CN113639809A - Air flow indicator - Google Patents
Air flow indicator Download PDFInfo
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- CN113639809A CN113639809A CN202110954284.8A CN202110954284A CN113639809A CN 113639809 A CN113639809 A CN 113639809A CN 202110954284 A CN202110954284 A CN 202110954284A CN 113639809 A CN113639809 A CN 113639809A
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- air flow
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- 238000013459 approach Methods 0.000 description 2
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/06—Indicating or recording devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/06—Indicating or recording devices, e.g. for remote indication
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/07—Indicating devices, e.g. for remote indication
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/02—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
- G01P5/06—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer using rotation of vanes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/02—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer
- G01P5/06—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer using rotation of vanes
- G01P5/07—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring forces exerted by the fluid on solid bodies, e.g. anemometer using rotation of vanes with electrical coupling to the indicating device
Abstract
The present invention provides an air flow indicator comprising: the device comprises a cylinder, a flow regulating mechanism, an impeller, an induction magnetic disk, an electromagnetic inductor, a main control chip and a display; the setting has a perfect understanding to the barrel axial, and barrel one end forms the air intake, and the other end forms the air outlet, and flow control mechanism sets up in the barrel to be close to the air outlet setting, flow control mechanism includes: the valve block is arranged in the barrel in a pivoting mode and driven by the control assembly to pivot, the impeller is arranged in the barrel and is close to the air inlet, the induction magnetic disc and the impeller are linked to form electromagnetic pulses, the electromagnetic inductor collects the electromagnetic pulses and feeds the electromagnetic pulses back to the main control chip, and the display is arranged on the barrel and displays the air volume calculated by the main control chip. The invention can be combined and arranged on the air pipe to measure the flow of air in the air pipe in real time. Meanwhile, the measured flow can be digitally displayed, so that the flow value can be read more intuitively.
Description
Technical Field
The invention relates to the technical field of air flow measurement, in particular to an air flow indicator.
Background
In activities such as industrial production, it is necessary to measure the flow rate of air to grasp the amount of air supplied to or exhausted from the air duct. However, the existing air volume indicator can only qualitatively indicate whether air flow passes through and the relative size of the air flow by means of cloth strips or ribbons, and cannot accurately measure the air volume. Therefore, it is necessary to provide a further solution to the above problems.
Disclosure of Invention
It is an object of the present invention to provide an air flow indicator that overcomes the deficiencies of the prior art.
To achieve the above object, the present invention provides an air flow indicator comprising: the device comprises a cylinder, a flow regulating mechanism, an impeller, an induction magnetic disk, an electromagnetic inductor, a main control chip and a display;
the barrel axial link up the setting, barrel one end forms the air intake, and the other end forms the air outlet, flow control mechanism set up in the barrel, and be close to the air outlet sets up, flow control mechanism includes: the diameter of the valve block is smaller than or equal to the inner diameter of the barrel, the valve block is arranged in the barrel in a pivoting mode and driven by the control assembly to pivot, the impeller is arranged in the barrel and close to the air inlet, the induction disk and the impeller are linked to form electromagnetic pulses, the electromagnetic pulse is collected by the electromagnetic inductor and fed back to the main control chip, and the display is arranged on the barrel and displays the air volume obtained by calculation of the main control chip.
As an improvement of the air flow indicator, the air inlet and the air outlet of the cylinder are respectively provided with a connecting flange, the side wall of the cylinder is also provided with an observation window, the induction magnetic disc is linked with the impeller through a linkage shaft, the induction magnetic disc is formed by integrally molding ferrite and a fixed disc, and the display is provided with a liquid crystal display screen which digitally displays the flow of air.
