CN101000286A - Water spray impulse sensor - Google Patents
Water spray impulse sensor Download PDFInfo
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- CN101000286A CN101000286A CNA2007100666313A CN200710066631A CN101000286A CN 101000286 A CN101000286 A CN 101000286A CN A2007100666313 A CNA2007100666313 A CN A2007100666313A CN 200710066631 A CN200710066631 A CN 200710066631A CN 101000286 A CN101000286 A CN 101000286A
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- water
- elastic beam
- water spray
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- stressed plate
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Abstract
The invention relates to water spray impulse sensor. It includes sleeve in which stress board and spring beam are set. The water passing way is formed between the sleeve and stress board. And the spring beam is set at least one pair of sensing sheet formed balanced bridge. When the water flow impacts the stress board, it makes the spring beam bend, the sensing sheet also bend which can increase resistance, reduce voltage, and make the bridge lose balance. Opposite angle output end outputs measured signal that unbalance voltage or current signal. This structure uses resistance sensing sheet to measure spray water impulse which has the advantages of convenient and reliable operation, effective and precise testing, easy for real time data acquisition and transfer, convenient for technique upgrading and reforming.
Description
Technical field
The present invention relates to a kind of sensor, be meant a kind of water spray impulse sensor that is applied to test nozzle water spray impulse size under water spraying mechanism different parameters combination condition on the water-jet loom specifically.
Background technology
One of the water-jet loom Woven fabric refers to that mainly the border is the fabric width of fabric, it is the fabric width that we say usually, and the size of fabric width is that the flying distance of weft yarn determines when being weaved by water-jet loom, understand or grasp the weft yarn flying distance of water spraying mechanism under the different parameters combination condition, as long as the water spray impulse of indirectly testing under same water spraying mechanism different parameters combination condition can obtain, the method that is used to test the loom water spray impulse at present has the method for testing of catchmenting, promptly place an annular container that is used to collect the water-jet loom nozzle ejection water yield in water-jet loom shed open center, and according to the size of how much weighing water spray impulse of collecting the water yield, this method is simple to operation, test easily, particularly water-jet loom is undergone technological transformation and the correlative study of performance boost, perhaps water spray is weaved the water spraying mechanism parameter and carry out the technology adjustment according to the different needs of Woven fabric, all very practical and have higher efficient and a better economic benefits, yet in the actual use, still there are many defectives in the operation of this method of testing, as it is not accurate enough and data validity that cause obtaining decreases to collect the water yield, in addition number pick gather in real time and transmission aspect having difficulties, particularly data computing machine statistical study difficulty is bigger etc.
Summary of the invention
Technical matters to be solved by this invention be to overcome the defective of prior art and provide a kind of convenient and reliable operation, test efficient accurately, be easy to the real-time data acquisition transmission and be convenient to the water spray impulse sensor that technology upgrading is transformed.
Technical matters of the present invention is achieved through the following technical solutions:
A kind of water spray impulse sensor, it is characterized in that described sensor comprises is provided with the sleeve that is subjected to the water hole, be provided with stressed plate and diastrophic elastic beam in the sleeve, form between sleeve and the stressed plate and be communicated with the waterway that is subjected to the water hole, elastic beam is provided with at least one pair of sensing chip that connects sensor circuit and constitute balanced bridge, this sensing chip is subjected to elastic beam flexural deformation and makes the synchronous out of trim of electric bridge, and then at the big or small measuring-signal that is directly proportional with the elastic beam plus load of diagonal angle output terminal output.
Described stressed plate cross section is " T " font.
Described stressed plate and elastic beam are conjoined structure or split bonded structure.
Sensing chip is 1～2 pair, is symmetrically distributed in the both sides, center of elastic beam.
Be coated with diaphragm on the described sensing chip.
Compared with prior art, the momentum size that the present invention utilizes the principle of resistance sensing chip to test the suffered jet water course of diverse location on the jet water course axial line, thereby obtain the momentum test, when the water impact stressed plate that entered by the water hole, the elastic beam that is connected with stressed plate produces flexural deformation, sensing chip on the elastic beam also produces flexural deformation, resistance is increased, voltage reduces, the electric bridge out of trim, the diagonal angle output terminal is promptly exported the measuring-signal that is directly proportional with the elastic beam plus load, and this structure has convenient and reliable operation, test is accurately efficient, be easy to the real-time data acquisition transmission, be convenient to the advantage that technology upgrading is transformed.
