CN109115345B - Infrared temperature measuring device and heat treatment equipment - Google Patents
Infrared temperature measuring device and heat treatment equipment Download PDFInfo
- Publication number
- CN109115345B CN109115345B CN201811209514.2A CN201811209514A CN109115345B CN 109115345 B CN109115345 B CN 109115345B CN 201811209514 A CN201811209514 A CN 201811209514A CN 109115345 B CN109115345 B CN 109115345B
- Authority
- CN
- China
- Prior art keywords
- insulation layer
- cavity
- infrared
- temperature measurement
- protective sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 30
- 238000009413 insulation Methods 0.000 claims abstract description 77
- 230000001681 protective effect Effects 0.000 claims abstract description 62
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 42
- 238000003331 infrared imaging Methods 0.000 claims abstract description 15
- 239000011261 inert gas Substances 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- 238000001816 cooling Methods 0.000 claims description 30
- 238000003825 pressing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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
- G01J5/02—Constructional details
- G01J5/04—Casings
- G01J5/048—Protective parts
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Radiation Pyrometers (AREA)
Abstract
The invention discloses an infrared temperature measuring device and heat treatment equipment, and relates to the technical field of temperature measurement protection. The infrared temperature measuring device comprises an infrared imager, a window assembly and a protective sleeve. Be provided with the temperature measurement cavity in the mount pad, first thermal insulation layer installs in the temperature measurement cavity, and infrared imager detachably installs in the protective sheath, and the protective sheath stretches into the temperature measurement cavity, and with mount pad fixed connection, the intake pipe is installed in the mount pad, and the export of intake pipe sets up in one side that the protective sheath was kept away from to first thermal insulation layer, and the intake pipe can supply inert gas to let in to form the thermal insulation air curtain at the surface of first thermal insulation layer. Compared with the prior art, the infrared temperature measuring device provided by the invention has the advantages that the infrared imaging device arranged in the protective sleeve and the air inlet pipe capable of forming the heat insulation air curtain are adopted, so that the normal work of the infrared imaging device can be ensured, the whole molded surface of a workpiece is measured, the temperature measuring efficiency is high, the temperature measuring data is accurate, and the practicability is strong.
Description
Technical Field
The invention relates to the technical field of temperature measurement protection, in particular to an infrared temperature measurement device and heat treatment equipment.
Background
The metal heat treatment is a process of heating a metal workpiece in a certain medium to a proper temperature, maintaining the temperature for a certain time, cooling at different speeds, and controlling the performance of the metal workpiece by changing the surface or internal tissue structure of the metal material.
At present, the temperature measurement of heat treatment equipment adopts a k-type thermocouple or a load armoured thermocouple to measure the temperature of the atmosphere of the equipment or a certain point or points of a heat treatment workpiece so as to realize temperature control. However, in the process of processing the actual heat-treated workpiece or die in the furnace, the temperatures of the different positions of the workpiece are obviously different due to the different sizes and shapes of the workpiece, different loading positions, different loading weights and the like, and the load couple can only measure the temperature of the measured positions to realize temperature control, so that the quality of each position of the die after heat treatment is different, and especially for key parts of a key complex die, the tissue grows due to the fact that the actual temperature is too high during heating, and the actual temperature is too low to reach the target temperature, so that insufficient dissolution is caused; the temperature of the critical part cannot be controlled to control the cooling speed during cooling, resulting in the performance difference of the critical part.
In view of this, it is important to design and manufacture an infrared temperature measuring device capable of measuring temperature and a heat treatment apparatus, especially in a heat treatment process.
Disclosure of Invention
The invention aims to provide an infrared temperature measuring device which is simple in structure, can ensure that an infrared imaging mechanism works normally so as to measure the temperature of the whole molded surface of a workpiece, and is high in temperature measuring efficiency, accurate in temperature measuring data and high in practicability.
The invention further aims to provide the heat treatment equipment, wherein the infrared temperature measuring device is simple in structure, can ensure that the infrared imaging mechanism works normally, is high in temperature measuring efficiency, accurate in temperature measuring data, high in practicability and high in cost performance, and is used for measuring the temperature of the whole molded surface of the workpiece.
The invention is realized by adopting the following technical scheme.
