CN106989838B - Synthetic double-branch multi-point thermocouple core - Google Patents

Synthetic double-branch multi-point thermocouple core Download PDF

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Publication number
CN106989838B
CN106989838B CN201710364556.2A CN201710364556A CN106989838B CN 106989838 B CN106989838 B CN 106989838B CN 201710364556 A CN201710364556 A CN 201710364556A CN 106989838 B CN106989838 B CN 106989838B
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core body
temperature measuring
armored
core
hole
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CN106989838A (en
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刘瀚孺
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Tianjin Zhonghuan Temperature Instrument Co ltd
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Tianjin Zhonghuan Temperature Instrument Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/02Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Abstract

The invention discloses a composite double-branch multipoint thermocouple core body which comprises a first armored core body, a second armored core body and temperature measuring points, wherein a plurality of temperature measuring points are arranged on the first armored core body and the second armored core body, and the number of the temperature measuring points on the first armored core body and the number of the temperature measuring points on the second armored core body are the same and are arranged in a one-to-one correspondence manner. The beneficial effects of the invention are as follows: the temperature measuring points on the first armored core body and the second armored core body are arranged in one-to-one correspondence, namely, two temperature measuring points are arranged at the same position, so that the measurement accuracy is improved, meanwhile, the operation reliability of the device is improved, and once one temperature measuring point fails, the temperature measuring operation is not affected.

