阅读说明：本技术 翻板型摩擦电式转子流量计 (Turning plate type triboelectric rotor flow meter ) 是由 程廷海 王铮 王健龙 徐毓鸿 卢晓晖 王宇琦 郭进 杨伟雄 于 2019-09-20 设计创作，主要内容包括：一种翻板型摩擦电式转子流量计,以解决当前转子流量计机械磨损、结构不够安全可靠、成本昂贵、功耗大等技术问题。本发明由锥形管、端盖组件、螺栓组件、转换器、磁性浮子、支架固定螺钉和浮子组件组成,所述浮子组件通过支架固定螺钉安装在锥形管上；所述端盖组件通过螺栓组件安装在锥形管上；所述磁性浮子通过螺纹连接安装在浮子组件上；所述转换器通过螺纹连接安装在端盖组件上。本发明利用转换器中翻板组件输出电压的幅值监测流量的大小,具有结构安全可靠,功耗小、成本低、测量精度高等优点。本发明的结构设计和研究思路为促进气动系统的智能化发展,提升我国工业自动化装备的智能化水平有着重要的工程应用价值。(a flap type triboelectric rotameter aims to solve the technical problems of mechanical abrasion, insufficient safety and reliability of the structure, high cost, large power consumption and the like of the conventional rotameter. The magnetic floater comprises a conical tube, an end cover assembly, a bolt assembly, a converter, a magnetic floater, a bracket fixing screw and a floater assembly, wherein the floater assembly is arranged on the conical tube through the bracket fixing screw; the end cover assembly is arranged on the conical pipe through a bolt assembly; the magnetic floater is arranged on the floater component through threaded connection; the converter is mounted on the end cap assembly by a threaded connection. The invention monitors the flow by using the amplitude of the output voltage of the turnover plate component in the converter, and has the advantages of safe and reliable structure, low power consumption, low cost, high measurement precision and the like. The structural design and research idea of the invention has important engineering application value for promoting the intelligent development of a pneumatic system and improving the intelligent level of industrial automation equipment in China.)

1. A flap type triboelectric rotameter is characterized in that: the flap type triboelectric rotameter comprises a conical tube (1), an end cover assembly (2), a bolt assembly (3), a converter (4), a magnetic floater (5), a bracket fixing screw (6) and a floater assembly (7); the floater component (7) is arranged on the conical pipe (1) through a bracket fixing screw (6); the end cover assembly (2) is arranged on the conical pipe (1) through a bolt assembly (3); the magnetic floater (5) is arranged on the floater component (7) through threaded connection; the converter (4) is installed on the end cover assembly (2) through threaded connection.

2. The flap type triboelectric rotameter of claim 1, wherein: the conical pipe (1) is provided with an air inlet (1-1), a flange connecting hole (1-2), an air outlet (1-3), a support mounting seat (1-4), a conical pipe mounting hole (1-5), a support mounting hole (1-6), a bearing mounting seat I (1-7) and an air outlet (1-8); the end cover assembly (2) comprises a linear bearing A (2-1) and an end cover (2-2); an end cover mounting hole (2-2-1), a bearing mounting seat II (2-2-2), a sealing boss (2-2-3) and a limiting hole I (2-2-4) are formed in the end cover (2-2); the flange connecting holes (1-2) are uniformly distributed on the end faces where the air inlet (1-1) and the air outlet (1-8) are located; the support mounting holes (1-6) are uniformly distributed around the support mounting seats (1-4); the conical tube mounting holes (1-5) are uniformly distributed on the periphery of the upper end surface of the conical tube (1); the bearing mounting seat I (1-7) is arranged in the conical tube (1); the linear bearing A (2-1) is arranged on the end cover (2-2) through a bearing mounting seat II (2-2-2); the outer side of the bearing mounting seat II (2-2-2) is provided with a thread; the end cover (2-2) is arranged on the conical tube (1) through an end cover mounting hole (2-2-1) and sealed through a sealing boss (2-2-3); the limiting hole I (2-2-4) is arranged in the center of the sealing boss (2-2-3).

