CN119252717A - Wireless intelligent circuit breaker - Google Patents
Wireless intelligent circuit breaker Download PDFInfo
- Publication number
- CN119252717A CN119252717A CN202411420697.8A CN202411420697A CN119252717A CN 119252717 A CN119252717 A CN 119252717A CN 202411420697 A CN202411420697 A CN 202411420697A CN 119252717 A CN119252717 A CN 119252717A
- Authority
- CN
- China
- Prior art keywords
- gear
- connecting rod
- rack
- rod
- circuit breaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 abstract description 6
- 230000032683 aging Effects 0.000 abstract description 4
- 238000003763 carbonization Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 4
- 230000001939 inductive effect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
- H01H2071/044—Monitoring, detection or measuring systems to establish the end of life of the switching device, can also contain other on-line monitoring systems, e.g. for detecting mechanical failures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Landscapes
- Breakers (AREA)
Abstract
The invention discloses a wireless intelligent circuit breaker, which comprises a shell, wherein a connecting rod is arranged in the shell, a first rack and a second rack are respectively and vertically arranged on the side wall of the connecting rod, a first gear is arranged on one side of the first rack, a gear shaft is arranged on one side of the first gear, a driving wheel is meshed with the position corresponding to the first gear on the gear shaft, a second gear is arranged on the position, close to the second rack, on the gear shaft, an electromagnetic counter is arranged at the bottom end of the second gear, a hook locking rod is arranged at one end, far away from a baffle, of the connecting rod, an overcurrent tripping device and an undervoltage tripping device are respectively arranged at the bottom end of the hook locking rod, a magnet rod is arranged on one side, close to the second gear, of the gear shaft, and a Hall element capable of inducing magnetic field change is arranged in the electromagnetic counter. The invention can quickly replace insulating oil, reduce carbonization, ageing substances and moisture in the oil, avoid containing conductive substances, and greatly reduce the hidden danger of fire disaster caused by short circuit.
Description
Technical Field
The invention relates to a wireless intelligent circuit breaker, and belongs to the technical field of circuit breakers.
Background
A circuit breaker is a switching device capable of closing, carrying and breaking a current under normal circuit conditions and capable of closing, carrying and breaking a current under abnormal circuit conditions for a prescribed time. The intelligent circuit breaker can automatically complete switching-on and switching-off under the condition of no direct operation, and comprises a traditional circuit breaker and a set of switching-on and switching-off transmission mechanism, wherein the switching-on and switching-off transmission mechanism drives a handle or trip in the traditional circuit breaker to realize switching-on or switching-off according to requirements.
Most of the current intelligent circuit breakers are passively opened and are in a remote monitoring state, few of the current intelligent circuit breakers are actively opened, and as the circuit breakers are easy to break after being opened for many times, the circuit breakers are required to be overhauled, maintained and replaced, the common intelligent circuit breakers do not have the function of recording the opening times, and the arc extinguishing chambers in the common circuit breakers are mostly used for realizing arc extinguishing through injecting insulating oil, and the insulating oil can enter moisture when being used for a long time, and meanwhile, some carbonized and aged substances can be contained, so that oil conduction is caused, fire hazards are easy to cause when the insulating oil is short-circuited, the whole shell is required to be detached when the insulating oil is replaced, so that the problems that the common intelligent circuit breakers have no functions of site indication and maintenance recording and the like are still to be solved.
Disclosure of Invention
The invention aims to provide a wireless intelligent circuit breaker so as to solve the problem that the circuit breaker is inconvenient because the whole shell is required to be disassembled when insulating oil is replaced in the prior art.
The technical scheme includes that the wireless intelligent circuit breaker comprises a shell, wherein a connecting rod is arranged in the shell, a knife switch is arranged on the side wall of the connecting rod, a baffle is vertically arranged at one end of the connecting rod, a tension spring is arranged on one side of the baffle, which is far away from the connecting rod, one end of the tension spring, which is far away from the baffle, is welded on the inner wall of the shell, a push rod is arranged in the tension spring, an eccentric wheel is arranged at one end of the push rod, which is far away from the baffle, and an opening and closing motor is arranged on an input shaft of the eccentric wheel;
a first rack and a second rack are vertically arranged on the side wall of the connecting rod respectively, a first gear is arranged on one side of the first rack, a gear shaft is arranged on one side of the first gear, a driving wheel is meshed with the position, corresponding to the first gear, of the gear shaft, a second gear is arranged on the position, close to the second rack, of the gear shaft, an electromagnetic counter is arranged at the bottom end of the second gear, a hook locking rod is arranged at one end, far away from the baffle, of the connecting rod, an overcurrent release and an undervoltage release are respectively arranged at the bottom ends of the hook locking rod, controllers are respectively arranged at the bottom ends of the overcurrent release and the undervoltage release, a magnet rod is arranged on one side, close to the second gear, of the gear shaft, and a Hall element capable of inducing magnetic field change is arranged in the electromagnetic counter;
A wireless receiver is arranged on one side of the controller, a wireless transmitter is arranged at one end of the wireless receiver, a GPS module is arranged at one end of the wireless transmitter, a loudspeaker is arranged at one end of the GPS module, a TF card slot is arranged at the bottom end of the loudspeaker, a display screen is arranged on the surface of the shell at a position corresponding to the controller, and a control key is arranged on one side of the display screen;
The switch motor, the electromagnetic counter, the wireless receiver, the wireless transmitter, the GPS module, the TF card slot and the display screen are electrically connected with the control key, and the control key is electrically connected with an external power supply.
