CN211446064U - Auxiliary nozzle airflow detection device for air-jet loom - Google Patents
Auxiliary nozzle airflow detection device for air-jet loom Download PDFInfo
- Publication number
- CN211446064U CN211446064U CN201921418095.3U CN201921418095U CN211446064U CN 211446064 U CN211446064 U CN 211446064U CN 201921418095 U CN201921418095 U CN 201921418095U CN 211446064 U CN211446064 U CN 211446064U
- Authority
- CN
- China
- Prior art keywords
- air pressure
- horizontal
- vertical
- auxiliary nozzle
- led
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 8
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
Landscapes
- Looms (AREA)
Abstract
The utility model discloses an auxiliary nozzle airflow detection device for an air jet loom, which comprises an auxiliary nozzle spraying direction angle indicating unit, an auxiliary nozzle spraying angle indicating unit and an air pressure indicating unit at the center of the sprayed airflow; the auxiliary nozzle spraying angle indicating unit comprises a first horizontal air pressure sensor, a first horizontal air pressure amplifier, a second horizontal air pressure sensor, a second horizontal air pressure amplifier, a horizontal LED driver and a horizontal LED lamp group; the first horizontal air pressure sensor is suitable for acquiring a first horizontal air pressure value signal of the opposite side of the jet air flow of the auxiliary nozzle in the horizontal direction; the first horizontal air pressure amplifier is connected with the output end of the first horizontal air pressure sensor and is suitable for amplifying a first horizontal air pressure value signal; the second horizontal air pressure sensor is suitable for acquiring a second horizontal air pressure value signal of the other side, opposite to the horizontal direction, of the air flow sprayed by the auxiliary nozzle. The weft yarn feeder can detect the jet angle and the jet angle of the auxiliary nozzle, and can correct the jet angle and the jet angle of the auxiliary nozzle through display, so that the weft yarn conveying capacity of the auxiliary nozzle is improved.
Description
Technical Field
The utility model relates to an auxiliary nozzle air current detection device for air jet loom.
Background
At present, the air consumption of an auxiliary nozzle on an air jet loom accounts for more than 75% of the total air consumption, in the actual production, each weaving manufacturer continuously seeks the optimal use effect of the auxiliary nozzle from the process setting and the equipment maintenance, and the performance of the auxiliary nozzle needs to be tested and corrected to obtain the optimal use effect of the auxiliary nozzle, and a chinese patent with the patent application publication number of CN101949780A discloses an air jet loom auxiliary nozzle jet flow testing device which is used for detecting the performance and the quality of the auxiliary nozzle, and adopts a pitot tube and a U-shaped glass tube to detect the jet direction angle (the angle in the horizontal direction) and the jet angle (the angle in the vertical direction) of the auxiliary nozzle, so that the use is not intuitive and is not convenient.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide an auxiliary nozzle air current detection device for jet-propelled loom, it can detect auxiliary nozzle's spouting to angle and injection angle to can rectify auxiliary nozzle's spouting to angle and injection angle through showing, improve auxiliary nozzle and carry the ability of woof.
The utility model provides a technical scheme that above-mentioned technical problem took is: an auxiliary nozzle airflow detection device for an air jet loom comprises an auxiliary nozzle jet angle indicating unit, an auxiliary nozzle jet angle indicating unit and an air pressure indicating unit at the center of jet airflow; wherein,
the auxiliary nozzle spraying angle indicating unit comprises a first horizontal air pressure sensor, a first horizontal air pressure amplifier, a second horizontal air pressure sensor, a second horizontal air pressure amplifier, a horizontal LED driver and a horizontal LED lamp group;
the first horizontal air pressure sensor is suitable for acquiring a first horizontal air pressure value signal of the opposite side of the jet air flow of the auxiliary nozzle in the horizontal direction;
the first horizontal air pressure amplifier is connected with the output end of the first horizontal air pressure sensor and is suitable for amplifying a first horizontal air pressure value signal;
the second horizontal air pressure sensor is suitable for acquiring a second horizontal air pressure value signal of the other side of the auxiliary nozzle jet air flow in the horizontal direction;
the second horizontal air pressure amplifier is connected with the output end of the second horizontal air pressure sensor and is suitable for amplifying a second horizontal air pressure value signal;
the horizontal differential amplifier is connected with the output end of the first horizontal air pressure amplifier and the output end of the second horizontal air pressure amplifier, and is suitable for subtracting the amplified first horizontal air pressure value signal and the amplified second horizontal air pressure value signal to obtain a horizontal differential signal;
and the horizontal LED driver is connected with the horizontal LED lamp group and is suitable for driving the horizontal LED lamps of corresponding gears in the horizontal LED lamp group to work according to the obtained horizontal difference value signal.
