CN104960687B - Stay wire deflection detection device, system and method - Google Patents
Stay wire deflection detection device, system and method Download PDFInfo
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- CN104960687B CN104960687B CN201510349445.5A CN201510349445A CN104960687B CN 104960687 B CN104960687 B CN 104960687B CN 201510349445 A CN201510349445 A CN 201510349445A CN 104960687 B CN104960687 B CN 104960687B
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- bracing wire
- sideslip
- photoelectric detector
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- voltage signal
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title abstract description 28
- 229920000298 Cellophane Polymers 0.000 claims description 40
- 238000012856 packing Methods 0.000 claims description 22
- 230000005622 photoelectricity Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims 2
- 241000208340 Araliaceae Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 15
- 235000019504 cigarettes Nutrition 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000009738 saturating Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
- B65B19/28—Control devices for cigarette or cigar packaging machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Geophysics And Detection Of Objects (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a stay wire deflection detection device, system and method. The stay wire deflection detection device comprises a photoelectric detector and a controller. The photoelectric detector comprises a transmitting end and a receiving end. The transmitting end transmits light rays, the light rays penetrate through a stay wire to the receiving end, and the receiving end receives the light rays, converts the light rays into voltage signals, and transmits voltage signal values VA to the controller. The controller calculates the deflection distance Z of the stay wire according to the voltage signal values VA and the relation between the voltage signal values and the deflection distance; whether the deflection distance Z is larger than the preset distance value M or not is judged, if yes, it is determined that the stay wire deflects, and therefore whether the stay wire on transparent paper deflects or not is determined. Furthermore, when it is detected that the stay wire deflects, shutdown operation is executed, and therefore quality accidents are avoided.
Description
Technical field
The present invention relates to tobacco automation control area, more particularly to bracing wire deviation detecting device, system and method.
Background technology
In prior art, as shown in Figure 1A and Fig. 2A, packing machine cuts into the cellophane paper 1 for being stained with the bracing wire 2 of non-sideslip
Cigarette is wrapped in after length identical cellophane paper to wrap, form the cigarette bag 5 with non-sideslip bracing wire.
Figure 1B is the cellophane paper schematic diagram for schematically showing the inside sideslip of bracing wire in prior art.Show in Figure 1B
The bracing wire 3 (bracing wire 2 in wherein Figure 1B is to demarcate position during the non-sideslip of bracing wire) of the inside sideslip on bright paper 1.When saturating
During the inside sideslip of bracing wire on bright paper, then the cigarette bag 6 of bracing wire sideslip upwards, as shown in Figure 2 B, the drawing in Figure 1B here can be formed
The inside sideslip of line has corresponded in Fig. 2 B bracing wire sideslip upwards.
Fig. 1 C are the cellophane paper schematic diagrames for schematically showing the outside sideslip of bracing wire in prior art.Show in Fig. 1 C
The bracing wire 4 (bracing wire 2 in wherein Fig. 1 C is to demarcate position during the non-sideslip of bracing wire) of the outside sideslip on bright paper 1.When saturating
During the outside sideslip of bracing wire on bright paper, then the cigarette bag 7 of the downward sideslip of bracing wire can be formed, as shown in Figure 2 C, the drawing in Fig. 1 C here
The outside sideslip of line has corresponded to the downward sideslip of bracing wire in Fig. 2 C.
When bracing wire outwardly or inwardly sideslip described above, if bracing wire sideslip distance exceedes permissible value, and do not have
Have and found in time, then cause larger quality accident.
The content of the invention
The present invention need solve a technical problem be：Can not detect whether the bracing wire on cellophane paper runs in prior art
Partially.
According to the first aspect of the invention, there is provided a kind of bracing wire deviation detecting device, including：Photoelectric detector, including
Transmitting terminal and receiving terminal, the transmitting terminal launches light, and the light reaches the receiving terminal, the reception termination through bracing wire
Receive the light and the light is converted into into voltage signal, and by voltage signal values VATransmit to controller；Controller, according to
Voltage signal values VAAnd voltage signal values calculate the sideslip of the bracing wire apart from Z with the relation of sideslip distance；Judge institute
Sideslip is stated apart from Z whether more than predeterminable range value M, if it is, determining the bracing wire sideslip.
In certain embodiments, the transmitting terminal and the receiving terminal are correspondingly arranged at the bracing wire both sides on cellophane paper, and
The transmitting terminal transmitting light portion edge and the receiving terminal reception light portion edge respectively with the bracing wire
Coincident.
In certain embodiments, according to voltage signal values VAAnd voltage signal values are calculated with the relation of sideslip distance
The sideslip of the bracing wire includes apart from Z：Wherein, VA0Beforehand through described during sideslip non-for the bracing wire
The calibration voltage value that photoelectric detector is obtained；VBCover through no bracing wire for the light that the transmitting terminal of photoelectric detector is launched
Receiving end receives and is converted into the reference voltage level of voltage signal after cellophane paper；X is the width of the bracing wire.