The further improved scheme in the technical scheme is as follows:
1. In the scheme, the first gear, the driving wheel and the second gear are all equal in size.
2. In the above scheme, advance oil pipe is installed on the top of casing, and go out oil pipe is installed to the bottom of casing, advance oil pipe and go out the outside of oil pipe on threaded connection have sealed lid.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages and effects:
1. The wireless intelligent circuit breaker is characterized in that a first gear and a second gear are respectively arranged in the movement direction of a first rack and a second rack on a connecting rod, when the connecting rod is released due to short circuit and a knife switch is separated, the connecting rod starts to slide, the second rack drives the second gear to rotate in an engaged mode, when the connecting rod slides under the action of a push rod due to active short circuit, the second rack drives the first gear to rotate, the first gear drives a driving wheel to rotate, and the driving wheel drives the second gear to rotate in an engaged mode, so that a magnet rod on a gear shaft on the second gear completes one-time circuit breaking counting through a Hall element in an electromagnetic counter, supervision is facilitated, maintenance and replacement are conducted on the circuit breaker, and the service life of the circuit breaker is strictly controlled.
2. According to the wireless intelligent circuit breaker, the oil inlet pipe is arranged at the top end of the wireless intelligent circuit breaker, the oil outlet pipe is arranged at the bottom end of the wireless intelligent circuit breaker, the oil inlet pipe and the sealing cover on the oil outlet pipe can be opened periodically, insulating oil is injected into the oil inlet pipe, the original insulating oil in the oil inlet pipe is extruded out of the oil outlet pipe, the problem that the insulating oil is sticky and is required to be cleaned by disassembling the shell is avoided, the oil quality can be quickly replaced, carbonization, ageing substances and moisture in the oil are reduced, the problem that the conductive substances are contained in the oil is avoided, and the hidden danger of fire disaster caused by short circuit is greatly reduced.
3. The wireless intelligent circuit breaker is internally provided with the TF card slot, can be inserted into the TF card, is recorded through the control key after an operator maintains each time and is stored in the TF card, so that the operator can conveniently turn over or send the TF card to an external host through a wireless transmitter, and the internal GPS module is beneficial to displaying the position of the circuit breaker, so that the operator can conveniently find a specific circuit breaker and maintain the circuit breaker, and the wireless intelligent circuit breaker is more practical and convenient.
Drawings
FIG. 1 is a schematic diagram of a wireless intelligent circuit breaker of the present invention;
FIG. 2 is a front view of the wireless intelligent circuit breaker of the present invention;
FIG. 3 is a diagram showing the physical effects of the wireless intelligent circuit breaker gear of the invention;
FIG. 4 is a partial top view of the wireless intelligent circuit breaker link of the present invention;
FIG. 5 is a flow chart of a circuit breaking monitoring program of the wireless intelligent circuit breaker of the invention;
Fig. 6 is a flow chart of an active circuit breaking procedure of the wireless intelligent circuit breaker of the invention.
In the drawings, 1, a shell, 2, a connecting rod, 3, a knife switch, 4, a tension spring, 5, a baffle, 6, a push rod, 7, an eccentric wheel, 8, a brake opening and closing motor, 9, a lock hook rod, 10, an overcurrent release, 11, an undervoltage release, 12, a first rack, 13, a first gear, 14, a second gear, 15, a second rack, 16, an electromagnetic counter, 17, an oil inlet pipe, 18, an oil outlet pipe, 19, a controller, 20, a wireless receiver, 21, a wireless transmitter, 22, a GPS module, 23, a TF card slot, 24, a loudspeaker, 25, a display screen, 26, an operating button, 27, a protective cover, 28, a driving wheel, 29 and a magnet rod.
