CN115119082A - Remote analog signal wireless real-time transmission equipment and working method thereof - Google Patents

Remote analog signal wireless real-time transmission equipment and working method thereof Download PDF

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Publication number
CN115119082A
CN115119082A CN202210805403.8A CN202210805403A CN115119082A CN 115119082 A CN115119082 A CN 115119082A CN 202210805403 A CN202210805403 A CN 202210805403A CN 115119082 A CN115119082 A CN 115119082A
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China
Prior art keywords
receiving end
analog quantity
transmitting
module
wireless
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CN202210805403.8A
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Chinese (zh)
Inventor
崔善超
刘亮
龙文浩
陈云
陶清
赵波
程书进
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JIANGSU RED LIGHT INSTRUMENT AND METER PLANT CO LTD
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JIANGSU RED LIGHT INSTRUMENT AND METER PLANT CO LTD
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Priority to CN202210805403.8A priority Critical patent/CN115119082A/en
Publication of CN115119082A publication Critical patent/CN115119082A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q9/00Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2209/00Arrangements in telecontrol or telemetry systems
    • H04Q2209/40Arrangements in telecontrol or telemetry systems using a wireless architecture

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Selective Calling Equipment (AREA)

Abstract

The invention belongs to the technical field of analog quantity signal application, and particularly discloses remote analog quantity signal wireless real-time transmission equipment which comprises a transmitting end and a receiving end, wherein the transmitting end comprises a transmitting end instrument box, a transmitting end wireless module, a transmitting end analog quantity acquisition module, a transmitting end 24V power supply, a transmitting end air switch and the like, and the receiving end comprises a receiving end instrument box, a receiving end wireless module, a receiving end configuration screen, a receiving end analog quantity adoption module, a receiving end 24V power supply, a receiving end air switch and the like. The invention has the beneficial effects that: 1. the analog quantity signal transmission distance is far, the maximum can reach 10km, and the precision is high; 2. the data transmission is not delayed, the time interval is 20ms, the real-time performance of the data transmission is ensured, no packet loss occurs in the data transmission, and the stability is strong; 3. the cost of laying cables for wired transmission is saved by analog quantity signal transmission, the maintenance amount is small, and the maintenance is almost zero; 4. the transmission equipment is simple and reasonable in design, the components have long service life which can reach 15 years at most, and labor cost is effectively saved.

