阅读说明：本技术 一种集成阵列式热电偶束的三维立体测温装置及方法 (Three-dimensional temperature measuring device and method of integrated array type thermocouple bundle ) 是由 郭耸 周筠 刘洪胜 李晨晨 陈舒馨 陈学兵 陈苗苗 翁哲帆 于 2019-08-26 设计创作，主要内容包括：本发明属于热电偶式测温领域,具体涉及一种集成阵列式热电偶束的三维立体测温装置及方法。装置包括矩形框架底盘,矩形支撑架,铝合金热电偶架台,保护套管,长方体金属卡扣,热电偶数据采集器；矩形支撑架竖直设置在矩形框架底盘中部的上端,矩形支撑架的一侧纵向方向上均匀分布有多个铝合金热电偶架台,多个铝合金热电偶架台平行设置,每个铝合金热电偶架台设置有多个长方体金属卡扣,每个长方体金属卡扣内均设有保护套管,保护套管内设热电偶；热电偶后端连接有热电偶数据采集器。本发明的测温装置,在满足零维、一维、二维温度的测量条件下,实现三维立体空间温度测量,并具有灵活性、易拆卸性,大幅增加了测点数量,使实验方法具有多样性。(The invention belongs to the field of thermocouple type temperature measurement, and particularly relates to a three-dimensional temperature measurement device and method of an integrated array type thermocouple beam. The device comprises a rectangular frame chassis, a rectangular support frame, an aluminum alloy thermocouple stand, a protective sleeve, a cuboid metal buckle and a thermocouple data collector; the rectangular support frame is vertically arranged at the upper end of the middle part of the rectangular frame chassis, a plurality of aluminum alloy thermocouple stand platforms are uniformly distributed on one side of the rectangular support frame in the longitudinal direction, the aluminum alloy thermocouple stand platforms are arranged in parallel, each aluminum alloy thermocouple stand platform is provided with a plurality of cuboid metal buckles, each cuboid metal buckle is internally provided with a protective sleeve, and a thermocouple is arranged in each protective sleeve; the rear end of the thermocouple is connected with a thermocouple data collector. The temperature measuring device provided by the invention can realize three-dimensional space temperature measurement under the condition of meeting zero-dimensional, one-dimensional and two-dimensional temperature measurement conditions, has flexibility and easy disassembly, greatly increases the number of measuring points, and enables the experimental method to have diversity.)

1. The three-dimensional temperature measuring device is characterized by comprising a rectangular frame chassis (2), a rectangular support frame (3), an aluminum alloy thermocouple stand (4), a protective sleeve (5), a cuboid metal buckle (6) and a thermocouple data collector (8);

the rectangular support frame (3) is vertically arranged at the upper end of the middle part of the rectangular frame chassis (2), a plurality of aluminum alloy thermocouple stand platforms (4) are uniformly distributed in the longitudinal direction of one side of the rectangular support frame (3), the aluminum alloy thermocouple stand platforms (4) are arranged in parallel, each aluminum alloy thermocouple stand platform (4) is provided with a plurality of cuboid metal buckles (6), a protective sleeve (5) is arranged in each cuboid metal buckle (6), and a thermocouple is arranged in each protective sleeve (5); the rear end of the thermocouple is connected with a thermocouple data collector (8).

2. Device according to claim 1, characterized in that the lengths of the protective sleeves (5) are different, as are the lengths of the corresponding thermocouples.

3. The device as claimed in the preceding claim, wherein the rectangular metal buckle (6) is arranged between the protective sleeve (5) and the aluminum alloy thermocouple support (4), the center is a circular hole for accommodating three steel pipes, a gap of 1-3mm is formed above the circular hole, a bolt penetrates through the vertical direction in the middle of the buckle, two nuts are respectively arranged at the two end openings of the metal buckle (6), the metal buckle (6) can be locked by screwing the nuts, and the protective sleeve (5) can be fixed in the horizontal direction.

4. The device according to claim 1, characterized in that the four corners of the bottom of the rectangular frame chassis (2) are respectively provided with pulleys (1), and the pulleys (1) are provided with brake mechanisms.

