CN208672064U - A kind of current stabilization metering mould group for hot type gas meter, flow meter - Google Patents
A kind of current stabilization metering mould group for hot type gas meter, flow meter Download PDFInfo
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- CN208672064U CN208672064U CN201821529015.7U CN201821529015U CN208672064U CN 208672064 U CN208672064 U CN 208672064U CN 201821529015 U CN201821529015 U CN 201821529015U CN 208672064 U CN208672064 U CN 208672064U
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Abstract
The utility model discloses a kind of current stabilizations for hot type gas meter, flow meter to measure mould group, including shell, the metering device for shunting the flow dividing structure of gas flow in shell and for measuring gas flow in shell is equipped in shell, in metering device is covered on by flow dividing structure；The current-stabilizing structure for adjusting steady air current is additionally provided in shell, current-stabilizing structure includes several strip block pieces, strip block piece and housing sidewall are arranged at 90 degree, and strip block piece horizontal plane of circle where diameter of the housing is uniformly arranged, and air inlet notch is formed between adjacent two strip block pieces；Multilayer, the interlaced setting of multilayer strip block piece is arranged along the length direction of shell in strip block piece.The utility model uses several interlaced settings of strip block piece, strip member blocks air-flow, reduces stream pressure, to make air-flow velocity slow down and form stable air-flow, the metering environment of metering mould group is improved, and then improves the metering precision of metering mould group.
Description
Technical field
The utility model relates to gas meter, flow meter, specially a kind of current stabilization for hot type gas meter, flow meter measures mould group.
Background technique
Detecting element in hot type gas meter, flow meter generally using metering mould group as gas flow, passes through two temperature sensing
The temperature difference of device carrys out detection flows, and in zero delivery, temperature field is in normal distribution, upper and lower two temperature centered on low-grade fever device
Temperature detected by sensor is equal, and when there is gas to flow through, the center in temperature field is downstream deviated, the temperature sensing of upstream
The temperature that device detects is lower, and the detection that the temperature sensor in downstream detects is got higher, and thereby produces temperature difference, temperature difference
Size and flow are at certain corresponding relationship.It is had with family common diaphragm gas meter, rotz flowmeter, turbine flowmeter etc.
The gas meter, flow meter of mechanical moving element is compared, and hot type gas meter, flow meter has many advantages, such as that small in size, range is big, detection is accurate.
The detection environment of the metering mould group of existing hot type gas meter, flow meter needs the flow velocity of air-flow to stablize in parallel, can just make to measure
The metering precision of mould group is high.It is usually relatively simple in the structure of existing metering mould group, if gas flow rate is too fast, it is easy to produce disorderly
Stream is to influence the detection precision of metering mould group.
Utility model content
The purpose of this utility model is to provide for a kind of current stabilization metering mould group for hot type gas meter, flow meter, can make air-flow
Flow velocity is steady, improves the metering precision of metering mould group.
In order to achieve the above-mentioned object of the invention, the utility model uses following technical scheme: one kind being used for hot type gas meter, flow meter
Current stabilization measure mould group, the shell including offering gas outlet and air inlet is equipped with for shunting gas in shell in the shell
The flow dividing structure of body flow and metering device for measuring gas flow in shell, the flow dividing structure cover metering device
Inside；The current-stabilizing structure for adjusting steady air current is additionally provided in the shell, the current-stabilizing structure includes several strips
Block piece, the strip block piece and housing sidewall are arranged at 90 degree, the level of strip block piece circle where diameter of the housing
Face is uniformly arranged, and air inlet notch is formed between adjacent two strip block pieces；Length of the strip block piece along shell
Multilayer, the interlaced setting of multilayer strip block piece is arranged in direction.
Preferably, the strip block piece includes two pieces of spaced partitions of face, and two pieces of partition lower ends connect
It is connected to connecting plate, two connecting plates are obliquely installed and connect；Form recess between two pieces of partitions, the recess is towards shell
Air inlet direction；The notch width is greater than the width of the air inlet notch.
Preferably, filter structure is equipped between the current-stabilizing structure and air inlet, the filter structure is equipped with several
The strainer of the different stomata in aperture.
Preferably, the flow dividing structure, which is intersected by lateral partitions with longitudinal baffle, is spliced, lateral partitions and vertical
Enclosure interior is separated into several airflow channels to partition.
Preferably, the airflow channel is parallel to the length direction of shell.
Preferably, the lateral partitions are parallel with the tangential direction of peripheral wall at metering device, lateral partitions and vertical
It is mutually perpendicular to partition.
Preferably, the shell be round tubular structure, the bore of housing central section is identical everywhere, the bore of housing central section with
The bore of gas outlet is identical, and the bore of the air inlet is greater than gas outlet bore, and the bore of the air inlet is gradually reduced transition
To identical as the bore of housing central section.
Preferably, more are equipped at the hull outside bore variation for guaranteeing the ribs of air inlet intensity.
