Portable simple flow velocity measuring instrument

Abstract

The utility model discloses a portable simple flow velocity measuring instrument which comprises a flow velocity meter host. The handheld rod is fixed on the back surface of the current meter host; the detection assembly comprises a measuring rod and a sensor assembly, one end of the measuring rod is rotatably arranged at the far end of the handheld rod, the sensor assembly is arranged at the other end of the measuring rod, and the sensor assembly is connected with the current meter host through a signal line; one end of the operating rod is rotatably mounted on the measuring rod, and the other end of the operating rod is slidably mounted at the near end of the handheld rod, so that the measuring rod is pushed or pulled to control the detection distance of the sensor assembly. A connecting rod control mode is adopted, the measuring rod is rotationally arranged at the far end of the handheld rod, the operating rod capable of being adjusted in a sliding mode is rotationally arranged between the measuring rod and the handheld rod, and the sensor assembly is arranged at the lower end of the measuring rod, so that the measuring rod can be stably rotated by controlling the operating rod, and the measuring position of the sensor assembly is freely adjusted; and stable measurement of multi-area water flow velocity is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a portable simple flow velocity measuring instrument. Background Art

[0002] Regularly measuring and recording the flow velocity of water areas helps to evaluate the ecological environment of water areas and facilitate hydrological research. For large areas of water, fixed flow velocity measuring equipment is usually used for measurement, while small branch water areas are usually measured and recorded manually on demand using portable flow velocity measuring instruments due to their large number and complex flow directions.

[0003] At present, the commonly used portable flow velocity measuring instruments are usually structures in which the host and the sensor are connected by a flexible cable. When measuring the flow velocity of the water area, one hand holds the flexible cable to place the sensor in the water, and the other hand holds the host to observe the flow velocity. Although this method can stably measure the flow velocity of the water area, since the sensor is connected by a flexible cable, it is difficult to locate and measure at a distant location, making it difficult to obtain the average flow velocity of the branch water area, resulting in measurement deviations. In addition, during the recording process, personnel are required to cooperate in recording or use a bracket to support the host independently for recording.

[0004] Therefore, it is difficult for the existing portable flow velocity measuring instrument with soft connection to adjust the measuring position to obtain more flow velocity data, and thus it is difficult to accurately obtain the average flow velocity of the water area. Utility Model Content

[0005] The utility model aims to provide a portable and simple flow velocity measuring instrument to solve the technical problem in the prior art that it is difficult to adjust the measuring position to obtain more flow velocity data, thereby making it difficult to accurately obtain the average flow velocity of the water area.

[0006] In order to solve the above technical problems, the utility model specifically provides the following technical solutions:

[0007] A portable and simple flow velocity measuring instrument, comprising:

[0008] A flow meter host, used to receive the detection signal and calculate the flow rate according to the detection signal;

[0009] A hand-held rod, the distal end of which is fixed to the back of the flow meter main unit to support the flow meter main unit toward the user;

[0010] A detection component, the detection component includes a measuring rod and a sensor component, one end of the measuring rod is rotatably arranged at the distal end of the hand-held rod, the sensor component is arranged at the other end of the measuring rod, and the sensor component is connected to the flow meter host through a signal line to transmit a detection signal;

[0011] An operating rod, one end of which is rotatably mounted on the measuring rod, and the other end of which is slidably mounted on the proximal end of the handheld rod, so as to control the detection distance of the sensor assembly by pushing or pulling the measuring rod.

[0012] As a preferred solution of the utility model, the sensor assembly includes an impeller and an angular velocity sensor, the angular velocity sensor is arranged at the end of the measuring rod, and the impeller is coaxially connected to the angular velocity sensor so that the angular velocity sensor obtains a detection signal when the impeller rotates.

[0013] As a preferred solution of the utility model, a vertical rod is rotatably provided at the end of the measuring rod, and the angular velocity sensor is fixed to the bottom end of the vertical rod so as to always be vertically suspended on the measuring rod under the action of gravity.

[0014] As a preferred solution of the utility model, two support frames are symmetrically rotated at the distal end of the hand-held rod, and a fixing plate is commonly provided on the two support frames. The flow meter host is fixed on the fixing plate so that the tilt angle can be adjusted by rotating the support frame.

[0015] As a preferred solution of the utility model, a slide groove is provided at the proximal bottom of the hand-held rod, a manipulation slider is slidably provided in the slide groove, and the operating rod is rotatably provided on the manipulation slider and slides and adjusts along the hand-held rod.

