CN203530562U - Harness skip detection equipment of dobby machine - Google Patents
Harness skip detection equipment of dobby machine Download PDFInfo
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- CN203530562U CN203530562U CN201320470399.0U CN201320470399U CN203530562U CN 203530562 U CN203530562 U CN 203530562U CN 201320470399 U CN201320470399 U CN 201320470399U CN 203530562 U CN203530562 U CN 203530562U
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Abstract
The utility model provides harness skip detection equipment of a dobby machine. The harness skip detection equipment comprises an electromagnet signal acquiring device, a blade swinging signal acquiring device, a comparison device and an output device, wherein the electromagnet signal acquiring device is connected to a reading device of the dobby machine or a signal source of the reading device of the dobby machine and used for acquiring electromagnet absorbing and releasing operation signals, which correspond to blades of the dobby machine, of the reading device of the dobby machine; the blade swinging signal acquiring device comprises a sensor for detecting movement positions of the blades of the dobby machine in a working state, and used for acquiring blade swinging signals; the comparison device is used for comparing the electromagnet absorbing and releasing signal and blade swinging signal of one same blade of the dobby machine so as to determine whether the electromagnet absorbing and releasing operation signal and the blade swinging signal are identical or not; the output device is used for receiving and outputting the comparison result of the comparison device.
Description
Technical field
Embodiment of the present utility model relates to field of textiles, more particularly, relates to a kind of dobbies skips checkout equipment.
Background technology
On loom, realize and through interweaving of, parallel, just warp thread must be divided into according to certain rules two-layerly up and down, formation can be by the passage of weft yarn---shed open; After weft yarn is introduced into shed open, thereby alternatively up and down switch is to form new shed open again for two-layer warp thread, and so iterative cycles is weaved, and the harness motion of Here it is warp thread, is called for short opening.Harness motion is completed by shedding mechanism.Shedding mechanism not only will make warp thread separately form up and down shed open, but also should control the order of heald frame lifting according to decided shedding order by the pegging plan of textile fabric, makes fabric obtain required texture pattern.
Dobbies is a kind of common shedding mechanism, generally includes following functional device: card, reading device (also referred to as reading device), heald lifting device and return device etc.Along with the process of technical development, dobbies can comprise mechanical type, electromechanical and electronic type three classes.Electronic dobby machine is used memory (such as EPROM etc.) storage heald frame lifting information, logical process and control system (such as single-chip microcomputer etc.) as reading device read data of pattern card according to a definite sequence from memory, send corresponding signal to control electromagnetic actuation and the relieving in electromagnetic mechanism, thereby the reciprocating motion of controlling blade is to control the lifting of heald frame.According to the difference of shedding structure, dobbies can be divided into again linear reciprocating, rotary etc.For example, can weave (first volume) > > (Zhu Sukang, Chen Yuanfu referring to < <; China Textiles Press, 1996) chapter 2 the 3rd trifle.
Fig. 1 shows the schematic diagram how a kind of electronic dobby machine controls the heald frame on loom.As shown in Figure 1, this electronic dobby machine 10 can comprise a plurality of blades (heddle (heald)) 110 arranged side by side each other, and each blade 110 is connected with a corresponding heald frame 20 on loom by parts such as connecting rods.Each blade 110 can swing up and down under the control of the reading device (not shown) of this electronic dobby machine in perpendicular, thereby correspondingly drives heald frame 20 in the vertical directions to carry out elevating movement.For example, reading device has the electromagnet that carries out control operation corresponding to each blade 110 therein.
