CN103512587A - Gas circuit detection filter and gas circuit detection filtering method - Google Patents
Gas circuit detection filter and gas circuit detection filtering method Download PDFInfo
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- CN103512587A CN103512587A CN201310415612.2A CN201310415612A CN103512587A CN 103512587 A CN103512587 A CN 103512587A CN 201310415612 A CN201310415612 A CN 201310415612A CN 103512587 A CN103512587 A CN 103512587A
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- inlet pipe
- circuit detection
- gas circuit
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- Measuring Fluid Pressure (AREA)
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Abstract
The invention discloses a gas circuit detection filter. A gas input pipe, a gas containing cavity and a gas output pipe are sequentially communicated, a screw composed of a threaded rod and a nut is arranged inside the gas containing cavity, the threaded rod is inserted into the gas input pipe and in threaded connection with the gas input pipe, and a slope is arranged at the top end of the threaded rod, wherein a gas channel is formed by the slope and the gas input pipe. The invention further discloses a gas circuit detection filtering method. According to the gas circuit detection filter and the gas circuit detection filtering method, peaks of gas source signal fluctuations are filtered and fluctuation amplitudes are reduced through the dual functions of gas circuit damping and gas containing filtering, gas source signals are stably output, meter reading is relatively stable during gas circuit detection, and the gas circuit detection filter and the gas circuit detection filtering method can be widely applied to measuring the pressure, the flow speed and the flow of flue smoke in the fields such as the metallurgy, the chemical industry, the building materials and the electric power.
Description
Technical field
The present invention relates to a kind of gas circuit detection filter device and gas circuit detection filter method.
Background technology
In the fields such as metallurgy, chemical industry, building materials, electric power, usually to measure the parameter such as pressure, flow velocity, flow of gas circuit, generally, because gas circuit airflow fluctuation is very large, cause measurement instrument demonstration meeting very unstable, digital instrument demonstration numeral is beated, and pointer meters Hui Yige equilibrium position swings back and forth, at some, fluctuate little in the situation that, can also estimate to read to obtain a mean value; When gas circuit airflow fluctuation is large, digital instrument or pointer meters just at all cannot readings, cause measuring gas circuit parameter.For digital instrument, can take software filtering to improve output stationarity, but pointer meters is addressed this problem with regard to bad.
Summary of the invention
The object of this invention is to provide a kind of gas circuit detection filter device, the spike that it can filtering source of the gas signal fluctuation and cut down fluctuation amplitude, makes the output of source of the gas signal steadily, and when gas circuit detects, meter reading is relatively stable.The present invention also provides a kind of gas circuit detection filter method.
Above-mentioned purpose is achieved through the following technical solutions:
A kind of gas circuit detection filter device, gas inlet pipe, air-capacitor chamber, gas output tube are communicated with successively, described air-capacitor is provided with the screw being comprised of screw rod and nut in chamber, described screw rod inserts gas inlet pipe and is threaded with gas inlet pipe, and the top of described screw rod is provided with for the inclined-plane with gas inlet pipe formation gas passage.
Preferably, described air-capacitor chamber is cylindrical, and its diameter is 2～4 times of gas inlet pipe diameter, and length is less than the length of screw.
Further preferred, the angle of described inclined-plane and screw rod is 15～40 degree.
Preferably, the top of described nut is provided with groove, and the cross sectional shape of described groove is regular polygon.
Preferably, described gas circuit detection filter device also comprises that pipeline connects mouth, and described pipeline connects mouth and is set in respectively on gas inlet pipe and gas output tube.
The present invention further provides a kind of gas circuit detection filter method, comprise the following steps:
1) gas to be measured is passed through to the gas inlet pipe damping adjusting of an adjustable gas channels size;
2) gas to be measured after damping adjusting, by after gas inlet pipe, enters a large volume air-capacitor chamber and carries out filtering, and then enter gas circuit measuring instrument by gas output tube.
Preferably, the gas channels size of described gas inlet pipe regulates by being located at the screw of gas inlet pipe one end, described screw is comprised of screw rod and nut, described screw rod inserts gas inlet pipe and is threaded with gas inlet pipe, and the top of described screw rod is provided with for the inclined-plane with gas inlet pipe formation gas passage.
