CN117797035A - Infrared temperature measuring device for coating machine - Google Patents
Infrared temperature measuring device for coating machine Download PDFInfo
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- CN117797035A CN117797035A CN202410210984.XA CN202410210984A CN117797035A CN 117797035 A CN117797035 A CN 117797035A CN 202410210984 A CN202410210984 A CN 202410210984A CN 117797035 A CN117797035 A CN 117797035A
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- 238000000576 coating method Methods 0.000 title claims abstract description 91
- 239000011248 coating agent Substances 0.000 title claims abstract description 89
- 239000007788 liquid Substances 0.000 claims abstract description 53
- 230000000149 penetrating effect Effects 0.000 claims abstract description 18
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 9
- 230000035515 penetration Effects 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims description 20
- 230000017525 heat dissipation Effects 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 9
- 230000005855 radiation Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000002700 tablet coating Substances 0.000 description 1
- 238000009492 tablet coating Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses an infrared temperature measuring device for a coating machine, which relates to the technical field of infrared temperature measurement, and comprises: the valve core is provided with a first channel in a penetrating way, and the infrared temperature measuring device is at least partially arranged in the first channel; a transparent cover plate sealing the first channel; the jet device is provided with an infrared penetration hole coaxially arranged with the first channel in a penetrating way; the valve core is provided with a first channel and a second channel, the first channel is communicated with the first channel, the second channel is communicated with the second channel, the second channel is communicated with the first channel, the second channel is communicated with the second channel, the third channel is communicated with the first channel, and the first channel is communicated with the second channel. The invention solves the technical problem that an infrared temperature measuring device for a coating machine in the prior art can be splashed and covered by coating liquid in the coating machine in the temperature measuring process, thereby influencing the temperature measuring precision.
Description
Technical Field
The invention relates to the technical field of temperature measuring devices, in particular to an infrared temperature measuring device for a coating machine.
Background
In the production of tablets, it is common to coat the tablets. In the process, the temperature of the tablet bed of the coated tablet is usually detected by using the temperature measuring function of the coating machine, and the problem of abnormal temperature of the coated tablet bed is timely found, so that the quality problems of uneven coating, delamination and the like of the tablet caused by abnormal temperature are avoided, and the stability and consistency of the tablet coating process are ensured.
At present, a probe thermocouple is usually inserted directly into the coated tablet to detect the tablet bed temperature, but the method is easy to cause the coated tablet to crack and the coating to be uneven. There are also non-contact infrared thermometers to detect the temperature of the tablet bed, but in the coating process, the coating liquid easily adheres to the infrared detection head, so that the detection temperature is inaccurate, and the temperature measurement precision is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an infrared temperature measuring device for a coating machine, which aims to solve the technical problem that an infrared temperature measuring device for the coating machine in the prior art can be splashed and covered by coating liquid in the coating machine in the temperature measuring process, thereby influencing the temperature measuring precision.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme;
an infrared temperature measurement device for a coating machine, the device comprising:
the valve core is provided with a first channel in a penetrating way, the infrared temperature measuring device is at least partially arranged in the first channel, and infrared rays emitted by the infrared temperature measuring device are emitted along the first channel;
the transparent cover plate is arranged at one end, close to the heat source, of the valve core and seals the first channel;
the jet device is arranged at one end of the valve core, which is close to the heat source, and an infrared penetrating hole coaxially arranged with the first channel is penetrated through the jet device;
the valve core is provided with a first channel and a second channel, the first channel is communicated with the first channel, the second channel is used for conveying a gas medium into the first channel, the second channel is communicated with the second channel, the third channel is communicated with the second channel, the second channel is communicated with a gas jet hole preset on the jet device, the third channel is used for conveying the gas medium into the second channel and the gas jet hole, so that a gas wall is formed by jetting gas flow through the gas jet hole, and the gas pressure conveyed through the third channel is larger than the gas pressure conveyed through the second channel.
According to an aspect of the above technical solution, the valve core faces to one side of the fluidic device, a mounting portion extends outwards from an end portion of the first channel, and the transparent cover plate is fixed on the mounting portion to seal the first channel.
According to one aspect of the above technical solution, the mounting portion is provided with a diffraction hole communicated with the first channel and a mounting step arranged at an end of the diffraction hole, and the mounting portion is fixed with a preset pressing plate to fix the transparent cover plate in the mounting step.
