CN220438561U - Deep sea seismic source electrode array excitation gas temporary storage device - Google Patents

Deep sea seismic source electrode array excitation gas temporary storage device Download PDF

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Publication number
CN220438561U
CN220438561U CN202322090955.8U CN202322090955U CN220438561U CN 220438561 U CN220438561 U CN 220438561U CN 202322090955 U CN202322090955 U CN 202322090955U CN 220438561 U CN220438561 U CN 220438561U
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cabin
electrode array
temporary storage
gas
module
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CN202322090955.8U
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李先锋
刘凯
刘晨光
李西双
阚光明
石学法
刘保华
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First Institute of Oceanography MNR
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First Institute of Oceanography MNR
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Abstract

The utility model discloses a deep sea seismic source electrode array excitation gas temporary storage device which comprises a pulse power supply cabin, an electrode array cabin, a gas temporary storage cabin and a gas conveying cabin, wherein the pulse power supply cabin comprises a control module, a charging module, a discharging module and an energy storage module, the electrode array cabin comprises a multi-electrode array, and the gas temporary storage cabin comprises a decompression cabin and a constant pressure valve. According to the utility model, the electrode array cabin is controlled by the pulse power supply cabin, the multi-electrode array in the electrode array cabin is arranged in seawater and is discharged to generate pulse sound waves to electrolyze the seawater, non-condensable gas is generated, the gas enters the gas temporary storage cabin through the communicating pipe, and the gas temporary storage cabin is communicated with the electrode array cabin, so that the pressure in the gas temporary storage cabin is not increased due to accumulation of hydrogen, and the gas temporary storage cabin is provided with an independent decompression cabin and a constant pressure valve to discharge the entered gas, so that the multi-electrode array can continuously work, and the earthquake detection efficiency can be greatly improved.

Description

Deep sea seismic source electrode array excitation gas temporary storage device
Technical Field
The utility model relates to the technical field of deep sea seismic exploration, in particular to a gas temporary storage device for excitation of a deep sea seismic source electrode array.
Background
In the conventional marine seismic exploration, an electric spark seismic source transmitting array is towed to the sea surface by a survey ship, sound waves transmitted by the electric spark seismic source are transmitted by sea water, reflected by the sea bottom, received and collected by a hydrophone array, and then further calculated and imaged to analyze and judge the geological condition of the sea bottom. When the conventional marine seismic exploration mode works in a deep sea area, the exploration resolution and the penetration depth of the conventional marine seismic equipment to the deep sea stratum are reduced due to the fact that sea water attenuates sound waves (particularly high-frequency sound waves) greatly.
The prior art has the following defects: when the emission array discharges and excites earthquake, the sea water is electrolyzed at the moment of discharging and non-condensable gas is generated, and the gas accumulation and the internal pressure increase in a sealed cabin of the emission array are caused along with the continuous working time of the emission array, so that the distortion of a vibrator is caused, the characteristic of amplitude and frequency is changed, and the quality of the excitation sound wave of the emission array is seriously influenced; moreover, along with the increase of the duration of continuous operation of the transmitting array, the pressure in the transmitting array cabin is increased, the possibility of explosion of cabin bodies or explosion of substances exists before and during pressure relief, potential threat is caused to equipment safety and personnel safety, and aiming at the existing defects, a deep sea seismic source electrode array excitation gas temporary storage device capable of decompressing stored gas is designed.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a gas temporary storage device for excitation of a deep sea seismic source electrode array.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model discloses a deep sea seismic source electrode array excitation gas temporary storage device which comprises a pulse power supply cabin, an electrode array cabin, a gas temporary storage cabin and a gas conveying cabin, wherein the pulse power supply cabin comprises a control module, a charging module, a discharging module and an energy storage module, a photoelectric composite cable is arranged between the electrode array cabin and the pulse power supply cabin, the electrode array cabin comprises a multi-electrode array, a communicating pipe is arranged between the gas temporary storage cabin and the electrode array cabin, the gas temporary storage cabin comprises a decompression cabin and a constant pressure valve, the gas conveying cabin is arranged at one end of the communicating pipe, and the gas conveying cabin comprises a pipeline communicating groove, a connecting groove, a protective ring, a sealing gasket and an electric valve.
