CN116156827A - Circuit board plug structure and communication box - Google Patents

Circuit board plug structure and communication box Download PDF

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Publication number
CN116156827A
CN116156827A CN202310307192.XA CN202310307192A CN116156827A CN 116156827 A CN116156827 A CN 116156827A CN 202310307192 A CN202310307192 A CN 202310307192A CN 116156827 A CN116156827 A CN 116156827A
Authority
CN
China
Prior art keywords
circuit board
connecting block
shaped frame
male connector
frame body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202310307192.XA
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Chinese (zh)
Other versions
CN116156827B (en
Inventor
徐晓松
曹文选
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Saimo Measurement And Control Technology Co ltd
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Suzhou Saimo Measurement And Control Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Saimo Measurement And Control Technology Co ltd filed Critical Suzhou Saimo Measurement And Control Technology Co ltd
Priority to CN202310307192.XA priority Critical patent/CN116156827B/en
Publication of CN116156827A publication Critical patent/CN116156827A/en
Application granted granted Critical
Publication of CN116156827B publication Critical patent/CN116156827B/en
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Anticipated expiration legal-status Critical

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/14Mounting supporting structure in casing or on frame or rack
    • H05K7/1401Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means
    • H05K7/1402Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards
    • H05K7/1404Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards by edge clamping, e.g. wedges
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/72Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/621Bolt, set screw or screw clamp
    • H01R13/6215Bolt, set screw or screw clamp using one or more bolts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/14Structural association of two or more printed circuits
    • H05K1/142Arrangements of planar printed circuit boards in the same plane, e.g. auxiliary printed circuit insert mounted in a main printed circuit
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mounting Of Printed Circuit Boards And The Like (AREA)

Abstract

The invention belongs to the technical field of circuit board connection structures, and particularly relates to a circuit board plug structure and a communication box, which comprise a first circuit board and a second circuit board, wherein a first male connector and a second female connector are respectively arranged on two sides of the first circuit board; a male connector II connected with the female connector II is arranged on one side of the circuit board II close to the circuit board I; the adjacent sides of the first circuit board and the second circuit board are fixedly connected with a first connecting block and a second connecting block respectively, and corresponding rotary rod holes are formed in the first connecting block and the second connecting block; the second connecting block is connected with a threaded column in a threaded manner, a threaded hole is formed in the first connecting block corresponding to the threaded column, and a slot and a side slot which is in through connection with the slot are formed in one end, deviating from the connecting block, of the threaded column. The application can avoid damaging the circuit board and the connector when the circuit board is disassembled and assembled.

