CN110315224A - A kind of capacitor height regulating sensor of anti-air pressure interference - Google Patents
A kind of capacitor height regulating sensor of anti-air pressure interference Download PDFInfo
- Publication number
- CN110315224A CN110315224A CN201910703237.9A CN201910703237A CN110315224A CN 110315224 A CN110315224 A CN 110315224A CN 201910703237 A CN201910703237 A CN 201910703237A CN 110315224 A CN110315224 A CN 110315224A
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- CN
- China
- Prior art keywords
- ontology
- height regulating
- capacitor height
- thimble
- regulating sensor
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/14—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention relates to capacitor height regulating sensor fields, and in particular to a kind of capacitor height regulating sensor of anti-air pressure interference.A kind of capacitor height regulating sensor of anti-air pressure interference includes the ontology with inner cavity, the spray head that ontology lower end surface is arranged in and the thimble that body interior is arranged in and connect with spray head, the first sealing ring is equipped between the spray head and ontology, first sealing ring is arranged between inner cavity and thimble.By using inner ring to seal between sensor body and spray head, high pressure gas can not influence thimble, interfere sensor by high pressure gas the present invention, sustainable closely to contradict with spray head, and sensor is allowed to reach more excellent performance；And make it is intracavitary including high pressure cutting gas be completely in sealing state, do not interfere with thimble, to guarantee that signal will not fluctuate, greatly improve the stability of product.
Description
Technical field
The present invention relates to capacitor height regulating sensor fields, and in particular to a kind of capacitor height regulating sensor of anti-air pressure interference.
Background technique
It is just necessary in order to guarantee the cutting effect of work piece and the quality of notch during laser cutting process
Guarantee the clearance constant between the spray head of laser cutting head and work piece using sensor.For example, using laser hair style electricity
Hold sensor, i.e. the bottom surface of spray head and laser head ontology fits closely, by the capacitance of detection spray head, then by connecting with spray head
The thimble connect carries out signal transmitting, obtains the clearance distance between spray head and workpiece.
But in the actual processing process, discovery can generate jitter situation using laser hair style capacitance sensor,
It is higher or relatively low that ideal value can be deviateed, it is unstable so as to cause cutting, occur overshooting when too high cutting head or perforation, hitting plate
Phenomena such as, it not can guarantee cut quality even cisco unity malfunction.Research staff passes through many experiments, detection, improvement, such as enhances
Being adjacent to dynamics, assembling cooperation carried out using unlike material component of spray head and laser head ontology, the placement space of optimization thimble and
Position, enhancing change the bonding strength or connection type of thimble and spray head, the processing circuit of optimization reception thimble signal, optimization
The computer software programs etc. for handling signal, can not effectively solve described problem.
Jitter situation can be generated by how solving capacitance sensor, be those skilled in the art's primary study always
Problem, and due to the sophisticated design of laser head, miniaturization etc., detection difficulty is big, and it is also extremely difficult to find question classification.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of anti-air pressure interference
Capacitor height regulating sensor, solve the problems, such as that capacitance sensor can generate jitter situation.
The technical solution adopted by the present invention to solve the technical problems is: the capacitor height regulating for providing a kind of anti-air pressure interference passes
Sensor, including with inner cavity ontology, the spray head of ontology lower end surface is set and body interior be set and connect with spray head
Thimble, is equipped with the first sealing ring between the spray head and ontology, first sealing ring is arranged between inner cavity and thimble.
Wherein, preferred version is: the ontology further includes the channel for accommodating thimble, and the lower end surface of the ontology, which is equipped with, places
The first annular slot of first sealing ring, the first annular slot are arranged between the opening of inner cavity and the opening in channel.
Wherein, preferred version is: the spray head includes the ceramic ring that setting is bonded with ontology lower end surface, and and ceramic ring
The nozzle of connection, the ceramic ring include a probe contacted with thimble, and the probe is connect with nozzle.
Wherein, preferred version is: further including the facing around ontology setting.
