CN202158880U - Small-caliber double-range elbow flow sensor and small-caliber double-range elbow flowmeter - Google Patents
Small-caliber double-range elbow flow sensor and small-caliber double-range elbow flowmeter Download PDFInfo
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- CN202158880U CN202158880U CN2011202324651U CN201120232465U CN202158880U CN 202158880 U CN202158880 U CN 202158880U CN 2011202324651 U CN2011202324651 U CN 2011202324651U CN 201120232465 U CN201120232465 U CN 201120232465U CN 202158880 U CN202158880 U CN 202158880U
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- flow rate
- rate sensor
- high pressure
- winding pipe
- low pressure
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- 238000004804 winding Methods 0.000 claims description 88
- 239000011148 porous material Substances 0.000 claims description 64
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 26
- 239000000411 inducer Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 9
- 229920003023 plastic Polymers 0.000 abstract description 6
- 239000004033 plastic Substances 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract 1
- 238000007598 dipping method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Abstract
The utility model discloses a small-caliber double-range elbow flow sensor and a small-caliber double-range elbow flowmeter. The inlet segment of a first elbow flow sensor and the inlet segment of a second elbow flow sensor are connected in parallel with each other. The outlet segment of the first elbow flow sensor and the outlet segment of the second elbow flow sensor are also connected in parallel with each other. The first elbow flow sensor and the second elbow flow sensor are in the same shape with each other. The calibers of the air inlet pipe and the air outlet pipes of the first elbow flow sensor are greater than the calibers of the air inlet pipe and the air outlet pipes of the second elbow flow sensor. The air inlet pipe or the air outlet pipes of the first elbow flow sensor is correspondingly equipped with an electromagnetic valve. Due to the adoption of the small-caliber double-range elbow flow sensor provided by the utility model, the problems that a conventional small-caliber elbow flow sensor manufactured through plastics moulding and machining is small in measurement range and the measurement error thereof is greatly increased when the flow rate is obviously changed are solved. Meanwhile, the measurement range of the elbow flow sensor is enlarged by 1-10 times and the measurement error of the elbow flow sensor is greatly reduced. Therefore, the elbow flow sensor has a wider application prospect.
Description
Technical field
The utility model discloses a kind of small-bore double-range winding pipe flow rate sensor, the invention also discloses a kind of small-bore double-range elbowmeter.
Background technology
At present, people's utility model has the been arranged small diameter winding pipe flow rate sensor of plastics molding process processing is though solved the dead band of precise numerical control machine to small diameter winding pipe flow rate sensor processing; Make the making of winding pipe flow rate sensor step into the efficient height, precision is high, and consistance is high; Highly polished, low consumption, high complexity; Low price makes the plastics of usefulness and select wide bright prospects, but it still has defective:
(1), measurement range is little, limited its application.
(2), error in dipping increases greatly under the big situation of fluctuations in discharge.
Summary of the invention
One of purpose of the utility model is to overcome the deficiency that exists in the prior art, and a kind of wideer small-bore double-range winding pipe flow rate sensor of flow range of measuring is provided.
Another purpose of the utility model provides a kind of wideer small-bore double-range elbowmeter of flow range of measuring.
The technical scheme that provides according to the utility model; Said small-bore double-range winding pipe flow rate sensor; It comprises first winding pipe flow rate sensor and second winding pipe flow rate sensor; The inducer of first winding pipe flow rate sensor is parallelly connected with the inducer of second winding pipe flow rate sensor, and the outlet section of first winding pipe flow rate sensor is parallelly connected with the outlet section of second winding pipe flow rate sensor; Described first winding pipe flow rate sensor is identical with the second winding pipe flow rate sensor shape; They include the inner passage and are caliber consistent cylindrical air inlet conduit and escape pipe; Between draft tube and the escape pipe through one section be/bend pipe of the circular arc of circumference smoothly joins, the cross section of bend pipe inner passage is that circle and caliber are identical with the caliber of draft tube or escape pipe;
The inside surface of bend pipe internal side wall is a circular arc by the figure that the plane intercepted along the axis direction of bend pipe; Promptly on bend pipe exterior side wall and bend pipe internal side wall, offer high pressure pore and low pressure pore along the center line direction of dividing this circular arc equally; The high pressure pore is identical with the low pressure air vent aperture, distance between the two-end-point line of the aperture >=circular arc of described high pressure pore and low pressure pore;
Perhaps the bend pipe internal side wall is a point by the figure that the plane intercepted along the axis direction of bend pipe, is offering along the high pressure pore and the low pressure pore of the angular bisector direction at the right angle that center line constituted of draft tube and escape pipe on the connecting portion of bend pipe internal side wall with on the bend pipe exterior side wall at draft tube and escape pipe;
The draft tube on first winding pipe flow rate sensor and the caliber of escape pipe be greater than the caliber of draft tube on second winding pipe flow rate sensor and escape pipe, and on corresponding draft tube of first winding pipe flow rate sensor or escape pipe, solenoid valve is installed.
