CN212513162U - Pressure flowmeter - Google Patents
Pressure flowmeter Download PDFInfo
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- CN212513162U CN212513162U CN202021622853.6U CN202021622853U CN212513162U CN 212513162 U CN212513162 U CN 212513162U CN 202021622853 U CN202021622853 U CN 202021622853U CN 212513162 U CN212513162 U CN 212513162U
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- velocity detection
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Abstract
The utility model relates to a pressure flowmeter, which comprises a handheld rod, a flowmeter fixedly arranged at the upper end of the handheld rod, a pressure type flow velocity detection part detachably connected at the bottom of the handheld rod, a signal converter fixedly connected with the pressure type flow velocity detection part and an empennage fixedly connected with a signal sensor; the utility model converts the flow velocity signal of the fluid into a pressure electric signal by arranging the pressure type flow velocity detection part at the bottom of the hand-held rod, amplifies and converts the signal by the converter, and transmits the signal to the flow meter for calculation, thereby obtaining the fluid flow of the measured layer; the structure is simple, the detection is convenient, and the carrying is convenient; the installation is convenient, and the labor is saved; meanwhile, the force bearing surface of the tail wing control pressure type flow velocity detection part is always vertical to the flow direction of the fluid, so that the accuracy of a measurement result can be ensured.
Description
Technical Field
The utility model belongs to the technical field of the water conservancy automatic measure technique and specifically relates to a pressure flowmeter is related to.
Background
Currently, there are three main types of automated measurements for flow: a measuring weir water level flow measuring mode, an ultrasonic flow measuring mode, a handheld rotary slurry flow measuring mode and the like.
Wherein the measuring weir water level flow measurement mode: a water weir is arranged on the section of a water channel, the flow in the water weir is measured and converted into the height of the water level, and the flow is obtained by measuring the height of the water level. The common water weir comprises a triangular weir, a rectangular weir, a Parshall groove and the like; the method is measured by changing the size and shape of the cross section of the water channel to form water level difference; the civil engineering cost is high and the construction is troublesome.
Ultrasonic flow measurement mode: measuring flow through the ultrasonic pressure flowmeter; the working principle of the ultrasonic pressure flowmeter is an ultrasonic echo technology, and the flow is obtained by measuring the liquid level height of a flow groove (weir) and then calculating by a microprocessor in the instrument. The ultrasonic sensor transmits and receives ultrasonic waves under the control of a microcomputer, calculates the liquid level height, and then obtains the liquid flow according to a specified flow calculation formula; the mode is greatly influenced by water quality and environment.
Rotating the slurry and measuring the flow mode: because of the rotary propeller structure, the water flow is used for pushing the rotary propeller to rotate, the flow speed is calculated according to the rotating speed of the rotary propeller, and then the flow is obtained through a calculation formula; the measurement method has high requirement on lubrication of a flow measurement mechanical part, and needs to be frequently disassembled and cleaned, even used once, disassembled and cleaned once, so that the workload is heavy, and otherwise, the measurement result is influenced.
In view of the foregoing, there is a need for a pressure flowmeter that is light, portable, and easy to detect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can effectively solve above-mentioned technical problem's pressure flowmeter.
In order to achieve the purpose of the utility model, the following technical proposal is adopted:
a pressure flow meter, comprising:
a hand-held wand;
flow instrument: is fixedly arranged at the upper end of the handheld rod;
pressure type flow velocity detection unit: the pressure sensor is detachably connected to the bottom of the handheld rod so as to convert a flow velocity signal of fluid into a pressure electric signal;
the signal converter: the pressure type flow velocity detection component is fixedly connected with the pressure type flow velocity detection component so as to amplify and convert a pressure electric signal detected by the pressure type flow velocity detection component and transmit the pressure electric signal to the flowmeter;
and, a tail: and the pressure type flow velocity detection component is fixedly connected with the signal converter so as to control the force bearing surface of the pressure type flow velocity detection component to be vertical to the flowing direction of the fluid.
Preferably, the pressure type flow rate detection unit is provided as a fluid force sensor.
Preferably, the handheld rod is marked with scales along the length direction of the handheld rod.
Preferably, a handle is fixedly arranged at the top end of the handheld rod.
Preferably, the handle is configured as a hook shape.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model provides a pressure flowmeter, through set up pressure type velocity of flow detection part at the bottom of handheld pole and change the velocity of flow signal of fluid into the pressure electricity signal, and carry out signal amplification, conversion via the converter, and transmit to the flow meter and calculate, and then obtain the fluid flow of the aspect of surveying; the structure is simple, the detection is convenient, and the carrying is convenient; the installation is convenient, and the labor is saved; meanwhile, the force bearing surface of the tail wing control pressure type flow velocity detection part is always vertical to the flow direction of the fluid, so that the accuracy of a measurement result can be ensured.
2. The utility model marks the scale on the hand-held rod, thereby being convenient for controlling the detection depth of the pressure flowmeter and being convenient for use; meanwhile, the hook-shaped handle is arranged, so that the pressure flowmeter is convenient to hold when in use, and the pressure flowmeter can be prevented from slipping from the hand when in use; in addition, can hang pressure flowmeter and deposit after the use, not only can practice thrift the parking space, can drench dry moisture voluntarily moreover during depositing, do not need the manual work to clean labour saving and time saving.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is a schematic structural diagram of a pressure flowmeter according to the present invention.