Detailed Description
The present patent will be further clarified by the specific examples given below, but they are not intended to be limiting
Examples: A wireless intelligent circuit breaker comprises a shell 1, wherein a connecting rod 2 is arranged in the shell 1, a knife 3 is arranged on the side wall of the connecting rod 2, a baffle 5 is vertically arranged at one end of the connecting rod 2, a tension spring 4 is arranged on one side of the baffle 5 far away from the connecting rod 2, one end of the tension spring 4 far away from the baffle 5 is welded on the inner wall of the shell 1, a push rod 6 is arranged in the interior of the tension spring 4, an eccentric wheel 7 is arranged on one end of the push rod 6 far away from the baffle 5, an opening and closing motor 8 is arranged on an input shaft of the eccentric wheel 7, the model of the opening and closing motor 8 is JK28-003-104, a first rack 12 and a second rack 15 are respectively vertically arranged on the side wall of the connecting rod 2, a first gear 13 is arranged on one side of the first rack 12, a gear shaft is arranged on one side of the first gear 13, a driving wheel 28 is meshed at the position corresponding to the first gear 13, and a second gear 14 is arranged on the gear shaft near the position of the second rack 15, an electromagnetic counter 16 is arranged at the bottom end of the second gear 14, a lock hook rod 9 is arranged at one end of the electromagnetic counter 16, which is far away from the baffle 5, of the connecting rod 2, a controller 19 is arranged at the bottom ends of the lock hook rod 9, the signal of the controller 19 is MAM-330, a wireless receiver 20 is arranged at one side of the controller 19, the model YS-53 of the wireless receiver 20, a wireless transmitter 21 is arranged at one end of the wireless receiver 20, the model PT2272-M4 of the wireless transmitter 21, a GPS module 22 is arranged at one end of the wireless transmitter 21, the model K20B of the GPS module is arranged at one end of the GPS module 22, a loudspeaker 24 is arranged at one end of the GPS module 22, the TF card slot 23 is installed to the bottom of speaker 24, and display screen 25 is installed to the position department corresponding to controller 19 on the surface of casing 1, and control button 26 is installed on one side of display screen 25, and floodgate motor 8, electromagnetic counter 16, wireless receiver 20, wireless transmitter 21, GPS module 22, TF card slot 23 and display screen 25 all with control button 26 electric connection, control button 26 and external power source electric connection.
In the embodiment, a magnet rod 29 is arranged on one side of the gear shaft, which is close to the second gear 14, a Hall element is arranged in the electromagnetic counter 16, so that the change of the magnetic field of a magnet can be induced, when the magnet rod 29 swings, the counter counts one time when the magnet rod passes through the Hall element once every swinging, the number of times of circuit breaking due to active circuit breaking or short circuit protection can be recorded, supervision is convenient, the circuit breaker is maintained and replaced, and the service life of the circuit breaker is strictly controlled;
The first gear 13, the driving wheel 28 and the second gear 14 are equal in size, so that the first rack 12 drives the first gear 13 to rotate, the first gear 13 drives the driving wheel 28 to rotate, and the steering and torque of the driving wheel 28 driving the second gear 14 is equal to the steering and torque of the second rack 15 driving the second gear 14;
The oil inlet pipe 17 is arranged at the top end of the shell 1, the oil outlet pipe 18 is arranged at the bottom end of the shell 1, the oil inlet pipe 17 and the outer side of the oil outlet pipe 18 are connected with sealing covers in a threaded manner, the sealing covers can be opened, insulating oil is injected into the oil inlet pipe 17, the original insulating oil is extruded, the phenomenon of impure oil quality caused by free carbonization, aging or wetting in the insulating oil is avoided, and the hidden danger of fire disaster caused by short circuit is greatly avoided;
The shortest distance between the ejector rod 6 and the baffle 5 is equal to the shortest distance between the baffle 5 and the inner wall of the shell 1, so that when the lock hook rod 9 is lifted under the action of the overcurrent release 10 and the undervoltage release 11 in short circuit, the movement of the connecting rod 2 is not blocked due to the contact between the ejector rod 6 and the baffle 5 when the connecting rod 2 is pulled back under the action of the tension spring 4;
the display screen 25 and the outside of controlling button 26 all install protective cover 27, and protective cover 27's top is articulated with casing 1 to be connected, and protective cover 27 avoids not small-size to bump down and controls button 26, leads to breaking circuit, and still has waterproof, dirt-proof effect, uses more conveniently.