Further, the auxiliary nozzle spray angle indication unit includes:
the auxiliary nozzle injection angle indicating unit comprises a first vertical air pressure sensor, a first vertical air pressure amplifier, a second vertical air pressure sensor, a second vertical air pressure amplifier, a vertical LED driver and a vertical LED lamp group;
the first vertical air pressure sensor is suitable for acquiring a first vertical air pressure value signal of the opposite side of the jet air flow of the auxiliary nozzle in the vertical direction;
the first vertical air pressure amplifier is connected with the output end of the first vertical air pressure sensor and is suitable for amplifying a first vertical air pressure value signal;
the second vertical air pressure sensor is suitable for acquiring a second vertical air pressure value signal of the other side of the auxiliary nozzle jet air flow in the vertical direction;
the second vertical air pressure amplifier is connected with the output end of the second vertical air pressure sensor and is suitable for amplifying a second vertical air pressure value signal;
the vertical differential amplifier is connected with the output end of the first vertical air pressure amplifier and the output end of the second vertical air pressure amplifier, and is suitable for subtracting the amplified first vertical air pressure value signal and the amplified second vertical air pressure value signal to obtain a vertical difference value signal;
and the vertical LED driver is connected with the vertical LED lamp group and is suitable for driving the vertical LED lamps of corresponding gears in the vertical LED lamp group to work according to the obtained vertical difference value signal.
The horizontal LED driver and/or the vertical LED driver comprise two connected LM3914 circuits.
Further, the auxiliary nozzle injection angle indicating unit further comprises a lowest LED normally-on unit, and the lowest LED normally-on unit comprises an auxiliary vertical differential amplifier, a lowest LED driving circuit and a lowest LED lamp which are sequentially connected;
the auxiliary vertical differential amplifier is suitable for subtracting the vertical difference signal and the comparison voltage value signal to obtain an LED normally-on difference signal;
the lowest LED driving circuit is suitable for driving the lowest LED lamp to work when the LED normally-on difference value signal is at a high level.
Furthermore, the lowest position LED drive circuit is a lowest position triode, the base electrode of the lowest position triode is connected with the output end of the auxiliary vertical differential amplifier, the collector electrode of the lowest position triode is connected with a power supply, the emitting electrode of the lowest position triode is connected with the lowest position LED lamp, and the lowest position triode is conducted when the base electrode is at a high level.
Further, the auxiliary nozzle spraying angle indicating unit further comprises a leftmost LED normally-on unit, wherein the leftmost LED normally-on unit comprises an auxiliary horizontal differential amplifier, a leftmost LED driving circuit and a leftmost LED lamp;
the auxiliary horizontal differential amplifier is suitable for subtracting the horizontal difference signal and the comparison voltage value signal to obtain an LED normally-on difference signal;
and the leftmost LED driving circuit is suitable for driving the leftmost LED lamp to work when the LED normally-on difference value signal is at a high level.
Further, the leftmost LED drive circuit is a leftmost triode, the base of the leftmost triode is connected with the output end of the auxiliary horizontal differential amplifier, the collector of the leftmost triode is connected with a power supply, the emitter of the leftmost triode is connected with the leftmost LED lamp, and the leftmost triode is conducted when the base of the leftmost triode is at a high level.
Further, the air pressure indicating unit at the center of the jet air flow comprises a central air pressure sensor, a central air pressure amplifier, a central air pressure differential amplifier, a display driver and a display module;
the central air pressure sensor is suitable for acquiring a central air pressure value signal of the center of the jet air flow of the auxiliary nozzle;
a central air pressure amplifier adapted to amplify a central air pressure value signal;
the central air pressure differential amplifier is suitable for subtracting the amplified central air pressure value signal and an input central reference voltage value signal to obtain a central difference signal;
the display driver is suitable for driving the display module to display a result according to the central difference signal.