3. The flap type triboelectric rotameter of claim 1, wherein: the converter (4) comprises an end cover sleeve (4-1), a turning plate component connecting screw (4-2) and a turning plate component (4-3); the end cover sleeve (4-1) is provided with a threaded hole I (4-1-1), a flap component mounting groove (4-1-2) and a threaded hole II (4-1-3); the turning plate assembly (4-3) comprises a set screw (4-3-1), an electrode inserting plate (4-3-2), a roller bracket (4-3-3), a sliding rail (4-3-4), a turning plate roller (4-3-5) and a sealing plate (4-3-6); the electrode inserting plate (4-3-2) comprises a friction material I (4-3-2-1) and an electrode plate (4-3-2-2); a roller mounting groove (4-3-3-1) is formed in the roller bracket (4-3-3); the sliding rail (4-3-4) is provided with a sliding chute I (4-3-4-1), a threaded hole III (4-3-4-2), a sliding chute II (4-3-4-3) and a sliding rail mounting hole (4-3-4-4); the flap roller (4-3-5) comprises a friction material II (4-3-5-1), a roller limiting rod (4-3-5-2) and a cylindrical magnet I (4-3-5-3); the sealing plate (4-3-6) is provided with a sealing plate mounting hole (4-3-6-1).

4. The flap type triboelectric rotameter of claim 3, wherein: the turning plate component (4-3) is arranged on the turning plate component mounting groove (4-1-2) and is connected to the threaded hole II (4-1-3) through the matching of a turning plate component connecting screw (4-2) and the threaded hole II (4-1-3); the end cover sleeve (4-1) is arranged on the end cover (2) through a threaded hole I (4-1-1); the roller bracket (4-3-3) is arranged on the sliding rail (4-3-4) through a sliding groove I (4-3-4-1); the flap roller (4-3-5) is arranged on the roller bracket (4-3-3) through a roller mounting groove (4-3-3-1); the electrode inserting plate (4-3-2) is arranged on the sliding rail (4-3-4) through a sliding groove II (4-3-4-3); the sealing plate (4-3-6) is arranged on the sliding rail (4-3-4) through the matching of a set screw (4-3-1) and a threaded hole III (4-3-4-2); the friction material I (4-3-2-1) is adhered to the electrode plate (4-3-2-2) through glue; the cylindrical magnet I (4-3-5-3) is arranged on the roller limiting rod (4-3-5-2); the friction material II (4-3-5-1) is adhered to the cylindrical magnet I (4-3-5-3) through glue; the sticking area of the friction material II (4-3-5-1) is half of the area of the peripheral surface of the cylindrical magnet I (4-3-5-3).

5. The flap type triboelectric rotameter of claim 1, wherein: the magnetic floater (5) comprises a magnet mounting shell (5-1), a cylindrical magnet II (5-2) and a magnet mounting end cover (5-3); the cylindrical magnet II (5-2) is arranged on the magnet mounting shell (5-1); the magnet mounting end cover (5-3) is mounted on the magnet mounting shell (5-1) through threaded connection; the bottom of the magnet mounting shell (5-1) is provided with a threaded hole IV (5-1-1).

6. The flap type triboelectric rotameter of claim 1, wherein: the floater component (7) comprises a linear bearing B (7-1), a floater (7-2), a limiting support (7-3) and a linear bearing C (7-2); the floater (7-2) is provided with a limiting rod (7-2-1) and a balancing weight (7-2-2); the limiting support (7-3) is provided with a counter bore (7-3-1) and a bearing mounting seat III (7-3-2); the linear bearing B (7-1) is arranged on the bearing mounting seat I (1-7), and the floater (7-2) is limited by the limiting rod (7-2-1); the linear bearing C (7-2) is arranged on the limiting support (7-3) through a bearing mounting seat III (7-3-2); the limiting support (7-3) is arranged on the floater (7-2) through a limiting rod (7-2-1); the counter bores (7-3-1) are uniformly distributed on the periphery of the end face of the limiting support (7-3).

7. a flap-type triboelectric rotameter according to claim 1 or claim 3, characterized in that: the conical tube (1) is made of metal, glass or plastic; the friction material I (4-3-2-1) is a metal material with electropositivity, such as copper, aluminum or silver; the friction material II (4-3-5-1) is a material with strong electronegativity, such as PTFE (polytetrafluoroethylene), PDMS (polydimethylsiloxane), PVC (polyvinyl chloride), FEP (fluorinated ethylene propylene copolymer) or Kapton (polyimide film material).