Description

Circuit board plug structure and communication box
Technical Field
The invention belongs to the technical field of circuit board connection structures, and particularly relates to a circuit board plugging structure and a communication box.
Background
Communication refers to communication and transfer of information between persons or between persons and nature through a certain behavior or medium, and is important in any field in the information age. Communication needs to be accomplished by means of various communication devices such as communication boxes, optical fibers, base stations, etc. In the communication box, various electronic components and circuit boards need to be mounted.
In the prior art, because the opening of the communication box body is small, the circuit board is difficult to push to the bottom end of the box body so as to connect the connectors, and the connectors are easy to be damaged due to uneven force application. Meanwhile, in the prior art, as the two circuit boards are connected and communicated through the connector, the connector is fragile, the connector is easy to damage in the process of frequently plugging the circuit boards, and when the two circuit boards connected through the connector are required to be taken out together, the circuit boards which are located inwards cannot be taken out conveniently due to low connection strength of the connector. Meanwhile, in the prior art, a plurality of circuit boards are often densely arranged in the communication box, the distance between adjacent circuit boards is smaller, when the circuit boards are pulled by hands, other circuit boards are often extruded by the hands, and other circuit boards are damaged when careless.
Disclosure of Invention
In view of the above-mentioned shortcomings, the present invention aims to provide a circuit board plug structure and a communication box.
The invention provides the following technical scheme:
a circuit board plug structure comprises a first circuit board and a second circuit board, wherein a first male connector and a second female connector are respectively arranged on two sides of the first circuit board; a male connector II connected with the female connector II is arranged on one side of the circuit board II close to the circuit board I;
the adjacent sides of the first circuit board and the second circuit board are fixedly connected with a first connecting block and a second connecting block respectively, and corresponding rotary rod holes are formed in the first connecting block and the second connecting block;
the second connecting block is connected with a threaded column in a threaded manner, a threaded hole is formed in the first connecting block corresponding to the threaded column, and a slot and a side slot which is in through connection with the slot are formed in one end, deviating from the connecting block, of the threaded column;
the rotary rod is inserted into the rotary rod hole, and the side surface of the rotary rod is provided with a bulge; the end of the rotating rod is provided with a button for controlling the protrusion to extend or retract into the rotating rod.
A communication box comprises the circuit board plug structure; the box body is provided with a first female connector connected with the first male connector; the box body comprises a U-shaped frame body and a cover plate detachably connected with the U-shaped frame body; one side of the U-shaped frame body is detachably connected with an end plate for installing the first female connector, and the other side of the U-shaped frame body is provided with a side plate which is detachably connected with the second circuit board.
And the U-shaped frame body is provided with a fixed block connected with the cabinet.
The end plate is provided with a guide sleeve; one side of the first circuit board provided with the first male connector is provided with a guide head corresponding to the guide sleeve.
A power supply assembly is arranged on one side, close to the end plate, in the U-shaped frame; the first connecting block and the second connecting block are respectively arranged in the middle of the adjacent sides of the first circuit board and the second circuit board;
and the adjacent sides of the first circuit board and the second circuit board are also respectively provided with a third connecting block and a fourth connecting block, the third connecting block and the fourth connecting block correspond to the first male connector, and the third connecting block and the fourth connecting block are respectively provided with corresponding screw rod holes.
The side plate is provided with a first jack corresponding to the screw rod hole on the fourth connecting block, a second jack corresponding to the screw rod hole on the second connecting block and a third jack corresponding to the threaded column on the second connecting block.
The second connecting block is provided with a guide post, and the first connecting block is provided with a guide hole corresponding to the guide post.
At least one pair of side rails are arranged in the U-shaped frame body, and grooves for accommodating the first circuit board and the second circuit board are formed in the side rails.
