CN220206922U - Gas intelligent monitoring system based on laser cutting process - Google Patents
Gas intelligent monitoring system based on laser cutting process Download PDFInfo
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- CN220206922U CN220206922U CN202321111382.6U CN202321111382U CN220206922U CN 220206922 U CN220206922 U CN 220206922U CN 202321111382 U CN202321111382 U CN 202321111382U CN 220206922 U CN220206922 U CN 220206922U
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- 238000000034 method Methods 0.000 title claims abstract description 54
- 230000008569 process Effects 0.000 title claims abstract description 54
- 238000003698 laser cutting Methods 0.000 title claims abstract description 42
- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 238000007906 compression Methods 0.000 claims abstract description 41
- 230000006835 compression Effects 0.000 claims abstract description 40
- 238000001914 filtration Methods 0.000 claims abstract description 31
- 239000007789 gas Substances 0.000 claims description 43
- 238000012545 processing Methods 0.000 claims description 26
- 238000004891 communication Methods 0.000 claims description 11
- 230000000007 visual effect Effects 0.000 claims description 8
- 238000013500 data storage Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 3
- 239000003570 air Substances 0.000 description 100
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 230000003749 cleanliness Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- KLDZYURQCUYZBL-UHFFFAOYSA-N 2-[3-[(2-hydroxyphenyl)methylideneamino]propyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCN=CC1=CC=CC=C1O KLDZYURQCUYZBL-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 201000001098 delayed sleep phase syndrome Diseases 0.000 description 1
- 208000033921 delayed sleep phase type circadian rhythm sleep disease Diseases 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
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- Laser Beam Processing (AREA)
Abstract
The utility model provides a gas intelligent monitoring system based on a laser cutting process, which relates to the technical field of laser cutting and comprises the following components: the device comprises an air supply mechanism, a differential pressure sensor, a compression filtering mechanism and an intelligent controller; the air supply mechanism is connected with the laser head through an air supply pipeline and the compression filtering mechanism; the first sensor joint of the differential pressure sensor extends to the interior of the compression filtering mechanism; the second sensing joint is arranged at the air outlet end of the compression filtering mechanism; the intelligent controller is connected with the first sensing joint to acquire air pressure information of the filter element in the filter element; the intelligent controller is connected with the second sensing connector to acquire air pressure information of an air outlet end of the compression filtering mechanism; the intelligent controller obtains a differential pressure value based on the air pressure information of the filter element and the air pressure information of the air outlet end, judges whether the differential pressure value exceeds a preset differential pressure threshold value, and gives an alarm prompt if the differential pressure value exceeds the preset differential pressure threshold value. The utility model can monitor the air pressure change in the laser cutting process, thereby realizing the monitoring of the air pressure state in the whole laser cutting process.
Description
Technical Field
The utility model relates to the technical field of laser cutting, in particular to a gas intelligent monitoring system based on a laser cutting process.
Background
The laser cutting machine in the prior art needs auxiliary gas in the operation process, wherein the auxiliary gas mainly comprises oxygen, nitrogen, air and argon. If the material is ignited by oxygen or other reactive gas under irradiation of a laser beam and undergoes a strong chemical reaction with oxygen, another source of heat is created, known as oxidative melt cutting. Oxygen can achieve a higher cutting speed as an assist gas than an inert gas.
The laser cutting has high requirements on gas cleanliness, and the gas circuit filtering system becomes an indispensable system in the processing process. If the gas filtering system is used for a long time, a large amount of air impurities are adhered to the filter screen of the filter, and accumulated, the filter core is easy to be blocked, and the filtering quality is poor. If no early warning protection measures are taken, when the lens is polluted, the gas is found to be unclean, the cutting efficiency of laser cutting can be reduced, and the service life of the lens is influenced.
Therefore, the laser cutting gas intelligent monitoring and filtering system with the alarm function is convenient to operate and capable of improving safety performance.
Disclosure of Invention
The utility model provides a gas intelligent monitoring system based on a laser cutting process, which can ensure stable gas delivery in the laser cutting process, realize high-precision filtration and meet the requirements of the laser cutting process.
