WO2020223926A1 - Meter body of ultrasonic gas meter - Google Patents
Meter body of ultrasonic gas meter Download PDFInfo
- Publication number
- WO2020223926A1 WO2020223926A1 PCT/CN2019/086008 CN2019086008W WO2020223926A1 WO 2020223926 A1 WO2020223926 A1 WO 2020223926A1 CN 2019086008 W CN2019086008 W CN 2019086008W WO 2020223926 A1 WO2020223926 A1 WO 2020223926A1
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- WO
- WIPO (PCT)
- Prior art keywords
- meter
- fpc
- upper shell
- flexible circuit
- circuit board
- 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
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/14—Casings, e.g. of special material
Definitions
- the utility model relates to the field of gas metering instruments, in particular to an ultrasonic gas meter body.
- Ultrasonic gas meter is a pure electronic instrument, which has the advantages of no moving parts, no wear and aging, high accuracy, wide range ratio, and high degree of intelligence.
- the existing ultrasonic gas meter steel shell structure has upper and lower shells and front and rear shells. Two structures, product parts are installed in the upper shell or the rear shell, and wire bolts are installed on the upper shell or the front shell to lead the signal inside the watch to the outside of the watch, between the upper shell and the lower shell or the rear shell and the front shell After installing rubber pad or applying sealant, pressure seal.
- the upper shell or the rear shell has a large depth, inconvenient parts assembly, cumbersome assembly process for installing threaded bolts, high manual operation hours, difficult to realize automatic assembly, high product cost, and low efficiency.
- the problem to be solved by the utility model is to solve the problem of the existing ultrasonic gas meter steel shell, and provide an ultrasonic gas meter body suitable for automatic production, which has no through holes, simple assembly, high efficiency, and substantially less manual assembly.
- an ultrasonic gas meter body which is characterized by: an upper case 1, a meter joint 2, a meter joint sealing ring 3, a fixed connecting plate 4, and a lower case 5.
- Screw hole fixing plate 7, hoop 8 and hexagon socket screw 9 upper shell 1 is equipped with meter joint 2, meter joint sealing ring 3, upper shell 1 and fixed connecting plate 4 to form upper shell assembly 10, upper shell 1 and
- the rubber composite FPC wire 6 is installed between the lower shell 5, and its structure is: the FPC flexible circuit board 62 passes through the middle of the rubber gasket 61, the protective rubber layer 66 covers the surface of the FPC flexible circuit board 62, and the protective coating 65 covers the FPC flexible circuit
- the surface of the internal terminal 63 of the board and the external terminal 64 of the FPC flexible circuit board, the protective film 67 covers the protective coating 65, the upper shell 1 and the lower shell 5 are clamped by the hoop 8 or fixed by the screw hole to fix the plate 7 and the inner hexagon Screw 9 clamps.
- All parts are installed on the upper shell assembly which is approximately flat plate shape, which is convenient for assembly and operation, suitable for semi-automatic and fully automated production.
- the FPC flexible circuit board is resistant to folding and aging, and has good weather resistance in high and low temperature gas environments.
- the line width can be adjusted freely according to the number of signals transmitted, and the actual application is flexible and reliable.
- FPC flexible circuit board connection terminal coating treatment long-term reliable connection, no need to weld any connection, assembly efficiency is greatly improved.
- Figure 1 is a schematic diagram of the structure of the utility model.
- Fig. 2 is a schematic diagram of the upper case 1 of the present invention equipped with a meter connector 2, a meter connector sealing ring 3, and a fixed connecting plate 4 forming components.
- Figure 3 is a schematic diagram of the structure of the rubber composite FPC wire of the present invention.
- Figure 4 is a cross-sectional view of the rubber composite FPC wire of the present invention.
- Upper shell 2. Meter connector, 3. Meter connector sealing ring, 4. Fixed connecting plate, 5. Lower housing, 6. Rubber composite FPC wire, 61. Rubber gasket, 62. FPC flexible circuit board, 63. FPC flexible circuit board internal terminal, 64. FPC flexible circuit external terminal, 65. Protective coating, 66. Protective rubber layer, 67. Protective film, 68. Adhesive, 7. Screw hole fixing Plate, 8. Hoop, 9. Hexagon socket screw, 10. Upper shell assembly.
- a G16 ultrasonic gas meter meter body as shown in Figures 1 and 2, the material is 1.2mm thick galvanized steel sheet and the upper shell is stretched and formed.