The beneficial effects of the invention are as follows: the side rails are arranged, so that the circuit board inserted into the box body is supported and limited, and the circuit board is prevented from being bent when being inserted into the box body. The two circuit boards are connected through the first connecting block, the second connecting block and the threaded column, so that the circuit boards are prevented from being damaged in the push-pull process due to the fact that the circuit boards are connected only through the connector. According to the invention, when the first circuit board and the second circuit board are connected through the first connecting block, the second connecting block and the threaded column, the first circuit board and the second circuit board are pulled out of the box body by using the rotary rod, so that the first circuit board and the second circuit board are pulled out of the box body in a connection state of the first circuit board and the second circuit board, the phenomenon that other circuit boards are extruded when the first circuit board and the second circuit board are pulled by hands is avoided, and the circuit board is disconnected when the first circuit board and the second circuit board are connected only through the connector by the hands, and the second circuit board is difficult to be taken out. The invention can also release the fixed state of the first circuit board and the second circuit board through the threaded rod through the rotating rod, and independently pull the second circuit board through the rotating rod, so that the problem that other circuit boards are damaged due to extrusion of other circuit boards caused by manual operation is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a schematic view of a U-shaped frame structure;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic view of the structure of the present application with the cover plate removed;
FIG. 5 is a schematic diagram of a first circuit board and a second circuit board;
FIG. 6 is a schematic diagram of a second circuit board;
FIG. 7 is a schematic view of a threaded post structure;
fig. 8 is a schematic view of the structure of one end of the rotary rod provided with the protrusion.
Marked in the figure as: cover 101, U-shaped frame 102, fixed block 103, female connector one 104, guide sleeve 105, side rail 106, groove 107, end plate 108, power module 109, circuit board one 201, circuit board two 202, guide head 203, male connector one 204, female connector two 205, male connector two 206, side plate 301, jack two 302, jack three 303, jack one 304, connection block three 401, connection block four 402, connection block one 403, connection block two 404, guide post 405, threaded post 406, slot 407, side slot 408, rotation lever 501, protrusion 502, button 503.
Detailed Description
Example 1
As shown in fig. 1-8, a circuit board plug structure includes a first circuit board 201 and a second circuit board 202. The first circuit board 201 is provided with a first male connector 204 and a second female connector 205 on two sides thereof, and the second circuit board 202 is provided with a second male connector 206 connected with the second female connector 205 on one side thereof close to the first circuit board 201.
The adjacent sides of the first circuit board 201 and the second circuit board 202 are fixedly connected with a first connection block 403 and a second connection block 404 respectively, and the heights of the first connection block 403 and the second connection block 404 are lower than those of the second female connector 205 and the second male connector 206, so that the space between the adjacent circuit boards can be reduced as much as possible. Corresponding screw rod holes are arranged on the first connecting block 403 and the second connecting block 404. The second connecting block 404 is connected with a threaded column 406 in a threaded manner, and the first connecting block 403 is provided with a threaded hole corresponding to the threaded column 406. The threaded post 406 is provided with a slot 407 at one end facing away from the connecting block one 403 and a side slot 408 connected with the slot 407 in a penetrating manner.
The rotary rod is characterized by further comprising a rotary rod 501 which can be inserted into the rotary rod hole, wherein a protrusion 502 is arranged on the side surface of the rotary rod, and a button 503 for controlling the protrusion 502 to extend or retract into the rotary rod is arranged at the end part of the rotary rod 501. The structure of the rotary rod 501 is already prior art and will not be described here again.
When the first circuit board 201 and the second circuit board 202 need to be fixed, the screw 501 with the protrusion 502 arranged on the side surface is inserted into the slot 407, the protrusion 502 is clamped into the side slot 408, and the screw 501 is rotated, so that the first connection block 403 and the second connection block 404 are connected together through the screw column 406.
The embodiment also provides a communication box, which comprises the circuit board plugging structure, specifically, at least one group of first circuit boards 201 and second circuit boards 202 are plugged into the box, the circuit boards can be multiple groups, each group of circuit boards comprises the first circuit boards 201 and the second circuit boards 202, and in order to save space, the space between each group of circuit boards can be reserved without considering manual operation of people.
The first female connector 104 is mounted on the housing and is connected to the first male connector 204.
The case includes a U-shaped frame 102 and a cover plate 101 detachably connected to the U-shaped frame 102, and specifically, the cover plate 101 and the U-shaped frame 102 may be connected using screws. One side of the U-shaped frame 102 is detachably connected with an end plate 108 for installing the first female connector 104, and the end plate 108 is also provided with a signal transmission interface in a matching way. The end plate 108 may also be attached to the U-shaped frame 102 using screws. The other side of the U-shaped frame 102 is provided with a side plate 301 which is detachably connected with the second circuit board 202. The side plate 301 can be connected with the second circuit board 202 through screws, so that the protection function is achieved.
