Circuit board direct insertion structure

Abstract

The technical scheme belongs to the technical field of circulating pump circuit boards, and particularly relates to a circuit board direct insertion structure, which comprises a circuit board, a mounting seat is arranged on the circuit board, the mounting seat is provided with mounting ports, the mounting ports are used for mounting terminal sheets, the circuit board is provided with power line welding holes, and the positions of the power line welding holes are in one-to-one correspondence with the mounting ports for conductive connection; a mounting positioning part extends from the mounting seat close to the circuit board, a mounting positioning hole is formed in the circuit board, and the mounting positioning part is embedded into the mounting positioning hole for positioning the mounting seat; the installation seat is provided with an installation clamping and embedding part, the installation clamping and embedding part comprises a first extension part arranged on the installation seat and a first limiting part arranged on the first extension part, the circuit board is provided with a first clamping and embedding hole, and the first extension part is embedded into the first clamping and embedding hole through the first clamping and embedding hole and the first limiting part to limit separation of the installation seat. The wire is directly inserted into the mounting seat through the circuit board to realize electric contact with the power plug, so that the exposure of the wire after being connected with the insertion piece is reduced, and the protection of the wire is improved.

Description

Technical Field

[0001] The present technical solution relates to the technical field of circulating pump circuit boards, and in particular to a circuit board direct-insertion structure. Background Art

[0002] A circulating pump is a mechanical device used to transport or circulate fluids. The working principle of a circulating pump is to drive the impeller inside the pump body to rotate through an electric motor or other type of prime mover, thereby generating centrifugal force to suck the liquid from the pump inlet and push it to the outlet, forming a continuous fluid circulation.

[0003] For example, China has a shielded variable frequency circulation pump with sufficient heat dissipation and patent announcement number CN208380886U, which includes a pump casing, a motor casing connected to the pump casing, and an electrical box arranged on the outside of the motor casing. An electronic circuit board equipped with heat-generating electronic components is arranged in the electrical box. The electronic circuit board is fixed to the lower shell of the electrical box. The electronic circuit board is equipped with heat-generating electronic components, and the motor needs to lead out lines from the electrical box for power supply and control.

[0004] In the above-mentioned shielded variable frequency circulation pump with sufficient heat dissipation, when the existing electronic circuit board is wired, the corresponding connector is welded to the electronic circuit board. Based on the limitation of the structural style, the docking components need to be connected to the matching interface through wires and then plugged into the connector. After assembly, the wires are exposed. Once the wires are damaged during the disassembly, assembly and maintenance process, it will affect the use, which needs to be improved. Summary of the invention

[0005] In order to improve the problem that the wires of the electronic circuit board are exposed and easily damaged after being connected, the technical solution provides a circuit board direct plug-in structure.

[0006] The purpose of this technical solution is achieved in this way:

[0007] A circuit board plug-in structure, comprising a circuit board, a mounting seat is provided on the circuit board, the mounting seat has a mounting opening, the mounting opening is used for mounting a terminal piece, the circuit board is provided with a power line welding hole, the position of the power line welding hole corresponds to the mounting opening one by one for conductive connection;

[0008] The mounting seat has a mounting positioning portion extending near the circuit board, the circuit board has a mounting positioning hole, and the mounting positioning portion is embedded in the mounting positioning hole for positioning the mounting seat;

[0009] The mounting seat is provided with a mounting card-embedded portion, and the mounting card-embedded portion includes an extension portion 1 arranged on the mounting seat and a limiting portion 1 arranged on the extension portion 1. The circuit board is provided with a card-embedded hole 1, the extension portion 1 passes through the card-embedded hole 1, and the limiting portion 1 is embedded in the card-embedded hole 1 to limit the mounting seat from detaching.

[0010] Through the above technical solution, when the circuit board direct plug-in structure is used normally, the mounting seat is installed on the circuit board and the mounting positioning part is in corresponding contact with the circuit board, the mounting positioning part is adapted to the mounting positioning hole on the circuit board, and the mounting positioning part is aligned with the mounting positioning hole and then embedded and positioned. Based on the adaptation of the mounting clamping part and the clamping hole one, the mounting clamping part is correspondingly embedded in the caliper hole one at this time, and the extension part one passes through the clamping hole one so that the limiting part one and the caliper hole one are embedded and fixed, so that the mounting seat is firmly embedded on the circuit board, thereby improving the stability of the installation.

