CN1932106B - Pneumatic and electric controller for wefting slot airflow detector - Google Patents
Pneumatic and electric controller for wefting slot airflow detector Download PDFInfo
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- CN1932106B CN1932106B CN2006100880473A CN200610088047A CN1932106B CN 1932106 B CN1932106 B CN 1932106B CN 2006100880473 A CN2006100880473 A CN 2006100880473A CN 200610088047 A CN200610088047 A CN 200610088047A CN 1932106 B CN1932106 B CN 1932106B
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Abstract
The pneumatic and electric controller for wefting slot airflow detector includes several reed blades with notch, one main nozzle and one auxiliary nozzle. The reed blades are arranged in parallel, and the notch combination forms the wefting slot. The main nozzle is parallel to the wefting slot, and the exit of the auxiliary nozzle is opposite to the wefting slot. The auxiliary nozzle is fixed on the detector seat, and so does the airflow sensor. The airflow sensor is stretched into the wefting slot. The auxiliary nozzle is connected through pipeline to the high speed responding valve and the solenoid valve. The pneumatic and electric controller includes also one main control board connected electrically to the airflow sensor and the auxiliary nozzle separately. The pneumatic and electric controller is used to set technological parameters and to detect the airflow field in the wefting slot after technological parameter change.
Description
Technical field
The present invention relates to the air stream decetor in the wefting insertion groove on a kind of air-jet loom, particularly a kind of Pneumatic and electric controller of wefting slot airflow detector is used to control air stream decetor and detects the interior air-flow velocity of wefting insertion groove.
Background technology
In the prior art, slay is installed on the air-jet loom, reed is installed on the slay, this reed is rearranged by a plurality of reed wires, on each reed wire, have breach, a plurality of breach combinations promptly are formed for the wefting insertion groove of wefting insertion, main burner and pilot jet also are installed on the air-jet loom, the air stream outlet of main burner and pilot jet is facing to the wefting insertion groove, air flow jetting is gone in the wefting insertion groove, the air-flow of spurting in the wefting insertion groove promptly is used for wefting insertion, and the key element that forms the airflow field in the wefting insertion groove mainly comprises the air-flow that is sprayed by pilot jet, the passage that the back of the body between each reed wire loses heart stream and is made up of the breach on each reed wire, in order to stablize wefting insertion, shorten the response lag time, to cooperatively interact between each key element of formation airflow field, and owing to also do not have survey tool can analyze the influence of each technological parameter to the airflow field in the wefting insertion groove at present, so be difficult to each device on the air-jet loom is done to improve accurately and effectively.
Summary of the invention
The object of the invention provides a kind of Pneumatic and electric controller of wefting slot airflow detector, and it can control the velocity flow profile situation of air stream decetor check and analysis Wefting insertion in-slot air flow.
Technical scheme of the present invention is: a kind of Pneumatic and electric controller of wefting slot airflow detector, comprise a plurality of reed wires with breach, pilot jet, described a plurality of reed wire is arranged in together in parallel to each other, breach on described a plurality of reed wire is combined to form the wefting insertion groove, the puff prot of described pilot jet is facing to the wefting insertion groove, described pilot jet is fixedly set in to be surveyed on the seat, also be provided with sensor frame on the described detection seat, on the described sensor frame pneumatic sensor is installed, described pneumatic sensor stretches in the wefting insertion groove, described pilot jet and high-speed response valve, electromagnetic switch valve is connected in series mutually by pipeline, the control end of described high-speed response valve, the signal input part of pneumatic sensor is connected to master control borad respectively, when described master control borad output control signal, the control end of described high-speed response valve and the signal input part of pneumatic sensor receive described control signal synchronously, the control end of described high-speed response valve control high-speed response valve is opened, and makes to constitute the gas circuit that is communicated with between pilot jet and the electromagnetic switch valve; The signal receiving end of described pneumatic sensor is promptly controlled the pneumatic sensor unlatching after receiving control signal.