According to an aspect of the above technical solution, the partition is annularly disposed at an end of the mounting portion, and one side of the partition away from the valve core abuts against the fluidic device.
According to one aspect of the above technical solution, a supporting portion concentric with the partition portion is provided on a side of the valve core facing the fluidic device, the supporting portion and the partition portion are abutted together to the fluidic device, and a first limit flange is provided on the periphery of the fluidic device;
the device further comprises a locking ring, a second limit flange is arranged on the inner side of the locking ring, and when the locking ring is connected with external threads preset on the supporting portion through preset internal threads, the first limit flange and the second limit flange are mutually abutted to fix the jet device.
According to an aspect of the above technical solution, the supporting portion, the partition portion, and the fluidic device enclose to form the outer ring cavity, the third channel is communicated with the outer ring cavity, and the air jet hole is communicated to the outer ring cavity through a fluidic channel preset on the fluidic device.
According to one aspect of the above technical solution, the airflow jet hole is provided with a plurality of airflow jet holes, and the jet device is provided with a conical guide hole at the end of the infrared transmission hole, and the airflow jet hole is opposite to the conical guide hole, so that an airflow wall is formed when the airflow jet hole jets airflow.
According to an aspect of the above technical solution, the device further includes a fixing seat, the fixing seat is connected with the valve core, and a first through hole and a second through hole which are respectively communicated with the second channel and the third channel are arranged on the fixing seat, so as to be used for interfacing with an air source interface;
the fixing seat comprises a device mounting plate and a surrounding part, the surrounding part is arranged on the periphery of the device mounting plate in a surrounding mode, the first through hole and the second through hole penetrate through the device mounting plate to be respectively communicated with the second channel and the third channel, the infrared temperature measuring device penetrates into a buffer ring preset in the first channel through the device mounting hole on the device mounting plate, so that the infrared temperature measuring device is fixed in the first channel, and the irradiated infrared light irradiates through the first channel.
According to an aspect of the above technical solution, the partition portion is provided with an overflow hole in a penetrating manner, so as to communicate the inner ring cavity with the outer ring cavity through the overflow hole;
wherein the third channel is also used for introducing liquid medium.
According to an aspect of the above technical solution, the device further includes a heat dissipation device, the heat dissipation device includes an anti-rotation portion and a flow-splitting portion, the flow-splitting portion is inserted into a heat dissipation cavity preset outside the first cavity in the valve core, the anti-rotation portion is connected with the valve core in a jogged manner, and two sides of the heat dissipation cavity are respectively provided with a liquid injection hole and a backflow hole in a penetrating manner;
the device mounting plate is provided with a plurality of through holes and a plurality of return holes, wherein the through holes are formed in the device mounting plate in a penetrating mode along the axial direction at intervals, and the third through holes and the fourth through holes are respectively corresponding to the liquid injection holes and the return holes.
Compared with the prior art, the infrared temperature measuring device for the coating machine has the beneficial effects that:
through setting up the case, run through setting up first passageway on the case, second passageway and third passageway, set up infrared temperature measuring device in first passageway, be close to the one end setting that the heat source was gone up on the case and be used for with first passageway confined transparent cover plate, and be close to the one end setting up jet device of heat source on the case, be equipped with infrared perforation hole and be used for the air current jet orifice of jetting high-speed air current on jet device, and be close to the one end of jet device on the case and be equipped with the partition portion, divide into inner ring cavity and outer ring cavity with the hollow cavity between case and the jet device through the partition portion, the second passageway communicates with inner ring cavity, the third passageway communicates with outer ring cavity, then when carrying gaseous medium through the third passageway, the air current will get into outer ring cavity along the third passageway, and jet through the air current jet orifice is formed the air current wall, effectively block most coating liquid, and when carrying gaseous medium through the second passageway, will form the malleation in inner ring cavity, can effectively block the coating liquid that the turbulence is got into, the coating liquid, the coating machine infrared temperature measuring device for the coating machine that shows in this embodiment, it installs in the inner ring cavity and can prevent the coating machine, can the coating machine from invading the coating liquid, thereby the coating machine can be accurate coating time.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic perspective view of an infrared temperature measuring device for a coating machine according to an embodiment of the present invention;