Wherein, preferred version is: the ontology includes the boss that lower part is arranged in, and the boss bottom is as under ontology
End face, the boss side surfaces are equipped with the facing fixed with ontology, the capacitor height regulating sensor further include be set on facing and
The retaining ring that ceramic ring is abutted against to lock.
Wherein, preferred version is: the annular end face of the ontology is equipped with the second annular groove, between the facing and ontology
Equipped with the second sealing ring for being placed on the second annular groove.
Wherein, preferred version is: the outside of the ontology is equipped with sleeve, fits closely on the outside of the sleeve and ontology,
And between the two at least provided with a third sealing ring.
Wherein, preferred version is: the capacitor height regulating sensor further includes that body interior is arranged in and connect with thimble
Amplifier, and the Signal connector being connect with amplifier.
Wherein, preferred version is: the upper surface of the ontology is equipped with the third annular groove for accommodating amplifier, the capacitor tune
High sensor further includes the upper cover that portion on the body is arranged, and the Signal connector is arranged on upper lid.
Wherein, preferred version is: being additionally provided with dead ring between the upper cover and body upper part.
Wherein, preferred version is: insulation sleeve, the insulation are equipped between the upper cover and body upper part and at inner cavity
Set is equipped with the 4th sealing ring with body surface.
Wherein, preferred version is: spring structure is provided between the thimble and channel, the needle portion passes through spring structure
Setting in the channel, and generates the pressure for pressing to the opening in channel.
The beneficial effects of the present invention are compared with prior art, the present invention is by between sensor body and spray head
Sealed using inner ring, high pressure gas can not influence thimble, interfere sensor by high pressure gas, it is sustainable closely and spray head
It contradicts, sensor is allowed to reach more excellent performance；And make it is intracavitary including high pressure cutting gas be completely in sealing state,
Thimble is not interfered with, to guarantee that signal will not fluctuate, greatly improves the stability of product.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the schematic diagram of the section structure of capacitor height regulating sensor of the present invention；
Fig. 2 is the structural schematic diagram of ontology of the present invention；
Fig. 3 is the configuration schematic diagram of capacitor height regulating sensor of the present invention；
Fig. 4 is the structural schematic diagram of high pressure gas flowing of the present invention.
Specific embodiment
Now in conjunction with attached drawing, elaborate to presently preferred embodiments of the present invention.
Research staff holds in the laser processing procedure with high pressure gas finally after many experiments, detection, improvement
Problem core is found in the phenomenon that being also easy to produce jitter, i.e., due to being using outer between existing laser head ontology and spray head
Circle sealing is arranged in ontology and connect the thimble transmitted for signal with spray head with extraneous in sealing state, but its
Poor with the cavity seal degree of ontology, even if spray head is bonded enough with the binding face of laser head ontology, gap is sufficiently small, also can only
Adapt to common laser processing；But in the laser processing procedure with high pressure gas, due to the impact of high pressure gas, having can
The signal transmitting at thimble, such as the poor contact of thimble and spray head can be influenced by the gap between the ontology and spray head, made
The jitter of acquisition, it is higher or relatively low to deviate ideal value, unstable so as to cause cutting, and it is too high cutting head occur
Or overshooted when perforation, hit phenomena such as plate, it not can guarantee cut quality even cisco unity malfunction.Solve rushing due to high pressure gas
Hit, it is possible to by gap between the ontology and spray head influence the problem of signal at thimble transmits and it is subsequent produced by
Not the problem of not can guarantee cut quality or even cisco unity malfunction.
As shown in Figures 1 to 4, the present invention provides a kind of preferred embodiment of the capacitor height regulating sensor of anti-air pressure interference.
A kind of capacitor height regulating sensor of anti-air pressure interference, including with inner cavity 111 ontology 110, be arranged in ontology 110
The spray head 120 of lower end surface and the thimble 410 that 110 inside of ontology is set and is connect with spray head 120, the spray head 120 and ontology
The first sealing ring 210 is equipped between 110, first sealing ring 210 is arranged between inner cavity 111 and thimble 410.
