Portable water flow velocity measuring device

Abstract

The utility model relates to the technical field of flow velocity measuring devices, in particular to a portable water flow velocity measuring device which comprises a sleeve and a structural cylinder, and a plurality of flow velocity detecting assemblies are arranged on the inner side of the structural cylinder. The flow velocity detection assembly comprises an arc-shaped seat, a stand column is fixedly installed on the arc-shaped seat, a rotating groove is formed in the end of the stand column, a rotating shaft is rotatably installed on the inner side of the rotating groove, a disc is fixedly installed on the outer wall of the rotating shaft, a plurality of blades are fixedly installed on the side wall of the disc, and a rotating speed sensor is fixedly installed on the inner side of the rotating groove. A controller is fixedly installed on the upper side of the battery bin, and a display screen and operation buttons are arranged on the controller. According to the utility model, the flow velocity measured in each group of flow velocity detection assembly is calculated through the calibration coefficient by the background program of the controller, and the water velocity can be calculated by averaging, and the water velocity is obtained by averaging, so that the result is more accurate compared with the traditional single calculation result.

Description

TECHNICAL FIELD

[0001] The utility model relates to flow velocity measuring device technical field especially relates to a portable water flow velocity measuring device. BACKGROUND

[0002] Water flow velocity measuring device is specially used for determining water flow velocity's instrument or system, and its working principle is different because of the specific device type.

[0003] Water flow velocity measuring device is divided into mechanical flow velocity meter and ultrasonic flow velocity meter according to working principle, and propeller flow velocity meter is one of the most common water flow velocity measuring devices, places propeller flow velocity meter in water, and water flow impacts propeller, makes propeller rotate. The rotation speed of propeller is directly proportional to water flow velocity, and the number of revolutions of propeller in unit time is measured, and the rating coefficient (the coefficient reflects the proportional relationship between the number of revolutions of propeller and water flow velocity, and is obtained through laboratory rating) of instrument is combined, and water flow velocity can be calculated. But the measurement precision of the common propeller flow velocity meter is poor compared with ultrasonic flow velocity meter, in order to improve the measurement precision of traditional propeller flow velocity meter, a portable water flow velocity measuring device is provided. UTILITY MODEL CONTENT

[0004] The utility model discloses a portable water flow velocity measuring device to solve the shortcoming in prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A portable water flow velocity measuring device, including sleeve and structure cylinder, the inside of structure cylinder is provided with several groups of flow velocity detection components, the flow velocity detection component includes arc-shaped seat, the fixed mounting of arc-shaped seat has stand, the end of stand is provided with rotation groove, the rotation groove is provided with the rotation of axle, the fixed mounting of disc is provided on the outer wall of rotation axle, the fixed mounting of several paddle blades is provided on the lateral wall of disc, the fixed mounting of rotation speed sensor is provided in the rotation groove, the fixed mounting of battery compartment is provided on the lateral wall of sleeve, the fixed mounting of controller is provided on the upper side of battery compartment.

[0007] Further, the controller is provided with display screen and operating button, and the controller is electrically connected with the rotation speed sensor.

[0008] Further, the arc-shaped seat is screwed with the inner wall of sleeve.

[0009] Further, the structure cylinder both ends are fixedly connected with the mouthpiece, and the mouthpiece is provided with the outer turning micro-arc shape.

[0010] Further, the rubber sleeve is provided on the outer wall of sleeve, and the anti-skid convex strip is provided on the rubber sleeve.

[0011] Further, the battery compartment side edge is buckled with a compartment cover, and the battery compartment inner side is fixedly installed with a storage battery.

[0012] Further, the sleeve inner side is slidably connected with a first sliding rod, the first sliding rod inner side is slidably connected with a second sliding rod, and the second sliding rod lower end is fixedly connected with the structure cylinder outer wall.

[0013] Further, the structure cylinder is made of polycarbonate material.

[0014] Compared with the related art, the portable water flow velocity measuring device has the following beneficial effects:

[0015] In the utility model, the multiple groups of flow velocity detection components are set, the flow velocity detection component adopts the cooperation of the stand, the rotating shaft, the disc, the paddle and the rotating speed sensor, when the water flow passes through the structure cylinder inner side, the water flow drives the paddle to drive the disc to rotate, when the disc rotates, the rotating speed sensor installed in the rotating groove can detect the rotating speed, the rotating speed of the propeller is proportional to the water flow velocity, by measuring the number of rotations of the propeller in unit time, combining the calibration coefficient (the coefficient reflects the proportional relationship between the number of rotations of the propeller and the water flow velocity, and is obtained through laboratory calibration), the controller background program calculates the flow velocity measured in each group of flow velocity detection components through the calibration coefficient, and finally, the water flow velocity can be calculated through average calculation, the water flow velocity is obtained by averaging, and the result is more accurate than the traditional single calculation result.

