阅读说明：本技术 喷气织机用辅助喷嘴气流检测装置 (Auxiliary nozzle used in jet loom airflow detecting device ) 是由 李仲贤 于 2019-08-28 设计创作，主要内容包括：本发明公开了一种喷气织机用辅助喷嘴气流检测装置,它包括辅助喷嘴喷向角指示单元、辅助喷嘴喷射角指示单元和喷射气流中心处气压指示单元；其中,所述辅助喷嘴喷向角指示单元包括第一水平气压传感器、第一水平气压放大器、第二水平气压传感器、第二水平气压放大器、水平LED驱动器和水平LED灯组；第一水平气压传感器适于采集辅助喷嘴喷射气流在水平方向上的相对一侧的第一水平气压值信号；所述第一水平气压放大器与所述第一水平气压传感器的输出端相连,并适于放大第一水平气压值信号；第二水平气压传感器适于采集辅助喷嘴喷射气流在水平方向上的相对另一侧的第二水平气压值信号。它能够检测辅助喷嘴的喷向角和喷射角,并通过显示可对辅助喷嘴的喷向角和喷射角进行校正,提高辅助喷嘴输送纬纱的能力。(The invention discloses a kind of auxiliary nozzle used in jet loom airflow detecting device, it include pilot jet spray to angle indicating unit, air pressure indicating unit at injection angle of auxiliary nozzle indicating unit and jet-stream wind center；Wherein, it includes first level baroceptor, first level air amplifier, the second horizontal baroceptor, the second horizontal air amplifier, horizontal LED driver and horizontal LED light group that the pilot jet, which sprays to angle indicating unit,；First level baroceptor is suitable for acquiring the first level air pressure value signal of the opposite side of assistant nozzle jet air flow in the horizontal direction；The first level air amplifier is connected with the output end of the first level baroceptor, and is suitable for amplification first level air pressure value signal；Second horizontal baroceptor is suitable for acquiring the second horizontal air pressure value signal of the opposite other side of assistant nozzle jet air flow in the horizontal direction.What it was able to detect pilot jet sprays to angle and jet angle, and by display can to pilot jet spray to angle and jet angle is corrected, improve the ability of pilot jet conveying weft yarn.)

1. a kind of auxiliary nozzle used in jet loom airflow detecting device, which is characterized in that it includes that pilot jet sprays to angle instruction Air pressure indicating unit (3) at unit (1), injection angle of auxiliary nozzle indicating unit (2) and jet-stream wind center；Wherein,

It includes first level baroceptor (11), first level air pressure amplification that the pilot jet, which sprays to angle indicating unit (1), Device (12), the second horizontal baroceptor (13), the second horizontal air amplifier (14), horizontal difference amplifier (15), level LED driver (16) and horizontal LED light group (17)；

First level baroceptor (11) is suitable for acquiring the of assistant nozzle jet air flow opposite side in the horizontal direction One horizontal air pressure value signal；

The first level air amplifier (12) is connected with the output end of the first level baroceptor (11), and is suitable for Amplify first level air pressure value signal；

Second horizontal baroceptor (13) is suitable for acquiring the opposite other side of assistant nozzle jet air flow in the horizontal direction Second horizontal air pressure value signal；

The second horizontal air amplifier (14) is connected with the output end of the described second horizontal baroceptor (13), and is suitable for Amplify the second horizontal air pressure value signal；

The output end and second level of the horizontal difference amplifier (15) and the first level air amplifier (12) The output end of air amplifier (14) is connected, and the horizontal difference amplifier (15) is suitable for amplified first level atmospheric pressure value Signal and the second horizontal air pressure value signal ask difference to obtain differential horizontal signal；

Horizontal LED driver (16) is connected with the horizontal LED light group (17), and the horizontal LED driver (16) is suitable for basis The horizontal LED light of the obtained corresponding shelves in the horizontal LED light group of differential horizontal signal driving (17) works.

