CN114142608A - Relay protection screen cabinet - Google Patents
Relay protection screen cabinet Download PDFInfo
- Publication number
- CN114142608A CN114142608A CN202111419135.8A CN202111419135A CN114142608A CN 114142608 A CN114142608 A CN 114142608A CN 202111419135 A CN202111419135 A CN 202111419135A CN 114142608 A CN114142608 A CN 114142608A
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- module
- relay protection
- protection
- cabinet
- processing module
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- 238000012545 processing Methods 0.000 claims abstract description 35
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims description 14
- 239000011521 glass Substances 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000012800 visualization Methods 0.000 abstract description 2
- 238000004861 thermometry Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000005336 safety glass Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000009993 protective function Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0096—Radiation pyrometry, e.g. infrared or optical thermometry for measuring wires, electrical contacts or electronic systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention relates to the technical field of electrical equipment, in particular to a relay protection screen cabinet. The relay protection screen cabinet also comprises a temperature measurement module and a detection device, wherein the temperature measurement module is used for measuring the temperature of a secondary circuit, the protection device and a protection pressing plate in the cabinet body; the detection system comprises a camera module and a processing module which are connected with each other, the camera module is used for shooting the relay protection screen cabinet and transmitting a shot picture to the processing module, and the processing module is used for analyzing the running state of the relay protection screen cabinet. Through installing camera module and temperature measurement module additional, carry out real time monitoring to this relay protection screen cabinet, realize running state's visualization to can in time discover the hidden danger that exists in this relay protection screen cabinet operation through processing module.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a relay protection screen cabinet.
Background
The relay protection device is the first line of defense of the power grid safety. The relay protection device is installed on a relay protection chamber of a transformer substation, a relay protection screen cabinet in a high-voltage chamber and a high-voltage cabinet, and hard contact signals and soft messages of the relay protection device can be sent to a background in a cable mode, a network cable mode and the like for operators to look up. And to the protection device pilot lamp state on the relay protection screen cabinet, reclosing handle state, protection clamp plate position information and cable run pine take off the discernment of the condition and have not had practical monitoring means yet, so to the website of no person on duty, need the operation personnel regularly to the scene record once protection device pilot lamp and reclosing handle, protection clamp plate position information once monthly, not only consume a large amount of manpower and materials, and because unable real time monitoring, can not discover the defect of protection screen cabinet in time, consequently have certain hidden danger, the safety of electric wire netting operation is seriously threatened.
Disclosure of Invention
The invention aims to provide a relay protection screen cabinet, which can monitor the running state of the relay protection screen cabinet in real time, send the running state data to a background processing module, discover the defects and potential safety hazards of the relay protection screen cabinet in time, and save manpower and material resources without the need of regular on-site inspection work.
In order to achieve the purpose, the invention adopts the following technical scheme:
a relay protection screen cabinet comprises a cabinet body, an operation surface, a protection module, a protection pressing plate, a temperature measurement module and a detection system, wherein the operation surface is positioned on one side of the cabinet body, and a reclosing handle is arranged on the operation surface and used for controlling a reclosing device in the cabinet body to be closed or disconnected; the protection module comprises a protection device and a first display panel, the protection device is installed inside the cabinet body, and the first display panel is arranged on the operation surface; the protective pressing plate is arranged on the operation surface; the temperature measuring module is arranged on the operation surface and is used for measuring the temperature of the secondary circuit, the protection device and the protection pressing plate in the cabinet body; the detection system comprises a camera module and a processing module which are connected with each other, the camera module is used for shooting the reclosing handle, the first display panel, the protection pressing plate and the temperature measuring module, the camera module transmits a shot picture to the processing module, and the processing module is used for analyzing and reporting the running state of the relay protection screen cabinet.
Optionally, the camera module is connected to the processing module through a wireless local area network.
Optionally, the camera module is connected to the cabinet body through a connecting piece, and the camera module and the cabinet body share one power supply.
Optionally, the temperature measurement module is an infrared thermometer.
Optionally, the thermometry module is connected to the processing module, the thermometry module configured to upload the measured temperature parameter to the processing module.
Optionally, the temperature measurement module is connected to the processing module through a wireless local area network.
Optionally, an indicator light is disposed on the first display panel, and the indicator light is used for displaying an operation state of the protection device.