The display driver is an LCD/LED display A/D converter, and the display module is an LCD.
After the technical scheme is adopted, the utility model discloses a direction angle of spouting of the auxiliary nozzle of installation on the base can be tested to the auxiliary nozzle direction angle indicating unit that sets up, and the demonstration of horizontal LED banks can show accurately whether the direction angle of spouting meets the requirements, and the demonstration of horizontal LED banks leans on one side more, proves that auxiliary nozzle leans on this side more in the horizontal direction, needs to adjust auxiliary nozzle on the base, and the horizontal LED lamp of the middle part of horizontal LED banks lights up until, proves that the direction angle of spouting has been adjusted this moment; similarly, the auxiliary nozzle injection angle indicating unit can test the injection angle of the auxiliary nozzle installed on the base, whether the injection direction angle meets the requirement or not can be accurately displayed by the display of the vertical LED lamp bank, the display of the vertical LED lamp bank is closer to one side, the fact that the auxiliary nozzle is closer to the side in the vertical direction is proved, the auxiliary nozzle needs to be adjusted on the base until the vertical LED lamp in the middle of the vertical LED lamp bank is lightened, the injection angle is proved to be well adjusted at the moment, then the central air pressure is read through the air pressure indicating unit in the center of the injected air flow, and after the correction is finished, the corrected auxiliary nozzle and the base can be classified and stored according to the central air pressure.
Drawings
Fig. 1 is a schematic block diagram of an auxiliary nozzle spray angle indicating unit according to the present invention;
fig. 2 is a schematic block diagram of an auxiliary nozzle injection angle indicating unit according to the present invention;
FIG. 3 is a schematic block diagram of an air pressure indicating unit at the center of the jet stream according to the present invention;
fig. 4 is a partial circuit diagram of an auxiliary nozzle spray angle indicating unit and an auxiliary nozzle spray angle indicating unit according to the present invention;
fig. 5 is a circuit diagram of the connection between the horizontal LED driver and the horizontal LED lamp set and between the vertical LED driver and the vertical LED lamp set according to the present invention;
fig. 6 is a circuit diagram of the central air pressure sensor, the central air pressure amplifier, and the central air pressure differential amplifier of the present invention;
fig. 7 is a circuit diagram of a display driver according to the present invention;
fig. 8 is a circuit diagram of the display module of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 to 8, an auxiliary nozzle airflow detection device for an air jet loom includes an auxiliary nozzle jet angle indication unit 1, an auxiliary nozzle jet angle indication unit 2, and an air pressure indication unit 3 at the center of jet airflow; wherein,
the auxiliary nozzle spray angle indicating unit 1 comprises a first horizontal air pressure sensor 11, a first horizontal air pressure amplifier 12, a second horizontal air pressure sensor 13, a second horizontal air pressure amplifier 14, a horizontal differential amplifier 15, a horizontal LED driver 16 and a horizontal LED lamp group 17;
the first horizontal air pressure sensor 11 is suitable for acquiring a first horizontal air pressure value signal of the opposite side of the auxiliary nozzle jet air flow in the horizontal direction;
the first horizontal air pressure amplifier 12 is connected with the output end of the first horizontal air pressure sensor 11 and is suitable for amplifying a first horizontal air pressure value signal;
the second horizontal air pressure sensor 13 is suitable for acquiring a second horizontal air pressure value signal of the other opposite side of the auxiliary nozzle jet air flow in the horizontal direction;
the second horizontal air pressure amplifier 14 is connected with the output end of the second horizontal air pressure sensor 13 and is suitable for amplifying a second horizontal air pressure value signal;
the level differential amplifier 15 is connected to the output end of the first horizontal air pressure amplifier 12 and the output end of the second horizontal air pressure amplifier 14, and the level differential amplifier 15 is adapted to perform a difference on the amplified first horizontal air pressure value signal and the amplified second horizontal air pressure value signal to obtain a level difference signal;
the horizontal LED driver 16 is connected to the horizontal LED lamp group 17, and the horizontal LED driver 16 is adapted to drive the horizontal LED lamps of the corresponding gear in the horizontal LED lamp group 17 to operate according to the obtained horizontal difference signal.
