CN105157778A - Precision meter for natural gas - Google Patents
Precision meter for natural gas Download PDFInfo
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- CN105157778A CN105157778A CN201510616105.4A CN201510616105A CN105157778A CN 105157778 A CN105157778 A CN 105157778A CN 201510616105 A CN201510616105 A CN 201510616105A CN 105157778 A CN105157778 A CN 105157778A
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- resistance layer
- precision meter
- code wheel
- metering
- rock gas
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Abstract
The invention discloses a precision meter, particularly discloses a precision meter for natural gas, and belongs to the technical field of design and manufacture of gas flow metering instruments and meters. By means of the precision meter for the natural gas, remote metering can be conducted on the amount of the natural gas used by a client, and error evaluation can be conducted on mechanical metering. The precision meter comprises a mounting rack and at least four counting code wheels which can be mounted on the mounting rack by rotating around a same mounting shaft in a relatively independent mode according to the design sequence, all the counting code wheels at least start from the units digit and correspond to all metering digits of the precision meter according to decimalism sorting, the precision meter further comprises continuous angular displacement acquisition devices, and rotation angles of all the counting code wheels are measured and metered through the continuous angular displacement acquisition devices.
Description
Technical field
The present invention relates to a kind of precision meter, especially relate to a kind of precision meter for rock gas, belong to gas flow meter instruments and meters design and manufacturing technology field.
Background technology
Existing natural gas flowmeter, namely gas meter all only has mechanical metering mechanism usually, namely by one group of counting code wheel, under the control of associated mechanical structure, measures by cubic millimeter, cubic centimetre, cubic decimeter, cubic meter and the decimal system afterwards.The characteristic intrinsic due to physical construction self and shortcoming, cannot carry out long-distance metering reading and revise metering.That is, when natural gas companies needs to determine the natural gas quantity that client uses in certain time period, reading confirmation must be carried out by the person of checking meter to the on-site gauging table of client, simultaneously, if when the inaccurate situation of metering appears in gauging table, correction metering also cannot be carried out.
Summary of the invention
Technical matters to be solved by this invention is: provide a kind of amount of natural gas that may use client to carry out long-distance metering, and carries out the precision meter for rock gas of judgment of error to machinery metering.
For solving the problems of the technologies described above adopted technical scheme be: a kind of precision meter for rock gas, comprise erecting frame and at least 4 counting code wheels, described individual count code wheel around same installation shaft by design sequence can relatively independent rotation be arranged on described erecting frame, described individual count code wheel is at least from units, by each metering numerical digit of the corresponding described precision meter of decimal system sequence difference, described precision meter also comprises continuous angle displacement acquisition device, the rotational angle of the counting code wheel described in each measures metering by described angular displacement harvester.
The invention has the beneficial effects as follows: by adding a set of continuous angle displacement acquisition device on the gas measurement kit of described physical construction, and make the rotational angle of the counting code wheel described in each measure metering by described continuous angle displacement acquisition device.Like this, as long as the signal output part of described continuous angle displacement acquisition device and Central Control Room or measurement unit to be needed local connection, the amount of natural gas that can use client carries out long-distance metering, simultaneously, because continuous angle displacement acquisition device is by adopting the anglec of rotation of individual count code wheel to realize metering, so judgment of error can also be carried out to machinery metering.
Be further, described continuous angle displacement acquisition device comprises induction system and is arranged in the annular protrusion in corresponding counts code wheel radial web along week, the axial madial wall of described annular protrusion is covered with without resistance layer, the axial lateral wall of described annular protrusion is covered with resistance layer; The angular displacement counting code wheel described in each is by described coordinating to measure and measure without resistance layer and described resistance layer and described induction system.
The optimal way of such scheme is, described resistance layer is carbon coat, and described is copper coat without resistance layer.
Be further, described induction system comprises circuit board and arranges micrometer probe on the board, described induction system transmits resistance on corresponding counts code wheel on described circuit board by described micrometer probe with described to coordinate without resistance layer and described resistance layer, and is measured the angular displacement of metering corresponding counts code wheel by this circuit board.
The optimal way of such scheme is, described micrometer probe comprises the group number multiple probe groups suitable with described counting code wheel number, probe groups described in each group includes the two pieces spring pressuring plate connecting support column and be arranged on this connection support column, described micrometer probe is crimped on described without on resistance layer and described resistance layer respectively by the spring pressuring plate described in two pieces, and the resistance on corresponding counts code wheel is passed on described circuit board by described connection support column.
The optimal way of such scheme is, the described connection support column that the control pin group described in each group comprises also is two, the connection support column that what the spring pressuring plate described in each part was corresponding be arranged in described in.
Further, described in each part, the free end of spring pressuring plate is provided with arc compressing piece, and described spring pressuring plate is by described arc compressing piece and corresponding connecing without resistance layer or resistance lamination.