Described master control borad is electrically connected with the signal input part of electric controller, the signal output part of described electric controller is electrically connected main motor, the output shaft of described main motor is in transmission connection mutually with leading screw, described leading screw and the threaded engagement connection mutually of detection seat, the axial line of described leading screw is parallel with the bearing of trend of wefting insertion groove, when described master control borad is exported control signal, the signal input part of described electric controller receives control signal, and the output of described electric controller is controlled main motor and opened the main motor output signal of telecommunication.
Described detection seat is provided with the motor that traverses, the output shaft of the described motor that traverses is in transmission connection mutually with the leading screw that traverses, the axial line of the described leading screw that traverses parallels with the axial line of leading screw, described traverse leading screw and sensor frame threaded engagement connection mutually, the signal output part of described electric controller is electrically connected with the motor that traverses, and described electric controller is exported the signal of telecommunication to start the described motor that traverses to the motor that traverses.
Described electromagnetic switch valve and control cabinet are electrically connected, when described control cabinet is exported the signal of telecommunication to electromagnetic switch valve, described electromagnetic switch valve is opened after receiving the signal of telecommunication, makes described pilot jet, electromagnetic switch valve and high-speed response valve constitute the gas circuit that is communicated with.
Also be electrically connected with electromagnetic switch valve on the described control cabinet, described electromagnetic switch valve is connected in series by pipeline mutually with pilot jet, when the described control cabinet output signal of telecommunication is given electromagnetic switch valve, described electromagnetic switch valve is opened after receiving control signal, makes described electromagnetic switch valve constitute the gas circuit that is communicated with pilot jet.
The signal output part of described pneumatic sensor is electrically connected with testing arrangement, described testing arrangement also is electrically connected with master control borad, when described master control borad is exported control signal to testing arrangement, described testing arrangement receives control signal and is unlocked, described pneumatic sensor detects the airflow signal in the wefting insertion groove, the signal output part of described pneumatic sensor is transferred to testing arrangement with this airflow signal, carries out signal analysis by described testing arrangement.
The present invention compared with prior art, have following advantage: the Wefting insertion in-slot air flow field is mainly by the main jet air-flow, auxilliary gaseous blast, passage that breach on the reed wire is formed and the disappointing stream of the back of the body in reed wire gap synthesize, the present invention is used to control the flow velocity that pneumatic sensor is surveyed the jet-stream wind in the wefting insertion groove, to detect the stream condition in the wefting insertion groove, wherein, the signal of telecommunication that the stream pressure signal lag of pneumatic sensor induction is sent in master control borad, there is the response lag time, in order to stablize wefting insertion, understand the rule of response lag time, this Pneumatic and electric controller can be finished the setting of each technological parameter, and the detection to the Wefting insertion in-slot air flow field is finished after changes in process parameters in control, demonstrate the measured curve of this relation simultaneously, be beneficial to transformation and new machine design existing air-jet loom technology.
Description of drawings
Accompanying drawing 1 is a gas circuit structure schematic diagram of the present invention;
Accompanying drawing 2 is a process of gas path schematic diagram of the present invention;
Accompanying drawing 3 is a workflow schematic diagram of the present invention;
Accompanying drawing 4 is the voltage signal curve map of high-speed response valve of the present invention;
Accompanying drawing 5 is the structural representation of detector of the present invention;
Accompanying drawing 6 is a circuit schematic flow sheet of the present invention;
Accompanying drawing 7 is the air-flow response curve of pilot jet of the present invention;
Wherein: 1, main motor; 2, electric controller; 3, leading screw; 4, survey seat; 5, pilot jet; 6, sensor frame; 7, pneumatic sensor; 8, the motor that traverses; 9, the leading screw that traverses; 10, reed wire; 11, wefting insertion groove; 12, source of the gas; 13, regulating box; 14, auxilliary gas bag; 15, electromagnetic switch valve; 16, high-speed response valve; 17, voltage signal; 18, drive circuit; 19, electromagnetic switch valve; 20, control cabinet; 21, testing arrangement; 22, computer; 23, main gas bag; 24, main jet electromagnetic valve; 25, auxilliary main jet electromagnetic valve; 26, main burner; 27, auxiliary main burner; 28, master control borad; 29, signal converter; 30, jet pipe.