Fig. 2 shows the electromagnetic mechanism (drive unit) of the reading device of a kind of electronic dobby machine of the prior art.For example, refer to Chinese patent literature CN1058305A and CN1057352A.This electromagnetic mechanism comprises a plurality of control electromagnet 6 arranged side by side each other and corresponding slide cam selector 7.This electromagnetic mechanism up and down reciprocatingly swings by the fixed cycle along the direction of arrow F1.Each electromagnet 6 is corresponding to a blade of dobbies, and comprises armature 6a, 6b; With respect to each electromagnet 6, a slide cam selector 7 is correspondingly set.Slide cam selector 7 can be around axle 8 rotations.When electromagnet 6 energising, slide cam selector 7 is adsorbed to left side in figure by armature 12; When electromagnet 6 power-off, slide cam selector 7 is pushed to right side in figure by spring 13.Whether this electromagnetic mechanism receives signal from logical process and control system, thereby select certain electromagnet to switch on or power-off.Slide cam selector 7 is under the driving of above-mentioned two kinds of motions, can drive selectively the end 9a of oscillating structural member 9 on the 10aHuo right side, end of the left side oscillating structural member 10 that is resisted against block 14, thereby under the cooperation of spring 15, make oscillating structural member 10 or 9 to rotate around axle 3 or 11, thereby drive the motion of the respective blade of this electronic dobby machine.Conventionally, the every rotation half-turn of the main shaft of dobbies, reading device sends once-through operation instruction to electromagnet.
In the fabrication processes of loom, often there is " skips " phenomenon to occur." skips " mean and in fabrication processes, occur faulty operation, thereby can not obtain the pattern of wishing, for example, weft yarn is not should be staggered with it with the place of yarns intersect mistake in relative warp systems, but thereon or its freely stretch down.Once occur that skips need to notify operating personnel in time, to avoid wrong continuing to occur.The reason that causes skips may be the malfunction producing due to electronic dobby machine self reason.At present, industry there is no and detects the equipment whether an electronic dobby machine exists skips phenomenon, especially there is no the equipment before electronic dobby machine dispatches from the factory, it being detected.
Utility model content
For the problems referred to above that exist in this area, embodiment of the present utility model provides a kind of dobbies skips checkout equipment.
An aspect of the present utility model provides a kind of dobbies skips checkout equipment, comprise: electromagnet signal acquisition device, be connected to the signal source of the reading device of dobbies or the reading device of described dobbies, obtain corresponding to the electromagnet of the dobbies reading device of the blade of dobbies and inhale and put operation signal; Blade swinging signal harvester, comprises the sensor that detects the movement position of the corresponding blade of described dobbies under in working order, for obtaining blade swinging signal; Comparison means, relatively inhales and puts operation signal and blade swinging signal at same operation electromagnet constantly for the same blade of described dobbies, to determine that whether the two is consistent; Output device, receives and exports the comparative result of described comparison means.
Described electromagnet signal acquisition device can be connected to the electromagnet of the reading device of described dobbies and inhale and put operation signal directly to obtain described electromagnet from the electromagnet of the reading device of described dobbies.
Described electromagnet signal acquisition device can comprise shaping circuit, and electromagnet that described shaping circuit directly obtains the electromagnet of the reading device from described dobbies is inhaled and put operation signal and carry out shaping.
Dobbies skips checkout equipment according to the utility model embodiment, can carry out real-time or non real-time detection to dobbies easily, to determine whether detected dobbies exists skips, thereby can reduce production costs, enhance productivity.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing to embodiment is briefly described, apparently, the accompanying drawing in the following describes only relates to embodiment more of the present utility model, but not to restriction of the present utility model.
Fig. 1 shows the schematic diagram how a kind of electronic dobby machine controls the heald frame on loom.
Fig. 2 shows the electromagnetic mechanism of the reading device of a kind of electronic dobby machine of the prior art.
Fig. 3 shows the schematic block diagram of the dobbies skips checkout equipment of an embodiment of the utility model.
Fig. 4 shows a kind of block diagram of exemplary logical signal PIAPACS.
Fig. 5 shows an exemplary circuit diagram of a kind of exemplary reading device Zhong Mei road output.
Fig. 6 shows an example of shaping circuit.
Fig. 7 shows the schematic block diagram of the dobbies skips checkout equipment of another embodiment of the utility model.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawing of the utility model embodiment, to the utility model, embodiment is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.