As an improvement of the air flow indicator of the present invention, the air flow indicator further comprises: solar cell panel and connect solar cell panel extremely link assembly on the barrel, link assembly includes: the solar battery pack comprises a connecting rod seat, a connecting rod body and a connector, wherein the connecting rod seat is fixed on the barrel, one end of the connecting rod body is clamped and fixed by the connecting rod seat, the other end of the connecting rod body is connected with the connector, the other connector is arranged on the back of the solar battery panel, and the solar battery panel is fixedly locked with the connector on the connecting rod body through the connector on the solar battery panel.
As an improvement of the air flow indicator of the present invention, the control assembly comprises: the valve block comprises a control handle, a base and a guide piece, wherein a pivot of the valve block extends out of the barrel, the base is fixedly sleeved on the extending end of the pivot, one end of the control handle is fixedly connected with the extending end of the pivot, one end of the guide piece is connected with the control handle, the other end of the guide piece slides along a guide groove in the base along with the control handle, the guide piece is a pin, one end of the guide piece is in threaded connection with the control handle, and a limiting bulge is arranged at the other end of the guide piece and can slide along the guide groove in the base.
As an improvement of the air flow indicator, the impeller comprises a wheel disc and a plurality of blades, the blades are uniformly distributed along the circumferential direction of the wheel disc, the blades are obliquely arranged, an angle formed by the blades and the cross section of the wheel disc is 43.5 degrees, the display is also used for displaying the wind speed calculated by the main control chip, and the liquid crystal display screen is used for synchronously and digitally displaying the air flow and the wind speed.
The air flow indicator is improved by further comprising an intelligent interaction mechanism, wherein the intelligent interaction mechanism comprises an infrared sensing device arranged on the barrel, the infrared sensing device is used for detecting whether a person exists in a preset range, if yes, a starting signal is sent to the main control chip, and the main control chip receives the starting signal and controls the electromagnetic sensor to be started.
The improved air flow indicator also comprises a rechargeable storage battery and a charging mechanism, wherein the charging mechanism is used for charging the rechargeable storage battery, the rechargeable storage battery is used for supplying power to the fluid dynamic instrument, the charging mechanism comprises a wireless charging assembly and a wind energy charging assembly, the wind energy charging assembly comprises a plurality of wind energy generators, the wind energy generators are connected with the rechargeable storage battery and used for charging the rechargeable storage battery, and the wind energy generators are arranged in the barrel.
As an improvement of the air flow indicator, the wireless charging assembly comprises a wireless charging receiving module and a wireless charging device, the wireless charging receiving module is arranged in the display and is used for charging the rechargeable storage battery, the wireless charging device comprises a connecting rod and a turnover rod, the connecting rod comprises a connecting part and a fixing part, one end of the connecting part is connected with the outer wall of the barrel through the fixing part, the other end of the connecting part is vertically downward and hinged with one end of the turnover rod, the other end of the turnover rod is detachably connected with the wireless charging emission module, the turnover rod comprises a front side plate and a rear side plate, a holding rod is arranged on the outer wall of the rear side plate, a magnetic adsorption device is arranged in the turnover rod, and an attraction part is arranged on the connecting part, when the turnover rod is turned over to the front side plate and is abutted to the connecting portion, the magnetic adsorption device and the attraction portion are located at the opposite positions, and at the moment, the wireless charging transmitting module is abutted to the display.
As an improvement of the air flow indicator, the magnetic adsorption device comprises an electromagnet, a magnetic power supply device and a rotating rod, the electromagnet is arranged on the inner wall of the front side plate, the rotating rod is rotatably connected in the turnover rod, one end of the rotating rod is connected with the magnetic power supply device, a compression spring is arranged between the other end of the rotating rod and the front side plate, a rotating opening is formed in the rear side plate, the holding rod is hinged with the rotating opening and used for the holding rod to extend into, a reset torsion spring is connected between the holding rod and the rear side plate, when the holding rod does not enter the rotating opening, the magnetic power supply device is abutted against the electromagnet, the rotating rod extends into the rotating opening and is abutted against the holding rod, and at the moment, the compression spring is in a compression state, the reset torsion spring is in a natural state.