As a preferable technical scheme of the utility model, the pulse power supply cabin is made of one material of carbon fiber, stainless steel or titanium alloy, the control module controls the charging module to charge the energy storage module, the charging module boosts and rectifies a power supply to charge the energy storage module, the discharging module is a discharging switch and works under the control of the control module, electric energy is controlled to be conducted to the multi-electrode array, the switch in the discharging module is controlled to work, and the energy storage module comprises one or more capacitors for storing the electric energy provided by the charging module.
As a preferable technical scheme of the utility model, the electrode array cabin is made of carbon fiber, flow holes are formed in two sides of the electrode array cabin, and the electrode array cabin is filled with seawater through the flow holes in two sides.
As a preferable technical scheme of the utility model, the gas temporary storage cabin is made of one material of carbon fiber, stainless steel or titanium alloy, and the gas temporary storage cabin is communicated with the electrode array cabin through a communicating pipe.
As a preferable technical scheme of the utility model, the decompression chamber is arranged in the gas temporary storage chamber, the constant pressure valve is arranged between the decompression chamber and the gas temporary storage chamber, and the rear ends of the gas temporary storage chamber and the decompression chamber are provided with the air suction holes.
As a preferable technical scheme of the utility model, two ends of the gas delivery cabin are connected with the communicating pipes, wherein the input end of one communicating pipe is communicated with the output end of the electrode array cabin, the output end of the communicating pipe is communicated with the input end of the gas delivery cabin, the input end of the other communicating pipe is communicated with the output end of the gas delivery cabin, and the output end of the communicating pipe is communicated with the gas temporary storage cabin.
As a preferable technical scheme of the utility model, the communicating pipe is spliced with the gas delivery cabin through the communicating groove, the connecting groove is in a threaded groove design, threads matched with the connecting groove are arranged on the outer side of the end part of the communicating pipe, a protection pipe is arranged in the gas delivery cabin, the protection pipe is sleeved on the outer side of the protection pipe, the sealing gasket is tubular and sleeved on the outer side of the protection pipe, and the electric valve is fixed at the center of the gas delivery cabin.
As a preferable technical scheme of the utility model, a stop piece is arranged between the sealing gasket and the inner wall of the gas delivery cabin, a spring piece is arranged at the position, close to the electric valve, of one end of the sealing gasket, the spring piece and the stop piece are in threaded connection with the protection pipe, and the stop piece and the spring piece are both tubular.
As a preferable technical scheme of the utility model, the sealing gasket and the stopping piece are propped against the protective ring, one side of the protective ring is tightly clung to the communicating pipeline, the other side of the protective ring is tightly clung to the sealing gasket and the stopping piece, the protective ring is a sealing rubber ring, and the sealing gasket is a sealing ring which swells when meeting water.
As a preferable technical scheme of the utility model, a hook is fixed at the bottom of the pulse power supply cabin, and the other end of the hook is connected with the photoelectric composite cable in a hanging mode.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the electrode array cabin is controlled by the pulse power supply cabin, the multi-electrode array in the electrode array cabin is arranged in seawater and is discharged to generate pulse sound waves to electrolyze the seawater, non-condensable gas is generated, the gas enters the gas temporary storage cabin through the communicating pipe, and the gas temporary storage cabin is communicated with the electrode array cabin, so that the pressure in the gas temporary storage cabin is not increased due to accumulation of hydrogen, the gas temporary storage cabin is provided with the independent decompression cabin and the constant pressure valve, the entered gas is discharged, the multi-electrode array can continuously work, the quality of the seismic source wavelet is kept unchanged, the seismic detection efficiency can be greatly improved, the waste of precious ship time and manpower is avoided, and the safety of equipment and personnel is not endangered.
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a connection block diagram of the present utility model;
FIG. 3 is a schematic view of a partial structure of a gas delivery capsule;
FIG. 4 is a part A schematic view of a partial schematic view of a gas delivery module;
in the figure: 1. a pulse power supply cabin; 101. a control module; 102. a charging module; 103. a discharge module; 104. an energy storage module; 2. an electrode array compartment; 201. a multi-electrode array; 3. a gas temporary storage cabin; 301. decompression chamber; 302. a constant pressure valve; 303. an air suction hole; 4. an optoelectronic composite cable; 5. a communicating pipe; 6. a gas delivery module; 601. a pipe communication groove; 602. a connecting groove; 603. a protective ring; 604. a stopper; 605. a protective tube; 606. a sealing gasket; 607. a spring plate; 608. an electric valve.