In certain embodiments, the photoelectric detector includes：First photoelectric detector and the second photoelectric detector；It is described
First photoelectric detector includes the first transmitting terminal and the first receiving terminal, and first transmitting terminal is corresponding with first receiving terminal to be set
Put in the bracing wire both sides, for obtaining voltage signal values V in real timeA, and by voltage signal values VATransmit to the control
Device processed；Second photoelectric detector includes the second transmitting terminal and the second receiving terminal, and second transmitting terminal and described second connects
Receiving end is correspondingly arranged at the both sides of the cellophane paper covered without bracing wire, for obtaining the reference voltage level V in real timeB, and by institute
State reference voltage level VBTransmit to the controller.
In certain embodiments, the bracing wire deviation detecting device also includes：Warning device, for connecing from the controller
Receive alarm signal and report to the police；Wherein, the controller to the warning device when it is determined that send alarm signal during the bracing wire sideslip
Number；Display device, for receiving the information for showing signal and showing bracing wire sideslip from the controller；Wherein, the controller
When showing signal it is determined that sending to the display device during bracing wire sideslip；And/or the output end of the controller is connected to
The input of packing machine PLC, wherein, send to the packing machine PLC when the controller determines the bracing wire sideslip and shut down
Signal, stops packing machine operation.
In certain embodiments, the bracing wire deviation detecting device also includes：Shutting down allows button, its normally opened contact one end
Connection DC voltage, the other end is connected to the input of the controller, for when its normally opened contact is closed, it is allowed to the control
Device processed is it is determined that sending alarm signal, showing signal and/or stopping signal in the case of the bracing wire sideslip.
In certain embodiments, the bracing wire deviation detecting device also includes：Calibration start button, its normally opened contact one end
Connection DC voltage, the other end is connected to the input of the controller, for when the non-sideslip of the bracing wire, triggering the control
Device processed obtains calibration voltage value V from the photoelectric detectorA0。
According to the second aspect of the invention, there is provided a kind of bracing wire sideslip detecting system, including：Bracing wire sideslip as previously mentioned
Detection means and packing machine.
According to the third aspect of the invention we, there is provided a kind of bracing wire sideslip detection method, including：Using photoelectric detector reality
When obtain voltage signal values VA；According to voltage signal values VAAnd voltage signal values calculate bracing wire with the relation of sideslip distance
Sideslip apart from Z；And judge whether the sideslip is more than predeterminable range value M apart from Z, if it is, determining that the bracing wire is run
Partially.
In certain embodiments, voltage signal values V are being obtained in real time using photoelectric detectorABefore, the bracing wire sideslip
Detection method also includes：The bracing wire both sides transmitting terminal and receiving terminal of the photoelectric detector being correspondingly arranged on cellophane paper,
And the transmitting terminal transmitting light portion edge and the receiving terminal reception light portion edge respectively with the drawing
The coincident of line.
In certain embodiments, according to voltage signal values VAAnd voltage signal values are calculated with the relation of sideslip distance
The sideslip of bracing wire includes apart from Z：Wherein, VA0Beforehand through the light during sideslip non-for the bracing wire
The calibration voltage value that photodetector is obtained；VBThe light launched for the transmitting terminal of photoelectric detector is saturating through what is covered without bracing wire
Receiving end receives and is converted into the reference voltage level of voltage signal after bright paper；X is the width of the bracing wire.
In certain embodiments, voltage signal values V are obtained in real time using photoelectric detectorAThe step of include：The photoelectricity
Detector includes：First photoelectric detector and the second photoelectric detector；First photoelectric detector include the first transmitting terminal and
First receiving terminal；First transmitting terminal and first receiving terminal are correspondingly arranged at into the bracing wire both sides, using described
One photoelectric detector obtains in real time voltage signal values VA；The bracing wire sideslip detection method also includes：Second photoelectricity
Detector includes the second transmitting terminal and the second receiving terminal；Second transmitting terminal and second receiving terminal are correspondingly arranged at not
There are the both sides of the cellophane paper of bracing wire covering, using second photoelectric detector reference voltage level V is obtained in real timeB。
In certain embodiments, it is determined that after the bracing wire sideslip, the bracing wire sideslip detection method also includes：Judge
Shutting down allows whether the normally opened contact of button closes, if it is, performing warning, the information of display bracing wire sideslip and/or stopping
Packing machine runs.
In certain embodiments, voltage signal values V are obtained in real time using photoelectric detectorABefore, the bracing wire sideslip inspection
Survey method also includes：Judge whether the normally opened contact for calibrating start button closes, if it is, obtaining using the photoelectric detector
Obtain calibration voltage value VA0。
Present invention achieves to the whether detection of sideslip of the bracing wire on cellophane paper.Further, when detecting bracing wire sideslip
When, then shutdown operation is performed, so as to prevent quality accident.
By referring to the drawings to the present invention exemplary embodiment detailed description, the present invention further feature and its
Advantage will be made apparent from.
Description of the drawings
The Description of Drawings embodiments of the invention of a part for specification are constituted, and is used to solve together with the description
Release the principle of the present invention.
Referring to the drawings, according to detailed description below, the present invention can be more clearly understood from, wherein：
Figure 1A is the cellophane paper schematic diagram for schematically showing the non-sideslip of bracing wire in prior art.
Figure 1B is the cellophane paper schematic diagram for schematically showing the inside sideslip of bracing wire in prior art.
Fig. 1 C are the cellophane paper schematic diagrames for schematically showing the outside sideslip of bracing wire in prior art.