In order to support and limit the circuit board formation and thereby avoid deformation of the circuit board during the push-pull process, at least one pair of side rails 106 are mounted in the U-shaped frame 102, and the side rails 106 are provided with grooves 107 for receiving the first circuit board 201 and the second circuit board 202. By arranging the side rail 106, when the circuit board is inserted into the groove 107 to push and pull, supporting and limiting functions can be formed on two sides of the circuit board, and the circuit board is prevented from being deformed during pushing and pulling, so that the circuit board is damaged.
When the connector is installed, the first circuit board 201 is pushed into the box body to lead the first male connector 204 and the first female connector 104 to be in pre-guide contact, and then the rotating rod 501 is used for pushing the first connecting block 403 to lead the first male connector 204 and the first female connector 104 to be connected. The second circuit board 202 is then inserted into the housing, the second connection block 404 is pushed to pre-guide the second female connector 205 and the second male connector 206 into contact, and then the first connection block 403 and the second connection block 404 are connected together by the threaded post 406 by inserting the boss 502 into the slot 407 using the screw 501 provided with the boss 502 on the side, allowing the boss 502 to be caught in the side slot 408, and rotating the screw 501.
When the first circuit board 201 and the second circuit board 202 which are fixed together need to be pulled out of the box together, the boss 502 is retracted into the rotary rod 501, then the rotary rod 501 passes through the rotary rod holes of the second connection block 404 and the first connection block 403 in sequence, then the boss 502 extends out, the boss 502 abuts against the first connection block 403, and then the rotary rod 501 is pulled so as to pull the first circuit board 201 and the second circuit board 202 out of the box together.
When the second circuit board 202 needs to be pulled out of the box body independently, the threaded column 406 is screwed by the rotary rod 501, so that the first circuit board 201 and the second circuit board 202 are not fixed by the threaded column 406, then the boss 502 is retracted into the rotary rod 501, the rotary rod 501 passes through a rotary rod hole formed in the second connecting block 404, the boss 502 extends out, the boss 502 abuts against the second connecting block 404, and then the second circuit board 202 is pulled out of the box body by the rotary rod 501.
Example two
Further, a guide post 405 is installed on the second connection block 404, and a guide hole is provided on the first connection block 403 corresponding to the guide post 405. When the first circuit board 201 and the second circuit board 202 are butted together, the butting accuracy can be improved through the guide post 405.
Example III
Further, the end plate 108 is provided with a guide sleeve 105, and a guide head 203 corresponding to the guide sleeve 105 is mounted on one side of the first circuit board 201 provided with the first male connector 204. When the first male connector 204 and the first female connector 104 are mated together, the mating accuracy can be improved by the guide head 203.
Example IV
Further, the U-shaped frame 102 is provided with a fixing block 103 connected with the cabinet, and the fixing block 103 can be fixed with the cabinet through bolting, so that the communication box is installed in the cabinet.
Example five
A power supply assembly 109 is mounted in the U-shaped housing 102 on the side thereof adjacent to the end plate 108. The first connection block 403 and the second connection block 404 are respectively arranged in the middle of the adjacent sides of the first circuit board 201 and the second circuit board 202. And the adjacent sides of the first circuit board 201 and the second circuit board 202 are also respectively provided with a third connection block 401 and a fourth connection block 402, the third connection block 401 and the fourth connection block 402 correspond to the first male connector 204, and the third connection block 401 and the fourth connection block 402 are respectively provided with corresponding screw rod holes.
Correspondingly, the side plate 301 is provided with a first jack 304 corresponding to a screw rod hole on the fourth connecting block 402, a second jack 302 corresponding to a screw rod hole on the second connecting block 404, and a third jack 303 corresponding to a screw rod 406 on the second connecting block 404.
By arranging the third connection block 401 and the fourth connection block 402 corresponding to the first male connector 204, the first male connector 204 can be more accurately docked or separated with the first female connector 104 when the third connection block 401 and the fourth connection block 402 are pushed and pulled, so that the first male connector 204 can be docked or separated with the first female connector 104 in a dislocation manner due to the push and pull of the first connection block 403 and the second connection block 404 is avoided. Through locating connecting block one 403 and connecting block two 404 respectively in the middle of the adjacent sides of circuit board one 201 and circuit board two 202, can improve circuit board one 201 and circuit board two 202 fixed effect, also can guarantee female connector two 205, male connector two 206 can accurate butt joint or separation.
The foregoing description is only a preferred embodiment of the present invention, and the present invention 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 invention 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 invention should be included in the protection scope of the present invention.

