CN102967333B - Micro ultrasonic gas meter - Google Patents
Micro ultrasonic gas meter Download PDFInfo
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- CN102967333B CN102967333B CN201110181969.XA CN201110181969A CN102967333B CN 102967333 B CN102967333 B CN 102967333B CN 201110181969 A CN201110181969 A CN 201110181969A CN 102967333 B CN102967333 B CN 102967333B
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- aluminium flake
- aluminium
- center
- arc gap
- base
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 110
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 27
- 239000000919 ceramic Substances 0.000 claims abstract description 25
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 10
- 229910001297 Zn alloy Inorganic materials 0.000 claims abstract description 8
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000004411 aluminium Substances 0.000 claims description 23
- 238000005266 casting Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000004512 die casting Methods 0.000 claims description 7
- 206010022000 influenza Diseases 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000001195 anabolic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000000981 epithelium Anatomy 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The invention relates to a micro ultrasonic gas meter. The micro ultrasonic gas meter consists of a base, a middle base, an aluminum sound track chip, a piezoelectric ceramic chip or a pressure-sensitive sensor, a housing, a circuit board, a liquid crystal display and a shell, wherein the base, the middle base, the aluminum sound track chip, and the piezoelectric ceramic chip or the pressure-sensitive sensor are arranged sequentially; the housing covers the base, the middle base, the aluminum sound track chip, and the piezoelectric ceramic chip or the pressure-sensitive sensor and is connected with the base in a sealing manner; the circuit board is connected with the piezoelectric ceramic chip or the pressure-sensitive sensor and the liquid crystal display respectively and is arranged on the housing; and the shell is used for sealing the assembled components. The micro ultrasonic gas meter is subjected to die casing by means of zinc alloys or aluminum alloys, the aluminum sound track chip which passes through various air holes and air passages generates alternating air pressure, electric signals are transmitted by the piezoelectric ceramic chip or the pressure-sensitive sensor, and piezoelectric signals are operated by a microprocessor after being amplified and shaped, so that the gas volume data of the gas are acquired.
Description
Technical field
The present invention belongs to instrument field, is specifically related to a kind of micro-ultrasonic gas meter, flow meter.
Background technology
Along with living standards of the people improve constantly, the reinforcement of people's environmental consciousness, the urbanization of China increases the fast development of journey, and country constantly drops into natural gas clean energy resource and the quick of urban pipe network is popularized, and welcomes a unprecedented opportunity to develop for supporting relevant enterprise face.At present, the measuring apparatus of domestic households, from the deaphragm gas meter technology that Britain introduces before 100 years of use, technology is backwardness comparatively; The existing two kinds of materials of China's deaphragm gas meter, a kind of employing gas pressure compacting iron sheet material, the aluminum alloy materials of the another kind of aluminium casting adopted.What use is all epithelium, and shortcoming: poor durability, error change are large, unstable, consumptive material is many, the life-span is not long.
Summary of the invention
In order to overcome above-mentioned defect, the object of this invention is to provide a kind of micro-ultrasonic gas meter, flow meter.
To achieve these goals, the present invention adopts following technical scheme:
Micro-ultrasonic gas meter, flow meter, it is made up of base, middle seat, aluminium sound channel sheet, piezoelectric ceramic piece or voltage sensitive sensor, case, circuit board, liquid crystal display, shell, base, middle seat, aluminium sound channel sheet, piezoelectric ceramic piece or voltage sensitive sensor are installed in order, case by base, middle seat, aluminium sound channel sheet, piezoelectric ceramic piece or voltage sensitive sensor cover within it and be connected with base seal, circuit board is connected with piezoelectric ceramic piece or voltage sensitive sensor and liquid crystal display respectively, circuit board is arranged on case, and shell is by the above-mentioned device sealing assembled.
Above-mentioned base, it comprises the body of zinc alloy diecasting or aluminium alloy compression casting, and body is provided with inlet end and outlet side, and outlet side connects the cylinder that body central arranges hollow.
Above-mentioned middle seat, it comprises zinc alloy diecasting or aluminium alloy compression casting body, and the center of body has through hole, the center cylindrical hole of through hole and base in the same size, has aperture in the surrounding of through hole.
Above-mentioned aperture is the multiple of four and symmetrical between two.
Above-mentioned aluminium sound channel sheet is the round aluminium flake being provided with hole or air flue by multilayer.