The specific embodiment
Referring to accompanying drawing 3, shown in the accompanying drawing 5-accompanying drawing 6, a kind of Pneumatic and electric controller of wefting slot airflow detector, comprise a plurality of reed wires 10 with breach, main burner 26, pilot jet 5, described a plurality of reed wire 10 is arranged in together in parallel to each other, breach on described a plurality of reed wire 10 is combined to form wefting insertion groove 11, the jet pipe 30 of described main burner 26 is parallel to wefting insertion groove 11, the puff prot of described pilot jet 5 is facing to wefting insertion groove 11, described pilot jet 5 is fixedly set in to be surveyed on the seat 4, also be provided with sensor frame 6 on the described detection seat 4, on the described sensor frame 6 pneumatic sensor 7 is installed, described pneumatic sensor 7 stretches in the wefting insertion groove 11.
Described pilot jet 5, high-speed response valve 16 and electromagnetic switch valve 15 are connected in series mutually by pipeline, the signal input part of the control end of described high-speed response valve 16, pneumatic sensor 7 is connected to master control borad 28 respectively, when described master control borad 28 output control signals, the signal input part of the control end of described high-speed response valve 16 and pneumatic sensor 7 receives control signal synchronously, the control end of described high-speed response valve 16 control high-speed response valve 16 is opened, and makes the gas circuit that formation is communicated with between pilot jet 5 and the electromagnetic switch valve 15; The signal receiving end of described pneumatic sensor 7 is promptly controlled pneumatic sensor 7 unlatchings after receiving control signal.
Described electromagnetic switch valve 15 is electrically connected with control cabinet 20,20 pairs of electromagnetic switch valves of described control cabinet, the 15 output signals of telecommunication, open after described electromagnetic switch valve 15 receives the signal of telecommunication, make described pilot jet 5, electromagnetic switch valve 15 and high-speed response valve 16 constitute the gas circuit that is communicated with.
Described master control borad 28 is electrically connected with the signal input part of electric controller 2, the signal output part of described electric controller 2 is electrically connected main motor 1, the output shaft of described main motor 1 is in transmission connection mutually with leading screw 3, described leading screw 3 and detection seat 4 threaded engagement connection mutually, the axial line of described leading screw 3 parallels with the bearing of trend of wefting insertion groove 11, when described master control borad 28 is exported control signals, the signal input part of described electric controller 2 receives control signal, and the output of described electric controller 2 is controlled main motor 1 and opened the main motor 1 output signal of telecommunication.
Shown in accompanying drawing 1-accompanying drawing 2, this Pneumatic and electric controller also comprises main gas bag 23, auxilliary gas bag 14, be connected with main jet electromagnetic valve 24 between described main gas bag 23 and the main burner 26, also connect auxiliary main burner 27 on the described main gas bag 23, between described main gas bag 23 and auxiliary main burner 27, be provided with auxilliary main jet electromagnetic valve 25; Promptly be connected described electromagnetic switch valve 15 and high-speed response valve 16 between auxilliary gas bag 14 and the pilot jet 5; By 12 pairs of main burners 26 of source of the gas, auxiliary main burner 27, pilot jet 5 air feed, air-flow enters respectively in main gas bag 23 and the auxilliary gas bag 14 after 13 pressure regulation of source of the gas 12 process regulating boxs, filtration, and then from main burner 26, spray, from auxiliary main burner 27, eject through main jet electromagnetic valve 24 by main gas bag 23 respectively through auxilliary main jet electromagnetic valve 25, or eject from pilot jet 5 through electromagnetic switch valves 15 and high-speed response valve 16 by auxilliary gas bag 14, the air-flow that ejects in each nozzle enters in the wefting insertion groove 11, is used for weft traction.The used in jet loom high velocity air is as the wefting insertion medium, weft yarn is along 11 flights of wefting insertion groove in the wefting insertion process, filling speed reaches the 70-100 meter per second, the about 2-4 rice of Flight Length, what weft traction flew is high velocity air, air-flow is passed to weft yarn to self speed by frictional force, the speed of air-flow must be higher than filling speed, therefore, there is the flow field in the wefting insertion groove 11, air velocity height in the flow field, and require must stablize at the reed width scope flow field of 2-4 rice, the wefting insertion performance depends on the state of the high velocity air in the wefting insertion groove 11, and the pneumatic sensor 7 among the present invention promptly is used to survey the velocity flow profile state of the air-flow in the wefting insertion groove 11.