Description

Synthetic double-branch multi-point thermocouple core
Technical Field
The invention relates to the technical field of thermocouples, in particular to a synthetic double-branch multi-point thermocouple core body.
Background
In the process control steps of industries such as coal chemical industry, the temperature control of various reactors, converters and synthesizers needs the participation of thermocouples, the temperature measuring points on the thermocouples can measure the air flow temperature in the converter synthesis tower, the existing thermocouples are mainly provided with only a single temperature measuring core body, the single temperature measuring core body is low in measurement accuracy and reliability, the temperature measuring core body with a double-branch structure can effectively avoid the defects, the technical problem that how to ensure the consistent orientation of the temperature measuring points of the two core bodies is critical is solved, and the synthesized double-branch multipoint thermocouple core body which can solve the problems and effectively improve the measurement accuracy is to be further researched and developed.
Disclosure of Invention
The invention aims at solving the technical defects existing in the prior art and provides a synthetic double-branch multipoint thermocouple core body with high measurement accuracy and high reliability.
The technical scheme adopted for realizing the purpose of the invention is as follows:
the utility model provides a synthetic two multiple spot thermocouple core, includes first armoured core, second armoured core, temperature measurement point, all be equipped with a plurality of temperature measurement points on first armoured core, the second armoured core, the temperature measurement point on the first armoured core is the same and the one-to-one setting with the temperature measurement point number on the second armoured core.
Preferably, the temperature measuring points on the first armored core and the second armored core face the same direction, and face the detected air flow.
Preferably, the temperature measuring core body further comprises a supporting rod and a supporting ring; the support rod, first armoured core, second armoured core parallel arrangement, a plurality of holding rings are fixed first armoured core, second armoured core on the support rod to make first armoured core, second armoured core keep straight, the border position of holding ring is equipped with the guide notch, be equipped with first hole, second hole, the third hole that runs through on the holding ring, the centre of a circle in the third hole is located on the perpendicular to the center of a circle of first hole, second hole centre of a circle connecting wire, and first hole is used for fixed first armoured core, and the second hole is used for fixed second armoured core, and the third hole is used for fixed support rod.
Preferably, the symmetry line of the guide notch is positioned on the vertical line of the connecting line of the circle center of the first hole and the circle center of the second hole.
Preferably, the left side and the right side of any one temperature measuring point on the first armored core body and the second armored core body are coated with heat insulation layers.
Preferably, the temperature measuring points on the first armored core are distributed at equal intervals, and the temperature measuring points on the second armored core are distributed at equal intervals.
Preferably, the first armored core body and the second armored core body are respectively provided with eight-twelve temperature measuring points, forty-sixty supporting rings are arranged on the temperature measuring core body, and five supporting rings are arranged between two adjacent temperature measuring points.
Preferably, the guiding notch is a semicircular hole.
Preferably, a heat insulation layer is coated between the two support rings at the left side and the right side of any temperature measuring point.
Preferably, the first armored core body and the second armored core body are respectively provided with ten temperature measuring points, fifty supporting rings are arranged on the temperature measuring core body, and five supporting rings are arranged between two adjacent temperature measuring points.
Preferably, the heat insulation layer is made of ceramic fiber.
Preferably, the distance between two adjacent temperature measuring points is 1210mm, the distance between any one temperature measuring point and the support ring on the left side of the temperature measuring point is 60mm, the distance between any one temperature measuring point and the support ring on the right side of the temperature measuring point is 60mm, the distance between two adjacent support rings on the left side of any one temperature measuring point is 100mm, and the distance between two adjacent support rings on the right side of any one temperature measuring point is 100mm.
Preferably, the tail end of the temperature measuring core body is fixedly provided with a guide end head, the guide end head comprises a guide head and a reinforcing pipe, one end of the reinforcing pipe is fixed on a support ring at the tail end of the temperature measuring core body, the other end of the reinforcing pipe is fixed on the guide head,
preferably, the tail ends of the first armor core and the second armor core penetrate into the reinforcing pipe, and the tail ends of the supporting rods penetrate into the guide heads.
Preferably, the distance from the temperature measuring point at the extreme end of the temperature measuring core body to the end of the guiding end is 175mm, and the length of the first armored core body and the second armored core body penetrating into the reinforcing pipe is 30mm.
Compared with the prior art, the invention has the beneficial effects that:
1. the device is provided with two temperature measurement cores, namely a first armored core and a second armored core, and the temperature measurement points on the first armored core and the second armored core are arranged in one-to-one correspondence, namely two temperature measurement points are arranged at the same position, so that the measurement accuracy is improved, meanwhile, the operation reliability of the device is improved, and once one temperature measurement point fails, the temperature measurement operation is not affected.
2. The supporting ring can play a fixed positioning role, the first armored core body and the second armored core body are kept to be parallel to each other and are in a linear structure, the function of preventing airflow series flow can be achieved, the airflows at different temperature measuring sites are prevented from being series-flow with each other, the measurement accuracy is improved, and the temperature measuring points face the detected airflows in the synthesizing tower to further improve the measurement accuracy.
3. The setting of guide gap on the support ring plays the guide effect when this device of equipment, guarantees that the temperature measurement point orientation of first armor core, second armor core is unanimous, improves production efficiency, facilitate promotion and application.
4. The heat insulation layer is arranged, so that the measured air flow is prevented from transmitting heat to a position of a non-measuring point on the core body, and the heat is prevented from being conducted on the core body.
5. The outside of the temperature measurement core body is not provided with a shell, so that the diversion effect of the shell can be avoided, the consistent orientation of the temperature measurement points can be effectively ensured, and the temperature of the same incoming gas can be measured.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is an enlarged schematic view of the structure "a" in fig. 1.
Fig. 3 is a schematic structural view of the support ring.
Fig. 4 is an enlarged schematic view of the structure "B" in fig. 1.
Detailed Description
The invention is described in further detail below with reference to the drawings and the specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
[ example 1 ]
A composite double-branch multi-point thermocouple core body comprises a support rod 1, a first armored core body 2, a second armored core body 3, a temperature measuring point 4, a support ring 5 and a heat insulation layer 6;
the support rod 1, the first armored core 2 and the second armored core 3 are arranged in parallel, the first armored core 2 and the second armored core 3 are fixed on the support rod 1 through a plurality of support rings 5 so as to keep a straight line structure parallel to each other, the first armored core 2 and the second armored core 3 are prevented from being screwed together, a guide gap 5-2 is arranged at the edge position of the support ring 5, a first hole 5-1, a second hole 5-3 and a third hole 5-4 which penetrate through the support ring 5 are arranged on the support ring 5, the center of the third hole 5-4 is positioned on the vertical line of the center connecting line of the first hole 5-1 and the second hole 5-3, the symmetrical line of the guide gap 5-2 is positioned on the vertical line of the center connecting line of the first hole 5-1 and the second hole 5-3, the first hole 5-1 is used for fixing the first armored core 2, the second hole 5-3 is used for fixing the second armored core 3, and the third hole 5-4 is used for fixing the support rod 1;
the first armor core body 2 and the second armor core body 3 are provided with a plurality of temperature measuring points 4, the number of the temperature measuring points 4 on the first armor core body 2 and the second armor core body 3 is the same, the directions are the same and are arranged in a one-to-one correspondence manner, and the left side and the right side of any temperature measuring point 4 on the first armor core body 2 and the second armor core body 3 are coated with a heat insulating layer 6.
[ working modes ]
The guide notch 5-2 can play a guiding role when the device is assembled, all support rings 5 are kept to be consistent in orientation, during operation, a plurality of support rings 5 with consistent orientation are welded on the support rod 1, so that holes on all support rings 5 can be guaranteed to be in one-to-one correspondence, the first armor core 2 and the second armor core 3 are guaranteed to be in a straight line state, the temperature measuring points 4 on the first armor core 2 and the second armor core 3 are further guaranteed to be identical in orientation, (the guide notch 5-2 is used for guiding during assembly, the orientation of the temperature measuring points 4 on the first armor core 2 and the second armor core 3 is kept to be consistent with the orientation of the guide notch 5-2), all the temperature measuring points 4 face to the air flow with the temperature to be detected, and the accuracy of temperature measurement can be improved.
The supporting rings 5 not only play a role in fixing and supporting, but also play a role in preventing airflow from flowing in series, so that airflow is prevented from flowing transversely between different supporting rings 5, and measurement accuracy is improved.
The setting of insulating layer 6 prevents that the air current from transmitting the position of non-measurement point on first armor core 2, the second armor core 3 for the measurement point only accepts the heat of air current, has avoided the heat that comes along the core transfer, has the effect of improving measuring accuracy simultaneously.
[ example 2 ]
The embodiment is improved on the basis of embodiment 1, the temperature measuring points of the first armored core body 2 are distributed at equal intervals, the temperature measuring points of the second armored core body 3 are distributed at equal intervals, and the distance between two adjacent temperature measuring points 4 is 1210mm.
The guide notch 5-2 is a semicircular hole.
A heat insulation layer 6 is coated between the two supporting rings 5 at the left side and the right side of any temperature measuring point 4.
The first armor core body 2, the second armor core body 3 all are equipped with ten temperature measurement points 4, be equipped with fifty support rings 5 on the temperature measurement core body, be equipped with five support rings 5 between two adjacent temperature measurement points 4.
The heat insulation layer 6 is made of ceramic fibers.
The distance between two adjacent temperature measuring points 4 is 1210mm, the distance between any one temperature measuring point 4 and the support ring 5 on the left side of the temperature measuring point is 60mm, the distance between any one temperature measuring point 4 and the support ring 5 on the right side of the temperature measuring point is 60mm, the distance between two adjacent support rings 5 on the left side of any one temperature measuring point 4 is 100mm, and the distance between two adjacent support rings 5 on the right side of any one temperature measuring point 4 is 100mm.
[ example 3 ]
The embodiment is improved on the basis of embodiment 1 or 2, the tail end of the temperature measuring core body is fixedly provided with a guide end head 7, the guide end head 7 comprises a guide head 7-2 and a reinforcing tube 7-1, one end of the reinforcing tube 7-1 is fixed on a support ring 5 at the tail end of the temperature measuring core body, and the other end of the reinforcing tube 7-1 is fixed on the guide head 7-2.
The tail ends of the first armor core 2 and the second armor core 3 penetrate into the reinforced pipe 7-1, and the tail ends of the supporting rods 1 penetrate into the guide heads 7-2.
The distance from the temperature measuring point 4 at the extreme end of the temperature measuring core body to the end of the guide end head 7 is 175mm, and the length of the first armored core body 2 and the second armored core body 3 penetrating into the reinforcing pipe 7-1 is 30mm.
[ working modes ]
The arrangement of the guide end head 7 is convenient for inserting the temperature measuring core body into the synthesis tower, plays a guide role, and the guide end head 7 is bullet-shaped, so that the temperature measuring core body is placed more time-saving and labor-saving.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (4)