As an improvement of the air flow indicator, the main control chip comprises a Bluetooth module, and after the main control chip receives the starting signal, the Bluetooth module is in wireless connection with the mobile equipment within the preset range through a Bluetooth signal.
Compared with the prior art, the invention has the beneficial effects that: the air flow indicator can be installed on the air pipe in a combined mode, and the air flow indicator can be used for measuring the flow of air in the air pipe in real time. Meanwhile, the measured flow can be digitally displayed, so that the flow value can be read more intuitively. And can synchronously display the flow and the wind speed through the liquid crystal display screen, avoid the switching of the wind speed and the flow back and forth and facilitate the observation. The intelligent interaction mechanism can automatically start the system to detect the wind speed and the flow when someone approaches, and the system enters a standby state when the person goes away, so that the system is not required to be in a running state for a long time, the energy is saved, and the service life is prolonged. Install in the eminence at this air flow indicator, can carry out wireless charging to the device through the upset cooperation of connecting rod and upset pole, avoided the problem that the too high operating personnel of position is not convenient for operate.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a schematic view of the overall structure of another angle of the embodiment;
fig. 3 is a schematic view of the internal structure of the turn-over lever in the embodiment.
In the figure, 1, a cylinder; 2. a flow rate adjusting mechanism; 31. an impeller; 4. a display; 5. a solar panel; 6. a connecting rod assembly; 82. a connecting rod; 83. a turning rod; 84. a wireless charging transmitting module; 821. a fixed part; 822. a connecting portion; 831. a front side plate; 832. a rear side plate; 9. a holding rod; 101. an electromagnet; 102. a magnetic power supply device; 103. rotating the rod; 104. a compression spring; 105. a rotation port; 11. an air inlet; 12. an air outlet; 13. a connecting flange; 14. an observation window; 21. a valve plate; 22. a control component; 221. a control handle; 222. a base; 223. a guide member; 41. a liquid crystal display screen; 61. a connecting rod seat; 62. a connecting rod body; 63. a connecting head.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, an embodiment of the present invention provides an air flow indicator, including: barrel 1, flow control mechanism 2, impeller 31, induction magnetic disc, electromagnetic induction ware and display 4.
The barrel 1 forms the major structure of this embodiment air flow indicator, and its axial link up sets up, barrel 1 one end forms air intake 11, and the other end forms air outlet 12. Meanwhile, in order to connect with an applied air duct, the air inlet 11 and the air outlet 12 of the cylinder 1 are respectively provided with a connecting flange 13. Thus, the air flow indicator of the present embodiment can be butt-jointed to the air pipe through the connecting flange 13, so that the air in the air pipe directly flows into the cylinder 1 from the air inlet 11. In addition, in order to inspect the inside of the cylinder 1, an observation window 14 is further opened on the side wall of the cylinder 1, and the observation window 14 can be closed by a transparent cover plate.
The flow regulating mechanism 2 is used for controlling the air volume entering the barrel 1 so as to measure the air flow in the air pipe in real time. Specifically, the flow rate adjusting mechanism 2 is disposed in the cylinder 1 and disposed near the air outlet 12, and the flow rate adjusting mechanism 2 includes: valve plate 21 and control assembly 22.
The diameter of the valve plate 21 is smaller than or equal to the inner diameter of the cylinder 1, and the valve plate is pivotally connected to the cylinder 1 through a pivot 211. The valve block 21 is pivoted in the cylinder 1, and is driven by the control component 22 to pivot, so as to adjust the angle of the valve block 21 relative to the cylinder 1 through the control component 22, the control component 22 includes: a control handle 221, a base 222, and a guide 223.
The pivot 211 of the valve plate 21 extends out of the cylinder 1, the base 222 is fixedly sleeved on the extending end of the pivot 211, one end of the control handle 221 is fixedly connected with the extending end of the pivot 211, one end of the guide 223 is connected with the control handle 221, and the other end slides along the guide groove on the base 222 along with the control handle 221.
