CN221006434U - Wide range ratio float flowmeter measurement combination - Google Patents
Wide range ratio float flowmeter measurement combination Download PDFInfo
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- CN221006434U CN221006434U CN202323189016.5U CN202323189016U CN221006434U CN 221006434 U CN221006434 U CN 221006434U CN 202323189016 U CN202323189016 U CN 202323189016U CN 221006434 U CN221006434 U CN 221006434U
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- float flowmeter
- electromagnetic valve
- wide range
- range ratio
- protective box
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- 238000005259 measurement Methods 0.000 title claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims abstract description 33
- 238000009413 insulation Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of flowmeters and discloses a float flowmeter measurement combination with a wide range ratio, which comprises a protective box and an integrating instrument, wherein a main pipeline and a branch pipeline are arranged in the protective box; the main pipeline is sequentially provided with a first electromagnetic valve and a first float flowmeter along the conveying direction, and the branch pipeline is sequentially provided with a second electromagnetic valve and a second float flowmeter along the conveying direction; the first electromagnetic valve, the first float flowmeter, the second electromagnetic valve and the second float flowmeter are electrically connected with the integrating instrument through wires. According to the utility model, the float flowmeters are arranged in a parallel manner, so that the space occupation of the whole device can be reduced; the integrating instrument switches branch pipelines with different pipe diameters according to actual flow, detects the flow through the float flowmeter with matched measuring ranges, improves the measuring range ratio and simultaneously further reduces the measuring blind area.
Description
Technical Field
The utility model relates to the technical field of flowmeters, in particular to a float flowmeter measuring combination with wide range ratio.
Background
The turndown ratio is an important parameter of the flowmeter. The measuring range ratio means that the ratio of the maximum flow value to the minimum flow value can be measured on the premise of ensuring the accuracy of the flowmeter. For example, a flowmeter can measure a maximum flow rate of 100 tons/hour and a minimum flow rate of 10 tons/hour. The ratio of the range of the flowmeter is 100/10, namely the ratio of the range to the range of 10:1.
Any float flowmeter has a measured flow, can measure from 0, and can normally measure from a low-level value, so that the flow is measured by a single flowmeter, and the problems of insufficient measuring range ratio or measurement blind areas are always caused.
In the prior art, the float flowmeters with different range ratios are connected in series to achieve the problems of improving the range ratio and reducing the measurement blind area, the float flowmeters with matched ranges are switched and used according to actual flow through an integrating instrument, flow data are displayed, the length of a straight pipe section required during setting is increased, the space occupation is large, the float flowmeters are all arranged on a pipeline with the same diameter, and the precision is low for monitoring very small flow.
Therefore, to solve the above problem, we propose a float flowmeter measurement combination with a wide range ratio.
Disclosure of utility model
The utility model aims to provide a float flowmeter measuring combination with wide range ratio, which is characterized in that the float flowmeters are arranged in parallel, and branch pipelines with different pipe diameters are switched according to actual flow so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
On the one hand:
the utility model provides a float flowmeter measurement combination of wide range ratio, includes protective housing and totalizer, the internally mounted of protective housing has trunk line and branch pipeline, the through-hole has all been seted up to the both sides of protective housing, the through-hole is all stretched out at the both ends of trunk line, the whole U-shaped that takes on of branch pipeline, and the both ends of branch pipeline all communicate with one side of trunk line;
the main pipeline is sequentially provided with a first electromagnetic valve and a first float flowmeter along the conveying direction, and the branch pipeline is sequentially provided with a second electromagnetic valve and a second float flowmeter along the conveying direction;
The first electromagnetic valve, the first float flowmeter, the second electromagnetic valve and the second float flowmeter are electrically connected with the integrating instrument through wires;
The clamp piece for fixing the main pipeline and the branch pipeline is arranged at the bottom of the inner side of the protective box, and the clamp piece is arranged on two sides of the first float flowmeter and the second float flowmeter.
Further, the clamp piece includes snap ring and base, the inboard bottom fixed mounting of protective housing has the base, and the snap ring is installed through the screw to the upside of base.
Further, the inner wall of the protective box is provided with a heat insulation layer.
Further, a sealing joint is arranged on the side wall of the protective box.
On the other hand:
Further, grooves are formed in one sides, close to each other, of the clamping ring and the base, the aligned grooves form annular grooves, first buffer rings are sleeved on the outer sides of the main pipeline and the branch pipeline, and the first buffer rings are located in the annular grooves.
Further, the two ends of the main pipeline are respectively sleeved with a second buffer ring, the circumference side of each second buffer ring is provided with a limit groove, and the limit grooves are assembled with the through holes in a clamping mode.
Further, the wall thickness of the first buffer ring and the second buffer ring is at least 20mm.
Compared with the prior art, the utility model has the beneficial effects that:
The float flowmeters are arranged in parallel, so that the space occupation of the whole device can be reduced;
Each float flowmeter is matched with an electromagnetic valve, the integrating instrument switches branch pipelines with different pipe diameters according to actual flow, the flow is detected through the float flowmeter with matched measuring range, the branch pipeline with small pipe diameter is more beneficial to improving the detection precision of small flow, and the measuring blind area is further reduced while the measuring range ratio is improved;
in addition, the structures such as the protective box and the like can intensively isolate and protect the components such as the electromagnetic valve, the float flowmeter and the like, reduce the damage risk and avoid the influence of the temperature in the external environment on the detection precision.