Unless otherwise defined, technical term used herein or scientific terminology should be and in field, have the ordinary meaning that the personage of general technical ability understands under the utility model.Equally, the similar words such as " " or " " do not represent restricted number yet, and mean and have at least one." comprise " or " comprising " etc. similarly word mean to appear at element before this word or object and contain and appear at element or the object that this word enumerates below and be equal to, do not get rid of other elements or object." connection " or " being connected " etc. similarly word be not defined in connection physics or machinery, but can comprise electrical connection, no matter be directly or indirectly." on ", D score, " left side ", " right side " etc. are only for representing relative position relation, after being described the absolute position of object and changing, this relative position relation also may correspondingly change.
The dobbies skips checkout equipment of embodiment of the present utility model comprises: electromagnet signal acquisition device, be connected to the signal source of the reading device of dobbies or the reading device of described dobbies, obtain corresponding to the electromagnet of the dobbies reading device of the blade of dobbies and inhale and put operation signal; Blade swinging signal harvester, comprises the sensor that detects the movement position of the corresponding blade of described dobbies under in working order, for obtaining blade swinging signal; Comparison means, relatively inhales and puts operation signal and blade swinging signal at same operation electromagnet constantly for the same blade of described dobbies, to determine that whether the two is consistent; Output device, receives and exports the comparative result of described comparison means.
Fig. 3 shows the schematic block diagram of the dobbies skips checkout equipment of an embodiment of the utility model.An example of this dobbies skips checkout equipment can also comprise control device, the operation of this control device (such as initialization, unlatching, synchronous etc.) electromagnet signal acquisition device, blade swinging signal harvester and comparison means for controlling.
Electromagnet signal acquisition device, blade swinging signal harvester and the comparison means of this dobbies skips checkout equipment and the control device that can also comprise etc., can adopt mode known in correlative technology field at least in part such as realizing in modes such as hardware, software or firmwares according to its function.For example, comparison means can adopt hardware, software or firmware to realize, to judge the big or small or whether identical of two numerical value; Control device can adopt the various ways such as general CPU (CPU) or dedicated cpu, digital signal processor (DSP) to realize.
The reading device of electronic dobby machine generally includes logical signal PIAPACS.Fig. 4 shows a kind of block diagram of exemplary logical signal PIAPACS.This system be take controller as maincenter, and this controller for example can adopt single-chip microcomputer or similar treatment facility, and control program is stored in memory 1, and data of pattern card is stored in memory 2.Memory 1 and 2 can be EPROM or similar nonvolatile memory, and data for example can be input to wherein by programmable device.Data of pattern card comprises corresponding to the fabric of being weaved through weft yarn information.Under programme-control, controller detects spindle synchronous signal at every turn, from memory 2, reads data of pattern card, through buffering (latching), amplification, exports each work of electromagnet unit, road to, and can simultaneous display weft yarn sequence number.
The devices such as this logical signal PIAPACS and programmable device are such as controlling by microcomputer (PC), notebook computer, embedded device etc., and control information and feedback information are presented on screen, user-friendly.
Fig. 5 shows an exemplary circuit diagram of a kind of exemplary reading device Zhong Mei road output.According to card information, the control signal that controller sends is through buffering, amplification, then be imported into the drive circuit of electromagnet, this drive circuit is according to energising and the power-off of the received corresponding electromagnet of signal controlling, and then the motion of the corresponding blade of control dobbies.In this circuit, GND1 and GND2 have formed photoelectricity isolated part; FU represents fuse, and protective current is for example 0.2A.
As long as embodiment of the present utility model can obtain the coherent signal of the reading device of dobbies, and be not limited to the concrete formation of the reading device of dobbies.
