CN101701965A - Measuring device of jet airflow reaching reed groove - Google Patents
Measuring device of jet airflow reaching reed groove Download PDFInfo
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- CN101701965A CN101701965A CN200910186573A CN200910186573A CN101701965A CN 101701965 A CN101701965 A CN 101701965A CN 200910186573 A CN200910186573 A CN 200910186573A CN 200910186573 A CN200910186573 A CN 200910186573A CN 101701965 A CN101701965 A CN 101701965A
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- reed
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- reed groove
- pneumatic sensor
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Abstract
The invention relates to a measuring device of jet airflow reaching a reed groove, comprising an auxiliary nozzle for jetting airflow to the inside of the reed groove of a profiled reed, an air source providing airflow to the auxiliary nozzle, a plurality of airflow sensors for detecting the speed condition of the airflow in the reed groove, and a display device for reflecting the speed of the airflow, wherein the airflow sensors transmit detected signal data to the display device which reflects the speed of the airflow in the reed groove. The airflow sensors sense an airflow signal in the reed groove and transmit the detected airflow signal to the display device which correspondingly displays according to the speed condition of the airflow, thereby facilitating observing and knowing a gas flowing state in the reed groove by researchers, providing online state display for the condition that whether the jet airflow is normal or not and improving a jet system of the auxiliary nozzle according to actual demands.
Description
Technical field
The present invention relates to a kind of device that is used to measure the state that is ejected into the air-flow in the reed groove, be applied on the air-jet loom.
Background technology
Air-jet loom utilizes moving gaseouse medium to realize wefting insertion, and the wefting insertion route of air-jet loom is: air-flow carries the spout ejection of weft yarn from main burner, a plurality of assistant nozzle jet air flows of arranging along reed width and form weft tracting flow, this weft tracting flow connects and draws the reed groove that main jet air-flow guiding weft yarn enters special-shaped reed.Wefting insertion action pilot jet jet-stream wind is successively realized, and the injecting time section of adjacent pilot jet can be overlapped, for reaching the stable purpose of wefting insertion, the researchist will understand the jet time of pilot jet, grasp the time that jet-stream wind arrives each position of reed width, so that structure is made improvements.And do not reflect the measurement mechanism of the flow state of jet-stream wind in the reed groove on the present air-jet loom, arranged sensor on the loom that has, catch the signal of weft yarn when catching the latitude position in order to arrive at weft yarn, and the flow state of air-flow can not be learnt in the reed width scope, can not help the researchist that the spraying system of pilot jet is made and analyze and improve.
Summary of the invention
The object of the invention will overcome above-mentioned technical matters exactly, and a kind of measurement mechanism of jet airflow reaching reed groove is provided, and arrives the speed state of the jet-stream wind in the reed groove when it can measure and reflect loom place operating condition.
Technical scheme of the present invention provides a kind of measurement mechanism of jet airflow reaching reed groove, it comprises the pilot jet that is used for jet-stream wind in the reed groove of special-shaped reed, the source of the gas of air-flow is provided to pilot jet, be used to survey a plurality of pneumatic sensors of gas velocity situation in the reed groove, the display device of reflection gas velocity, pneumatic sensor is transferred to display device with the signal data of surveying, and by display device the gas velocity in the reed groove is reflected.Airflow signal in the pneumatic sensor perception reed groove, and by the gas velocity state in the display device demonstration reed groove, personnel for deliberation understand the flow state of air-flow in the reed groove intuitively.
Further, display device can mainly be made of the transmitter, data-analyzing machine and the display lamp that link to each other successively, pneumatic sensor is transferred to data-analyzing machine with signal data through transmitter, and data-analyzing machine outputs signal to display lamp, control display lamp reflection gas velocity.The simple structure of this display device, the gas velocity signal that can utilize the demonstration situation of display lamp immediately pneumatic sensor to be detected shows, and the researchist also is easy to the grasp situation.
Further, each pneumatic sensor should be corresponding to one group of display lamp, and one group of display lamp can comprise three display lamps, and three display lamps correspond respectively to high, medium and low three kinds of gas velocities.Reflect three kinds of gas velocities in the reed groove respectively by three display lamps, thereby be easier to make the researchist to understand gas velocity state in the reed groove intuitively.
Preferably, pneumatic sensor preferably evenly distributes along reed width, and the spacing between adjacent two pneumatic sensors is the 50-100 millimeter.Pneumatic sensor is arranged in interval corresponding to each pilot jet jet-stream wind in the reed groove equably, and the gas velocity signal that makes each pneumatic sensor detect can reflect the situation that arrives the jet-stream wind in the reed groove truly.