The utility model provides an infrared temperature measuring device, including infrared imager, window subassembly and protective sheath, window subassembly includes the mount pad, intake pipe and first thermal insulation layer, be provided with the temperature measurement cavity in the mount pad, first thermal insulation layer is installed in the temperature measurement cavity, infrared imager detachably installs in the protective sheath, the protective sheath stretches into the temperature measurement cavity, and with mount pad fixed connection, the intake pipe is installed in the mount pad, the export setting of intake pipe is kept away from one side of protective sheath in first thermal insulation layer, the intake pipe can supply inert gas to let in, in order to form the thermal insulation air curtain at the surface of first thermal insulation layer.
Further, the air inlet pipe comprises a main pipe and a plurality of branch pipes, the main pipe is connected with the plurality of branch pipes, and the plurality of branch pipes are arranged in the mounting seat in a ring-shaped array and are communicated with the temperature measuring cavity.
Further, the branch pipe is inclined towards the direction close to the first heat insulation layer, and the axial direction of the branch pipe and the first heat insulation layer form an included angle.
Further, the temperature measurement cavity is in a ladder shape, the temperature measurement cavity comprises a small end cavity and a large end cavity which are communicated with each other, the first heat insulation layer is arranged in the small end cavity, and the protective sleeve is arranged in the large end cavity.
Further, the protective sheath includes cover body, camera lens cooling ring and second thermal insulation layer, and the second thermal insulation layer is installed in the one end of cover body, and sets up in the temperature measurement cavity to with first thermal insulation layer parallel interval setting, camera lens cooling ring fixed mounting is in the cover body, and the camera lens of infrared imaging appearance stretches into the camera lens cooling ring selectively.
Further, the lens cooling ring comprises a ring body, a water inlet pipe and a water outlet pipe, wherein a water cooling cavity is formed in the ring body, the water inlet pipe is communicated with the water outlet pipe through the water cooling cavity, and the ring body is used for allowing a lens of the infrared imaging instrument to extend in.
Further, a water inlet channel and a water outlet channel are formed in the side wall of the sleeve body, the water inlet channel is communicated with the water outlet channel, and the water inlet channel and the water outlet channel extend along the axial direction of the sleeve body.
Further, the sliding rail is arranged in the sleeve body, the sliding rail extends along the axial direction of the sleeve body, the infrared imager is provided with a sliding block, and the sliding block is in sliding fit with the sliding rail.
Further, the protective sleeve further comprises a pressing ring, the second heat insulation layer is pressed between the pressing ring and the sleeve body, the pressing ring is provided with a through hole, the sleeve body is provided with a threaded hole, and the through hole is used for a screw to pass through and is matched with the threaded hole.
The utility model provides a heat treatment equipment, including vacuum furnace and foretell infrared temperature measuring device, infrared temperature measuring device includes infrared imaging instrument, window subassembly and protective sheath, window subassembly includes the mount pad, intake pipe and first thermal insulation layer, be provided with the temperature measurement cavity in the mount pad, first thermal insulation layer installs in the temperature measurement cavity, infrared imaging instrument detachably installs in the protective sheath, the protective sheath stretches into the temperature measurement cavity, and with mount pad fixed connection, the intake pipe is installed in the mount pad, the export of intake pipe sets up in one side that the protective sheath was kept away from to first thermal insulation layer, the intake pipe can supply inert gas to let in, in order to form thermal insulation curtain at the surface of first thermal insulation layer, the vacuum furnace includes furnace lining and stove outer covering that the interval set up, the furnace lining is provided with first opening, the stove outer covering is provided with the second opening, mount pad fixed mounting is in first opening, the one end that the mount pad was kept away from to the protective sheath stretches into the second opening.
Further, the vacuum furnace further comprises a connecting flange and a first cover plate, wherein the connecting flange is welded outside the furnace shell and corresponds to the position of the second opening, the first cover plate is in threaded connection with the connecting flange, the protective sleeve stretches into the first cover plate, and the first cover plate is used for limiting the protective sleeve.
Further, the vacuum furnace further comprises a second cover plate, the second cover plate is connected with the first cover plate, the second cover plate is attached to one side, away from the connecting flange, of the first cover plate, and the second cover plate abuts against the protective sleeve.