Embodiment of the present utility model obtains electromagnet from the reading device of existing dobbies or its data source and inhales and put operation signal, blade by detecting dobbies movement position in working order obtains blade swinging signal, then the two is compared, so without dobbies is carried out to complicated transformation, and only need provide signal detection interface to detect.This checkout equipment, after the skips detection completing for dobbies, can remove from dobbies easily, thereby can not affect the normal work after dobbies product export.
The skips checkout equipment of the utility model embodiment not only can be for reciprocating dobbies, can also be for rotary dobby.For example, these dobbies can be history make pottery 2500,2600 serial dobbies or follow-up type and the electronic dobby machine type similar or compatible with them of Bill (Staubli) company.The introduction of relevant type is such as can be referring to < < electronic jacquard technology and product development > > (Li Zhixiang etc.; China Textiles Press, 2000).
Embodiment 1
The electromagnet signal acquisition device of the skips checkout equipment of this embodiment 1 is connected with the circuit part of the electromagnet on each road in the reading device of detected dobbies, and the circuit part of the direct electromagnet from reading device obtains the signal of this electromagnet of operation (being that operation signal is put in electromagnet suction).Electromagnet signal acquisition device can comprise memory (for example volatile memory or nonvolatile memory), and the electromagnet being obtained to store is inhaled and put operation signal.
In the present embodiment, an interface can be set at the reading device of dobbies, be provided with a plurality of pins in this interface, each pin is electrically connected to the circuit part of electromagnet corresponding to a blade of dobbies respectively.Electromagnet signal acquisition device can join by a plug and this interface, thereby can carry out easily attended operation.This interface can adopt serial line interface or parallel interface, and the structure of these types is known in the art, therefore repeats no more here.
In this embodiment 1, from the solenoid actuated electric current of the drive circuit of electromagnet, be analog signal, so electromagnet signal acquisition device can adopt common analogue signal acquisition circuit and analog to digital conversion circuit to realize, therefore repeat no more here.After modulus changes, resulting data signal can be stored in memory.
Conventionally, the every rotation half-turn of the main shaft of dobbies, reading device sends once-through operation instruction to electromagnet.For example, in a certain operation constantly, if electromagnet signal acquisition device detects the energising of a certain road, be recorded as " 1 ", if instead this road detected, do not switch on, be recorded as " 0 ".
Blade swinging signal harvester for example comprises Fibre Optical Sensor, this Fibre Optical Sensor comprises a plurality of sensor units of (being for example arranged as a line) arranged side by side each other, whether each for example moves (swinging up and down or linear reciprocating motion), to precalculated position (limes superiors position or limit inferior position) corresponding to blade of dobbies at work for this blade of perception.For example, in a certain operation constantly, if sensor senses is to corresponding blade movement to precalculated position, be recorded as " 1 ", if do not perceive corresponding blade movement to precalculated position, be recorded as " 0 ".Blade swinging signal harvester can comprise memory, the blade swinging signal being obtained to store.
The comparison means of this embodiment 1 is such as being programmable logic controller (PLC) (PLC), central processing unit (CPU) or conventional digital comparator etc. independently.Meanwhile, if needed, this PLC, CPU can also as control device control electromagnet signal acquisition device and blade swinging signal harvester beginning, stop, data read etc.
In practice, the reason that corresponding blade does not move to precalculated position comprises that blade does not move or is motion amplitude deficiency.
The signal that the signal that above-mentioned electromagnet signal acquisition device records and blade swinging signal harvester record is all imported among comparison means.Comparison means compares the two paths of signals corresponding with same blade according to action sequence, whether unanimously relatively when same action, inscribe two paths of signals.If two paths of signals is constantly all identical at the everything detecting, there are not skips for being detected dobbies in testing result; If two paths of signals is constantly different in a certain operation, there are skips for being detected dobbies in testing result, and record the numbering of the corresponding blade of dobbies.Then testing result is output to output device.
This output device is such as being the display devices such as display screen, charactron, or outputs to the output equipment of the other types such as printer, loudspeaker.