As shown in fig. 1, the auxiliary nozzle spray angle indication unit 2 includes:
the auxiliary nozzle spray angle indication unit 2 includes a first vertical air pressure sensor 21, a first vertical air pressure amplifier 22, a second vertical air pressure sensor 23, a second vertical air pressure amplifier 24, a vertical differential amplifier 25, a vertical LED driver 26, and a vertical LED lamp group 27;
the first vertical air pressure sensor 21 is adapted to acquire a first vertical air pressure value signal of the opposite side of the auxiliary nozzle jet air flow in the vertical direction;
the first vertical air pressure amplifier 22 is connected with the output end of the first vertical air pressure sensor 21 and is suitable for amplifying a first vertical air pressure value signal;
the second vertical air pressure sensor 23 is adapted to acquire a second vertical air pressure value signal of the opposite side of the auxiliary nozzle jet air flow in the vertical direction;
the second vertical air pressure amplifier 24 is connected with the output end of the second vertical air pressure sensor 23 and is suitable for amplifying a second vertical air pressure value signal;
the vertical differential amplifier 25 is connected to the output end of the first vertical air pressure amplifier 22 and the output end of the second vertical air pressure amplifier 24, and the vertical differential amplifier 25 is adapted to perform a difference on the amplified first vertical air pressure value signal and the amplified second vertical air pressure value signal to obtain a vertical difference signal;
the vertical LED driver 26 is connected to the vertical LED lamp set 27, and the vertical LED driver 26 is adapted to drive the vertical LED lamps of the corresponding gears in the vertical LED lamp set 27 to operate according to the obtained vertical difference signal.
As shown in fig. 5, the horizontal LED driver 16 and the vertical LED driver 26 include two connected LM3914 circuits.
As shown in fig. 2, the auxiliary nozzle spray angle indication unit 2 further includes a lowest order LED normally-on unit 28, and the lowest order LED normally-on unit 28 includes an auxiliary vertical differential amplifier 28a, a lowest order LED drive circuit 28b, and a lowest order LED lamp 28c, which are connected in this order;
an auxiliary vertical differential amplifier 28a, one input end of the auxiliary vertical differential amplifier 28a is connected to a vertical comparison voltage value signal, the other input end is connected to the vertical differential amplifier 25, and the auxiliary vertical differential amplifier 28a is adapted to perform subtraction on the vertical difference signal and the comparison voltage value signal to obtain an LED normally-on difference signal;
the lowest LED driving circuit 28b is adapted to drive the lowest LED lamp 28c to operate when the LED normally-on difference signal is high.
As shown in fig. 4, the lowest level LED driving circuit 28b is a lowest level triode, a base of the lowest level triode is connected to an output terminal of the auxiliary vertical differential amplifier 28a, a collector of the lowest level triode is connected to a power source, an emitter of the lowest level triode is connected to the lowest level LED lamp, and the lowest level triode is turned on when the base of the lowest level triode is at a high level.
As shown in fig. 1, the auxiliary nozzle spray angle indicating unit 1 further includes a leftmost LED normally-on unit 18, and the leftmost LED normally-on unit 18 includes an auxiliary horizontal differential amplifier 18a, a leftmost LED driving circuit 18b, and a leftmost LED lamp 18 c;
an auxiliary horizontal differential amplifier 18a, one input end of the auxiliary horizontal differential amplifier 18a is connected with a horizontal comparison voltage value signal, the other input end is connected with a horizontal differential amplifier 15, and the auxiliary horizontal differential amplifier 18a is suitable for subtracting the horizontal differential signal and the comparison voltage value signal to obtain an LED normally-bright differential signal;
the leftmost LED driving circuit 18b is adapted to drive the leftmost LED lamp 18c to operate when the LED normally-on difference signal is at a high level.
As shown in fig. 4, the leftmost LED driving circuit 18b is a leftmost transistor, a base of the leftmost transistor is connected to the output terminal of the auxiliary horizontal differential amplifier 18a, a collector of the leftmost transistor is connected to a power supply, an emitter of the leftmost transistor is connected to the leftmost LED lamp, and the leftmost transistor is turned on when the base is at a high level.