Detailed Description
As shown in fig. 1-4, the utility model provides a deep sea seismic source electrode array excitation gas temporary storage device, which comprises a pulse power supply cabin 1, an electrode array cabin 2, a gas temporary storage cabin 3 and a gas delivery cabin 6, wherein the pulse power supply cabin 1 comprises a control module 101, a charging module 102, a discharging module 103 and an energy storage module 104, a photoelectric composite cable 4 is arranged between the electrode array cabin 2 and the pulse power supply cabin 1, the electrode array cabin 2 comprises a multi-electrode array 201, a communicating pipe 5 is arranged between the gas temporary storage cabin 3 and the electrode array cabin 2, the gas temporary storage cabin 3 comprises a decompression cabin 301 and a constant pressure valve 302, the gas delivery cabin 6 is arranged at one end of the communicating pipe 5, and the gas delivery cabin 6 comprises a pipeline communicating groove 601, a connecting groove 602, a protective ring 603, a sealing gasket 606 and an electric valve 608.
Further, the pulse power cabin 1 is made of one material of carbon fiber, stainless steel or titanium alloy, the control module 101 controls the charging module 102 to charge the energy storage module 104, the charging module 102 boosts and rectifies the power to charge the energy storage module 104, the discharging module 103 is a discharging switch, the discharging switch works under the control of the control module 101, the electric energy is controlled to be conducted to the multi-electrode array 201, the switch in the discharging module 103 works, the energy storage module 104 comprises one or more capacitors, and the electric energy provided by the charging module 102 is stored.
The electrode array cabin 2 is made of carbon fiber, can resist deep water high static pressure and can penetrate sound, flow holes are formed in two sides of the electrode array cabin 2, the electrode array cabin 2 is filled with seawater through flow Kong Chongying on two sides, the multi-electrode array 201 is arranged in the seawater, and the multi-electrode array 201 discharges in the seawater to generate pulse sound waves.
The gas temporary storage cabin 3 is made of one material of carbon fiber, stainless steel or titanium alloy, and the gas temporary storage cabin 3 is communicated with the electrode array cabin 2 through a communicating pipe 5 and is used for temporarily storing non-condensable gas generated by the discharge ionization of the seawater by the multi-electrode array 201.
The decompression chamber 301 is disposed in the gas temporary storage chamber 3, the constant pressure valve 302 is disposed between the decompression chamber 301 and the gas temporary storage chamber 3, the rear ends of the gas temporary storage chamber 3 and the decompression chamber 301 are provided with the air suction holes 303, when the pressure in the gas temporary storage chamber 3 is higher than normal pressure due to the increase of non-condensable gas generated by the discharge ionization of seawater by the multi-electrode array 201, the constant pressure valve 302 is automatically opened, and the redundant gas is released into the decompression chamber 301 to maintain the normal pressure state in the gas temporary storage chamber 3.
The both ends of gas delivery cabin 6 all are connected with communicating pipe 5, and the input of one communicating pipe 5 communicates with the output of electrode array cabin 2, and the output communicates with the input of gas delivery cabin 6, and the input of another communicating pipe 5 communicates with the output of gas delivery cabin 6, and the output communicates with gas temporary storage cabin 3 for gas passes through communicating pipe 5 and passes through gas delivery cabin 6 and enter into gas temporary storage cabin 3.
Communicating pipe 5 is pegged graft through the intercommunication groove with gas delivery cabin 6 for communicating pipe 5 can communicate with gas delivery cabin 6, and spread groove 602 is the thread groove design, and communicating pipe 5's tip outside sets up the screw thread with spread groove 602 adaptation, and fastens communicating pipe 5 and gas delivery cabin 6's connection through the screw thread, and gas delivery cabin 6's inside is provided with protection pipe 605, and the outside at protection pipe 605 is established to the guard circle 603 cover, and sealing washer 606 is the tubulose, and the suit is in the outside of protection pipe 605, and electric valve 608 is fixed in gas delivery cabin 6's inside center department.
A stop piece 604 is arranged between the sealing gasket 606 and the inner wall of the gas delivery cabin 6, a spring piece 607 is arranged at the position, close to the electric valve 608, of one end of the sealing gasket 606, the spring piece 607 and the stop piece 604 are in threaded connection with the protection pipe 605, and the stop piece 604 and the spring piece 607 are tubular.