Description

Remote analog signal wireless real-time transmission equipment and working method thereof
Technical Field
The invention belongs to the technical field of analog quantity signal application, and particularly relates to remote analog quantity signal wireless real-time transmission equipment and a working method thereof, which are applied to industries such as power plants, steel mills, chemical industry, cement building materials, coal minerals, water supply and drainage and the like.
Background
The wireless technology development is more and more mature in the current science and technology society, and the occasion of application is more and more, and to the collection of analog quantity, all use wired collection and transmission under general condition, but under many complicated occasions, laying of cable may have certain difficulty, and the realization collection that adopts wireless transmission mode can be very big convenience of customers and control the function.
The most common analog quantity instrument is a two-wire connection mode, when a system is constructed, a two-core cable needs to be laid, the distance of the cable is calculated according to the actual instrument position and the controller position, and the application occasions of wired transmission are divided into the following types: the instrument data transmission real-time performance requirement is high, for example, in a process control system such as a chemical industry or pharmacy, various parameters of the system are required to be accurately transmitted to a control center in real time, and the real-time performance requirement on the accuracy of data is high. Because the current situation of the product can be reflected in time by the data with high precision and high real-time performance, an operator can adjust corresponding process parameters in time according to the data fed back by the system so as to ensure the quality of the product.
Large-scale engineering system: for large-scale projects, cables of a plurality of meters can be laid by wiring at one time, for example, eight-core cables can be used for supplying power to four nearby two-wire meters, or a plurality of cables can be laid in a cable trough frame together, so that the time is saved. The mode of wired transmission is more used on the upgrading of existing equipment, in original system, increases one or more analog instrument, and original cable does not have the reserve, increases the wiring again, and the cost is more, wastes time and energy moreover. The wireless transmission mode can better complete the system upgrading work, the implementation mode of the wireless transmission has various forms, the specific implementation principle may be different, but actually, the transparent transmission mode is adopted, two devices are required to be paired, one device sends data and the other device receives data.
The analog quantity signal is transmitted through wireless and wired signals, and the analog quantity signal has the characteristics of wide application and high universality.
Currently, wireless and wired signal transmission have disadvantages: 1. cable signal wires need to be laid for wired transmission signals, a circuit system with large redundancy is formed, and the circuit system is complex; 2. extra wiring is added in wired transmission, so that the cost is high, time and labor are wasted, and the troubleshooting is difficult; 3. some wireless transmission time intervals are generally 3 minutes to 10 minutes, which cannot guarantee real-time signal transmission, and causes data transmission delay and signal loss. 4. The system of general wireless transmission signal, the precision is not high, and electronic components often damages, needs often to change, increases extra cost.
Therefore, in view of the above problems, the present invention provides a remote analog signal wireless real-time transmission device and a working method thereof.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide remote analog quantity signal wireless real-time transmission equipment and a working method thereof, which solve the technical problems in the background art, such as signal cables need to be laid on lines, complex lines, signal loss and poor accuracy in general wireless analog quantity signal transmission and the like.
The technical scheme is as follows: the invention provides a remote analog quantity signal wireless real-time transmission device which comprises a transmitting end and a receiving end, wherein the transmitting end comprises a transmitting end instrument box, a transmitting end wireless module, a transmitting end analog quantity acquisition module, a transmitting end 24V power supply and a transmitting end air switch, wherein the transmitting end wireless module, the transmitting end 24V power supply and the transmitting end air switch are arranged in the transmitting end instrument box and are respectively connected with the transmitting end analog quantity acquisition module; the receiving end comprises a receiving end instrument box, a receiving end wireless module, a receiving end configuration screen, a receiving end analog quantity adoption module, a receiving end 24V power supply and a receiving end air switch, wherein the receiving end wireless module, the receiving end configuration screen, the receiving end 24V power supply and the receiving end air switch are arranged in the receiving end instrument box; a transmitting end analog quantity acquisition module of the transmitting end acquires and transmits a field analog quantity signal; and the receiving end analog quantity of the receiving end adopts a module to receive the collected field analog quantity signal transmitted by the transmitting end analog quantity collecting module, and the field analog quantity signal is transmitted to the DCS.
This technical scheme, remote analog signal wireless real-time transmission equipment still includes transmitting terminal wireless antenna, the receiving terminal wireless antenna who sets up respectively on transmitting terminal instrument box, receiving terminal instrument box, and wherein, transmitting terminal wireless antenna is connected with transmitting terminal wireless module, and receiving terminal wireless antenna is connected with receiving terminal wireless module.
