CN220670616U - Accurate monitoring triangle weir device of discharge based on weighing type - Google Patents
Accurate monitoring triangle weir device of discharge based on weighing type Download PDFInfo
- Publication number
- CN220670616U CN220670616U CN202321756522.5U CN202321756522U CN220670616U CN 220670616 U CN220670616 U CN 220670616U CN 202321756522 U CN202321756522 U CN 202321756522U CN 220670616 U CN220670616 U CN 220670616U
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- Prior art keywords
- box body
- communicating vessel
- triangular weir
- corrugated hose
- weighing
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- 238000005303 weighing Methods 0.000 title claims abstract description 30
- 238000012544 monitoring process Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Abstract
A water flow accurate monitoring triangular weir device based on weighing comprises a box body, wherein a triangular weir groove is formed on the top surface of the box body; the bottom of the triangular weir groove is communicated with a corrugated hose, the corrugated hose is limited in the inner cavity of the box body, one end of the corrugated hose, which is far away from the triangular weir groove, is connected with a communicating vessel, the communicating vessel is of a U-shaped tube structure, one end of the communicating vessel, which is far away from the corrugated hose, penetrates through the top surface of the box body from bottom to top, the communicating vessel is in sliding connection with the box body, a weighing sensor is fixedly arranged at a position, which is positioned right below the communicating vessel, of the bottom surface of the inner cavity of the box body, and the bottom end of the communicating vessel is in butt joint with the top surface of the weighing sensor; an observation window is arranged at the side surface of the box body and at the position corresponding to the weighing sensor.
Description
Technical Field
The utility model relates to the technical field of regional water flow accurate monitoring, in particular to a weighing-based water flow accurate monitoring triangular weir device.
Background
The monitoring and management of hydrologic parameters is necessary, both in flood control, water supply, agriculture and in engineering construction, and the measurement of water flow is a prerequisite. Specifically, the water flow is monitored, so that drought and waterlogging disaster conditions can be judged, and flood early warning can be issued; judging that landslide, collapse and other disasters can not be caused by rainfall in mountain engineering construction, present people face a plurality of challenges, realizing reasonable distribution of water resources among different purposes (entertainment, energy, irrigation, construction and drinking water), meeting new requirements of social development on knowledge, and having specific significance and status for monitoring water flow.
The existing water flow monitoring device mainly comprises the following two types: in the prior art (1), a water flow monitoring device monitors by using a liquid flow meter, wherein the liquid flow meter is a meter for measuring conductive liquid, which is manufactured according to Faraday electromagnetic induction law, and specifically, the water flow meter is placed in water, and the water flow of the meter is measured by reading the flow velocity of an electronic counter at a water outlet; the prior art (2) uses the pressure of water to monitor, in particular, uses the pressure difference formed by water in the pipe area to read the flow rate of water.
The device in the prior art (1) has certain limitation that the measured data does not consider the fluid density, only the volume flow in the normal temperature state is not suitable, besides the measured flow signals, signals which are irrelevant to the flow are mixed, such as phase voltage, orthogonal voltage, common mode voltage and the like, interference can be caused, and the water flow meter is complex to install, difficult to read, low in precision and high in price; the equipment that uses in prior art (2) receives medium density and temperature influence great, so the precision often is relatively poor to the equipment receives restriction of water velocity great, easily causes false water level phenomenon, simultaneously, receives the weather influence, easily causes the water level to be dull, and the precision is inaccurate.
Disclosure of Invention
The utility model aims to provide a weighing-based water flow accurate monitoring triangular weir device so as to solve the problems in the prior art.
The water flow accurate monitoring triangular weir device based on weighing comprises a box body, wherein a triangular weir groove is formed in the top surface of the box body; the bottom of the triangular weir groove is communicated with a corrugated hose, the corrugated hose is limited in the inner cavity of the box body, one end of the corrugated hose, which is far away from the triangular weir groove, is connected with a communicating vessel, the communicating vessel is of a U-shaped tube structure, one end of the communicating vessel, which is far away from the corrugated hose, penetrates through the top surface of the box body from bottom to top, the communicating vessel is in sliding connection with the box body, a weighing sensor is fixedly arranged at the position, which is positioned right below the communicating vessel, of the bottom surface of the inner cavity of the box body, and the top surface of the weighing sensor is fixedly connected with the bottom end of the communicating vessel; and an observation window is formed in the side surface of the box body at a position corresponding to the weighing sensor.