- the material is Q235 galvanized meter connector 2, 42.5x1.8mm nitrile Rubber meter joint sealing ring 3, the material is 3mm thick Q235 galvanized and stamped fixed connecting plate 4, the meter joint 2 and the fixed connecting plate 4 are fixed and compressed by riveting the meter joint sealing ring 3, the upper shell 1 and the material are 1.2
- the rubber composite FPC wire 6 is installed between the lower shell 5 of mm thick galvanized steel plate stretched and formed.
- the upper shell 1 and the lower shell 5 are clamped by the stainless steel 1.5mm rear ferrule 8 or through the screw hole fixing plate 7 and stainless steel M6x12
- the hexagon socket screw 9 is clamped.
- the upper shell assembly 10 formed by the upper shell 1 and the fixed connecting plate 4 is close to the shape of a flat plate, and all parts are installed on the upper shell assembly 10.
- the structure of the rubber composite FPC wire 6, the middle part of the rubber gasket 61 with a thickness of 2-4mm made of nitrile rubber is pierced through the FPC flexible circuit with frosted surface and coated with Chemlock ATI33 adhesive 68
- the board 62, a protective rubber layer 66 made of nitrile rubber with a thickness of 0.5-1mm covers the surface of the FPC flexible circuit board 62.
- the FPC flexible circuit board 62 is used as an insert to be integrated with the rubber gasket 61 during molding.
- the protective coating 65 made of gold covers the surface of the FPC flexible circuit board internal terminal 63 and the FPC flexible circuit board external terminal 64, which protects the terminals for a long time and reliability.
- the material is PET high temperature resistant protective film 67 covered with a protective coating 65 to ensure The protective coating 65 is not affected during the vulcanization process.
- the upper and lower shells of the smart gas meter clamp the rubber sealing gasket 61 to ensure the sealing of the entire meter.
- the internal terminal 63 of the FPC flexible circuit board is connected to the valve inside the smart gas meter. , Temperature, pressure sensors, etc., the external terminal 64 of the FPC flexible circuit board is connected to the main control board of the smart gas meter to complete the sealed and reliable connection.
- a G25 ultrasonic gas meter meter body The material is an upper shell 1 stretched and formed by a 1.5mm thick galvanized steel sheet, with a height of 25mm, and its connection structure is the same as that of Embodiment 1.
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
Abstract
Provided is a meter body of an ultrasonic gas meter, the meter body having no through holes and being easy to assemble and suitable for automated production. Since all components are installed at an upper housing assembly (10), which is a substantially flat plate, the meter body of an ultrasonic gas meter is easy to assemble and operate, and is suitable for semi-automated or fully-automated production. The meter body does not require the formation of holes and the installation of through-screws, and so has reliable sealing performance, improved production efficiency, and reduced costs. A flexible printed circuit (FPC) (62) is resistant to bending and aging and exhibits favorable weather-resistance at high and low temperatures in a gas combustion environment, and the line width thereof is adjustable as required according to the number of signals to be transmitted. The FPC is reliable and can be applied flexibly. Coating processing is performed on a connection terminal of the flexible circuit board (FPC) (62), thereby ensuring a long-lasting, reliable connection, eliminating the need to solder a connection wire, and greatly improving assembly efficiency.
Description
本实用新型涉及燃气计量仪表领域，具体说涉及一种超声波燃气表表体。The utility model relates to the field of gas metering instruments, in particular to an ultrasonic gas meter body.
超声波燃气表是一种纯电子仪表，具有无运动部件，无磨损老化，精度高，量程比宽，智能化程度高等优点，现有超声波燃气表钢壳结构有上、下壳和前、后壳两种结构，产品零件装到上壳或后壳内，在上壳或前壳上开孔安装过线螺栓把表内信号引出到表外，上壳与下壳或后壳与前壳之间装橡胶垫或涂密封胶后再压封。Ultrasonic gas meter is a pure electronic instrument, which has the advantages of no moving parts, no wear and aging, high accuracy, wide range ratio, and high degree of intelligence. The existing ultrasonic gas meter steel shell structure has upper and lower shells and front and rear shells. Two structures, product parts are installed in the upper shell or the rear shell, and wire bolts are installed on the upper shell or the front shell to lead the signal inside the watch to the outside of the watch, between the upper shell and the lower shell or the rear shell and the front shell After installing rubber pad or applying sealant, pressure seal.