[0011] The terminal piece is installed in the mounting seat. When the circuit board is directly plugged in for use, the plug-in piece of the power plug is aligned with the mounting port of the mounting seat and inserted so that the exposed end of the plug-in piece is plugged through the mounting port. The plug-in piece cooperates with the terminal piece to form electrical contact. The other end of the terminal piece passes through the power line welding hole of the circuit board and is welded and fixed, so that the wire is connected to the terminal piece to realize current transmission with the power plug. The wire is directly plugged through the circuit board carrying the mounting seat to realize electrical contact with the power plug, thereby reducing the exposure of the wire after the connection with the plug-in piece and improving the protection of the wire.

[0012] Preferably, the mounting seat includes a first mounting portion, a connecting portion and a second mounting portion, the connecting portion is arranged between the first mounting portion and the second mounting portion, the mounting port is arranged on the first mounting portion, the second mounting portion has a communication port, a data contact is installed in the communication port, the circuit board is provided with a data connection hole, the position of the data connection hole corresponds one-to-one with the data contact for the data contact to connect data.

[0013] Through the above technical solution, the first mounting portion in the mounting base is used for plugging in a power plug, and the mounting base also includes a second mounting portion and the second mounting portion has a communication port, so that the communication plug can be plugged in through the communication port, and the data contact is arranged in the communication port. The other end of the data contact passes through the data connection hole and is welded and fixed to be connected to the data wire. The data contact is electrically contacted with the communication plug to realize data connection, thereby ensuring the stability of data transmission, and thereby the data connection of the mounting base is realized by direct plugging, further improving the protection effect of the wire.

[0014] Preferably, the side wall of the second mounting portion is provided with a plurality of first clearance grooves, and the connecting portion is provided with a plurality of second clearance grooves.

[0015] Through the above technical solution, the mounting base needs to be repeatedly plugged and unplugged with the power plug and the communication plug, and the plugging and unplugging action is likely to cause damage due to external force. The cooperation of several make way grooves 1 and several make way grooves 2 strengthens the structural strength of the first mounting part and the connecting part, acts as a reinforcing rib to effectively disperse the stress, thereby increasing the local stiffness and stability of the mounting base.

[0016] Preferably, the circuit board is also provided with a motor line socket, the motor line socket has a motor line socket, the motor line socket is used to install the motor line terminal piece, the circuit board is provided with a motor line welding hole, the position of the motor line welding hole is one-to-one with the motor line socket for connection with the motor.

[0017] Through the above technical scheme, the motor wire end piece is installed in the motor wire socket. When the circuit board is directly installed, the motor wire socket is aligned with the motor plug for plugging, so that the plug of the motor plug forms electrical contact with the motor wire end piece through the motor wire socket. The other end of the motor wire end piece passes through the motor wire welding hole of the circuit board and is welded and fixed, so that the wire is connected to the motor wire end piece on the side of the circuit board away from the motor wire socket. The wire is directly plugged into the corresponding motor plug through the circuit board carrying the motor wire socket, which reduces the exposure of the wire connection and further improves the protection effect of the wire.

[0018] Preferably, the motor line socket is provided with a motor positioning portion extending close to the circuit board, the circuit board is provided with a motor positioning hole, and the motor positioning portion is embedded in the motor positioning hole for positioning the motor line socket;

[0019] The motor line socket is provided with a motor embedding part, and the motor embedding part includes an extension part 2 arranged on the motor line socket and a limiting part 2 arranged on the extension part 2. The circuit board is provided with an embedding hole 2, the extension part 2 passes through the embedding hole 2, and the limiting part 2 is embedded in the embedding hole 2 to limit the motor line socket from detaching.

[0020] Through the above technical scheme, when the motor line socket is installed, the motor positioning part contacts with the corresponding circuit board, the motor positioning part matches with the motor positioning hole on the circuit board, the motor positioning part is aligned with the motor positioning hole and then embedded in position, based on the adaptation of the motor clamping part and the second clamping hole, at this time, the motor clamping part corresponds to the second clamping hole, and the extension part passes through the second clamping hole so that the second limiting part and the second clamping hole are embedded and fixed, so that the motor line socket is firmly clamped on the circuit board, thereby improving the stability of installation.

[0021] Preferably, the circuit board is also provided with a grounding wire socket, the grounding wire socket has a grounding wire socket, the grounding wire socket is used for installing a grounding wire terminal piece, the circuit board is provided with a grounding wire welding hole, the position of the grounding wire welding hole corresponds to the grounding wire socket for grounding connection.