Preferably, the top surface of the box body is positioned at the end part of the communicating vessel and is buckled with a rain shielding device, and the rain shielding device is of a hollow cylinder structure and the bottom surface is transparent.
Preferably, the rain shielding device is made of iron, and a plurality of magnets are fixedly connected to the top surface of the inner cavity of the box body at positions corresponding to the rain shielding device.
Preferably, a transparent plastic plate is fixedly connected to the side wall of the inner cavity of the box body at a position corresponding to the observation window.
The utility model discloses the following technical effects:
the water flow measuring device can measure water flow more conveniently and accurately, and enables the whole test to be completed in the field, so that the application range is enlarged; the water flow can be accurately measured, and the measured data has no other irrelevant data interference, so that the problems of inaccurate measurement, poor precision and the like caused by climate influence can not occur; the obtained water flow data can be manually and further analyzed, and has important significance in scientific research and engineering practice.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a schematic diagram of the positional relationship between the rain shield and the end of the communicating vessel according to the present utility model.
Wherein:
1. a transparent plastic plate; 2. triangular weir groove; 3. a corrugated hose; 4. a communicating vessel; 5. an observation window; 6. a rain shield; 7. a magnet; 8. a case; 9. a load cell.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-2, a weighing-based water flow accurate monitoring triangular weir device comprises a box body 8, wherein a triangular weir groove 2 is formed on the top surface of the box body 8; the tank bottom of the triangular weir groove 2 is communicated with a corrugated hose 3, the corrugated hose 3 is limited in the inner cavity of the tank body 8, one end of the corrugated hose 3, which is far away from the triangular weir groove 2, is connected with a communicating vessel 4, the communicating vessel 4 is of a U-shaped pipe structure, one end of the communicating vessel 4, which is far away from the corrugated hose 3, penetrates through the top surface of the tank body 8 from bottom to top, the communicating vessel 4 is in sliding connection with the tank body 8, a weighing sensor 9 is fixedly arranged at a position, which is right below the communicating vessel 4, of the bottom of the tank body 8, and the top surface of the weighing sensor 9 is fixedly connected with the bottom end of the communicating vessel 4; an observation window 5 is arranged at the side surface of the box body 8 and at the position corresponding to the weighing sensor 9.
The box body 8 is made of stainless steel, the top surface of the box body 8 is a detachable box cover, the top surface of the box body 8 is directly recessed downwards to form the triangular weir groove 2, and the triangular weir groove 2 penetrates through two opposite side surfaces of the box body 8 front and back, so that external water can be drained into the triangular weir groove 2; the corrugated hose 3 is vertically arranged, the top end of the corrugated hose 3 is fixedly connected to the bottom of the triangular weir groove 2 and is communicated with the triangular weir groove 2, the bottom end of the corrugated hose is communicated with one end of the communicating vessel 4, and the corrugated hose 3 is made of rubber and can be stretched and compressed; the two ports of the communicating vessel 4 are vertically oriented, and one end of the communicating vessel 4 far away from the triangular weir groove 2 penetrates through the top surface of the box body 8 and is in sliding connection with the top surface of the box body 8; the communicating vessel 4 can move up and down within the limit of stretching the corrugated hose 3; the load cell 9 is a resistive load cell.
Before use, some water is poured into the communicating vessel 4 until the corrugated hose 3 is filled with water, at the moment, the height of the water in the communicating vessel 4 is flush with the bottom of the triangular weir groove 2, when water flows through the triangular weir groove 2, as the communicating vessel 4 is communicated with the triangular weir groove 2 and the water levels at the two ends of the communicating vessel 4 are the same, a part of water enters the communicating vessel 4, the water level in one end of the communicating vessel 4 far away from the corrugated hose 3 rises to the same position as the water level in the triangular weir groove 2, the increased gravity of the part of water is applied to the weighing sensor 9 through the communicating vessel 4, and when the weighing sensor 9 is elastically deformed, the communicating vessel 4 is lowered, the corrugated hose 3 is stretched, and the micro deformation of the weighing sensor 9 can be matched; the user can observe the reading of the weighing sensor 9 from the observation window 5, record the change value of the weight, obtain the increased mass of the water, and calculate the flow of the water through conversion.