The draft tube on said first winding pipe flow rate sensor and the caliber of escape pipe are 3 ~ 25mm; The draft tube on said second winding pipe flow rate sensor and the caliber of escape pipe are 0.5 ~ 10mm.
The bend pipe internal side wall is a circular arc by the figure that the plane intercepted along the axis direction of bend pipe; On bend pipe exterior side wall and bend pipe internal side wall, offer high pressure pore and low pressure pore along this circular arc center line direction; The high pressure pore is identical with the low pressure air vent aperture, distance between the two-end-point line of the aperture >=circular arc of described high pressure pore or low pressure pore.
When the bend pipe internal side wall is a point by the figure that the plane intercepted along the axis direction of bend pipe, offering along the high pressure pore and the low pressure pore of the angular bisector direction at the right angle that center line constituted of draft tube and escape pipe on the connecting portion of bend pipe internal side wall with on the bend pipe exterior side wall at draft tube and escape pipe.
Draft tube and escape pipe and the bend pipe outer wall that is connected with them are enclosed with pedestal; Angular bisector position along the right angle that center line constituted of draft tube and escape pipe in this pedestal is provided with low pressure connecting hole or the high pressure connecting hole that is the integral type straight tube-like with low pressure pore or high pressure pore; Low pressure connecting hole outer end is provided with low pressure vertically upward and detects the hole; Detect the hole by low pressure pore, low pressure connecting hole and low pressure and constitute the low-pressure gas sense channel; Correspondingly, high pressure connecting hole outer end is provided with high pressure vertically upward and detects the hole, detects the hole by high pressure pore, high pressure connecting hole and high pressure and constitutes the high pressure gas detection passage; Low pressure connecting hole and/or high pressure connecting hole outwards penetrate the outside surface of pedestal, and low pressure connecting hole and high pressure connecting hole are the overlapping cylindrical bore of axis.
Detect the bottom, hole at high pressure and be provided with that to detect the hole in the opposite direction and penetrate the high pressure mudhole of pedestal with high pressure, detect the bottom, hole in low pressure and be provided with that to detect the hole in the opposite direction and penetrate the low-pressure mudhole of pedestal with low pressure.
The high pressure connecting hole outwards penetrates the outside surface of pedestal, detects at the outside surface of pedestal and high pressure to be plugged with sealing in the high pressure connecting hole between the hole and to use plug.
The inner passage length of the draft tube on first winding pipe flow rate sensor or second winding pipe flow rate sensor is greater than or equal to the caliber of the inner passage of five times of draft tube or escape pipes on this winding pipe flow rate sensor; The inner passage length of the escape pipe on first winding pipe flow rate sensor or second winding pipe flow rate sensor is greater than or equal to the caliber of the inner passage of draft tube or escape pipe on this winding pipe flow rate sensor of twice.
Also include two differential pressure pick-ups, corresponding high pressure pore, low pressure pore links to each other on the entrance point of each differential pressure pick-up, endpiece and the winding pipe flow rate sensor separately.
The utility model has been filled up the small diameter winding pipe flow rate sensor measurement range shortcoming little, that error in dipping increases greatly under the big situation of fluctuations in discharge of plastics molding process processing; The utility model makes the winding pipe flow rate sensor measurement range enlarge 1 ~ 10 times; Error in dipping reduces greatly, and application prospect is more extensive.
Description of drawings
Fig. 1 is one of structural representation of small-bore double-range winding pipe flow rate sensor in the utility model.
Fig. 2 be small-bore double-range winding pipe flow rate sensor in the utility model structural representation two.
Fig. 3 is the cut-open view of the embodiment 1 of first winding pipe flow rate sensor in the utility model.
Fig. 4 is the cut-open view of the embodiment 2 of first winding pipe flow rate sensor in the utility model.
Fig. 5 is the cut-open view of the embodiment 3 of first winding pipe flow rate sensor in the utility model.
Fig. 6 is that the A-A of Fig. 5 is to cut-open view.
Fig. 7 is the cut-open view of the embodiment 4 of first winding pipe flow rate sensor in the utility model.
Fig. 8 is one of structural representation of small-bore double-range elbowmeter in the utility model.