In addition, it should be noted that because electromagnet is inductive element, thus in the moment of power-off, may there is very high backward voltage to discharge, may reach+60V of ceiling voltage.When comparison means uses PLC etc., because the input voltage that I/O (I/O) point of PLC can bear is limited, so need to, by gathered electromagnet signal shaping before it is introduced in PLC, convert irregular electromagnet signal to square-wave signal that PLC can be used.Therefore, an example of the electromagnet signal acquisition device of the present embodiment can further include shaping circuit.On the other hand, shaping circuit itself can not have a negative impact to the work of the electromagnet of reading device and electromagnet on/off electricity time.Fig. 6 shows an example of this shaping circuit.In example as shown in the figure, the selected electronic switching tube of this shaping circuit is as the core of filter circuit, and has been used in conjunction with capacitor and carries out filtering.
A plurality of sensor units of Fibre Optical Sensor are for example set to over against a plurality of blades of dobbies and are set to the predetermined limit inferior position towards blade reciprocally swinging.The predetermined limit inferior location interval of each sensor unit of this Fibre Optical Sensor and blade reciprocally swinging is opened a predeterminable range, and this predeterminable range can be set according to the operation parameter of adopted Fibre Optical Sensor.When blade move at work this predetermined lower bound position corresponding sensor unit be triggered; Yet when blade does not reach predetermined lower bound position in actual lower limit position at work, this sensor unit is not triggered.Fibre Optical Sensor can amplify received signal, buffer memory, delay process etc.The Fibre Optical Sensor adopting can be for example telegnosis (SUNX) FX-301 series digit Fibre Optical Sensor.
At present, the maximum speed of Rotated electric Dobby for example can reach 638 revs/min, and one of the blade operation shortest time is back and forth about 200ms(millisecond); The short receptor blade signal time of sensor is approximately 10ms.Therefore, in the situation that the dobbies running up is detected, in order to prevent that PLC from losing I/O point, need to make delay process to sensor signal, at this moment for example can use the amplifier of Fibre Optical Sensor that signal time is expanded to 20ms; But it should be noted that and can not unrestrictedly expand sensor time, because the period of motion of blade is 200ms.In the present embodiment, the PLC using for example can adopt Siemens (Siemens) S7-200 of company series, and its light source for example adopts red light emitting diodes (LED).
Among the present embodiment, blade swinging signal harvester for example can also use other to have the sensor of identical function except using Fibre Optical Sensor, the proximity transducer for example with high speed response property, for example E2S of Omron (Omron) company series proximity transducer.
The checkout equipment of this embodiment 1 can carry out real-time skips detection and not need synchronous control signal the dobbies of duty, because the electromagnet of Real-time Collection is inhaled, put operation signal and the own basic synchronization of blade swinging signal (conventionally only differing the insignificant time to each other), therefore can compare one by one in real time.When dobbies occurs that skips are reported to the police, can suspend dobbies, remove the skips checkout equipment of the present embodiment, then carry out adjusting and the reparation of dobbies, then the skips checkout equipment of the present embodiment is installed as required again to detect.
Certainly, this embodiment 1 also can carry out non real-time detection, the electromagnet that gathers in predetermined amount of time is inhaled and put operation signal data and blade swinging signal data are all input to comparison means after storage, after having determined that startup operation constantly, then operation compares constantly one by one, to determine whether detected dobbies exists skips.
The skips checkout equipment of this embodiment 2 is substantially the same manner as Example 1, difference is: the electromagnet signal acquisition device of embodiment 2 is connected with the output circuit part of the buffer of each road (corresponding to each blade of dobbies) in the reading device of detected dobbies, thereby can obtain from buffer the signal of this electromagnet of operation.Therefore, an interface can be set at the reading device of dobbies, each pin of this interface can be connected with the output circuit part of the buffer on each road in reading device.For example, in a certain operation constantly, if electromagnet signal acquisition device detects a certain road, be instructed to energising, be recorded as " 1 ", if this road detected, be instructed to no power, be recorded as " 0 ".