[0016] In addition, the holding part in the utility model is retractably arranged through the sleeve, the first sliding rod and the second sliding rod, so that a smaller volume is obtained, the holding part is convenient to carry, and daily use is more convenient. ACCURACY

[0017] Figure 1 It is a three-dimensional structure schematic view of the portable water flow velocity measuring device;

[0018] Figure 2 It is a partial three-dimensional structure schematic view of the portable water flow velocity measuring device; Figure One ;

[0019] Figure 3 It is a partial three-dimensional structure schematic view of the portable water flow velocity measuring device; Figure Two ;

[0020] Figure 4 It is a three-dimensional structure schematic view of the flow velocity detection component.

[0021] In the figure: 1, sleeve; 2, first slide bar; 3, second slide bar; 4, structure cylinder; 41, mouth guard; 5, rubber sleeve; 6, flow rate detection assembly; 61, arc seat; 62, stand; 63, rotating groove; 64, rotating shaft; 65, disc; 66, paddle; 67, rotating speed sensor; 7, battery compartment; 8, compartment cover; 9, controller; 10, display screen; 11, operation button. DETAILED DESCRIPTION

[0022] The utility model will be further described below in combination with the drawings and embodiments.

[0023] Reference Figures 1-4 A portable water flow rate measuring device: including sleeve 1 and structure cylinder 4, structure cylinder 4 inside is provided with several groups of flow rate detection assembly 6;Flow rate detection assembly 6 includes arc seat 61, arc seat 61 is fixedly installed with stand 62, stand 62 end is provided with rotating groove 63, rotating groove 63 inside rotationally installs rotating shaft 64, and rotating shaft 64 outer wall is fixedly installed with disc 65, and disc 65 side wall is fixedly installed with several paddles 66, and rotating groove 63 inside is fixedly installed with rotating speed sensor 67, and sleeve 1 side wall is fixedly installed with battery compartment 7, and battery compartment 7 upper side is fixedly installed with controller 9.

[0024] Through the above-mentioned mode of setting, the rotating speed of the rotating speed sensor 67 in each flow rate detection assembly 6 is accepted by the controller 9, and the corresponding water flow rate measured in each group of flow rate detection assembly 6 is calculated by the background program, and the average value of the subsequent water flow rate is calculated, which is the average value calculation structure, compared with the single detection mode, has the advantages of high precision, high data reliability.

[0025] In the present way, the rubber sleeve 5 is provided on the outer wall of the sleeve 1, and the anti-skid convex strip is provided on the rubber sleeve 5.

[0026] Through the above-mentioned mode of setting, the anti-skid convex strip is set, which improves the anti-skid performance of the rubber sleeve 5, and facilitates the daily handheld operation of the device.

[0027] In the present way, the battery compartment 7 is buckled with the compartment cover 8 on the side, and the storage battery is fixedly installed in the battery compartment 7.

[0028] Through the above-mentioned mode of setting, the storage battery is used to provide the electric energy required when each electric device in the utility model works.

[0029] In the present way, the first slide bar 2 is slidably connected to the inside of the sleeve 1, the second slide bar 3 is slidably connected to the inside of the first slide bar 2, and the lower end of the second slide bar 3 is fixedly connected with the outer wall of the structure cylinder 4.

[0030] Through the above manner, the first slide rod 2 and the second slide rod 3 can be retracted into the sleeve 1, the overall volume is zoomed, and the portable carrying is facilitated, and it should be noted that the sleeve 1 and the inner side of the first slide rod 2 are provided with damping sleeves, so that the first slide rod 2 and the second slide rod 3 have certain self-locking performance when being extended, and the damping sleeve is a common technical means, and details are not repeated here.

[0031] In the present manner, the structure cylinder 4 is made of polycarbonate.

[0032] Through the above manner, the polycarbonate has excellent impact strength and weather resistance, can resist ultraviolet radiation and erosion of severe weather conditions in outdoor environments, long-term maintain its performance and appearance, can make the structure cylinder 4 have certain structural strength and good durability, and also has corrosion resistance.