According to the technical scheme, the receiving end configuration screen displays a terminal configuration picture, and monitors, controls and manages parameter data of the transmitting end.
In the technical scheme, the transmitting end analog quantity acquisition module or the receiving end analog quantity adoption module comprises but is not limited to 6ES7134-6FB00-0BA1 or 6ES7134-6FF00-0AA 1.
The second aspect of the invention provides a working method of remote analog signal wireless real-time transmission equipment, which comprises the following steps of (1) accessing a field analog signal to a transmitting end analog acquisition module in a transmitting end instrument box, processing the field analog signal by the transmitting end analog acquisition module, and transmitting the field analog signal through a transmitting end wireless module and a transmitting end wireless antenna. And (2) receiving the parameter information transmitted in the step (1) by a receiving end wireless antenna and a receiving end wireless module of the receiving end instrument box, feeding the parameter information back to a receiving end analog quantity adoption module by the receiving end wireless module, receiving and processing the fed-back parameter information by the receiving end analog quantity adoption module, and transmitting the processed field analog quantity signal parameter information to the DCS through the receiving end wireless module and the receiving end wireless antenna.
According to the technical scheme, the transmitting end wireless module and the transmitting end wireless antenna send the data packet which is processed by the transmitting end analog quantity acquisition module and carries the analog quantity in an electromagnetic wave form; the receiving end wireless module receives electromagnetic waves with the same frequency, converts the electromagnetic waves into parameter data with a corresponding format and feeds the parameter data back to the receiving end analog quantity adopting module, and the receiving end analog quantity adopting module processes the parameter data with the corresponding format.
Compared with the prior art, the remote analog signal wireless real-time transmission equipment and the working method thereof have the advantages that: 1. the analog quantity signal transmission distance is far, the maximum can reach 10km, and the precision is high; 2. the data transmission is not delayed, the time interval is 20ms, the real-time performance of the data transmission is ensured, no packet loss occurs in the data transmission, and the stability is strong; 3. the cost of laying cables for wired transmission is saved by analog quantity signal transmission, the maintenance amount is little, and the maintenance is almost zero; 4. the transmission equipment is simple and reasonable in design, the components and parts have long service lives which can reach 15 years at most, and labor cost is effectively saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a remote analog signal wireless real-time transmission device according to the present invention;
FIG. 2 is a schematic structural diagram of a transmitting end component of a remote analog signal wireless real-time transmission device according to the present invention;
FIG. 3 is a schematic structural diagram of a receiving end of a remote analog signal wireless real-time transmission device according to the present invention;
FIG. 4 is an electrical schematic diagram of a transmitting end wireless module or a receiving end wireless module of the remote analog signal wireless real-time transmission device according to the present invention;
fig. 5 and fig. 6 are electrical schematic diagrams of an analog quantity acquisition module at a transmitting end or an analog quantity acquisition module at a receiving end of the remote analog quantity signal wireless real-time transmission device according to the present invention;
wherein, the sequence numbers in the figure are as follows: 10-transmitting end instrument box, 11-transmitting end wireless antenna, 12-transmitting end wireless module, 13-transmitting end analog quantity acquisition module, 14-transmitting end 24V power supply, 15-transmitting end air switch, 20-receiving end instrument box, 21-receiving end wireless antenna, 22-receiving end wireless module, 23-receiving end configuration screen, 24-receiving end analog quantity adoption module, 25-receiving end 24V power supply and 26-receiving end air switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that the terms "top", "bottom", "one side"
"the other side", "the front", "the back", "the middle part", "the inside", "the top",
the bottom "and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and for simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
A remote analog signal wireless real-time transmission device as shown in fig. 1, fig. 2 and fig. 3 comprises a transmitting end and a receiving end,
the transmitting terminal comprises a transmitting terminal instrument box 10, a transmitting terminal wireless module 12, a transmitting terminal analog quantity acquisition module 13, a transmitting terminal 24V power supply 14 and a transmitting terminal air switch 15, wherein the transmitting terminal wireless module 12, the transmitting terminal 24V power supply 14 and the transmitting terminal air switch 15 are arranged in the transmitting terminal instrument box 10, the transmitting terminal wireless module 12, the transmitting terminal 24V power supply 14 and the transmitting terminal air switch 15 are respectively connected with the transmitting terminal analog quantity acquisition module 13, the transmitting terminal wireless module 12 is connected with the transmitting terminal 24V power supply 14, and the transmitting terminal 24V power supply 14 is connected with the transmitting terminal air switch 15;
the receiving end comprises a receiving end instrument box 20, a receiving end wireless module 22, a receiving end configuration screen 23, a receiving end analog quantity adoption module 24, a receiving end 24V power supply 25 and a receiving end air switch 26, wherein the receiving end wireless module 22, the receiving end configuration screen 23, the receiving end 24V power supply 25 and the receiving end air switch 26 are arranged in the receiving end instrument box 20, the receiving end wireless module 22, the receiving end configuration screen 23, the receiving end 24V power supply 25 and the receiving end air switch 26 are respectively connected with the receiving end analog quantity adoption module 24, the receiving end configuration screen 23 is respectively connected with the receiving end wireless module 22 and the receiving end 24V power supply 25, and the receiving end 24V power supply 25 is connected with the receiving end air switch 26;