Specifically, in order to install thimble 410, ontology 110 and spray head 120 are combinatorial construction, when 110 lower end surface of ontology and spray
When first 120 fitting setting, a gap can be generated between the two；Existing capacitor height regulating sensor seals to realize, i.e. ontology
Sealing ring can be arranged between 110 lower end surface of ontology and spray head 120 to ensure inner cavity 111 in 110 inner cavities 111 and external sealing
Sealing, while considering to seal at thimble 410 with external, therefore an exterior seal ring is arranged (on the outside of being arranged at thimble 410).
But in actual production use process, in particular for by 111 transferring high voltage gas of inner cavity, it can refer to Fig. 4, find ontology
Gap between 110 and spray head 120 can influence thimble 410 due to the effect of high pressure gas, so as to cause the contact of thimble 410
It is bad, influence the transmission of signal.Therefore, the first sealing ring 210 is equipped between the spray head 120 and ontology 110, described first is close
Seal 210 is arranged between inner cavity 111 and thimble 410.
Wherein, first sealing ring 210 is arranged between inner cavity 111 and thimble 410, refers to the gap location of inner cavity 111
With the gap location of thimble 410, the first sealing ring 210 is set between the two, it is ensured that the high pressure gas of inner cavity 111 does not interfere with top
Needle 410, thus, capacitor height regulating sensor is by spray head 120, and there are distances between workpieces processing, and both sense due to
Apart from generated capacitance signal, transmitted by thimble 410 to associated processing circuit；Subsequent, height-adjusting system is electric based on the received
Hold the variation of signal, obtain distance parameter, and realize various operations, such as distance reduces, distance becomes larger, constant distance.Specifically
Ground, spray head 120 and workpieces processing form a capacitor, in the case where the two relative area is constant, the distance change meeting of the two
The capacitance variation both influenced, therefore, by detecting the capacitance of spray head 120, can detect spray head 120 and workpieces processing away from
From.
In the present embodiment, the ontology 110 further includes the channel 112 for accommodating thimble 410, the lower end of the ontology 110
Face be equipped with place the first sealing ring 210 first annular slot 113, the first annular slot 113 be arranged in inner cavity 111 opening and
Between the opening in channel 112, it can be arranged in channel 112 with further reference to Fig. 2, thimble 410, and in ontology 110 and spray head 120
After fitting installation, it is in close contact and connects with spray head 120, realize the transmitting of signal.Meanwhile the setting of 210 part of the first sealing ring exists
In first annular slot 113, the plane setting of the prominent first annular slot 113 in surface is fitted closely with spray head 120 with realizing, is had
Preferable sealing effect.
Further, spring structure 420 is provided between the thimble 410 and channel 112, the thimble 410 passes through bullet
Spring structure 420 is arranged in channel 112, and generates the pressure for pressing to the opening of channel 112.Thimble 410 passes through spring structure 420,
An active force (elastic force) is generated, the opening in channel 112 is pressed to, and thimble 410 is made to be compacted to spray head 120, realizes and is in close contact, mention
The signal stabilization performance of height acquisition.Preferably, spring structure 420 is the spring being installed in channel 112, and thimble 410 is
It is fixed on spring, and when being fitted without spray head 120, the opening as close to channel 112, or even extends logical
The opening in road 112.
In the present embodiment, the spray head 120 includes the ceramic ring 122, Yi Jiyu that setting is bonded with 110 lower end surface of ontology
The nozzle 121 that ceramic ring 122 connects, the ceramic ring 122 include a probe 1222 contacted with thimble 410, the probe
1222 connect with nozzle 121.