Thus, when the control handle 221 is rotated, the guide member 223 thereon can perform a pivoting motion along the guide groove, and further the pivot 211 can drive the valve plate 21 to rotate, so as to change the angle of the valve plate 21 relative to the axial direction of the cylinder 1. In one embodiment, the guiding element 223 is a pin, one end of which is screwed to the control handle 221, and the other end of which is provided with a limiting protrusion and can slide along a guiding groove on the base 222.
The impeller 31 is arranged in the cylinder 1 and is close to the air inlet 11. Specifically, the induction magnetic disc and the impeller 31 are linked to form an electromagnetic pulse, and the electromagnetic inductor collects the electromagnetic pulse and feeds the electromagnetic pulse back to the main control chip. Wherein, the induction magnetic disc is linked with the impeller 31 through a linkage shaft. The induction disk is formed by integrally molding a ferrite and a fixed disk. Impeller 31 includes rim plate and a plurality of blade, and is a plurality of the blade is followed the circumference evenly distributed of rim plate, and is a plurality of the blade slope set up and with the cross section of rim plate becomes angle and is 43.5, and the fan blade bearing is totally enclosed and is made by silicon nitride material, has anticorrosive characteristics such as low resistance high temperature resistant.
Therefore, airflow enters from the air inlet 11 to drive the impeller 31 to rotate, the induction disk is linked to form electromagnetic pulses, meanwhile, the electromagnetic inductor outputs signals to the main control chip, and the main control chip analyzes characteristics of the electromagnetic pulses and compares the characteristics with stored wind speed data to obtain and display a wind speed value. And then the wind speed value and the pre-stored pipeline sectional area are calculated to obtain the wind quantity and the wind speed of the pipeline in each hour, which are displayed on the same screen at the same time.
The main control chip may be an MCU, which is an existing product, and those skilled in the art can select an MCU product of a desired model according to actual requirements and apply the selected product to the present embodiment.
The display 4 is used for digitally displaying the measured flow so as to read the flow value more intuitively. Specifically, the display 4 is arranged on the cylinder 1 and is in signal transmission with the main control chip. The display 4 has a liquid crystal display 41, and the liquid crystal display 41 can digitally display the flow rate of the air. The display 4 is also used for displaying the wind speed calculated by the main control chip, and the liquid crystal display 41 is used for synchronously and digitally displaying the flow and the wind speed of the air, synchronously displaying the air flow and the wind speed, avoiding the switching between the wind speed and the flow and being convenient for the observation of an operator. The wind speed is calculated by multiplying the rotation speed measured by the sensor by a coefficient K, and the coefficient K is measured by an experiment. The flow is calculated by multiplying the wind speed by the cross-sectional area of the wind pipe.