FIG. 2 is a plan view of an infrared temperature measuring device for a coating machine according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2;
FIG. 4 is a cross-sectional view taken along the direction B-B in FIG. 2;
FIG. 5 is a cross-sectional view taken along the direction C-C in FIG. 2;
FIG. 6 is a schematic diagram of a valve core according to an embodiment of the present invention;
FIG. 7 is an exploded view of the valve cartridge, heat sink and device mounting plate shown in an embodiment of the present invention;
description of the drawings element symbols:
the valve cartridge 10, the first passage 11, the second passage 12, the third passage 13, the inner ring chamber 14, the outer ring chamber 15, the mounting portion 16, the partition portion 17, the overflow hole 171, the support portion 18, the mounting step 19, the transparent cover plate 20, the fluidic device 30, the infrared penetration hole 31, the airflow injection hole 32, the tapered conduction hole 33, the fluidic passage 34, the lock ring 40, the fixing seat 50, the device mounting plate 51, the device mounting hole 511, the first through hole 512, the second through hole 513, the third through hole 514, the fourth through hole 515, the enclosing portion 52, the buffer ring 60, the infrared temperature measuring device 70, the pressure plate 80, the heat dissipating device 90, the rotation preventing portion 91, the injection hole 911, the reflow hole 912, the shunt portion 92, the shunt hole 921, and the heat dissipating chamber 100.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the invention are presented in the figures. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1-6, a first embodiment of the present invention provides an infrared temperature measuring device for a coating machine, which is configured to be installed in a working chamber of the coating machine to accurately detect a temperature of a tablet bed of the coating machine, where the infrared temperature measuring device for the coating machine includes: the valve core 10, the transparent cover plate 20 and the jet device 30.
In this embodiment, the valve core 10 is provided with a first channel 11, and an infrared temperature measuring device 70 for detecting the temperature of the coating liquid tablet bed is provided in the first channel 11 along the axial direction of the valve core 10, and the infrared light emitted by the infrared temperature measuring device 70 is emitted along the first channel 11.
That is, in the device shown in this embodiment, the infrared light emitted by the infrared temperature measuring device 70 during operation can radiate along the first channel 11 penetrating the valve core 10, so as to measure the temperature of the tablet bed of the coating machine in the working chamber.
Specifically, the first passage 11 extends through the middle portion of the valve body 10, and the valve body 10 is provided in a cylindrical shape, so that the first passage 11 extends through the middle shaft of the valve body 10.
Because the infrared temperature measuring device 70 is disposed in the first channel 11, in order to avoid the coating liquid splashing into the first channel 11 to cover the surface of the infrared temperature measuring device 70, a transparent cover plate 20 for sealing the first channel 11 is disposed at one end of the valve core 10 near the heat source, and the transparent cover plate 20 is fixed on the valve core 10, for example, in a pressing manner, so as to ensure the stable connection between the transparent cover plate 20 and the valve core 10, and the transparent cover plate 20 is made of a transparent material, and does not shade the infrared light emitted by the infrared temperature measuring device 70, for example, is made of a sapphire glass transparent material, and has a thickness of 2-5mm.
In this embodiment, the valve core 10 faces one end of the fluidic device 30, a mounting portion 16 extends from the end of the valve core 10, the mounting portion 16 is formed on the outer side of the first channel 11, the mounting portion 16 is provided with a diffraction hole communicated with the first channel 11 in a penetrating manner for infrared light to penetrate, the end of the mounting portion 16 is provided with a mounting step 19, a transparent cover plate 20 for blocking coating liquid is attached to the mounting step 19, and the transparent cover plate 20 is fixed in the mounting step 19 through a pressing plate 80 and the mounting portion 16.
Specifically, the pressing plate 80 is provided with a plurality of through holes in a penetrating manner, the valve core 10 is provided with a corresponding threaded hole, and a screw is screwed into the threaded hole through the through holes, so that the transparent cover plate 20 can be fixed in the mounting step 19 through the fixation of the pressing plate 80 and the valve core 10.
In addition, since the end portion of the valve element 10 extends out of the mounting portion 16, in the present embodiment, the partition 17 extends out of the mounting portion 16, the partition 17 abuts against the fluidic device 30, thereby enclosing the inner ring cavity 14, and the second channel 12 penetrates through the mounting portion 16 to communicate with the inner ring cavity 14. The installation portion 16 reduces the volume of the inner ring cavity 14, so that only a small gas pressure is required to be input through the second channel 12, and the positive pressure of the inner ring cavity 14 can be maintained to isolate coating liquid which may splash outside.