Specifically, capacitor height regulating sensor is by nozzle 121, there are distance between workpieces processing, both sense by
The capacitance signal caused by distance change is transmitted by thimble 410 to associated processing circuit；Ceramic ring 122 is arranged in nozzle
Between 121 and ontology 110, the stability of nozzle 121 is improved, perhaps improve the measure of precision of nozzle 121 or is convenient for nozzle
121 installation, or ontology 110 and nozzle 121 is made to insulate.And the upper surface of ceramic ring 122 and 110 lower end face paste of ontology
It closes, the upper surface of ceramic ring 122 is equipped with probe 1222, and probe 1222 can pass through conducting wire, lead or its own extending structure and spray
Mouth 121 connects, and realizes signal transmitting；Wherein, probe 1222 can extend the upper surface setting of ceramic ring 122 out, improve thimble
410 with the degree of intimate contact of probe 1222, and be easily installed；It, can be under ontology 110 in order to more preferably install ceramic ring 122
End face is equipped with guide post, and the upper surface of ceramic ring 122 is equipped with the notch cooperated with guide post.And nozzle 121 and ceramic ring
122 inside thread connection, so that the lower end surface of ceramic ring 122 is bonded setting with 121 upper surface of nozzle, it is of course possible to use it
His connection type, also, the probe 1222 of ceramic ring 122 can be connect by flank with nozzle 121, or pass through ceramic ring
122 bottoms or other positions are connect with nozzle 121, realize effective transmitting of signal.
And in the course of work, high pressure gas passes through inner cavity 111,122 inner cavity 1221 of ceramic ring and the nozzle of ontology 110
121 inner cavity 1211 to outsides.
In the present embodiment, it is installed with facing 140 on the outside of the ontology 110, is preferably provided at ontology 110 and is easy collision
Position, facing 140 are protected also for ontology 110, it is preferred to use metal material, the strong alloy such as hardness, in capacitor tune
During high sensor collides, damage is exempted to damage autoprotection ontology 110, it is subsequent to be made by replacing facing 140
Capacitor height regulating sensor is reused, and is improved service life.
Further, the ontology 110 includes the boss 1101 that lower part is arranged in, and 1101 bottom of boss is as this
The lower end surface of body 110,1101 side of boss are equipped with the facing 140 fixed with ontology 110, and the capacitor height regulating sensor is also
Including being set on facing 140 and abutting against ceramic ring 122 with the retaining ring 130 of locking.Specifically, the bottom conduct of boss 1101
The lower end surface of ontology 110, ceramic ring 122 is arranged on the bottom of boss 1101, and can refer to Fig. 2, the facing 140 also and this
The annular end face of 110 lower part of body is bonded, and 140 surface of facing is equipped with the second annular groove 141, the facing 140 and ontology 110
Between be equipped with and be placed on the second sealing ring 220 of the second annular groove 141；Wherein, the annular end face of the ontology 110 is equipped with ring
The air slot of shape structure, matching ring stomata 310 uses, for cooling ceramic ring 220 of ventilating.Specifically, first by 140 sets of facing
On annular end face, and against the side of boss 1101, preferably connected by fixing pieces 320 such as screw, screw rods across ceramic ring 122
It is connected on ontology 110；And the edge of ceramic ring 122 is contradicted by retaining ring 130, and be fixed on facing 140, make to make pottery
Ceramic ring 122 is fitted closely with ontology 110 (boss 1101).At this point, facing 140 can also slow down retaining ring 130, ceramic ring 122 by
Service life is further increased as buffer structure in the strength that collision is applied on ontology 110.
Further, the outside 1102 of the ontology 110 is equipped with sleeve 150, the outside of the sleeve 150 and ontology 110
It fits closely, and between the two at least provided with a third sealing ring 230.Preferably, it can be all provided in two positions up and down of sleeve 150
Third sealing ring 230 is set, and prevents the conduit of third sealing ring 230 in the setting of 110 corresponding position of ontology.The work of sleeve 150
With mainly ontology 110 and exterior insulation is made, sealing performance can also be improved.
By above-mentioned facing 140, retaining ring 130,150 structure of sleeve, not only ceramic ring 122 is fixed on ontology 110,
Whole sealing effect can also be improved, external and 112 sealed set of channel is made.