a transmitting end analog quantity acquisition module 13 of a transmitting end acquires and transmits a field analog quantity signal;
the receiving end analog quantity adopting module 24 of the receiving end receives the collected field analog quantity signal transmitted by the transmitting end analog quantity collecting module 13, and the field analog quantity signal is transmitted to the DCS system.
Example two
A remote analog signal wireless real-time transmission device as shown in fig. 1, fig. 2 and fig. 3 comprises a transmitting end and a receiving end,
the transmitting terminal comprises a transmitting terminal instrument box 10, a transmitting terminal wireless module 12, a transmitting terminal analog quantity acquisition module 13, a transmitting terminal 24V power supply 14 and a transmitting terminal air switch 15, wherein the transmitting terminal wireless module 12, the transmitting terminal 24V power supply 14 and the transmitting terminal air switch 15 are arranged in the transmitting terminal instrument box 10, the transmitting terminal wireless module 12, the transmitting terminal 24V power supply 14 and the transmitting terminal air switch 15 are respectively connected with the transmitting terminal analog quantity acquisition module 13, the transmitting terminal wireless module 12 is connected with the transmitting terminal 24V power supply 14, and the transmitting terminal 24V power supply 14 is connected with the transmitting terminal air switch 15;
the receiving end comprises a receiving end instrument box 20, a receiving end wireless module 22, a receiving end configuration screen 23, a receiving end analog quantity adoption module 24, a receiving end 24V power supply 25 and a receiving end air switch 26, wherein the receiving end wireless module 22, the receiving end configuration screen 23, the receiving end 24V power supply 25 and the receiving end air switch 26 are arranged in the receiving end instrument box 20, the receiving end wireless module 22, the receiving end configuration screen 23, the receiving end 24V power supply 25 and the receiving end air switch 26 are respectively connected with the receiving end analog quantity adoption module 24, the receiving end configuration screen 23 is respectively connected with the receiving end wireless module 22 and the receiving end 24V power supply 25, and the receiving end 24V power supply 25 is connected with the receiving end air switch 26;
a transmitting end analog quantity acquisition module 13 of a transmitting end acquires and transmits a field analog quantity signal;
a receiving end analog quantity adopting module 24 of the receiving end receives a collected field analog quantity signal transmitted by the transmitting end analog quantity collecting module 13, and the field analog quantity signal is transmitted to the DCS;
the transmitting end instrument box 10 and the receiving end instrument box 20 are respectively provided with a transmitting end wireless antenna 11 and a receiving end wireless antenna 21, wherein the transmitting end wireless antenna 11 is connected with the transmitting end wireless module 12, and the receiving end wireless antenna 21 is connected with the receiving end wireless module 22.
Preferably, the remote analog signal wireless real-time transmission device with the structure has the advantages that the receiving end configuration screen 23 displays a terminal configuration picture and monitors, controls and manages parameter data of the transmitting end.
Preferably, the remote analog signal wireless real-time transmission device with the structure, the transmitting end analog acquisition module 13 or the receiving end analog acquisition module 24 includes, but is not limited to, 6ES7134-6FB00-0BA1 or 6ES7134-6FF00-0AA 1.
The working method of the remote analog signal wireless real-time transmission equipment with the structure comprises the following steps,
step (1), the field analog quantity signal is accessed to a transmitting end analog quantity acquisition module 13 in a transmitting end instrument box 10, and the transmitting end analog quantity acquisition module 13 processes the field analog quantity signal and transmits the field analog quantity signal through a transmitting end wireless module 12 and a transmitting end wireless antenna 11;
and (2) receiving the parameter information transmitted in the step (1) by the receiving end wireless antenna 21 and the receiving end wireless module 22 of the receiving end instrument box 20, feeding the parameter information back to the receiving end analog quantity adoption module 24 by the receiving end wireless module 22, receiving the processed and fed-back parameter information by the receiving end analog quantity adoption module 24, and transmitting the processed field analog quantity signal parameter information to the DCS through the receiving end wireless module 22 and the receiving end wireless antenna 21.
The transmitting end wireless module 12 and the transmitting end wireless antenna 11 transmit the data packet carrying the analog quantity processed by the transmitting end analog quantity acquisition module 13 in the form of electromagnetic waves; the receiving-end wireless module 22 receives the electromagnetic waves with the same frequency, converts the electromagnetic waves into parameter data with a corresponding format, and feeds the parameter data back to the receiving-end analog quantity adoption module 24, and the receiving-end analog quantity adoption module 24 processes the parameter data with the corresponding format.
In addition, 485 communication is adopted between the transmitting end analog quantity acquisition module 13 and the transmitting end wireless module 12, and 485 communication is adopted between the receiving end analog quantity acquisition module 24 and the receiving end wireless module 22 or the receiving end configuration screen 23.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.