其中上壳或后壳深度较大，零件装配不方便，安装过线螺栓装配工艺繁琐，人工操作工时高，不易实现自动装配，产品成本高，效率较低。Among them, the upper shell or the rear shell has a large depth, inconvenient parts assembly, cumbersome assembly process for installing threaded bolts, high manual operation hours, difficult to realize automatic assembly, high product cost, and low efficiency.
本实用新型要解决的问题是针对现有超声波燃气表钢壳体问题，提供一种表体无通孔、装配简单、效率高的大幅较少人工装配的适合自动化生产的超声波燃气表表体。The problem to be solved by the utility model is to solve the problem of the existing ultrasonic gas meter steel shell, and provide an ultrasonic gas meter body suitable for automatic production, which has no through holes, simple assembly, high efficiency, and substantially less manual assembly.
问题的解决方案The solution to the problem
本实用新型要解决其技术问题所采用的技术方案是：一种超声波燃气表表体，其特征在于：由上壳1、表接头2、表接头密封圈3、固定连接板4、下壳5、螺孔固定板7、箍圈8、内六角螺钉9组成，上壳1上装有表接头2、表接头密封圈3、上壳1和固定连接板4组成上壳组件10，上壳1和下壳5之间安装橡胶复合FPC导线6，其结构是：FPC柔性电路板62从橡胶密封垫61中部穿出，保护橡胶层66覆盖FPC柔性电路板62表面，保护涂层65覆盖FPC柔性电路板表内接线端子63、FPC柔性电路板表外接线端子64表面，保护膜67覆盖保护涂层65，上壳1和下壳5通过箍圈8夹紧或通过螺孔固定板7和内六角螺钉9夹紧。The technical solution adopted by the utility model to solve its technical problems is: an ultrasonic gas meter body, which is characterized by: an upper case 1, a meter joint 2, a meter joint sealing ring 3, a fixed connecting plate 4, and a lower case 5. , Screw hole fixing plate 7, hoop 8 and hexagon socket screw 9, upper shell 1 is equipped with meter joint 2, meter joint sealing ring 3, upper shell 1 and fixed connecting plate 4 to form upper shell assembly 10, upper shell 1 and The rubber composite FPC wire 6 is installed between the lower shell 5, and its structure is: the FPC flexible circuit board 62 passes through the middle of the rubber gasket 61, the protective rubber layer 66 covers the surface of the FPC flexible circuit board 62, and the protective coating 65 covers the FPC flexible circuit The surface of the internal terminal 63 of the board and the external terminal 64 of the FPC flexible circuit board, the protective film 67 covers the protective coating 65, the upper shell 1 and the lower shell 5 are clamped by the hoop 8 or fixed by the screw hole to fix the plate 7 and the inner hexagon Screw 9 clamps.
发明的有益效果The beneficial effects of the invention
本实用新型与现有技术对比有益效果是：The beneficial effects of the utility model compared with the prior art are:
所有零部件安装在近似平板形状的上壳组件上，装配操作方便，适合半自动、全自动化生产。All parts are installed on the upper shell assembly which is approximately flat plate shape, which is convenient for assembly and operation, suitable for semi-automatic and fully automated production.
不需要在表体开孔，不需要安装过线螺栓，密封性可靠，提高生产效率，降低成本。There is no need to open holes in the meter body, no need to install threaded bolts, reliable sealing, improve production efficiency, and reduce costs.
FPC柔性电路板耐折、耐老化，在高低温燃气环境中耐候性良好，可以根据需要传输信号数量自由调整线宽，实际应用灵活、可靠。The FPC flexible circuit board is resistant to folding and aging, and has good weather resistance in high and low temperature gas environments. The line width can be adjusted freely according to the number of signals transmitted, and the actual application is flexible and reliable.
FPC柔性电路板连接端子涂覆处理，长期连接可靠，不需要焊接任何连线，装配效率大大提升。FPC flexible circuit board connection terminal coating treatment, long-term reliable connection, no need to weld any connection, assembly efficiency is greatly improved.
对附图的简要说明Brief description of the drawings
图1是本实用新型的结构示意图。Figure 1 is a schematic diagram of the structure of the utility model.
图2是本实用新型上壳1上装有表接头2、表接头密封圈3、固定连接板4形成组件的示意图。Fig. 2 is a schematic diagram of the upper case 1 of the present invention equipped with a meter connector 2, a meter connector sealing ring 3, and a fixed connecting plate 4 forming components.
图3是本实用新型中橡胶复合FPC导线结构示意图。Figure 3 is a schematic diagram of the structure of the rubber composite FPC wire of the present invention.