Drawings
FIG. 1 is a schematic front view of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the structure in the direction A-A of FIG. 1;
fig. 3 is a schematic left side view of the structure of the clip member of the present utility model.
In the figure: 1 protective housing, 2 insulating layer, 3 first float flowmeter, 4 clamp spare, 41 snap rings, 42 bases, 5 trunk lines, 6 branch pipelines, 7 second float flowmeter, 8 sealing joint, 9 second solenoid valve, 10 second buffer ring, 11 first solenoid valve, 12 integrator, 13 first buffer ring.
Detailed Description
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.
Embodiment one:
Referring to fig. 1, 2 and 3, the utility model provides a float flowmeter measuring combination with wide range ratio, which comprises a protective box 1 and an integrating instrument 12, wherein the protective box 1 is an existing component consisting of a box body, a box cover, a hasp, a hinge and the like, plays a role in protection and is convenient to open and maintain; the inside of the protective box 1 is provided with a main pipeline 5 and a branch pipeline 6, through holes are formed in two sides of the protective box 1, two ends of the main pipeline 5 extend out of the through holes, and the end part of the main pipeline 5 can be provided with a flange plate or threads according to the butt joint requirement; the branch pipe 6 is U-shaped integrally, two ends of the branch pipe 6 are communicated with one side of the main pipe 5, and the pipe diameter of the branch pipe 6 is smaller than that of the main pipe 5.
The main pipe 5 is provided with a first electromagnetic valve 11 and a first float flowmeter 3 in sequence along the conveying direction (from left to right with reference to the azimuth in fig. 2), and the branch pipe 6 is provided with a second electromagnetic valve 9 and a second float flowmeter 7 in sequence along the conveying direction; the first electromagnetic valve 11 and the second electromagnetic valve 9 have only one communication pipeline in operation, namely the second electromagnetic valve 9 is closed when the first electromagnetic valve 11 is opened, or the second electromagnetic valve 9 is opened when the first electromagnetic valve 11 is closed, the second float flowmeter 7 is a flowmeter for measuring 20m 3/h-2m3/h, and the first float flowmeter 3 is a flowmeter for measuring 100m 3/h-10m3/h.
The first electromagnetic valve 11, the first float flowmeter 3, the second electromagnetic valve 9 and the second float flowmeter 7 are electrically connected with the integrating instrument 12 through wires; the flow information can be transmitted into the same integrating instrument 12, and the integrating instrument 12 can control the opening and closing states of the first electromagnetic valve 11 and the second electromagnetic valve 9.
The bottom of the inner side of the protective box 1 is provided with a clamp piece 4 for fixing a main pipeline 5 and a branch pipeline 6, and the two sides of the first float flowmeter 3 and the second float flowmeter 7 are provided with the clamp piece 4; the parts inside the protective box 1 can be positioned through the clamp piece 4, and meanwhile, the protective box 1 can isolate and protect the parts inside, so that the parts are prevented from being damaged due to collision.
Specifically, as shown in fig. 3, the clamp member 4 comprises a clamping ring 41 and a base 42, the base 42 is fixedly arranged at the bottom of the inner side of the protective box 1, the clamping ring 41 is arranged on the upper side of the base 42 through screws, screw holes for connecting the screws are formed in two ends of the base 42, and screws for penetrating through the screw holes are formed in two ends of the clamping ring 41; by means of the clip element 4, the parts on the main pipe 5 and the branch pipe 6 can be supported and locked, keeping a gap of at least 10mm between the side wall of the protective housing 1 and the internal parts.
The inner wall of the protective box 1 is provided with the heat insulation layer 2, and the material of the heat insulation layer 2 is preferably polyurethane foam, so that the heat insulation effect of the protective box 1 can be improved, and the influence of the external environment on the acquisition precision of the float flowmeter is reduced.
The side wall of the protective box 1 is provided with a sealing joint 8, and an internal lead can be led out through the sealing joint 8 and electrically connected with an integrating instrument 12, and the tightness of the protective box 1 is maintained.
The application mode of the embodiment is as follows:
The method is applied to the occasion of measuring valuable media such as various oils or the condition of very large flow in the light-season and very small flow in the light-season;
during installation, two ends of the main pipeline 5 are connected into a conveying pipeline of the flow to be monitored, and the integrating instrument 12 is installed at a convenient observation place;
When the flow is detected, the first float flowmeter 3 in the main pipeline 5 measures the flow less than 10m 3/h; at this time, the integrating instrument 12 closes the first electromagnetic valve 11 at the main pipeline 5, opens the second electromagnetic valve 9 on the branch pipeline 6, and the medium flows into the small-diameter branch pipeline 6, so that the flow of 20m 3/h-2m3/h can be measured by the second float flowmeter 7; when the flow is lower than 2m 3/h, the integrating instrument displays zero; the flow rate increasing process is reversed, when the flow rate is increased to 10m 3/h, the second electromagnetic valve 9 is closed, the first electromagnetic valve 11 is opened, and the large flow rate is measured; thus, in the measurement combination, as shown in FIG. 2, a set of flow measurement combination with the measuring range of 100m 3/h-2m3/h and the measuring range ratio of 50:1 is integrated by using 2 float flowmeters with the measuring range ratio of 10:1; the first float flowmeter 3 and the second float flowmeter 7 have partially overlapped measuring ranges, can ensure the measuring precision when the flow is near 10m 3/h, and are beneficial to accurate switching of the flowmeters.