Above-mentioned aluminium sound channel sheet is provided with the round aluminium flake of eight kinds of different air flues, and circle aluminium flake comprises aluminium flake I, aluminium flake II, aluminium flake III, aluminium flake IV, aluminium flake V, aluminium flake VI, aluminium flake VII, aluminium flake VIII; Aluminium flake I is that the periphery of close circumference is provided with nine circular holes and is provided with two circular holes near the place in the center of circle; Aluminium flake II is that periphery is provided with multiple arc gap or circular hole, and arc gap or circular hole are corresponding between two, also arrange 10 circular holes at its position near the center of circle; Aluminium flake III is that periphery is provided with multiple arc gap or circular hole, and arc gap or circular hole are corresponding between two, also arrange 8 circular holes at its position near the center of circle; Aluminium flake IV is that periphery is provided with multiple arc gap or circular hole, and arc gap or circular hole are corresponding between two, are also provided with the slotted eye of class industry font at the position in the center of circle, arranges two symmetrical circular holes on the side of slotted eye; Aluminium flake V is that periphery is provided with multiple arc gap or circular hole, and arc gap or circular hole are corresponding between two, arrange eight circular holes with a center line correspondence in the center of circle; Aluminium flake VI periphery is provided with multiple arc gap or circular hole and the center of circle is dug a big hole; Aluminium flake VII is provided with multiple arc gap or circular hole at periphery, the slotted eye of class industry font is also provided with at the position in the center of circle, three circular holes to symmetry are set on the side of slotted eye, aluminium flake VIII is provided with multiple arc gap or circular hole at periphery, also be provided with the slotted eye of class industry font in portion on the lower at the position in the center of circle, three circular holes to symmetry are set on the side, top of slotted eye.
The round aluminium flake of above-mentioned eight kinds of different air flues is the laminated structure by aluminium flake VII, aluminium flake IV, aluminium flake I, aluminium flake III, aluminium flake VIII, aluminium flake II, aluminium flake VI, aluminium flake V.
It adopts zinc alloy diecasting or aluminium alloy compression casting, alternating air pressure is produced by the aluminium sound channel sheet of various different pore, air flue, spread out of electric signal through piezoelectric ceramic piece or voltage sensitive sensor, calculated by microprocessor after piezoelectric signal being amplified shaping, obtain gas tolerance data.
Exemplary flow:
Gas seat → through the seat air flue of sound channel sheet → in piezoelectric ceramic piece → warp → through base escape pipe in base pipeline → warp.Aluminium sound channel sheet anabolic action:
It is made up of with not identical hole, air flue aluminium flake identical, superposition regularly between each.Above sound channel sheet, closed assembly piezoelectric ceramic piece is at dress aluminium lid, by identical with different air flues, hole aluminium flake, produce alternating air pressure, produces rate-adaptive pacemaker electric signal through piezoelectric ceramics.
Adopt zinc alloy diecasting or aluminium alloy compression casting, aluminium sound channel sheet that is empty by various different gas, air flue produces alternating air pressure, spread out of electric signal through piezoelectric ceramic piece or voltage sensitive sensor, calculated by microprocessor after piezoelectric signal being amplified shaping, obtain gas tolerance data.
Three, main points: special air flue produces alternating air pressure, piezoelectric ceramics produces electric signal, amplification, shaping, computing, obtain data on flows.
Advantage of the present invention is: micro-ultrasonic gas meter, flow meter adopts kirsite or aluminium alloy compression casting, alternating air pressure is produced by the aluminium sound channel sheet of various different pore, air flue, electric signal is spread out of through piezoelectric ceramic piece or voltage sensitive sensor, piezoelectric signal is amplified by microprocessor computing after shaping, obtain the tolerance data of gas.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is aluminium flake I.
Fig. 3 is aluminium flake II.
Fig. 4 is aluminium flake III.
Fig. 5 is aluminium flake IV.
Fig. 6 is aluminium flake V.
Fig. 7 is aluminium flake VI.
Fig. 8 is aluminium flake VII.
Fig. 9 is aluminium flake VIII.
Embodiment
Further illustrate below in conjunction with accompanying drawing:
As shown in Figure 1, a kind of micro-ultrasonic gas meter, flow meter, it is made up of base 1, middle seat 2, aluminium sound channel sheet 3, piezoelectric ceramic piece 4, case 5, circuit board 6, liquid crystal display, shell 7, base 1, middle seat 2, aluminium sound channel sheet 3, piezoelectric ceramic piece 4 are installed in order, base 1, middle seat 2, aluminium sound channel sheet 3, piezoelectric ceramic piece 4 cover within it and are tightly connected with base 1 by case 5, circuit board 6 is connected with piezoelectric ceramic piece 4 and liquid crystal display respectively, circuit board 6 is arranged on case 5, and shell 7 is by the above-mentioned device sealing assembled.Aluminium sound channel sheet 3 is the aluminium flakes being provided with hole or air flue by multilayer.