Fig. 2A is the cigarette bag schematic diagram for schematically showing the bracing wire with non-sideslip in prior art.
Fig. 2 B are to schematically show the cigarette bag schematic diagram in prior art with the bracing wire of sideslip upwards.
Fig. 2 C are the cigarette bag schematic diagrames for schematically showing the bracing wire with downward sideslip in prior art.
Fig. 3 A are the structural representations for schematically showing bracing wire deviation detecting device according to some embodiments of the invention.
Fig. 3 B are the photoelectric detectors for schematically showing bracing wire deviation detecting device according to some embodiments of the invention
Schematic diagram.
Fig. 3 C are the photoelectric detectors for schematically showing bracing wire deviation detecting device according to some embodiments of the invention
Top cross section schematic diagram.
Fig. 4 A are the structural representations for schematically showing the bracing wire deviation detecting device according to other embodiments of the invention
Figure.
Fig. 4 B are the Photoelectric Detections for schematically showing the bracing wire deviation detecting device according to other embodiments of the invention
The schematic diagram of device.
Fig. 4 C are the Photoelectric Detections for schematically showing the bracing wire deviation detecting device according to other embodiments of the invention
The top cross section schematic diagram of device.
Fig. 4 D are the Photoelectric Detections for schematically showing the bracing wire deviation detecting device according to other embodiments of the invention
Top cross section schematic diagram during the device detection outside sideslip of bracing wire.
Fig. 5 is the flow chart for illustrating bracing wire sideslip detection method according to some embodiments of the invention.
Fig. 6 is the flow chart for illustrating the bracing wire sideslip detection method according to other embodiments of the invention.
Specific embodiment
Describe the various exemplary embodiments of the present invention in detail now with reference to accompanying drawing.It should be noted that：Unless had in addition
Body illustrates that the part and the positioned opposite of step, numerical expression and numerical value for otherwise illustrating in these embodiments does not limit this
The scope of invention.
Simultaneously, it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing is not according to reality
Proportionate relationship draw.
It is below illustrative to the description only actually of at least one exemplary embodiment, never as to the present invention
And its any restriction applied or use.
For technology, method and apparatus may be not discussed in detail known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered the part for authorizing specification.
In all examples shown here and discussion, any occurrence should be construed as merely exemplary, and not
It is as restriction.Therefore, the other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further discussed in subsequent accompanying drawing.
Fig. 3 A are the structural representations for schematically showing bracing wire deviation detecting device according to some embodiments of the invention.
Fig. 3 B are the schematic diagrames of the photoelectric detector for schematically showing bracing wire deviation detecting device according to some embodiments of the invention.
As shown in Figure 3A, bracing wire deviation detecting device 30 can include：Photoelectric detector 31 and controller 32, wherein, light
Photodetector 31 is electrically connected with controller 32.Photoelectric detector 31 is, for example, correlation photoelectric detector.Controller 32 is, for example,
PLC (Programmable Logic Controller, programmable logic controller (PLC)).
Photoelectric detector 31 includes transmitting terminal 3101 and receiving terminal 3102 (as shown in Figure 3 B), the launching light of transmitting terminal 3101
Line, the light reaches receiving terminal 3102, receiving terminal through bracing wire (such as the bracing wire 2 of the non-sideslip in Fig. 3 B on cellophane paper 1)
The light is simultaneously converted into voltage signal by 3102 reception light, and by voltage signal values VATransmit to controller 32 (in Fig. 3 B
It is not shown).
Controller 32 is according to voltage signal values VAAnd voltage signal values calculate the sideslip of bracing wire with the relation of sideslip distance
Apart from Z；Judge whether the sideslip is more than predeterminable range value M apart from Z, if it is, determining bracing wire sideslip.
In this embodiment, controller is from photoelectric detector receiving voltage signal value VAAnd calculate the sideslip distance of bracing wire
Z, if sideslip is apart from Z, and (permissible value of M namely bracing wire sideslip, for example, 0≤M≤X, wherein X are bracing wire more than predeterminable range value M
Width), i.e., sideslip distance has exceeded the permissible value of bracing wire sideslip, it is determined that bracing wire sideslip, it is achieved thereby that on cellophane paper
The bracing wire whether detection of sideslip.
In certain embodiments, transmitting terminal 3101 and receiving terminal 3102 are correspondingly arranged at the both sides of bracing wire 2 on cellophane paper 1
(as shown in Figure 3 B), and the transmitting terminal transmitting light portion edge and the receiving terminal reception light portion edge difference
With the coincident of bracing wire, as shown in Fig. 3 C bend cross-section parts.
In an embodiment of the present invention, according to voltage signal values VAAnd voltage signal values are calculated with the relation of sideslip distance
The sideslip of bracing wire includes apart from Z：
Wherein, VA0The calibration voltage value obtained beforehand through photoelectric detector during sideslip non-for bracing wire；VBFor Photoelectric Detection
The light of the transmitting terminal transmitting of device receives and is converted into voltage signal through receiving end after the cellophane paper covered without bracing wire
Reference voltage level；X is the width of bracing wire.To illustrate later with regard to the derivation of equation here.