2. auxiliary nozzle used in jet loom airflow detecting device according to claim 1, which is characterized in that

The injection angle of auxiliary nozzle indicating unit (2) includes:

The injection angle of auxiliary nozzle indicating unit (2) includes the first vertical baroceptor (21), the first vertical air pressure amplification It is device (22), the second vertical baroceptor (23), the second vertical air amplifier (24), vertical difference amplifier (25), vertical LED driver (26) and vertical LED light group (27)；

First vertical baroceptor (21) is suitable for acquiring the of assistant nozzle jet air flow opposite side in the vertical direction One vertical air pressure value signal；

The first vertical air amplifier (22) is connected with the output end of the described first vertical baroceptor (21), and is suitable for Amplify the first vertical air pressure value signal；

Second vertical baroceptor (23) is suitable for acquiring the opposite other side of assistant nozzle jet air flow in the vertical direction Second vertical air pressure value signal；

The second vertical air amplifier (24) is connected with the output end of the described second vertical baroceptor (23), and is suitable for Amplify the second vertical air pressure value signal；

The output end and described second of the vertical difference amplifier (25) and the described first vertical air amplifier (22) is vertically The output end of air amplifier (24) is connected, and the vertical difference amplifier (25) is suitable for the amplified first vertical atmospheric pressure value Signal and the second vertical atmospheric pressure value differential signal are to obtain vertical difference signal；

Vertical LED driver (26) is connected with the vertical LED light group (27), and the vertical LED driver (26) is suitable for basis Obtained vertical difference signal drives the vertical LED light work of the corresponding shelves in vertical LED light group (27).

3. auxiliary nozzle used in jet loom airflow detecting device according to claim 2, which is characterized in that

The horizontal LED driver (16) and/or the vertical LED driver (26) include two connected LM3914 circuits.

4. auxiliary nozzle used in jet loom airflow detecting device according to claim 2, which is characterized in that

The injection angle of auxiliary nozzle indicating unit (2) further includes that lowest order LED is always on unit (28), and the lowest order LED is normal Bright unit (28) includes sequentially connected auxiliary vertical difference amplifier (28a), lowest order LED drive circuit (28b) and lowest order LED light (28c)；

The input terminal access one of auxiliary vertical difference amplifier (28a), the auxiliary vertical difference amplifier (28a) is more electric vertically Value signal is pressed, another input terminates vertical difference amplifier (25), and the auxiliary vertical difference amplifier (28a) is suitable for vertical poor Value signal and comparing voltage value differential signal are always on difference signal to obtain LED；

Lowest order LED drive circuit (28b), which is suitable for being always on when difference signal is high level in LED, drives the lowest order LED light (28c) work.

5. auxiliary nozzle used in jet loom airflow detecting device according to claim 4, which is characterized in that

The lowest order LED drive circuit (28b) be lowest order triode, the base stage of lowest order triode and it is described it is auxiliary vertically it is poor The output end of amplifier (28a) is divided to be connected, the collector of lowest order triode connects a power supply, the emitter of lowest order triode Lowest order LED light is connected, lowest order triode is when base stage is high level, lowest order triode ON.

6. auxiliary nozzle used in jet loom airflow detecting device according to claim 1, which is characterized in that

It further includes that leftmost bit LED is always on unit (18) that the pilot jet, which sprays to angle indicating unit (1), and the leftmost bit LED is normal Bright unit (18) includes auxiliary horizontal difference amplifier (18a), leftmost bit LED drive circuit (18b) and leftmost bit LED light (18c)；

The input terminal access one of auxiliary horizontal difference amplifier (18a), the auxiliary horizontal difference amplifier (18a) is horizontal more electric Value signal, another flat difference amplifier of input terminal water receiving (15) are pressed, the auxiliary horizontal difference amplifier (18a) is suitable for level error Value signal and comparing voltage value differential signal are always on difference signal to obtain LED；

Leftmost bit LED drive circuit (18b), which is suitable for being always on when difference signal is high level in LED, drives the leftmost bit LED light (18c) work.