5. The device according to claim 1, characterized in that the aluminum alloy thermocouple stand (4) is connected with the rectangular support frame (3) through an L-shaped right-angle connector (7).

6. The device according to claim 1, characterized in that the rectangular chassis frame (2) is formed by welding four rectangular frames, the rectangular frames are made of single-hole aluminum alloy sections, and the length of the rectangular frames is 30-60 cm.

7. The device according to claim 1, characterized in that the width of the rectangular support frame (3) is equal to the width of the rectangular frame chassis (2), the rectangular support frame (3) body is formed by welding four rectangular frames, the rectangular support frame (3) is transversely provided with a plurality of rectangular frames, the plurality of rectangular frames are uniformly distributed in the longitudinal direction, and the positions of the transverse rectangular frames of the rectangular support frame (3) are matched with the positions of the aluminum alloy thermocouple stand (4).

8. Device according to claim 1, characterized in that the protective sleeve (5) is made of stainless steel or ceramic.

9. The device according to claim 7, wherein the protective sleeve (5) has a length of 50-100 cm, an inner diameter of 2.5-3cm, a thickness of 0.1-0.15mm and an aperture of 2.5-3.5 cm.

10. A method of measuring temperature using the apparatus of any one of claims 1 to 9, comprising the steps of:

step (1) determining the number of transverse thermocouples according to a to-be-tested piece, arranging through holes on an aluminum alloy thermocouple stand (4), and installing metal buckles (6) and protective sleeves (5) in corresponding numbers; determining the number of vertical thermocouples according to a to-be-tested piece, and adjusting the longitudinal distance between the aluminum alloy thermocouple supports (4) by using an L-shaped right-angle connecting piece (7);

step (2): arranging the front and back extension length of the thermocouple in the protective sleeve (5);

and (3): a thermocouple is inserted into one side of the protective sleeve (5), and a thermocouple data wire extends out of the other side of the protective sleeve (5) and is installed on a thermocouple data collector (8);

and (4): the protective sleeve (5) is fixed at a corresponding position by a metal buckle (6), and a thermocouple in the protective sleeve (5) is fixed by a rubber plug;

and (5): a circuit connecting the data acquisition unit and the data display terminal;

and (6): the data acquisition and display terminal was turned on, the stack was ignited and the experiment was started.

Technical Field

The invention belongs to the field of thermocouple type temperature measurement, and particularly relates to a three-dimensional temperature measurement device and method of an integrated array type thermocouple beam.

Background

The thermocouple is a commonly used temperature measuring device, is widely applied to scientific researches such as combustion, fire control and the like, and social production such as power plants, chemical plants and the like, and is a commonly used means for carrying out preliminary analysis and process flow control on samples and test articles by utilizing temperature data.

The thermocouple temperature measuring device assembled by the angle steel has poor flexibility and easy disassembly, further the distance between one-dimensional measuring points and two-dimensional measuring points is not easy to regulate and control, the number of the measuring points is limited, and the measuring point arrangement method is single.

Disclosure of Invention

The invention aims to provide a three-dimensional temperature measuring device and method of an integrated array type thermocouple bundle.

The technical solution for realizing the purpose of the invention is as follows:

a three-dimensional temperature measuring device integrated with an array type thermocouple bundle comprises a rectangular frame chassis, a rectangular support frame, an aluminum alloy thermocouple stand, a protective sleeve, a cuboid metal buckle and a thermocouple data collector;

the rectangular support frame is vertically arranged at the upper end of the middle part of the rectangular frame chassis, a plurality of aluminum alloy thermocouple stand platforms are uniformly distributed on one side of the rectangular support frame in the longitudinal direction, the aluminum alloy thermocouple stand platforms are arranged in parallel, each aluminum alloy thermocouple stand platform is provided with a plurality of cuboid metal buckles, a protective sleeve is arranged in each cuboid metal buckle, and a thermocouple is arranged in each protective sleeve; the rear end of the thermocouple is connected with a thermocouple data collector.

Further, the lengths of the protective sleeves are different, and the lengths of the corresponding thermocouples are also different.