The gas intelligent monitoring system based on laser cutting process includes: the device comprises an air supply mechanism, a differential pressure sensor, a compression filtering mechanism and an intelligent controller;
the air supply mechanism is connected with the laser head through an air supply pipeline and the compression filtering mechanism;
the differential pressure sensor is provided with a first sensing joint and a second sensing joint, wherein the first sensing joint extends into the compression filtering mechanism and is inserted into a filter element of the compression filtering mechanism, or the first sensing joint is arranged at an air inlet of the compression filtering mechanism; the second sensing joint is arranged at the air outlet end of the compression filtering mechanism;
the intelligent controller is connected with the first sensing joint to acquire air pressure information of the filter element in the filter element; the intelligent controller is connected with the second sensing connector to acquire air pressure information of an air outlet end of the compression filtering mechanism; the intelligent controller obtains a differential pressure value based on the air pressure information of the filter element and the air pressure information of the air outlet end, judges whether the differential pressure value exceeds a preset differential pressure threshold value, and gives an alarm prompt if the differential pressure value exceeds the preset differential pressure threshold value.
The compression filter mechanism is provided with a pipe body, the pipe body is connected with a pipe head, and the upper cover of the pipe head is provided with a pipe head cover; the filter element can be detached from the inside of the pipe body; the output of pipe shaft is connected to the laser head.
It should be further noted that the air supply mechanism includes: air compressor, freeze dryer and air process tank;
the air output end of the air compressor is communicated with the input end of the air process tank through the freeze dryer;
the output end of the air process tank is connected with the input end of the pipe body.
It should be further noted that the intelligent controller includes: the system comprises a central processing unit, a data comparator and an audible and visual alarm;
the central processing unit is respectively connected with the first sensing joint and the second sensing joint and is used for acquiring air pressure information of the filter element and air pressure information of the air outlet end and obtaining a differential pressure value;
the central processing unit is connected with the data comparator to compare the obtained differential pressure value with a preset differential pressure threshold value, and if the differential pressure value exceeds the preset differential pressure threshold value, the audible and visual alarm is controlled to give an alarm.
It should be further noted that the intelligent controller further includes: a data storage module;
the data storage module is used for storing the preset pressure difference threshold value, the filter element air pressure information and the air outlet end air pressure information which are acquired by the central processing unit.
It should be further noted that the intelligent controller further includes: a wireless communication module;
the central processing unit is connected with the wireless communication module to upload the acquired air pressure information of the filter element, the air pressure information of the air outlet end, the pressure difference value and the alarm information to the upper computer.
It should be further noted that the intelligent controller further includes: displaying a touch screen; the central processing unit is connected with the display touch screen and used for displaying the air pressure information of the filter element, the air pressure information of the air outlet end, the pressure difference value and the alarm information.
It is further to be noted that the tube head cover is provided with a through hole, and the first sensing joint penetrates through the through hole and stretches into the filter element.
It should be further noted that, the central processing unit is respectively connected with the first sensing connector and the second sensing connector in a communication manner through the rs serial bus.
It should be further noted that on-off control valves and gas flow regulating valves are respectively installed on the pipelines between the air compressor and the freeze dryer and the pipelines between the freeze dryer and the air process tank.
From the above technical scheme, the utility model has the following advantages:
the intelligent gas monitoring system based on the laser cutting process can store and record the air pressure information of the filter element, the air pressure information of the air outlet end, the pressure difference value and the alarm information, is convenient for a processor and a monitor to monitor, and effectively improves the monitoring efficiency of the laser cutting process. The air pressure information of the filter element, the air pressure information of the air outlet end, the pressure difference value and the alarm information can be efficiently collected and stored and processed, the quality and efficiency of the laser cutting process are improved, potential safety hazards of the air pressure state in the laser cutting process are timely found, early warning is carried out, the air pressure change of the laser cutting process can be monitored, and therefore the air pressure state of the whole laser cutting process is monitored.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a gas intelligent monitoring system based on a laser cutting process;
FIG. 2 is a schematic illustration of a compression filtration mechanism;
FIG. 3 is a schematic diagram of an embodiment of a gas intelligent monitoring system based on a laser cutting process.
Reference numerals illustrate:
the device comprises a 1-air supply mechanism, a 2-compression filtering mechanism, a 4-intelligent controller, a 6-audible and visual alarm, a 7-upper computer, an 8-central processing unit, a 10-data comparator, an 11-data storage module, a 12-pipe head cover, a 13-pipe head, a 14-pipe body, a 15-filter element, a 16-air compressor, a 17-freeze dryer, an 18-air process tank, a 19-laser head, a 21-first sensing connector, a 22-second sensing connector, a 24-wireless communication module and a 25-display touch screen.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, a schematic diagram of a gas intelligent monitoring system based on a laser cutting process according to an embodiment of the present utility model is shown, the system includes: air feed mechanism 1, differential pressure sensor, compression filter mechanism 2 and intelligent control 4. The air supply mechanism 1 is connected with the laser head 19 through an air supply pipeline and the compression filter mechanism 2.