Further optimizing scheme, the position that box 8 top surface is located the tip of linker 4 detains and is equipped with rain shielding ware 6, and rain shielding ware 6 is hollow cylinder structure and bottom surface penetrating.
Because the end of the communicating vessel 4 away from the corrugated hose 3 needs to extend to the upper side of the box 8 to communicate with the outside, there may be rainwater or other water entering the communicating vessel 4, and the rain shielding device 6 may shield the end of the communicating vessel 4 away from the corrugated hose 3 to prevent the rainwater or other water from entering the communicating vessel 4 to affect the measured data.
According to a further optimization scheme, the rain shielding device 6 is made of iron, and a plurality of magnets 7 are fixedly connected to the top surface of the inner cavity of the box body 8 at positions corresponding to the rain shielding device 6.
The rain shield 6 can be firmly adsorbed on the box body 8 through the magnet 7, so that displacement caused by wind, rain and the like is avoided.
In a further optimized scheme, a transparent plastic plate 1 is fixedly connected to the side wall of the inner cavity of the box body 8 at a position corresponding to the observation window 5.
The transparent plastic plate 1 prevents water from entering the box 8 from the viewing window 5, and the symmetrical weight sensor 9 plays a protective role.
When the utility model is used, a certain amount of water is poured into the communicating vessel 4 in advance until the corrugated hose 3 is filled, the water surface is level with the bottom of the triangular weir groove 2, then the reading of the weighing sensor 9 is recorded, the water with the flow to be measured is introduced into the triangular weir groove 2, the reading change of the weighing sensor 9 is observed in the observation window 5, the reading change value is the mass m of the water, after the mass m of the water is obtained, the volume v of the water can be obtained through a density calculation formula, the height of the water at the moment can be obtained through a volume formula v=sh, and the flow Q of the water can be obtained through the existing formula.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (4)
1. Accurate monitoring triangle weir device of discharge based on weighing type, its characterized in that includes: the device comprises a box body (8), wherein a triangular weir groove (2) is formed on the top surface of the box body (8); the novel automatic weighing device is characterized in that a corrugated hose (3) is communicated with the bottom of the triangular weir groove (2), the corrugated hose (3) is limited in an inner cavity of the box body (8), one end, away from the triangular weir groove (2), of the corrugated hose (3) is connected with a communicating vessel (4), the communicating vessel (4) is of a U-shaped tube structure, one end, away from the corrugated hose (3), of the communicating vessel (4) penetrates through the top surface of the box body (8) from bottom to top, the communicating vessel (4) is in sliding connection with the box body (8), a weighing sensor (9) is fixedly arranged at a position, located right below the communicating vessel (4), of the bottom end of the communicating vessel (4) is fixedly connected with the top surface of the weighing sensor (9); an observation window (5) is formed in the side surface of the box body (8) at a position corresponding to the weighing sensor (9).
2. The weighing-based water flow accurate monitoring triangular weir device according to claim 1, wherein: the top surface of the box body (8) is positioned at the end part of the communicating vessel (4), a rain shielding device (6) is buckled, and the rain shielding device (6) is of a hollow cylinder structure and the bottom surface is transparent.
3. The weighing-based water flow accurate monitoring triangular weir device according to claim 2, wherein: the rain shielding device (6) is made of iron, and a plurality of magnets (7) are fixedly connected to the top surface of the inner cavity of the box body (8) at positions corresponding to the rain shielding device (6).
4. The weighing-based water flow accurate monitoring triangular weir device according to claim 1, wherein: the side wall of the inner cavity of the box body (8) is fixedly connected with a transparent plastic plate (1) at a position corresponding to the observation window (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321756522.5U CN220670616U (en) | 2023-07-06 | 2023-07-06 | Accurate monitoring triangle weir device of discharge based on weighing type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321756522.5U CN220670616U (en) | 2023-07-06 | 2023-07-06 | Accurate monitoring triangle weir device of discharge based on weighing type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220670616U true CN220670616U (en) | 2024-03-26 |
Family
ID=90339819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321756522.5U Active CN220670616U (en) | 2023-07-06 | 2023-07-06 | Accurate monitoring triangle weir device of discharge based on weighing type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220670616U (en) |
-
2023
- 2023-07-06 CN CN202321756522.5U patent/CN220670616U/en active Active
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