[0022] Through the above technical scheme, the grounding wire terminal piece is installed in the grounding wire socket. When the circuit board is directly installed, the grounding wire socket is aligned with the grounding wire plug for plugging, so that the plug of the grounding wire plug cooperates with the grounding wire terminal piece through the grounding wire socket to form electrical contact. The other end of the grounding wire terminal piece passes through the grounding wire welding hole of the circuit board and is welded and fixed, so that the wire is connected to the grounding wire terminal piece on the side of the circuit board away from the grounding wire socket. The wire is directly plugged into the corresponding motor plug through the motor wire socket carried by the circuit board, thereby reducing the exposure of the wire connection and further improving the protection effect of the wire.

[0023] Preferably, the grounding wire socket has a grounding positioning portion extending near the circuit board, the circuit board is provided with a grounding positioning hole, and the grounding positioning portion is embedded in the grounding positioning hole for positioning the grounding wire socket.

[0024] Through the above technical solution, when the grounding wire socket is installed, the grounding positioning part contacts the corresponding circuit board, the grounding positioning part is adapted to the grounding positioning hole on the circuit board, and the grounding positioning part is aligned with the grounding positioning hole and then embedded in position, thereby improving the installation accuracy of the grounding wire socket.

[0025] Preferably, the circuit board has a capacitor mounting seat, and the capacitor mounting seat is provided with a accommodating cavity, and the accommodating cavity is used for accommodating the capacitor.

[0026] Through the above technical solution, the capacitor mounting seat is installed on the circuit board, and the accommodating cavity of the capacitor mounting seat is used to accommodate the capacitor. The capacitor can be firmly mounted on the circuit board, reducing the vibration and detachment of the capacitor due to external force during operation, thereby improving the stability of the capacitor installation.

[0027] Compared with the prior art, the technical solution has the following outstanding and beneficial technical effects:

[0028] 1. The technical solution is to install a mounting seat on the circuit board, the mounting seat has a mounting opening, the mounting positioning part is embedded in the mounting positioning hole for positioning, and the mounting clamping part is correspondingly embedded in the caliper hole 1 so that the limiting part 1 and the caliper hole 1 are embedded and fixed, thereby improving the installation stability of the mounting seat;

[0029] 2. The present technical solution is provided with a terminal piece installed through the installation port. When the circuit board is directly plugged in for use, the plug of the power plug is inserted into the installation port so that the plug cooperates with the terminal piece to form electrical contact. The other end of the terminal piece passes through the welding hole of the power line and is fixed by welding, so that the wire is connected to the terminal piece and transmitted through the plug. The wires are all arranged on the side of the circuit board away from the mounting seat so that when the circuit board is directly plugged in, the wire exposure is reduced, thereby improving the protection of the wire.

[0030] 3. This technical solution installs a motor line socket and a grounding line socket on the circuit board. The motor line socket has a motor line socket, and the motor line plug is inserted into the motor line socket. The grounding line socket has a grounding line socket, and the grounding line plug is inserted into the grounding line socket. The wire is electrically connected to the plug through the motor line terminal piece and the grounding line terminal piece, thereby further improving the protection effect of the wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 Schematic diagram of the overall structure of this embodiment;

[0032] Figure 2 For this embodiment Figure 1 Schematic diagram from another perspective;

[0033] Figure 3 It is a partial explosion schematic diagram of this embodiment;

[0034] Figure 4 For this embodiment Figure 3 Schematic diagram from another perspective.

[0035] 1. Circuit board; 2. Mounting seat; 21. First mounting part; 22. Connecting part; 23. Second mounting part; 3. Mounting port; 4. Power line welding hole; 5. Mounting positioning part; 6. Mounting positioning hole; 7. Mounting card-embedded part; 71. Extension part one; 72. Limiting part one; 8. Card-embedded hole one; 9. Communication port; 10. Data contact; 11. Data connection hole; 12. Make way slot one; 13. Make way slot two; 14. Motor line socket; 15. Motor line socket; 16. Motor line welding hole; 17. Motor positioning part; 18. Motor positioning hole; 19. Motor card-embedded part; 191. Extension part two; 192. Limiting part two; 20. Card-embedded hole two; 24. Grounding line socket; 25. Grounding line socket; 26. Grounding line welding hole; 27. Grounding positioning part; 28. Grounding positioning hole; 29. ​​Capacitor mounting seat; 30. Accommodating cavity. DETAILED DESCRIPTION

[0036] The specific implementation of the technical solution is further described in detail below with reference to the accompanying drawings.