Further, in order to power the air flow indicator of the present embodiment, the air flow indicator further includes: the solar energy battery pack comprises a solar energy battery panel 5 and a connecting rod assembly 6 for connecting the solar energy battery panel 5 to the barrel 1. The solar panel 5 is electrically connected to the sensor and the display-usable electric component. The link assembly 6 includes: a link seat 61, a link body 62 and a connecting head 63. The intelligent charging system is characterized by further comprising a rechargeable battery and a charging mechanism, wherein the charging mechanism is used for charging the rechargeable battery, the rechargeable battery is used for supplying power to the main control chip, the flow adjusting mechanism 2, the induction magnetic disc, the electromagnetic inductor and the display screen, and the charging mechanism comprises a wireless charging assembly, a wind energy charging assembly, a water energy charging assembly, a temperature difference charging assembly and a gas reaction charging assembly. When indoor, thereby accessible wireless charging assembly charges for chargeable battery and supplies power for whole indicator, when outdoor, can supply power for whole device through solar cell panel 55, when this device is installed at indoor use, can also supply power for the indicator through wireless charging assembly, wind energy charging assembly, hydroenergy charging assembly and gaseous reaction charging assembly, application scope is wide, can select multiple mode for the device power supply, avoid the outage to lead to the condition that the device can't work. The water energy charging assembly generates electricity by using flow energy of pool water at the lower end of the pipeline so as to supply the electricity to the rechargeable storage battery, the gas reaction charging assembly provides energy by using gas reaction energy in the pipeline, and the temperature difference charging assembly generates electricity by using temperature difference between the inside and the outside of the pipeline so as to supply the electricity to the rechargeable storage battery. The wind energy charging assembly comprises a plurality of wind energy generators, the wind energy generators are connected with the rechargeable storage battery and used for charging the rechargeable storage battery, and the wind energy generators are arranged in the barrel body 1. The wireless charging assembly comprises a wireless charging receiving module and a wireless charging device, the wireless charging receiving module is arranged in the display 4, the wireless charging receiving module is connected with the rechargeable battery and used for charging the rechargeable battery, the wireless charging device comprises a connecting rod 82 and a turnover rod 83, the connecting rod 82 comprises a connecting part 822 and a fixing part 821, one end of the connecting part 822 is connected with the outer wall of the barrel body 1 through the fixing part 821, the other end of the connecting part is vertically downward and hinged with the turnover rod 83, one end of the turnover rod 83, far away from the connecting part 822, is detachably connected with a wireless charging emission module 84, the turnover rod 83 comprises a front side plate 831 and a rear side plate 832 which are just opposite to each other, a holding rod 9 is arranged on the outer wall of the rear side plate 832, one end of the holding rod 9 is connected with one end, close to the connecting part 822, of the turnover rod 83, the other end orientation connecting portion 822 direction is stretched out upset pole 83, be provided with the magnetic force adsorption equipment in the upset pole 83, be provided with the actuation portion on the connecting portion 822, the upset pole 83 upwards overturns to when preceding curb plate 831 contradicts with connecting portion 822, the magnetic force adsorption equipment with the actuation portion is in just to the position, at this moment wireless transmitting module 84 that charges with display 4 contradicts. The magnetic adsorption device comprises an electromagnet 101, a magnetic power supply device 102 and a rotating rod 103, the electromagnet 101 is arranged on the inner wall of the front side plate 831, the rotating rod 103 is rotatably connected in the turning rod 83, one end of the rotating rod 103 is connected with the magnetic power supply device 102, a compression spring 104 is arranged between one end of the rotating rod 103 far away from the magnetic power supply device 102 and the front side plate 831, a rotating port 105 is formed in the rear side plate 832, the holding rod 9 is hinged with one side of the rotating port 105 far away from the wireless charging emission module 84, the rotating port 105 is used for allowing one end of the holding rod 9 far away from the wireless charging emission module 84 to enter, a reset torsion spring is connected between the holding rod 9 and the rear side plate 832, when the holding rod 9 does not enter the rotating port 105, the magnetic power supply device 102 abuts against the electromagnet 101, one end of the rotating rod 103, which is far away from the magnetic power supply device 102, extends into the rotating port 105 to be abutted against the holding rod 9, at this time, the compression spring 104 is in a compressed state, and the reset torsion spring is in a natural state.
The connecting rod seat 61 is fixed on the cylinder 1, and can be specifically connected to the connecting flange 13 at one end of the air outlet 12. One end of the connecting rod body 62 is clamped and fixed by the connecting rod seat 61, the other end of the connecting rod body is connected with a connector 63, the other connector 63 is arranged on the back surface of the solar cell panel 5, and the solar cell panel 5 is locked and fixed with the connector 63 on the connecting rod body 62 through the connector 63 on the solar cell panel 5. Thus, the solar cell panel 5 can be pre-adjusted to a proper angle, and the two connectors 63 are locked and fixed by a screw, so as to sufficiently receive the irradiation of sunlight.
