CN105928593A - Open and closed circulation flowmeter calibration device - Google Patents
Open and closed circulation flowmeter calibration device Download PDFInfo
- Publication number
- CN105928593A CN105928593A CN201610280450.XA CN201610280450A CN105928593A CN 105928593 A CN105928593 A CN 105928593A CN 201610280450 A CN201610280450 A CN 201610280450A CN 105928593 A CN105928593 A CN 105928593A
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- CN
- China
- Prior art keywords
- opening
- flow meter
- checking device
- circular flow
- meter checking
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention provides an open and closed circulation flowmeter calibration device. The device comprises a meter head, a measuring pipe, an adjusting mechanism and a protection cushion, wherein the meter head is mounted on the left side of the measuring pipe through a bolt; the measuring pipe is nested in the adjusting mechanism; the adjusting mechanism is sleeved with the protection cushion. By means of a servo motor, a thermocouple and a control module, electromechanical constants are small, the linearity is high, the transmission accuracy can be guaranteed, the measurement accuracy is high, the response time is short, the mechanical strength is high, good pressure-resistant properties are realized, the temperature measurement accuracy is further guaranteed, the intelligent control degree is further improved, the maintenance cost is reduced, and the working efficiency is improved.
Description
Technical field
Patent of the present invention belongs to gas flow measurement technical field, particularly relates to a kind of opening and closing recycle stream gauge school
Experiment device.
Background technology
Existing opening and closing circular flow meter checking device generally comprises gauge outfit, measures caliber and sensing element three
Point.Sensing element typically uses thermocouple；Measure caliber and be generally hollow pipe, stretch into one end of pipeline to be measured
Thermocouple is set, the line of thermocouple and gauge outfit is set in pipe；Gauge outfit generally comprises be data show screen and connects
Receiving thermocouple signal and send the control module of display command, gauge outfit is generally located on measurement caliber and stretches out to be measured
One end of pipeline.When installing opening and closing circular flow meter checking device, first weld on pipe under test outer wall
With external screw thread and the base of through hole, punch in then corresponding with base plate through holes on pipeline position, punching
After stainless steel ball valve is installed on base, finally opening and closing circular flow meter checking device is arranged on valve
And measurement caliber is inserted into Guan Nei center.But there is following lacking in existing opening and closing circular flow meter checking device
Point: first, its length measuring caliber of existing opening and closing circular flow meter checking device is certain, and
During installation, it is desirable to its sensing element is positioned at the center of pipeline to be measured, this allows for user needs according to difference
The diameter of pipe under test selects the opening and closing circular flow meter checking device of different measuring pipe diameter length, its versatility
It is deteriorated；Secondly, if sensing element is not positioned when installing the center of pipeline to be measured, need to open
Closed loop flow gauge checking apparatus is reinstalled after unloading, complex operation.
Therefore, a kind of opening and closing circular flow meter checking device of invention seems the most necessary.
Patent of invention content
In order to solve above-mentioned technical problem, patent of the present invention provides a kind of opening and closing circular flow meter checking device,
Poor universality is there is, the problem of complex operation with the existing mass flowmenter of solution.A kind of opening and closing recycle stream gauge
Calibration equipment, including gauge outfit, measures caliber, and governor motion, protective pad, described gauge outfit is pacified by bolt
It is contained in the left side measuring caliber；The inside of governor motion it is enclosed within described measurement caliber；Described protective pad
It is sleeved on around governor motion；Described governor motion includes fixing cylinder, sensing element, left Distance-sensing
Device, fixing seat, right range sensor, leading screw, motor, control module, screw mandrel, rocking handle, described biography
Sensing unit is bolted on the bottom of fixing seat；Described left range sensor is bolted on solid
The left side of reservation；Described fixing seat is connected with motor by leading screw；Described right range sensor passes through
It is bolted to the right side of fixing seat；Described motor is arranged on the top of fixing cylinder；Described control module
It is arranged on the right side of motor；Described screw mandrel is connected with fixing cylinder by screw thread, and end is managed with measuring
Footpath connects；Described rocking handle is welded on the right part of screw mandrel.