Further, described spring pressuring plate and described arc compressing piece are the phosphor bronze sheet of thickness between 0.4 millimeter ~ 0.6 millimeter.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention for the precision meter of rock gas;
Fig. 2 is the A-A cut-open view of Fig. 1.
Be labeled as in figure: erecting frame 1, counting code wheel 2, installation shaft 3, continuous angle displacement acquisition device 4, induction system 5, annular protrusion 6, without resistance layer 7, resistance layer 8, circuit board 9, micrometer probe 10, connection support column 11, spring pressuring plate 12, arc compressing piece 13.
Embodiment
Be that a kind of amount of natural gas that may use client provided by the invention carries out long-distance metering as shown in Figure 1 and Figure 2, and the precision meter for rock gas of judgment of error is carried out to machinery metering.Described precision meter comprises erecting frame 1 and at least 4 counting code wheels 2, described individual count code wheel 2 around same installation shaft 3 by design sequence can relatively independent rotation be arranged on described erecting frame 1, described individual count code wheel 2 is at least from units, by each metering numerical digit of the corresponding described precision meter of decimal system sequence difference, described precision meter also comprises continuous angle displacement acquisition device 4, and the rotational angle of the counting code wheel 2 described in each measures metering by described continuous angle displacement acquisition device 4.Above by adding a set of continuous angle displacement acquisition device 4 on the gas measurement kit of described physical construction, and the rotational angle of the counting code wheel 2 described in each is made to measure metering by described continuous angle displacement acquisition device 4.Like this, as long as the signal output part of described continuous angle displacement acquisition device 4 and Central Control Room or measurement unit to be needed local connection, the amount of natural gas that can use client carries out long-distance metering, simultaneously, because angular displacement harvester 4 is by adopting the anglec of rotation of individual count code wheel 2 to realize metering, so judgment of error can also be carried out to machinery metering.
In above-mentioned embodiment, in order to simplify the structure of described continuous angle displacement acquisition device 4, convenient making, the Angle Position of installation and corresponding counts code wheel 2 detects, described continuous angle displacement acquisition device 4 comprises induction system 5 and is arranged in the annular protrusion 6 in corresponding counts code wheel 2 radial web along week, the axial madial wall of described annular protrusion 6 is covered with without resistance layer 7, the axial lateral wall of described annular protrusion 6 is covered with resistance layer 8; The angular displacement counting code wheel 2 described in each is by described coordinating to measure and measure without resistance layer 7 and described resistance layer 8 and described induction system 5.Now, preferred described resistance layer 8 is carbon coat, and described is copper coat without resistance layer 7.And the micrometer probe 10 that preferred described induction system 5 comprises circuit board 9 and is arranged on this circuit board 9, described induction system 5 transmits resistance on corresponding counts code wheel 2 on described circuit board 9 by described micrometer probe 10 with described to coordinate without resistance layer 7 and described resistance layer 8, and is measured the angular displacement of metering corresponding counts code wheel 2 by this circuit board 9.Like this, the structure of described circuit board 9 and described erecting frame 1 can be cooperated design, reach the object of the precision meter structure simplified described in the application.As shown in Figure 1 and Figure 2, circuit board 9 can be arranged to the regular template of a block length stripe shape, and on erecting frame 1, reserve corresponding installation site, thus make the structure of described precision meter become very compact.
In order to further improve the measuring accuracy of Angle Position, simplify the structure of described probe, reach the object of described raising angular position measurement degree of accuracy, described micrometer probe 10 comprises the group number multiple probe groups suitable with described counting code wheel 2 number, probe groups described in each group includes the two pieces spring pressuring plate 12 connecting support column 11 and be arranged on this connection support column 11, described micrometer probe 10 is crimped on described without on resistance layer 7 and described resistance layer 8 respectively by the spring pressuring plate 12 described in two pieces, and the resistance on corresponding counts code wheel 2 is passed on described circuit board 9 by described connection support column 11.Now preferred structure is that the described connection support column 11 that the control pin group described in each group comprises also is two, the connection support column 11 be arranged in described in of spring pressuring plate 12 correspondence described in each part; Described in each part, the free end of spring pressuring plate 12 is provided with arc compressing piece 13, and described spring pressuring plate 12 is crimped without resistance layer 7 or resistance layer 8 with corresponding by described arc compressing piece 13.By adopting the cross-elasticity structure of spring pressuring plate 12 and arc compressing piece 13, the guarantee of maximum limit virtue can visit and be connected with the crimping of described annular protrusion 6, meanwhile, being unlikely to again to cause too large friction and excessive wear, so can also increase the service life.Now, preferred described spring pressuring plate 12 and described arc compressing piece 13 are the phosphor bronze sheet of thickness between 0.4 millimeter ~ 0.6 millimeter.