7. auxiliary nozzle used in jet loom airflow detecting device according to claim 6, which is characterized in that

The leftmost bit LED drive circuit (18b) is leftmost bit triode, the base stage of leftmost bit triode and the auxiliary level error The output end of amplifier (18a) is divided to be connected, the collector of leftmost bit triode connects a power supply, the emitter of leftmost bit triode Leftmost bit LED light is connected, leftmost bit triode is when base stage is high level, leftmost bit triode ON.

8. auxiliary nozzle used in jet loom airflow detecting device according to claim 1, which is characterized in that

Air pressure indicating unit (3) includes central pressure sensor (31), central pressure amplifier at the jet-stream wind center (32), central pressure difference amplifier (33), display driver (34) and display module (35)；

The central pressure sensor (31) is suitable for acquiring the central pressure value signal at assistant nozzle jet air flow center；

Central pressure amplifier (32), the central pressure amplifier (32) are suitable for amplification central pressure value signal；

Central pressure difference amplifier (33) is suitable for the center reference voltage inputted to amplified central pressure value signal and one Value signal asks difference to seek difference signal to center to obtain；

The display driver (34) is suitable for asking difference signal driving display module (35) to show result according to center.

9. auxiliary nozzle used in jet loom airflow detecting device according to claim 8, which is characterized in that

The display driver (34) is that LCD/LED shows A/D converter, and the display module (35) is LCD.

Technical field

The present invention relates to a kind of auxiliary nozzle used in jet loom airflow detecting devices.

Background technique

Currently, pilot jet air consumption accounts for its total 75% or more gas consumption, in actual production, each weaving mill on air-jet loom The best use effect of pilot jet is constantly sought from technique initialization, maintenance of equipment by family, need to test pilot jet performance and It is corrected, to obtain the best use effect of pilot jet, patent application publication number is the China of CN101949780A Patent discloses a kind of jet loom auxiliary nozzle jet stream testing device, is used to detect the performance and matter of pilot jet Amount, use Pitot tube and U-shaped glass tube in conjunction with come detect pilot jet spray to angle (angle in horizontal direction) and spray Firing angle (angle on vertical direction), use is not intuitive enough, also not convenient enough.

Summary of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies of existing technologies, a kind of used in jet loom auxiliary spray is provided Mouth airflow detecting device, what it was able to detect pilot jet sprays to angle and jet angle, and can be to the spray of pilot jet by display It is corrected to angle and jet angle, improves the ability of pilot jet conveying weft yarn.

The present invention solves above-mentioned technical problem and adopts the technical scheme that: a kind of auxiliary nozzle used in jet loom air-flow detection Device, it include pilot jet spray to angle indicating unit, air pressure at injection angle of auxiliary nozzle indicating unit and jet-stream wind center Indicating unit；Wherein,

It includes first level baroceptor, first level air amplifier, second that the pilot jet, which sprays to angle indicating unit, Horizontal baroceptor, the second horizontal air amplifier, horizontal LED driver and horizontal LED light group；

First level baroceptor is suitable for acquiring the first water of the opposite side of assistant nozzle jet air flow in the horizontal direction Flat air pressure value signal；

The first level air amplifier is connected with the output end of the first level baroceptor, and is suitable for amplification first Horizontal air pressure value signal；

Second horizontal baroceptor is suitable for acquiring the second of the opposite other side of assistant nozzle jet air flow in the horizontal direction Horizontal air pressure value signal；

The second horizontal air amplifier is connected with the described second horizontal baroceptor output end, and is suitable for the second water of amplification Flat air pressure value signal；

The output end and second horizontal gas of the horizontal difference amplifier and the first level air amplifier press greatly The output end of device is connected, and the horizontal difference amplifier is suitable for amplified first level air pressure value signal and the second horizontal gas Pressure value signal asks difference to obtain differential horizontal signal；

Horizontal LED driver is connected with the horizontal LED light group, and the horizontal LED driver is suitable for according to obtained level error Value signal drives the horizontal LED light of the corresponding shelves in horizontal LED light group to work.