The action of high-speed response valve 16 is by master control borad 28 controls, wherein, referring to the air-flow response curve of the pilot jet 5 shown in the accompanying drawing 7 as can be known, high-speed response valve 16 can be finished switch motion in several milliseconds, axis of abscissa represents that the time, (unit: millisecond), Y axis Y was represented air pressure (unit: crust among Fig. 7; 1 crust=100,000 handkerchief).By master control borad 28 output voltage signals 17 (seeing shown in the accompanying drawing 3), carry out switch motion through overdrive circuit 18 control high-speed response valves 16, the voltage signal 17 of control pilot jet 5 is divided into two parts, be high pressure pumping signal and low pressure inhibit signal, see shown in the accompanying drawing 4, axis of abscissa is represented time (unit: millisecond) among Fig. 4, Y axis Y is represented voltage (unit: volt), the high pressure pumping signal is used for control and opens high-speed response valve 16, can shorten the lag time of high-speed response valve 16 ventilations, in the example shown in Figure 4, the high pressure pumping signal continues usually in 10 milliseconds, after can adopt low-voltage signal.By the control of 28 pairs of high-speed response valves 16 of master control borad, can realize ordered control to pilot jet 5 jet-stream winds, pneumatic sensor 7 collects time-domain signal, converts the air-flow velocity signal to.20 of control cabinets are used to control the air flow jetting state of pilot jet 5, between pilot jet 5 and auxilliary gas bag 14, also directly be connected with electromagnetic switch valve 19, when the described control cabinet 20 output signals of telecommunication are given electromagnetic switch valve 19, open after described electromagnetic switch valve 19 receives control signal, make described auxilliary gas bag 14, electromagnetic switch valve 19 and pilot jet 5 constitute the gas circuit that is communicated with.By the selection control of control cabinet 20, can make pilot jet 5 realize normal spray (electromagnetic switch valve 19 is opened, and pilot jet 5 is promptly jet always) or clearance-type jet (pressing the automatically controlled signal of master control borad 28 outputs, the on off state of control high-speed response valve 16).
Shown in accompanying drawing 5, described detection seat 4 is provided with the motor 8 that traverses, the output shaft of the described motor 8 that traverses is in transmission connection mutually with the leading screw 9 that traverses, the axial line of the described leading screw 9 that traverses parallels with the axial line of leading screw 3, described traverse leading screw 9 and sensor frame 6 threaded engagement connection mutually, the signal output part of described electric controller 2 is electrically connected with the motor 8 that traverses, can control the described motor 8 that traverses when 2 pairs of described electric controllers traverse the motor 8 output signals of telecommunication starts, the motor 8 that traverses can drive the leading screw 9 that traverses and rotate, has nut (usual means on the sensor frame 6, do not show among the figure), by cooperating of the nut on the screw thread on the leading screw 9 that traverses and the sensor frame 6, make sensor frame 6 move relative to pilot jet 5, to regulate the distance between pneumatic sensor 7 and the pilot jet 5, make pneumatic sensor 7 measure the changing condition of jet-stream wind in its EFFECTIVE RANGE scope of pilot jet 5.