In certain embodiments, can be calibrated beforehand through photoelectric detector 31 when confirming that bracing wire does not have sideslip
Magnitude of voltage VA0And store it in controller 32.
In certain embodiments, reference voltage level VBController can be obtained and stored in beforehand through photoelectric detector 31
In.For example, bracing wire is being carried out whether before sideslip detection, first by the transmitting terminal 3101 of photoelectric detector 31 and receiving terminal 3102 pairs
It is arranged on the cellophane paper both sides covered without bracing wire with answering, the light of transmitting terminal transmitting passes through cellophane paper, and receiving terminal 3102 passes through
Receive light and be translated into corresponding voltage signal, that is, obtain reference voltage level VB, by VBTransmit to controller and be stored in
In controller；Then the bracing wire being correspondingly arranged at the transmitting terminal 3101 and receiving terminal 3102 of photoelectric detector 31 on the cellophane paper
Both sides, so as to the sideslip for carrying out bracing wire is detected.
In further embodiments, it is also possible to which arranging photoelectric detector in addition is used to obtain reference voltage level V in real timeB, this
Sample can detect in real time to the bracing wire sideslip situation on cellophane paper, and simple to operate.
Fig. 4 A are the structural representations for schematically showing the bracing wire deviation detecting device according to other embodiments of the invention
Figure.Fig. 4 B are that the photoelectric detector for schematically showing bracing wire deviation detecting device according to other embodiments of the invention shows
It is intended to.
As shown in Figure 4 A, bracing wire deviation detecting device 40 includes：Photoelectric detector 41 and controller 42.Wherein, controller
42 is similar with the controller 32 shown in Fig. 3 A.
In an embodiment of the present invention, photoelectric detector 41 includes：First photoelectric detector 411 and the second photoelectric detector
412 (for example, the first photoelectric detector 411 and the second photoelectric detector 412 are correlation photoelectric detector)；First smooth electric-examination
Surveying device 411 includes the first transmitting terminal 4111 and the first receiving terminal 4112, first transmitting terminal 4111 and first receiving terminal 4112
Bracing wire both sides (as shown in Figure 4 B) are correspondingly arranged at, for obtaining voltage signal values V in real timeA, and by voltage signal values VATransmission
To controller 42 (not shown in Fig. 4 B)；Second photoelectric detector 412 includes the second transmitting terminal 4121 and the second receiving terminal 4122,
Second transmitting terminal 4121 and second receiving terminal 4122 are correspondingly arranged at the both sides of the cellophane paper covered without bracing wire (such as Fig. 4 B
It is shown), for obtaining reference voltage level V in real timeB, and by reference voltage level VBTransmit to controller 42 (not shown in Fig. 4 B).
In certain embodiments, can be in the non-sideslip of bracing wire, by first transmitting terminal and first of the first photoelectric detector
Receiving terminal correspondence is arranged on bracing wire both sides, and the first transmitting terminal transmitting light portion and the first receiving terminal receive light portion and draw
Line is completely superposed；Second transmitting terminal of the second photoelectric detector and the second receiving terminal correspondence are arranged on without the saturating of bracing wire covering
The both sides of bright paper.
In certain embodiments, V can be carried out when confirming that bracing wire does not have sideslipA0Calibration, i.e., using the first Photoelectric Detection
Device 411 obtains calibration voltage value VA0And transmit to controller 42；Then the real-time detection of bracing wire sideslip, i.e. controller 42 are performed real
When obtain voltage signal size V of the first photoelectric detector 411A(i.e. voltage signal values VA) and the second photoelectric detector 412
Voltage signal size VB(i.e. reference voltage level VB), then according to foregoing formula：To be drawn
The sideslip of line is apart from Z；Judge whether the sideslip is more than predeterminable range value M (for example, 0≤M≤X) apart from Z, if it is, determining
Bracing wire sideslip.
Fig. 4 C and Fig. 4 D all illustrate the local of the cross section with regard to the first photoelectric detector and the second photoelectric detector and put
Big schematic diagram.Formula noted earlier is illustrated with reference to Fig. 4 C and Fig. 4 DOrigin, it is specific as follows：
As depicted in figs. 4 c and 4d, the first photoelectric detector 411 and the second photoelectric detector 412 can be identicals to penetrating
Formula photoelectric detector, rectangle CDEF is that the receiving terminal of the first photoelectric detector 411 receives light and transmitting terminal launches the portion of light
Divide (as shown in the oblique line cross-section parts of the first photoelectric detector 411 in Fig. 4 C and Fig. 4 D), its width is X (with bracing wire width
It is equal), length is Y, and the receiving terminal of the second photoelectric detector 412 receives part and first light of light and transmitting terminal transmitting light
Photodetector 411 is similar to, as shown in the oblique line cross-section parts of the second photoelectric detector 412 in Fig. 4 C and Fig. 4 D.
It is just equally distributed that photoelectric detector transmitting terminal sends, and the light quantity sent in unit area is I；Reach photoelectricity
Detector receiving terminal receives the light on light portion (such as rectangle CDEF) and is all received and be converted into voltage signal, voltage letter
Number size is directly proportional to the light quantity for receiving, and when the receiving terminal and transmitting terminal of photoelectric detector do not have shelter, receiving terminal is received
Light quantity reach maximum, be XYI, now photoelectric detector output maximum voltage signal, its value be V0, then for rectangle CDEF, 1
The voltage that the light quantity of individual unit is changed into is
The width of bracing wire is X, and the light transmittance of cellophane paper is α, and the light transmittance for having the cellophane paper of bracing wire is β, the printing opacity of object
Rate represent through object after light quantity and its incident light quantity ratio, 0≤β ＜ α≤1.