As shown in Fig. 2 to Fig. 9, aluminium sound channel sheet 3 is provided with the round aluminium flake of eight kinds of different air flues, and circle aluminium flake comprises aluminium flake I, aluminium flake II, aluminium flake III, aluminium flake IV, aluminium flake V, aluminium flake VI, aluminium flake VII; Aluminium flake I is that the periphery of close circumference is provided with nine circular holes 9 and is provided with two circular holes 10 near the place in the center of circle; Aluminium flake II is that periphery is provided with multiple arc gap 11, and arc gap 11 is corresponding between two, also arranges 10 circular holes 12 at its position near the center of circle; Aluminium flake III is that periphery is provided with multiple arc gap 13, and arc gap 13 is corresponding between two, also arranges 8 circular holes 14 at its position near the center of circle; Aluminium flake IV is that periphery is provided with multiple arc gap 15, and arc gap 15 is corresponding between two, is also provided with the slotted eye 16 of class industry font at the position in the center of circle, arranges two symmetrical circular holes 17 on the side of slotted eye 16; Aluminium flake V is that periphery is provided with multiple arc gap 18, and arc gap 18 is corresponding between two, arranges eight circular holes 19 with a center line correspondence in the center of circle; Aluminium flake VI periphery is provided with multiple arc gap 20 and the center of circle is dug a big hole 21; Aluminium flake VII is provided with multiple arc gap 22 at periphery, the slotted eye 23 of class industry font is also provided with at the position in the center of circle, three circular holes 24 to symmetry are set on the side of slotted eye 23, aluminium flake VIII is provided with multiple arc gap 25 at periphery, also be provided with the slotted eye 26 of class industry font in portion on the lower at the position in the center of circle, three circular holes 27 to symmetry are set on the side, top of slotted eye 26.
Claims (6)
1. micro-ultrasonic gas meter, flow meter, it is made up of base, middle seat, aluminium sound channel sheet, piezoelectric ceramic piece or voltage sensitive sensor, case, circuit board, liquid crystal display, shell, base, middle seat, aluminium sound channel sheet, piezoelectric ceramic piece or voltage sensitive sensor are installed in order, case by base, middle seat, aluminium sound channel sheet, piezoelectric ceramic piece or voltage sensitive sensor cover within it and be connected with base seal, circuit board is connected with piezoelectric ceramic piece or voltage sensitive sensor and liquid crystal display respectively, circuit board is arranged on case, and shell is by the above-mentioned device sealing assembled; Aluminium sound channel sheet is that the round aluminium flake being provided with hole or air flue by multilayer is formed by stacking, and aluminium sound channel sheet is provided with the round aluminium flake of eight kinds of different air flues, and aluminium flake comprises aluminium flake I, aluminium flake II, aluminium flake III, aluminium flake IV, aluminium flake V, aluminium flake VI, aluminium flake VII, aluminium flake VIII; Aluminium flake I is that the periphery of close circumference is provided with nine circular holes and is provided with two circular holes near the place in the center of circle; Aluminium flake II is that periphery is provided with multiple arc gap or circular hole, and arc gap or circular hole are corresponding between two, also arrange 10 circular holes at its position near the center of circle; Aluminium flake III is that periphery is provided with multiple arc gap or circular hole, and arc gap or circular hole are corresponding between two, also arrange 8 circular holes at its position near the center of circle; Aluminium flake IV is that periphery is provided with multiple arc gap or circular hole, and arc gap or circular hole are corresponding between two, are also provided with the slotted eye of class industry font at the position in the center of circle, arranges two symmetrical circular holes on the side of slotted eye; Aluminium flake V is that periphery is provided with multiple arc gap or circular hole, and arc gap or circular hole are corresponding between two, arrange eight circular holes with a center line correspondence in the center of circle; Aluminium flake VI periphery is provided with multiple arc gap or circular hole and the center of circle is dug a big hole; Aluminium flake VII is provided with multiple arc gap or circular hole at periphery, is also provided with the slotted eye of class industry font at the position in the center of circle, arranges three circular holes to symmetry on the side of slotted eye; Aluminium flake VIII is provided with multiple arc gap or circular hole at periphery, is also provided with the slotted eye of class industry font in portion on the lower at the position in the center of circle, arranges three circular holes to symmetry on the side, top of slotted eye.
2. micro-ultrasonic gas meter, flow meter according to claim 1, is characterized in that: base, and it comprises the body of zinc alloy diecasting or aluminium alloy compression casting, and body is provided with inlet end and outlet side, and outlet side connects the cylinder that body central arranges hollow.
