundation of LED or LCD backlight luminous intensity is controlled, the unlatching and extinguishing of LED or LCD backlight are by control section（32）Control；
Sound output module（57）Effect be output voice signal.
6. electric welder's helmet according to claim 5, it is characterised in that：Variable photoelectricity welds filter（3）There is battery component（44）,
Battery component（44）By at least one battery（60）And hardware connection sheet（61）Composition, above-mentioned battery（60）Pass through hardware connection sheet
（61）Replaceable is assemblied in housing unit（42）Or filter housing（30）It is interior, for powering for electric welder's helmet.
7. a kind of control method of electric welder's helmet, comprises the steps of：
Step 1: operating personnel's operation handle（47）, by rotating or stirring handle to two different directions（47）, driving input
Component（43）To control section（32）Input two kinds of semaphores of different conditions, control section（32）By parsing above two not
Same semaphore, to the parameter currently chosen（The numerical grade of such as color number, sensitivity level, delay grade）Increased or
Reduce operation, and update display output par, c（40）Drive signal, to show modified parameter；By rotating or stirring hand
Handle（47）The mode of control above-mentioned parameter is to rotate or stir handle to a direction（47）So that the value of parameter current reaches pre-
If maximum or minimum value when, continue rotating Vortex or stir handle（47）, above-mentioned parameter will keep maximum or minimum value, until
It rotates round about or stirs handle（47）, above-mentioned parameter can just reduce to current maximum or opposite minimum value direction or increasing
Greatly；Alternatively, by rotating or stirring handle（47）The mode of control above-mentioned parameter is to rotate or stir handle to a direction
（47）During so that the value of parameter current reaching preset maximum or minimum value, continue rotating Vortex or stir handle（47）, it is above-mentioned
Parameter will be directly from current border value --- and maximum value or minimum value become another boundary value, i.e. minimum value or maximum value, after
Continuous to adjust in the same direction, parameter can increase or reduce；
Step 2: operating personnel's operation handle（47）, by pressing and release handle（47）, input module can be driven（43）To
Control section（32）Input a switching signal, control section（32）It, can be by default suitable by detecting above-mentioned switching signal
The project that sequence handoff parameter project is adjusted to needs（Determine currently to need to adjust is color grade, sensitivity level, delay
It is any in grade or other functions）, and update display output par, c（40）Drive signal to show new parameter item
Purpose data；The i.e. adjustable value of parameter currently chosen of action of step 1 is repeated at this time.
8. electric welder's helmet control method according to claim 7, it is characterised in that：Operating personnel can be by rotating or dialling
Fixed handle（47）Action switch different Items, and pass through and press and release handle（47）Action adjustment parameter
Value；The sequence for switching different Items rotates or stirs handle for unidirectional to a direction（47）, until by parameter
Project continues to adjust in the same direction after being switched to some scheduled boundary value, and above-mentioned parameter project will not change, need to change again
Become rotation or stir handle（47）Direction could continue to adjust above-mentioned parameter project until another preset boundary value；Or
The sequence for switching different Items is that do not have directive, i.e., rotates or stir handle to a direction（47）By Items
Continue to adjust above-mentioned parameter project in the same direction after being switched to some scheduled boundary value, it will be made to be directly switch to another preset
Boundary value is further continued for adjusting；By pressing and release handle（47）Action adjustment parameter value mode be according to preset side
Formula carries out cycle adjusting.
9. electric welder's helmet control method according to claim 8, it is characterised in that：Control section（32）It can be to operator
Member's operation input section（41）Pitch time be detected, more than Items set the time（72）Afterwards, as Items are sent out
Gave birth to change, by automatic reduction be preset Items, the above-mentioned parameter item setup time（72）It can be by control section
（32）Setting and removing.
10. electric welder's helmet control method according to claim 9, it is characterised in that：Control section（32）It can be to operation
Personnel's operation input section（41）Pitch time be detected, operating personnel press or stir handle（47）Make its one-way conduction
Operating time be less than the operation judges time（71）When, it carries out normal parameter or Items is adjusted；Operating personnel press or
Stir handle（47）The operating time of its one-way conduction is made to be equal to or more than the operation judges time（71）When, such as switched
Machine, self-test continuously adjust and current value quickly are changed to the special operations such as preset limit value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611113288.9A CN108158719A (en) | 2016-12-07 | 2016-12-07 | A kind of electric welder's helmet and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611113288.9A CN108158719A (en) | 2016-12-07 | 2016-12-07 | A kind of electric welder's helmet and its control method |
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| CN108158719A true CN108158719A (en) | 2018-06-15 |
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| US20100007938A1 (en) * | 2008-07-11 | 2010-01-14 | Otos Tech Co., Ltd. | Digital type anti-glare device using touch and method of controlling the same |
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Application publication date: 20180615 |