Fig. 9 be small-bore double-range elbowmeter in the utility model structural representation two.
Embodiment
Below in conjunction with concrete accompanying drawing and embodiment the utility model is described further.
Like Fig. 1, shown in 2: this small-bore double-range winding pipe flow rate sensor; It comprises first winding pipe flow rate sensor 1000 and second winding pipe flow rate sensor 2000; The inducer of first winding pipe flow rate sensor 1000 is parallelly connected with the inducer of second winding pipe flow rate sensor 2000, and the outlet section of first winding pipe flow rate sensor 1000 is parallelly connected with the outlet section of second winding pipe flow rate sensor 2000; Described first winding pipe flow rate sensor 1000 is identical with second winding pipe flow rate sensor, 2000 shapes; They include the inner passage and are caliber consistent cylindrical air inlet conduit 1 and escape pipe 2; Smoothly join through one section bend pipe 3 that is the circular arc of quarter turn between draft tube 1 and the escape pipe 2, the cross section of bend pipe 3 inner passages is that circle and caliber are identical with the caliber of draft tube 1 or escape pipe 2;
The inside surface of bend pipe internal side wall 6 is a circular arc 16 by the figure that the plane intercepted along the axis direction of bend pipe 3; Promptly on bend pipe exterior side wall 7 and bend pipe internal side wall 6, offer high pressure pore 4 and low pressure pore 5 along the center line of dividing this circular arc 16 equally 17 directions; High pressure pore 4 is identical with low pressure pore 5 apertures, distance between the two-end-point line of the aperture >=circular arc 16 of described high pressure pore 4 and low pressure pore 5;
Perhaps bend pipe internal side wall 6 is a point by the figure that the plane intercepted along the axis direction of bend pipe 3, is offering along the high pressure pore 40 and low pressure pore 50 of draft tube 1 with the angular bisector direction at the right angle that center line constituted of escape pipe 2 on the connecting portion of bend pipe internal side wall 6 with on the bend pipe exterior side wall 7 at draft tube 1 and escape pipe 2;
As shown in Figure 3; Bend pipe internal side wall 6 is a circular arc 16 by the figure that the plane intercepted along the axis direction of bend pipe 3; On bend pipe exterior side wall 7 and bend pipe internal side wall 6, offer high pressure pore 4 and low pressure pore 5 along this circular arc 16 center line directions; High pressure pore 4 is identical with low pressure pore 5 apertures, distance between the two-end-point line of the aperture >=circular arc 16 of described high pressure pore 4 or low pressure pore 5.
Perhaps; As shown in Figure 4; When bend pipe internal side wall 6 is a point by the figure that the plane intercepted along the axis direction of bend pipe 3, offering along the high pressure pore 40 and low pressure pore 50 of draft tube 1 on the connecting portion of bend pipe internal side wall 6 with on the bend pipe exterior side wall 7 with the angular bisector direction at the right angle that center line constituted of escape pipe 2 at draft tube 1 and escape pipe 2.
Like Fig. 5,6, shown in 7; Draft tube 1 and escape pipe 2 and bend pipe 3 outer walls that are connected with them are enclosed with pedestal 8; Angular bisector position along draft tube 1 and the right angle that center line constituted of escape pipe 2 in this pedestal 8 is provided with low pressure connecting hole 9 or the high pressure connecting hole 10 that is the integral type straight tube-like with low pressure pore 5 or high pressure pore 4; Low pressure connecting hole 9 outer end are provided with low pressure vertically upward and detect hole 11; Detect hole 11 by low pressure pore 5, low pressure connecting hole 9 and low pressure and constitute the low-pressure gas sense channel; Correspondingly, high pressure connecting hole 10 outer end are provided with high pressure vertically upward and detect hole 12, detect hole 12 by high pressure pore 4, high pressure connecting hole 10 and high pressure and constitute the high pressure gas detection passage; Low pressure connecting hole 9 and/or high pressure connecting hole 10 outwards penetrate the outside surface of pedestal 8, and low pressure connecting hole 9 is the overlapping cylindrical bore of axis with high pressure connecting hole 10.
Detect 12 bottoms, hole at high pressure and be provided with that to detect hole 12 in the opposite direction and penetrate the high pressure mudhole 13 of pedestal 8 with high pressure, detect 11 bottoms, hole in low pressure and be provided with that to detect hole 11 in the opposite direction and penetrate the low-pressure mudhole 14 of pedestal 8 with low pressure.
High pressure connecting hole 10 outwards penetrates the outside surface of pedestal 8, detects at the outside surface of pedestal 8 and high pressure and is plugged with sealing in the high pressure connecting hole 10 between the hole 12 with plug 15.