Compared with prior art, mould group is measured using the current stabilization for hot type gas meter, flow meter of above-mentioned technical proposal, had
It is following the utility model has the advantages that
One, current-stabilizing structure uses several interlaced settings of strip block piece, and strip member blocks air-flow makes air-flow
Pressure reduces, to make air-flow velocity slow down and form stable air-flow, improves the metering environment of metering mould group, and then improve
The accuracy of measuring of metering mould group.
Two, using flow dividing structure, flow dividing structure makes in horizontal shell that there are certain pressure losses, so that gas enters horizontal shell
It is shunted after body, to realize required split ratio, and the air-flow after shunting forms little airflow, and the flowing of little airflow is more
Steadily, the accuracy of measuring is improved.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model.
Fig. 2 is enlarged structure schematic diagram at A in Fig. 1.
Fig. 3 is the structural schematic diagram of strip block piece in the present embodiment.
Fig. 4 is the structural schematic diagram of flow dividing structure in the present embodiment.
Fig. 5 is the structural schematic diagram of filter structure in the present embodiment.
Appended drawing reference: 1, shell；2, ribs；3, gas outlet；4, air inlet；5, metering device；6, flow dividing structure；7, steady
Flow structure；8, strip block piece；9, air inlet notch；10, partition；11, connecting plate；12, recess；13, filter structure；14, stomata；
15, lateral partitions；16, longitudinal baffle；17, airflow channel.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
As shown in Figure 1, a kind of current stabilization for hot type gas meter, flow meter measures mould group, including offer gas outlet 3 and air inlet 4
Shell 1.Shell 1 is rounded cylindrical structure, and the bore at 1 middle part of shell is identical everywhere, the bore at 1 middle part of shell and gas outlet 3
Bore it is identical, the bore of air inlet 4 is greater than 3 bore of gas outlet, the bore of air inlet 4 be gradually reduced be transitioned into in shell 1
The bore in portion is identical.So that air-flow can be good at entering from the air inlet 4 of shell 1.Structure in order to guarantee air inlet 4 is strong
Degree is equipped with more for guaranteeing the ribs 2 of 4 structural strength of air inlet at 1 air inlet of shell, 4 outside bore variation.In shell
The metering device 5 for measuring the gas flow values in shell 1 is equipped in the side wall of body 1.
As shown in Figure 1 to Figure 3, the current-stabilizing structure 7 for adjusting steady air current is additionally provided in shell 1, current-stabilizing structure 7 wraps
Several strip block pieces 8 are included, strip block piece 8 includes the spaced partition 10 of two pieces of faces, and two pieces of 10 lower ends of partition are equal
It is connected with connecting plate 11, two connecting plates 11 are obliquely installed and connect；Recess 12 is formed between two pieces of partitions 10, recess 12 is towards shell
4 direction of air inlet of body 1.Strip block piece 8 and 1 side wall of shell are arranged at 90 degree, and strip block piece 8 is where 1 diameter of shell
Round horizontal plane is uniformly arranged, and air inlet notch 9 is formed between adjacent two strip block pieces 8；Strip block piece 8 is along shell 1
Multilayer, the interlaced setting of multilayer strip block piece 8 is arranged in length direction.In the present embodiment, in order to promote current-stabilizing structure 7
Blocking of the strip block piece 8 to gas weakens gas flow rate intensity, and the width of setting recess 12 is greater than the width of air inlet notch 9,
And the recess 12 of every layer of strip block piece 8 is towards the air inlet 4 of upper layer strip block piece 8.
As shown in figs. 1 and 4, it is equipped with the flow dividing structure 6 for shunting the intracorporal gas flow of shell in the inside of shell 1, it should
Metering device 5 is covered on interior by flow dividing structure 6.Flow dividing structure 6, which is intersected by lateral partitions 15 with longitudinal baffle 16, to be spliced, horizontal
Several airflow channels 17 will be separated into inside shell 1 when air-flow passes through flow dividing structure 6 to partition 15 and longitudinal baffle 16 to be divided
Several little airflows are cut into, little airflow flows through from airflow channel 17 and flow through metering device 5, and little airflow is more stable to flow through metering
Device 5 improves the metering precision of metering device 5.In the present embodiment, airflow channel 17 is parallel to the length direction of shell 1,
Lateral partitions 15 are parallel with the tangential direction of peripheral wall at metering device 5, and lateral partitions 15 are mutually perpendicular to longitudinal baffle 16, protect
Card air-flow more stable in parallel can pass through from airflow channel 17.
As shown in Figure 1 and Figure 5, it is equipped with filter structure 13 in 7 two sides of current-stabilizing structure, filter structure 13 is strainer, strainer
The different stomata 14 in several apertures is equipped with to pass through convenient for gas.The shape of stomata 14 on strainer is not limited to the circle in figure
Shape can be rectangular, polygon or other irregular shapes.Strainer can filter the impurity in gas, flow through current stabilization
The gas of structure 7, flow dividing structure 6 and metering device 5 is cleaner, ensure that the permanent cleaning on 5 surface of metering device, improves meter
Precision is measured, the service life of the utility model is extended.