Working principle: when the invention is used, when a circuit is broken, an inductive coil on the overcurrent release 10 can generate a magnetic field, the armature above the inductive coil is adsorbed, the armature swings and jacks up the locking hook rod 9, the locking hook on the connecting rod 2 is separated from the locking hook rod 9, at the moment, the connecting rod 2 is retracted under the action of the tension spring 4, the knife 3 is separated from the circuit, the circuit breaking is completed, when the connecting rod 2 moves leftwards, the second rack 15 drives the second gear 14 to rotate, a magnet rod 29 on a gear shaft on the second gear 14 swings in the electromagnetic counter 16 and passes through the Hall element once, meanwhile, the wireless transmitter 21 can send the positioning information of the breaker state and the GPS module to an external host, after maintenance personnel maintain the circuit, the circuit is closed again, after the connecting rod 2 is reset, the magnet rod 29 passes through the Hall element once again, one cycle is completed, the counter counts a time at this time and records in the TF card slot 23, then a maintainer can also carry out maintenance record through operating the key 26 after maintenance, when the active circuit breaking is needed, an instruction is sent to the controller 19 through an external host machine and is received by the wireless receiver 20, meanwhile, the switch-on and switch-off motor 8 drives the eccentric wheel 7 to rotate and extrudes the ejector rod 6, so that the ejector rod 6 jacks up the baffle 5 and drives the connecting rod 2 to move, the knife 3 is separated from the circuit, the tension spring 4 stretches, at this time, the first rack 12 drives the first gear 13 to rotate, the first gear 13 drives the driving wheel 28 to rotate, the driving wheel 28 drives the second gear 14 to rotate through the gear shaft, so that the magnet rod 29 passes through the Hall element once, after the switch-on, the magnet rod 29 passes through the Hall element once again, one cycle is completed, and one count is carried out, and can regularly open the sealed lid on advance oil pipe 17 and the play oil pipe 18 to pour into insulating oil into oil pipe 17 department, extrude inside original insulating oil from play oil pipe, avoid insulating oil to glue thick, need carry out the loaded down with trivial details of clearance through dismantling casing 1, and can quick change oily, carbonization, ageing substance and the moisture in the reduction oil, avoid having a kind to contain electrically conductive material, greatly reduced the hidden danger that arouses the conflagration when short circuit, whole work flow ends. What is not described in detail in this specification is prior art known to those skilled in the art.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411420697.8A CN119252717A (en) | 2018-12-25 | 2018-12-25 | Wireless intelligent circuit breaker |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811592451.3A CN111370272B (en) | 2018-12-25 | 2018-12-25 | Intelligent circuit breaker with remote override function |
| CN202411420697.8A CN119252717A (en) | 2018-12-25 | 2018-12-25 | Wireless intelligent circuit breaker |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811592451.3A Division CN111370272B (en) | 2018-12-25 | 2018-12-25 | Intelligent circuit breaker with remote override function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119252717A true CN119252717A (en) | 2025-01-03 |
Family
ID=71212459
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411420697.8A Pending CN119252717A (en) | 2018-12-25 | 2018-12-25 | Wireless intelligent circuit breaker |
| CN201811592451.3A Active CN111370272B (en) | 2018-12-25 | 2018-12-25 | Intelligent circuit breaker with remote override function |
| CN202411455614.9A Pending CN119495537A (en) | 2018-12-25 | 2018-12-25 | Remote controlled intelligent circuit breaker |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811592451.3A Active CN111370272B (en) | 2018-12-25 | 2018-12-25 | Intelligent circuit breaker with remote override function |
| CN202411455614.9A Pending CN119495537A (en) | 2018-12-25 | 2018-12-25 | Remote controlled intelligent circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN119252717A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113506696A (en) * | 2021-08-13 | 2021-10-15 | 树创工业设计研究院(乐清)有限公司 | An intelligent circuit breaker with adjustable bluetooth address of liquid crystal display |
| CN114446733B (en) * | 2022-01-19 | 2022-11-22 | 中群电气有限公司 | Thing networking intelligence miniature circuit breaker |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2255730B1 (en) * | 1973-12-20 | 1977-06-10 | Merlin Gerin | |
| CN202373535U (en) * | 2011-12-14 | 2012-08-08 | 苏州工业园区新宏博通讯科技有限公司 | Circuit breaker actuating mechanism for three-phase power supply protector |
| CN103441009B (en) * | 2013-08-26 | 2015-09-23 | 徐州新电高科电气有限公司 | A kind of circuit breaker |
| CN205564663U (en) * | 2016-05-06 | 2016-09-07 | 王明晟 | But electromagnetic interference resistance's electric power low -voltage circuit breaker |
| CN106128875B (en) * | 2016-08-22 | 2018-06-05 | 杭州天目电力科技有限公司 | A kind of leakage circuit breakers switching off/on device of manauto conversion |
| CN209312689U (en) * | 2018-12-25 | 2019-08-27 | 苏州工业园区和顺电气股份有限公司 | Intelligent breaker with remote override function |
-
2018
- 2018-12-25 CN CN202411420697.8A patent/CN119252717A/en active Pending
- 2018-12-25 CN CN201811592451.3A patent/CN111370272B/en active Active
- 2018-12-25 CN CN202411455614.9A patent/CN119495537A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN111370272B (en) | 2024-09-17 |
| CN111370272A (en) | 2020-07-03 |
| CN119495537A (en) | 2025-02-21 |
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