In the present embodiment, the capacitor height regulating sensor further includes setting in 110 inside of ontology and connect with thimble 410
Amplifier 430, and the Signal connector 440 being connect with amplifier 430.Amplifier 430 is preferably magnification circuit plate, amplification electricity
Road plate is fixed in the cavity, and magnification circuit plate is integrated to be placed in ontology 110, and the pcb board of amplifier 430, beautification be can't see in outside
Appearance, while occupied space is reduced, while improving the stability of overall performance electrical performance, avoid the external influence to amplifier 430.
And Signal connector 440 is preferably BNC connector, Signal connector 440 is connect by connecting line with amplifier 430, amplifier 430
By treated, transducing signal is sent to Signal connector 440, and Signal connector 440 connect with external height-adjusting system, will receive
Transducing signal be sent in digital control system, and according to height-adjusting system obtain capacitor height regulating sensor real time data, control
Laser equipment work.Specifically, the external radio-frequency cable of Signal connector 440, treated, and transducing signal passes through Signal connector 440,
Signal is reached into height-adjusting system through external radio-frequency cable again, is sensed so that height-adjusting system automatically adjusts capacitor height regulating according to signal
Device is at a distance from workpiece and the height of laser Machining head.
Further, the upper surface of the ontology 110 is equipped with the third annular groove 113 for accommodating amplifier 430, the capacitor
It further includes the upper cover 170 that 110 top of ontology is arranged in that sensor, which is turned up, and the Signal connector 440 is arranged in upper cover 170.It is logical
It crosses upper cover 170 to be sealed the top of ontology 110, such as third annular groove 113, while upper cover 170 includes being connected to inner cavity 111
Notch, guarantee passing through and circulating for laser or high pressure gas.
Meanwhile Signal connector 440 is fixed in upper cover 170 by helicitic texture, preferably passes through the fixing pieces such as screw, screw rod
330, which pass through upper cover 170, is connected on ontology 110.
Further, dead ring 161 and the upper cover 170 are additionally provided between 110 top of the upper cover 170 and ontology
Insulation sleeve 162 is equipped between 110 top of ontology and at inner cavity 111, the insulation sleeve 162 is equipped with 110 surface of ontology
4th sealing ring 240.
As described above, only preferred embodiment is not intended to limit the scope of the present invention, Fan Yibenfa
Equivalent change or modification made by bright claim is all that the present invention is covered.
Claims (12)
1. a kind of capacitor height regulating sensor of anti-air pressure interference, which is characterized in that including with inner cavity ontology, be arranged in ontology
The spray head of lower end surface and the thimble that body interior is arranged in and connect with spray head are equipped with the first sealing between the spray head and ontology
Circle, first sealing ring are arranged between inner cavity and thimble.
2. capacitor height regulating sensor according to claim 1, it is characterised in that: the ontology further includes accommodating leading to for thimble
Road, the lower end surface of the ontology are equipped with the first annular slot for placing the first sealing ring, and inner cavity is arranged in the first annular slot
Between opening and the opening in channel.
3. capacitor height regulating sensor according to claim 1, it is characterised in that: the spray head includes and ontology lower end face paste
The ceramic ring of setting is closed, and the nozzle connecting with ceramic ring, the ceramic ring include a probe contacted with thimble, the spy
Needle is connect with nozzle.
4. capacitor height regulating sensor according to claim 1, it is characterised in that: further include the facing around ontology setting.
5. capacitor height regulating sensor according to claim 3, it is characterised in that: the ontology includes lower part is arranged in convex
Platform, lower end surface of the boss bottom as ontology, the boss side surfaces are equipped with the facing fixed with ontology, the capacitor height regulating
Sensor further includes the retaining ring for being set on facing and abutting against ceramic ring to lock.
6. capacitor height regulating sensor according to claim 4 or 5, it is characterised in that: the facing surface is equipped with the second ring
Shape slot is equipped with the second sealing ring for being placed on the second annular groove between the facing and ontology.
7. capacitor height regulating sensor according to claim 1, it is characterised in that: the outside of the ontology is equipped with sleeve, institute
It states and is fitted closely on the outside of sleeve and ontology, and between the two at least provided with a third sealing ring.