Description of drawings
Fig. 1 is a sectional structure synoptic diagram of the present invention.
Fig. 2 is the left view of Fig. 1.
Embodiment
To elaborate again to the embodiment of the invention by above-mentioned accompanying drawing below.
As Fig. 1～shown in Figure 2, water spray impulse sensor, comprise that diameter is the circular sleeve 1 of 4cm～5cm, what sleeve had an adjustable size is subjected to water hole 2, be provided with in the sleeve over against the stressed plate 3 that is subjected to the water hole, the topside area of this stressed plate is greater than being subjected to the water hole, and its cross section is " T " font, because of the do not exist together impulsive force of jet water course in the test point cross section is heterogeneous, uses " T " font stressed plate and transmit demarcation and the accuracy thereof that impulsive force can make things convenient for sensor.Form between sleeve and the stressed plate and be communicated with the waterway 4 that is subjected to the water hole; stressed plate 3 is bonded in the middle part of elastic beam 5; also can be directly and elastic beam make conjoined structure; elastic beam is threaded on the inwall of sleeve 1; the middle part of elastic beam can occur bending and deformation under the effect of plus load; in it; outside surface also is pasted with two pairs of sensing chips 6 that are symmetrically distributed in both sides, elastic beam center with metal-to-metal adhesive; sensing chip adopts the induction metal material to be made; concrete long; wide and thickness can according to circumstances design; the paste position of sensing chip can be tried one's best near the medium position of elastic beam 5; help responding to fast plus load and give the elastic beam applied pressure; increase induction sensitivity; this sensing chip 6 belongs to the electronic component on the circuit; be connected in series in sensor circuit and constitute balanced bridge; cover the protective film 7 that one deck adopts waterproof material to make on the sensing chip, can prevent that sensing chip from contacting with water for a long time and come off, and protects the external circuits of sensing chip simultaneously.
Sleeve 1, stressed plate 3 and elastic beam 5 can be made of copper, stressed plate must guarantee under any momentum all indeformable, elastic beam can occur bending and deformation when the impact that is subjected to plus load, resilient again when external force disappears, the test of this sensor also can be carried out the corresponding structure adjustment according to extraneous injection flow rate and the different of water spray pressure, for example be subjected to water hole 2 to have diameter and be generally different sizes such as 0.8cm～1.2cm, can change at any time; Stressed plate 3 and also can between 1cm～1.5cm, adjust by the distance in water hole, when water spray impulse is excessive, can suitably elastic beam 5 be screwed out sleeve, this moment stressed plate 3 be subjected to water hole 2 apart from strain is big mutually, be that waterway 4 becomes big, just can avoid during the water impact stressed plate supporting the problem that influences measuring accuracy immediately following current thereafter of dashing because of the current bounce-back that impulse force is crossed on ambassador's stressed plate; When water spray impulse is too small, suitably with in the elastic beam 5 precession sleeves, this moment stressed plate be subjected to corresponding the diminishing of distance in water hole, promptly waterway 4 diminishes, and just can avoid during the water impact stressed plate can't making the crooked problem of testing less than signal of elastic beam because of impulse force is too small.The size of waterway also can be regulated by the sleeve of changing different interior hole dimensions.
The principle of work of this structure is: when the beginning and end add load originally, and the voltage or the current output signal of diagonal angle output terminal output balance; When acting on elastic beam 5 by stressed plate 3, plus load make its generation be proportional to the flexural deformation of plus load, the sensing chip 6 that stick on the elastic beam this moment also produces flexural deformation, resistance is increased, voltage reduces, the electric bridge out of trim, thereby export unbalanced voltage or current output signal at the diagonal angle output terminal, this output signal also is proportional to plus load.
The present invention is installed on the various weaving looms and uses, be when new product or Product Renewal weaving process, when needing to adjust loom weaving mechanism parameter, be used for judging that by the indirectly testing water spray impulse can corresponding weaving mechanism parameter combinations satisfy requirements of weaving process, to adapt to the needs of weaving reflection fast, can avoid simultaneously the wastage of material that direct looming weaving brings and the loss of time that repeatedly test weaving produced, it is a momentum size of utilizing the principle of resistance sensing chip to test the suffered jet water course of diverse location on the jet water course axial line, control the sectional area size of water jet shock transducer stressed plate 3 by the water hole radius size that is subjected to that changes on the sleeve during test, the suffered momentum of different cross-sectional records by the situation of change of sensing chip, the circuit arrangement and the signals collecting of the pressure impulse momentum method test jet water course convergence of this sensor are: by 220V, the civil power input of 50Hz is through voltage stabilizing, vibration, bridge diagram, and through carrier amplifier, phase-sensitive detector (PSD), passive filter, direct current amplifier, active filter and power amplifier are input to the A/D module synchronously, magnetic tape recorder and light recording camera promptly record the water spray impulse size of water spraying mechanism under the different parameters combination condition of water-jet loom.