As shown in fig. 3, the air pressure indicating unit 3 at the center of the jet air flow includes a center air pressure sensor 31, a center air pressure amplifier 32, a center air pressure differential amplifier 33, a display driver 34, and a display module 35;
the central air pressure sensor 31 is suitable for acquiring a central air pressure value signal of the center of the jet air flow of the auxiliary nozzle;
a central air pressure amplifier 32, said central air pressure amplifier 32 adapted to amplify a central air pressure value signal;
the central air pressure differential amplifier 33 is adapted to perform a difference operation on the amplified central air pressure value signal and an input central reference voltage value signal to obtain a central difference operation signal;
the display driver 34 is adapted to drive the display module 35 to display the result according to the central difference signal.
The display driver 34 is an LCD/LED display a/D converter, and the display module 35 is an LCD.
The embodiment of the utility model provides an in horizontal LED banks and vertical LED lamp constitute cross arrangement, the lowest position LED lamp is located the lowest of vertical LED banks, and leftmost position LED lamp is located the leftmost side of horizontal LED banks.
The utility model discloses a direction angle of spouting of the auxiliary nozzle that sets up spouts direction angle indicating unit 1 testability and install on the base, the demonstration of horizontal LED banks 17 can show accurately whether the direction angle of spouting meets the requirements, the demonstration of horizontal LED banks 17 leans on one side more, proves that auxiliary nozzle leans on this side more in the horizontal direction, need adjust auxiliary nozzle on the base, until the horizontal LED lamp of the middle part of horizontal LED banks 17 lights, prove that the direction angle of spouting has been adjusted this moment; similarly, the auxiliary nozzle spray angle indicating unit 2 can test the spray angle of the auxiliary nozzle installed on the base, whether the spray direction angle meets the requirement can be accurately displayed by the display of the vertical LED lamp group 27, the closer the display of the vertical LED lamp group 27 is, the closer the auxiliary nozzle is in the vertical direction, the auxiliary nozzle needs to be adjusted on the base until the vertical LED lamp in the middle of the vertical LED lamp group 27 is lighted, the spray angle is proved to be well adjusted at the moment, then the central air pressure is read through the air pressure indicating unit 3 in the center of the spray air flow, and after the correction is finished, the corrected auxiliary nozzle and the base can be classified and stored according to the central air pressure.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (9)
1. An auxiliary nozzle airflow detection device for an air jet loom is characterized by comprising an auxiliary nozzle jet direction angle indicating unit (1), an auxiliary nozzle jet angle indicating unit (2) and an air pressure indicating unit (3) at the center of jet airflow; wherein,
the auxiliary nozzle spraying angle indicating unit (1) comprises a first horizontal air pressure sensor (11), a first horizontal air pressure amplifier (12), a second horizontal air pressure sensor (13), a second horizontal air pressure amplifier (14), a horizontal differential amplifier (15), a horizontal LED driver (16) and a horizontal LED lamp group (17);
the first horizontal air pressure sensor (11) is suitable for acquiring a first horizontal air pressure value signal of the opposite side of the jet air flow of the auxiliary nozzle in the horizontal direction;
the first horizontal air pressure amplifier (12) is connected with the output end of the first horizontal air pressure sensor (11) and is suitable for amplifying a first horizontal air pressure value signal;
the second horizontal air pressure sensor (13) is suitable for acquiring a second horizontal air pressure value signal of the other opposite side of the jet air flow of the auxiliary nozzle in the horizontal direction;
the second horizontal air pressure amplifier (14) is connected with the output end of the second horizontal air pressure sensor (13) and is suitable for amplifying a second horizontal air pressure value signal;
the horizontal differential amplifier (15) is connected with the output end of the first horizontal air pressure amplifier (12) and the output end of the second horizontal air pressure amplifier (14), and the horizontal differential amplifier (15) is suitable for subtracting the amplified first horizontal air pressure value signal and the amplified second horizontal air pressure value signal to obtain a horizontal difference value signal;
the horizontal LED driver (16) is connected with the horizontal LED lamp group (17), and the horizontal LED driver (16) is suitable for driving the horizontal LED lamps of corresponding gears in the horizontal LED lamp group (17) to work according to the obtained horizontal difference value signal.