Further, the injection angle of auxiliary nozzle indicating unit includes:

The injection angle of auxiliary nozzle indicating unit includes the first vertical baroceptor, the first vertical air amplifier, second Vertical baroceptor, the second vertical air amplifier, vertical LED driver and vertical LED light group；

First vertical baroceptor is erected suitable for acquiring the first of the opposite side of assistant nozzle jet air flow in the vertical direction Straight air pressure value signal；

The first vertical air amplifier is connected with the output end of the described first vertical baroceptor, and is suitable for amplification first Vertical air pressure value signal；

Second vertical baroceptor is suitable for acquiring the second of the opposite other side of assistant nozzle jet air flow in the vertical direction Vertical air pressure value signal；

The second vertical air amplifier is connected with the described second vertical baroceptor output end, and it is perpendicular to be suitable for amplification second Straight air pressure value signal；

The output end and the second vertical air pressure of the vertical difference amplifier and the described first vertical air amplifier amplify The output end of device is connected, and the vertical difference amplifier is suitable for the amplified first vertical air pressure value signal and the second vertical gas Pressure value signal asks difference to obtain vertical difference signal；

Vertical LED driver is connected with the vertical LED light group, and the vertical LED driver is suitable for vertical poor according to obtaining Value signal drives the vertical LED light of the corresponding shelves in vertical LED light group to work.

The horizontal LED driver and/or the vertical LED driver include two connected LM3914 circuits.

Further, the injection angle of auxiliary nozzle indicating unit further includes that lowest order LED is always on unit, the lowest order It includes sequentially connected auxiliary vertical difference amplifier, lowest order LED drive circuit and lowest order LED light that LED, which is always on unit,；

One input terminal of auxiliary vertical difference amplifier, the auxiliary vertical difference amplifier accesses a vertical comparison voltage value signal, Another input terminates vertical difference amplifier, and the auxiliary vertical difference amplifier is suitable for vertical difference signal and comparing voltage value Differential signal is always on difference signal to obtain LED；

Lowest order LED drive circuit, which is suitable for being always on when difference signal is high level in LED, drives the lowest order LED light to work.

Further, the lowest order LED drive circuit be lowest order triode, the base stage of lowest order triode with it is described auxiliary The output end of vertical difference amplifier is connected, and the collector of lowest order triode connects a power supply, the transmitting of lowest order triode Pole connects lowest order LED light, and lowest order triode is when base stage is high level, lowest order triode ON.

Further, it further includes that leftmost bit LED is always on unit, the leftmost bit that the pilot jet, which sprays to angle indicating unit, It includes auxiliary horizontal difference amplifier, leftmost bit LED drive circuit and leftmost bit LED light that LED, which is always on unit,；

One input terminal of auxiliary horizontal difference amplifier, the auxiliary horizontal difference amplifier accesses a horizontal comparison voltage value signal, Another flat difference amplifier of input terminal water receiving, the auxiliary horizontal difference amplifier are suitable for differential horizontal signal and comparing voltage value Differential signal is always on difference signal to obtain LED；

Leftmost bit LED drive circuit, which is suitable for being always on when difference signal is high level in LED, drives the leftmost bit LED light to work.

Further, the leftmost bit LED drive circuit be leftmost bit triode, the base stage of leftmost bit triode with it is described auxiliary The output end of horizontal difference amplifier is connected, and the collector of leftmost bit triode connects a power supply, the transmitting of leftmost bit triode Pole connects leftmost bit LED light, and leftmost bit triode is when base stage is high level, leftmost bit triode ON.