In the present invention, screw can increase the resistance of the air-flow of fluctuation, when air-flow is behind the air-capacitor chamber of excessive bulk, and can the stable parameter signal of output smoothing.The present invention, by spike and the reduction fluctuation amplitude of the gentle capacitor filter double action of gas circuit damping filtering source of the gas signal fluctuation, makes the output of source of the gas signal steadily, and when gas circuit detects, meter reading is relatively stable.Length by adjusting screw(rod) in gas inlet pipe, the damping of the just channel sized between adjustable inclined-plane and gas inlet pipe, and then adjusting gas circuit, smoothness and the response time of change output signal.Groove is established on the top of nut, is from gas output tube, to insert screw is regulated with spanner for convenient.Pipeline connects mouth and is convenient to the present invention and connects gas circuit and detecting instrument.The features such as the present invention also has simple in structure, easy to use, can be widely used in flue gas pressure, the flow velocity in the fields such as metallurgy, chemical industry, building materials, electric power, the measurement of flow.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of nut in the present invention.
Fig. 3 is use view of the present invention.
Fig. 4 is fundamental diagram of the present invention.
Fig. 5 is the forward and backward air pressure wavelength change curve of filtering of the present invention.
In figure: 1-gas inlet pipe, 2-air-capacitor chamber, 3-gas output tube, 4-screw (41-screw rod ,42-inclined-plane, 43-nut, 44-groove), 5-pipeline connects mouth, 6-pitot tube, 7-measurement instrument.
Specific embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in detail.
Embodiment:
A detection filter method, comprises the following steps:
1) gas to be measured is passed through to the gas inlet pipe damping adjusting of an adjustable gas channels size;
2) gas to be measured after damping adjusting, by after gas inlet pipe, enters a large volume air-capacitor chamber and carries out filtering, and then enter gas circuit measuring instrument by gas output tube.
The gas circuit pore size of described gas inlet pipe regulates by being located at the screw of gas inlet pipe one end, described screw is comprised of screw rod and nut, described screw rod inserts gas inlet pipe and is threaded with gas inlet pipe, and the top of described screw rod is provided with for the inclined-plane with gas inlet pipe formation gas passage.
In the method, equipment used as shown in Figure 1 and Figure 2, a kind of gas circuit detection filter device, gas inlet pipe 1, air-capacitor chamber 2, gas output tube 3 are communicated with successively, in described air-capacitor chamber 2, be provided with the screw 4 being formed by screw rod 41 and nut 43, described screw rod 41 inserts gas inlet pipes 1 and is also threaded with gas inlet pipe 1, described screw rod 41 top be provided with one with screw rod spend for 41 one-tenths 30 angles for the inclined-plane 42 with gas inlet pipe formation gas passage.Described air-capacitor chamber 2 is cylindrical, and its diameter is 3 times of gas inlet pipe 1 diameter, and length is slightly less than the length of screw 4, avoids screw 4 to come off from gas inlet pipe 1.Described nut 43 top is provided with groove 44, and the cross sectional shape of described groove 44 is regular hexagon.On described gas inlet pipe 1 and gas output tube 3, also sheathed pipeline connects mouth 5.
During use, first the M6 hex wrench matching with regular hexagon groove 44 is inserted from gas output tube 3, the distance of set screw 4, make between inclined-plane 42 and gas inlet pipe 1 to form the passage can air feed stream passing through, then press shown in Fig. 3, by the gas inlet pipe in the present invention 1, gas output tube 3 connects mouth 5 and pitot tube 6 by pipeline respectively, measurement instrument 7 connects, whether the demonstration numeral of observing measurement instrument is stable, if unstable, take off the sheathed pipeline of gas output tube 3 and connect the flexible pipe on mouth 5, hex wrench is inserted to output and connect mouth, with hex wrench, regulate the size in space, the length of screw rod 41 in gas inlet pipe 1 is shorter, space is larger, otherwise less, can regulate according to pressure or the flow velocity of measuring gas circuit, if pressure or flow velocity are large, reduce space, increase damping, if pressure or flow velocity are little, increase space, reduce damping.And then the system that connects tests, to observe and show numeral, debugging repeatedly, until show that numeral only has on a small quantity and beats, can read accurate numeral and be advisable.
As shown in Figure 4, the filtered air pressure wavelength variations of the present invention is as shown in Fig. 5 for principle of work of the present invention.
Claims (7)
1. gas circuit detection filter device, it is characterized in that: gas inlet pipe (1), air-capacitor chamber (2), gas output tube (3) are communicated with successively, in described air-capacitor chamber (2), be provided with the screw (4) being formed by screw rod (41) and nut (43), described screw rod (41) inserts gas inlet pipe (1) and is threaded with gas inlet pipe (1), and the top of described screw rod (41) is provided with for the inclined-plane (42) with gas inlet pipe (1) formation gas passage.
