Multipurpose floater gas mass flow meter

Abstract

The utility model relates to the technical field of flowmeter calibration, in particular to a multipurpose floater gas mass flowmeter which comprises a conical transparent pipe assembly, a floater assembly is rotatably connected in the conical transparent pipe assembly, and the upper end of the floater assembly is fixedly connected with a driven assembly. The two ends of the driven assembly are fixedly connected with volume flow monitoring assemblies, the upper end of the conical transparent pipe assembly is further fixedly connected with a thermal mass compensation assembly, and liquid in the volume flow monitoring assembly on one side of the driven assembly flows into the volume flow monitoring assembly on the other side through position changes of the floater assembly. The change condition of the volume flow is known by observing the volume flow monitoring assemblies on the two sides, and the thermal mass compensation assembly ascends or descends through the temperature change of gas in the conical transparent pipe assembly, so that the change condition of the thermal conductivity of the gas is further achieved. The limitation that a traditional float flowmeter is single in measurement mode is broken through.

Description

TECHNICAL FIELD

[0001] The utility model relates to flowmeter calibration technical field, concretely is a multipurpose float gas mass flowmeter. BACKGROUND

[0002] Float flowmeter (also known as rotameter) is a traditional variable area flow measuring device, when the flow changes, the annular flow area formed between the cone pipe and the float changes when the float moves up and down in the vertical cone pipe, thereby realizing the volumetric flow meter for flow measurement. It has the advantages of simple mechanical structure, convenient processing, stable operation, high reliability and small pressure loss, especially can measure low Reynolds number small flow medium, therefore, it is widely used in the industrial fields of petroleum, coal, metallurgy, light industry, food hygiene and the like;

[0003] The existing gas flow device for calibrating float flowmeter disclosed in CN222336496U comprises: a gas generator; a pressure control assembly; a flow regulating valve for regulating the flow of gas medium; a standard component assembly comprising at least a first standard, a first valve body connecting the first standard and the measured float flowmeter, and a second standard and a second valve body connecting the second standard and the measured float flowmeter, the first standard having a different range than the second standard, and the measured float flowmeter being selectively connected to the first valve body or the second valve body; a controller, the pressure control assembly, the flow regulating valve and the standard component assembly being connected to the controller. The standard component assembly with at least two ranges can be replaced without the need to separately connect the standard component of the range, only the opening and closing of the valve body of the corresponding standard component through the controller is needed, and the structure is simple, the operation is convenient, the automation is high, and the work efficiency is improved.

[0004] The existing float gas mass flowmeter mainly has the following shortcomings:

[0005] The existing float flowmeter has a single measurement mode, which is only suitable for clean single-phase fluid (such as water or air), and the measurement error of high-viscosity liquid, particle-containing medium or gas-liquid two-phase flow is significantly increased. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a multipurpose float gas mass flowmeter to solve the problems in the above background technology.

[0007] To achieve the above utility model purposes, the utility model adopts the following technical solutions:

[0008] Provided is a multipurpose float gas mass flowmeter, comprising a conical transparent tube assembly, a float assembly is rotatably connected in the conical transparent tube assembly, a driven assembly is fixedly connected to the upper end of the float assembly, volumetric flow monitoring assemblies are fixedly connected to the two ends of the driven assembly, and a thermal mass compensation assembly is also fixedly connected to the upper end of the conical transparent tube assembly.

[0009] Further, the conical transparent tube assembly comprises:

[0010] A transparent tube body, an inner cover is fixedly connected in the upper end of the transparent tube body, an outer connecting cover is fixedly connected to the outer side of the inner cover, the driven assembly is fixedly connected to the inner cover, and the thermal mass compensation assembly is fixedly connected to the inner cover.

[0011] Further, the float assembly comprises:

[0012] A float body, a sliding block is fixedly connected to the upper end of the float body, the float body and the sliding block are slidably connected with a guide rod, a spiral sliding groove is formed in the guide rod, a protruding block is fixedly connected to the inner side of the sliding block, the protruding block is slidably connected in the spiral sliding groove, and the guide rod is rotatably connected to the lower end of the transparent tube body.

[0013] Further, the driven assembly comprises:

[0014] Two gears, the two gears are rotatably connected in a sealed cavity, the sealed cavity is fixedly connected to the inner cover, a water inlet and a water outlet are respectively formed in the two sides of the sealed cavity, and

[0015] The volumetric flow monitoring assembly comprises:

[0016] Two scale tubes one, one end of the reset spring is fixedly connected to the bottom of the two scale tubes one, the other end of the reset spring is fixedly connected to a pointer one, the pointer one is fixedly connected to one end of a connecting rod, the other end of the connecting rod is fixedly connected to a piston one, the top of the two scale tubes one is provided with an opening, and the top of the two scale tubes one is fixedly connected with the water inlet and the water outlet.