The infrared temperature measuring device and the heat treatment equipment provided by the invention have the following beneficial effects:
according to the infrared temperature measuring device provided by the invention, the temperature measuring cavity is arranged in the mounting seat, the first heat insulation layer is arranged in the temperature measuring cavity, the infrared imaging instrument is detachably arranged in the protective sleeve, the protective sleeve stretches into the temperature measuring cavity and is fixedly connected with the mounting seat, the air inlet pipe is arranged in the mounting seat, the outlet of the air inlet pipe is arranged at one side, far away from the protective sleeve, of the first heat insulation layer, and inert gas can be supplied to the air inlet pipe so as to form a heat insulation air curtain on the surface of the first heat insulation layer. Compared with the prior art, the infrared temperature measuring device provided by the invention has the advantages that the infrared imaging device arranged in the protective sleeve and the air inlet pipe capable of forming the heat insulation air curtain are adopted, so that the normal work of the infrared imaging device can be ensured, the whole molded surface of a workpiece is measured, the temperature measuring efficiency is high, the temperature measuring data is accurate, and the practicability is strong.
The infrared temperature measuring device in the heat treatment equipment provided by the invention has the advantages of simple structure, high temperature measuring efficiency, accurate temperature measuring data, high practicality and high cost performance, and can ensure the normal work of the infrared imager so as to measure the temperature of the whole molded surface of a workpiece.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a heat treatment apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an infrared temperature measurement device according to an embodiment of the present invention after installation;
FIG. 3 is a schematic view of a window assembly in an infrared temperature measurement device according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a protective cover in an infrared temperature measurement device according to an embodiment of the present invention;
FIG. 5 is a schematic view of the connection between the rail of FIG. 4 and the infrared imager;
fig. 6 is a schematic structural diagram of the lens cooling ring in fig. 4.
Icon: 10-a heat treatment device; 100-an infrared temperature measuring device; 110-an infrared imager; 111-a slider; 120-window assembly; 121-a mounting base; 122-air inlet pipe; 1221-manifold; 1222-a branch pipe; 123-a first thermal insulation layer; 124-temperature measurement cavity; 1241-small end cavity; 1242-large end cavity; 130-protective sleeve; 131-sleeve body; 1311-threaded holes; 1312-a water inlet channel; 1313-water outlet channel; 1314-slide rails; 132—a lens cooling ring; 1321-ring body; 1322-inlet pipe; 1323-a water outlet pipe; 133-a second thermal insulation layer; 134-a compression ring; 1341-vias; 135-screws; 200-vacuum furnace; 210-furnace lining; 211-a first opening; 220-furnace shell; 221-a second opening; 230-connecting flanges; 240-a first cover plate; 241-a first central bore; 250-a second cover plate; 251-a second central aperture.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "inner", "outer", "upper", "lower", "horizontal", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Some embodiments of the present invention are described in detail below with reference to the accompanying drawings. Features of the embodiments described below may be combined with each other without conflict.
Examples
Referring to fig. 1, a heat treatment apparatus 10 for heat treating a workpiece is provided in accordance with an embodiment of the present invention. The infrared temperature measuring device 100 in the device is simple in structure, can ensure that an infrared imaging mechanism works normally, measures the temperature of the whole molded surface of a workpiece, and is high in temperature measuring efficiency, accurate in temperature measuring data, high in practicality and high in cost performance. The heat treatment apparatus 10 includes a vacuum furnace 200 and an infrared temperature measuring device 100. The infrared temperature measuring device 100 is installed on the vacuum furnace 200, the infrared temperature measuring device 100 is used for detecting the temperature of the workpiece, and the vacuum furnace 200 is used for controlling the heating speed or the cooling speed of the workpiece according to the detected temperature so as to improve the quality of the workpiece and ensure the performance of the workpiece.
In this embodiment, the heat treatment apparatus 10 is used for performing heat treatment on a mold, the mold is placed in the vacuum furnace 200, the infrared temperature measuring device 100 can detect the temperature of each part of the mold at the same time, and send the detected temperature to the vacuum furnace 200, and the vacuum furnace 200 controls the heating speed or cooling speed of the mold according to the detected temperature, so as to improve the quality of the mold.
Referring to fig. 2 and 3 in combination, the infrared temperature measurement device 100 includes an infrared imager 110, a window assembly 120, and a protective cover 130. Infrared imager 110 is mounted within protective sheath 130, and protective sheath 130 protects infrared imager 110. The protective sleeve 130 is installed in the window assembly 120, and the window assembly 120 is fixedly installed on the vacuum furnace 200, so that the infrared imager 110 can detect the temperature of the whole molded surface of the mold in the vacuum furnace 200.