图4是本实用新型中橡胶复合FPC导线的剖视图。Figure 4 is a cross-sectional view of the rubber composite FPC wire of the present invention.
图中1.上壳，2.表接头，3.表接头密封圈，4.固定连接板，5.下壳，6.橡胶复合FPC导线，61.橡胶密封垫，62.FPC柔性电路板，63.FPC柔性电路板表内接线端子，64.FPC柔性电路板表外接线端子，65.保护涂层，66.保护橡胶层，67、保护膜，68.粘合剂，7.螺孔固定板，8.箍圈，9.内六角螺钉，10.上壳组件。In the figure 1. Upper shell, 2. Meter connector, 3. Meter connector sealing ring, 4. Fixed connecting plate, 5. Lower housing, 6. Rubber composite FPC wire, 61. Rubber gasket, 62. FPC flexible circuit board, 63. FPC flexible circuit board internal terminal, 64. FPC flexible circuit external terminal, 65. Protective coating, 66. Protective rubber layer, 67. Protective film, 68. Adhesive, 7. Screw hole fixing Plate, 8. Hoop, 9. Hexagon socket screw, 10. Upper shell assembly.
实施该发明的最佳实施例The best embodiment for implementing the invention
结合附图对本实用新型进一步说明。The utility model is further explained in conjunction with the drawings.
实施例1Example 1
一种G16超声波燃气表表体，如图1、2所示，材料为1.2mm厚镀锌钢板拉伸成型的上壳1装材料为Q235镀锌处理的表接头2、42.5x1.8mm丁晴橡胶表接头密封 圈3、材料为3mm厚Q235镀锌处理冲压成型的固定连接板4，表接头2和固定连接板4通过铆压固定压紧表接头密封圈3，上壳1和材料为1.2mm厚镀锌钢板拉伸成型的下壳5之间安装橡胶复合FPC导线6，上壳1和下壳5通过不锈钢材质1.5mm后箍圈8夹紧或通过螺孔固定板7和不锈钢材质M6x12内六角螺钉9夹紧。A G16 ultrasonic gas meter meter body, as shown in Figures 1 and 2, the material is 1.2mm thick galvanized steel sheet and the upper shell is stretched and formed. The material is Q235 galvanized meter connector 2, 42.5x1.8mm nitrile Rubber meter joint sealing ring 3, the material is 3mm thick Q235 galvanized and stamped fixed connecting plate 4, the meter joint 2 and the fixed connecting plate 4 are fixed and compressed by riveting the meter joint sealing ring 3, the upper shell 1 and the material are 1.2 The rubber composite FPC wire 6 is installed between the lower shell 5 of mm thick galvanized steel plate stretched and formed. The upper shell 1 and the lower shell 5 are clamped by the stainless steel 1.5mm rear ferrule 8 or through the screw hole fixing plate 7 and stainless steel M6x12 The hexagon socket screw 9 is clamped.
进一步的上壳1和固定连接板4形成的上壳组件10接近平板形状，所有零部件安装在这个上壳组件10上。Further, the upper shell assembly 10 formed by the upper shell 1 and the fixed connecting plate 4 is close to the shape of a flat plate, and all parts are installed on the upper shell assembly 10.
如图3、4所示，橡胶复合FPC导线6的结构，材质丁腈橡胶的厚度2-4mm的橡胶密封垫61中部穿出表面磨砂处理并涂开姆洛克ATI33粘合剂68的FPC柔性电路板62，材质丁腈橡胶的厚度0.5-1mm的保护橡胶层66覆盖FPC柔性电路板62表面，模压成型硫化过程中FPC柔性电路板62作为嵌件在成型时与橡胶密封垫61融为一体，材质为金的保护涂层65覆盖FPC柔性电路板表内接线端子63、FPC柔性电路板表外接线端子64表面，保护接线端子持久可靠，材质为PET耐高温保护膜67覆盖保护涂层65保证保护涂层65在硫化过程中不受影响，智能燃气表上壳体、下壳体夹紧橡胶密封垫61保证整表密封性，FPC柔性电路板表内接线端子63连接智能燃气表内部的阀门、温度、压力传感器等，FPC柔性电路板表外接线端子64连接智能燃气表主控板，完成密封可靠连接。As shown in Figures 3 and 4, the structure of the rubber composite FPC wire 6, the middle part of the rubber gasket 61 with a thickness of 2-4mm made of nitrile rubber is pierced through the FPC flexible circuit with frosted surface and coated with Chemlock ATI33 adhesive 68 The board 62, a protective rubber layer 66 made of nitrile rubber with a thickness of 0.5-1mm covers the surface of the FPC flexible circuit board 62. During the molding and vulcanization process, the FPC flexible circuit board 62 is used as an insert to be integrated with the rubber gasket 61 during molding. The protective coating 65 made of gold covers the surface of the FPC flexible circuit board internal terminal 63 and the FPC flexible circuit board external terminal 64, which protects the terminals for a long time and reliability. The material is PET high temperature resistant protective film 67 covered with a protective coating 65 to ensure The protective coating 65 is not affected during the vulcanization process. The upper and lower shells of the smart gas meter clamp the rubber sealing gasket 61 to ensure the sealing of the entire meter. The internal terminal 63 of the FPC flexible circuit board is connected to the valve inside the smart gas meter. , Temperature, pressure sensors, etc., the external terminal 64 of the FPC flexible circuit board is connected to the main control board of the smart gas meter to complete the sealed and reliable connection.