In this enforcement, from reading device, the signal of the buffer on each road output is data signal, so electromagnet signal acquisition device can adopt common digital signal acquiring device to realize, and repeats no more here.
Preferably, in order to obtain the better signal of waveform, the signal that also can obtain this electromagnet signal acquisition device carries out shaping, amplification etc., and this electromagnet signal acquisition device can also comprise shaping circuit, amplifying circuit etc.
Equally, the signal that the signal that electromagnet signal acquisition device records and blade swinging signal harvester record is all imported among comparison means.Comparison means compares the two paths of signals corresponding with same blade according to action sequence, relatively in same action, whether two paths of signals is consistent constantly.If two paths of signals is constantly all identical at the everything detecting, there are not skips for being detected dobbies in testing result; If two paths of signals is constantly different in a certain operation, there are skips for being detected dobbies in testing result, and record the numbering of the corresponding blade of dobbies.Then testing result is output to output device.
The checkout equipment of this embodiment 2 can detect in real time and not need synchronous control signal for the dobbies under in running order equally, also no longer needs the adverse effect that instantaneous pressure caused of the such special circuit of embodiment 1 when preventing electromagnet power-off simultaneously.
Certainly, similarly the skips checkout equipment of this embodiment 2 also can be for non real-time detection, and concrete operations repeat no more.
The skips checkout equipment of this embodiment 3 and embodiment 1 and 2 are basic identical, difference is: electromagnet signal acquisition device is connected to the memory of the reading device that is detected dobbies or the microcomputer of control reading device etc., to obtain data of pattern card there from them, be also connected to the data source of reading device of electronic dobby machine to obtain the signal of each road respective electrical magnet of operation reading device.These data of pattern cards, for operating the signal of respective electrical magnet, itself are exactly " 0 " or " 1 " data signal, therefore conventionally without carrying out the operations such as shaping, analog-to-digital conversion again.
In this example, the common data signal that can adopt electromagnet signal acquisition device copies device and realizes, for example this electromagnet signal acquisition device is also memory, and its data obtain from the memory copy of reading device, or writes by programmable device from controlling the microcomputer of reading device.
Equally, the signal that the signal that electromagnet signal acquisition device records and blade swinging signal harvester record is all imported among comparison means.Comparison means compares the two paths of signals corresponding with same blade according to action sequence, relatively in same action, whether two paths of signals is consistent constantly.If two paths of signals is constantly all identical at the everything detecting, there are not skips for being detected dobbies in testing result; If two paths of signals is constantly different in a certain operation, there are skips for being detected dobbies in testing result, and record the numbering of the corresponding blade of dobbies.Then testing result is output to output device.
For embodiment 3, when needs carry out Real-Time Monitoring, the skips checkout equipment of this embodiment can also comprise a synchronous signal device, for apply a synchronizing signal to comparison means, as shown in Figure 7; If or the checkout equipment of embodiment 3 comprises that control device is to control the operation of comparison means, synchronous signal device can apply a synchronizing signal to control device, and this synchronizing signal is identical with the spindle synchronous signal of controller that is applied to dobbies reading device.Comparison means, under the control of synchronizing signal, reads from electromagnet signal acquisition device and blade swinging signal harvester the signal that they obtain and gather according to scheduled timing, then compares one by one.Synchronous signal device can be conventional synchronous generator, and its extensive use is for electronic applications.
Certainly, similarly the skips checkout equipment of this embodiment 3 also can be for non real-time detection, and concrete operations repeat no more.
It will be appreciated by those skilled in the art that in the checkout equipment of aforesaid embodiment 1 and 2, also can comprise a synchronous signal device, to comparison means, apply dobbies spindle synchronous signal.