Further, air pressure indicating unit includes central pressure sensor, central pressure amplification at the jet-stream wind center Device, central pressure difference amplifier, display driver and display module；

The central pressure sensor is suitable for acquiring the central pressure value signal at assistant nozzle jet air flow center；

Central pressure amplifier, the central pressure amplifier are suitable for amplification central pressure value signal；

Central pressure difference amplifier is suitable for believing the center reference voltage value that amplified central pressure value signal and one input Number ask difference with seek difference signal to center；

The display driver is suitable for that difference signal driving display module is asked to show result according to center.

The display driver is that LCD/LED shows that A/D converter, the display module are LCD.

After above-mentioned technical proposal, the present invention, which sprays to angle indicating unit by the pilot jet being arranged, can test installation Pilot jet on pedestal sprays to angle, and the display of horizontal LED light group, which can accurately be shown, sprays to whether angle conforms to It asks, one side is more leaned in the display of horizontal LED light group, it was demonstrated that pilot jet more leans on here in the horizontal direction, needs to raise in pedestal Whole pilot jet, until the horizontal LED light at the most middle part of horizontal LED light group is bright, it was demonstrated that spray to angle at this time and regulated；Together Reason, injection angle of auxiliary nozzle indicating unit can test the jet angle for the pilot jet being mounted on the base, and vertical LED light group is shown Showing can accurately show and spray to whether angle meets the requirements, and one side is more leaned in the display of vertical LED light group, it was demonstrated that in vertical direction Upper pilot jet more leans on here, needs to adjust pilot jet on pedestal, until the vertical LED at the most middle part of vertical LED light group Lamp is bright, it was demonstrated that jet angle has regulated at this time, then reads central gas stream by air pressure indicating unit at jet-stream wind center Air pressure after correction, can be classified according to central gas stream pressure size together with pedestal with the pilot jet of high-ranking officers just, be deposited It puts.

Detailed description of the invention

Fig. 1 is the functional block diagram that pilot jet of the invention sprays to angle indicating unit；

Fig. 2 is the functional block diagram of injection angle of auxiliary nozzle indicating unit of the invention；

Fig. 3 is the functional block diagram of air pressure indicating unit at jet-stream wind center of the invention；

Fig. 4 is the partial circuit diagram that pilot jet of the invention sprays to angle indicating unit and injection angle of auxiliary nozzle indicating unit；

Fig. 5 is horizontal LED driver of the invention and the horizontal LED light group and vertical LED driver and vertical LED light group Connection circuit diagram；

Fig. 6 is the connection circuit of central pressure sensor of the invention, central pressure amplifier, central pressure difference amplifier Figure；

Fig. 7 is the circuit diagram of display driver of the invention；

Fig. 8 is the circuit diagram of display module of the invention.

Specific embodiment

In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing The present invention is described in further detail.

As shown in Fig. 1 ~ 8, a kind of auxiliary nozzle used in jet loom airflow detecting device, it includes that pilot jet sprays to angle and refers to Show unit 1, air pressure indicating unit 3 at injection angle of auxiliary nozzle indicating unit 2 and jet-stream wind center；Wherein,

The pilot jet spray to angle indicating unit 1 include first level baroceptor 11, first level air amplifier 12, Second horizontal baroceptor 13, the second horizontal air amplifier 14, horizontal difference amplifier 15,16 and of horizontal LED driver Horizontal LED light group 17；

First level baroceptor 11 is suitable for acquiring the first of the opposite side of assistant nozzle jet air flow in the horizontal direction Horizontal air pressure value signal；

The first level air amplifier 12 is connected with the output end of the first level baroceptor 11, and is suitable for amplification First level air pressure value signal；

Second horizontal baroceptor 13 is suitable for acquiring the of the assistant nozzle jet air flow opposite other side in the horizontal direction Two horizontal air pressure value signals；

