CN111193134A - Charging socket structure and charging socket - Google Patents

Charging socket structure and charging socket Download PDF

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Publication number
CN111193134A
CN111193134A CN202010100629.9A CN202010100629A CN111193134A CN 111193134 A CN111193134 A CN 111193134A CN 202010100629 A CN202010100629 A CN 202010100629A CN 111193134 A CN111193134 A CN 111193134A
Authority
CN
China
Prior art keywords
spring
circuit board
printed circuit
terminal
charging socket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010100629.9A
Other languages
Chinese (zh)
Inventor
徐进
刘玉达
朱恺
史汝海
王志伟
王随亚
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.)
Ningbo Junsheng New Energy Automotive Technology Co ltd
Ningbo Junsheng Qunying Automobile System Co Ltd
Original Assignee
Ningbo Junsheng New Energy Automotive Technology Co ltd
Ningbo Junsheng Qunying Automobile System 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 Ningbo Junsheng New Energy Automotive Technology Co ltd, Ningbo Junsheng Qunying Automobile System Co Ltd filed Critical Ningbo Junsheng New Energy Automotive Technology Co ltd
Priority to CN202010100629.9A priority Critical patent/CN111193134A/en
Publication of CN111193134A publication Critical patent/CN111193134A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding   with earth pin, blade or socket

Abstract

The application discloses socket structure and charging socket charge. The charging socket structure includes a printed circuit board, a spring, and a terminal. The spring is arranged at the jack of the printed circuit board and is connected with the integrated circuit on the printed circuit board in a conduction way. The terminal is arranged in the jack of the printed circuit board in a penetrating way and compresses the spring and is connected with the integrated circuit on the printed circuit board in a conduction way through the spring. The application provides a technical scheme can solve current socket that charges, because long-term high temperature leads to elastic component stress relaxation, vibration, impact lead to the contact to cut off suddenly, and installation misoperation leads to reasons such as elastic component inefficacy, leads to the unstable problem of transmission signal.