It should be noted that, the infrared imager 110 must work normally at normal temperature and normal pressure, so the infrared imager 110 needs to be protected by the window assembly 120 and the protective sleeve 130, and the window assembly 120 and the protective sleeve 130 can isolate the temperature in the vacuum furnace 200 to prevent the temperature from affecting the infrared imager 110, so that the infrared imager 110 is always in a state of normal temperature and normal pressure.
The window assembly 120 includes a mounting base 121, an air inlet tube 122, and a first thermal barrier 123. The mounting seat 121 is mounted on the vacuum furnace 200, a temperature measuring cavity 124 is arranged in the mounting seat 121, and the temperature measuring cavity 124 is communicated with a cavity (not shown) in the furnace. The first insulating layer 123 is installed in the temperature measuring cavity 124, and the first insulating layer 123 can isolate the temperature of the cavity in the furnace. Infrared imager 110 is removably mounted within protective sheath 130 for ease of maintenance and servicing. Protective sleeve 130 stretches into temperature measurement cavity 124, and with mount pad 121 fixed connection, protective sleeve 130 sets up in one side that first thermal insulation layer 123 kept away from the interior cavity of stove, and first thermal insulation layer 123 can prevent that the temperature of interior cavity of stove from transmitting to protective sleeve 130 to prevent that the temperature of interior cavity of stove from influencing infrared imager 110, the short wave that infrared imager 110 produced from penetrating first thermal insulation layer 123, and to the work piece in the interior cavity of stove temperature measurement. The air inlet pipe 122 is installed in the installation seat 121, the outlet of the air inlet pipe 122 is disposed at one side of the first thermal insulation layer 123 away from the protective sleeve 130, and the air inlet pipe 122 can be supplied with inert gas to form a thermal insulation air curtain (not shown) on the surface of the first thermal insulation layer 123. The heat insulation air curtain is formed by inert gas, is stable and reliable, can isolate the temperature of the cavity in the furnace, and can enter the cavity in the furnace after the inert gas overflows, so that the heat treatment of the workpiece is not affected.
The vacuum furnace 200 comprises a furnace lining 210, a furnace shell 220, a connecting flange 230, a first cover plate 240 and a second cover plate 250. The furnace lining 210 and the furnace shell 220 are arranged at intervals, the furnace lining 210 is arranged in the furnace shell 220, a furnace cavity is formed in the furnace lining 210, and a workpiece is heated or cooled in the furnace cavity. The furnace lining 210 is provided with a first opening 211, the first opening 211 being in communication with the cavity inside the furnace. The furnace shell 220 is provided with a second opening 221, the mounting seat 121 is fixedly mounted in the first opening 211, and one end of the protective sleeve 130 away from the mounting seat 121 extends into the second opening 221. The connection flange 230 is welded to the outside of the furnace shell 220, and corresponds to the position of the second opening 221, and the first cover plate 240 is in threaded connection with the connection flange 230, so that the installation and the disassembly are facilitated. The protective sleeve 130 stretches into the first cover plate 240, and the first cover plate 240 is used for limiting one end, far away from the mounting seat 121, of the protective sleeve 130, so that the protective sleeve 130 is prevented from shaking. The second cover plate 250 is connected with the first cover plate 240, and is attached to a side of the first cover plate 240 away from the connecting flange 230, where the second cover plate 250 abuts against the protective sleeve 130 to fix the position of the protective sleeve 130, so as to prevent the protective sleeve 130 from being displaced.
It should be noted that, the first cover plate 240 is provided with a first central hole 241, the second cover plate 250 is provided with a second central hole 251, the first central hole 241 is communicated with the cavity in the protective sleeve 130, and the second central hole 251 is communicated with the outside, so that the air pressure in the protective sleeve 130 is the same as the outside atmospheric pressure, thus the infrared imager 110 is always in a normal pressure state, and the connection of wires or control wires on the infrared imager 110 is facilitated.