[0016] As a preferred solution of the utility model, a grip is provided at the proximal end of the hand-held rod, and a pull ring is provided at the bottom end of the operating slider close to the grip, which is used to be controlled by fingers to pull or push the operating slider to slide.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The utility model adopts a connecting rod control method, a measuring rod is rotatably set at the far end of a hand-held rod, and a slidably adjustable operating rod is rotatably set between the measuring rod and the hand-held rod, and the sensor component is set at the lower end of the measuring rod, so that the measuring rod can be stably rotated by controlling the operating rod to freely adjust the measuring position of the sensor component, thereby realizing stable measurement of water flow rate in multiple areas. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0020] Figure 1A schematic diagram of the structure of a portable and simple flow velocity measuring instrument is provided for an embodiment of the utility model;

[0021] Figure 2 A schematic diagram of the structure of a detection component of a portable and simple flow velocity measuring instrument is provided for an embodiment of the utility model;

[0022] Figure 3 A schematic diagram of the structure of a supporting frame of a portable and simple flow velocity measuring instrument is provided for an embodiment of the utility model;

[0023] Figure 4 The utility model provides a schematic diagram of the structure of the operating slider part of a portable simple flow velocity measuring instrument.

[0024] The numbers in the figure represent the following:

[0025] 1- Flow meter host; 2- Hand-held rod; 3- Detection component; 4- Operating rod;

[0026] 21-support frame; 22-fixed plate; 23-slideway; 24-operating slide block; 25-handle; 31-measuring rod; 32-sensor assembly;

[0027] 321- impeller; 322- angular velocity sensor; 241- pull ring; 311- vertical rod. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] like Figure 1 and Figure 2 As shown, the utility model provides a portable and simple flow velocity measuring instrument, comprising:

[0030] The flow meter host 1 is used to receive the detection signal and calculate the flow rate according to the detection signal;

[0031] A hand-held rod 2, the distal end of which is fixed to the back of the flow meter main unit to support the flow meter main unit 1 toward the user;

[0032] The detection component 3 includes a measuring rod 31 and a sensor component 32. One end of the measuring rod 31 is rotatably arranged at the distal end of the hand-held rod 2, and the sensor component 32 is arranged at the other end of the measuring rod 31. The sensor component 32 is connected to the flow meter host 1 through a signal line to transmit a detection signal.

[0033] An operating rod 4 , one end of which is rotatably mounted on the measuring rod 31 , and the other end of which is slidably mounted on the proximal end of the hand-held rod 2 , so as to control the detection distance of the sensor assembly 32 by pushing or pulling the measuring rod 31 .

[0034] The flow velocity measuring instrument of this embodiment mainly has a hand-held rod 2 for fixing the flow meter main body 1 on the back, and a rotatable detection component 3 is set at the far end of the hand-held rod 2, and the detection component 3 is composed of a measuring rod 31 and a sensor component 32, and an operating rod 4 connects the measuring rod 31 and the hand-held rod 2. By moving the end of the operating rod 4, the rotation angle of the measuring rod 31 at the far end of the hand-held rod 2 can be controlled, so as to adjust the detection distance or measurement position of the sensor component 32, which is more convenient to operate and can be held and adjusted by one hand.

[0035] Compared with the existing flow rate measuring instruments in which the sensor is softly connected to the instrument host, the present embodiment can form a hard-connected connecting rod structure through the hand-held rod 2, the measuring rod 31 and the operating rod 4, so that by controlling the position of the operating rod 4 at the proximal end of the hand-held rod 2, the adjustment of the measuring rod 31, that is, the detection distance adjustment of the sensor assembly 32, can be completed.

[0036] The detection distance refers to the distance between the detection point and the operator, that is, the water flow velocity at different locations can be measured.

[0037] The sensor assembly 32 is used to detect the flow rate of water, specifically, as Figure 2 As shown, the sensor assembly 32 includes an impeller 321 and an angular velocity sensor 322. The angular velocity sensor 322 is disposed at the end of the measuring rod 31. The impeller 321 is coaxially connected with the angular velocity sensor 322 so that when the impeller 321 rotates, the angular velocity sensor 322 obtains a detection signal.

[0038] A vertical rod 311 is rotatably provided at the end of the measuring rod 31 , and an angular velocity sensor 322 is fixed to the bottom end of the vertical rod 311 so as to always be vertically suspended on the measuring rod 31 under the action of gravity.

[0039] Since the impeller 321 needs to be submerged in water for detection, a waterproof layer is applied to the angular velocity sensor 322 to prevent water damage. The angular velocity sensor 322 is suspended by the vertical rod 311, so that the impeller 321 and the angular velocity sensor 322 can always be submerged in water in a vertical state, and the impeller 321 and the angular velocity sensor 322 can adjust their postures according to the flow of water, so as to avoid the inaccurate direction of the impeller 321 affecting the accuracy of the flow velocity measurement.

[0040] Likewise, a guide plate may be further provided at the tail end of the angular velocity sensor 322 to quickly guide the impeller 321 toward the upstream direction of the water flow.