[0017] Further, the thermal mass compensation assembly comprises:

[0018] A sealing tube, a piston two is slidably connected in the sealing tube, the piston two is fixedly connected to the lower end of a connecting shaft, the upper end of the connecting shaft is fixedly connected to a pointer two, a scale tube two is fixedly connected to the upper end of the outer connecting cover, and the pointer two is arranged in the scale tube two.

[0019] Compared with the prior art, the multipurpose float gas mass flowmeter has the beneficial effects that:

[0020] 1. The position change of the float assembly makes the driven assembly rotate, and then the liquid in the volume flow monitoring assembly on one side of the driven assembly flows into the volume flow monitoring assembly on the other side, the change of the volume flow is known by observing the volume flow monitoring assemblies on both sides, and the thermal conductivity of the gas changes by the change of the gas temperature in the conical transparent tube assembly, the design breaks through the limitation of the single measurement mode of the traditional float flowmeter by deeply coupling mechanical transmission and thermodynamic compensation.

[0021] 2. The rotation of the guide rod drives the gear fixedly connected with the upper end of the guide rod to rotate, the water stored in the scale tube one on one side of the sealed cavity enters the sealed cavity from the water inlet and enters the scale tube one on the other side from the water outlet, the piston one is pushed to move, and then the pointer one is driven to move, the change of the volume flow is judged by observing the moving distance of the pointer one, there is no electronic sensor or vulnerable part, and the design is suitable for high humidity and dusty environment. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is an overall three-dimensional structure schematic view of the utility model;

[0023] Figure 2 It is an overall three-dimensional structure exploded schematic view of the utility model;

[0024] Figure 3 It is an overall three-dimensional structure schematic view of the float assembly of the utility model;

[0025] Figure 4 It is an overall three-dimensional structure top view of the sliding block of the utility model;

[0026] Figure 5 It is an overall three-dimensional structure schematic view of the driven assembly of the utility model;

[0027] Figure 6 It is an overall three-dimensional structure exploded schematic view of the volume flow monitoring assembly of the utility model;

[0028] Figure 7 It is an overall three-dimensional structure exploded schematic view of the thermal mass compensation assembly of the utility model.

[0029] In the drawings, the parts represented by each reference number are listed as follows:

[0030] 1. The conical transparent tube assembly; 11. The transparent tube body; 12. The inner cover; 13. The outer connecting cover;

[0031] 2. The float assembly; 21. The float body; 22. The sliding block; 221. The protruding block; 23. The guide rod; 231. The spiral sliding groove;

[0032] 3, driven assembly; 31, gear; 32, sealed cavity; 321, water inlet; 322, water outlet;

[0033] 4, volumetric flow monitoring assembly; 41, scale tube one; 42, return spring; 43, pointer one; 44, connecting rod; 45, piston one;

[0034] 5, thermal mass compensation assembly; 51, sealed tube; 52, piston two; 53, connecting shaft; 54, pointer two; 55, scale tube two. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0036] Referring to Figures 1-2 Fig. 1, a multipurpose float gas mass flowmeter comprises a conical transparent tube assembly 1, a float assembly 2 is rotatably connected in the conical transparent tube assembly 1, a driven assembly 3 is fixedly connected to the upper end of the float assembly 2, volumetric flow monitoring assemblies 4 are fixedly connected to the two ends of the driven assembly 3, and a thermal mass compensation assembly 5 is also fixedly connected to the upper end of the conical transparent tube assembly 1. The position change of the float assembly 2 makes the driven assembly 3 rotate, and then the liquid in the volumetric flow monitoring assembly 4 on one side of the driven assembly 3 flows into the volumetric flow monitoring assembly 4 on the other side. The change of volumetric flow can be known by observing the volumetric flow monitoring assemblies 4 on both sides. The thermal mass compensation assembly 5 rises or falls due to the change of gas temperature in the conical transparent tube assembly 1, and then the change of gas thermal conductivity occurs.

[0037] The conical transparent tube assembly 1 comprises:

[0038] A transparent tube body 11, an inner cover 12 is fixedly connected to the inner measurement of the upper end of the transparent tube body 11, an outer connecting cover 13 is fixedly connected to the outer side of the inner cover 12, the driven assembly 3 is fixedly connected to the inner cover 12, and the thermal mass compensation assembly 5 is fixedly connected to the inner cover 12. The inner cover 12 is fixedly connected to the inner measurement of the upper end of the transparent tube body 11, the outer connecting cover 13 is fixedly connected to the outer side of the inner cover 12, the driven assembly 3 is fixedly connected to the inner cover 12, and the thermal mass compensation assembly 5 is fixedly connected to the inner cover 12.

[0039] Referring to Figures 3-4 Fig. 2, the float assembly 2 comprises:

[0040] The float body 21 is fixedly connected with a sliding block 22 at the upper end, and the float body 21 and the sliding block 22 are slidably connected with a guide rod 23, the guide rod 23 is provided with a spiral sliding groove 231 at the upper end, the sliding block 22 is fixedly connected with a protrusion 221 at the inner side, the protrusion 221 is slidably connected in the spiral sliding groove 231, and the guide rod 23 is rotatably connected with the lower end of the transparent tube body 11.