Numerical description in the figures:
1. a hand-held wand; 2. a flow meter; 3. a signal converter; 4. a fluid force sensor; 5. a tail wing; 6. a transmission cable; 7. a handle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "lateral", "longitudinal", "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the invention. When an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the present invention provides a pressure flowmeter, which comprises a handheld rod 1, a flow meter 2 fixed on the upper end of the handheld rod 1, a pressure type flow velocity detection component detachably connected to the bottom of the handheld rod 1, a signal converter 3 fixedly connected to the pressure type flow velocity detection component, and an empennage 5 fixedly connected to the signal converter 3; wherein the concrete fixed connection mode is preferably bolt connection.
Specifically, the pressure type flow velocity detection component is provided with a fluid force sensor 4 which is in threaded connection with the handheld rod 1, so that the pressure type flow velocity detection component is convenient to install.
The fluid force sensor 4 is a device that converts the flow rate of fluid into an electrical signal, and the fluid flow rate is different from the pressure generated by the fluid force sensor 4, and the pressure generated increases as the flow rate increases. In the detection process, the fluid force sensor 4 converts the detected flow velocity signal into a pressure electric signal, then the signal converter 3 converts the electric signal generated by the fluid force sensor 4 into a standard industrial current signal, and the standard industrial current signal is transmitted to the flow meter 2 through the transmission cable 6 for conversion calculation, so that the fluid flow at the measurement position is obtained.
The tail wing 5 is used for adjusting the direction of the fluid force sensor 4 in the detection process, so that the force bearing surface of the tail wing is always perpendicular to the flow direction of the fluid, and the accuracy of the detection result is ensured.
The hand-held lever 1 is used to control the measurement depth of the fluid force sensor 4. In particular, the hand-held lever 1 is marked with scales along the length direction thereof so as to control the measuring depth of the pressure flowmeter during use.
In addition, the top of the handheld rod 1 is integrally connected with a handle 7, so that the pressure flowmeter is convenient to hold in use; the handle 7 is particularly designed into a hook shape, so that the pressure flowmeter can be prevented from slipping from the hand when in use; on the other hand can hang it after using and deposit, not only practices thrift the parking space, can drip dry moisture automatically moreover during depositing, does not need the manual work to clean labour saving and time saving.
The utility model discloses a theory of operation does:
when in use, the handle 7 of the handheld rod 1 is held by hands, and the fluid force sensor 4 is vertically inserted into a certain layer of fluid, so that the flow rate information of the layer is detected; the specific detection method comprises the following steps: the fluid can generate pressure on the fluid force sensor 4 in the flowing process, and the pressure is higher when the flow rate is higher; the fluid force sensor 4 converts the detected flow velocity signal into a pressure electric signal, then the signal converter 3 converts the electric signal generated by the fluid force sensor 4 into a standard industrial current signal, and the standard industrial current signal is transmitted to the flow meter 2 through the transmission cable 6 for conversion calculation, so that the fluid flow at the measuring position is obtained.
The utility model has the advantages of simple structure, accurate measuring result and convenient use; meanwhile, the installation is convenient, and the labor is saved.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.
Claims (5)
1. A pressure flow meter, characterized by: the method comprises the following steps:
a hand-held wand;
flow instrument: is fixedly arranged at the upper end of the handheld rod;
pressure type flow velocity detection unit: the pressure sensor is detachably connected to the bottom of the handheld rod so as to convert a flow velocity signal of fluid into a pressure electric signal;
the signal converter: the pressure type flow velocity detection component is fixedly connected with the pressure type flow velocity detection component so as to amplify and convert a pressure electric signal detected by the pressure type flow velocity detection component and transmit the pressure electric signal to the flowmeter;
and, a tail: and the pressure type flow velocity detection component is fixedly connected with the signal converter so as to control the force bearing surface of the pressure type flow velocity detection component to be vertical to the flowing direction of the fluid.
2. A pressure flow meter according to claim 1, wherein: the pressure type flow rate detection part is arranged as a fluid force sensor.
3. A pressure flowmeter according to claim 1 or 2, characterized by: scales are marked on the handheld rod along the length direction of the handheld rod.
4. A pressure flow meter according to claim 3, wherein: the top end of the handheld rod is fixedly provided with a handle.
5. A pressure flow meter according to claim 4, wherein: the handle is arranged in a hook shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021622853.6U CN212513162U (en) | 2020-08-06 | 2020-08-06 | Pressure flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021622853.6U CN212513162U (en) | 2020-08-06 | 2020-08-06 | Pressure flowmeter |
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| Publication Number | Publication Date |
|---|---|
| CN212513162U true CN212513162U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021622853.6U Active CN212513162U (en) | 2020-08-06 | 2020-08-06 | Pressure flowmeter |
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| Country | Link |
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| CN (1) | CN212513162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114020068A (en) * | 2021-12-17 | 2022-02-08 | 孙中一 | Solar energy brake control device of remotely controlled gate |
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2020
- 2020-08-06 CN CN202021622853.6U patent/CN212513162U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114020068A (en) * | 2021-12-17 | 2022-02-08 | 孙中一 | Solar energy brake control device of remotely controlled gate |
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