The intelligent interaction mechanism comprises an infrared induction device arranged on the whole body, the infrared induction device is used for detecting whether a person exists in a preset range and feeding back a detection result to the main control chip, and the main control chip controls the starting and stopping of the electromagnetic inductor through the detection result of the infrared induction device. In this embodiment, the preset range is 1-2 meters, when the infrared sensing device detects that a person approaches the air flow indicator within the range of 1-2 meters, a start signal is sent to the main control chip, the main control chip receives the main control signal and controls the electromagnetic sensor to operate and collect electromagnetic pulses generated by the linkage of the sensing magnetic disk and the impeller 31, and the main control chip displays the wind speed and the flow on the liquid crystal display 41 after analyzing and calculating. After the infrared sensing device detects that the person is far away from the preset range for more than 30 seconds, a standby signal is sent to the main control chip, and the main control chip controls the air flow indicator to enter a standby state. All the components have the functions of corrosion resistance, high humidity resistance and high temperature resistance. The main control chip includes bluetooth module, the main control chip is received behind the start signal, bluetooth module passes through bluetooth signal wireless connection with the mobile device of predetermineeing the within range, and someone gets into predetermineeing the within range back, and the main control chip will gather received wind speed and flow and send to the mobile device in, and operating personnel can look over fluid parameter through the mobile device, provides convenience for operating personnel when air flow indicator erects the eminence.
The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.
Claims (10)
1. An air flow indicator, characterized in that it comprises: the device comprises a cylinder body (1), a flow regulating mechanism (2), an impeller (31), an induction magnetic disk, an electromagnetic inductor, a main control chip and a display (4);
barrel (1) axial link up the setting, barrel (1) one end forms air intake (11), and the other end forms air outlet (12), flow control mechanism (2) set up in barrel (1), and be close to air outlet (12) set up, flow control mechanism (2) include: valve block (21) and control assembly (22), the diameter less than or equal to of valve block (21) the internal diameter of barrel (1), valve block (21) pivot set up in barrel (1), and by control assembly (22) drive carries out the pivot, impeller (31) set up in barrel (1), and be close to air intake (11) set up, the response disk with impeller (31) linkage forms electromagnetic pulse, electromagnetic inductor gathers electromagnetic pulse feeds back to main control chip, display (4) set up in on barrel (1), and show by the amount of wind that main control chip calculated and obtained.
2. The air flow indicator according to claim 1, wherein the air inlet (11) and the air outlet (12) of the cylinder (1) are respectively provided with a connecting flange (13), the side wall of the cylinder (1) is further provided with an observation window (14), the induction disk is linked with the impeller (31) through a linkage shaft, the induction disk is formed by integrally molding ferrite and a fixed disk, the display (4) is provided with a liquid crystal display (41), and the liquid crystal display (41) is used for digitally displaying the flow of air.
3. The air flow indicator of claim 2, further comprising: solar cell panel (5) and connect solar cell panel (5) extremely link assembly (6) on barrel (1), link assembly (6) include: connecting rod seat (61), connecting rod body (62) and connector (63), connecting rod seat (61) are fixed in on barrel (1), connecting rod body (62) one end by connecting rod seat (61) centre gripping is fixed, and the other end is connected with a connector (63), the back of solar cell panel (5) is provided with another connector (63), solar cell panel (5) through connector (63) on it with connector (63) on connecting rod body (62) lock and attach fixedly.
4. An air flow indicator according to claim 1, characterized in that the control assembly (22) comprises: the valve plate fixing device comprises a control handle (221), a base (222) and a guide piece (223), wherein a pivot of the valve plate (21) extends out of the cylinder body (1), the base (222) is fixedly sleeved on the extending end of the pivot, one end of the control handle (221) is fixedly connected with the extending end of the pivot, one end of the guide piece (223) is connected with the control handle (221), the other end of the guide piece slides along a guide groove in the base (222) along with the control handle (221), the guide piece (223) is a pin, one end of the pin is in threaded connection with the control handle (221), and the other end of the pin is provided with a limiting protrusion and can slide along the guide groove in the base (222).