Claims (8)
1. the precision meter for rock gas, comprise erecting frame (1) and at least 4 countings code wheel (2), described individual count code wheel (2) around same installation shaft (3) by design sequence can relatively independent rotation be arranged on described erecting frame (1), described individual count code wheel (2) is at least from units, by each metering numerical digit of the corresponding described precision meter of decimal system sequence difference, it is characterized in that: described precision meter also comprises continuous angle displacement acquisition device (4), the rotational angle of the counting code wheel (2) described in each measures metering by described continuous angle displacement acquisition device (4).
2. the precision meter for rock gas according to claim 1, it is characterized in that: described continuous angle displacement acquisition device (4) comprises induction system (5) and along the annular protrusion (6) be arranged in week in corresponding counts code wheel (2) radial web, the axial madial wall of described annular protrusion (6) is covered with without resistance layer (7), the axial lateral wall of described annular protrusion (6) is covered with resistance layer (8); The angular displacement counting code wheel (2) described in each is by described coordinating to measure and measure without resistance layer (7) and described resistance layer (8) and described induction system (5).
3. the precision meter for rock gas according to claim 2, is characterized in that: described resistance layer (8) is carbon coat, and described is copper coat without resistance layer (7).
4. the precision meter for rock gas according to Claims 2 or 3, it is characterized in that: described induction system (5) comprises circuit board (9) and is arranged in the micrometer probe (10) on this circuit board (9), described induction system (5) transmits resistance on corresponding counts code wheel (2) on described circuit board (9) by described micrometer probe (10) with described to coordinate without resistance layer (7) and described resistance layer (8), and the angular displacement of metering corresponding counts code wheel (2) is measured by this circuit board (9).
5. the precision meter for rock gas according to claim 4, it is characterized in that: described micrometer probe (10) comprises the group number multiple probe groups suitable with described counting code wheel (2) number, probe groups described in each group includes the two pieces spring pressuring plate (12) connecting support column (11) and be arranged on this connection support column (11), described micrometer probe (10) is crimped on described without on resistance layer (7) and described resistance layer (8) respectively by the spring pressuring plate (12) described in two pieces, and the resistance on corresponding counts code wheel (2) is passed on described circuit board (9) by described connection support column (11).
6. the precision meter for rock gas according to claim 5, it is characterized in that: the described connection support column (11) that the control pin group described in each group comprises also is two, the connection support column (11) be arranged in described in that the spring pressuring plate (12) described in each part is corresponding.
7. the precision meter for rock gas according to claim 5, it is characterized in that: described in each part, the free end of spring pressuring plate (12) is provided with arc compressing piece (13), described spring pressuring plate (12) is crimped without resistance layer (7) or resistance layer (8) with corresponding by described arc compressing piece (13).
8. the precision meter for rock gas according to claim 7, is characterized in that: described spring pressuring plate (12) and described arc compressing piece (13) are the phosphor bronze sheet of thickness between 0.4 millimeter ~ 0.6 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616105.4A CN105157778B (en) | 2015-09-24 | 2015-09-24 | Precision meter for natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616105.4A CN105157778B (en) | 2015-09-24 | 2015-09-24 | Precision meter for natural gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105157778A true CN105157778A (en) | 2015-12-16 |
| CN105157778B CN105157778B (en) | 2018-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510616105.4A Expired - Fee Related CN105157778B (en) | 2015-09-24 | 2015-09-24 | Precision meter for natural gas |
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| Country | Link |
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| CN (1) | CN105157778B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3501874A (en) * | 1967-11-22 | 1970-03-24 | Pre Cast Concrete Products Ltd | Self-cleaning ledge construction for meter boxes and the like |
| CN2494538Y (en) * | 2001-08-07 | 2002-06-05 | 孙克愍 | Counter and metering device with counter |
| CN202189392U (en) * | 2011-07-26 | 2012-04-11 | 杭州柯林电力设备有限公司 | Resistance sensor read device of electromagnetic counter |
| CN103776476A (en) * | 2014-01-22 | 2014-05-07 | 梁永富 | Data collection device of intelligent metering device |
-
2015
- 2015-09-24 CN CN201510616105.4A patent/CN105157778B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3501874A (en) * | 1967-11-22 | 1970-03-24 | Pre Cast Concrete Products Ltd | Self-cleaning ledge construction for meter boxes and the like |
| CN2494538Y (en) * | 2001-08-07 | 2002-06-05 | 孙克愍 | Counter and metering device with counter |
| CN202189392U (en) * | 2011-07-26 | 2012-04-11 | 杭州柯林电力设备有限公司 | Resistance sensor read device of electromagnetic counter |
| CN103776476A (en) * | 2014-01-22 | 2014-05-07 | 梁永富 | Data collection device of intelligent metering device |
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| Publication number | Publication date |
|---|---|
| CN105157778B (en) | 2018-12-11 |
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Granted publication date: 20181211 Termination date: 20190924 |