The air intake pipe 122 includes a manifold 1221 and a plurality of branches 1222. The manifold 1221 is connected to a plurality of branches 1222, and the plurality of branches 1222 are disposed in the mounting base 121 in an annular array, and are all in communication with the temperature measurement cavity 124, so as to form a thermal insulation curtain on the surface of the first thermal insulation layer 123. Inert gas enters the plurality of branch pipes 1222 through the main pipe 1221 respectively, and is simultaneously introduced into the temperature measuring cavity 124 under the action of the plurality of branch pipes 1222, so that a thermal insulation curtain is formed on the surface of the first thermal insulation layer 123 to insulate the temperature of the cavity in the furnace. In the present embodiment, the number of the branch pipes 1222 is four, and the four branch pipes 1222 are disposed in the mounting base 121 in a ring array, but not limited thereto, the number of the branch pipes 1222 may be six, and the number of the branch pipes 1222 is not particularly limited.
It is noted that, branch 1222 is inclined to the direction close to first heat insulation layer 123, the axial direction of branch 1222 and first heat insulation layer 123 are set to form an included angle, so that inert gas output from branch 1222 can be attached to first heat insulation layer 123 to form a compact heat insulation air curtain, the heat insulation effect is good, and the temperature of the cavity in the furnace is prevented from affecting infrared imager 110.
Specifically, the axial direction of the branch 1222 forms an angle ranging from 5 degrees to 30 degrees with the first insulation layer 123, so as to ensure that the inert gas output from the inside of the branch 1222 forms an insulation curtain on the surface of the first insulation layer 123. In the present embodiment, the angle formed between the axial direction of the branch 1222 and the first heat insulating layer 123 is 15 degrees, but the angle is not limited thereto, and may be 5 degrees or 30 degrees, and the degree of the angle is not particularly limited.
In this embodiment, the temperature measurement cavity 124 is stepped, and the temperature measurement cavity 124 includes a small end cavity 1241 and a large end cavity 1242 that are mutually communicated. The first insulating layer 123 is installed in the small-end cavity 1241 and insulates the small-end cavity 1241 into two parts, one part is communicated with the furnace cavity and the other part is communicated with the large-end cavity 1242 so as to prevent the temperature of the furnace cavity from entering the large-end cavity 1242. Protective sleeve 130 is mounted in large end cavity 1242 for ease of installation and removal. The position of infrared imager 110 corresponds to the position of small end cavity 1241 to measure the temperature of the workpiece in the furnace cavity through small end cavity 1241.
Referring to fig. 4 and 5 in combination, the protective sleeve 130 includes a sleeve body 131, a lens cooling ring 132, a second insulating layer 133 and a compression ring 134. The second heat insulation layer 133 is installed at one end of the sleeve body 131, is disposed in the temperature measurement cavity 124, and is disposed parallel to the first heat insulation layer 123 at intervals, and vacuum is formed between the first heat insulation layer 123 and the second heat insulation layer 133, so as to further improve the heat insulation effect. The short waves generated by the infrared imager 110 sequentially penetrate through the second heat insulation layer 133 and the first heat insulation layer 123, and temperature measurement is performed on the workpiece in the cavity in the furnace. The lens cooling ring 132 is fixedly installed in the sleeve body 131, and the lens of the infrared imager 110 selectively extends into the lens cooling ring 132, and the lens cooling ring 132 can cool the lens of the infrared imager 110, so that the infrared imager 110 is always in a normal temperature state. The second insulating layer 133 is pressed between the pressing ring 134 and the sleeve body 131, and the pressing ring 134 is used for fixing the position of the second insulating layer 133. The compression ring 134 is provided with a through hole 1341, the sleeve body 131 is provided with a threaded hole 1311, the through hole 1341 is used for allowing the screw 135 to pass through, and the screw 135 is matched with the threaded hole 1311. The position of the through hole 1341 corresponds to the position of the screw hole 1311, and the screw 135 passes through the through hole 1341 and is screwed with respect to the screw hole 1311 to press the second heat insulating layer 133 against the sleeve body 131.
In this embodiment, the first thermal insulation layer 123 and the second thermal insulation layer 133 are made of quartz glass material, which has very excellent optical properties, has excellent transmittance in the continuous wavelength range from ultraviolet to infrared radiation, does not affect the penetration temperature measurement of the infrared imager 110 at all, and can perform a certain thermal insulation function.