The inner passage length of the draft tube 1 on first winding pipe flow rate sensor 1000 or second winding pipe flow rate sensor 2000 is greater than or equal to the perhaps caliber of the inner passage of escape pipe 2 of five times of draft tube 1 on this winding pipe flow rate sensor; The inner passage length of the escape pipe 2 on first winding pipe flow rate sensor or second winding pipe flow rate sensor is greater than or equal to the caliber of the inner passage of draft tube 1 or escape pipe 2 on this winding pipe flow rate sensor of twice.
Through closing solenoid valve 100 on first winding pipe flow rate sensor 1000, opening the solenoid valve 100 on first winding pipe flow rate sensor 1000, can realize double-dial measurement needs, to adapt to wideer flow measurement range.
First winding pipe flow rate sensor 1000, second winding pipe flow rate sensor 2000 can plastics be raw material all, and the plastics molding process one after molding, mould and die preheating, lock pin, fusion-cast, cooling, die sinking and each operation of loosing core through routine makes.
Like Fig. 8, shown in 9, also include two differential pressure pick-ups 200, corresponding high pressure pore 4, low pressure pore 5 links to each other on the entrance point of each differential pressure pick-up 200, endpiece and the winding pipe flow rate sensor separately.
Claims (9)
1. small-bore double-range winding pipe flow rate sensor; It is characterized in that: it comprises first winding pipe flow rate sensor (1000) and second winding pipe flow rate sensor (2000); The inducer of first winding pipe flow rate sensor (1000) is parallelly connected with the inducer of second winding pipe flow rate sensor (2000), and the outlet section of first winding pipe flow rate sensor (1000) is parallelly connected with the outlet section of second winding pipe flow rate sensor (2000); Described first winding pipe flow rate sensor (1000) is identical with the shape of second winding pipe flow rate sensor (2000); They include the inner passage and are consistent cylindrical air inlet conduit (1) of caliber and escape pipe (2); Smoothly join through one section bend pipe (3) that is the circular arc of quarter turn between draft tube (1) and the escape pipe (2), the cross section of bend pipe (3) inner passage is that circle and caliber are identical with the caliber of draft tube (1) or escape pipe (2);
The inside surface quilt of bend pipe internal side wall (6) is circular arc (16) along the figure that the plane intercepted of the axis direction of bend pipe (3); Promptly on bend pipe exterior side wall (7) and bend pipe internal side wall (6), offer high pressure pore (4) and low pressure pore (5) along the center line of dividing this circular arc (16) equally (17) direction; High pressure pore (4) is identical with low pressure pore (5) aperture, distance between the two-end-point line of the aperture >=circular arc (16) of described high pressure pore (4) and low pressure pore (5);
Perhaps bend pipe internal side wall (6) quilt is a point along the figure that the plane intercepted of the axis direction of bend pipe (3), is offering along high pressure pore (40) and the low pressure pore (50) of draft tube (1) with the angular bisector direction at the right angle that center line constituted of escape pipe (2) on the connecting portion of bend pipe internal side wall (6) with on the bend pipe exterior side wall (7) at draft tube (1) and escape pipe (2);
The caliber of the draft tube on first winding pipe flow rate sensor (1) and escape pipe (2) is greater than the caliber of the draft tube on second winding pipe flow rate sensor (1) with escape pipe (2), and on corresponding draft tube (1) of first winding pipe flow rate sensor (1000) or escape pipe (2), solenoid valve (100) is installed.
2. small-bore double-range winding pipe flow rate sensor as claimed in claim 1 is characterized in that: the draft tube (1) on said first winding pipe flow rate sensor (1000) is 3 ~ 25mm with the caliber of escape pipe (2); Draft tube (1) on said second winding pipe flow rate sensor (2000) is 0.5 ~ 10mm with the caliber of escape pipe (2).
3. small-bore double-range winding pipe flow rate sensor as claimed in claim 1; It is characterized in that: bend pipe internal side wall (6) quilt is circular arc (16) along the figure that the plane intercepted of the axis direction of bend pipe (3); On bend pipe exterior side wall (7) and bend pipe internal side wall (6), offer high pressure pore (4) and low pressure pore (5) along this circular arc (16) center line direction; High pressure pore (4) is identical with low pressure pore (5) aperture, distance between the two-end-point line of the aperture >=circular arc (16) of described high pressure pore (4) or low pressure pore (5).