1. The utility model provides a synthetic two multiple spot thermocouple core, includes first armoured core, second armoured core, temperature measurement point, all be equipped with a plurality of temperature measurement points on first armoured core, the second armoured core, its characterized in that: the number of the temperature measuring points on the first armored core is the same as that of the temperature measuring points on the second armored core and the temperature measuring points are arranged in a one-to-one correspondence manner; the temperature measuring points on the first armored core body and the second armored core body face the same direction and face the detected air flow;
the thermocouple core body further comprises a supporting rod and a supporting ring; the support rod, the first armored core body and the second armored core body are arranged in parallel, the first armored core body and the second armored core body are fixed on the support rod through a plurality of support rings, so that the first armored core body and the second armored core body are kept straight, guide notches are formed in the edge positions of the support rings, a first hole, a second hole and a third hole which penetrate through the support rings are formed in the support rings, the circle center of the third hole is located on the center line of a circle center of the first hole and a center line of a circle center connecting line of the second hole, the first hole is used for fixing the first armored core body, the second hole is used for fixing the second armored core body, and the third hole is used for fixing the support rod; the symmetry line of the guide notch is positioned on the vertical line of the connecting line of the circle center of the first hole and the circle center of the second hole; the guide assembly is carried out through the guide notch, so that the orientations of the temperature measuring points on the first armored core body and the second armored core body are consistent with the orientation of the guide notch, and all face the air flow facing the temperature to be detected;
the end of the thermocouple core body is fixedly provided with a guide end head, the guide end head comprises a guide head and a reinforcing pipe, one end of the reinforcing pipe is fixed on a support ring at the end of the temperature measuring core body, and the other end of the reinforcing pipe is fixed on the guide head; the tail ends of the first armor core body and the second armor core body penetrate into the reinforcing pipe, and the tail ends of the supporting rods penetrate into the guide heads.
2. A composite double-branch, multi-point thermocouple core according to claim 1, characterized in that: and the left side and the right side of any temperature measuring point on the first armored core body and the second armored core body are coated with heat insulation layers.
3. A composite double-branch, multi-point thermocouple core according to claim 1, characterized in that: the temperature measuring points on the first armored core body are distributed at equal intervals, and the temperature measuring points on the second armored core body are distributed at equal intervals.
4. A composite double-branch, multi-point thermocouple core according to claim 1, characterized in that: the first armor core body and the second armor core body are respectively provided with eight-twelve temperature measuring points, forty-sixty support rings are arranged on the temperature measuring core body, and five support rings are arranged between two adjacent temperature measuring points.
CN201710364556.2A 2017-05-22 2017-05-22 Synthetic double-branch multi-point thermocouple core Active CN106989838B (en)

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Publication number Priority date Publication date Assignee Title
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CN203466532U (en) * 2013-08-23 2014-03-05 国家电网公司 Interphase supporting device for bunched-cable family-line overlapping contacts
CN106679879A (en) * 2017-03-08 2017-05-17 北京航空航天大学 Multi-probe total pressure measuring device for measuring total pressure distribution in flow channel

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CN201540176U (en) * 2009-12-01 2010-08-04 吴方立 Multi-point metal shielding thermo-electric couple for measuring hydrogenation device
CN203323896U (en) * 2013-05-21 2013-12-04 天津市中环温度仪表有限公司 Corrosion resistant thermocouple for measuring flue gas
CN203443680U (en) * 2013-07-11 2014-02-19 江苏兆龙电气有限公司 Thermocouple structure
CN203396504U (en) * 2013-08-30 2014-01-15 重庆迪洋仪表有限责任公司 Thermocouple dedicated to blast furnace body
CN203629706U (en) * 2013-12-21 2014-06-04 湖北鄂信钻石科技股份有限公司 Combined double-core thermocouple of vacuum sintering furnace
CN104062023A (en) * 2014-07-21 2014-09-24 天津市中环温度仪表有限公司 Multi-branch multi-point thermocouple with sealed cavity
CN106595890A (en) * 2016-12-13 2017-04-26 安徽国晖电气科技有限公司 Multipoint high precision thermocouple
CN207570684U (en) * 2017-05-22 2018-07-03 天津市中环温度仪表有限公司 A kind of double branch multipoint thermocouple cores of synthesis

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102116667A (en) * 2011-01-14 2011-07-06 重庆工业自动化仪表研究所 Large-aperture gas flow calibration device capable of providing two flow fields
CN203466532U (en) * 2013-08-23 2014-03-05 国家电网公司 Interphase supporting device for bunched-cable family-line overlapping contacts
CN106679879A (en) * 2017-03-08 2017-05-17 北京航空航天大学 Multi-probe total pressure measuring device for measuring total pressure distribution in flow channel

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