Optionally, still include the safety glass door, the safety glass door is installed on cabinet body outer wall, and the safety glass door sets up with the operation face homonymy and is used for protecting the operation face.
Optionally, the protective platen is one of a protective function platen or an exit platen.
Optionally, the cabinet body is further provided with a heat dissipation structure.
Has the advantages that:
through installing camera module and temperature measurement module additional, carry out real time monitoring to this relay protection screen cabinet's reclosing handle, first display panel, protection clamp plate and temperature measurement module, realize running state's is visual to upload to processing module with the photo that camera module obtained, processing module can remote monitoring and in time discover the hidden danger that exists in this relay protection screen cabinet operation, has saved personnel and has regularly patrolled and examined required manpower, material resources.
Drawings
Fig. 1 is a schematic diagram of a relay protection cabinet provided in a preferred embodiment of the present invention;
in the figure:
100. a cabinet body; 110. an operation surface; 111. a reclosing handle; 120. a first display panel; 130. a protective pressing plate; 140. a temperature measuring module; 150. a camera module; 151. a connecting member.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Referring to fig. 1, fig. 1 shows a schematic diagram of a relay protection cabinet in this embodiment. In this embodiment, the relay protection screen cabinet includes a cabinet body 100, an operation panel 110, a protection module, a protection pressing plate 130, a temperature measuring module 140 and a detection system, where the operation panel 110 is located at one side of the cabinet body 100, and a reclosing handle 111 is arranged on the operation panel 110 and is used for controlling the reclosing device in the cabinet body 100 to be switched on or off; the protection module includes a protection device (not shown in the figure) and a first display panel 120, the protection device is installed inside the cabinet 100, and the first display panel 120 is disposed on the operation surface 110; the protective pressing plate 130 is arranged on the operation surface 110; the temperature measuring module 140 is arranged on the operation surface 110 and is used for measuring the temperature of the secondary circuit, the protection device and the protection pressing plate 130 in the cabinet 100; the detection system comprises a camera module 150 and a processing module (not shown in the figure), wherein the camera module 150 is used for shooting the reclosure handle 111, the first display panel 120, the protection pressing plate 130 and the temperature measuring module 140, and transmitting the shot pictures to the processing module, and the processing module is used for analyzing the running state of the relay protection screen cabinet. By additionally installing the camera module 150 and the temperature measurement module 140, the relay protection cabinet can monitor the operation state of the relay protection cabinet in real time, and send the operation state data to the processing module of the background. It can be thought that the processing module can use artificial intelligence technology to capture the key information of the photo, eliminate the interference caused by the environment, compare with the original states of the protection pressing plate 130, the indicator light, the protection device and the reclosing handle 111 stored in the system, judge whether the states of the above parts are normal, and finally give an inspection report and a conclusion, so that the staff can find the defects and the potential safety hazards of the relay protection screen cabinet in time, and the work of periodic on-site inspection is not needed, thereby saving manpower and material resources.
Alternatively, the camera module 150 is connected to the processing module via a wireless local area network. The wireless local area network does not need to use network cable transmission, saves the cost for setting up the network cable, avoids untimely data transmission caused by network cable damage, and can transmit data such as photos to the processing module more quickly and safely, so that a worker can directly obtain the running state of the relay protection screen cabinet from the processing module.
In a preferred embodiment, the camera module 150 is connected to the cabinet 100 through a connector 151, and shares a power source with the cabinet 100. The connection member 151 is a 20866;, type link, a 20866;, one end of which is connected to the camera module 150 and the other end of which is connected to the cabinet body 100, and preferably, the 20866;, type link is circumferentially rotatable on the cabinet body 100 so that the camera module 150 rotates around the cabinet body 100 and real-time monitors the operation condition of the relay protection screen cabinet indicated on the operation panel 110 of the cabinet body 100, the operation condition of the air switch installed on the rear surface of the cabinet body 100, and the safety condition around the cabinet body 100. Furthermore, the camera module 150 and the temperature measurement module 140 share a power supply with the cabinet body 100, that is, the power supply of the relay protection screen cabinet is used, so that a power supply and an electric wire do not need to be additionally erected to supply power to the camera module 150 and the temperature measurement module 140, the existence of a parasitic power supply is avoided, and the safe operation of the relay protection screen cabinet is protected.