It is easy to understand that in this embodiment, the transparent cover 20 is used to cover the end of the first channel 11 on the valve core 10 near the heat source, which belongs to the passive protection means, and only the coating liquid can be prevented from splashing into the first channel 11, but the coating liquid cannot be prevented from splashing onto the transparent cover 20, and the coating liquid can not accurately measure the temperature after the coating liquid splashes onto the transparent cover 20 and covers the transparent cover 20.
Therefore, in this embodiment, the coating liquid that may splash onto the transparent cover plate 20 is actively protected by the active protection means, so that the coating liquid is isolated from the infrared temperature measuring device in this embodiment, and the device is ensured to accurately measure the temperature for a long time.
In this embodiment, a fluidic device 30 connected to the valve core 10 is disposed at the front end of the valve core 10, that is, the front end of the transparent cover plate 20, and an infrared penetrating hole 31 is formed in the middle of the fluidic device 30 in a penetrating manner, so that infrared light emitted by the infrared temperature measuring device 70 can penetrate through the fluidic device 30, and thus the infrared light completely penetrates through the device to measure temperature. Wherein, on the valve core 10, there is also provided an air jet hole 32, the air jet hole 32 is used for jetting high-speed air flow under the action of air flow, thereby forming an air flow wall, so as to block the splashing coating liquid through the air flow wall.
Specifically, the air jet hole 32 is provided in plurality, and the fluidic device 30 is provided with a tapered deflector hole 33 at the end of the infrared penetration hole 31, and the air jet hole 32 faces the tapered deflector hole 33 to form an air flow wall when the air jet hole 32 jets an air flow.
In this embodiment, the valve core 10 and the fluidic device 30 are secured by a locking ring 40.
Specifically, a support portion 18 disposed concentrically with the partition portion 17 is provided on the side of the valve element 10 facing the fluidic device 30, the support portion 18 and the partition portion 17 are abutted together against the fluidic device 30, and a first limit flange is provided on the periphery of the fluidic device 30.
Wherein, the inner side of the locking ring 40 is provided with a second limit flange, and when the locking ring 40 is connected with the external thread preset by the supporting part 18 through the internal thread preset, the first limit flange and the second limit flange are mutually abutted to fix the jet device 30.
In addition, the outer ring cavity 15 shown in the present embodiment is formed between the support 18 and the partition 17 between the valve element 10 and the end cover.
In this embodiment, the valve core 10 is further provided with a second channel 12 and a third channel 13 extending along the axial direction of the valve core 10, and the second channel 12 and the third channel 13 are located at the periphery of the first channel 11. In some possible embodiments, the second channel 12 and the third channel 13 may be located at two different positions on the same track line on the periphery of the first channel 11, or may be located on different track lines on the periphery of the first channel 11.
For example, the second channel 12 and the third channel 13 are respectively located on different track lines on the periphery of the first channel 11, that is, the distance between the second channel 12 and the first channel 11 is smaller than the distance between the third channel 13 and the first channel 11, that is, the second channel 12 is located on the inner side and the third channel 13 is located on the outer side. The arrangement is to stagger the chambers connected to the second and third passages 12 and 13 in the radial direction of the valve core 10, so that the air flow can be guided better.
Specifically, the valve core 10 is disposed on a side close to the fluidic device 30 and is substantially hollow, a partition 17 for partitioning the hollow cavity is disposed on a side of the valve core 10 close to the fluidic device 30, the partition 17 is disposed around the valve core 10 in a radial direction, so that the hollow cavity at the front end of the valve core 10 is partitioned into an inner annular cavity 14 and an outer annular cavity 15, and thus, the second channel 12 and the third channel 13 on the valve core 10 are matched with each other, and the second channel 12 is communicated with the inner annular cavity 14, the third channel 13 is communicated with the outer annular cavity 15, so that when the air flow is conveyed through the second channel 12 and the third channel 13, the air flow can enter the inner annular cavity 14 and the outer annular cavity 15 respectively.
In this embodiment, since the air jet hole 32 on the fluidic device 30 is communicated with the outer ring cavity 15 through the fluidic channel 34, when air flow is conveyed through the third channel 13, the air flow can be jetted from the air jet hole 32 along the third channel 13, the outer ring cavity 15 and the fluidic channel 34, so that an air flow wall is formed at the front end of the fluidic device 30 to block the splashing coating liquid, and the coating liquid can not enter the inner ring cavity 14 of the valve core 10 through the fluidic device 30, so that the coating liquid can be effectively prevented from splashing on the transparent cover plate 20 to cover the same.