Claims (8)

1. A circuit board plug structure comprises a first circuit board (201) and a second circuit board (202), wherein a first male connector (204) and a second female connector (205) are respectively arranged on two sides of the first circuit board (201); a second male connector (206) connected with a second female connector (205) is arranged on one side of the second circuit board (202) close to the first circuit board (201);
the method is characterized in that:
connecting blocks I (403) and II (404) are fixedly connected to adjacent sides of the circuit board I (201) and the circuit board II (202) respectively, and corresponding screw rod holes are formed in the connecting blocks I (403) and II (404);
a threaded column (406) is connected to the second connecting block (404) in a threaded manner, a threaded hole is formed in the first connecting block (403) corresponding to the threaded column (406), and a slot (407) and a side slot (408) which is in through connection with the slot (407) are formed in one end, away from the first connecting block (403), of the threaded column (406);
the rotary rod (501) can be inserted into the rotary rod hole, and a bulge (502) is arranged on the side surface of the rotary rod (501); the end of the rotary rod (501) is provided with a button (503) for controlling the protrusion (502) to extend or retract into the rotary rod (501).
2. A telecommunications cabinet comprising the circuit board plugging structure of claim 1;
the box body is provided with a female connector I (104) connected with a male connector I (204);
the box body comprises a U-shaped frame body (102) and a cover plate (101) detachably connected with the U-shaped frame body (102);
one side of the U-shaped frame body (102) is detachably connected with an end plate (108) for installing the first female connector (104), and the other side of the U-shaped frame body (102) is provided with a side plate (301) detachably connected with the second circuit board (202).
3. Communication box according to claim 2, characterized in that: the U-shaped frame body (102) is provided with a fixed block (103) connected with the cabinet.
4. Communication box according to claim 2, characterized in that: the end plate (108) is provided with a guide sleeve (105); one side of the first circuit board (201) provided with the first male connector (204) is provided with a guide head (203) corresponding to the guide sleeve (105).
5. Communication box according to claim 2, characterized in that: a power supply assembly (109) is arranged in the U-shaped frame body (102) at one side close to the end plate (108); the first connecting block (403) and the second connecting block (404) are respectively arranged in the middle of the adjacent sides of the first circuit board (201) and the second circuit board (202);
and the adjacent sides of the first circuit board (201) and the second circuit board (202) are also respectively provided with a third connecting block (401) and a fourth connecting block (402), the third connecting block (401) and the fourth connecting block (402) correspond to the first male connector (204), and the third connecting block (401) and the fourth connecting block (402) are respectively provided with corresponding screw rod holes.
6. Communication box according to claim 5, characterized in that: the side plate (301) is provided with a first jack (304) corresponding to a screw rod hole on the fourth connecting block (402), a second jack (302) corresponding to a screw rod hole on the second connecting block (404) and a third jack (303) corresponding to a screw column (406) on the second connecting block (404).
7. Communication box according to claim 2, characterized in that: at least one pair of side rails (106) are arranged in the U-shaped frame body (102), and grooves (107) for accommodating the first circuit board (201) and the second circuit board (202) are formed in the side rails (106).
8. The circuit board plugging structure according to claim 1, wherein: the second connecting block (404) is provided with a guide post (405), and the first connecting block (403) is provided with a guide hole corresponding to the guide post (405).
CN202310307192.XA 2023-03-27 2023-03-27 Circuit board plug structure and communication box Active CN116156827B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310307192.XA CN116156827B (en) 2023-03-27 2023-03-27 Circuit board plug structure and communication box

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Application Number Priority Date Filing Date Title
CN202310307192.XA CN116156827B (en) 2023-03-27 2023-03-27 Circuit board plug structure and communication box

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CN116156827A true CN116156827A (en) 2023-05-23
CN116156827B CN116156827B (en) 2023-10-27

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