Description

Charging socket structure and charging socket
Technical Field
The application relates to the technical field of automotive electronics, particularly, relate to a socket structure and charging socket charge.
Background
The new energy electric vehicle charging technology is a key direction of electric vehicle research, wherein how to ensure the reliability of signal acquisition in the charging process is one of the keys of the charging system safety.
Taking a national standard charging socket as an example, the sequence of the contact coupling of the vehicle plug and the vehicle socket in the connection process is as follows: protection ground, charging connection confirmation (CC2), positive DC power supply and negative DC power supply, positive low-voltage auxiliary power supply and negative low-voltage auxiliary power supply, charging communication, charging connection confirmation (CC1), and the sequence is reversed in the disconnecting process. Each step of the above process involves the connection of signals.
At present, when pulling out plug and socket and inserting, because long-term high temperature leads to elastic component stress relaxation, vibration, impact lead to the contact snap, and the installation misoperation leads to reasons such as elastic component inefficacy, the unstable problem of signal transmission appears easily.
Disclosure of Invention
The application provides a socket structure and charging socket charge, it can solve prior art, because long-term high temperature leads to elastic component stress relaxation, vibration, impact lead to the contact to cut off suddenly, and installation misoperation leads to reasons such as elastic component inefficacy, leads to the unstable problem of signal transmission.
In a first aspect, the present application provides a charging socket structure including a printed circuit board, a spring, and a terminal. The spring is arranged at the jack of the printed circuit board and is connected with the integrated circuit on the printed circuit board in a conduction way. The terminal is arranged in the jack of the printed circuit board in a penetrating way and compresses the spring and is connected with the integrated circuit on the printed circuit board in a conduction way through the spring.
Among the above-mentioned scheme, a socket structure that charges is provided, and it has stable signal transmission effect, does not receive the influence of pulling out and inserting the action. A spring is arranged between the printed circuit board and the terminal, and the integrated circuit on the printed circuit board is conducted with the terminal through the spring. Which reduces the operation of crimping so that the terminal is brought into good conduction with the integrated circuit of the printed circuit board. Simultaneously, because the deformation of spring can be so that when pulling out and inserting, the terminal can contact with the spring all the time to guarantee the stable transmission of signal.
In one possible implementation, the terminals include a low voltage signal terminal, a ground terminal, and a high current terminal;
the spring comprises a low-voltage signal spring, a grounding spring and a large-current spring;
the low-voltage signal terminal, the grounding terminal and the large-current terminal are in one-to-one correspondence with the low-voltage signal spring, the grounding spring and the large-current spring and are connected with the integrated circuit on the printed circuit board in a conduction mode.
Optionally, in a possible implementation manner, the charging socket structure further includes a thermal sensor, the thermal sensor is disposed on the printed circuit board and is conductively connected to the integrated circuit on the printed circuit board;
the large-current spring is a heat conduction spring, the heat conduction spring is used for conducting heat of the large-current terminal, and the heat sensor is used for sensing the heat.
Optionally, in one possible implementation, the thermal sensor is a thermistor.
Optionally, in one possible implementation, the printed circuit board includes opposing plugging and mounting faces;
the low-voltage signal spring is arranged on the plugging surface, and the grounding spring and the large-current spring are arranged on the mounting surface.
Optionally, in a possible implementation manner, the charging socket structure further includes a rear insulating base, and the rear insulating base is formed with a first clamping portion and a second clamping portion;
the grounding terminal is clamped to the first clamping part, the high-current terminal is clamped to the second clamping part, and the rear insulating base is connected with the mounting surface;
the grounding terminal is abutted against the grounding spring, and the grounding spring is in a compressed state;
the large-current terminal is abutted to the large-current spring, and the large-current spring is in a compressed state;
one end of the low-voltage signal terminal is abutted against the rear insulating seat, and the low-voltage signal spring is in a compressed state.
Optionally, in a possible implementation manner, insulating protrusions are formed at the first clamping portion and the second clamping portion, and the insulating protrusions are used for blocking the ground terminal and the large-current terminal.
Alternatively, in one possible implementation, the rear insulator seat is fixed to the printed circuit board by screws.
Optionally, in a possible implementation manner, the charging socket structure further includes a coding resistor, and the coding resistor is disposed on the printed circuit board and is in conductive connection with an integrated circuit on the printed circuit board.
In a second aspect, the present application also provides a charging socket comprising a socket housing and the charging socket structure provided in the first aspect. The socket housing is connected to the printed circuit board, and the terminals are inserted into the insertion holes of the socket housing.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a perspective view of a charging receptacle structure of the present embodiment from a first perspective;
FIG. 2 is a schematic diagram of the structure of the PCB and the spring in this embodiment;
FIG. 3 is a perspective view of the charging receptacle structure of the present embodiment from a second perspective;
FIG. 4 is a schematic structural diagram of the rear insulating base, the ground terminal and the large current terminal in the present embodiment;
FIG. 5 is a perspective view of the charging receptacle of the present embodiment;
fig. 6 is a perspective exploded view of the charging socket of the present embodiment.
Icon: 10-a charging socket configuration; 10A-charging socket; 10 a-a socket housing; 11-a printed circuit board; 12-a spring; 12 a-a low-pressure signal spring; 12 b-a grounding spring; 12 c-high current spring; 13-low voltage signal terminals; 14-a ground terminal; 15-high current terminal; 16-rear insulating base; 20-a thermal sensor; 21-coding resistance; 140-a first recessed ring; 150-a second recessed ring; 160-a first snap-in part; 161-second snap-in part.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, refer to the orientation or positional relationship as shown in the drawings, or as conventionally placed in use of the product of the application, or as conventionally understood by those skilled in the art, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present application.