5. The air flow indicator according to claim 2, wherein the impeller (31) comprises a wheel disc and a plurality of blades, the blades are uniformly distributed along the circumferential direction of the wheel disc, the blades are obliquely arranged and form an angle of 43.5 degrees with the cross section of the wheel disc, the display (4) is further used for displaying the wind speed calculated by the main control chip, and the liquid crystal display (41) is used for synchronously and digitally displaying the flow rate and the wind speed of the air.
6. The air flow indicator according to claim 1, further comprising an intelligent interaction mechanism, wherein the intelligent interaction mechanism comprises an infrared sensing device arranged on the barrel (1), the infrared sensing device is used for detecting whether a person exists in a preset range, if yes, a starting signal is sent to the main control chip, and the main control chip receives the starting signal and controls the electromagnetic sensor to be started.
7. An air flow indicator according to claim 1, further comprising a rechargeable battery and a charging mechanism, the charging mechanism being configured to charge the rechargeable battery, the rechargeable battery being configured to power the fluid-dynamic instrument, the charging mechanism comprising a wireless charging assembly and a wind energy charging assembly, the wind energy charging assembly comprising a plurality of wind energy generators, the wind energy generators being connected to the rechargeable battery for charging the rechargeable battery, the plurality of wind energy generators being arranged in the barrel (1).
8. The air flow indicator according to claim 7, wherein the wireless charging assembly comprises a wireless charging receiving module and a wireless charging device, the wireless charging receiving module is arranged in the display (4), the wireless charging receiving module is used for charging the rechargeable battery, the wireless charging device comprises a connecting rod (82) and a turning rod (83), the connecting rod (82) comprises a connecting part (822) and a fixing part (821), one end of the connecting part (822) is connected with the outer wall of the barrel body (1) through the fixing part (821), the other end of the connecting part (822) is vertically downward and hinged to one end of the turning rod (83), the other end of the turning rod (83) is detachably connected with the wireless charging transmitting module (84), and the turning rod (83) comprises a front side plate (831) and a rear side plate (832), be provided with on the outer wall of posterior lateral plate (832) and hold pole (9), be provided with magnetic force adsorption equipment in upset pole (83), be provided with actuation portion on connecting portion (822), upset pole (83) overturn extremely when preceding curb plate (831) are contradicted with connecting portion (822), magnetic force adsorption equipment with actuation portion is in just to the position, this moment wireless emission module (84) that charges with display (4) are contradicted.
9. The air flow indicator according to claim 8, wherein the magnetic force adsorption device comprises an electromagnet (101), a magnetic attraction power supply device (102) and a rotating rod (103), the electromagnet (101) is arranged on the inner wall of the front side plate (831), the rotating rod (103) is rotatably connected in the turning rod (83), one end of the rotating rod (103) is connected with the magnetic attraction power supply device (102), a compression spring (104) is arranged between the other end of the rotating rod (103) and the front side plate (831), a rotating port (105) is formed in the rear side plate (832), the holding rod (9) is hinged to the rotating port (105), the rotating port (105) is used for allowing the holding rod (9) to extend into the holding rod (9), a reset torsion spring is connected between the holding rod (9) and the rear side plate (832), and when the holding rod (9) does not enter into the rotating port (105), the magnetic power supply device (102) is abutted to the electromagnet (101), the rotating rod (103) extends into the rotating port (105) and is abutted to the holding rod (9), the compression spring (104) is in a compression state at the moment, and the reset torsion spring is in a natural state.
10. The air flow indicator according to claim 6, wherein the main control chip comprises a bluetooth module, and after the main control chip receives the start signal, the bluetooth module is in wireless connection with the mobile device within the preset range through a bluetooth signal.
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