[0033] In the present manner, the controller 9 is provided with a display screen 10 and an operation button 11, and the controller 9 is electrically connected with the rotating speed sensor 67.

[0034] Through the above manner, the controller 9 is used to accept and process the data detected by the rotating speed sensor 67, and the display screen 10 is used to display the result calculated by the controller 9.

[0035] In the present manner, the arc-shaped seat 61 is screwed with the inner wall of the sleeve 1.

[0036] Through the above manner, the arc-shaped seat 61 is screwed with the inner wall of the sleeve 1, and then the arc-shaped seat 61 can be detached from the inner wall of the structure cylinder 4, and then the maintenance or repair work of the flow speed detection assembly 6 inside the structure cylinder 4 is facilitated.

[0037] In the present manner, the structure cylinder 4 is fixedly connected with a guard 41 at both ends, and the guard 41 is provided in an outwardly turned arc shape.

[0038] Through the above manner, the guard 41 is provided in an outwardly turned arc shape, the influence of the turbulent flow generated when the end of the structure cylinder 4 is impacted by water flow is reduced, the disturbance of the water flow entering the structure cylinder 4 to the structure cylinder 4 is small, and the detection accuracy is further improved.

[0039] The working principle of the portable water flow speed measuring device is as follows:

[0040] In use, when the water flow passes from the inside of the structure cylinder 4, the water flow drives the paddle 66 to rotate, and in turn drives the disc 65 to rotate, when the disc 65 rotates, the rotation speed sensor 67 detects the rotation speed of the rotation shaft and converts it into an electric signal and transmits it to the controller 9, after the controller 9 receives the rotation speed signal in each flow speed detection assembly 6, the controller 9 calculates the flow speed measured in each group of flow speed detection assemblies 6 according to the preset rating coefficient (reflecting the proportional relationship between the rotation number of the paddle and the water flow speed), the controller 9 averages all the flow speed data to obtain the final water flow speed calculation value, the controller 9 is also provided with an operation button 11, which can be conveniently operated and set by the user, the operation button 11 can be used to start / stop measurement, view historical data, the controller 9 is provided with a display screen 10 for displaying the calculated water flow speed data, the display screen directly displays the real-time flow speed, which is convenient for the user to read.

[0041] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation obtained by using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A portable water flow rate measuring device, characterized by, The utility model relates to a flow speed detection device, including sleeve (1) and structure cylinder (4), a plurality of groups of flow speed detection components (6) are arranged in the inside of structure cylinder (4), flow speed detection component (6) includes arc seat (61), fixedly installed with stand (62) on arc seat (61), the end of stand (62) is provided with rotation groove (63), rotation groove (63) is rotatably installed with pivot (64) in the inside, fixedly installed with disc (65) on the outer wall of pivot (64), fixedly installed with a plurality of paddle (66) on the side wall of disc (65), fixedly installed with rotation speed sensor (67) in the inside of rotation groove (63), fixedly installed with battery compartment (7) on the side wall of sleeve (1), fixedly installed with controller (9) on the upper side of battery compartment (7).

2. A portable water flow rate measuring device according to claim 1, wherein, The controller (9) is provided with a display screen (10) and an operation button (11), and the controller (9) is electrically connected with the rotation speed sensor (67).

3. The portable water flow rate measuring device of claim 1, wherein, The arc seat (61) is screwed with the inner wall of the sleeve (1).

4. The portable water flow rate measuring device of claim 1, wherein, The structure cylinder (4) is fixedly connected with a guard (41) at both ends, and the guard (41) is provided in an outwardly turned arc shape.

5. The portable water flow rate measuring device of claim 1, wherein, The outer wall of the sleeve (1) is sleeved with a rubber sleeve (5), and the rubber sleeve (5) is provided with anti-skid convex strips.

6. The portable water flow rate measuring device of claim 1, wherein, The side edge of the battery compartment (7) is buckled with a compartment cover (8), and the inside of the battery compartment (7) is fixedly installed with a storage battery.

7. The portable water flow rate measuring device of claim 1, wherein, The inside of the sleeve (1) is slidably connected with a first sliding rod (2), the inside of the first sliding rod (2) is slidably connected with a second sliding rod (3), and the lower end of the second sliding rod (3) is fixedly connected with the outer wall of the structure cylinder (4).

8. The portable water flow rate measuring device of claim 1, wherein, The structure cylinder (4) is made of polycarbonate.

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