[0041] With reference to Figure 5 The driven assembly 3 comprises:

[0042] Two gears 31 are rotatably connected in a sealed cavity 32, the sealed cavity 32 is fixedly connected with the inner cover 12, and the sealed cavity 32 is provided with a water inlet 321 and a water outlet 322 at the two sides respectively.

[0043] With reference to Figure 6 The volume flow monitoring assembly 4 comprises:

[0044] Two scale tubes 41 are fixedly connected with a reset spring 42 at the bottom, the other end of the reset spring 42 is fixedly connected with a pointer 43, the pointer 43 is fixedly connected with one end of a connecting rod 44, the other end of the connecting rod 44 is fixedly connected with a piston 45, the top of the two scale tubes 41 is provided with an opening, and the top of the two scale tubes 41 is fixedly connected with the water inlet 321 and the water outlet 322 respectively. The rotation of the guide rod 23 drives the rotation of the gear 31 fixedly connected with the upper end of the guide rod 23, the meshing of the two gears 31 enables the water stored in the scale tube 41 on one side of the sealed cavity 32 to enter the sealed cavity 32 from the water inlet 321 and enter the scale tube 41 on the other side from the water outlet 322, the piston 45 is driven to move, thereby driving the pointer 43 to move, and the change of the volume flow is determined by observing the moving distance of the pointer 43.

[0045] With reference to Figure 7 The thermal mass compensation assembly 5 comprises:

[0046] A sealed tube 51 is slidably connected with a piston 52, the piston 52 is fixedly connected with a lower end of a connecting shaft 53, an upper end of the connecting shaft 53 is fixedly connected with a pointer 54, an upper end of the outer connecting cover 13 is fixedly connected with a scale tube 55, and the pointer 54 is arranged in the scale tube 55. The temperature change in the transparent tube body 11 causes the volume change of the gas in the sealed tube 51, and then the piston 52 is pushed to move, the pointer 54 is driven to move through the movement of the piston 52, and the change of the thermal conductivity of the gas can be obtained through the scale on the scale tube 55 pointed by the pointer 54.

[0047] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A multipurpose float gas mass flowmeter characterized by: The utility model provides a kind of multi-purpose float gas mass flowmeter, including conical transparent tube component (1), the float component (2) is rotatably connected in the conical transparent tube component (1), the upper end of the float component (2) is fixedly connected with driven component (3), the both ends of the driven component (3) are fixedly connected with volume flow monitoring component (4), the upper end of the conical transparent tube component (1) is also fixedly connected with thermal type mass compensation component (5).

2. The multi-purpose float gas mass flowmeter according to claim 1, wherein: The conical transparent tube component (1) comprises: A transparent tube body (11) is fixedly connected with an inner cover (12) at the upper end thereof, the outer side of the inner cover (12) is fixedly connected with an outer connecting cover (13), the driven component (3) is fixedly connected to the inner cover (12), and the thermal type mass compensation component (5) is fixedly connected to the inner cover (12).

3. The multi-purpose float gas mass flowmeter according to claim 2, wherein: The float component (2) comprises: A float body (21) is fixedly connected with a sliding block (22) at the upper end thereof, the float body (21) and the sliding block (22) are slidably connected with a guide rod (23), the guide rod (23) is provided with a spiral sliding groove (231) at the upper end thereof, the inner side of the sliding block (22) is fixedly connected with a protrusion (221), the protrusion (221) is slidably connected in the spiral sliding groove (231), and the guide rod (23) is rotatably connected to the lower end of the transparent tube body (11).

4. The multi-purpose float gas mass flowmeter according to claim 3, wherein: The driven component (3) comprises: Two gears (31) are rotatably connected in a sealed cavity (32), the sealed cavity (32) is fixedly connected to the inner cover (12), the both sides of the sealed cavity (32) are respectively provided with a water inlet (321) and a water outlet (322); and The volume flow monitoring component (4) comprises: Two scale tubes (41) are fixedly connected with one end of a return spring (42) at the bottom thereof, the other end of the return spring (42) is fixedly connected with a pointer (43), the pointer (43) is fixedly connected with one end of a connecting rod (44), the other end of the connecting rod (44) is fixedly connected with a piston (45), the top of the two scale tubes (41) is provided with an opening, and the top of the two scale tubes (41) is respectively fixedly connected with the water inlet (321) and the water outlet (322).

5. The multi-purpose float gas mass flowmeter according to claim 4, wherein: The thermal type mass compensation component (5) comprises: A sealed tube (51), the piston two (52) is slidably connected in the sealed tube (51), the piston two (52) is fixedly connected with the lower end of the connecting shaft (53), the upper end of the connecting shaft (53) is fixedly connected with the pointer two (54), the upper end of the outer connecting cover (13) is fixedly connected with the scale tube two (55), the pointer two (54) is arranged in the scale tube two (55).

Images