The second horizontal air amplifier 14 is connected with the output end of the described second horizontal baroceptor 13, and is suitable for amplification Second horizontal air pressure value signal；

Output end and the second horizontal air pressure of the horizontal difference amplifier 15 with the first level air amplifier 12 The output end of amplifier 14 is connected, and the horizontal difference amplifier 15 is suitable for amplified first level air pressure value signal and the Two horizontal air pressure value signals ask difference to obtain differential horizontal signal；

Horizontal LED driver 16 is connected with the horizontal LED light group 17, and the horizontal LED driver 16 is suitable for what basis obtained Differential horizontal signal drives the horizontal LED light of the corresponding shelves in horizontal LED light group 17 to work.

As shown in Figure 1, the injection angle of auxiliary nozzle indicating unit 2 includes:

The injection angle of auxiliary nozzle indicating unit 2 include the first vertical baroceptor 21, the first vertical air amplifier 22, Second vertical baroceptor 23, the second vertical air amplifier 24, vertical difference amplifier 25,26 and of vertical LED driver Vertical LED light group 27；

First vertical baroceptor 21 is suitable for acquiring the first of the opposite side of assistant nozzle jet air flow in the vertical direction Vertical air pressure value signal；

The first vertical air amplifier 22 is connected with the output end of the described first vertical baroceptor 21, and is suitable for amplification First vertical air pressure value signal；

Second vertical baroceptor 23 is suitable for acquiring the of the assistant nozzle jet air flow opposite other side in the vertical direction Two vertical air pressure value signals；

The second vertical air amplifier 24 is connected with the output end of the described second vertical baroceptor 23, and is suitable for amplification Second vertical air pressure value signal；

Output end and the second vertical air pressure of the vertical difference amplifier 25 with the described first vertical air amplifier 22 The output end of amplifier 24 is connected, and the vertical difference amplifier 25 is suitable for the amplified first vertical air pressure value signal and the Two vertical atmospheric pressure value differential signals are to obtain vertical difference signal；

Vertical LED driver 26 is connected with the vertical LED light group 27, and the vertical LED driver 26 is suitable for what basis obtained Vertical difference signal drives the vertical LED light of the corresponding shelves in vertical LED light group 27 to work.

As shown in figure 5, the horizontal LED driver 16 includes two LM3914 being connected with the vertical LED driver 26 Circuit.

As shown in Fig. 2, the injection angle of auxiliary nozzle indicating unit 2 further includes that lowest order LED is always on unit 28, it is described most It includes sequentially connected auxiliary vertical difference amplifier 28a, lowest order LED drive circuit 28b and minimum that low level LED, which is always on unit 28, Position LED light 28c；

An input terminal of auxiliary vertical difference amplifier 28a, the auxiliary vertical difference amplifier 28a access a vertical comparing voltage value Signal, another input terminate vertical difference amplifier 25, the auxiliary vertical difference amplifier 28a be suitable for vertical difference signal and Comparing voltage value differential signal is always on difference signal to obtain LED；

Lowest order LED drive circuit 28b, which is suitable for being always on when difference signal is high level in LED, drives the lowest order LED light 28c Work.

As shown in figure 4, the lowest order LED drive circuit 28b be lowest order triode, the base stage of lowest order triode with The output end of the auxiliary vertical difference amplifier 28a is connected, and the collector of lowest order triode connects a power supply, three pole of lowest order The emitter of pipe connects lowest order LED light, and lowest order triode is when base stage is high level, lowest order triode ON.