Claims (5)
1, a kind of water spray impulse sensor, it is characterized in that described sensor comprises is provided with the sleeve (1) that is subjected to water hole (2), be provided with stressed plate (3) and diastrophic elastic beam (5) in the sleeve, form between sleeve and the stressed plate and be communicated with the waterway (4) that is subjected to water hole (2), elastic beam is provided with at least one pair of sensing chip (6) that connects sensor circuit and constitute balanced bridge, this sensing chip is subjected to elastic beam flexural deformation and makes the synchronous out of trim of electric bridge, and then at the big or small measuring-signal that is directly proportional with elastic beam (5) plus load of diagonal angle output terminal output.
2, water spray impulse sensor according to claim 1 is characterized in that described stressed plate (3) cross section is " T " font.
3, water spray impulse sensor according to claim 1 and 2 is characterized in that described stressed plate (3) and elastic beam (5) are conjoined structure or split bonded structure.
4, water spray impulse sensor according to claim 1 and 2 is characterized in that described sensing chip (5) is 1～2 pair, is symmetrically distributed in the both sides, center of elastic beam.
5, water spray impulse sensor according to claim 4 is characterized in that being coated with on the described sensing chip (5) diaphragm (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100666313A CN101000286A (en) | 2007-01-05 | 2007-01-05 | Water spray impulse sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100666313A CN101000286A (en) | 2007-01-05 | 2007-01-05 | Water spray impulse sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101000286A true CN101000286A (en) | 2007-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100666313A Pending CN101000286A (en) | 2007-01-05 | 2007-01-05 | Water spray impulse sensor |
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| CN (1) | CN101000286A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100545599C (en) * | 2008-04-24 | 2009-09-30 | 江苏万工科技集团有限公司 | Sensor for measuring beating-up force on profiled reed |
| CN101769807A (en) * | 2009-01-07 | 2010-07-07 | 中国科学院南京土壤研究所 | Raindrop hitting power tester |
| CN104020512A (en) * | 2014-06-19 | 2014-09-03 | 宁波思颖光电照明科技有限公司 | Rainwater collecting device with LED indication function |
| CN104020511A (en) * | 2014-06-19 | 2014-09-03 | 宁波思颖光电照明科技有限公司 | Rainfall sensor with LED lamps |
| CN106991468A (en) * | 2017-04-14 | 2017-07-28 | 山西医科大学 | Drop recorder |
| CN109750410A (en) * | 2019-03-08 | 2019-05-14 | 浙江宁巍机械科技有限公司 | A kind of water-jet loom weft insertion system and its adjustment method |
-
2007
- 2007-01-05 CN CNA2007100666313A patent/CN101000286A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100545599C (en) * | 2008-04-24 | 2009-09-30 | 江苏万工科技集团有限公司 | Sensor for measuring beating-up force on profiled reed |
| CN101769807A (en) * | 2009-01-07 | 2010-07-07 | 中国科学院南京土壤研究所 | Raindrop hitting power tester |
| CN104020512A (en) * | 2014-06-19 | 2014-09-03 | 宁波思颖光电照明科技有限公司 | Rainwater collecting device with LED indication function |
| CN104020511A (en) * | 2014-06-19 | 2014-09-03 | 宁波思颖光电照明科技有限公司 | Rainfall sensor with LED lamps |
| CN106991468A (en) * | 2017-04-14 | 2017-07-28 | 山西医科大学 | Drop recorder |
| CN109750410A (en) * | 2019-03-08 | 2019-05-14 | 浙江宁巍机械科技有限公司 | A kind of water-jet loom weft insertion system and its adjustment method |
| CN109750410B (en) * | 2019-03-08 | 2023-10-10 | 浙江宁巍机械科技有限公司 | Weft insertion system of water jet loom and debugging method thereof |
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