Furthermore, the cuboid metal buckle is arranged between the protective sleeve and the aluminum alloy thermocouple support, the center of the cuboid metal buckle is a round hole for accommodating three steel pipes, a strip seam with a gap of 1-3mm is arranged above the round hole, a penetrating bolt is arranged in the vertical direction in the middle of the buckle seam, two nuts are respectively arranged at the port parts of the two ends of the metal buckle, the metal buckle can be locked by screwing the nuts, and the protective sleeve can be fixed in the horizontal direction.

Furthermore, four corners of the bottom of the rectangular frame chassis are respectively provided with pulleys, and the pulleys are provided with brake mechanisms.

Furthermore, the aluminum alloy thermocouple stand is connected with the rectangular support frame through an L-shaped right-angle connecting piece.

Furthermore, the rectangular chassis frame is formed by welding four rectangular frames, the rectangular frames are made of single-hole aluminum alloy sections, and the length of each rectangular frame is 30-60 cm.

Further, the width on rectangle support frame's width and rectangular frame chassis equals, rectangle support frame main part is formed by four rectangle frame welding, and the rectangle support frame transversely is provided with a plurality of rectangle frames, a plurality of rectangle frames evenly distributed on vertical, the position of the horizontal rectangle frame of rectangle support frame and the position phase-match of aluminum alloy thermocouple pallet.

Further, the protective sleeve is made of stainless steel or ceramic.

Furthermore, the length of the protective sleeve is 50-100 cm, the inner diameter is 2.5-3cm, the thickness is 0.1-0.15mm, and the aperture is 2.5-3.5 cm.

A method for measuring temperature by using the device comprises the following steps:

determining the number of transverse thermocouples according to a to-be-tested piece, performing perforation arrangement on an aluminum alloy thermocouple stand, and installing a corresponding number of metal buckles and protective sleeves; determining the number of vertical thermocouples according to a to-be-tested piece, and adjusting the longitudinal distance between the aluminum alloy thermocouple supports by using an L-shaped right-angle connecting piece;

step (2): arranging the extension length of the thermocouple in the protective sleeve;

and (3): inserting a thermocouple into one side of the protective sleeve, and extending a thermocouple data wire out of the other side of the protective sleeve and mounting the thermocouple data wire on a thermoelectric even data collector;

and (4): the protective sleeve is fixed at a corresponding position by a metal buckle, and a thermocouple in the protective sleeve is fixed by a rubber plug;

and (5): a circuit connecting the data acquisition unit and the data display terminal;

and (6): starting the data acquisition and display terminal, igniting the wood stack and starting the experiment

Compared with the prior art, the invention has the remarkable advantages that:

(1) the temperature measuring device provided by the invention can realize three-dimensional space temperature measurement under the condition of meeting zero-dimensional, one-dimensional and two-dimensional temperature measurement conditions, has flexibility and easy disassembly, greatly increases the number of measuring points, and enables the experimental method to have diversity.

(2) Aluminum alloy thermocouple stands with different hole pitches can be conveniently replaced, the density among measuring points in the horizontal direction in a measuring space can be regulated, and the temperature measuring position in the horizontal direction in a three-dimensional space can be freely set; the thermocouple position in the vertical direction in the three-dimensional space can be set by conveniently adjusting and disassembling the L-shaped right-angle connecting piece, so that the arrangement of temperature measuring points in the vertical direction is realized; the near-depth distance of the thermocouples in the same plane can be set by adjusting the number of the thermocouples in the thermocouple bundle and the distance between the hot ends clamped by the support, so that the three-dimensional space temperature measurement is realized. The pulley on rectangular frame chassis has strengthened experimental apparatus's flexibility, and the rotation type measurement can be realized to a certain extent to the cylinder of being connected of fixed cuboid support pallet and thermocouple pallet.

Drawings

FIG. 1 is a front view of the three-dimensional temperature measuring device of the present invention.

Fig. 2 is a schematic side view of the three-dimensional temperature measuring device of the integrated array thermocouple bundle under the multi-hole arrangement.

Fig. 3 is a schematic view of a bracket device of the three-dimensional temperature measuring device integrated with an array type thermocouple bundle according to the present invention.

The thermoelectric data acquisition device comprises 1-pulleys, 2-rectangular frame chassis, 3-rectangular support frames, 4-aluminum alloy thermocouple stands, 5-protective sleeves, 6-cuboid metal buckles, 7-L-shaped right-angle connecting pieces and 8-thermoelectric even data acquisition units.