Preferably, pneumatic sensor is a microbridge formula airflow quality sensor, has silicon in the pneumatic sensor, and silicon comprises thin film circuit, heat-sensitive element and microbridge circuit.Microbridge formula airflow quality sensor has the advantages that small size and heat are isolated, and helps air-flow and responds fast and have the high sensitivity advantage, is applicable to small gas flow is measured.
Because warp thread moves up and down between reed wire, for fear of contacting with warp thread, preferably, pneumatic sensor can be along the top that vertically is installed on reed wire of the reed wire of special-shaped reed, and this arrangement also can improve the precision of the measurement result of pneumatic sensor.
The present invention compared with prior art, has following advantage: by the airflow signal in the pneumatic sensor detection reed groove, and pneumatic sensor is transferred to display device with the airflow signal that records, display device is done corresponding the demonstration according to the speed conditions of air-flow, observe the flowing gas state of understanding in the reed groove for the researchist with this, for whether normal jet-stream wind wefting insertion provide online state to show, thereby can be according to the actual requirements the spraying system of pilot jet be made improvements.
Description of drawings
Accompanying drawing 2 is the structural drawing of reflection according to the mounting means of a kind of pneumatic sensor of the invention process;
Accompanying drawing 3 is the sketch of the installation site of pneumatic sensor in displayed map 1 shown device and the special-shaped relatively reed of pilot jet;
Wherein: 1, source of the gas; 2, solenoid valve; 3, main burner; 4, pilot jet;
5, special-shaped reed; 50, reed groove; 51, reed wire; 52, reed cap; 53, breach;
6, pneumatic sensor; 7, transmitter; 8, data-analyzing machine;
9, display lamp; 91, low-flow speed display lamp; 92, middle gas velocity display lamp; 93, high gas flow speed display lamp.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment content of the present invention is described in detail,, omits diagram and concrete the introduction for the part identical with the prior art content.
Air-jet loom utilizes air-flow to realize wefting insertion, and as shown in Figure 1, weft yarn is with the spout ejection of air-flow from main burner 3, and reed groove 50 jet-stream winds of 4 pairs of special-shaped reed 5 of pilot jet draw the main jet air-flow and are used for wefting insertion to connect.1 pair of main burner 3 of source of the gas and pilot jet 4 provide air-flow, are used to control the solenoid valve 2 that gas circuit is opened and also be provided with before main burner 3 and pilot jet 4.
Above-mentioned is existing structure on the air-jet loom, does not repeat them here for its detailed structure, connected mode and principle of work.
The flow state of air-flow in reed groove 50 arranges a plurality of pneumatic sensors 6 to come the airflow signal of perception along reed width along reed width in order to record wefting insertion the time.Pneumatic sensor 6 preferably evenly distributes along reed width in the mode of equidistant arrangement, and the spacing between the adjacent pneumatic sensor 6 is preferably the 50-100 millimeter.Pneumatic sensor 6 is transferred to transmitter 7 with the airflow signal that records, and to data-analyzing machine 8, data-analyzing machine 8 is exported control signal after treatment and given display lamp 9 by transmitter 7 outputting data signals, and every group of display lamp 9 is corresponding to a pneumatic sensor 9.
Among the embodiment shown in Figure 1, every group of display lamp 9 is made up of three lamps, is respectively low-flow speed display lamp 91, middle gas velocity display lamp 92 and high gas flow speed display lamp 93, when 91 flickers of low-flow speed display lamp, show that the air-flow in the reed groove 50 is undesired, pressure is on the low side; When central gas velocity display lamp 92 glimmers, show that the air-flow in the reed groove 50 is normal; When 93 flickers of high gas flow speed display lamp, show that the stream pressure in the reed groove 50 is bigger than normal.Three lamps of every group of display lamp 9 can be different color, so that the researchist observes and goes and finds out what's going on.
In the preferred embodiment that the present invention adopts, pneumatic sensor 6 is a microbridge formula airflow quality sensor, this Miniature Sensor is open on the market, it contains silicon, chip comprises thin film circuit, heat-sensitive element and microbridge circuit, this sensor is crossed the heat transfer principle of work of sensing element based on air flow stream, the output voltage of sensor is proportional to the quality of air or other gas of the import and export of flowing through inner sensing element, its housing accurately guides and controls air flow stream and cross microbridge, the microbridge circuit to the air-flow that flows through chip fast, response delicately.The gas velocity measurement scope of microbridge formula airflow quality sensor is the 0.15-10 meter per second, its compact dimensions, ability with high reliability and anti-vibration, be suitable for tiny flow quantity is measured, be used for the gas jet in the reed groove 50 of special-shaped reed 5 is measured, its precision height also can be controlled display device by the mode of output voltage and reflect the gas velocity situation intuitively.