[0037] Example:

[0038] See also Figure 1 A circuit board plug-in structure includes a circuit board 1, on which a capacitor mounting seat 29 is installed. There are two capacitor mounting seats 29, each of which is fixed to the circuit board 1 in an integrated manner. Each capacitor mounting seat 29 is provided with a receiving cavity 30, which is used to accommodate the capacitor.

[0039] A mounting base 2 is mounted on the circuit board 1. The mounting base 2 includes a first mounting portion 21, a connecting portion 22 and a second mounting portion 23. The connecting portion 22 is located between the first mounting portion 21 and the second mounting portion 23. The first mounting portion 21 and the connecting portion 22 are fixed integrally. The connecting portion 22 and the second mounting portion 23 are fixed integrally.

[0040] The outer wall of the second mounting portion 23 is provided with a plurality of paving grooves 12, and the connecting portion 22 is provided with a plurality of paving grooves 2 13. The plurality of paving grooves 2 13 are located on the same side of the paving grooves 12. The plurality of paving grooves 12 and the paving grooves 2 13 are used to strengthen the structure of the second mounting portion 23 and the connecting portion 22.

[0041] See also Figure 3 and Figure 4 The mounting seat 2 has a mounting opening 3, which is opened on the end surface of the first mounting portion 21 away from the circuit board 1. There are three mounting openings 3, and the three mounting openings 3 are spaced apart along the length direction of the upper end surface of the first mounting portion 21. A terminal piece can be installed in each mounting opening 3, and a power plug is inserted into the mounting opening 3. The plug of the power plug is adapted to the mounting opening 3 so that the plug and the terminal piece are triggered.

[0042] The circuit board 1 is provided with a plurality of power line welding holes 4, and the position of each power line welding hole 4 corresponds one-to-one to each mounting opening 3, so that when the terminal piece is installed in the mounting opening 3, the terminal piece passes through the mounting seat 2 and the power line welding hole 4, and is fixed at the power line welding hole 4 by welding for wiring use.

[0043] The second mounting portion 23 has a communication port 9, the opening of the communication port 9 is located on the end face of the second mounting portion 23 facing away from the circuit board 1, and a data contact 10 is installed in the communication port 9. The contact triggering with the data contact 10 is achieved by plugging a communication plug into the communication port 9. In this example, it is shown that the outer peripheral wall of the communication port 9 has a threaded section, and the communication plug is threadedly fixed to the communication port 9 through the threaded section.

[0044] The circuit board 1 is provided with a data connection hole 11, and the position of the data connection hole 11 corresponds one-to-one with the data contact 10, so that when the data contact 10 is installed in the communication port 9, the data contact 10 can pass through the mounting seat 2 and the corresponding data connection hole 11 for the data contact 10 to be used for export connection.

[0045] The circuit board 1 is penetrated by an installation positioning hole 6, and there are three installation positioning holes 6. The mounting seat 2 has a protruding installation positioning portion 5 corresponding to the installation positioning hole 6. Each installation positioning portion 5 corresponds one-to-one to each installation positioning hole 6. The installation positioning portion 5 is located on the end face of the mounting seat 2 away from the mounting opening 3. The installation positioning portion 5 is fixed to the corresponding end face and extends to be embedded in the corresponding installation positioning hole 6 to achieve positioning.

[0046] The specific fixing method between the mounting seat 2 and the circuit board 1 can be adopted that the mounting seat 2 is provided with a mounting card-embedded portion 7, and the mounting card-embedded portion 7 includes an extension portion 71 and a limiting portion 72. The extension portion 71 is located at the end surface of the mounting seat 2 close to the circuit board 1 and extends toward the circuit board 1. The limiting portion 72 is fixed to the end of the extension portion 71 away from the mounting seat 2. The limiting portion 72 protrudes from the extension portion 71. The circuit board 1 is provided with a card-embedded hole 8 for the mounting card-embedded portion 7 to be embedded. The limiting portion 72 has an inclined surface. The limiting portion 72 is embedded into the card-embedded hole 8 through the inclined surface guide, so that the extension portion 71 passes through the card-embedded hole 8, and the limiting portion 72 forms a conflict with the outer wall of the card-embedded hole 8 to limit the mounting seat 2 from detaching.