In an alternative embodiment, thermometry module 140 is an infrared thermometer. The infrared thermometer is small in size, quick in response and accurate in temperature measurement, can measure the temperature of a secondary circuit in the cabinet body 100, the protection device and the protection pressing plate 130 through the infrared thermometer, can detect which circuit temperature is abnormal through measuring the temperature of the secondary circuit, can output temperature parameters from the display screen in real time, and facilitates the camera module 150 to acquire the temperature parameters of all parts on the relay protection cabinet in time, so that whether abnormal conditions such as screw looseness exist or not is judged, and an alarm worker can process the abnormal conditions in time.
In another alternative embodiment, the thermometry module 140 is connected to the processing module, and the thermometry module 140 is configured to upload the measured temperature parameter to the processing module. Further, the temperature measuring module 140 is connected to the processing module through a wireless local area network. Temperature measurement module 140 can regularly detect the temperature parameter in the cabinet body 100 through timing device, realizes the visualization of temperature parameter, also can call temperature measurement module 140 to carry out the temperature measurement, and directly transmit the temperature parameter who records to processing module, report an emergency and ask for help or increased vigilance the position that generates heat unusually, can make things convenient for the direct temperature distribution and the running state who obtains this relay protection screen cabinet of staff from processing module, make inspection and monitoring work simpler, swift.
Optionally, an indicator light is disposed on the first display panel 120, and the indicator light is used for displaying the operation state of the protection device. The indicating lamp can directly display the running state of the protection device, the identification difficulty of the processing module is further reduced, and the working personnel can accurately obtain the running state of the protection device.
Optionally, the cabinet further comprises a protective glass door (not shown in the figure), the protective glass door is installed on the outer wall of the cabinet body 100, and the protective glass door is arranged on the same side as the operating surface 110 and is used for protecting the operating surface 110 and the protection device is an air switch. The protective glass door can protect the operation surface from being impacted by foreign objects, prevent the operation surface from generating faults due to water inflow, improve the operation safety of the relay protection screen cabinet and reduce the probability of faults.
Optionally, the protective platen 130 is one of a protective function platen or an exit platen. The protection function pressing plate realizes the functions of the protection device such as main protection, distance protection, zero sequence protection and the like. The outlet pressure plate determines the result of the protection action and can be divided into a tripping outlet pressure plate and a starting pressure plate according to different objects of the protection action outlet. The trip outlet pressure plate acts directly on the switch or on other switches in series, typically a strong voltage plate. The starting pressure plate is used for other protection switching-in purposes, such as a failure starting pressure plate, a locking backup power automatic switching pressure plate and the like, and strong electricity and weak electricity exist according to different switching-in loops.
Optionally, a heat dissipation structure is further disposed on the cabinet 100. The heat dissipation structure can timely discharge heat generated by the operation of each electrical element of the relay protection screen cabinet, reduce the probability of failure of the relay protection screen cabinet and improve the operation safety.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a relay protection screen cabinet, includes the cabinet body (100), its characterized in that still includes:
the operation panel (110) is positioned on one side of the cabinet body (100), a reclosing handle (111) is arranged on the operation panel (110), and the reclosing handle (111) is used for controlling the reclosing device in the cabinet body (100) to be closed or opened;
the protection module comprises a protection device and a first display panel (120), the protection device is installed inside the cabinet body (100), and the first display panel (120) is arranged on the operation surface (110);
the protective pressing plate (130), the protective pressing plate (130) is arranged on the operation surface (110);
the temperature measuring module (140), the temperature measuring module (140) is arranged on the operating surface (110), and the temperature measuring module (140) is used for measuring the temperature of the secondary circuit, the protection device and the protection pressing plate (130) in the cabinet body (100);
the detection system comprises a camera module (150) and a processing module which are connected with each other, wherein the camera module (150) is used for shooting the reclosing handle (111), the first display panel (120), the protection pressing plate (130) and the temperature measuring module (140) and uploading a shot picture to the processing module, and the processing module is used for analyzing and reporting the running state of the relay protection screen cabinet.
2. The relay protection cabinet according to claim 1, wherein the camera module (150) is connected to the processing module through a wireless local area network.