In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The technical solution in the present application will be described below with reference to the accompanying drawings.
This embodiment provides a socket structure 10 charges, and socket structure 10 charges can solve prior art, because long-term high temperature leads to elastic component stress relaxation, and vibration, impact lead to the contact to cut off suddenly, and installation misoperation leads to reasons such as elastic component inefficacy, leads to the unstable problem of socket signal transmission that charges.
Referring to fig. 1, fig. 1 shows a three-dimensional structure of a charging socket structure 10 in a first viewing angle according to the present embodiment.
The charging socket structure 10 includes a printed circuit board 11, a spring 12, and a terminal.
Referring to fig. 2, fig. 2 shows a three-dimensional structure of the printed circuit board 11 and the spring 12 in the present embodiment.
The spring 12 is disposed at the jack of the printed circuit board 11 and is conductively connected to the integrated circuit on the printed circuit board 11. The terminals penetrate and compress the springs 12 and are inserted into the jacks of the printed circuit board 11, and the terminals are conductively connected with the integrated circuit on the printed circuit board 11 through the springs 12.
In the above scheme, a charging socket structure 10 is provided, which has a stable signal transmission effect and is not affected by the plugging and unplugging actions. A spring 12 is provided between the printed circuit board 11 and the terminal, and the integrated circuit on the printed circuit board 11 is conducted with the terminal through the spring 12. Which reduces the operation of crimping so that the terminals make good electrical continuity with the integrated circuit of the printed circuit board 11. Meanwhile, due to the deformation of the spring 12, the terminal can be always in contact with the spring 12 when being plugged, so that the stable transmission of signals is ensured.
It should be noted that, the contact stroke of the spring 12 is large, and the signal transmission between the terminal and the printed circuit board 11 is conducted through the spring 12, so that the charging socket structure 10 can adapt to different working conditions, and the problem of contact system failure caused by improper operation can be effectively avoided.
Meanwhile, due to the integration of the printed circuit board 11, the wire harness outlet position can be correspondingly adjusted according to the special requirements of the tail structure of the product, and when the charging socket structure 10 is applied to a vehicle, the whole vehicle structure arrangement of the vehicle is facilitated.
Referring to fig. 3 in combination with fig. 1, fig. 3 shows a perspective structure of the charging socket structure 10 in the second view angle in the present embodiment.
The terminals include a low-voltage signal terminal 13, a ground terminal 14, and a large-current terminal 15.
The springs 12 include a low-voltage signal spring 12a, a ground spring 12b, and a high-current spring 12 c.
The low-voltage signal terminals 13, the ground terminals 14, and the large-current terminals 15 correspond to the low-voltage signal springs 12a, the ground springs 12b, and the large-current springs 12c one by one, and are electrically connected to the integrated circuit on the printed circuit board 11.
The printed circuit board 11 includes a plugging surface and a mounting surface opposite to each other.
The low-voltage signal spring 12a is provided on the insertion/extraction surface, and the grounding spring 12b and the large-current spring 12c are provided on the mounting surface.
In this embodiment, the low-voltage signal spring 12a is soldered to the insertion/extraction surface, and the ground spring 12b and the large-current spring 12c are soldered to the mounting surface.
It should be noted that, the peripheral surfaces of the low-voltage signal terminal 13, the ground terminal 14 and the large-current terminal 15 are all formed with flanges to abut against the low-voltage signal spring 12a, the ground spring 12b and the large-current spring 12c, respectively, and when the low-voltage signal terminal 13, the ground terminal 14 and the large-current terminal 15 are inserted into the insertion holes on the printed circuit board 11, the respective flanges abut against the corresponding springs 12, and the springs 12 are compressed and deformed.
Optionally, in one possible implementation, the charging socket structure 10 further includes a thermal sensor 20, and the thermal sensor 20 is disposed on the printed circuit board 11 and is conductively connected to an integrated circuit on the printed circuit board 11.
The large current spring 12c is a heat conductive spring for conducting heat of the large current terminal 15, and the heat sensor 20 for sensing heat. The purpose of induction heating is in order to monitor the temperature rise in the charging process, guarantees safe charging.
In this embodiment, since heat is generated when the charging socket transmits a signal, the internal stability of the charging socket is detected by the cooperation of the thermal sensor 20 and the large current spring 12c, so as to reduce charging accidents.
In this embodiment, the thermal sensor 20 is a thermistor.
Optionally, in one possible implementation, the charging socket structure 10 further comprises a rear insulating base 16. Referring to fig. 4, fig. 4 shows a specific structure of the rear insulating base 16, the ground terminal 14, and the large current terminal 15.
The rear insulating base 16 is formed with a first catching portion 160 and a second catching portion 161.
The ground terminal 14 is engaged with the first engaging portion 160, the large current terminal 15 is engaged with the second engaging portion 161, and the rear insulator base 16 is connected with the mounting surface.
The ground terminal 14 abuts the ground spring 12b, the ground spring 12b being in a compressed state;
the large current terminal 15 abuts the large current spring 12c, and the large current spring 12c is in a compressed state.
Meanwhile, as shown in fig. 1, one end of the low voltage signal terminal 13 abuts against the rear insulating base 16, and the low voltage signal spring 12a is in a compressed state.
In the present embodiment, a first recessed ring 140 for engaging with the first engaging portion 160 is formed on the circumferential surface of the ground terminal 14, and a second recessed ring 150 for engaging with the second engaging portion 161 is formed on the circumferential surface of the large current terminal 15.