发明实施例Invention embodiment
一种G25超声波燃气表表体，材料为1.5mm厚镀锌钢板拉伸成型的上壳1，高度为25mm，其连接结构同实施例1。A G25 ultrasonic gas meter meter body. The material is an upper shell 1 stretched and formed by a 1.5mm thick galvanized steel sheet, with a height of 25mm, and its connection structure is the same as that of Embodiment 1.
Claims (1)
- 一种超声波燃气表表体，其特征在于：由上壳(1)、表接头(2)、表接头密封圈(3)、固定连接板(4)、下壳(5)、螺孔固定板(7)、箍圈(8)、内六角螺钉(9)组成，上壳(1)上装有表接头(2)、表接头密封圈(3)、上壳(1)和固定连接板(4)组成上壳组件(10)，上壳(1)和下壳(5)之间安装橡胶复合FPC导线(6)，其结构是：FPC柔性电路板(62)从橡胶密封垫(61)中部穿出，保护橡胶层(66)覆盖FPC柔性电路板(62)表面，保护涂层(65)覆盖FPC柔性电路板表内接线端子(63)、FPC柔性电路板表外接线端子(64)表面，保护膜(67)覆盖保护涂层(65)，上壳(1)和下壳(5)通过箍圈(8)夹紧或通过螺孔固定板(7)和内六角螺钉(9)夹紧。An ultrasonic gas meter meter body, which is characterized by: an upper shell (1), a meter joint (2), a meter joint sealing ring (3), a fixed connecting plate (4), a lower shell (5), and a screw hole fixing plate (7), the hoop (8), the hexagon socket screw (9), the upper shell (1) is equipped with the meter joint (2), the meter joint sealing ring (3), the upper shell (1) and the fixed connecting plate (4) ) Compose the upper shell assembly (10), the rubber composite FPC wire (6) is installed between the upper shell (1) and the lower shell (5), and the structure is: the FPC flexible circuit board (62) starts from the middle of the rubber gasket (61) Through out, the protective rubber layer (66) covers the surface of the FPC flexible circuit board (62), and the protective coating (65) covers the surface of the FPC flexible circuit board internal terminal (63) and the FPC flexible circuit board external terminal (64). , The protective film (67) covers the protective coating (65), the upper shell (1) and the lower shell (5) are clamped by the hoop (8) or clamped by the screw hole fixing plate (7) and the hexagon socket screw (9) tight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/086008 WO2020223926A1 (en) | 2019-05-08 | 2019-05-08 | Meter body of ultrasonic gas meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/086008 WO2020223926A1 (en) | 2019-05-08 | 2019-05-08 | Meter body of ultrasonic gas meter |
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| WO2020223926A1 true WO2020223926A1 (en) | 2020-11-12 |
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2019
- 2019-05-08 WO PCT/CN2019/086008 patent/WO2020223926A1/en active Application Filing
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| CN102510697A (en) * | 2011-12-26 | 2012-06-20 | 王辉 | Electronic products external line water-proof structure and its assembly method |
| US20160305805A1 (en) * | 2015-04-14 | 2016-10-20 | Joseph Baumoel | Phase controlled variable angle ultrasonic flow meter |
| CN206818270U (en) * | 2017-03-29 | 2017-12-29 | 上海真兰燃气设备股份有限公司 | A kind of novel work business diaphragm gas meter encapsulating structure |
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| CN209264053U (en) * | 2018-12-29 | 2019-08-16 | 辽宁思凯科技股份有限公司 | A kind of ultrasonic wave gas meter table body |
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