(1) for the second photoelectric detector 412, all light that the second transmitting terminal sends are connect after cellophane paper by second
Receiving end is received, and the light summation that transmitting terminal sends is XYI, then the light summation that receiving terminal is received is α XYI, then the second photoelectric detector
The voltage signal size of output, i.e. reference voltage level VBFor：
……………………………………………①
(2) as shown in Figure 4 C, when bracing wire does not have sideslip, rectangle CDEF is completely superposed with bracing wire 2, i.e., the first transmitting
The light of end transmitting is all received after bracing wire 2 by the first receiving terminal, and the light summation that the first transmitting terminal sends is XYI, then and the
The light summation that one receiving terminal is received is β XYI, then when bracing wire does not have sideslip, the voltage signal of the output of the first photoelectric detector 411
Size, i.e. calibration voltage value VA0For：
……………………………………………②
(3) as shown in 4D, when the outside sideslip of bracing wire, the bracing wire 4 of sideslip and the intersection point of rectangle CDEF are G and H, bracing wire 4
Sideslip distance be Z.
For rectangle CGHF, the light that the first transmitting terminal of the first photoelectric detector 411 sends will be after cellophane paper 1
Reach the first receiving terminal, rectangle CGHF areas are ZY, then the light summation that the first transmitting terminal sends on CGHF is ZYI, then first
The light quantity that receiving terminal is received on rectangle CGHF is α ZYI.
For rectangle GDEH, the light that the first transmitting terminal of the first photoelectric detector 411 sends will just reach after bracing wire 4
To the first receiving terminal, rectangle GDEH areas are (X-Z) Y, then the light summation that the first transmitting terminal sends on GDEH is (X-Z) YI,
Then the first receiving terminal is β (X-Z) YI in the light quantity that rectangle GDEH is received.
Then on rectangle CDEF receive light summation be on rectangle CGHF receive light quantity with connect on rectangle GDEH
The light quantity sum of receipts, i.e. α ZYI+ β (X-Z) YI, then the voltage signal size that the first photoelectric detector 411 is exported, i.e. voltage signal
Value VAFor：
…………………③
Aggregative formula 1. 2. 3., i.e.,
Obtain：
……………………………………………………④
Wherein, Z is the sideslip distance of bracing wire on cellophane paper；VAIt is real-time for voltage signal values, namely the first photoelectric detector
Voltage signal size；VA0For calibration voltage value, namely when bracing wire does not have sideslip, the voltage signal of the first photoelectric detector is big
It is little；VBFor reference voltage level, namely the real-time voltage signal size of the second photoelectric detector；X is the width of bracing wire.
Formula is 4. suitable for the situation of Z≤X, as Z ＞ X, VA=VB, then 4. Z=X is calculated by formula, that is, work as bracing wire
When sideslip distance is more than bracing wire width X, 4. formula thinks that sideslip distance is X.
In the same manner, when the inside sideslip of cellophane paper, it is also possible to obtain identical computing formula 4..
So far, it is deduced the formula of calculating sideslip distance 4..
Here, reference voltage level VBEmploy the mode using the second photoelectric detector Real-time Collection.In other enforcements
In example, bracing wire deviation detecting device can carry out bracing wire sideslip detection using a photoelectric detector.For example, as shown in Figure 3A
Bracing wire deviation detecting device, can first by the transmitting terminal and receiving terminal of photoelectric detector 31 be correspondingly arranged at without bracing wire cover
Cellophane paper both sides, obtain reference voltage level VBAnd store it in controller 32；Then by the transmitting of photoelectric detector 31
End and receiving terminal are correspondingly arranged at bracing wire both sides, and the transmitting light portion of transmitting terminal and the reception light portion of receiving terminal are equal
It is completely superposed with bracing wire, it is determined that obtaining calibration voltage value V in the case of the non-sideslip of bracing wireA0And be stored in controller 31；With
After carry out bracing wire sideslip detection, i.e., in real time obtain voltage signal values VA, controller is according to voltage signal values calculating sideslip distance
Z, and comparing with predeterminable range value M, so that it is determined that bracing wire whether sideslip.
In an embodiment of the present invention, as shown in Figure 4 A, bracing wire deviation detecting device 40 can also include：Warning device
43, its input is electrically connected with the output end of controller 42, for receiving alarm signal from controller 42 and reporting to the police；Wherein, control
Device processed 42 to warning device 43 when it is determined that send alarm signal during bracing wire sideslip.For example, the warning device can be audible alarm
Device and/or indicator lamp.Sideslip state can be in the current bracing wire of reminding technology personnel by reporting to the police, technical staff can enter in time
The process such as row is shut down, correction, prevent quality accident.