Specifically, the air supply mechanism 1 includes: an air compressor 16, a freeze dryer 17 and an air process tank 18; the gas output end of the air compressor 16 is communicated with the input end of an air process tank 18 through a freeze dryer 17; wherein the output of the air process tank 18 is connected to the input of the pipe body 14. The freeze dryer 17 can dry the gas.
Optionally, on-off control valves and gas flow regulating valves are respectively installed on the pipelines between the air compressor 16 and the freeze dryer 17 and on the pipelines between the freeze dryer 17 and the air process tank 18. The user can realize the control and adjustment of the gas flow by controlling the gas flow adjusting valve according to the actual process requirement.
The compression filter mechanism 2 is provided with a pipe body 14, the pipe body 14 is connected with a pipe head 13, and a pipe head cover 12 is arranged on the upper cover of the pipe head 13; a filter element 15 is detachable inside the pipe body 14; the output end of the tube body 14 is connected to a laser head 19.
Specifically, the pipe head 13 may be fastened or screwed to the pipe body 14, or fixedly connected to the pipe body 14, and the filter element 15 is installed inside the pipe body 14. The pipe head 13 is provided with a pipe head cover 12, when the filter element 15 needs to be replaced, the pipe head cover 12 can be opened, and the filter element 15 can be taken out for replacement. The filter element 15 can be fixedly connected with the tube head 13 in the radial direction, the filter element 15 can be tightly matched with the tube head 13 in a threaded connection mode, the compression filter mechanism 2 is provided with a gas inlet and a gas outlet, the real-time filtration of gas is realized, and the filtered gas is conveyed to the laser head 19.
In an exemplary embodiment, the air introduced by the air inlet mechanism is finely filtered by the compression filtering mechanism 2, and after the air is filtered by the compression filtering mechanism 2, when the filtering precision is improved to 0.01 mu m in water removal precision and 0.001PPM70 DEG F in oil removal precision, the cleanliness of the air is improved, the inlet and outlet air pressure is detected in real time by the differential pressure sensor, and the working state of the filter element and the purity of the filtered air are ensured.
In this embodiment, the air process tank 18 contains impurities such as dust, oil, water and the like, which can affect the purity of the compressed air, and the air enters the compression filter mechanism 2 and can be filtered by the filtering cylindrical mesh of the filter element in the compression filter mechanism 2, larger particles are adsorbed in the inner wall, the water can be condensed into larger water drops, and the filter element is further provided with a fiber filter screen made of cotton, so that the air can form small vortex to form vacuum effect, the impurities which are not filtered are completely filtered, the air source cleanliness is improved, and the service life of the lens is prolonged. The bottom of the pipe body 14 can be provided with a drain outlet, so that the drain and water discharge effect on the pipe body 14 is realized.
The differential pressure sensor is provided with a first sensing joint 21 and a second sensing joint 22, wherein the first sensing joint extends into the compression filter mechanism 2 and is inserted into a filter element of the compression filter mechanism 2; or the first sensing joint 21 is arranged at the air inlet of the compression filter mechanism 2; the second sensing joint 22 is arranged at the air outlet end of the compression filter mechanism 2;
of course, the utility model is not limited to the first sensing joint 21 and the second sensing joint 22, and can be set at a position with more accurate pressure value according to the process requirement, so as to meet the requirement of calculating the differential pressure.
Wherein, the tube head cover 12 is provided with a through hole, and the first sensing connector 21 penetrates through the through hole and stretches into the filter element, so that the detection of the air pressure in the filter element is realized. Thus, the first sensing connector 21 senses the air pressure information of the filter element inside the filter element; the first sensor joint senses the air pressure information of the air outlet end of the compression filter mechanism 2 to form a pressure difference.
In the present utility model, the intelligent controller 4 includes: the system comprises a central processing unit 8, a data comparator 10, an audible and visual alarm 6, a data storage module 11, a wireless communication module 24 and a display touch screen 25;
the central processing unit 8 is respectively connected with the first sensing joint 21 and the second sensing joint 22 and is used for acquiring the air pressure information of the filter element and the air pressure information of the air outlet end and obtaining a differential pressure value; the central processing unit 8 is connected with the data comparator 10 to compare the obtained differential pressure value with a preset differential pressure threshold value, and if the differential pressure threshold value is exceeded, the audible and visual alarm 6 is controlled to give an alarm.