Technical Field

the invention designs a flap type triboelectric rotameter, belonging to the field of flow measurement.

Background

In many situations, the flow rate of various fluids such as air, water, gas and the like needs to be known, and the parameters are also parameters of process control frequently used in industrial production, so that the measurement and control of the fluid are particularly important in production life. The rotor flowmeter is widely applied to flow detection due to the characteristics of simple measurement principle, mature technology and the like. However, most of the current rotor flow sensors are purely mechanical, and have the problems of complex structure, mechanical abrasion, insufficient safety and reliability and the like. Purely electronic and electromechanical hybrid rotameters have been widely used in recent years due to their advantages of relatively high measurement accuracy and relatively low wear, but they require complicated control circuitry and procedures, high power consumption, and high cost, which severely limits the development of the meters.

Therefore, it is important to find a new flow measurement method and design a new rotameter with safe and reliable structure, low power consumption, low cost and high measurement accuracy.

Disclosure of Invention

The invention discloses a flap type triboelectric rotameter, which aims to solve the technical problems of mechanical wear, insufficient safety and reliability of a structure, high cost, high power consumption and the like of the conventional rotameter.

The technical scheme adopted by the invention is as follows:

the magnetic rotor type magnetic power generator comprises a conical tube, an end cover assembly, a bolt assembly, a converter, a magnetic rotor, a bracket fixing screw and a rotor assembly; the rotor assembly is arranged on the conical tube through a bracket fixing screw; the end cover assembly is arranged on the conical pipe through a bolt assembly; the magnetic rotor is installed on the rotor component through threaded connection; the converter is mounted on the end cap assembly by a threaded connection.

The conical pipe is provided with an air inlet, a flange connecting hole, an air outlet hole, a support mounting seat, a conical pipe mounting hole, a support mounting hole, a bearing mounting seat I and an air outlet; the conical tube is made of metal, glass or plastic; the end cover assembly comprises a linear bearing A and an end cover; the end cover is provided with an end cover mounting hole, a bearing mounting seat II, a sealing boss and a limiting hole I; the gas flows into the conical tube through the gas inlet and the gas outlet in sequence and flows out of the gas outlet; the flange connecting holes are uniformly distributed on the end surfaces where the air inlet and the air outlet are positioned and are used for external connection; the bracket mounting holes are uniformly distributed on the periphery of the bracket mounting seat and are used for mounting the rotor assembly and the conical tube; the conical tube mounting holes are uniformly distributed on the periphery of the upper end surface of the conical tube and are used for connecting the conical tube with the end cover assembly; the bearing mounting seat I is arranged in the conical tube and used for supporting and limiting the rotor assembly; the linear bearing A is arranged on the end cover through a bearing mounting seat II; the outer side of the bearing mounting seat II is provided with threads for connecting the end cover with the converter; the end cover is arranged on the conical tube through an end cover mounting hole and is sealed through a sealing boss; the limiting hole I is arranged in the center of the sealing boss and used for limiting the rotor assembly.

the converter comprises an end cover sleeve, a turning plate component connecting screw and a turning plate component; the end cover sleeve is provided with a threaded hole I, a flap assembly mounting groove and a threaded hole II; the turning plate assembly comprises a set screw, an electrode inserting plate, a roller bracket, a sliding rail, a turning plate roller and a sealing plate; the electrode inserting plate comprises a friction material I and an electrode plate; the roller bracket is provided with a roller mounting groove for mounting the plate turning roller; the sliding rail is provided with a sliding chute I, a threaded hole III, a sliding chute II and a sliding rail mounting hole; the flap roller comprises a friction material II, a roller limiting rod and a cylindrical magnet I; the sealing plate is provided with a sealing plate mounting hole for connecting the sealing plate; the turning plate assembly is arranged on the turning plate assembly mounting groove and is connected to the threaded hole II through the matching of a turning plate assembly connecting screw and the threaded hole II; the end cover sleeve is arranged on the end cover through a threaded hole I; the roller bracket is arranged on the sliding rail through a sliding groove I; the turning plate roller is arranged on the roller bracket through a roller mounting groove; the electrode inserting plate is arranged on the sliding rail through a sliding groove II; the sealing plate is arranged on the sliding rail through the matching of the set screw and the threaded hole III and is used for sealing the plate turnover component; the friction material I is adhered to the electrode plate through glue; the friction material I is an electropositive metal material, and can be used as a friction material and a conductive electrode; in the embodiment, the friction material I is made of copper and is rectangular; the cylindrical magnet I is arranged on the roller limiting rod; the friction material II is adhered to the cylindrical magnet I through gluing; the area of the friction material II is half of the area of the circumferential surface of the cylindrical magnet I.