In an embodiment of the present invention, as shown in Figure 4 A, bracing wire deviation detecting device 40 can also include：Display device
44, its input is electrically connected with the output end of controller 42, is shown signal and is shown bracing wire sideslip for receiving from controller 42
Information (for example, show " bracing wire sideslip, sideslip distance be Z ")；Wherein, controller 42 to display when it is determined that set during bracing wire sideslip
Standby 44 send display signal.For example, the display device can be display.By showing bracing wire sideslip information, skill can be reminded
The current bracing wire of art personnel is in sideslip state, and technical staff can obtain sideslip apart from information such as Z, is technical staff to drawing
The correction process of line provides help.
In an embodiment of the present invention, as shown in Figure 4 A, the output end of controller 42 is connected to the defeated of packing machine PLC 471
Enter end, wherein, stopping signal is sent to packing machine PLC 471 when controller 42 determines bracing wire sideslip, stop packing machine 47 and transport
OK.Here packing machine 47 includes：Packing machine PLC 471 and stop botton 472 and other execution equipment (not shown in Fig. 4 A),
Wherein the one end of stop botton 472 connects DC voltage (such as 24VDC (Direct Current, direct current)), other end connection
To the input of packing machine PLC 471.The output end of controller 42 is in parallel with stop botton 472, is connected to packing machine PLC
471 input.By controller it is determined that send stopping signal to packing machine PLC during bracing wire sideslip, so as to realize automatically and
When ground perform shutdown process, prevent quality accident.
In an embodiment of the present invention, as shown in Figure 4 A, bracing wire deviation detecting device 40 can also include：Shut down permission to press
Button 45 (such as self-locking button), its normally opened contact one end connection DC voltage (such as 24VDC), the other end is connected to controller
42 input, for when its normally opened contact is closed, it is allowed to which controller 42 is it is determined that send warning in the case of bracing wire sideslip
Signal, display signal and/or stopping signal.If shut down allowing the contact of button to disconnect, even if controller determines bracing wire sideslip,
Do not perform warning, display and shutdown etc. to process yet.Button is allowed by installing to shut down, according to actual needs bracing wire can be set
Whether deviation detecting device performs warning, display or shutdown etc. automatically is processed.
In an embodiment of the present invention, as shown in Figure 4 A, bracing wire deviation detecting device 40 can also include：Calibration startup is pressed
Button 46 (such as non-self-lock-ing formula button), its normally opened contact one end connection DC voltage (such as 24VDC), the other end is connected to control
The input of device 42, for when the non-sideslip of bracing wire, trigger controller is from photoelectric detector (such as the first photoelectric detector 411)
Obtain calibration voltage value VA0.For example, V can be carried out when artificial confirmation bracing wire does not have sideslipA0Calibration, i.e., when calibration startup is pressed
When button is pressed, it is V that controller obtains the voltage signal size of the first photoelectric detector outputA0.Calibrate being provided with for start button
Beneficial to technical staff according to actual needs obtaining calibration voltage value VA0。
Present invention also offers a kind of bracing wire sideslip detecting system, including：As previously mentioned bracing wire deviation detecting device is (for example
The bracing wire deviation detecting device 40 shown in bracing wire deviation detecting device 30 or Fig. 4 A shown in Fig. 3 A) and packing machine is (for example
Packing machine 47).
Fig. 5 is the flow chart for illustrating bracing wire sideslip detection method according to some embodiments of the invention.
Step S501, using photoelectric detector voltage signal values V are obtained in real timeA。
Step S502, according to voltage signal values VAAnd voltage signal values calculate the sideslip of bracing wire with the relation of sideslip distance
Apart from Z.
Whether step S503, judge sideslip apart from Z more than predeterminable range value M.If it is, process enters step S504,
Else process enters step S505.
Step S504, determines bracing wire sideslip.
Step S505, determines the non-sideslip of bracing wire.
In this embodiment, using controller from photoelectric detector receiving voltage signal value VAAnd calculate the sideslip of bracing wire
Apart from Z, if sideslip is more than predeterminable range value M (for example, 0≤M≤X, wherein X are the width of bracing wire), i.e. sideslip distance apart from Z
The permissible value of bracing wire sideslip is exceeded, it is determined that bracing wire sideslip, it is achieved thereby that to the whether inspection of sideslip of the bracing wire on cellophane paper
Survey.
In an embodiment of the present invention, voltage signal values V are being obtained in real time using photoelectric detectorABefore, bracing wire sideslip
Detection method can also include：The bracing wire both sides transmitting terminal and receiving terminal of photoelectric detector being correspondingly arranged on cellophane paper,
And transmitting terminal transmitting light portion edge and receiving terminal reception light portion edge respectively with the coincident of bracing wire.
In an embodiment of the present invention, according to voltage signal values VAAnd voltage signal values are calculated with the relation of sideslip distance
The sideslip of bracing wire includes apart from Z：
Wherein, VA0The calibration voltage value obtained beforehand through photoelectric detector during sideslip non-for bracing wire；VBFor Photoelectric Detection
The light of the transmitting terminal transmitting of device receives and is converted into voltage signal through receiving end after the cellophane paper covered without bracing wire
Reference voltage level；X is the width of bracing wire.