Shown in accompanying drawing 3, accompanying drawing 6, the signal output part of described pneumatic sensor 7 is electrically connected with testing arrangement 21, and described testing arrangement 21 also is electrically connected with master control borad 28, is electrically connected with signal converter 29 between testing arrangement 21 and pneumatic sensor 7.When 28 pairs of testing arrangements of described master control borad, 21 output control signals, described testing arrangement 21 receives control signal and is unlocked, described pneumatic sensor 7 detects the airflow signal in the wefting insertion groove 11, export from the signal transmitting terminal of pneumatic sensor 7 then, pneumatic sensor 7 forms flow velocity signal with the conversion of the time-domain signal process signal converter 29 of collection, receive this flow velocity signal and carry out signal analysis by described testing arrangement 21, be transferred to again in the computer 22, to demonstrate analysis result, computer 22 is also by master control borad 28 controls, the order of master control borad 28 each action of control, the air flow jetting of control pilot jet 5, pneumatic sensor 7 detects action, and coordinates the control of high-speed response valve 16, the start-up control of the main motor 1 and the motor 8 that traverses, the detection of pneumatic sensor 7, the signal record of the work of signal converter 29 and testing arrangement 21 and computer 22.
Claims (6)
1. the Pneumatic and electric controller of a wefting slot airflow detector, comprise a plurality of reed wires (10) with breach, pilot jet (5), described a plurality of reed wire (10) is arranged in together in parallel to each other, breach on described a plurality of reed wire (10) is combined to form wefting insertion groove (11), the puff prot of described pilot jet (5) is facing to wefting insertion groove (11), it is characterized in that: described pilot jet (5) is fixedly set in to be surveyed on the seat (4), also be provided with sensor frame (6) on the described detection seat (4), pneumatic sensor (7) is installed on the described sensor frame (6), described pneumatic sensor (7) stretches in the wefting insertion groove (11), described pilot jet (5) and high-speed response valve (16), first electromagnetic switch valve (15) is connected in series mutually by pipeline, the control end of described high-speed response valve (16), the signal input part of pneumatic sensor (7) is connected to master control borad (28) respectively, when described master control borad (28) output control signal, the signal input part of the control end of described high-speed response valve (16) and pneumatic sensor (7) receives described control signal synchronously, the control end of described high-speed response valve (16) control high-speed response valve (16) is opened, and makes the gas circuit that formation is communicated with between pilot jet (5) and first electromagnetic switch valve (15); The signal receiving end of described pneumatic sensor (7) is promptly controlled pneumatic sensor (7) unlatching after receiving control signal.
2. the Pneumatic and electric controller of wefting slot airflow detector according to claim 1, it is characterized in that: described master control borad (28) is electrically connected with the signal input part of electric controller (2), the signal output part of described electric controller (2) is electrically connected main motor (1), the output shaft of described main motor (1) is in transmission connection mutually with leading screw (3), described leading screw (3) and detection seat (4) threaded engagement connection mutually, the axial line of described leading screw (3) is parallel with the bearing of trend of wefting insertion groove (11), when described master control borad (28) output control signal, the signal input part of described electric controller (2) receives control signal, and the output of described electric controller (2) is controlled main motor (1) and opened main motor (1) the output signal of telecommunication.
3. the Pneumatic and electric controller of wefting slot airflow detector according to claim 2, it is characterized in that: described detection seat (4) is provided with the motor that traverses (8), the output shaft of the described motor that traverses (8) is in transmission connection mutually with the leading screw that traverses (9), the axial line of the described leading screw that traverses (9) parallels with the axial line of leading screw (3), described leading screw that traverses (9) and sensor frame (6) threaded engagement connection mutually, the signal output part of described electric controller (2) is electrically connected with the motor (8) that traverses, and described electric controller (2) is exported the signal of telecommunication to start the described motor that traverses (8) to the motor that traverses (8).
4. the Pneumatic and electric controller of wefting slot airflow detector according to claim 1, it is characterized in that: described first electromagnetic switch valve (15) is electrically connected with control cabinet (20), when described control cabinet (20) is exported the signal of telecommunication to first electromagnetic switch valve (15), open after described first electromagnetic switch valve (15) receives the signal of telecommunication, make described pilot jet (5), first electromagnetic switch valve (15) and high-speed response valve (16) constitute the gas circuit that is communicated with.