However, even if some coating liquid enters the inner ring cavity 14 along with the air flow, since the air flow is also conveyed through the second channel 12 in this embodiment, the air flow is conveyed into the inner ring cavity 14, and the air flow is ejected through the infrared penetration holes 31 on the jet device 30, so that the coating liquid entering in a turbulent flow is effectively blocked.
It should be noted that, the pressure of the gas delivered through the third channel 13 is greater than the pressure of the gas delivered through the second channel 12, so that a high-speed airflow wall can be formed through the airflow jet hole 32 of the jet device 30, so that most of the coating liquid is blocked, the coating liquid is effectively prevented from entering, and part of the coating liquid entering along with the turbulence is also effectively blocked by the positive pressure of the inner ring cavity 14.
Therefore, the infrared temperature measuring device for the coating machine shown in the embodiment has the beneficial effects that:
through setting up case 10, run through setting up first passageway 11 on case 10, second passageway 12 and third passageway 13, set up infrared temperature measuring device 70 in first passageway 11, set up the transparent apron 20 that is used for first passageway 11 confined on case 10 near the one end of heat source, and set up jet device 30 near the one end of heat source on case 10, be equipped with infrared perforating hole 31 and be used for the jet hole 32 of high-speed air current on jet device 30, and be equipped with division 17 near the one end of jet device 30 on case 10, divide into inner ring cavity 14 and outer ring cavity 15 with the hollow cavity between case 10 and the jet device 30 through division 17, second passageway 12 and inner ring cavity 14 intercommunication, then when conveying gaseous medium through third passageway 13, the air current will get into outer ring cavity 15 along third passageway 13, and jet out through jet hole 32 and form the air current wall, effectively block most coating liquid, and when conveying gaseous medium through second passageway 12, will form the positive pressure in inner ring cavity 14 and form the coating liquid in the inner ring cavity 14, can be in the coating machine coating liquid can be prevented the coating machine by the coating of the temperature of the coating machine, thereby can be carried out in the coating machine by the coating machine in a long time effectively, the coating can be prevented from entering into the coating machine, the coating machine is realized, the coating machine is in the temperature, can be stopped by the coating machine.
Example two
Referring to fig. 3-5, a second embodiment of the present invention also provides an infrared temperature measuring device for a coating machine, which has substantially the same structure as the infrared temperature measuring device for a coating machine in the first embodiment, and is different from the infrared temperature measuring device for a coating machine in the first embodiment in that:
in this embodiment, the device further includes a fixing seat 50, the fixing seat 50 is connected to the valve core 10, and a first through hole 512 and a second through hole 513 respectively communicating with the second channel 12 and the third channel 13 are disposed on the fixing seat 50, so as to be used for interfacing with an air source.
The fixing seat 50 includes a device mounting plate 51 and a surrounding portion 52, the surrounding portion 52 is disposed around the periphery of the device mounting plate 51, the first through hole 512 and the second through hole 513 penetrate through the device mounting plate 51 to respectively communicate the second channel 12 and the third channel 13, and the infrared temperature measuring device 70 penetrates into a buffer ring 60 preset in the first channel 11 through a device mounting hole 511 on the device mounting plate 51, so that the infrared temperature measuring device 70 is fixed in the first channel 11, and the infrared light emitted from the infrared temperature measuring device is emitted from the first channel 11.
Example III
Referring to fig. 5, a third embodiment of the present invention also provides an infrared temperature measuring device for a coating machine, which is substantially similar to the infrared temperature measuring device in the first embodiment in structure, and is different from the infrared temperature measuring device in the first embodiment in that:
in this embodiment, the partition 17 is provided with an overflow hole 171 therethrough to communicate the inner ring cavity 14 with the outer ring cavity 15 through the overflow hole 171;
wherein the third channel 13 is also used for introducing a liquid medium.
Specifically, in the actual use process of the device, the coating liquid is blocked and cannot be completely blocked, so that the coating liquid still has the risk of invading the inner ring cavity 14 to cover the transparent cover plate 20, and in order to clean the transparent cover plate 20, the inner ring cavity 14, the outer ring cavity 15 and the air flow spraying holes 32, the third channel 13 is further used for accessing a liquid medium, the liquid medium enters the outer ring cavity 15 through the third channel 13 and enters the air flow spraying holes 32 through the jet channel 34 to be sprayed, and the liquid medium in the outer ring cavity 15 is guided into the inner ring cavity 14 through the overflow holes 171 on the separation part 17 and then sprayed through the second channel 12, so that the channel design shown in the embodiment can be used for air flow conveying to block the invasion of the coating liquid and also can be used for liquid conveying to realize the cleaning of the transparent cover plate 20, thereby maintaining the accurate temperature measurement effect of the device.