[0047] The circuit board 1 is also provided with a motor line socket 14, which is located on the same side of the circuit board 1 where the mounting seat 2 is provided. The motor line socket 14 has a motor line socket 15, which is opened on the upper end surface of the motor line socket 14 away from the circuit board 1. There are three motor line sockets 15, and the three motor line sockets 15 are distributed at intervals. The distribution direction is arranged along the length direction of the upper end surface of the motor line socket 14 and is perpendicular to the distribution direction of the mounting opening 3. A motor line end piece can be installed in each motor line socket 15, and a motor plug is plugged into the motor line socket 15. The plug of the motor plug is adapted to the motor line socket 15 so that the plug and the motor line end piece are embedded and triggered.

[0048] The circuit board 1 is also equipped with a grounding wire socket 24, which is located on the same side of the circuit board 1 as the motor wire socket 14. The grounding wire socket 24 has a grounding wire socket 25, which is arranged on the upper end surface of the grounding wire socket 24 away from the circuit board 1. A grounding wire terminal piece is installed in the grounding wire socket 25, and a grounding wire plug is plugged into the grounding socket. The plug of the grounding wire plug is adapted to the grounding wire socket 25 so that the plug and the grounding wire terminal piece are triggered to achieve grounding.

[0049] See also Figure 2 and Figure 4 The circuit board 1 is provided with a plurality of motor wire welding holes 16, and the position of each motor wire welding hole 16 corresponds one-to-one to each motor wire socket 15, so that when the motor wire end piece is installed in the motor wire socket 15, the motor wire end piece passes through the motor wire socket 14 and the motor wire welding hole 16, and is fixed at the motor wire welding hole 16 by welding for connection.

[0050] The circuit board 1 is penetrated by a motor positioning hole 18, and there are two motor positioning holes 18. The motor line socket 14 has a motor positioning portion 17 protruding from the motor positioning hole 18. The motor positioning portion 17 is located on the end surface of the motor line socket 14 away from the motor line socket 15. Each motor positioning portion 17 corresponds to each motor positioning hole 18 one by one. The motor positioning portion 17 is fixed to the corresponding end surface and extends to be embedded in the corresponding motor positioning hole 18 to achieve positioning.

[0051] The specific fixing method between the motor line socket 14 and the circuit board 1 can be adopted by providing a motor card-embedded part 19 on the motor line socket 14, and the motor card-embedded part 19 includes an extension part 191 and a limiting part 192. The extension part 191 is located at the end face of the motor line socket 14 close to the circuit board 1 and extends toward the circuit board 1. The limiting part 192 is fixed to the end of the extension part 191 away from the motor line socket 14. The limiting part 192 protrudes from the extension part 191. The circuit board 1 is provided with a card-embedded hole 20 in which the power supply machine card-embedded part 19 is embedded. The limiting part 192 has an inclined surface. The limiting part 192 is embedded in the card-embedded hole 20 through the inclined surface guide, so that the extension part 191 passes through the card-embedded hole 20, and the limiting part 192 forms a conflict with the outer wall of the card-embedded hole 20 to limit the motor line socket 14 from being disengaged.

[0052] A grounding positioning hole 28 is passed through the circuit board 1, and there are two grounding positioning holes 28. The grounding wire socket 24 has two grounding positioning parts 27 protruding from the grounding positioning holes 28. The two grounding positioning holes 28 are respectively located on both sides of the grounding wire socket 24. The two grounding positioning parts 27 correspond one-to-one to the two grounding positioning holes 28. The grounding positioning part 27 is fixed to the end face of the grounding wire socket 24 away from the grounding wire socket 25, and extends to be embedded in the grounding positioning hole 28 to achieve positioning.

[0053] The specific working process of this program is as follows:

[0054] The technical solution is to install a mounting seat 2, a motor line socket 14 and a grounding line socket 24 on the same side of a circuit board 1, the mounting seat 2 has a mounting port 3 and a communication port 9, the motor line socket 14 has a motor line socket 15, the grounding line socket 24 has a grounding line socket 25, the mounting positioning portion 5 is embedded in the mounting positioning hole 6 for positioning, the mounting card-embedded portion 7 is correspondingly embedded in the card-embedded hole 1 8 so that the limiting portion 1 72 and the card-embedded hole 1 8 are embedded and fixed, and the circuit board 1 is directly plugged into electrical contact by aligning multiple sockets to correspond to different plugs, and the wires are all arranged on the other side of the circuit board to reduce the exposed connection of the wires and improve the protection of the wires.