Working principle: gas is entered from the air inlet 4 of shell 1, and by the filtering of filter structure 13, when filtering, gas
The impurity of carrying is obstructed on strainer by filter structure 13, and the gas after filter structure 13 passes through the resistance of strip block piece 8
Gear and collision, to weaken gas flow rate pressure, the gas flow rate made becomes parallel and stablizes, and then passes through flow dividing structure again
6 shunting, to realize required gas distribution ratio, the gas for forming split ratio is flowed through from 5 surface of metering device, in terms of reaching
Amount device 5 accurately measures numerical value.
The above makes preferred embodiments of the present invention, does not depart from for those of ordinary skill in the art
Under the premise of the utility model principle, several variations and modifications can also be made, these also should be regarded as the protection of the utility model
Range.
Claims (8)
1. a kind of current stabilization for hot type gas meter, flow meter measures mould group, it is characterised in that: including offering gas outlet (3) and air inlet
(4) shell (1), the shell (1) is interior to be equipped with by shunting the flow dividing structure (6) of shell (1) interior gas flow and based on
The metering device (5) of shell (1) interior gas flow is measured, metering device (5) is covered on interior by the flow dividing structure (6)；The shell
The current-stabilizing structure (7) for adjusting steady air current is additionally provided in body (1), the current-stabilizing structure (7) includes several strips gear
Part (8), the strip block piece (8) and shell (1) side wall are arranged at 90 degree, and the strip block piece (8) is along shell (1) diameter
The horizontal plane of place circle is uniformly arranged, and forms air inlet notch (9) between adjacent two strip block pieces (8)；The strip
Multilayer, the interlaced setting of the multilayer strip block piece (8) is arranged along the length direction of shell (1) in shape block piece (8).
2. the current stabilization according to claim 1 for hot type gas meter, flow meter measures mould group, it is characterised in that: the strip gear
Part (8) includes two pieces of spaced partitions of face (10), and two pieces of partitions (10) lower end is respectively connected with connecting plate (11), and two
Connecting plate (11) is obliquely installed and is connected；Recess (12) are formed between two pieces of partitions (10), recess (12) direction
Air inlet (4) direction of shell (1)；Recess (12) width is greater than the width of the air inlet notch (9).
3. the current stabilization according to claim 1 for hot type gas meter, flow meter measures mould group, it is characterised in that: the current-stabilizing structure
(7) filter structure (13) are equipped between air inlet (4), the filter structure (13) is the stomata different equipped with several apertures
(14) strainer.
4. the current stabilization according to claim 1 for hot type gas meter, flow meter measures mould group, it is characterised in that: the flow dividing structure
(6) intersected by lateral partitions (15) with longitudinal baffle (16) and be spliced, the lateral partitions (15) will with longitudinal baffle (16)
Several airflow channels (17) are separated into inside shell (1).
5. the current stabilization according to claim 4 for hot type gas meter, flow meter measures mould group, it is characterised in that: the airflow channel
(17) it is parallel to the length direction of shell (1).
6. the current stabilization according to claim 4 for hot type gas meter, flow meter measures mould group, it is characterised in that: the lateral partitions
(15) parallel with the tangential direction of peripheral wall at metering device (5), the lateral partitions (15) and longitudinal baffle (16) are mutually hung down
Directly.
7. the current stabilization according to claim 1 for hot type gas meter, flow meter measures mould group, it is characterised in that: the shell (1)
For round tubular structure, the bore in the middle part of shell (1) is identical everywhere, bore and the bore phase of gas outlet (3) in the middle part of shell (1)
Together, the bore of the air inlet (4) is greater than gas outlet (3) bore, and the bore of the air inlet (4), which is gradually reduced, to be transitioned into and shell
Bore in the middle part of body (1) is identical.
8. the current stabilization according to claim 1 for hot type gas meter, flow meter measures mould group, it is characterised in that: the shell (1)
More are equipped at external bore variation for guaranteeing the ribs (2) of air inlet (4) intensity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821529015.7U CN208672064U (en) | 2018-09-18 | 2018-09-18 | A kind of current stabilization metering mould group for hot type gas meter, flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821529015.7U CN208672064U (en) | 2018-09-18 | 2018-09-18 | A kind of current stabilization metering mould group for hot type gas meter, flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208672064U true CN208672064U (en) | 2019-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821529015.7U Active CN208672064U (en) | 2018-09-18 | 2018-09-18 | A kind of current stabilization metering mould group for hot type gas meter, flow meter |
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| CN (1) | CN208672064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473250A (en) * | 2022-04-01 | 2022-05-13 | 苏州密尔光子科技有限公司 | Laser cutting equipment and gas path rectifying method thereof |
-
2018
- 2018-09-18 CN CN201821529015.7U patent/CN208672064U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473250A (en) * | 2022-04-01 | 2022-05-13 | 苏州密尔光子科技有限公司 | Laser cutting equipment and gas path rectifying method thereof |
| CN114473250B (en) * | 2022-04-01 | 2022-08-02 | 苏州密尔光子科技有限公司 | Laser cutting equipment and gas path rectifying method thereof |
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