Example IV
Referring to fig. 7, a fourth embodiment of the present invention also provides an infrared temperature measuring device for a coating machine, which is substantially similar to the infrared temperature measuring device for a coating machine in the third embodiment, and is different from the infrared temperature measuring device for a coating machine in the third embodiment in that:
in this embodiment, considering that the device is placed in the coating machine to measure the temperature of the tablet bed, the high temperature generated in the coating process is inevitably transferred to the infrared temperature measuring device along the valve core 10, thereby resulting in high temperature of the device, affecting the normal use of the infrared temperature measuring device, and prolonging the service life of the infrared temperature measuring device. Therefore, in this embodiment, the active heat dissipation is performed on the valve core 10, so as to reduce the temperature of the valve core 10, reduce the heat transfer to the infrared temperature measuring device, and ensure that the infrared temperature measuring device can be used for a long time.
In this embodiment, the device further includes a heat dissipating device 90, where the heat dissipating device 90 includes an anti-rotation portion 91 and a split portion 92, the split portion 92 is inserted into a heat dissipating cavity 100 preset outside the first cavity in the valve core 10, the anti-rotation portion 91 is connected with the valve core 10 in a jogged manner, and two sides of the heat dissipating cavity 100 of the anti-rotation portion 91 are respectively provided with a liquid injection hole 911 and a backflow hole 912 in a penetrating manner; the diversion portion 92 is provided with a plurality of diversion holes 921 extending through the device mounting plate at intervals in the axial direction, and a third through hole 514 and a fourth through hole 515 corresponding to the liquid injection hole 911 and the return hole 912, respectively, are extending through the device mounting plate.
Specifically, compared with the third embodiment, the heat dissipation structure of the present embodiment increases active heat dissipation. In this heat radiation structure, the rotation preventing portion 91 of the heat radiation device 90 is fixedly connected to the shunt portion 92, and the rotation preventing portion 91 is fixedly fitted to the valve element 10, for example, a C-shaped fitting structure shown in fig. 7, or a fitting structure of another shape, when the rotation preventing portion 91 is fitted to the valve element 10 and is fixed by the device mounting plate, the heat radiation device 90 does not rotate in the radial direction, and the rotation preventing portion 91 is fixedly attached to the valve element 10, so that the sealing performance of the joint surface can be effectively improved.
In the use process, through the third through hole 514 on the device mounting plate and the liquid injection hole 911 on the rotation preventing part 91, liquid medium, such as purified water or specific cooling liquid, is injected into the heat dissipation cavity 100 of the valve core 10, when the liquid medium passes through the plurality of flow dividing holes 921 on the flow dividing part 92 in the heat dissipation cavity 100, the liquid medium is divided into a plurality of strands, the coverage area of the liquid medium and the valve core 10 can be effectively increased, the heat of the valve core 10 is transferred into the liquid medium, and then the liquid medium is discharged through the backflow hole 912 and the fourth through hole 515 which are communicated with the other side of the heat dissipation cavity 100, so that the heat dissipation of the valve core 10 is realized through the circulation flow of the liquid medium, the heat transferred to the infrared temperature measuring device by the valve core 10 can be effectively reduced, the normal use of the infrared temperature measuring device is ensured, and the service life of the infrared temperature measuring device is prolonged.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 foregoing examples illustrate only a few embodiments of the invention, and are described in detail, but are not to be construed as limiting the scope of the invention. It should be noted that it is possible for those skilled in the art to make several variations and modifications without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. An infrared temperature measurement device for a coating machine, which is characterized by comprising:
the valve core is provided with a first channel in a penetrating way, the infrared temperature measuring device is at least partially arranged in the first channel, and infrared rays emitted by the infrared temperature measuring device are emitted along the first channel;
the transparent cover plate is arranged at one end, close to the heat source, of the valve core and seals the first channel;
the jet device is arranged at one end of the valve core, which is close to the heat source, and an infrared penetrating hole coaxially arranged with the first channel is penetrated through the jet device;
the valve core is provided with a first channel and a second channel, the first channel is communicated with the first channel, the second channel is used for conveying a gas medium into the first channel, the second channel is communicated with the second channel, the third channel is communicated with the second channel, the second channel is communicated with a gas jet hole preset on the jet device, the third channel is used for conveying the gas medium into the second channel and the gas jet hole, so that a gas wall is formed by jetting gas flow through the gas jet hole, and the gas pressure conveyed through the third channel is larger than the gas pressure conveyed through the second channel.