[0055] The above shows and describes the basic principle and main features of the technical solution and the advantages of the technical solution. The technicians in this industry should understand that the technical solution is not limited by the above embodiments. The above embodiments and the description are only to illustrate the principle of the technical solution. Without departing from the spirit and scope of the technical solution, the technical solution will have various changes and improvements, which fall within the scope of the technical solution to be protected. The scope of protection claimed by the technical solution is defined by the attached claims and their equivalents.

Claims

1. A circuit board direct insertion structure, comprising a circuit board (1), characterized in that: The circuit board (1) is provided with a mounting seat (2), the mounting seat (2) having a mounting opening (3), the mounting opening (3) being used for mounting a terminal piece, the circuit board (1) being provided with a power line welding hole (4), the position of the power line welding hole (4) being one-to-one with the mounting opening (3) for conductive connection; The mounting seat (2) is provided with a mounting positioning portion (5) extending near the circuit board (1), the circuit board (1) is provided with a mounting positioning hole (6), and the mounting positioning portion (5) is embedded in the mounting positioning hole (6) for positioning the mounting seat (2); The mounting seat (2) is provided with a mounting card-embedded portion (7), the mounting card-embedded portion (7) comprising an extension portion (71) arranged on the mounting seat (2) and a limiting portion (72) arranged on the extension portion (71), the circuit board (1) is provided with a card-embedded hole (8), the extension portion (71) passes through the card-embedded hole (8), and the limiting portion (72) is embedded in the card-embedded hole (8) to limit the mounting seat (2) from detaching.

2. The circuit board direct insertion structure according to claim 1, characterized in that: The mounting seat (2) comprises a first mounting portion (21), a connecting portion (22) and a second mounting portion (23); the connecting portion (22) is arranged between the first mounting portion (21) and the second mounting portion (23); the mounting opening (3) is arranged on the first mounting portion (21); the second mounting portion (23) has a communication port (9); a data contact (10) is installed in the communication port (9); the circuit board (1) is provided with a data connection hole (11); the position of the data connection hole (11) corresponds to the data contact (10) one by one for providing the data contact (10) with an export connection.

3. The circuit board direct insertion structure according to claim 2, characterized in that: The side wall of the second mounting portion (23) is provided with a plurality of first clearance grooves (12), and the connecting portion (22) is provided with a plurality of second clearance grooves (13).

4. The circuit board direct insertion structure according to claim 1, characterized in that: The circuit board (1) is also provided with a motor line socket (14), the motor line socket (14) having a motor line plug (15), the motor line plug (15) being used for installing a motor line terminal piece, and the circuit board (1) is provided with a motor line welding hole (16), the position of the motor line welding hole (16) being one-to-one with the motor line plug (15) for connection with the motor.

5. The circuit board direct insertion structure according to claim 4, characterized in that: The motor line socket (14) is provided with a motor positioning portion (17) extending near the circuit board (1), the circuit board (1) is provided with a motor positioning hole (18), and the motor positioning portion (17) is embedded in the motor positioning hole (18) for positioning the motor line socket (14); The motor line socket (14) is provided with a motor locking portion (19), the motor locking portion (19) comprising a second extension portion (191) arranged on the motor line socket (14) and a second limiting portion (192) arranged on the second extension portion (191), the circuit board (1) is provided with a second locking hole (20), the second extension portion (191) passes through the second locking hole (20), and the second limiting portion (192) is embedded in the second locking hole (20) to limit the motor line socket (14) from being disengaged.

6. The circuit board direct insertion structure according to claim 1, characterized in that: The circuit board (1) is also provided with a grounding wire socket (24), the grounding wire socket (24) having a grounding wire socket (25), the grounding wire socket (25) being used for mounting a grounding wire terminal piece, and the circuit board (1) is provided with a grounding wire welding hole (26), the position of the grounding wire welding hole (26) corresponding to the grounding wire socket (25) being used for grounding connection.

7. The circuit board direct insertion structure according to claim 6, characterized in that: The grounding socket (24) is provided with a grounding positioning portion (27) extending close to the circuit board (1); the circuit board (1) is provided with a grounding positioning hole (28); the grounding positioning portion (27) is embedded in the grounding positioning hole (28) for positioning the grounding socket (24).

8. The circuit board direct insertion structure according to claim 1, characterized in that: The circuit board (1) has a capacitor mounting seat (29), and the capacitor mounting seat (29) is provided with a receiving cavity (30), and the receiving cavity (30) is used for receiving the capacitor.

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