8. capacitor height regulating sensor according to claim 1 or 2, it is characterised in that: the capacitor height regulating sensor also wraps
Include the amplifier that body interior is set and is connect with thimble, and the Signal connector connecting with amplifier.
9. capacitor height regulating sensor according to claim 8, it is characterised in that: the upper surface of the ontology is equipped with to accommodate and put
The third annular groove of big device, the capacitor height regulating sensor further include the upper cover that portion on the body is arranged, and the Signal connector is set
It sets on upper lid.
10. capacitor height regulating sensor according to claim 9, it is characterised in that: between the upper cover and body upper part also
Equipped with dead ring.
11. capacitor height regulating sensor according to claim 9, it is characterised in that: between the upper cover and body upper part and
Insulation sleeve is equipped at inner cavity, the insulation sleeve and body surface are equipped with the 4th sealing ring.
12. capacitor height regulating sensor according to claim 2, it is characterised in that: be provided between the thimble and channel
Spring structure, the needle portion are arranged in the channel by spring structure, and generate the pressure for pressing to the opening in channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910703237.9A CN110315224A (en) | 2019-07-31 | 2019-07-31 | A kind of capacitor height regulating sensor of anti-air pressure interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910703237.9A CN110315224A (en) | 2019-07-31 | 2019-07-31 | A kind of capacitor height regulating sensor of anti-air pressure interference |
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| Publication Number | Publication Date |
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| CN110315224A true CN110315224A (en) | 2019-10-11 |
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ID=68125120
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910703237.9A Pending CN110315224A (en) | 2019-07-31 | 2019-07-31 | A kind of capacitor height regulating sensor of anti-air pressure interference |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523553A (en) * | 2021-07-01 | 2021-10-22 | 大族激光科技产业集团股份有限公司 | Capacitance sensing equipment and laser cutting head |
| CN113977332A (en) * | 2021-12-02 | 2022-01-28 | 上海维宏智能技术有限公司 | Method, device, processor and storage medium for realizing obstacle detection and active obstacle avoidance control based on capacitive sensor |
| WO2024125671A1 (en) * | 2022-12-14 | 2024-06-20 | 江苏乐希激光装备有限公司 | Combined laser cutting machining head with replaceable cutting nozzle |
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| CN204053247U (en) * | 2014-09-23 | 2014-12-31 | 武汉天琪激光设备制造有限公司 | A kind of laser cutting head front end realizing electric capacity Focus tracking |
| CN205587845U (en) * | 2016-04-25 | 2016-09-21 | 深圳欧斯普瑞智能科技有限公司 | Nozzle electric installation and take device's first main part of laser cutting and laser cutting head |
| CN206609389U (en) * | 2016-12-30 | 2017-11-03 | 大族激光科技产业集团股份有限公司 | A kind of capacitive displacement transducer of integrated amplifier function |
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|---|---|---|---|---|
| CN104080570A (en) * | 2011-11-10 | 2014-10-01 | Ipg光子公司 | Dynamic height adjusting system and method for head assembly of laser processing system |
| CN204053247U (en) * | 2014-09-23 | 2014-12-31 | 武汉天琪激光设备制造有限公司 | A kind of laser cutting head front end realizing electric capacity Focus tracking |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523553A (en) * | 2021-07-01 | 2021-10-22 | 大族激光科技产业集团股份有限公司 | Capacitance sensing equipment and laser cutting head |
| CN113523553B (en) * | 2021-07-01 | 2024-04-12 | 大族激光科技产业集团股份有限公司 | Capacitance sensing equipment and laser cutting head |
| CN113977332A (en) * | 2021-12-02 | 2022-01-28 | 上海维宏智能技术有限公司 | Method, device, processor and storage medium for realizing obstacle detection and active obstacle avoidance control based on capacitive sensor |
| WO2024125671A1 (en) * | 2022-12-14 | 2024-06-20 | 江苏乐希激光装备有限公司 | Combined laser cutting machining head with replaceable cutting nozzle |
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Application publication date: 20191011 |
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