The mounting means of pneumatic sensor 6 can be installed in pneumatic sensor 6 on reed wire 51 tops of special-shaped reed 5 with reference to Fig. 2 and shown in Figure 3.Have breach 53 on the reed wire 51 of abnormity reed 5, constitute Fig. 1 and reed groove 50 shown in Figure 3 along the breach 53 on the special-shaped reed 5 of reed width arrangement, be used for passing through for weft yarn, the upper end of reed wire 5 is reed cap 52 fixedly, pneumatic sensor 6 can be fixed on the reed cap 52 as shown in Figure 1, and pilot jet 4 then can be arranged in the bottom of reed wire 51, its spout is facing to reed groove 50, as shown in Figure 1.
More than specific embodiment of the present invention is illustrated in conjunction with diagram; but protection content of the present invention is not only limited to above embodiment, in affiliated technical field of the present invention, and the common knowledge of a GPRS; just can in its technology main idea scope, carry out diversified change.
Claims (6)
1. the measurement mechanism of a jet airflow reaching reed groove, it is characterized in that: it comprises the pilot jet that is used for jet-stream wind in the reed groove of special-shaped reed, the source of the gas of air-flow is provided to pilot jet, is used to survey a plurality of pneumatic sensors of gas velocity situation in the reed groove, the display device of reflection gas velocity, described pneumatic sensor is transferred to display device with the signal data of surveying, and described display device reflects the gas velocity in the reed groove.
2. measurement mechanism according to claim 1, wherein, described display device comprises transmitter, data-analyzing machine and the display lamp that links to each other successively, described pneumatic sensor is transferred to data-analyzing machine with signal data through transmitter, described data-analyzing machine outputs signal to display lamp, control display lamp reflection gas velocity.
3. measurement mechanism according to claim 2, wherein, each pneumatic sensor is corresponding to one group of display lamp, and described one group of display lamp comprises three display lamps, and three display lamps correspond respectively to high, medium and low three kinds of gas velocities.
4. according to the described measurement mechanism of one of claim 1-3, wherein, described pneumatic sensor evenly distributes along reed width, and the spacing between adjacent two pneumatic sensors is the 50-100 millimeter.
5. according to the described measurement mechanism of one of claim 1-3, wherein, described pneumatic sensor is a microbridge formula airflow quality sensor, has silicon in the pneumatic sensor, and silicon comprises thin film circuit, heat-sensitive element and microbridge circuit.
6. according to the described measurement mechanism of one of claim 1-3, wherein, described pneumatic sensor is along the top that vertically is installed on reed wire of the reed wire of special-shaped reed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910186573A CN101701965A (en) | 2009-11-25 | 2009-11-25 | Measuring device of jet airflow reaching reed groove |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910186573A CN101701965A (en) | 2009-11-25 | 2009-11-25 | Measuring device of jet airflow reaching reed groove |
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| CN101701965A true CN101701965A (en) | 2010-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910186573A Pending CN101701965A (en) | 2009-11-25 | 2009-11-25 | Measuring device of jet airflow reaching reed groove |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102538721A (en) * | 2010-12-08 | 2012-07-04 | 天津纺织工程研究院有限公司 | Testing method for airflow trough of steel reed for air-jet loom |
| CN102749103A (en) * | 2012-07-17 | 2012-10-24 | 绍兴文理学院 | Reed detector and detecting method thereof |
| CN105352678A (en) * | 2015-11-23 | 2016-02-24 | 吴江万工机电设备有限公司 | Reed groove air flow sealing test device |
-
2009
- 2009-11-25 CN CN200910186573A patent/CN101701965A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102538721A (en) * | 2010-12-08 | 2012-07-04 | 天津纺织工程研究院有限公司 | Testing method for airflow trough of steel reed for air-jet loom |
| CN102749103A (en) * | 2012-07-17 | 2012-10-24 | 绍兴文理学院 | Reed detector and detecting method thereof |
| CN105352678A (en) * | 2015-11-23 | 2016-02-24 | 吴江万工机电设备有限公司 | Reed groove air flow sealing test device |
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Application publication date: 20100505 |