Embodiment 4
The skips checkout equipment of this embodiment 4 combine in above-described embodiment 1-3 arbitrary two or three, by the signal that the reading device diverse location with respect to dobbies is extracted, the signal recording with blade swinging signal harvester respectively compares, thereby when dobbies generation skips, can judge reason and position that skips occur, the appearance that for example judges skips is owing to driving the reciprocating mechanical part of blade in dobbies, or the circuit part due to reading device itself, or due to the control circuit part for reading device, thereby be more conducive to the diagnosis for fault, fix a breakdown quickly.
Embodiment 5
Embodiment 5 of the present utility model provides a kind of dobbies skips detection method.Described dobbies comprises at least one blade and for driving the reading device of described blade.This dobbies skips detection method comprises: obtain corresponding to the electromagnet of the dobbies reading device of the blade of dobbies and inhale and put operation signal; Detect described dobbies blade movement position, obtain the blade swinging signal of described dobbies; The same blade of more described dobbies is inhaled and is put operation signal and blade swinging signal at same operation electromagnet constantly, to determine that whether the two is consistent, if operation signal is put in described electromagnet suction and described blade swinging signal is at least constantly inconsistent in a certain operation, there are skips in output, otherwise output does not exist skips.
The detection method of embodiment 5 can be used checkout equipment arbitrary in embodiment 1-4 to realize.
The above is only exemplary embodiment of the present utility model, but not for limiting protection domain of the present utility model.Those of ordinary skills can carry out in the above teachings various interpolations, replacement and not exceed spirit of the present utility model and scope, and these interpolations, replacement etc. all should be included in scope of the present utility model.Protection domain of the present utility model is determined by appended claim.
Claims (6)
1. a dobbies skips checkout equipment, comprising:
Electromagnet signal acquisition device, is connected to the signal source of the reading device of dobbies or the reading device of described dobbies, obtains corresponding to the electromagnet of the dobbies reading device of the blade of dobbies and inhales and put operation signal;
Blade swinging signal harvester, comprises the sensor that detects the movement position of the corresponding blade of described dobbies under in working order, for obtaining blade swinging signal;
Comparison means, relatively inhales and puts operation signal and blade swinging signal at same operation electromagnet constantly for the same blade of described dobbies, to determine that whether the two is consistent; And
Output device, receives and exports the comparative result of described comparison means.
2. dobbies skips checkout equipment according to claim 1, also comprises:
Control device, controls described electromagnet signal acquisition device, described blade swinging signal harvester and described comparison means.
3. dobbies skips checkout equipment according to claim 1 and 2, also comprises:
Synchronous signal device, for being input to described comparison means by dobbies spindle synchronous signal.
4. dobbies skips checkout equipment according to claim 1 and 2, wherein, the electromagnet that described electromagnet signal acquisition device is connected to the reading device of described dobbies is inhaled and is put operation signal directly to obtain described electromagnet from the electromagnet of the reading device of described dobbies.
5. dobbies skips checkout equipment according to claim 4, wherein, described electromagnet signal acquisition device comprises shaping circuit, and electromagnet that described shaping circuit directly obtains the electromagnet of the reading device from described dobbies is inhaled and put operation signal and carry out shaping.
6. dobbies skips checkout equipment according to claim 1 and 2, wherein, the buffer that described electromagnet signal acquisition device is connected to the reading device of described dobbies obtains described electromagnet with the buffer of the reading device from described dobbies and inhales and put operation signal; Or the data source that described electromagnet signal acquisition device is connected to the reading device of described dobbies is inhaled and is put operation signal to obtain described electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320470399.0U CN203530562U (en) | 2013-08-02 | 2013-08-02 | Harness skip detection equipment of dobby machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320470399.0U CN203530562U (en) | 2013-08-02 | 2013-08-02 | Harness skip detection equipment of dobby machine |
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| Publication Number | Publication Date |
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| CN203530562U true CN203530562U (en) | 2014-04-09 |
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| CN201320470399.0U Expired - Lifetime CN203530562U (en) | 2013-08-02 | 2013-08-02 | Harness skip detection equipment of dobby machine |
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