In an embodiment of the present invention, voltage signal values V are obtained in real time using photoelectric detectorAThe step of include：Photoelectricity
Detector includes：First photoelectric detector and the second photoelectric detector；First photoelectric detector includes the first transmitting terminal and first
Receiving terminal；First transmitting terminal and the first receiving terminal are correspondingly arranged at into bracing wire both sides, are obtained in real time using the first photoelectric detector
Voltage signal values VA；Bracing wire sideslip detection method can also include：Second photoelectric detector connects including the second transmitting terminal and second
Receiving end；Second transmitting terminal and the second receiving terminal are correspondingly arranged at into the both sides of the cellophane paper covered without bracing wire, using the second light
Photodetector obtains in real time reference voltage level VB。
In an embodiment of the present invention, it is determined that after bracing wire sideslip, bracing wire sideslip detection method can also include：Judge
Shutting down allows whether the normally opened contact of button closes, if it is, performing warning, the information of display bracing wire sideslip and/or stopping
Packing machine runs.
In an embodiment of the present invention, voltage signal values V are obtained in real time using photoelectric detectorABefore, bracing wire sideslip inspection
Survey method can also include：Judge whether the normally opened contact for calibrating start button closes, if it is, obtaining using photoelectric detector
Obtain calibration voltage value VA0。
Fig. 6 is the flow chart for illustrating the bracing wire sideslip detection method according to other embodiments of the invention.
Step S601, judges whether the normally opened contact for calibrating start button closes.If it is, process enters step
S602, else process enters S603.
Step S602, the voltage signal size for taking the output of the first photoelectric detector is VA0。
Step S603, judges VA0Whether zero is more than.If it is, process enters step S604, else process enters step
S607.In this step, increased to VA0Judgement, i.e., to VA0It is whether calibrated to be judged.In the controller, VA0Deposit
In being stored in the memory of controller, when not to VA0During assignment, its default setting can be 0 by controller, therefore by comparing
VA0Stool and urine whether can determine whether out to VA0Calibrated：Work as VA0During more than 0, it is believed that calibrated VA0；Otherwise then recognize
For VA0It is not calibrated.
Step S604, obtains in real time voltage signal size V of the first photoelectric detectorA(i.e. voltage signal values) and second
Voltage signal size V of photoelectric detectorB(i.e. reference voltage level), obtain bracing wire sideslip is apart from Z
Wherein X is the width of bracing wire.
Whether step S605, judge sideslip apart from Z more than predeterminable range value M.If it is, process enters step S606,
Otherwise terminate.
Step S606, judging to shut down allows whether the normally opened contact of button closes.If it is, process enters step
S608, otherwise terminates.
Step S607, judging to shut down allows whether the normally opened contact of button closes.If it is, process enters step
S609, otherwise terminates.
Step S608, controller sends stopping signal and alarm signal, and shows that " bracing wire sideslip runs on the display device
Offset distance is from for Z ".Process so as to being shut down in time, be reported to the police etc., prevent quality accident.
Step S609, controller sends stopping signal and alarm signal, and shows " parameter V on the display deviceA0Non- school
It is accurate ".So as to remind operating personnel to carry out VA0Calibration.
So far, the present invention is described in detail.In order to avoid the design of the masking present invention, this area institute is not described public
Some details known.Those skilled in the art can be appreciated how to implement technology disclosed herein as described above, completely
Scheme.
The method of the present invention and system may be achieved in many ways.For example, can by software, hardware, firmware or
Software, hardware, any combinations of firmware are realizing the method for the present invention and system.For said sequence the step of methods described
Merely to illustrate, order described in detail above is not limited to the step of the method for the present invention, it is special unless otherwise
Do not mentionlet alone bright.Additionally, in certain embodiments, also the present invention can be embodied as recording program in the recording medium, these programs
Including for realizing the machine readable instructions of the method according to the invention.Thus, the present invention also covers storage for performing basis
The recording medium of the program of the method for the present invention.
Although being described in detail to some specific embodiments of the present invention by example, the skill of this area
Art personnel it should be understood that above example is merely to illustrate, rather than in order to limit the scope of the present invention.The skill of this area
Art personnel to above example it should be understood that can modify without departing from the scope and spirit of the present invention.This
Bright scope is defined by the following claims.
Claims (12)
1. a kind of bracing wire deviation detecting device, it is characterised in that include：
Photoelectric detector, including transmitting terminal and receiving terminal, the transmitting terminal launches light, and the light reaches described through bracing wire
Receiving terminal, the receiving terminal receives the light and the light is converted into into voltage signal, and by voltage signal values VATransmission
To controller；
Controller, according to voltage signal values VAAnd voltage signal values calculate the race of the bracing wire with the relation of sideslip distance
Offset distance is from Z；Judge whether the sideslip is more than predeterminable range value M apart from Z, if it is, determining the bracing wire sideslip；
According to voltage signal values VAAnd voltage signal values calculate the sideslip of the bracing wire apart from Z with the relation of sideslip distance
Including：
Wherein, VA0The calibration voltage value obtained beforehand through the photoelectric detector during sideslip non-for the bracing wire；VBFor photoelectricity
The light of the transmitting terminal transmitting of detector receives and is converted into voltage letter through receiving end after the cellophane paper covered without bracing wire
Number reference voltage level；X is the width of the bracing wire.