2. The auxiliary nozzle air flow detecting device for an air jet loom according to claim 1,
the auxiliary nozzle spray angle indication unit (2) includes:
the auxiliary nozzle injection angle indicating unit (2) comprises a first vertical air pressure sensor (21), a first vertical air pressure amplifier (22), a second vertical air pressure sensor (23), a second vertical air pressure amplifier (24), a vertical differential amplifier (25), a vertical LED driver (26) and a vertical LED lamp group (27);
the first vertical air pressure sensor (21) is suitable for acquiring a first vertical air pressure value signal of the opposite side of the auxiliary nozzle jet air flow in the vertical direction;
the first vertical air pressure amplifier (22) is connected with the output end of the first vertical air pressure sensor (21) and is suitable for amplifying a first vertical air pressure value signal;
the second vertical air pressure sensor (23) is suitable for acquiring a second vertical air pressure value signal of the other opposite side of the auxiliary nozzle jet air flow in the vertical direction;
the second vertical air pressure amplifier (24) is connected with the output end of the second vertical air pressure sensor (23) and is suitable for amplifying a second vertical air pressure value signal;
the vertical differential amplifier (25) is connected with the output end of the first vertical air pressure amplifier (22) and the output end of the second vertical air pressure amplifier (24), and the vertical differential amplifier (25) is suitable for subtracting the amplified first vertical air pressure value signal and the amplified second vertical air pressure value signal to obtain a vertical difference signal;
the vertical LED driver (26) is connected with the vertical LED lamp group (27), and the vertical LED driver (26) is suitable for driving the vertical LED lamps of the corresponding gears in the vertical LED lamp group (27) to work according to the obtained vertical difference value signal.
3. The auxiliary nozzle air flow detecting device for an air jet loom according to claim 2,
the horizontal LED driver (16) and/or the vertical LED driver (26) comprise two connected LM3914 circuits.
4. The auxiliary nozzle air flow detecting device for an air jet loom according to claim 2,
the auxiliary nozzle spray angle indicating unit (2) further comprises a lowest LED normally-on unit (28), and the lowest LED normally-on unit (28) comprises an auxiliary vertical differential amplifier (28 a), a lowest LED drive circuit (28 b) and a lowest LED lamp (28 c) which are connected in sequence;
the auxiliary vertical differential amplifier (28 a), one input end of the auxiliary vertical differential amplifier (28 a) is connected with a vertical comparison voltage value signal, the other input end of the auxiliary vertical differential amplifier is connected with the vertical differential amplifier (25), and the auxiliary vertical differential amplifier (28 a) is suitable for subtracting the vertical difference signal and the comparison voltage value signal to obtain an LED normally-on difference signal;
the lowest LED driving circuit (28 b) is suitable for driving the lowest LED lamp (28 c) to work when the LED normally-on difference value signal is high level.
5. The auxiliary nozzle air flow detecting device for an air jet loom according to claim 4,
the lowest position LED drive circuit (28 b) is a lowest position triode, the base electrode of the lowest position triode is connected with the output end of the auxiliary vertical differential amplifier (28 a), the collector electrode of the lowest position triode is connected with a power supply, the emitting electrode of the lowest position triode is connected with the lowest position LED lamp, and the lowest position triode is conducted when the base electrode is at a high level.
6. The auxiliary nozzle air flow detecting device for an air jet loom according to claim 1,
the auxiliary nozzle spraying angle indicating unit (1) further comprises a leftmost LED constant lighting unit (18), and the leftmost LED constant lighting unit (18) comprises an auxiliary horizontal differential amplifier (18 a), a leftmost LED driving circuit (18 b) and a leftmost LED lamp (18 c);
the auxiliary horizontal differential amplifier (18 a), one input end of the auxiliary horizontal differential amplifier (18 a) is connected with a horizontal comparison voltage value signal, the other input end is connected with the horizontal differential amplifier (15), and the auxiliary horizontal differential amplifier (18 a) is suitable for subtracting the horizontal differential signal and the comparison voltage value signal to obtain an LED normally-on differential signal;
the leftmost LED driving circuit (18 b) is suitable for driving the leftmost LED lamp (18 c) to work when the LED constant brightness difference signal is high level.
7. The auxiliary nozzle air flow detecting device for an air jet loom according to claim 6,
the leftmost LED drive circuit (18 b) is a leftmost triode, the base of the leftmost triode is connected with the output end of the auxiliary horizontal differential amplifier (18 a), the collector of the leftmost triode is connected with a power supply, the emitter of the leftmost triode is connected with the leftmost LED lamp, and the leftmost triode is conducted when the base is at a high level.