After the ground terminal 14 and the large current terminal 15 are assembled to the rear insulating base 16, the rear insulating base 16 is moved to allow the ground terminal 14 and the large current terminal 15 to penetrate the ground spring 12b and the large current spring 12c and to be inserted into the insertion hole of the printed circuit board 11, and when the rear insulating base 16 is fastened to the printed circuit board 11 by a screw, the ground spring 12b and the large current spring 12c are in a compressed state, so that a stable signal transmission state is provided between the ground terminal 14 and the large current terminal 15 and the printed circuit board 11.
In order to avoid interference between the ground terminal 14 and the large-current terminal 15, insulating protrusions are formed at the first catching portion 160 and the second catching portion 161, and the insulating protrusions are used for blocking the ground terminal 14 and the large-current terminal 15, so as to increase an electrical gap and a creepage distance.
It should be noted that, in this embodiment, the charging socket structure 10 further includes a coding resistor 21, and the coding resistor 21 is disposed on the printed circuit board 11 and is electrically connected to the integrated circuit on the printed circuit board 11. The coding resistor 21 is used for collecting signals of the low-voltage signal terminal 13.
Because the low-voltage signal terminal 13 is in signal conduction with the printed circuit board 11 through the spring 12, the tail part of the low-voltage signal terminal 13 does not need to be crimped with a wire harness, and the failure risk caused by crimp resistance is avoided.
It should be noted that, as shown in fig. 5 and fig. 6, the present embodiment further provides a charging socket 10A, and the charging socket 10A includes a socket housing 10A and the charging socket structure 10 provided above.
The socket housing 10a is connected to the printed circuit board 11, and the low-voltage signal terminal 13, the ground terminal 14, and the large-current terminal 15 are inserted into corresponding insertion holes of the socket housing 10a, respectively.
It should be noted that, in the present embodiment, when the rear insulating base 16 is locked to the printed circuit board 11 by screws, the socket housing 10a can be locked by the screws on the rear insulating base 16, so that the charging socket structure 10 is connected to the socket housing 10 a.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A charging socket structure, comprising:
a printed circuit board;
the spring is arranged at the jack of the printed circuit board and is in conductive connection with the integrated circuit on the printed circuit board; and
the terminal penetrates through and compresses the spring and is inserted into the jack of the printed circuit board, and the terminal is in conduction connection with the integrated circuit on the printed circuit board through the spring.
2. The charging socket structure according to claim 1,
the terminals comprise a low-voltage signal terminal, a grounding terminal and a large-current terminal;
the spring comprises a low-voltage signal spring, a grounding spring and a high-current spring;
the low-voltage signal terminal, the grounding terminal and the large-current terminal are in one-to-one correspondence with the low-voltage signal spring, the grounding spring and the large-current spring and are connected with an integrated circuit on the printed circuit board in a conduction mode.
3. The charging socket structure according to claim 2,
the charging socket structure also comprises a thermal sensor which is arranged on the printed circuit board and is in conductive connection with the integrated circuit on the printed circuit board;
the high-current spring is a heat conduction spring, the heat conduction spring is used for conducting heat of the high-current terminal, and the heat sensor is used for sensing the heat.
4. The charging socket structure according to claim 3,
the thermal sensor is a thermistor.
5. The charging socket structure according to claim 2,
the printed circuit board comprises a plugging surface and a mounting surface which are opposite;
the low-voltage signal spring is arranged on the plugging surface, and the grounding spring and the large-current spring are arranged on the mounting surface.
6. The charging socket structure according to claim 5,
the charging socket structure further comprises a rear insulating base, and a first clamping part and a second clamping part are formed on the rear insulating base;
the grounding terminal is clamped in the first clamping part, the large-current terminal is clamped in the second clamping part, and the rear insulating base is connected with the mounting surface;
the grounding terminal abuts against the grounding spring, and the grounding spring is in a compressed state;
the large-current terminal is abutted to the large-current spring, and the large-current spring is in a compressed state;
one end of the low-voltage signal terminal is abutted against the rear insulating seat, and the low-voltage signal spring is in a compressed state.
7. The charging socket structure according to claim 6,
first joint portion and second joint portion department are formed with insulating arch, insulating arch is used for keeping off and separates ground terminal with the heavy current terminal.
8. The charging socket structure according to claim 6,
the rear insulating base is fixed on the printed circuit board through a screw.
9. The charging socket structure according to claim 2,
the charging socket structure further comprises a coding resistor, wherein the coding resistor is arranged on the printed circuit board and is in conduction connection with an integrated circuit on the printed circuit board.
10. A charging receptacle, comprising:
a socket housing; and
the charging receptacle structure of any one of claims 1-9;
the socket housing is connected to the printed circuit board, and the terminals are inserted into the insertion holes of the socket housing.
CN202010100629.9A 2020-02-18 2020-02-18 Charging socket structure and charging socket Pending CN111193134A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010100629.9A CN111193134A (en) 2020-02-18 2020-02-18 Charging socket structure and charging socket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010100629.9A CN111193134A (en) 2020-02-18 2020-02-18 Charging socket structure and charging socket

Publications (1)

Publication Number Publication Date
CN111193134A true CN111193134A (en) 2020-05-22

Family

ID=70710421

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010100629.9A Pending CN111193134A (en) 2020-02-18 2020-02-18 Charging socket structure and charging socket

Country Status (1)

Country Link
CN (1) CN111193134A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023004857A1 (en) * 2021-07-28 2023-02-02 广东铭利达科技有限公司 Socket resistor connection pcb board having convenient assembly and high reliability

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023004857A1 (en) * 2021-07-28 2023-02-02 广东铭利达科技有限公司 Socket resistor connection pcb board having convenient assembly and high reliability

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