A water inlet channel 1312 and a water outlet channel 1313 are formed in the side wall of the sleeve body 131. The water inlet channel 1312 communicates with the water outlet channel 1313, and both the water inlet channel 1312 and the water outlet channel 1313 extend in the axial direction of the sleeve body 131. Part of heat in the furnace lining 210 is transferred to the sleeve body 131, external water enters through the water inlet channel 1312 and flows out of the water outlet channel 1313 to cool the sleeve body 131, heat on the sleeve body 131 is taken away, and therefore a heat insulation effect is achieved, and the infrared imager 110 in the sleeve body 131 is always in a normal temperature state.
It should be noted that, the sleeve body 131 is provided with a sliding rail 1314, the sliding rail 1314 extends along the axial direction of the sleeve body 131, and the lens cooling ring 132 is fixedly mounted at one end of the sliding rail 1314 near the second heat insulation layer 133. The infrared imager 110 is provided with a sliding block 111, and the sliding block 111 is in sliding fit with the sliding rail 1314, so that the infrared imager 110 is detachably connected with the sleeve body 131, and the infrared imager 110 is convenient to mount and dismount.
Referring to fig. 6, it is noted that the lens cooling ring 132 includes a ring body 1321, a water inlet pipe 1322 and a water outlet pipe 1323. The ring body 1321 is provided with a water cooling cavity (not shown), the water inlet pipe 1322 is communicated with the water outlet pipe 1323 through the water cooling cavity, and the ring body 1321 is used for allowing the lens of the infrared imager 110 to extend in. The lens of infrared imager 110 can produce heat in the in-process of using, and external water passes through inlet tube 1322 and gets into the water-cooling cavity to the lens of infrared imager 110 that the cover was located in ring body 1321 carries out water-cooling heat transfer, and the water after the heat transfer is accomplished exports the external world through outlet pipe 1323, realizes water-cooling circulation, guarantees that infrared imager 110 is in the normal atmospheric temperature state all the time under, prolongs the life of the lens of infrared imager 110.
According to the infrared temperature measurement device 100 provided by the embodiment of the invention, a temperature measurement cavity 124 is arranged in a mounting seat 121, a first heat insulation layer 123 is arranged in the temperature measurement cavity 124, an infrared imager 110 is detachably arranged in a protective sleeve 130, the protective sleeve 130 stretches into the temperature measurement cavity 124 and is fixedly connected with the mounting seat 121, an air inlet pipe 122 is arranged in the mounting seat 121, an outlet of the air inlet pipe 122 is arranged at one side, far away from the protective sleeve 130, of the first heat insulation layer 123, and inert gas can be introduced into the air inlet pipe 122 so as to form a heat insulation air curtain on the surface of the first heat insulation layer 123. Compared with the prior art, the infrared temperature measuring device 100 provided by the invention has the advantages that the infrared imaging instrument 110 arranged in the protective sleeve 130 and the air inlet pipe 122 capable of forming the heat insulation air curtain are adopted, so that the infrared imaging instrument 110 can be ensured to work normally, the whole molded surface of a workpiece is measured, the temperature measuring efficiency is high, the temperature measuring data is accurate, the practicability is high, and the heat treatment effect of the heat treatment equipment 10 on the workpiece is good, and the cost performance is high.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The infrared temperature measuring device is characterized by comprising an infrared imager, a window assembly and a protective sleeve, wherein the window assembly comprises a mounting seat, an air inlet pipe and a first heat insulation layer, a temperature measuring cavity is arranged in the mounting seat, the first heat insulation layer is arranged in the temperature measuring cavity, the infrared imager is detachably arranged in the protective sleeve, the protective sleeve stretches into the temperature measuring cavity and is fixedly connected with the mounting seat, the air inlet pipe is arranged in the mounting seat, an outlet of the air inlet pipe is arranged on one side, far away from the protective sleeve, of the first heat insulation layer, and inert gas can be supplied to the air inlet pipe so as to form a heat insulation air curtain on the surface of the first heat insulation layer;
the protective sleeve comprises a sleeve body, a lens cooling ring and a second heat insulation layer, wherein the second heat insulation layer is arranged at one end of the sleeve body, is arranged in the temperature measurement cavity, is arranged at intervals parallel to the first heat insulation layer, the lens cooling ring is fixedly arranged in the sleeve body, and a lens of the infrared imager selectively stretches into the lens cooling ring;
the lens cooling ring comprises a ring body, a water inlet pipe and a water outlet pipe, wherein a water cooling cavity is arranged in the ring body, the water inlet pipe is communicated with the water outlet pipe through the water cooling cavity, and the ring body is used for allowing a lens of the infrared imaging instrument to extend in;
the side wall of the sleeve body is internally provided with a water inlet channel and a water outlet channel, the water inlet channel is communicated with the water outlet channel, and the water inlet channel and the water outlet channel extend along the axial direction of the sleeve body.