The sealing gasket 606 and the stopping piece 604 are abutted against the protecting ring 603, one side of the protecting ring 603 is tightly attached to the communicating pipe 5, the other side of the protecting ring 603 is tightly attached to the sealing gasket 606 and the stopping piece 604, the protecting ring 603 is a sealing rubber ring, and the sealing gasket 606 is a sealing ring which expands when meeting water, so that a tight sealing space is formed between the gas temporary storage cabin 3 and the communicating pipe 5.
The bottom of the pulse power supply cabin 1 is fixed with a hook, and the other end of the hook is connected with the photoelectric composite cable 4 in a hanging manner and is used for bearing the dragging tension of the photoelectric composite cable 4 and the electrode array cabin 2 in the offshore moving process of the pulse power supply cabin 1.
Specifically, the electrode array cabin 2 is connected with the pulse power cabin 1 through a photoelectric composite cable 4, the control module 101 of the pulse power cabin 1 controls the charging module 102 to boost and rectify power to charge the energy storage module 104, the control module 101 controls the power to work, the control power is conducted to the multi-electrode array 201 to control the switch in the discharging module 103 to work, the energy storage module 104 stores the power provided by the charging module 102, the electrode array cabin 2 is filled with seawater, the multi-electrode array 201 is internally arranged in the seawater to discharge to generate pulse sound waves, the electric spark and the vibration source excite instant, the high pressure generated by the transmitting array electrolyzes the seawater to generate non-condensable gas, the gas enters the gas temporary storage cabin 3 through the communicating pipe 5 through the gas conveying cabin 6, and the gas temporary storage cabin 3 is communicated with the electrode array cabin 2, in order to avoid the increase of the internal pressure of the gas temporary storage tank 3 caused by the accumulation of hydrogen, an independent decompression chamber 301 and a constant pressure valve 302 are arranged in the gas temporary storage tank 3, the air in the decompression chamber 301 in the gas temporary storage tank 3 is pumped out as much as possible before the operation, the gas temporary storage tank 3 is at normal pressure before the operation, the decompression chamber 301 is at negative pressure (near vacuum state), the constant pressure valve 302 is arranged between the gas temporary storage tank 3 and the decompression chamber 301, when the pressure in the gas temporary storage tank 3 is higher than normal pressure due to the increase of non-condensable gas generated by the discharge ionization of seawater by the multi-electrode array 201, the constant pressure valve 302 is automatically opened, redundant gas is released into the decompression chamber 301 to maintain the normal pressure state in the gas temporary storage tank 3, then the constant pressure valve 302 is automatically closed, the equipment is recovered after the operation is finished, and the gas in the decompression chamber 301 is pumped out again so as to be convenient for the next deep sea operation;
the gas needs to pass through the communicating pipe 5 and enter the gas temporary storage cabin 3 through the gas delivery cabin 6, the communicating pipe 5 is spliced with the gas delivery cabin 6 through a communicating groove, the communicating pipe 5 is fastened with the connection of the gas delivery cabin 6 through threads, the connecting end of the communicating pipe 5 and the gas delivery cabin 6 is protected through a protective pipe 605 in the gas delivery cabin 6, the connection between the protective pipe 605 and the communicating pipe 5 is reinforced and sealed through a protective ring 603, a sealing gasket 606 and a stop piece 604 which are sleeved on the outer side of the protective pipe 605, finally the connection of the two communicating pipes 5 is fastened through an innermost elastic piece 607, the elastic piece 607 is tightly attached to the outer side of the communicating pipe 5, a tight sealing space is formed between the gas temporary storage cabin 3 and the communicating pipe 5, and the starting of an electric valve 608 is controlled through the control module 101, so that the gas delivery can be controlled.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a deep sea focus electrode array excitation gas temporary storage device, its characterized in that includes pulse power cabin (1), electrode array cabin (2), gas temporary storage cabin (3) and gas delivery cabin (6), pulse power cabin (1) include control module (101), charge module (102), discharge module (103) and energy storage module (104), electrode array cabin (2) with be provided with photoelectricity composite cable (4) between pulse power cabin (1), electrode array cabin (2) include multi-electrode array (201), gas temporary storage cabin (3) with be provided with communicating pipe (5) between electrode array cabin (2), gas temporary storage cabin (3) include decompression cabin (301) and constant voltage valve (302), gas delivery cabin (6) set up the one end of communicating pipe (5), gas delivery cabin (6) include pipeline intercommunication groove (601), spread groove (602), protection circle (603), sealing pad (606) and electric valve (608).