The data storage module 11 is configured to store a preset differential pressure threshold, and the air pressure information of the filter element and the air pressure information of the air outlet end acquired by the central processing unit 8, and further store related information in the running process of the system for the user to review.
In order to enable the monitoring center to know the on-site operation state, the central processing unit 8 is connected with the wireless communication module 24 to upload the acquired air pressure information of the filter element, the air pressure information of the air outlet end, the pressure difference value and the alarm information to the upper computer 7.
The central processing unit 8 is also connected with the display touch screen 25 and is used for displaying the air pressure information of the filter element, the air pressure information of the air outlet end, the pressure difference value and the alarm information. The system operation related information can be displayed, a user can set the system state parameters through the display touch screen 25, and the local control system operation can be realized through the display touch screen 25 and the input of control instructions.
The wireless communication module 24 may implement communication with the upper computer 7 based on a wireless local area network (Wi-Fi, WLAN, wireless Local Area Networks), wireless broadband (Wibro), worldwide interoperability for microwave access (Wimax), high speed downlink packet access (HSDPA, high Speed Downlink Packet Access), and so on.
The central processor 8 may be implemented using at least one of an application specific integrated circuit (ASIC, application Specific Integrated Circuit), a digital signal processor (DSP, digitalSignal Processing), a digital signal Processing device (DSPD, digital Signal Processing Device), a programmable logic device (PLD, programmable Logic Device), a field programmable Gate Array (FPGA, fieldProgrammable Gate Array), a processor, a controller, a microcontroller, a microprocessor, an electronic unit designed to perform the functions described herein, in some cases such an implementation may be implemented in a central processor.
According to the embodiment of the application, the air inlet air pressure value is measured through the first sensing connector 21, the air outlet air pressure value after filtration is measured through the second air pressure sensor connector 22, the central processing unit 8 obtains the measured result, calculates the differential pressure value, and the obtained real-time differential pressure value DeltaP can be transmitted to the upper computer for recording and storage.
In the present utility model, the differential pressure Δp can be obtained in real time by using the data comparator 10, and the degree of clogging of the compression filter mechanism 2 can be analyzed. Illustratively, as ΔP is greater than ΔP 0 *1.1, the compression filter mechanism is judged to be slightly clogged. ΔP is greater than ΔP 0 *2, judging that the compression filter mechanism is moderately blocked; ΔP is greater than ΔP 0 * And 4, judging that the compression filter mechanism is severely blocked. DeltaP 0 Is a preset differential pressure threshold.
In the upper computer, the occurrence of slight blockage can pop a window to remind workers, and the service life and the gas purity of the compression and filtration mechanism are noted. If the blocking degree is moderate or above, the upper computer 7 firstly carries out popup to remind workers, and meanwhile, the audible and visual alarm 6 can be started to alarm to remind equipment maintenance personnel to maintain equipment in time. Optionally, if the filter element is not replaced or the pressure difference value is not normal after the filter element is replaced, the upper computer can automatically control the laser cutting machine to stop running.
The intelligent gas monitoring system based on the laser cutting process can store and record the air pressure information of the filter element, the air pressure information of the air outlet end, the pressure difference value and the alarm information, is convenient for a processor and a monitor to monitor, and effectively improves the monitoring efficiency of the laser cutting process. The air pressure information of the filter element, the air pressure information of the air outlet end, the pressure difference value and the alarm information can be efficiently collected and stored and processed, the quality and efficiency of the laser cutting process are improved, potential safety hazards of the air pressure state in the laser cutting process are timely found, early warning is carried out, the air pressure change of the laser cutting process can be monitored, and therefore the air pressure state of the whole laser cutting process is monitored.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. Gas intelligent monitoring system based on laser cutting process, characterized by comprising: the device comprises an air supply mechanism (1), a differential pressure sensor, a compression filtering mechanism (2) and an intelligent controller (4);
the air supply mechanism (1) is connected with the laser head (19) through an air supply pipeline and the compression filtering mechanism (2);
the differential pressure sensor is provided with a first sensing joint (21) and a second sensing joint (22), wherein the first sensing joint extends into the compression filter mechanism (2) and is inserted into a filter element of the compression filter mechanism (2), or the first sensing joint (21) is arranged at an air inlet of the compression filter mechanism (2); the second sensing joint (22) is arranged at the air outlet end of the compression filtering mechanism (2);
the intelligent controller (4) is connected with the first sensing joint (21) to acquire the air pressure information of the filter element in the filter element; the intelligent controller (4) is connected with the second sensing connector (22) to acquire air pressure information of an air outlet end of the compression filtering mechanism (2); the intelligent controller (4) obtains a differential pressure value based on the air pressure information of the filter element and the air pressure information of the air outlet end, judges whether the differential pressure value exceeds a preset differential pressure threshold value, and gives an alarm prompt if the differential pressure value exceeds the preset differential pressure threshold value.