Claims (6)

1. The utility model provides a long-range analog signal wireless real-time transmission equipment, includes transmitting terminal and receiving terminal, its characterized in that: the transmitting terminal comprises a transmitting terminal instrument box (10), and a transmitting terminal wireless module (12), a transmitting terminal analog quantity acquisition module (13), a transmitting terminal 24V power supply (14) and a transmitting terminal air switch (15) which are arranged in the transmitting terminal instrument box (10), wherein the transmitting terminal wireless module (12), the transmitting terminal 24V power supply (14) and the transmitting terminal air switch (15) are respectively connected with the transmitting terminal analog quantity acquisition module (13), the transmitting terminal wireless module (12) is connected with the transmitting terminal 24V power supply (14), and the transmitting terminal 24V power supply (14) is connected with the transmitting terminal air switch (15); the receiving end comprises a receiving end instrument box (20), a receiving end wireless module (22), a receiving end configuration screen (23), a receiving end analog quantity adoption module (24), a receiving end 24V power supply (25) and a receiving end idle switch (26), wherein the receiving end wireless module (22), the receiving end configuration screen (23), the receiving end 24V power supply (25) and the receiving end idle switch (26) are arranged in the receiving end instrument box (20), the receiving end wireless module (22), the receiving end configuration screen (23), the receiving end idle switch (26) are respectively connected with the receiving end analog quantity adoption module (24), the receiving end configuration screen (23) is respectively connected with the receiving end wireless module (22) and the receiving end 24V power supply (25), and the receiving end 24V power supply (25) is connected with the receiving end idle switch (26); a transmitting end analog quantity acquisition module (13) of the transmitting end acquires and transmits a field analog quantity signal; and a receiving end analog quantity adopting module (24) of the receiving end receives a collected field analog quantity signal transmitted by the transmitting end analog quantity collecting module (13), and the field analog quantity signal is transmitted to the DCS.
2. The apparatus for wireless real-time transmission of analog signals over a long distance according to claim 1, wherein: the remote analog signal wireless real-time transmission equipment further comprises a transmitting end wireless antenna (11) and a receiving end wireless antenna (21) which are respectively arranged on the transmitting end instrument box (10) and the receiving end instrument box (20), wherein the transmitting end wireless antenna (11) is connected with the transmitting end wireless module (12), and the receiving end wireless antenna (21) is connected with the receiving end wireless module (22).
3. The apparatus for wireless real-time transmission of analog signals over a long distance according to claim 1, wherein: the receiving end configuration screen (23) displays a terminal configuration picture and monitors, controls and manages parameter data of the transmitting end.
4. The apparatus for wireless real-time transmission of analog signals over a long distance according to claim 1, wherein: the transmitting end analog quantity acquisition module (13) or the receiving end analog quantity adoption module (24) comprises but is not limited to 6ES7134-6FB00-0BA1 or 6ES7134-6FF00-0AA 1.
5. The working method of the remote analog signal wireless real-time transmission equipment according to any one of claims 1-4, characterized in that: comprises the following steps of (a) carrying out,
the method comprises the following steps that (1) a field analog quantity signal is connected to a transmitting end analog quantity acquisition module (13) in a transmitting end instrument box (10), the transmitting end analog quantity acquisition module (13) processes the field analog quantity signal and transmits the field analog quantity signal through a transmitting end wireless module (12) and a transmitting end wireless antenna (11);
and (2) receiving the parameter information transmitted in the step (1) by a receiving end wireless antenna (21) and a receiving end wireless module (22) of the receiving end instrument box (20), feeding the parameter information back to a receiving end analog quantity adoption module (24) by the receiving end wireless module (22), receiving and processing the fed-back parameter information by the receiving end analog quantity adoption module (24), and transmitting the processed field analog quantity signal parameter information to the DCS through the receiving end wireless module (22) and the receiving end wireless antenna (21).
6. The operating method of the remote analog signal wireless real-time transmission equipment according to claim 5, characterized in that: the transmitting end wireless module (12) and the transmitting end wireless antenna (11) transmit the data packet which is processed by the transmitting end analog quantity acquisition module (13) and carries the analog quantity in an electromagnetic wave form; the receiving end wireless module (22) receives electromagnetic waves with the same frequency, converts the electromagnetic waves into parameter data with a corresponding format and feeds the parameter data back to the receiving end analog quantity adopting module (24), and the receiving end analog quantity adopting module (24) processes the parameter data with the corresponding format.
CN202210805403.8A 2022-07-08 2022-07-08 Remote analog signal wireless real-time transmission equipment and working method thereof Pending CN115119082A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210805403.8A CN115119082A (en) 2022-07-08 2022-07-08 Remote analog signal wireless real-time transmission equipment and working method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210805403.8A CN115119082A (en) 2022-07-08 2022-07-08 Remote analog signal wireless real-time transmission equipment and working method thereof

Publications (1)

Publication Number Publication Date
CN115119082A true CN115119082A (en) 2022-09-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210805403.8A Pending CN115119082A (en) 2022-07-08 2022-07-08 Remote analog signal wireless real-time transmission equipment and working method thereof

Country Status (1)

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CN (1) CN115119082A (en)

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