2. The deep sea seismic source electrode array excitation gas temporary storage device according to claim 1, wherein the pulse power supply cabin (1) is made of one of carbon fiber, stainless steel or titanium alloy, the control module (101) controls the charging module (102) to charge the energy storage module (104), the charging module (102) boosts and rectifies a power supply to charge the energy storage module (104), the discharging module (103) is a discharging switch, the control module (101) works under the control of the control module, electric energy is controlled to be conducted to the multi-electrode array (201), the switch in the discharging module (103) is controlled to work, and the energy storage module (104) comprises one or more capacitors for storing electric energy provided by the charging module (102).
3. The deep sea seismic source electrode array excitation gas temporary storage device according to claim 1, wherein the electrode array cabin (2) is made of carbon fiber, flow holes are formed in two sides of the electrode array cabin (2), and the electrode array cabin (2) is filled with seawater through the flow holes in two sides.
4. The deep sea seismic source electrode array excitation gas temporary storage device according to claim 1, wherein the gas temporary storage cabin (3) is made of one of carbon fiber, stainless steel or titanium alloy, and the gas temporary storage cabin (3) is communicated with the electrode array cabin (2) through a communicating pipe (5).
5. The deep sea seismic source electrode array excitation gas temporary storage device according to claim 1, wherein the decompression chamber (301) is arranged in the gas temporary storage chamber (3), the constant pressure valve (302) is arranged between the decompression chamber (301) and the gas temporary storage chamber (3), and the rear ends of the gas temporary storage chamber (3) and the decompression chamber (301) are provided with gas pumping holes (303).
6. The deep sea seismic source electrode array excitation gas temporary storage device according to claim 1, wherein two ends of the gas conveying cabin (6) are connected with the communicating pipes (5), one of the input ends of the communicating pipes (5) is communicated with the output end of the electrode array cabin (2), the output end of the communicating pipe is communicated with the input end of the gas conveying cabin (6), the input end of the other communicating pipe (5) is communicated with the output end of the gas conveying cabin (6), and the output end of the communicating pipe is communicated with the gas temporary storage cabin (3).
7. The deep sea seismic source electrode array excitation gas temporary storage device according to claim 6, wherein the communicating pipe (5) is inserted into the gas conveying cabin (6) through the communicating groove, the connecting groove (602) is designed as a threaded groove, threads matched with the connecting groove (602) are arranged on the outer side of the end part of the communicating pipe (5), a protective pipe (605) is arranged in the gas conveying cabin (6), the protective ring (603) is sleeved on the outer side of the protective pipe (605), the sealing gasket (606) is tubular and sleeved on the outer side of the protective pipe (605), and the electric valve (608) is fixed at the inner center of the gas conveying cabin (6).
8. The deep sea seismic source electrode array excitation gas temporary storage device according to claim 7, wherein a stopper (604) is arranged between the sealing gasket (606) and the inner wall of the gas delivery cabin (6), a spring piece (607) is arranged at a position, close to the electric valve (608), at one end of the sealing gasket (606), both the spring piece (607) and the stopper (604) are in threaded connection with the protection pipe (605), and both the stopper (604) and the spring piece (607) are tubular.
9. The device for temporarily storing excited gas of the deep sea seismic source electrode array according to claim 8, wherein the sealing gasket (606) and the stopping piece (604) are abutted against the protecting ring (603), one side of the protecting ring (603) is tightly attached to the communicating pipe (5), the other side of the protecting ring is tightly attached to the sealing gasket (606) and the stopping piece (604), the protecting ring (603) is a sealing rubber ring, and the sealing gasket (606) is a sealing ring which swells when meeting water.
10. The temporary storage device for the excitation gas of the deep sea seismic source electrode array according to claim 1, wherein a hook is fixed at the bottom of the pulse power supply cabin (1), and the other end of the hook is connected with the photoelectric composite cable (4) in a hanging mode.
CN202322090955.8U 2023-08-04 2023-08-04 Deep sea seismic source electrode array excitation gas temporary storage device Active CN220438561U (en)

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Application Number Priority Date Filing Date Title
CN202322090955.8U CN220438561U (en) 2023-08-04 2023-08-04 Deep sea seismic source electrode array excitation gas temporary storage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322090955.8U CN220438561U (en) 2023-08-04 2023-08-04 Deep sea seismic source electrode array excitation gas temporary storage device

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CN220438561U true CN220438561U (en) 2024-02-02

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