5. the Pneumatic and electric controller of wefting slot airflow detector according to claim 4, it is characterized in that: also be electrically connected with second electromagnetic switch valve (19) on the described control cabinet (20), described second electromagnetic switch valve (19) is connected in series by pipeline mutually with pilot jet (5), when described control cabinet (20) the output signal of telecommunication is given second electromagnetic switch valve (19), open after described second electromagnetic switch valve (19) receives control signal, make described second electromagnetic switch valve (19) constitute the gas circuit that is communicated with pilot jet (5).
6. the Pneumatic and electric controller of wefting slot airflow detector according to claim 1, it is characterized in that: the signal output part of described pneumatic sensor (7) is electrically connected with testing arrangement (21), described testing arrangement (21) also is electrically connected with master control borad (28), when described master control borad (28) is exported control signal to testing arrangement (21), described testing arrangement (21) receives control signal and is unlocked, described pneumatic sensor (7) detects the airflow signal in the wefting insertion groove (11), the signal output part of described pneumatic sensor (7) is transferred to testing arrangement (21) with this airflow signal, carries out signal analysis by described testing arrangement (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100880473A CN1932106B (en) | 2006-06-15 | 2006-06-15 | Pneumatic and electric controller for wefting slot airflow detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100880473A CN1932106B (en) | 2006-06-15 | 2006-06-15 | Pneumatic and electric controller for wefting slot airflow detector |
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| Publication Number | Publication Date |
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| CN1932106A CN1932106A (en) | 2007-03-21 |
| CN1932106B true CN1932106B (en) | 2011-03-30 |
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| CN2006100880473A Active CN1932106B (en) | 2006-06-15 | 2006-06-15 | Pneumatic and electric controller for wefting slot airflow detector |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1018324A3 (en) * | 2008-10-22 | 2010-09-07 | Picanol Nv | METHOD AND DEVICE FOR CHECKING AN INSERT SYSTEM FOR A WEAVING MACHINE. |
| EP2319968B1 (en) * | 2009-11-09 | 2013-01-02 | ITEMA S.p.A. | Air control system for inserting a weft yarn in a pneumatic weaving loom |
| CN101957272A (en) * | 2010-09-29 | 2011-01-26 | 江苏万工科技集团有限公司 | Airstream detector for measuring ejecting performance of auxiliary nozzle on site |
| CN102146606B (en) * | 2010-11-17 | 2012-06-27 | 江苏万工科技集团有限公司 | Air flow adjusting method and air flow adjusting device for auxiliary jet nozzle of loom |
| CN103160999A (en) * | 2013-03-14 | 2013-06-19 | 山东日发纺织机械有限公司 | Flow meter device special for air jet loom |
| CN105420895B (en) * | 2015-12-30 | 2017-03-22 | 吴江万工机电设备有限公司 | Measurement device for core airflow in reed groove |
| CN106781044A (en) * | 2016-12-14 | 2017-05-31 | 新开普电子股份有限公司 | Tamper intelligent gas meter with GPRS functions |
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| EP0480450B1 (en) * | 1990-10-12 | 1994-07-20 | TSUDAKOMA Corp. | Method of measuring air-speed in a reed groove |
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| US4640316A (en) * | 1985-01-17 | 1987-02-03 | Nissan Motor Co., Ltd. | Flow velocity distribution detecting system |
| EP0480450B1 (en) * | 1990-10-12 | 1994-07-20 | TSUDAKOMA Corp. | Method of measuring air-speed in a reed groove |
Non-Patent Citations (3)
| Title |
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| JP昭62-257443A 1987.11.10 |
| 祝章琛，韩万军，邢喜荣.主喷射气流的高速响应特性及其可控制性.纺织学报15 11.1994,15(11),8-12. |
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Effective date of registration: 20160714 Address after: 215223 Jiangsu Province, Wujiang District of Suzhou City Heng Shan Zhen Wan Ping Road Development Patentee after: Wujiang Wan Gong mechanical & electronic equipment corporation, Ltd Address before: 215223 Wujiang City, Jiangsu province wanpin town Patentee before: Jiangsu Wangong Science and Technology Group Co., Ltd. |