As shown in Figure 1, it further includes that leftmost bit LED is always on unit 18 that the pilot jet, which sprays to angle indicating unit 1, it is described most It includes auxiliary horizontal difference amplifier 18a, leftmost bit LED drive circuit 18b and leftmost bit LED light that left position LED, which is always on unit 18, 18c；

An input terminal of auxiliary horizontal difference amplifier 18a, the auxiliary horizontal difference amplifier 18a access a horizontal comparing voltage value Signal, another flat difference amplifier 15 of input terminal water receiving, the auxiliary horizontal difference amplifier 18a be suitable for differential horizontal signal and Comparing voltage value differential signal is always on difference signal to obtain LED；

Leftmost bit LED drive circuit 18b, which is suitable for being always on when difference signal is high level in LED, drives the leftmost bit LED light 18c Work.

As shown in figure 4, the leftmost bit LED drive circuit 18b be leftmost bit triode, the base stage of leftmost bit triode with The output end of the auxiliary horizontal difference amplifier 18a is connected, and the collector of leftmost bit triode connects a power supply, three pole of leftmost bit The emitter of pipe connects leftmost bit LED light, and leftmost bit triode is when base stage is high level, leftmost bit triode ON.

As shown in figure 3, air pressure indicating unit 3 includes central pressure sensor 31, central gas at the jet-stream wind center Press amplifier 32, central pressure difference amplifier 33, display driver 34 and display module 35；

The central pressure sensor 31 is suitable for acquiring the central pressure value signal at assistant nozzle jet air flow center；

Central pressure amplifier 32, the central pressure amplifier 32 are suitable for amplification central pressure value signal；

Central pressure difference amplifier 33 is suitable for the center reference voltage value inputted to amplified central pressure value signal and one Differential signal seeks difference signal to center to obtain；

The display driver 34 is suitable for that difference signal driving display module 35 is asked to show result according to center.

The display driver 34 is that LCD/LED shows that A/D converter, the display module 35 are LCD.

Horizontal LED light group and vertical LED light group across arranged crosswise in the embodiment of the present invention, lowest order LED light Positioned at the lowest part of vertical LED light group, leftmost bit LED light is located at the Far Left of horizontal LED light group.

The present invention, which sprays to angle indicating unit 1 by the pilot jet being arranged, can test the pilot jet being mounted on the base Angle is sprayed to, the display of horizontal LED light group 17, which can accurately be shown, sprays to whether angle meets the requirements, horizontal LED light group 17 One side is more leaned in display, it was demonstrated that pilot jet more leans on here in the horizontal direction, needs to adjust pilot jet, Zhi Daoshui on pedestal The horizontal LED light at the most middle part of flat LED light group 17 is bright, it was demonstrated that sprays to angle at this time and has regulated；Similarly, injection angle of auxiliary nozzle Indicating unit 2 can test the jet angle for the pilot jet being mounted on the base, and the display of vertical LED light group 27 can accurately be shown It shows and sprays to whether angle meets the requirements, one side is more leaned in the display of vertical LED light group 27, it was demonstrated that pilot jet is got in the vertical direction By here, needing to adjust pilot jet on pedestal, until the vertical LED light at the most middle part of vertical LED light group 27 is bright, it was demonstrated that this When jet angle regulated, central gas stream air pressure is then read by air pressure indicating unit 3 at jet-stream wind center, has been corrected Bi Hou can be classified together with pedestal according to central gas stream pressure size with the pilot jet of high-ranking officers just, storage.

Particular embodiments described above, pair present invention solves the technical problem that, technical scheme and beneficial effects carry out It is further described, it should be understood that the above is only a specific embodiment of the present invention, is not limited to this Invention, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this hair Within bright protection scope.

In the description of the present invention, it is to be understood that, indicating position or the term of positional relationship are based on shown in attached drawing Orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, rather than the equipment of indication or suggestion meaning Or element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.

In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage Solution is indication or suggestion relative importance.

In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" It has to fully horizontally, but can be slightly tilted.

In the present invention unless specifically defined or limited otherwise, fisrt feature can be on or below second feature Directly contacted including the first and second features, also may include the first and second features be not direct contact but by them it Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature second spy Right above sign and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature it Under, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of first feature horizontal height Less than second feature.