2. gas circuit detection filter device according to claim 1, is characterized in that: described air-capacitor chamber (2) is for cylindrical, and its diameter is 2～4 times of gas inlet pipe (1) diameter, and length is less than the length of screw (4).
3. gas circuit detection filter device according to claim 1, is characterized in that: described inclined-plane (42) are 15～40 degree with the angle of screw rod (41).
4. the gas circuit detection filter device described in any one according to claim 1～3, is characterized in that: the top of described nut (43) is provided with groove (44), and the cross sectional shape of described groove (44) is regular polygon.
5. the gas circuit detection filter device described in any one according to claim 1～3, is characterized in that: also comprise that pipeline connects mouth (5), described pipeline connects mouth (5) and is set in respectively on gas inlet pipe (1) and gas output tube (3).
6. a gas circuit detection filter method, is characterized in that comprising the following steps:
1) gas to be measured is passed through to the gas inlet pipe damping adjusting of an adjustable gas channels size;
2) gas to be measured after damping adjusting, by after gas inlet pipe, enters a large volume air-capacitor chamber and carries out filtering, and then enter gas circuit measuring instrument by gas output tube.
7. gas circuit detection filter method according to claim 6, it is characterized in that: the gas channels size of described gas inlet pipe regulates by being located at the screw of gas inlet pipe one end, described screw is comprised of screw rod and nut, described screw rod inserts gas inlet pipe and is threaded with gas inlet pipe, and the top of described screw rod is provided with for the inclined-plane with gas inlet pipe formation gas passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310415612.2A CN103512587B (en) | 2013-09-12 | 2013-09-12 | Gas circuit Fault detection filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310415612.2A CN103512587B (en) | 2013-09-12 | 2013-09-12 | Gas circuit Fault detection filter |
Publications (2)
| Publication Number | Publication Date |
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| CN103512587A true CN103512587A (en) | 2014-01-15 |
| CN103512587B CN103512587B (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310415612.2A Expired - Fee Related CN103512587B (en) | 2013-09-12 | 2013-09-12 | Gas circuit Fault detection filter |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2436668Y (en) * | 2000-09-12 | 2001-06-27 | 北京绿创环保设备有限公司 | Mechanical gas compensator for gasoline engine |
| CN1417579A (en) * | 2001-11-09 | 2003-05-14 | 中国科学院大连化学物理研究所 | Resistance regulator |
| CN101858832A (en) * | 2009-04-13 | 2010-10-13 | 武汉市碧海云天环保科技有限责任公司 | Intelligent constant-flow individual air dust sampler and constant-flow control method |
| CN101943639A (en) * | 2009-07-10 | 2011-01-12 | 苏州工业园区广福汽保机电设备有限公司 | Method for adjusting gas flow in analysis of automotive tail gas |
| US20120090320A1 (en) * | 2010-10-14 | 2012-04-19 | Ford Global Technologies, Llc | Turbocharged Combustion System |
| CN203443593U (en) * | 2013-09-12 | 2014-02-19 | 武汉分析仪器厂 | Gas path detection filter |
-
2013
- 2013-09-12 CN CN201310415612.2A patent/CN103512587B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2436668Y (en) * | 2000-09-12 | 2001-06-27 | 北京绿创环保设备有限公司 | Mechanical gas compensator for gasoline engine |
| CN1417579A (en) * | 2001-11-09 | 2003-05-14 | 中国科学院大连化学物理研究所 | Resistance regulator |
| CN101858832A (en) * | 2009-04-13 | 2010-10-13 | 武汉市碧海云天环保科技有限责任公司 | Intelligent constant-flow individual air dust sampler and constant-flow control method |
| CN101943639A (en) * | 2009-07-10 | 2011-01-12 | 苏州工业园区广福汽保机电设备有限公司 | Method for adjusting gas flow in analysis of automotive tail gas |
| US20120090320A1 (en) * | 2010-10-14 | 2012-04-19 | Ford Global Technologies, Llc | Turbocharged Combustion System |
| CN203443593U (en) * | 2013-09-12 | 2014-02-19 | 武汉分析仪器厂 | Gas path detection filter |
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| CN103512587B (en) | 2015-12-23 |
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Effective date of registration: 20170425 Address after: 430010 Hubei city of Wuhan province Huaqiao Street Jiang'an District River Road No. 26 Patentee after: WUHAN INDUSTRIAL CONTROL INSTRUMENT Co.,Ltd. Address before: 430010 Hankou construction road, Hubei, No. 975, No. Patentee before: WUHAN ANALYTIC INSTRUMENT FACTORY |
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