[0041] During the flow rate detection process, it is necessary to read the numerical value record on the flow meter host 1, and different people have different observation angles. Based on this, the following preferred embodiments are provided.

[0042] like Figure 3 As shown, two support frames 21 are symmetrically rotated at the far end of the hand-held rod 2, and a fixing plate 22 is commonly provided on the two support frames 21. The flow meter host 1 is fixed on the fixing plate 22 so that the tilt angle can be adjusted by rotating the support frames 21.

[0043] Specifically, the support frame 21 can rotate on the hand-held rod 2. Since the two support frames 21 are connected to the fixing plate 22, the two support frames 21 can be adjusted synchronously, and a locking screw is provided at the rotation connection between the support frame 21 and the hand-held rod 2, that is, it is locked after adjusting to a suitable angle to support the flow meter host 1 at a specific angle for easy observation.

[0044] Since the operating rod 4 is used to adjust the angle of the measuring rod 31 , thereby changing the measuring position of the sensor assembly 32 , in order to facilitate the control of the operating rod 4 , the following preferred embodiments are provided.

[0045] like Figure 4 As shown, a slide groove 23 is provided at the bottom of the proximal end of the hand-held rod 2, and a manipulation slider 24 is slidably provided in the slide groove 23. The operating rod 4 is rotatably provided on the manipulation slider 24 and slides along the hand-held rod 2 for adjustment;

[0046] A grip 25 is disposed at the proximal end of the hand-held rod 2, and a pull ring 241 is disposed at the bottom end of one side of the operating slider 24 close to the grip 25, which is used to be pulled or pushed by fingers to slide the operating slider 24.

[0047] Specifically, the control end of the operating rod 4 is rotatably mounted on the operating slider 24. Pushing the operating slider 24 can cause the operating rod 4 to push the measuring rod 31 to rotate far away, while pulling the operating slider 24 can cause the operating rod 4 to pull the measuring rod 31 to rotate near.

[0048] In order to facilitate one-handed operation by the user, a pull ring 241 is provided at the bottom end of the operating slider 24 close to the handle 25 . The pull ring 241 is convenient for the user to insert the index finger for control, which is more convenient.

[0049] The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application. The protection scope of the present application is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present application within the essence and protection scope of the present application, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present application.

Claims

1. A portable and simple flow velocity measuring instrument, characterized in that: include: A flow meter host (1), used for receiving a detection signal and calculating a flow rate according to the detection signal; A hand-held rod (2), the distal end of which is fixed to the back of the flow meter main unit to support the flow meter main unit (1) toward a user; A detection component (3), the detection component (3) comprising a measuring rod (31) and a sensor component (32), one end of the measuring rod (31) being rotatably arranged at the distal end of the hand-held rod (2), the sensor component (32) being arranged at the other end of the measuring rod (31), the sensor component (32) being connected to the flow meter host (1) via a signal line to transmit a detection signal; An operating rod (4), one end of which is rotatably mounted on the measuring rod (31), and the other end of which is slidably mounted on the proximal end of the hand-held rod (2), so as to control the detection distance of the sensor assembly (32) by pushing or pulling the measuring rod (31).

2. A portable and simple flow velocity measuring instrument according to claim 1, characterized in that: The sensor assembly (32) comprises an impeller (321) and an angular velocity sensor (322); the angular velocity sensor (322) is arranged at the end of the measuring rod (31); the impeller (321) and the angular velocity sensor (322) are coaxially connected so that when the impeller (321) rotates, the angular velocity sensor (322) obtains a detection signal.

3. A portable and simple flow velocity measuring instrument according to claim 2, characterized in that: A vertical rod (311) is rotatably provided at the end of the measuring rod (31), and the angular velocity sensor (322) is fixed to the bottom end of the vertical rod (311) so as to always be vertically suspended on the measuring rod (31) under the action of gravity.

4. A portable and simple flow velocity measuring instrument according to any one of claims 1 to 3, characterized in that: Two support frames (21) are symmetrically rotated at the far end of the hand-held rod (2), and a fixing plate (22) is commonly provided on the two support frames (21). The flow meter host (1) is fixed on the fixing plate (22) so that the tilt angle can be adjusted by rotating the support frames (21).

5. A portable and simple flow velocity measuring instrument according to claim 4, characterized in that: A slide groove (23) is provided at the bottom of the proximal end of the hand-held rod (2), a manipulation slider (24) is slidably provided in the slide groove (23), and the operating rod (4) is rotatably provided on the manipulation slider (24) to slide and adjust along the hand-held rod (2).

6. A portable and simple flow velocity measuring instrument according to claim 5, characterized in that: A grip (25) is provided at the proximal end of the hand-held rod (2), and a pull ring (241) is provided at the bottom end of one side of the operating slider (24) close to the grip (25) for being controlled by fingers to pull or push the operating slider (24) to slide.

Images