Embodiment two:
The utility model provides another measuring combination of a float flowmeter with a wide range ratio, which comprises all the technical characteristics in the first embodiment, and the further added technical characteristics are as follows:
Grooves are formed in the sides, close to each other, of the clamping ring 41 and the base 42, the aligned grooves form annular grooves, the outer sides of the main pipeline 5 and the branch pipeline 6 are sleeved with first buffer rings 13, and the first buffer rings 13 are located in the annular grooves; the two ends of the main pipeline 5 are respectively sleeved with a second buffer ring 10, and the circumference side of the second buffer ring 10 is provided with a limit groove which is clamped and assembled with the through hole; the wall thickness of the first buffer ring 13 and the second buffer ring 10 is at least 20mm, the first buffer ring 13 and the second buffer ring 10 are made of rubber materials, and the protective performance of the protective box 1 can be improved through the arrangement of the first buffer ring 13 and the second buffer ring 10.
The application mode of the embodiment is as follows:
In the normal working process of detecting flow, the protection box 1 always plays an isolating protection role on the internal components, when accidental collision occurs, vibration on the protection box 1 can be buffered and absorbed through the first buffer ring 13 and the second buffer ring 10, direct collision to the internal components is avoided, the protection box 1 can be properly displaced due to elasticity of the first buffer ring 13 and the second buffer ring 10, the risk that the protection box 1 is damaged can be reduced, and the protection effect is further improved.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The float flowmeter measurement combination with wide range ratio is characterized in that: the device comprises a protective box (1) and an integrating instrument (12), wherein a main pipeline (5) and branch pipelines (6) are arranged in the protective box (1), through holes are formed in two sides of the protective box (1), two ends of the main pipeline (5) extend out of the through holes, the branch pipelines (6) are integrally U-shaped, and two ends of the branch pipelines (6) are communicated with one side of the main pipeline (5);
The main pipeline (5) is sequentially provided with a first electromagnetic valve (11) and a first float flowmeter (3) along the conveying direction, and the branch pipeline (6) is sequentially provided with a second electromagnetic valve (9) and a second float flowmeter (7) along the conveying direction;
The first electromagnetic valve (11), the first float flowmeter (3), the second electromagnetic valve (9) and the second float flowmeter (7) are electrically connected with the integrating instrument (12) through wires;
The clamp pieces (4) used for fixing the main pipeline (5) and the branch pipeline (6) are arranged at the bottom of the inner side of the protective box (1), and the clamp pieces (4) are arranged on two sides of the first float flowmeter (3) and two sides of the second float flowmeter (7).
2. The wide range ratio float flowmeter measurement combination of claim 1, wherein: the clamp piece (4) comprises a clamping ring (41) and a base (42), the base (42) is fixedly arranged at the bottom of the inner side of the protective box (1), and the clamping ring (41) is arranged on the upper side of the base (42) through a screw.
3. The wide range ratio float flowmeter measurement combination of claim 2, wherein: the clamping ring (41) and the base (42) are provided with grooves on one sides close to each other, the aligned grooves form annular grooves, the outer sides of the main pipeline (5) and the branch pipeline (6) are sleeved with first buffer rings (13), and the first buffer rings (13) are located in the annular grooves.
4. A wide range ratio float flowmeter measurement combination according to claim 3, wherein: the two ends of the main pipeline (5) are respectively sleeved with a second buffer ring (10), a limiting groove is formed in the circumferential side of each second buffer ring (10), and the limiting grooves are assembled with the through holes in a clamping mode.
5. The wide range ratio float flowmeter measurement combination of claim 4, wherein: the wall thickness of the first buffer ring (13) and the second buffer ring (10) is at least 20mm.
6. The wide range ratio float flowmeter measurement combination of claim 1, wherein: the inner wall of the protective box (1) is provided with a heat insulation layer (2).
7. The wide range ratio float flowmeter measurement combination of claim 1, wherein: the side wall of the protective box (1) is provided with a sealing joint (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323189016.5U CN221006434U (en) | 2023-11-25 | 2023-11-25 | Wide range ratio float flowmeter measurement combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323189016.5U CN221006434U (en) | 2023-11-25 | 2023-11-25 | Wide range ratio float flowmeter measurement combination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221006434U true CN221006434U (en) | 2024-05-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323189016.5U Active CN221006434U (en) | 2023-11-25 | 2023-11-25 | Wide range ratio float flowmeter measurement combination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221006434U (en) |
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2023
- 2023-11-25 CN CN202323189016.5U patent/CN221006434U/en active Active
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