3. micro-ultrasonic gas meter, flow meter according to claim 1, it is characterized in that: middle seat, it comprises zinc alloy diecasting or aluminium alloy compression casting body, and the center of body has through hole, the center cylindrical hole of through hole and base in the same size, has aperture in the surrounding of through hole.
4. micro-ultrasonic gas meter, flow meter according to claim 3, is characterized in that: the described aperture on middle seat is the multiple of four and symmetrical between two.
5. micro-ultrasonic gas meter, flow meter according to claim 1, is characterized in that: the aluminium flake of eight kinds of different air flues is the laminated structure by aluminium flake VII, aluminium flake IV, aluminium flake I, aluminium flake III, aluminium flake VIII, aluminium flake II, aluminium flake VI, aluminium flake V.
6. micro-ultrasonic gas meter, flow meter according to claim 1, it is characterized in that: it adopts the base of zinc alloy diecasting or aluminium alloy compression casting and middle seat, alternating air pressure is produced by the aluminium sound channel sheet of various different pore, air flue, electric signal is spread out of through piezoelectric ceramic piece or voltage sensitive sensor, calculated by microprocessor after piezoelectric signal being amplified shaping, obtain gas tolerance data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110181969.XA CN102967333B (en) | 2011-06-30 | 2011-06-30 | Micro ultrasonic gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110181969.XA CN102967333B (en) | 2011-06-30 | 2011-06-30 | Micro ultrasonic gas meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102967333A CN102967333A (en) | 2013-03-13 |
| CN102967333B true CN102967333B (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110181969.XA Expired - Fee Related CN102967333B (en) | 2011-06-30 | 2011-06-30 | Micro ultrasonic gas meter |
Country Status (1)
| Country | Link |
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| CN (1) | CN102967333B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868557B (en) * | 2014-03-26 | 2017-10-20 | 温州博真仪表科技有限公司 | Micro-ultrasonic gas meter, flow meter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002071000A1 (en) * | 2000-10-27 | 2002-09-12 | Meta Sensors, Inc. | Property-independent volumetric flowmeter and sonic velocimeter |
| EP1394512A1 (en) * | 2002-08-29 | 2004-03-03 | Sontex S.A. (Sontex AG) (Sontex LTD) | Impedance variation sensor and application to a flowmeter of the fluidic oscillation type |
| CN1587917A (en) * | 2004-09-13 | 2005-03-02 | 浙江大学 | Jet flow meter using vertical drain flow path and double outlet structure |
| CN201607255U (en) * | 2010-02-10 | 2010-10-13 | 宁波水表股份有限公司 | Jet flow sensor |
| CN202420567U (en) * | 2012-04-09 | 2012-09-05 | 江向前 | Micro ultrasonic gas meter |
-
2011
- 2011-06-30 CN CN201110181969.XA patent/CN102967333B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002071000A1 (en) * | 2000-10-27 | 2002-09-12 | Meta Sensors, Inc. | Property-independent volumetric flowmeter and sonic velocimeter |
| EP1394512A1 (en) * | 2002-08-29 | 2004-03-03 | Sontex S.A. (Sontex AG) (Sontex LTD) | Impedance variation sensor and application to a flowmeter of the fluidic oscillation type |
| CN1587917A (en) * | 2004-09-13 | 2005-03-02 | 浙江大学 | Jet flow meter using vertical drain flow path and double outlet structure |
| CN201607255U (en) * | 2010-02-10 | 2010-10-13 | 宁波水表股份有限公司 | Jet flow sensor |
| CN202420567U (en) * | 2012-04-09 | 2012-09-05 | 江向前 | Micro ultrasonic gas meter |
Non-Patent Citations (1)
| Title |
|---|
| 射流流量计的仿真与试验研究;傅新等;《机械工程学报》;20060731;第42卷(第7期);24-29 * |
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| Publication number | Publication date |
|---|---|
| CN102967333A (en) | 2013-03-13 |
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Owner name: WENZHOU BOZHEN INSTRUMENT TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JIANG XIANGQIAN Effective date: 20150427 |
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Free format text: CORRECT: ADDRESS; FROM: 325604 WENZHOU, ZHEJIANG PROVINCE TO: 325600 WENZHOU, ZHEJIANG PROVINCE |
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Effective date of registration: 20150427 Address after: 325600 Liushi Town, Yueqing City, Zhejiang, Dongfengcun, Wenzhou Patentee after: WENZHOU BOZHEN INSTRUMENT TECHNOLOGY Co.,Ltd. Address before: 325604 Su Lu Industrial Zone, Liushi Town, Zhejiang, Wenzhou Patentee before: Jiang Xiangqian |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |