CN211373722U

CN211373722U - Horizontal flow direction gas flow measurement sensor array structure in flat rectangular air duct

Info

Publication number: CN211373722U
Application number: CN202020387813.1U
Authority: CN
Inventors: 史志立; 李元珠
Original assignee: Dosypower Technology Co ltd
Current assignee: Dosypower Technology Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-08-28
Anticipated expiration: 2030-03-24

Abstract

The utility model discloses a horizontal flow is to gaseous flow measurement sensor array structure in flat rectangle wind channel, including a plurality of sensors, it is a plurality of crisscross evenly distributed about the sensor is in proper order, adjacent two all be connected with third combination pipe between the sensor, be located both ends equal fixedly connected with second combination pipe on the sensor, it is a pair of be connected with first combination pipe between the second combination pipe, array structure is symmetrical about the axis of first combination pipe, the sensor includes malleation collection pipe and negative pressure collection pipe, malleation collection intraductal connection has first weight, negative pressure collection intraductal connection has the second weight, first combination pipe includes first positive pressure pipe and first negative pressure pipe. The utility model discloses a sensor array structure of "W type" through even crisscross distribution about a plurality of sensors, can promote horizontal flow to gas flow measurement's accuracy and comprehensiveness in flat rectangle wind channel by a wide margin.

Description

Horizontal flow direction gas flow measurement sensor array structure in flat rectangular air duct

Technical Field

The utility model belongs to the technical field of gas flow measurement, horizontal flow is to gas flow measurement sensor array structure in concretely relates to flat rectangle wind channel.

Background

At present, an instrument for measuring air flow has various forms, the working principle is mostly measured by adopting a throttling principle, and a throttling piece is installed in a gas pipeline in a matching way so as to measure the air flow; for stable fluid, the square root of a differential pressure value generated by the throttling element is in direct proportion to the gas flow rate, the pressure difference signal generated by the throttling element is converted into a gas flow rate and flow rate signal through an instrument, a positive pressure pipe and a negative pressure pipe are generally adopted for pressure sampling in practical application, and the numerical value of the gas flow rate can be obtained through a corresponding algorithm.

In order to obtain a relatively accurate gas flow value, a plurality of groups of sensors are generally installed in the air channel, so that a relatively comprehensive gas flow value can be obtained, when the gas flow is measured in a horizontal flow direction in the flat rectangular air channel, a plurality of sensors are generally uniformly distributed in the air channel side by side in the prior art, the plurality of sensors are positioned on the same straight line, and the arrangement mode is difficult to obtain an accurate value due to the fact that components in the air channel are uneven.

Therefore, in order to solve the above technical problems, it is necessary to provide a horizontal flow direction gas flow measurement sensor array structure in a flat rectangular air duct.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a horizontal flow is to gas flow measurement sensor array structure in the flat rectangle wind channel to solve foretell problem.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

horizontal flow is to gas flow measurement sensor array structure in flat rectangle wind channel, including a plurality of sensors, it is a plurality of crisscross evenly distributed about the sensor is in proper order, adjacent two all be connected with the third combination pipe between the sensor, be located both ends equal fixedly connected with second combination pipe on the sensor, it is a pair of be connected with first combination pipe between the second combination pipe, array structure is about the axis symmetry of first combination pipe.

In one embodiment, the sensor comprises a positive pressure collecting tube and a negative pressure collecting tube, wherein a first weight is connected in the positive pressure collecting tube, and a second weight is connected in the negative pressure collecting tube.

In one embodiment, the first combined pipe comprises a first positive pressure pipe and a first negative pressure pipe, the second combined pipe comprises a second positive pressure pipe and a second negative pressure pipe, the third combined pipe comprises a third positive pressure pipe and a third negative pressure pipe, the third positive pressure pipe, the second positive pressure pipe, the first positive pressure pipe and the positive pressure collecting pipe are communicated with each other, and the third negative pressure pipe, the second negative pressure pipe, the first negative pressure pipe and the negative pressure collecting pipe are communicated with each other.

In one embodiment, the upper end of the first positive pressure pipe is fixedly connected with a positive pressure output end, and the upper end of the first negative pressure pipe is fixedly connected with a negative pressure output end.

In one embodiment, a flange is connected between the first combination pipe and the pair of second combination pipes.

Compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses a sensor array structure of "W type" through even crisscross distribution about a plurality of sensors, can promote horizontal flow to gas flow measurement's accuracy and comprehensiveness in flat rectangle wind channel by a wide margin.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a horizontal flow direction gas flow measurement sensor array structure in a flat rectangular air duct according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure at A-A in FIG. 1;

FIG. 3 is a schematic view of the structure at B-B in FIG. 1;

fig. 4 is a schematic structural diagram of the structural installation of the horizontal flow direction gas flow measurement sensor array structure in the flat rectangular air duct in the embodiment of the present invention.

In the figure: 01. the device comprises a flange, 1, a first combined pipe, 2, a second combined pipe, 3, a third combined pipe, 4, a positive pressure output end, 5, a negative pressure output end, 6, a sensor, 7, a positive pressure collecting pipe, 8, a negative pressure collecting pipe, 9, a first heavy hammer and 10, a second heavy hammer.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.

The utility model discloses a horizontal flow is to gas flow measurement sensor array structure in flat rectangle wind channel, including a plurality of sensors 6, it is shown to refer to fig. 3, sensor 6 includes that the malleation is gathered pipe 7 and negative pressure and is gathered pipe 8, the malleation is gathered 7 in-connections of pipe and is had

first weight

9, 8 in-connections of negative pressure are gathered pipe and are had second weight 10, but first weight 9 and second weight 10 can swing under the effect that the wind flowed, be convenient for realize gathering 7 and 8 striking of negative pressure collection pipe to the malleation, in the great flue of dust, be difficult for causing piling up of dust.

Referring to fig. 1, a plurality of sensors 6 are sequentially and uniformly distributed in an up-down staggered manner, a third combined pipe 3 is connected between every two adjacent sensors 6, second combined pipes 2 are fixedly connected to the sensors 6 at the two ends, a first combined pipe 1 is connected between each pair of second combined pipes 2, the array structure is symmetrical about the central axis of the first combined pipe 1, and as can be seen from fig. 3, the plurality of sensors 6 are distributed in a W shape, and are sequentially distributed one above the other, so that the coverage range is more comprehensive.

Referring to fig. 1 to 2, the first combination pipe 1 includes a first positive pressure pipe and a first negative pressure pipe, the second combination pipe 2 includes a second positive pressure pipe and a second negative pressure pipe, the third combination pipe 3 includes a third positive pressure pipe and a third negative pressure pipe, the plurality of third positive pressure pipes, the second positive pressure pipe, the first positive pressure pipe and the positive pressure collecting pipe 7 are communicated with each other, and the plurality of third negative pressure pipes, the second negative pressure pipe, the first negative pressure pipe and the negative pressure collecting pipe 8 are communicated with each other, so that the negative pressure signals and the positive pressure signals of all the sensors 6 can be integrated and transmitted respectively.

The first combination pipe 1, the second combination pipe 2 and the third combination pipe 3 not only have the function of sensing positive and negative pressure signals, but also have the function of fixing the sensor 6, the upper end of the first positive pressure pipe is fixedly connected with a positive pressure output end 4, the upper end of the first negative pressure pipe is fixedly connected with a negative pressure output end 5, the positive pressure output end 4 and the negative pressure output end 5 can be connected with a differential transformer, and related setting is carried out by technicians in the field, so that related gas flow data information can be obtained.

Referring to fig. 1 or 4, a flange 01 is connected between the first combined pipe 1 and the pair of second combined pipes 2, the flange 01 is used for fixedly connecting the first combined pipe 1, the second combined pipe 2 and the third combined pipe 3 in the flue, referring to fig. 4, the gas flow direction is vertical to the paper surface inwards, and the array structure can collect relatively comprehensive data information in the flat rectangular air flue.

According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has:

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Horizontal flow is to gas flow measurement sensor array structure in flat rectangle wind channel, including a plurality of sensors (6), its characterized in that, a plurality of crisscross evenly distributed about sensor (6) is in proper order, adjacent two all be connected with third composite tube (3) between sensor (6), be located both ends equal fixedly connected with second composite tube (2) on sensor (6), it is a pair of be connected with first composite tube (1) between second composite tube (2), the array structure is symmetrical about the axis of first composite tube (1).

2. The sensor array structure for measuring the horizontal flow of gas in the flat rectangular air duct according to claim 1, wherein the sensor (6) comprises a positive pressure collection pipe (7) and a negative pressure collection pipe (8), the positive pressure collection pipe (7) is internally connected with a first weight (9), and the negative pressure collection pipe (8) is internally connected with a second weight (10).

3. The array structure of the horizontal flow direction gas flow measurement sensor in the flat rectangular air duct according to claim 1, wherein the first combined pipe (1) comprises a first positive pressure pipe and a first negative pressure pipe, the second combined pipe (2) comprises a second positive pressure pipe and a second negative pressure pipe, the third combined pipe (3) comprises a third positive pressure pipe and a third negative pressure pipe, a plurality of the third positive pressure pipe, the second positive pressure pipe, the first positive pressure pipe and the positive pressure collecting pipe (7) are communicated with each other, and a plurality of the third negative pressure pipe, the second negative pressure pipe, the first negative pressure pipe and the negative pressure collecting pipe (8) are communicated with each other.

4. The sensor array structure for measuring the horizontal flow direction gas flow in the flat rectangular air duct according to claim 3, wherein a positive pressure output end (4) is fixedly connected to the upper end of the first positive pressure pipe, and a negative pressure output end (5) is fixedly connected to the upper end of the first negative pressure pipe.

5. The array structure of the horizontal flow gas flow measurement sensor in the flat rectangular air duct according to claim 1, wherein a flange (01) is connected between the first combined pipe (1) and the pair of second combined pipes (2).