2. The infrared temperature measurement device for a coating machine according to claim 1, wherein the valve core is directed to one side of the fluidic device, a mounting portion is extended outwards at an end of the first channel, and the transparent cover plate is fixed on the mounting portion to seal the first channel.
3. The infrared temperature measuring device for the coating machine according to claim 2, wherein the mounting portion is provided with a diffraction hole communicated with the first channel in a penetrating manner, and a mounting step arranged at the end of the diffraction hole, and the mounting portion is fixed with a preset pressing plate to fix the transparent cover plate in the mounting step.
4. The infrared temperature measuring device for the coating machine according to claim 2, wherein the partition part is annularly arranged at the end part of the mounting part, and one side of the partition part away from the valve core is abutted against the jet device.
5. The infrared temperature measuring device for the coating machine according to claim 4, wherein a supporting part which is arranged concentrically with the separating part is arranged on one side of the valve core facing the jet device, the supporting part and the separating part are propped against the jet device together, and a first limit flange is arranged on the periphery of the jet device;
the device further comprises a locking ring, a second limit flange is arranged on the inner side of the locking ring, and when the locking ring is connected with external threads preset on the supporting portion through preset internal threads, the first limit flange and the second limit flange are mutually abutted to fix the jet device.
6. The infrared temperature measurement device for the coating machine according to claim 5, wherein the supporting portion, the separating portion and the jet device are enclosed to form the outer ring cavity, the third channel is communicated with the outer ring cavity, and the air jet hole is communicated with the outer ring cavity through a jet channel preset on the jet device.
7. The infrared temperature measuring device for coating machine according to claim 6, wherein the air jet holes are provided in plurality, and the jet device is provided with a conical deflector hole at the end of the infrared penetration hole, and the air jet holes are opposite to the conical deflector hole so as to form an air flow wall when the air jet holes jet air flow.
8. The infrared temperature measuring device for the coating machine according to claim 1, further comprising a fixing seat, wherein the fixing seat is connected with the valve core, and a first through hole and a second through hole which are respectively communicated with the second channel and the third channel are arranged on the fixing seat and are used for interfacing with an air source;
the fixing seat comprises a device mounting plate and a surrounding part, the surrounding part is arranged on the periphery of the device mounting plate in a surrounding mode, the first through hole and the second through hole penetrate through the device mounting plate to be respectively communicated with the second channel and the third channel, the infrared temperature measuring device penetrates into a buffer ring preset in the first channel through the device mounting hole on the device mounting plate, so that the infrared temperature measuring device is fixed in the first channel, and the irradiated infrared light irradiates through the first channel.
9. The infrared temperature measurement device for a coating machine according to any one of claims 1 to 8, wherein the partition portion is provided with an overflow hole therethrough so as to communicate the inner ring cavity with the outer ring cavity through the overflow hole;
wherein the third channel is also used for introducing liquid medium.
10. The infrared temperature measurement device for the coating machine according to claim 9, further comprising a heat dissipation device, wherein the heat dissipation device comprises an anti-rotation part and a flow dividing part, the flow dividing part is inserted into a heat dissipation cavity which is preset outside the first cavity in the valve core, the anti-rotation part is connected with the valve core in a jogged manner, and liquid injection holes and backflow holes are respectively arranged on two sides of the heat dissipation cavity in a penetrating manner through the anti-rotation part;
the device mounting plate is provided with a plurality of through holes and a plurality of return holes, wherein the through holes are formed in the device mounting plate in a penetrating mode along the axial direction at intervals, and the third through holes and the fourth through holes are respectively corresponding to the liquid injection holes and the return holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410210984.XA CN117797035A (en) | 2024-02-27 | 2024-02-27 | Infrared temperature measuring device for coating machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410210984.XA CN117797035A (en) | 2024-02-27 | 2024-02-27 | Infrared temperature measuring device for coating machine |
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| CN117797035A true CN117797035A (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410210984.XA Pending CN117797035A (en) | 2024-02-27 | 2024-02-27 | Infrared temperature measuring device for coating machine |
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