Described motor specifically uses servomotor, has dynamo-electric constant little, and the linearity is high, and transmission is the most special
Point.
Described screw mandrel specifically uses the alloy leading screw of a diameter of 1 centimetre to 2.5 centimetres, have stable drive and
Corrosion resistant feature.
Described sensing element specifically uses thermocouple, has certainty of measurement high, and response time is fast, and machinery is strong
Spend high and good pressure performance.
Described fixing cylinder specifically uses the corrosion resistant plate of 2 millimeters to 3 millimeters, has good corrosion resistance
Energy and the feature of length in service life.
Tangible display screen is inlayed, it is simple to the temperature measured by detection in real time, structure letter outside described gauge outfit
Single, it is simple to safeguard.
Described protective pad specifically uses natural rubber material pad, has good wearability, elastic and higher
The intensity that fractures, inner member is played certain protective effect.
Described control module specifically uses single-chip microcomputer assembly structure, is conducive to improving high intelligent control degree,
Reduce maintenance cost, improve work efficiency.
Compared with prior art, patent of the present invention has the advantages that due to the one of patent of the present invention
Opening and closing circular flow meter checking device is widely used in gas flow measurement technical field.Meanwhile, the present invention is special
Having the beneficial effect that of profit
The setting of the motor of patent the most of the present invention, dynamo-electric constant is little, and the linearity is high, it is ensured that the essence of transmission
Exactness.
The setting of the thermocouple of patent the most of the present invention, certainty of measurement is high, and response time is fast, mechanical strength
High and good pressure performance, it is ensured that measure the accuracy of temperature.
The setting of the control module of patent the most of the present invention, is conducive to improving high intelligent control degree, reduces
Maintenance cost, improves work efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of patent of the present invention.
Fig. 2 is the structural representation of the adjustment structure of patent of the present invention.
In figure:
1-gauge outfit, 2-measures caliber, 3-governor motion, and 31-fixes cylinder, 32-sensing element, the left distance of 33-
Sensor, 34-fixes seat, the right range sensor of 35-, 36-leading screw, 37-motor, 38-control module, 39-
Screw mandrel, 310-rocking handle, 4-protective pad.
Detailed description of the invention
Below in conjunction with accompanying drawing, patent of the present invention is described further:
Embodiment:
As shown in accompanying drawing 1 to accompanying drawing 2
Patent of the present invention provides a kind of opening and closing circular flow meter checking device, including gauge outfit 1, measures caliber 2,
Governor motion 3, protective pad 4, described gauge outfit 1 is arranged on the left side measuring caliber 2 by bolt；Described
Measure in caliber 2 inside being enclosed within governor motion 3；Described protective pad 4 is sleeved on governor motion 3
Around；Described governor motion 3 includes fixing cylinder 31, sensing element 32, left range sensor 33, fixes
Seat 34, right range sensor 35, leading screw 36, motor 37, control module 38, screw mandrel 39, rocking handle 310,
Described sensing element 32 is bolted on the bottom of fixing seat 34；Described left range sensor 33
It is bolted on the left side of fixing seat 34；Described fixing seat 34 is by leading screw 36 and motor 37 phase
Connect；Described right range sensor 35 is bolted on the right side of fixing seat 34；Described motor
37 tops being arranged on fixing cylinder 31；Described control module 38 is arranged on the right side of motor 37；Described
Screw mandrel 39 is connected with fixing cylinder 31 by screw thread, and end is connected with measuring caliber 2；Described shakes
Handle 310 is welded on the right part of screw mandrel 39.
Described motor 37 specifically uses servomotor, has dynamo-electric constant little, and the linearity is high, and transmission is accurate
Feature.
Described screw mandrel 39 specifically uses the alloy leading screw of a diameter of 1 centimetre to 2.5 centimetres, has transmission and puts down
Steady and corrosion resistant feature.
Described sensing element 32 specifically uses thermocouple, has certainty of measurement high, and response time is fast, machinery
The pressure performance that intensity is high and good.
Described fixing cylinder 31 specifically uses the corrosion resistant plate of 2 millimeters to 3 millimeters, has good corrosion-resistant
Performance and the feature of length in service life.
Tangible display screen is inlayed, it is simple to the temperature measured by detection, structure in real time outside described gauge outfit 1
Simply, it is simple to safeguard.
Described protective pad 4 specifically uses natural rubber material pad, has a good wearability, elastic and relatively
The high intensity that fractures, plays certain protective effect to inner member.
Described control module 38 specifically uses single-chip microcomputer assembly structure, is conducive to improving high intelligent control degree,
Reduce maintenance cost, improve work efficiency.
Operation principle
Patent of the present invention, by left range sensor 33 and the setting of right range sensor 35, detects biography in real time
The signal of detection, apart from the distance of both sides, is fed back to control module 38 by sensing unit 32, and control module 38 is controlled
The motion of motor 37 processed, when the distance of detection is equal, motor 37 stop motion.By rocking bar 310
Control to measure the outreach of caliber 2, it is achieved measure the versatility of caliber 2.
Utilize the technical scheme described in patent of the present invention, or those skilled in the art is in patented technology of the present invention
Under the inspiration of scheme, design similar technical scheme, and reach above-mentioned technique effect, all fall into this
The protection domain of patent of invention.
Claims (8)
1. an opening and closing circular flow meter checking device, it is characterized in that, this opening and closing circular flow meter checking device, including gauge outfit (1), measure caliber (2), governor motion (3), protective pad (4), described gauge outfit (1) is arranged on the left side measuring caliber (2) by bolt；The inside of governor motion (3) it is enclosed within described measurement caliber (2)；Described protective pad (4) is sleeved on governor motion (3) around；Described governor motion (3) includes fixing cylinder (31), sensing element (32), left range sensor (33), fixing seat (34), right range sensor (35), leading screw (36), motor (37), control module (38), screw mandrel (39); rocking handle (310), described sensing element (32) is bolted on the bottom of fixing seat (34)；Described left range sensor (33) is bolted on the left side of fixing seat (34)；Described fixing seat (34) is connected with motor (37) by leading screw (36)；Described right range sensor (35) is bolted on the right side of fixing seat (34)；Described motor (37) is arranged on the top of fixing cylinder (31)；Described control module (38) is arranged on the right side of motor (37)；Described screw mandrel (39) is connected with fixing cylinder (31) by screw thread, and end is connected with measuring caliber (2)；Described rocking handle (310) is welded on the right part of screw mandrel (39).
2. opening and closing circular flow meter checking device as claimed in claim 1, it is characterised in that described motor (37) specifically uses servomotor.
3. opening and closing circular flow meter checking device as claimed in claim 1, it is characterised in that described screw mandrel (39) specifically uses the alloy leading screw of a diameter of 1 centimetre to 2.5 centimetres.
4. opening and closing circular flow meter checking device as claimed in claim 1, it is characterised in that described sensing element (32) specifically uses thermocouple.
5. opening and closing circular flow meter checking device as claimed in claim 1, it is characterised in that described fixing cylinder (31) specifically uses the corrosion resistant plate of 2 millimeters to 3 millimeters.
6. opening and closing circular flow meter checking device as claimed in claim 1, it is characterised in that tangible display screen is inlayed in described gauge outfit (1) outside.
7. opening and closing circular flow meter checking device as claimed in claim 1, it is characterised in that described protective pad (4) specifically uses natural rubber material pad.
8. opening and closing circular flow meter checking device as claimed in claim 1, it is characterised in that described control module (38) specifically uses single-chip microcomputer assembly structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610280450.XA CN105928593A (en) | 2016-04-28 | 2016-04-28 | Open and closed circulation flowmeter calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610280450.XA CN105928593A (en) | 2016-04-28 | 2016-04-28 | Open and closed circulation flowmeter calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105928593A true CN105928593A (en) | 2016-09-07 |
Family
ID=56837851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610280450.XA Pending CN105928593A (en) | 2016-04-28 | 2016-04-28 | Open and closed circulation flowmeter calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105928593A (en) |
-
2016
- 2016-04-28 CN CN201610280450.XA patent/CN105928593A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160907 |