3. The relay protection screen cabinet according to claim 2, wherein the camera module (150) is connected to the cabinet body (100) through a connecting member (151), and the camera module (150) and the cabinet body (100) share a power supply.
4. The relay protection cabinet according to claim 1, wherein the temperature measuring module (140) is an infrared thermometer.
5. The relay protection cabinet according to claim 4, wherein the temperature measurement module (140) is connected to the processing module, and the temperature measurement module (140) uploads the measured temperature parameter to the processing module.
6. The relay protection cabinet according to claim 5, wherein the temperature measuring module (140) is connected to the processing module through a wireless local area network.
7. The relay protection cubicle according to claim 1, wherein an indicator light is disposed on the first display panel (120) and is used to display the operation status of the protection device.
8. The relay protection screen cabinet according to claim 1, further comprising a protective glass door, wherein the protective glass door is installed on an outer wall of the cabinet body (100), and the protective glass door is disposed on the same side as the operation surface (110) and is used for protecting the operation surface (110).
9. The relaying protection screen of claim 1, wherein the protection platen (130) is one of a protection function platen or an exit platen.
10. The relay protection screen cabinet according to claim 1, wherein the cabinet body (100) is further provided with a heat dissipation structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111419135.8A CN114142608B (en) | 2021-11-26 | 2021-11-26 | Relay protection screen cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111419135.8A CN114142608B (en) | 2021-11-26 | 2021-11-26 | Relay protection screen cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114142608A true CN114142608A (en) | 2022-03-04 |
| CN114142608B CN114142608B (en) | 2024-02-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111419135.8A Active CN114142608B (en) | 2021-11-26 | 2021-11-26 | Relay protection screen cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN114142608B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204012660U (en) * | 2014-07-15 | 2014-12-10 | 国家电网公司 | A kind of protection equipment for transformer based on screen cabinet temperature Real-Time Monitoring |
| CN204068204U (en) * | 2014-08-08 | 2014-12-31 | 国家电网公司 | Based on the Novel reactor protective device of screen cabinet temperature Real-Time Monitoring |
| CN205263688U (en) * | 2015-12-16 | 2016-05-25 | 河南普航电子设备有限公司 | Historical relic's protection cabinet with controllable function of remote monitoring function and humiture |
| CN112199806A (en) * | 2020-10-09 | 2021-01-08 | 中国南方电网有限责任公司 | Electric power secondary screen cabinet capability description system |
| CN214202124U (en) * | 2021-03-10 | 2021-09-14 | 福建永福运维科技有限公司 | Intelligent monitoring screen cabinet of power distribution room |
| CN214542939U (en) * | 2021-03-05 | 2021-10-29 | 国网江苏省电力有限公司无锡供电分公司 | Stack installation formula distribution protection screen cabinet |
| CN214590129U (en) * | 2021-05-06 | 2021-11-02 | 王欢欢 | Electrical equipment safe operation protection device |
-
2021
- 2021-11-26 CN CN202111419135.8A patent/CN114142608B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204012660U (en) * | 2014-07-15 | 2014-12-10 | 国家电网公司 | A kind of protection equipment for transformer based on screen cabinet temperature Real-Time Monitoring |
| CN204068204U (en) * | 2014-08-08 | 2014-12-31 | 国家电网公司 | Based on the Novel reactor protective device of screen cabinet temperature Real-Time Monitoring |
| CN205263688U (en) * | 2015-12-16 | 2016-05-25 | 河南普航电子设备有限公司 | Historical relic's protection cabinet with controllable function of remote monitoring function and humiture |
| CN112199806A (en) * | 2020-10-09 | 2021-01-08 | 中国南方电网有限责任公司 | Electric power secondary screen cabinet capability description system |
| CN214542939U (en) * | 2021-03-05 | 2021-10-29 | 国网江苏省电力有限公司无锡供电分公司 | Stack installation formula distribution protection screen cabinet |
| CN214202124U (en) * | 2021-03-10 | 2021-09-14 | 福建永福运维科技有限公司 | Intelligent monitoring screen cabinet of power distribution room |
| CN214590129U (en) * | 2021-05-06 | 2021-11-02 | 王欢欢 | Electrical equipment safe operation protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114142608B (en) | 2024-02-13 |
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