2. bracing wire deviation detecting device according to claim 1, it is characterised in that
The transmitting terminal and the receiving terminal are correspondingly arranged at the bracing wire both sides on cellophane paper, and the transmitting light of the transmitting terminal
The edge of the reception light portion of partial edge and the receiving terminal respectively with the coincident of the bracing wire.
3. bracing wire deviation detecting device according to claim 1, it is characterised in that
The photoelectric detector includes：First photoelectric detector and the second photoelectric detector；
First photoelectric detector includes the first transmitting terminal and the first receiving terminal, and first transmitting terminal and described first receive
End is correspondingly arranged at the bracing wire both sides, for obtaining voltage signal values V in real timeA, and by voltage signal values VATransmission
To the controller；
Second photoelectric detector includes the second transmitting terminal and the second receiving terminal, and second transmitting terminal and described second receive
End is correspondingly arranged at the both sides of the cellophane paper covered without bracing wire, for obtaining the reference voltage level V in real timeB, and will be described
Reference voltage level VBTransmit to the controller.
4. bracing wire deviation detecting device according to claim 1, it is characterised in that also include：
Warning device, for receiving alarm signal from the controller and reporting to the police；Wherein, the controller is when the determination bracing wire
Alarm signal is sent during sideslip to the warning device；
Display device, for receiving the information for showing signal and showing bracing wire sideslip from the controller；Wherein, the controller
When showing signal it is determined that sending to the display device during bracing wire sideslip；
And/or
The output end of the controller is connected to the input of packing machine PLC, wherein, when the controller determines that the bracing wire is run
Stopping signal is sent to the packing machine PLC when partially, stops packing machine operation.
5. bracing wire deviation detecting device according to claim 4, it is characterised in that also include：
Shutting down allows button, and its normally opened contact one end connection DC voltage, the other end is connected to the input of the controller, uses
In when its normally opened contact is closed, it is allowed to which the controller is it is determined that sending alarm signal, showing in the case of the bracing wire sideslip
Show signal and/or stopping signal.
6. bracing wire deviation detecting device according to claim 1, it is characterised in that also include：
Calibration start button, its normally opened contact one end connection DC voltage, the other end is connected to the input of the controller, uses
When the bracing wire non-sideslip, trigger the controller and obtain calibration voltage value V from the photoelectric detectorA0。
7. a kind of bracing wire sideslip detecting system, it is characterised in that include：
Bracing wire deviation detecting device and packing machine as described in claim 1 to 6 is arbitrary.
8. a kind of bracing wire sideslip detection method, it is characterised in that include：
Voltage signal values V are obtained in real time using photoelectric detectorA；
According to voltage signal values VAAnd voltage signal values calculate the sideslip of bracing wire apart from Z with the relation of sideslip distance；And
Judge whether the sideslip is more than predeterminable range value M apart from Z, if it is, determining the bracing wire sideslip；
Wherein, according to voltage signal values VAAnd voltage signal values calculate the sideslip of bracing wire apart from Z with the relation of sideslip distance
Including：
Wherein, VA0The calibration voltage value obtained beforehand through the photoelectric detector during sideslip non-for the bracing wire；VBFor photoelectricity
The light of the transmitting terminal transmitting of detector receives and is converted into voltage letter through receiving end after the cellophane paper covered without bracing wire
Number reference voltage level；X is the width of the bracing wire.
9. bracing wire sideslip detection method according to claim 8, it is characterised in that obtaining electricity in real time using photoelectric detector
Pressure signal value VABefore, also include：
The bracing wire both sides transmitting terminal and receiving terminal of the photoelectric detector being correspondingly arranged on cellophane paper, and the transmitting terminal
Transmitting light portion edge and the receiving terminal reception light portion edge respectively with the coincident of the bracing wire.
10. bracing wire sideslip detection method according to claim 8, it is characterised in that
Voltage signal values V are obtained in real time using photoelectric detectorAThe step of include：
The photoelectric detector includes：First photoelectric detector and the second photoelectric detector；
First photoelectric detector includes the first transmitting terminal and the first receiving terminal；First transmitting terminal and described first are connect
Receiving end is correspondingly arranged at the bracing wire both sides, and using first photoelectric detector voltage signal values V are obtained in real timeA；
The bracing wire sideslip detection method also includes：
Second photoelectric detector includes the second transmitting terminal and the second receiving terminal；Second transmitting terminal and described second are connect
Receiving end is correspondingly arranged at the both sides of the cellophane paper covered without bracing wire, and using second photoelectric detector ginseng is obtained in real time
Examine magnitude of voltage VB。
11. bracing wire sideslip detection methods according to claim 8, it is characterised in that it is determined that after the bracing wire sideslip, also
Including：
Judge to shut down and allow whether the normally opened contact of button closes, if it is, performing warning, showing the information of bracing wire sideslip
And/or stopping packing machine operation.
12. bracing wire sideslip detection methods according to claim 8, it is characterised in that obtain electricity in real time using photoelectric detector
Pressure signal value VABefore, also include：
Judge whether the normally opened contact for calibrating start button closes, if it is, obtaining the school using the photoelectric detector
Quasi- magnitude of voltage VA0。
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| CN201525661U (en) * | 2009-10-27 | 2010-07-14 | 武汉钢铁(集团)公司 | Strip deviation alarm device for continuous operation line |
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