the magnetic rotor comprises a magnet mounting shell, a cylindrical magnet II and a magnet mounting end cover; the cylindrical magnet II is arranged on the magnet mounting shell; the magnet mounting end cover is mounted on the magnet mounting shell through threaded connection and used for sealing the cylindrical magnet II; and a threaded hole IV is formed in the bottom of the magnet mounting shell and is used for being connected with the rotor assembly.

the rotor assembly comprises a linear bearing B, a rotor, a limiting support and a linear bearing C; the rotor is provided with a limiting rod and a balancing weight; the limiting support is provided with a counter bore and a bearing mounting seat III; the linear bearing B is arranged on the bearing mounting seat I and limits the rotor through a limiting rod; the linear bearing C is arranged on the limiting support through a bearing mounting seat III; the limiting support is arranged on the rotor through a limiting rod; the counter bores are uniformly distributed on the periphery of the end face of the limiting support and used for mounting the limiting support.

the invention has the beneficial effects that: the flow detection is mainly based on the principle of frictional electrification and electrostatic induction coupling, and the magnitude of flow can be accurately measured by utilizing the voltage output amplitude signal generated by the turning plate assembly. Meanwhile, the invention uses the flap assembly which has compact structure and convenient control, reduces the friction resistance existing in the mutual movement of the friction units and can quickly respond to the displacement of the rotor in the conical tube. The flap type triboelectric rotor flow meter provided by the invention has important engineering application value for promoting the intelligent development of a pneumatic system and improving the intelligent level of industrial automation equipment in China.

Drawings

FIG. 1 is a schematic view of the overall structure of a flap-type triboelectric rotameter according to the present invention;

FIG. 2 is a partial cross-sectional view showing the overall structure of a flap type triboelectric rotameter according to the present invention;

FIG. 3 is a schematic view of a tapered tube structure of a flap-type triboelectric rotameter according to the present invention;

FIG. 4 is a schematic structural view of an end cover assembly of a flap-type triboelectric rotameter according to the present invention;

FIG. 5 is a top view of an end cap structure of a flap-type triboelectric rotameter according to the present invention;

FIG. 6 is a bottom view of an end cap structure of a flap-type triboelectric rotameter according to the present invention;

FIG. 7 is a cross-sectional view of a transducer structure of a flap-type triboelectric rotameter according to the present invention;

FIG. 8 is a schematic view of the end cap sleeve structure of a flap-type triboelectric rotameter according to the present invention;

FIG. 9 is a schematic structural diagram of a flap assembly of a flap-type triboelectric rotameter according to the present invention;

FIG. 10 is a schematic view of an electrode insert plate structure of a flap-type triboelectric rotameter according to the present invention;

FIG. 11 is a schematic view of a roller support structure of a flap-type triboelectric rotameter according to the present invention;

FIG. 12 is a schematic diagram of a slide rail structure of a flap-type triboelectric rotameter according to the present invention;

FIG. 13 is a schematic diagram of a flap roller structure of a flap-type triboelectric rotameter according to the present invention;

FIG. 14 is a schematic view showing a sealing plate structure of a flap-type triboelectric rotameter according to the present invention;

FIG. 15 is a schematic view of a magnetic rotor structure of a flap-type triboelectric rotameter according to the present invention;

FIG. 16 is a schematic view of a magnet mounting case of a flap-type triboelectric rotameter according to the present invention;

FIG. 17 is a schematic view of a rotor assembly of a flap-type triboelectric rotameter according to the present invention;

FIG. 18 is a schematic view of a rotor structure of a flap-type triboelectric rotameter according to the present invention;

Fig. 19 is a schematic diagram of a limit support structure of a flap-type triboelectric rotameter according to the present invention.

Detailed Description