2. The infrared temperature measurement device of claim 1, wherein the air inlet pipe comprises a main pipe and a plurality of branch pipes, the main pipe is connected with the plurality of branch pipes, and the plurality of branch pipes are arranged in the mounting seat in a ring-shaped array and are communicated with the temperature measurement cavity.
3. The infrared temperature measurement device according to claim 2, wherein the branch pipe is inclined in a direction approaching the first heat insulation layer, and an axial direction of the branch pipe is arranged at an included angle with the first heat insulation layer.
4. The infrared temperature measurement device of claim 1, wherein the temperature measurement cavity is stepped, the temperature measurement cavity comprises a small end cavity and a large end cavity which are mutually communicated, the first heat insulation layer is arranged in the small end cavity, and the protective sleeve is arranged in the large end cavity.
5. The infrared temperature measurement device of claim 1, wherein a sliding rail is arranged in the sleeve body, the sliding rail extends along the axial direction of the sleeve body, and the infrared imager is provided with a sliding block which is in sliding fit with the sliding rail.
6. The infrared temperature measurement device of claim 1, wherein the protective sleeve further comprises a pressure ring, the second thermal insulation layer is pressed between the pressure ring and the sleeve body, the pressure ring is provided with a through hole, the sleeve body is provided with a threaded hole, the through hole is used for a screw to pass through, and the screw is matched with the threaded hole.
7. A heat treatment apparatus comprising a vacuum furnace and an infrared temperature measuring device according to any one of claims 1 to 6, the vacuum furnace comprising a furnace lining and a furnace shell arranged at intervals, the furnace lining being provided with a first opening, the furnace shell being provided with a second opening, the mounting seat being fixedly mounted in the first opening, one end of the protective sleeve remote from the mounting seat extending into the second opening.
8. The heat treatment apparatus according to claim 7, wherein the vacuum furnace further comprises a connection flange welded outside the furnace shell and corresponding to the position of the second opening, and a first cover plate screwed to the connection flange, the protective sleeve extending into the first cover plate, the first cover plate being configured to limit the protective sleeve.
9. The heat treatment apparatus according to claim 8, wherein the vacuum furnace further comprises a second cover plate, the second cover plate is connected to the first cover plate and is attached to a side of the first cover plate away from the connecting flange, and the second cover plate abuts against the protective sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811209514.2A CN109115345B (en) | 2018-10-17 | 2018-10-17 | Infrared temperature measuring device and heat treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811209514.2A CN109115345B (en) | 2018-10-17 | 2018-10-17 | Infrared temperature measuring device and heat treatment equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109115345A CN109115345A (en) | 2019-01-01 |
| CN109115345B true CN109115345B (en) | 2024-03-01 |
Family
ID=64854991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811209514.2A Active CN109115345B (en) | 2018-10-17 | 2018-10-17 | Infrared temperature measuring device and heat treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109115345B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111912233A (en) * | 2020-07-27 | 2020-11-10 | 上海皓越电炉技术有限公司 | Water cold pressing head for SPS plasma sintering equipment |
| CN111879410A (en) * | 2020-07-27 | 2020-11-03 | 一胜百模具技术（上海）有限公司 | Heat balance management method and system thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11326061A (en) * | 1998-05-20 | 1999-11-26 | Sumitomo Metal Ind Ltd | Temperature measuring method and device for molten bath in furnace |
| JP2016130599A (en) * | 2015-01-13 | 2016-07-21 | 宇部興産株式会社 | Temperature detecting device and temperature distribution visualizing system using the same |