2. The intelligent gas monitoring system based on the laser cutting process according to claim 1, wherein the compression filtering mechanism (2) is provided with a pipe body (14), the pipe body (14) is connected with a pipe head (13), and a pipe head cover (12) is arranged on an upper cover of the pipe head (13); a filter element (15) is detachable inside the pipe body (14); the output end of the pipe body (14) is connected to the laser head (19).
3. The intelligent monitoring system for gases based on laser cutting processes according to claim 2, characterized in that the gas supply mechanism (1) comprises: an air compressor (16), a freeze dryer (17) and an air process tank (18);
the gas output end of the air compressor (16) is communicated with the input end of the air process tank (18) through the freeze dryer (17);
the output end of the air process tank (18) is connected with the input end of the pipe body (14).
4. The intelligent monitoring system for gases based on laser cutting processes according to claim 1 or 2, characterized in that the intelligent controller (4) comprises: a central processing unit (8), a data comparator (10) and an audible and visual alarm (6);
the central processing unit (8) is respectively connected with the first sensing connector (21) and the second sensing connector (22) and is used for acquiring air pressure information of the filter element and air pressure information of the air outlet end and obtaining a differential pressure value;
the central processing unit (8) is connected with the data comparator (10) to compare the obtained differential pressure value with a preset differential pressure threshold value, and if the differential pressure value exceeds the preset differential pressure threshold value, the audible and visual alarm (6) is controlled to give an alarm.
5. The intelligent monitoring system for gases based on laser cutting processes according to claim 4, wherein the intelligent controller (4) further comprises: a data storage module (11);
the data storage module (11) is used for storing the preset pressure difference threshold value, and the filter element air pressure information and the air outlet end air pressure information obtained by the central processing unit (8).
6. The intelligent monitoring system for gases based on laser cutting processes according to claim 4, wherein the intelligent controller (4) further comprises: a wireless communication module (24);
the central processing unit (8) is connected with the wireless communication module (24) to upload the acquired air pressure information of the filter element, the air pressure information of the air outlet end, the pressure difference value and the alarm information to the upper computer (7).
7. The intelligent monitoring system for gases based on laser cutting processes according to claim 4, wherein the intelligent controller (4) further comprises: displaying a touch screen (25); the central processing unit (8) is connected with the display touch screen (25) and is used for displaying the air pressure information of the filter element, the air pressure information of the air outlet end, the pressure difference value and the alarm information.
8. The intelligent gas monitoring system based on the laser cutting process according to claim 1 or 2, wherein the tube head cover (12) is provided with a through hole, and the first sensing joint (21) penetrates through the through hole and stretches into the filter element.
9. The intelligent gas monitoring system based on the laser cutting process according to claim 4, wherein the central processing unit (8) is in communication connection with the first sensing connector (21) and the second sensing connector (22) through an rs485 serial bus respectively.
10. A gas intelligent monitoring system based on a laser cutting process according to claim 3, characterized in that on-off control valves and gas flow regulating valves are respectively installed on the pipelines between the air compressor (16) and the freeze dryer (17) and the pipelines between the freeze dryer (17) and the air process tank (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202321111382.6U CN220206922U (en) | 2023-05-06 | 2023-05-06 | Gas intelligent monitoring system based on laser cutting process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202321111382.6U CN220206922U (en) | 2023-05-06 | 2023-05-06 | Gas intelligent monitoring system based on laser cutting process |
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| CN220206922U true CN220206922U (en) | 2023-12-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118882906A (en) * | 2024-09-29 | 2024-11-01 | 苏芯物联技术(南京)有限公司 | A real-time detection method for laser cutting shielding gas pressure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118882906A (en) * | 2024-09-29 | 2024-11-01 | 苏芯物联技术(南京)有限公司 | A real-time detection method for laser cutting shielding gas pressure |
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