CN111141396A - Blackbody cavity sensor capable of continuously measuring temperature - Google Patents
Blackbody cavity sensor capable of continuously measuring temperature Download PDFInfo
- Publication number
- CN111141396A CN111141396A CN202010042153.8A CN202010042153A CN111141396A CN 111141396 A CN111141396 A CN 111141396A CN 202010042153 A CN202010042153 A CN 202010042153A CN 111141396 A CN111141396 A CN 111141396A
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- Prior art keywords
- end head
- optical fiber
- connecting cylinder
- far away
- black body
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- 239000004065 semiconductor Substances 0.000 claims abstract description 25
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 4
- 239000013307 optical fiber Substances 0.000 claims description 28
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005457 Black-body radiation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/52—Radiation pyrometry, e.g. infrared or optical thermometry using comparison with reference sources, e.g. disappearing-filament pyrometer
- G01J5/53—Reference sources, e.g. standard lamps; Black bodies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/12—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using thermoelectric elements, e.g. thermocouples
Abstract
The invention discloses a blackbody cavity sensor capable of continuously measuring temperature, and relates to the technical field of temperature detection equipment. The invention comprises a front end head; a black body cavity pipe is bonded at one end of the front end head; one end of the front end head far away from the black body cavity pipe is in threaded connection with a connecting cylinder; one end of the connecting cylinder, which is far away from the front end, is in threaded connection with a rear end; two semi-annular grooves communicated with the annular groove are formed on the peripheral side surface of the front end head; a first semiconductor piece and a second semiconductor piece are respectively arranged in the two half annular grooves; an annular vacuum cavity is arranged in one end of the front end head far away from the annular groove. According to the invention, the first semiconductor piece and the second semiconductor piece are electrified to transfer high-temperature heat in the blackbody cavity pipe, so that the blackbody cavity pipe can be rapidly radiated, the temperature measurement can be continuously carried out, meanwhile, the annular vacuum cavity is used for isolating the temperature between the front end head and the connecting cylinder, the normal use of the connecting cylinder and the rear end head is ensured, the service life of the sensor is prolonged, and the practicability is strong.
Description
Technical Field
The invention belongs to the technical field of temperature detection, and particularly relates to a blackbody cavity sensor capable of continuously measuring temperature.
Background
In the industrial fields of metallurgy, chemical industry, energy, building materials and the like, the method has very important significance for accurate and rapid measurement of high temperature. The black body cavity sensor is in direct contact with a heat source and can measure the temperature of the fluid and the temperature inside the fluid. Meanwhile, the quartz multimode optical fiber is adopted to transmit the temperature signal to a position far away from a heat source for processing and displaying, so that the high-temperature working environment and the electromagnetic interference are avoided.
The conventional blackbody cavity has high heat and very low heat dissipation speed, and after the temperature of high-temperature fluid is measured, the conventional blackbody cavity needs to wait for a long time to cool, so that continuous temperature measurement cannot be realized, and the practicability is poor.
Disclosure of Invention
The invention aims to provide a blackbody cavity sensor capable of continuously measuring temperature, which solves the problems that the existing blackbody cavity sensor is slow in heat dissipation and incapable of continuously measuring temperature through the matched use of a front end head, a blackbody cavity pipe, a connecting cylinder and a rear end head.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a blackbody cavity sensor capable of continuously measuring temperature, which comprises a front end head; a black body cavity pipe is bonded at one end of the front end head; one end of the front end head, which is far away from the black body cavity pipe, is in threaded connection with a connecting cylinder; one end of the connecting cylinder, which is far away from the front end, is in threaded connection with a rear end;
a black body cavity pipe and a first through hole which are communicated with each other are arranged between the two ends of the front end head; one end of the front end is provided with an annular groove matched with the black body cavity pipe; two semi-annular grooves communicated with the annular groove are formed in the peripheral side face of the front end head; a first semiconductor piece and a second semiconductor piece are respectively arranged inside the two semi-annular grooves; an annular vacuum cavity is arranged in one end, far away from the annular groove, of the front end head.
Furthermore, one end of the connecting cylinder, which is close to the front end head, is hermetically connected with a first convex lens; the inner wall of the connecting cylinder is provided with a connecting rod; and a second convex lens is fixed at one end of the connecting rod.
Furthermore, a second through hole is formed in one end of the rear end head; an optical fiber collimator is arranged at the opening end of the first through hole; the front end of the optical fiber collimator extends into the connecting cylinder; the tail part of the optical fiber collimator is connected with an optical fiber connecting wire; an optical fiber circulator is arranged at the other end of the optical fiber connecting wire and positioned in the second through hole; and the second through hole is far away from a grating filter which is connected with the optical fiber circulator.
Further, heat dissipation holes are formed in the first semiconductor piece and the second semiconductor piece in an array mode, wherein the heat dissipation holes are formed in the end, close to the annular vacuum cavity, of each of the first semiconductor piece and the second semiconductor piece.
Furthermore, a storage battery and a wireless transmission module are respectively arranged on the peripheral side surface of the rear end head; the wireless transmission module is connected with the optical fiber circulator.
The invention has the following beneficial effects:
according to the invention, through the matched use of the front end head, the black body cavity pipe, the connecting cylinder and the rear end head, the first semiconductor piece and the second semiconductor piece are electrified to transfer high-temperature heat in the black body cavity pipe, so that the black body cavity pipe can quickly dissipate heat, the temperature can be continuously measured by using, meanwhile, the annular vacuum cavity isolates the temperature between the front end head and the connecting cylinder, the normal use of the connecting cylinder and the rear end head is ensured, the service life of the sensor is prolonged, and the practicability is strong.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a hohlraum sensor capable of continuously measuring temperature according to the present invention;
FIG. 2 is a cross-sectional view of a hohlraum sensor capable of continuously measuring temperature;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic structural view of the front tip;
FIG. 5 is a schematic view of a structure of a first semiconductor member;
in the drawings, the components represented by the respective reference numerals are listed below:
1-front terminal, 2-black body cavity tube, 3-connecting cylinder, 4-rear terminal, 101-first through hole, 102-annular groove, 103-semi-annular groove, 104-first semiconductor piece, 105-second semiconductor piece, 106-annular vacuum cavity, 107-heat dissipation hole, 301-first convex lens, 302-connecting rod, 303-second convex lens, 401-second through hole, 402-optical fiber collimator, 403-optical fiber connecting wire, 404-optical fiber circulator, 405-grating filter, 406-storage battery, 407-wireless transmission module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention relates to a blackbody cavity sensor capable of continuously measuring temperature, which comprises a front end 1; a black body cavity pipe 2 is bonded at one end of the front end head 1; one end of the front end head 1, which is far away from the black body cavity pipe 2, is in threaded connection with a connecting cylinder 3; one end of the connecting cylinder 3, which is far away from the front end head 1, is in threaded connection with a rear end head 4;
a black body cavity pipe 2 which is communicated with the first through hole 101 is arranged between the two ends of the front end head 1; one end of the front end head 1 is provided with an annular groove 102 which is matched with the black body cavity pipe 2; two semi-annular grooves 103 communicated with the annular groove 102 are formed on the peripheral side surface of the front end head 1; a first semiconductor piece 104 and a second semiconductor piece 105 are respectively arranged inside the two semicircular grooves 103; an annular vacuum cavity 106 is arranged inside one end of the front end head 1 far away from the annular groove 102.
As shown in fig. 2 and 3, a first convex lens 301 is hermetically connected to one end of the connecting cylinder 3 close to the front end head 1; the inner wall of the connecting cylinder 3 is provided with a connecting rod 302; a second convex lens 303 is fixed to one end of the connecting rod 302.
As shown in fig. 2, a second through hole 401 is formed inside one end of the rear end head 4; an optical fiber collimator 402 is arranged at the opening end of the first through hole 401; the front end of the optical fiber collimator 401 extends into the connecting cylinder 3; the tail of the optical fiber collimator 401 is connected with an optical fiber connecting wire 403; a fiber circulator 404 is arranged at the other end of the fiber connecting wire 403 and positioned in the second through hole 401; the second through hole 401 is remote from the grating filter 405 which is interconnected with the fiber optic circulator 403.
As shown in fig. 2 and 3, an array of heat dissipation holes 107 are formed in the first semiconductor member 104 and the second semiconductor member 104 near one end of the annular vacuum chamber 106.
As shown in fig. 2, the peripheral side of the rear end 4 is respectively provided with a storage battery 406 and a wireless transmission module 407; wireless transmission module 407 is interconnected with fiber optic circulator 404.
One specific application of this embodiment is: when in measurement, the high-temperature resistant black body cavity tube 2 is directly contacted with the high-temperature fluid to be measured, the black body radiation emitted by the heating of the black body cavity tube 2 is transmitted into the optical fiber collimator 402 through the first convex lens 301 and the second convex lens 303, wherein when a current passes through the thermocouple pair formed by electrically connecting the first semiconductor piece 104 and the second semiconductor piece 105, the high temperature energy in the black body cavity tube 2 is transferred, the black body cavity tube 2 rapidly dissipates heat, the front end 1 and the connecting cylinder 3 are insulated by the annular vacuum cavity 106, the radiation light is coupled into the transmission optical fiber by the optical fiber collimator 402, the signal light is transmitted into the optical fiber circulator 404 through the optical fiber connecting wire 403, and output to the grating filter 405, pass through the fiber grating filter 405, return to the fiber circulator 404, and the voltage signals are transmitted to the photoelectric detector through the wireless transmission module and then converted into voltage signals, and finally, the voltage signals are subjected to signal amplification and data acquisition and are subjected to data processing and display by a computer.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a blackbody cavity sensor that can continuous temperature measurement which characterized in that:
comprises a front end head (1); a black body cavity pipe (2) is bonded at one end of the front end head (1); one end of the front end head (1), which is far away from the black body cavity pipe (2), is in threaded connection with a connecting cylinder (3); one end of the connecting cylinder (3) far away from the front end head (1) is in threaded connection with a rear end head (4);
a black body cavity pipe (2) which is communicated with a first through hole (101) is arranged between the two ends of the front end head (1); one end of the front end head (1) is provided with an annular groove (102) which is matched with the black body cavity pipe (2); two semi-annular grooves (103) communicated with the annular groove (102) are formed in the peripheral side face of the front end head (1); a first semiconductor piece (104) and a second semiconductor piece (105) are respectively arranged inside the two semi-annular grooves (103); an annular vacuum cavity (106) is arranged inside one end, far away from the annular groove (102), of the front end head (1).
2. The hohlraum sensor capable of continuously measuring temperature according to claim 1, wherein one end of the connecting cylinder (3) close to the front end head (1) is hermetically connected with a first convex lens (301); the inner wall of the connecting cylinder (3) is provided with a connecting rod (302); and a second convex lens (303) is fixed at one end of the connecting rod (302).
3. The hohlraum sensor capable of continuously measuring temperature according to claim 1, wherein a second through hole (401) is formed in one end of the rear end head (4); an optical fiber collimator (402) is arranged at the opening end of the first through hole (401); the front end of the optical fiber collimator (401) extends into the connecting cylinder (3); the tail part of the optical fiber collimator (401) is connected with an optical fiber connecting wire (403); an optical fiber circulator (404) is arranged at the other end of the optical fiber connecting wire (403) and positioned in the second through hole (401); the second through hole (401) is far away from a grating filter (405) which is connected with the optical fiber circulator (404).
4. The hohlraum sensor for continuous temperature measurement according to the above claims, wherein the first semiconductor member (104) and the second semiconductor member (104) have heat dissipation holes (107) formed in an array at an end near the annular vacuum chamber (106).
5. The hohlraum sensor capable of continuously measuring temperature according to claim 3, wherein the peripheral side surface of the rear end head (4) is respectively provided with a storage battery (406) and a wireless transmission module (407); the wireless transmission module (407) is interconnected with a fiber optic circulator (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010042153.8A CN111141396A (en) | 2020-01-15 | 2020-01-15 | Blackbody cavity sensor capable of continuously measuring temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010042153.8A CN111141396A (en) | 2020-01-15 | 2020-01-15 | Blackbody cavity sensor capable of continuously measuring temperature |
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| Publication Number | Publication Date |
|---|---|
| CN111141396A true CN111141396A (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010042153.8A Pending CN111141396A (en) | 2020-01-15 | 2020-01-15 | Blackbody cavity sensor capable of continuously measuring temperature |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465748A (en) * | 2021-07-16 | 2021-10-01 | 衢州学院 | Blackbody cavity temperature sensor with stable emissivity |
| CN113483901A (en) * | 2021-07-16 | 2021-10-08 | 衢州学院 | Blackbody cavity structure based on high-temperature blackbody radiation source |
| CN113532660A (en) * | 2021-07-16 | 2021-10-22 | 衢州学院 | Continuous bending structure based on blackbody cavity sensor for continuous temperature measurement |
-
2020
- 2020-01-15 CN CN202010042153.8A patent/CN111141396A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465748A (en) * | 2021-07-16 | 2021-10-01 | 衢州学院 | Blackbody cavity temperature sensor with stable emissivity |
| CN113483901A (en) * | 2021-07-16 | 2021-10-08 | 衢州学院 | Blackbody cavity structure based on high-temperature blackbody radiation source |
| CN113532660A (en) * | 2021-07-16 | 2021-10-22 | 衢州学院 | Continuous bending structure based on blackbody cavity sensor for continuous temperature measurement |
| CN113532660B (en) * | 2021-07-16 | 2023-08-22 | 衢州学院 | Continuous bending structure based on blackbody cavity sensor for continuous temperature measurement |
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