8. The auxiliary nozzle air flow detecting device for an air jet loom according to claim 1,
the air pressure indicating unit (3) at the center of the jet air flow comprises a central air pressure sensor (31), a central air pressure amplifier (32), a central air pressure differential amplifier (33), a display driver (34) and a display module (35);
the central air pressure sensor (31) is suitable for acquiring a central air pressure value signal of the center of the jet air flow of the auxiliary nozzle;
a central air pressure amplifier (32), said central air pressure amplifier (32) adapted to amplify a central air pressure value signal;
the central air pressure differential amplifier (33) is suitable for subtracting the amplified central air pressure value signal and an input central reference voltage value signal to obtain a central subtraction signal;
the display driver (34) is adapted to drive the display module (35) to display the result according to the center difference signal.
9. The auxiliary nozzle air flow detecting device for an air jet loom according to claim 8,
the display driver (34) is an LCD/LED display A/D converter, and the display module (35) is an LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921418095.3U CN211446064U (en) | 2019-08-28 | 2019-08-28 | Auxiliary nozzle airflow detection device for air-jet loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921418095.3U CN211446064U (en) | 2019-08-28 | 2019-08-28 | Auxiliary nozzle airflow detection device for air-jet loom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211446064U true CN211446064U (en) | 2020-09-08 |
Family
ID=72293661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921418095.3U Expired - Fee Related CN211446064U (en) | 2019-08-28 | 2019-08-28 | Auxiliary nozzle airflow detection device for air-jet loom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211446064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528155A (en) * | 2019-08-28 | 2019-12-03 | 常州捷特纺织器材有限公司 | Auxiliary nozzle used in jet loom airflow detecting device |
-
2019
- 2019-08-28 CN CN201921418095.3U patent/CN211446064U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528155A (en) * | 2019-08-28 | 2019-12-03 | 常州捷特纺织器材有限公司 | Auxiliary nozzle used in jet loom airflow detecting device |
| CN110528155B (en) * | 2019-08-28 | 2024-05-31 | 常州捷特纺织器材有限公司 | Auxiliary nozzle air flow detection device for air jet loom |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211446064U (en) | Auxiliary nozzle airflow detection device for air-jet loom | |
| CN206803072U (en) | A kind of high-accuracy Multifunctional LED constant-current type digital remote light source controller | |
| CN110595579B (en) | Real-time detection method and system for urea liquid level | |
| CN113109263A (en) | Novel metering device of water quality on-line monitoring equipment | |
| CN110528155B (en) | Auxiliary nozzle air flow detection device for air jet loom | |
| CN103644110A (en) | Integrated detection system of performance of gas-liquid booster pump | |
| CN201465463U (en) | Light emitting diode magnetic floating display | |
| CN110553824A (en) | auxiliary nozzle detection equipment for air-jet loom | |
| CN210221429U (en) | Air permeability detector with telescopic air pressure detection mechanism | |
| CN106678744B (en) | Headlight for vehicles mechanism with an automatic light meter | |
| CN215952901U (en) | Sealing detection device for industrial combustor pipeline | |
| CN109612893A (en) | A kind of automobile-used laser fine particle detection device | |
| CN107884604B (en) | Photoelectric switch on-off level detection circuit | |
| CN114526873A (en) | Automobile lamp detection device and detection method thereof | |
| CN209707308U (en) | A kind of automobile-used laser fine particle detection device | |
| CN102175688A (en) | Colour code detector | |
| CN207335952U (en) | A kind of precision digital pressure gauge | |
| CN220508135U (en) | Flow testing device for flow divider | |
| CN215640570U (en) | Screw bulb packaging device | |
| CN220982640U (en) | Automatic detection dimming equipment for automobile offline | |
| CN208588427U (en) | A kind of gas meter counter based on Hall effect | |
| CN215810601U (en) | Center-opening checking fixture for vehicle crankshaft | |
| CN219698335U (en) | Acceleration sensor cooling device | |
| CN216247154U (en) | Coating machine magazine fault detection system | |
| CN210269118U (en) | LED lamp irradiation angle detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200908 Termination date: 20210828 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |