CN220251089U - Structure capable of rapidly calculating section flow - Google Patents

Abstract

The utility model discloses a structure capable of rapidly calculating section flow, which comprises a flowmeter, wherein a transmission device is arranged at a bottom medium passing position of the flowmeter, a rotating speed sensor is arranged at the outer side of the flowmeter, the transmission device comprises two groups of side flanges, a hollow pipe arranged in the middle of the two groups of side flanges and a middle rod arranged in the middle of the hollow pipe, connecting plates fixed with the hollow pipe are arranged on two sides of the middle rod, a sleeve is sleeved on the outer side of the middle rod, one end of the rotating speed sensor is electrically connected with a probe, a blade drives the sleeve and a detection gear to rotate, the probe on one side can detect the rotating speed of the detection gear and transmit data into the rotating speed sensor to obtain real-time rotating speed data, and the rotating speed data and the volume of the medium passing through the transmission device are calculated to obtain flow data in unit time in the section.

Description

Structure capable of rapidly calculating section flow

Technical Field

The utility model relates to the field of a section flow calculating device, in particular to a structure capable of rapidly calculating section flow.

Background

The turbine flowmeter is a speed type flow metering device with temperature and pressure compensation functions, belongs to one of speed type flowmeters, and has the following working principle: the power of the flowing fluid drives the turbine blades to rotate at a rotational speed approximately proportional to the volumetric flow rate, and the volumetric indication of the fluid through the meter is based on the number of turbine wheel revolutions.

For this purpose, the application number: CN202220004581.6 discloses a turbine flowmeter, relates to flow detection technical field, and when no gas is inside through the connecting pipe, the cushion no longer receives the promotion of external force, and the spring just can bullet promote the stopper and reset, and the stopper can stimulate the connecting rod and drive the cushion and reset, supports tightly once more to the connecting pipe, so realized, the cushion is supported tightly the connecting pipe all the time before the installation, and then can prevent the inside of external foreign matter entering connecting pipe, reduces the influence phenomenon of foreign matter to flow detection.

However, the above solution still has a certain defect, and the inventor finds that in actual use, the turbine flowmeter cannot guarantee consistency due to tightness of the internal impeller during installation, so that errors are caused in data during flow detection under the influence of friction force and medium fluctuation, and the flow cannot be accurately detected, so that the detection efficiency is reduced.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a structure capable of rapidly calculating the cross-section flow, a transmission device is arranged, a plurality of groups of arc-shaped blade structures are adopted in the structure, blades are driven to rotate through the inside by media, the blades drive a sleeve and a detection gear to rotate, a probe on one side can detect the rotation speed of the detection gear and transmit data to a rotation speed sensor to obtain real-time rotation speed data, and the real-time rotation speed data and the volume of the passing media are calculated to obtain the flow data in unit time in the cross section, so that the cross-section flow is obtained.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a but structure of quick calculation cross-section flow, includes the flowmeter, the bottom medium of flowmeter is provided with transmission through the department, the outside of flowmeter is provided with rotation speed sensor, including two sets of side flanges, set up in the hollow tube at two sets of side flange middle parts, set up the center pin at the middle part in the hollow tube in transmission, the both sides of center pin all are provided with the connecting plate fixed with the hollow tube, the outside cover of center pin is equipped with the sleeve pipe, the sheathed tube outside is fixed with the blade, sheathed tube end cover is equipped with detection gear, rotation speed sensor's one end and probe electric connection.

As a preferable technical scheme of the utility model, the sizes of the two groups of side flanges are matched with those of the flowmeter, the hollow pipe and the side wall of the flowmeter are provided with hole groove structures, the probe is arranged in the hole groove, and the outer side of the probe and the hole groove are subjected to sealing treatment.

As a preferable technical scheme of the utility model, the connecting plates are equidistantly arranged in a plurality of groups, and the middle parts of the side flanges are recessed inwards.

As a preferable technical scheme of the utility model, the blades are distributed on the sleeve in an array manner, and each group of blades is in a spiral shape, and the pitch of the blades is less than half of the length of the sleeve.

As a preferable embodiment of the present utility model, the blade length is a length from the center rod to an inner diameter of the hollow tube.

As a preferable technical scheme of the utility model, the rotation speed sensor is an optical fiber type rotation speed sensor component.

Compared with the prior art, the utility model has the following beneficial effects:

in this device, through the transmission that sets up, inside adoption multiunit arc blade structure, it rotates through inside drive blade through the medium, the blade drives sleeve pipe and detects the gear and rotate, and the probe of one side can carry out the rotational speed detection to detecting the gear, and in data transmission to rotation speed sensor, obtain real-time rotational speed data, and calculate with the medium volume of passing through, obtain the flow data in the unit time in the cross-section, obtain the cross-section flow, and compare with current structure, this device pivoted in-process reduces the influence that the structure friction produced data, the precision of improvement detection, convenient to use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a transmission mechanism according to the present utility model;

fig. 3 is a structural exploded view of the transmission device of the present utility model.

Wherein: 1. a flow meter; 2. a transmission device; 21. a side flange; 22. a hollow tube; 23. a middle rod; 24. a connecting plate; 25. a sleeve; 26. a blade; 27. detecting a gear; 3. a rotation speed sensor; 31. a probe.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

as shown in fig. 1-3, the utility model provides a structure capable of rapidly calculating the cross-sectional flow, which comprises a flowmeter 1, wherein a transmission device 2 is arranged at a bottom medium passing position of the flowmeter 1, a rotation speed sensor 3 is arranged at the outer side of the flowmeter 1, the transmission device 2 comprises two groups of side flanges 21, a hollow pipe 22 arranged at the middle part of the two groups of side flanges 21, and a middle rod 23 arranged at the inner middle part of the hollow pipe 22, connecting plates 24 fixed with the hollow pipe 22 are arranged at two sides of the middle rod 23, a sleeve 25 is sleeved at the outer side of the middle rod 23, blades 26 are fixed at the outer side of the sleeve 25, a detection gear 27 is sleeved at the tail end of the sleeve 25, and one end of the rotation speed sensor 3 is electrically connected with a probe 31.

In other embodiments, the dimensions of the two sets of side flanges 21 are matched with those of the flowmeter 1, the hollow tube 22 and the side wall of the flowmeter 1 are provided with hole groove structures, the probe 31 is arranged in the hole groove, the outer side of the probe 31 and the hole groove are subjected to sealing treatment, a plurality of sets of connecting plates 24 are arranged in an equidistant array, and the middle parts of the side flanges 21 are recessed inwards; through the transmission 2 that sets up, inside adoption multiunit arc blade 26 structure, it rotates through inside drive blade 26 to pass through the medium, blade 26 drives sleeve pipe 25 and detects gear 27 and rotate, and the probe 31 of one side can carry out the rotation speed detection to detecting gear 27, and in data transfer to rotation speed sensor 3, obtain real-time rotational speed data, and calculate with the medium volume of passing through, obtain the flow data in the unit time in the cross-section, obtain the cross-section flow, and compare with current structure, this device pivoted process reduces the influence that the structure friction produced data, the precision of data is improved, the precision of improvement detection, convenient to use.

In other embodiments, the blades 26 are arrayed on the sleeve 25, and each set of blades 26 is helical with a pitch less than half the length of the sleeve 25. The structure of the blades 26 with smaller pitch can enlarge the number of the blades 26 on the sleeve 25 and improve the rotation effect.

In other embodiments, the length of the vane 26 is the length of the center rod 23 to the inner diameter of the hollow tube 22; the rotation speed sensor 3 is an optical fiber type rotation speed sensor assembly. The rotational speed sensor 3 in this case may be a FS-5500/540 fiber optic rotational speed sensor assembly. And the contact between the outer side walls of the blades 26 and the hollow tube 22 is maintained, the contact effect of the medium and the blades 26 can be improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a but structure of quick calculation cross-section flow, includes flowmeter (1), its characterized in that: the bottom medium of flowmeter (1) is provided with transmission (2) through the department, the outside of flowmeter (1) is provided with rotation speed sensor (3), including two sets of side flange (21), set up hollow tube (22) at two sets of side flange (21) middle parts, set up middle pole (23) at the middle part in hollow tube (22), the both sides of middle pole (23) all are provided with connecting plate (24) fixed with hollow tube (22), the outside cover of middle pole (23) is equipped with sleeve pipe (25), the outside of sleeve pipe (25) is fixed with blade (26), the end cover of sleeve pipe (25) is equipped with detection gear (27), the one end and the probe (31) electric connection of rotation speed sensor (3).

2. A structure for rapidly calculating a cross-sectional flow rate according to claim 1, wherein: the two groups of side flanges (21) are matched with the flowmeter (1) in size, the hollow tube (22) and the side wall of the flowmeter (1) are provided with hole groove structures, the probe (31) is arranged in the hole groove, and the outer side of the probe (31) and the hole groove are subjected to sealing treatment.

3. A structure for rapidly calculating a cross-sectional flow rate according to claim 1, wherein: the connecting plates (24) are arranged in a plurality of groups in an equidistant array, and the middle parts of the side flanges (21) are recessed inwards.

4. A structure for rapidly calculating a cross-sectional flow rate according to claim 1, wherein: the blades (26) are distributed in an array on the sleeve (25), and each group of blades (26) is in a spiral shape, and the pitch is less than half of the length of the sleeve (25).

5. A structure for rapidly calculating a cross-sectional flow rate according to claim 1, wherein: the length of the blade (26) is the length from the middle rod (23) to the inner diameter of the hollow tube (22).

6. A structure for rapidly calculating a cross-sectional flow rate according to claim 1, wherein: the rotating speed sensor (3) is an optical fiber type rotating speed sensor component.