Detailed Description

The present invention is described in further detail below with reference to the attached drawing figures.

Referring to fig. 1 and 2, a bottom frame of the device is a rectangular frame chassis 2, the side length of the bottom of the frame can be 30-60 cm, the length of the bottom of the frame is preferably 50cm, the bottom of the frame supports the whole testing device, the bottom of the frame is connected with pulleys 1, the pulleys 1 can enable the whole support to move conveniently in all directions, and meanwhile, the pulleys 1 are provided with brakes, so that the whole support can be fixed in position and can be kept stable.

Rectangular support frame 3 is connected with rectangular frame chassis 2, aluminum alloy thermocouple support platform 4 and rectangular support frame 3, rectangular frame chassis 2 is connected, whole device remains stable, two vertical haplopore aluminum alloy ex-trusions can be 1 ~ 2m in the rectangular support frame 3, preferred high 1.5m, the interval between two ex-trusions is the length of side of rectangular frame bottom, the size 40 x 40mm of aluminum alloy ex-trusions, every 200mm fixes a haplopore 40 x 40mm aluminum alloy ex-trusions on the aluminum alloy ex-trusions, be used for being connected with aluminum alloy thermocouple support platform 4.

The protection sleeve 5 of the thermocouple is made of stainless steel or high-temperature insulation protection materials (ceramics), holes are punched in the thermocouple support table 4, the hole distance can be 3-10 cm, the optimal selection is 5cm, the aperture is determined to be 3cm, one thermocouple protection sleeve 5 is placed in one aperture of the thermocouple support table 4, the length of the protection sleeve 5 can be 50-100 cm, the inner diameter is 2.9cm, the thickness is 0.1mm, the aperture is 3cm, the thermocouple protection sleeve 5 is arranged according to different extending distances, and the temperature under different combustion forms can be measured. Wherein, because of aluminum alloy ex-trusions low price, L type right angle connecting piece are quick detachable, 4 apertures of thermocouple support platform and hole interval can be adjusted according to actual measured appearance.

The metal buckle 6 is arranged between the thermocouple protection sleeve 5 and the aluminum alloy thermocouple support platform 4, the center of the metal buckle is a round hole capable of accommodating three steel pipes, a strip seam with a gap of 2mm is arranged above the round hole, a penetrating bolt is arranged in the vertical direction in the middle of the clamp seam, two nuts are respectively arranged at the port parts of two ends of the metal buckle, the metal buckle can be locked by screwing the nuts, the horizontal protection sleeve can be fixed in the horizontal direction, and the sleeve is prevented from sliding up and down and back and forth.

The L-shaped right-angle connecting piece 7 is convenient to disassemble, and the spacing distance between the vertical thermocouple supports can be adjusted according to the actual flame form and the measured sample.

Using fig. 3 as an example, a wood crib combustion flame axial temperature measurement test is used to describe the specific method of use of the patent.

(1) According to the test requirement, the number of the transverse thermocouples is determined, perforation arrangement is carried out on the single-hole aluminum alloy section bar bracket, and metal buckles and protective sleeves in corresponding quantity are installed; according to the test requirement, the number of the vertical thermocouples is determined, and the longitudinal distance between the thermocouple supports of the aluminum alloy section is adjusted by using the L-shaped right-angle connecting piece.

(2) The front and back extension lengths of the thermocouples of the thermocouple protection sleeves in the thermocouple support apertures are arranged, and the extension distance lengths under pairwise comparison are adjusted according to the possibly generated flame forms.

(3) And taking out the thermocouple temperature measuring device, determining that the performance is good, inserting the faultless thermocouple into one side of the protective sleeve, and extending the thermocouple data wire out of the other side of the protective sleeve to be installed on the thermocouple data acquisition unit.

(4) The thermocouple protective sleeve is fixed on a designed position by a metal buckle and locked, and a thermocouple in the thermocouple protective sleeve is fixed by a rubber plug.

(5) And the circuit is connected with the data acquisition module and the data display terminal.

(6) The data acquisition and display terminal was turned on, the stack was ignited and the experiment was started.