4. small-bore double-range winding pipe flow rate sensor as claimed in claim 1; It is characterized in that: when bend pipe internal side wall (6) is a point by the figure that the plane intercepted along the axis direction of bend pipe (3), offering along the high pressure pore (40) and the low pressure pore (50) of the angular bisector direction at the right angle that center line constituted of draft tube (1) and escape pipe (2) on the connecting portion of bend pipe internal side wall (6) with on the bend pipe exterior side wall (7) at draft tube (1) and escape pipe (2).
5. small-bore double-range winding pipe flow rate sensor as claimed in claim 1; It is characterized in that: draft tube (1) and escape pipe (2) and bend pipe (3) outer wall that is connected with them are enclosed with pedestal (8); Angular bisector position along the right angle that center line constituted of draft tube (1) and escape pipe (2) in this pedestal (8) is provided with low pressure connecting hole (9) or the high pressure connecting hole (10) that is the integral type straight tube-like with low pressure pore (5) or high pressure pore (4); Low pressure connecting hole (9) outer end is provided with low pressure vertically upward and detects hole (11); Detect hole (11) by low pressure pore (5), low pressure connecting hole (9) and low pressure and constitute the low-pressure gas sense channel; Correspondingly; High pressure connecting hole (10) outer end is provided with high pressure vertically upward and detects hole (12); Detect hole (12) by high pressure pore (4), high pressure connecting hole (10) and high pressure and constitute the high pressure gas detection passage, low pressure connecting hole (9) and/or high pressure connecting hole (10) outwards penetrate the outside surface of pedestal (8), and low pressure connecting hole (9) is the overlapping cylindrical bore of axis with high pressure connecting hole (10).
6. small-bore double-range winding pipe flow rate sensor as claimed in claim 5; It is characterized in that: detect bottom, hole (12) at high pressure and be provided with that to detect hole (12) in the opposite direction and penetrate the high pressure mudhole (13) of pedestal (8) with high pressure, detect bottom, hole (11) in low pressure and be provided with that to detect hole (11) in the opposite direction and penetrate the low-pressure mudhole (14) of pedestal (8) with low pressure.
7. small-bore double-range winding pipe flow rate sensor as claimed in claim 5; It is characterized in that: high pressure connecting hole (10) outwards penetrates the outside surface of pedestal (8), detects at the outside surface of pedestal (8) and high pressure and is plugged with sealing in the high pressure connecting hole (10) between the hole (12) with plug (15).
8. small-bore double-range winding pipe flow rate sensor as claimed in claim 1 is characterized in that: the inner passage length of the draft tube (1) on first winding pipe flow rate sensor or second winding pipe flow rate sensor is greater than or equal to the caliber of the inner passage of five times of draft tube (1) or escape pipes (2) on this winding pipe flow rate sensor; The inner passage length of the escape pipe (2) on first winding pipe flow rate sensor or second winding pipe flow rate sensor is greater than or equal to the caliber of the inner passage of draft tube (1) or escape pipe (2) on this winding pipe flow rate sensor of twice.
9. any described small-bore double-range elbowmeter of claim 1 ~ 8; It is characterized in that: also include two differential pressure pick-ups (200), corresponding high pressure pore (4), low pressure pore (5) links to each other on the entrance point of each differential pressure pick-up (200), endpiece and the winding pipe flow rate sensor separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202324651U CN202158880U (en) | 2011-07-04 | 2011-07-04 | Small-caliber double-range elbow flow sensor and small-caliber double-range elbow flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202324651U CN202158880U (en) | 2011-07-04 | 2011-07-04 | Small-caliber double-range elbow flow sensor and small-caliber double-range elbow flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202158880U true CN202158880U (en) | 2012-03-07 |
Family
ID=45766514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202324651U Expired - Fee Related CN202158880U (en) | 2011-07-04 | 2011-07-04 | Small-caliber double-range elbow flow sensor and small-caliber double-range elbow flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202158880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10863667B2 (en) | 2015-09-28 | 2020-12-15 | Precision Planting Llc | Systems and devices for controlling and monitoring liquid applications of agricultural fields |
-
2011
- 2011-07-04 CN CN2011202324651U patent/CN202158880U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10863667B2 (en) | 2015-09-28 | 2020-12-15 | Precision Planting Llc | Systems and devices for controlling and monitoring liquid applications of agricultural fields |
| US11337366B2 (en) | 2015-09-28 | 2022-05-24 | Precision Planting Llc | Systems and devices for controlling and monitoring liquid applications of agricultural fields |
| US11350562B2 (en) | 2015-09-28 | 2022-06-07 | Precision Planting Llc | Systems and devices for controlling and monitoring liquid applications of agricultural fields |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20130704 |