| CN206193426U (en) * | 2016-11-24 | 2017-05-24 | 国网四川省电力公司技能培训中心 | A infrared perspective visor for infrared imager |
| CN107389205A (en) * | 2017-09-08 | 2017-11-24 | 昆山热映光电有限公司 | Infrared measurement of temperature structure, smoke exhaust ventilator and the kitchen range top for kitchen use |
| CN107796519A (en) * | 2017-11-29 | 2018-03-13 | 株洲迪远硬质合金工业炉有限公司 | A kind of kiln temperature measuring equipment |
| CN107818925A (en) * | 2016-09-14 | 2018-03-20 | 株式会社斯库林集团 | Annealing device |
| CN208765852U (en) * | 2018-10-17 | 2019-04-19 | 一胜百模具技术（上海）有限公司 | A kind of infrared thermometry device and Equipment for Heating Processing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6129673A (en) * | 1998-06-08 | 2000-10-10 | Advanced Monitors, Corp. | Infrared thermometer |
-
2018
- 2018-10-17 CN CN201811209514.2A patent/CN109115345B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11326061A (en) * | 1998-05-20 | 1999-11-26 | Sumitomo Metal Ind Ltd | Temperature measuring method and device for molten bath in furnace |
| JP2016130599A (en) * | 2015-01-13 | 2016-07-21 | 宇部興産株式会社 | Temperature detecting device and temperature distribution visualizing system using the same |
| CN107818925A (en) * | 2016-09-14 | 2018-03-20 | 株式会社斯库林集团 | Annealing device |
| CN206193426U (en) * | 2016-11-24 | 2017-05-24 | 国网四川省电力公司技能培训中心 | A infrared perspective visor for infrared imager |
| CN107389205A (en) * | 2017-09-08 | 2017-11-24 | 昆山热映光电有限公司 | Infrared measurement of temperature structure, smoke exhaust ventilator and the kitchen range top for kitchen use |
| CN107796519A (en) * | 2017-11-29 | 2018-03-13 | 株洲迪远硬质合金工业炉有限公司 | A kind of kiln temperature measuring equipment |
| CN208765852U (en) * | 2018-10-17 | 2019-04-19 | 一胜百模具技术（上海）有限公司 | A kind of infrared thermometry device and Equipment for Heating Processing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109115345A (en) | 2019-01-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109115345B (en) | Infrared temperature measuring device and heat treatment equipment | |
| US7690841B2 (en) | Device for continuous temperature measurement of molten steel in the tundish using optical fiber and infra-red pyrometer | |
| KR20140039216A (en) | Glass molding system and related apparatus and method | |
| CN109163810B (en) | High-temperature rotor radiation temperature measuring device and method | |
| CN107941667B (en) | High-temperature environment gas-solid two-phase flow multi-parameter measuring device and method | |
| JP2014153168A (en) | Emissivity measuring apparatus and emissivity measuring method | |
| CN105758208B (en) | High-temperature heat treatment non-contact temperature uniformity detection system and its detection method | |
| EP1575748B1 (en) | Method and apparatus for curing a composite laminate | |
| US6471397B2 (en) | Casting using pyrometer apparatus and method | |
| CN113029807B (en) | Material high temperature service performance detection equipment | |
| JP2009052838A (en) | Vacuum carburizing furnace | |
| CN109507222B (en) | Method for continuously measuring spectral emissivity of material in high-temperature direction | |
| CN208765852U (en) | A kind of infrared thermometry device and Equipment for Heating Processing | |
| CN209957851U (en) | Annealing furnace and annealing equipment | |
| CN111020703B (en) | High-temperature vacuum furnace and semiconductor processing equipment | |
| CN110907039A (en) | Pipe system temperature detection system and detection method | |
| CN206291743U (en) | A kind of spun furnace melting automatic control system | |
| CN107462333A (en) | A kind of large-scale steel-casting is heat-treated wind chill temperatures measuring system | |
| CN219223942U (en) | Surface infrared emissivity measuring device based on double-blackbody alternate radiation | |
| CN218723919U (en) | Liquid nitrogen cold and hot incubator for optical strain test | |
| CN219914027U (en) | Temperature measuring device, graphitization furnace and battery production equipment | |
| CN212363493U (en) | Induction heating bright annealing multipoint temperature measuring system | |
| CN219495469U (en) | Cooling device for spectrum radiation thermometer for attitude and orbit control engine test | |
| JPS60211947A (en) | Annealing device by indirect heating | |
| CN208964801U (en) | Glass production device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |