Transformer bolt assembly equipment

Abstract

This invention discloses a transformer bolt assembly device and a transformer bolt assembly method, relating to the field of transformer assembly technology. The transformer bolt assembly device includes a first clearance hole and a second clearance hole on an assembly plate. Anti-collision blocks are correspondingly positioned on both sides of the lower end of the assembly plate at the second clearance hole, forming a limiting channel between the anti-collision blocks. A circuit board is pre-installed in the mounting groove of the outer casing, and the assembly plate is fixed to the groove opening. The transformer body is held and inserted through the first clearance hole, while simultaneously, the transformer body drives the first connecting copper busbar through the second clearance hole. Under the action of the limiting channel, the first connecting copper busbar does not collide with the capacitor, thus protecting the capacitor on the circuit board compared to existing technologies. The technical solution provided by this invention avoids the problem of capacitor collision during transformer installation.

Description

Technical Field

[0001] This invention relates to the field of transformer assembly technology, and in particular to a transformer bolt assembly device. Background Technology

[0002] On-board power supplies are devices that provide the electrical equipment in vehicles with the necessary power, and they play a crucial role in new energy vehicles. The assembly process of on-board power supplies includes surface mount technology (SMT), die-in-the-loop (DIP), assembly, and testing. On-board power supplies have high requirements for volumetric power density, and the space reserved for the installation of internal components during the design is small. In addition, the production batch is large and the production period is tight. Therefore, the installation process is prone to quality risks such as components colliding with each other and bolts being misaligned.

[0003] In existing technologies, the capacitors of vehicle power transformers are easily bumped during installation. The capacitors are composed of multiple ceramic layers with metal electrodes sandwiched between each layer. They are then stacked together and connected to conductor leads at both ends to form an integral structure. After a collision, the layers are prone to short circuits or stress damage that is not easily observed, affecting power performance and even causing safety hazards. Summary of the Invention

[0004] The main objective of this invention is to provide a transformer bolt assembly device, which aims to solve the problem of capacitor damage caused by the transformer copper busbar colliding with the capacitors on both sides when the transformer is installed on a circuit board.

[0005] To achieve the above objectives, the present invention provides a transformer bolt assembly device, comprising:

[0006] The assembly plate is insulated, and its lower end is used to rest on the groove of the mounting slot of the outer shell. A first clearance hole is provided through the assembly plate for the main body to pass through.

[0007] A first limiting portion is provided at the lower end of the assembly plate, the first limiting portion being used to limit the assembly plate to the outer shell; and,

[0008] The second limiting part is provided at the lower end of the assembly plate. The second limiting part forms a limiting channel. The limiting channel is used to be disposed between the two capacitor areas. The upper end of the assembly plate is also provided with a second clearance hole through the limiting channel. The second clearance hole is connected to the first clearance hole. The limiting channel and the second clearance hole are used to limit the passage of the first connecting copper busbar.

[0009] In one embodiment, the first limiting part includes a plurality of limiting blocks, all of which are disposed on the lower end surface of the assembly plate;

[0010] At least one limiting block is provided at the front end, left end and right end of the assembly plate.

[0011] In one embodiment, a guide hole is also provided through the mounting plate for bolts to pass through and for the circuit board to be threaded onto the housing.

[0012] In one embodiment, the second limiting part includes two anti-collision parts disposed opposite to each other in the left-right direction;

[0013] The limiting channel is formed between the two anti-collision parts.

[0014] In one embodiment, the anti-collision part includes an anti-collision block having a first side portion facing forward and a second side portion adjacent to the first side portion and located in the left-right direction;

[0015] The limiting channel is formed between the second sides of the two anti-collision blocks;

[0016] The first side portion is also used to abut against the second connecting copper busbar.

[0017] In one embodiment, the mounting plate has oval holes on both sides for holding.

[0018] In one embodiment, the assembly plate is further provided with an exposure window for exposing components disposed on the circuit board.

[0019] This invention also proposes a method for assembling transformer bolts, the steps of which include:

[0020] A circuit board to be installed and a housing are provided, wherein the circuit board is provided with capacitors;

[0021] The circuit board is initially installed in the slot of the mounting groove of the housing;

[0022] The assembly plate of the transformer bolt assembly equipment is assembled into the slot of the mounting groove of the outer shell. The first limiting part limits the assembly plate and the outer shell, and the distance between the first limiting part and the outer side wall of the outer shell satisfies the first preset distance condition.

[0023] The transformer is installed onto the circuit board from top to bottom through the first clearance hole and the second clearance hole, with the first connecting copper busbar of the transformer located within the limiting channel, so that the circuit board, the transformer, and the transformer bolt assembly equipment meet the preset spacing conditions.

[0024] In one embodiment, the preset spacing condition between the circuit board, the transformer, and the transformer bolt assembly equipment includes at least one of the following:

[0025] The distance L1 between the first connecting copper busbar and the sidewall of the limiting channel satisfies the first preset distance condition;

[0026] The distance L2 between the first connecting copper busbar and the bottom wall of the limiting channel satisfies the second preset distance condition;

[0027] The distance L3 between the second limiting part and the capacitor satisfies the third preset distance condition;

[0028] The distance L4 between the transformer and the left side wall of the first clearance hole satisfies the fourth preset distance condition.

[0029] The distance L5 between the transformer and the right side wall of the first clearance hole satisfies the fifth preset distance condition.

[0030] In one embodiment, the first preset spacing condition includes 0.24mm ≤ L1 ≤ 0.26mm; and / or,

[0031] The second preset spacing condition includes 1mm ≤ L2 ≤ 3mm; and / or,

[0032] The third preset spacing condition includes 2mm ≤ L3 ≤ 4mm; and / or,

[0033] The fourth preset spacing condition includes 13mm ≤ L4 ≤ 15mm; and / or,

[0034] The fifth preset spacing condition includes 26mm≤L5≤28mm.

[0035] The invention employs a method of creating a first clearance hole and a second clearance hole on an assembly plate. Anti-collision blocks are positioned on either side of the lower end of the assembly plate at the second clearance hole, forming a limiting channel between the anti-collision blocks. The circuit board is pre-installed in the mounting groove of the outer casing, and the assembly plate is fixed to the groove opening of the outer casing. Capacitors are positioned on both sides of the limiting channel on the circuit board. The main body of a handheld transformer passes through the first clearance hole, while simultaneously driving the first connecting copper busbar through the second clearance hole. Under the action of the limiting channel, the first connecting copper busbar does not collide with the capacitors, thus protecting the capacitors on the circuit board compared to existing technologies. Attached Figure Description

[0036] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0037] Figure 1This is a top view of an embodiment of the transformer bolt assembly equipment provided by the present invention.

[0038] Figure 2 for Figure 1 A partial sectional three-dimensional structural schematic diagram of the bolt assembly equipment for a medium-sized transformer.

[0039] Figure 3 for Figure 1 A partial sectional three-dimensional structural schematic diagram of the transformer bolt assembly equipment;

[0040] Figure 4 This is a lower view of an embodiment of the transformer bolt assembly equipment provided by the present invention.

[0041] Figure 5 This is a side view of an embodiment of the transformer bolt assembly equipment provided by the present invention.

[0042] Figure 6 for Figure 5 A partial sectional three-dimensional structural schematic diagram of the bolt assembly equipment for a medium-sized transformer.

[0043] Figure 7 for Figure 6 A schematic diagram of the local structure at point I.

[0044] Description of Figure Numbers:

[0045] 100. Assembly plate; 1. First clearance hole; 2. Second clearance hole; 3. First limiting part; 31. Limiting block; 4. Second limiting part; 41. Anti-collision part; 411. Anti-collision block; 412. First side part; 413. Second side part; 42. Limiting channel; 5. Guide hole; 6. Oval hole; 7. Display window;

[0046] 200. Outer casing;

[0047] 300, Circuit board; 30, Capacitor; 40, Transformer; 401, Transformer body; 402, First connecting copper busbar; 403, Second connecting copper busbar.

[0048] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0049] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0050] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0051] Furthermore, if the embodiments of this invention involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0052] In the existing technology, the on-board power transformer 40 is prone to collision with the capacitor 30 during installation. The capacitor 30 is composed of multiple ceramic layers with metal electrodes sandwiched between each layer. They are then stacked together and connected to conductor leads at both ends to form an integral structure. After a collision, the layers are prone to short circuits or stress damage that is not easy to observe, which affects the power supply performance and may even cause safety hazards.

[0053] To address the aforementioned problems, this invention proposes a transformer 40 bolt assembly device, aiming to solve the problem of damage to the capacitors 30 caused by the copper busbars of the transformer 40 colliding with the capacitors 30 on both sides when the transformer 40 is mounted on the circuit board 300. Figures 1 to 7 This is a schematic diagram of a structure of an embodiment of the transformer 40 bolt assembly equipment of the present invention.

[0054] Please refer to Figures 1 to 3In one embodiment of the present invention, a transformer 40 is mounted on a circuit board 300 initially installed inside a housing 200. The circuit board 300 has two spaced capacitor 30 regions in a left-right direction, and a capacitor 30 is provided at each of the capacitor 30 regions. The transformer 40 includes a transformer body 401 and a first connecting copper busbar 402 and two second connecting copper busbars 403 electrically connected to the transformer body 401. The transformer 40 bolt assembly equipment includes an assembly plate 100, which is insulated. The lower end of the assembly plate 100 is used to rest on the opening of the mounting groove in the housing 200. A first clearance hole 1 is provided through the assembly plate 100. An obstacle clearance hole 1 is provided for the transformer body 401 to pass through; a first limiting part 3 is provided at the lower end of the assembly plate 100, the first limiting part 3 is used to limit the assembly plate 100 to the outer shell 200; and a second limiting part 4 is provided at the lower end of the assembly plate 100, the second limiting part 4 forming a limiting channel 42, the limiting channel 42 being provided between the two capacitor 30 areas, and a second obstacle clearance hole 2 is also provided at the upper end of the assembly plate 100 corresponding to the limiting channel 42, the second obstacle clearance hole 2 being connected to the first obstacle clearance hole 1, the limiting channel 42 and the second obstacle clearance hole 2 being used to limit the passage of the first connecting copper busbar 402.

[0055] It is understandable that by setting the second limiting part 4, the second limiting part 4 forms a limiting channel 42, the transformer 40 transformer body 401 passes through the first clearance hole 1, the first connecting copper busbar 402 passes through the second clearance hole 2 and the limiting channel 42, the two sides of the limiting channel 42 interfere with the movement of the two sides of the first connecting copper busbar, and prevent the first connecting copper busbar 402 from colliding with the capacitors 30 on both sides of the circuit board 300, thus achieving the purpose of preventing collision with the capacitors 30.

[0056] For further details, please refer to... Figure 4 The first limiting part 3 includes a plurality of limiting blocks 31, and the plurality of limiting blocks 31 are all disposed on the lower end surface of the assembly plate 100; at least one of the limiting blocks 31 is provided at the front end, left end and right end of the assembly plate 100.

[0057] It is understandable that by setting the limiting block 31, the outer shell 200 is inserted from the rear of the lower end of the assembly plate 100 between the limiting blocks 31 at the front, left and right ends. At the same time, the inner side of the limiting block 31 interferes with the outer wall of the outer shell 200, preventing the outer shell 200 from moving at the lower end of the assembly plate 100, thus achieving the purpose of limiting the outer shell 200 to the lower end of the assembly plate 100.

[0058] For further details, please refer to... Figure 3A guide hole 5 is also provided on the assembly plate 100. The guide hole 5 is used for bolts to pass through and for the circuit board 300 to be threaded onto the housing 200.

[0059] It is understandable that by setting the guide hole 5, the outer shell 200 is limited to the lower end of the assembly plate 100 by the limiting block 31. At this time, the guide hole 5 is aligned with the circuit board 300. The bolt is passed through and threaded to the circuit board 300 and the outer shell 200. This achieves the purpose of initially limiting the outer shell 200 by the limiting block 31, and then threading the circuit board 300 to the outer shell 200 by the bolt.

[0060] For further details, please refer to... Figures 6 to 7 The second limiting part 4 includes two anti-collision parts 41 arranged opposite each other in the left and right directions; the limiting channel 42 is formed between the two anti-collision parts 41.

[0061] It is understandable that by setting the anti-collision part 41, which is connected to the bottom of the mounting plate 100 and extends downward, the anti-collision part 41 is located at the lower end of the mounting plate 100 and aligned with both sides of the second clearance hole 2. The first connecting copper busbar 402 passes through the second clearance hole 2 and continues to move downward until it reaches the circuit board 300. When it is below the adapter plate, the second connecting copper busbar 403 is located between the limiting channels 42, which can achieve the purpose of preventing the first connecting copper busbar 402 from colliding with the capacitor 30 during movement. For further details, please refer to... Figures 6 to 7 The second limiting part 4 includes two anti-collision parts 41 arranged opposite each other in the left and right directions; the limiting channel 42 is formed between the two anti-collision parts 41. It can be understood that by setting the anti-collision parts 41, the anti-collision parts 41 are connected to the bottom end of the mounting plate 100 and extend downward. The anti-collision parts 41 are located at the lower end of the mounting plate 100 and aligned with both sides of the second clearance hole 2. The first connecting copper busbar 402 passes through the second clearance hole 2 and continues to move downward until it reaches the circuit board 300. When it is below the adapter plate, the second connecting copper busbar 403 is located between the limiting channels 42, which can achieve the purpose of preventing the first connecting copper busbar 402 from colliding with the capacitor 30 during the movement.

[0062] For further details, please refer to... Figure 7 The anti-collision part 41 includes an anti-collision block 411, the anti-collision block 411 having a first side portion 412 facing forward and a second side portion 413 adjacent to the first side portion 412 and located in the left-right direction; the limiting channel 42 is formed between the second side portions 413 of the two anti-collision blocks 411; the first side portion 412 is also used to abut against the second connecting copper busbar 403.

[0063] It is understandable that by setting the first side 412 and the second side 413, with the first side 412 and the second side 413 being vertically arranged and the second side 413 being relatively parallel, the second connecting copper busbars 403 on both sides of the transformer body 401 of the transformer 40 are located on both sides of the first connecting copper busbar 402. The length of the second connecting copper busbar 403 is less than the length of the first connecting copper busbar 402. The first connecting copper busbar 402 and the second connecting copper busbars 403 on both sides form an "L"-shaped area. The first side 412 limits the second connecting copper busbars 403 on both sides to the end of the transformer body 401 of the transformer 40, and the second side 413 limits the first connecting copper busbar 402 on both sides. This achieves the purpose of the anti-collision part 41 limiting the first connecting copper busbar 402 and preventing the first connecting copper busbar 402 from colliding with the capacitor 30.

[0064] For further details, please refer to... Figure 1 The mounting plate has oval holes 6 on both sides for holding.

[0065] It is understandable that the assembly plate 100 is injection molded from PC transparent material, which is easy to observe and insulate. The two sides of the assembly plate are respectively provided with 110mm x 30mm oval holes 6 for easy hand holding. The front end, left end and right end of the assembly plate 100 are respectively provided with at least one limiting block 31. The inner side of the limiting block 31 corresponds to the outer sidewall of the front end, left end and right end of the outer shell 200. The assembly plate 100 is provided with a through guide hole 5 for bolts to pass through and thread the circuit board 300 to the outer shell 200.

[0066] For further details, please refer to... Figure 1 An exposure window 7 is also provided on the assembly plate 100 to expose the components provided on the circuit board 300.

[0067] The present invention also proposes a method for assembling a transformer 40 bolt, comprising the following steps: providing a transformer 40 bolt assembly device, the transformer 40 bolt assembly device comprising the transformer 40 bolt assembly device as described in any one of claims 1 to 7; providing a circuit board 300 to be installed and a housing 200, the circuit board 300 having a capacitor 30 provided thereon; initially installing the circuit board 300 into the slot of the mounting groove of the housing 200; assembling the assembly plate 100 of the transformer 40 bolt assembly device into the slot of the mounting groove of the housing 200, the first limiting part 3 limiting the assembly plate 100 and the housing 200, and such that the distance between the first limiting part 3 and the outer side wall of the housing 200 satisfies a first preset distance condition; installing the transformer 40 from top to bottom into the circuit board 300 through the first clearance hole 1 and the second clearance hole 2, and the first connecting copper busbar 402 of the transformer 40 being located within the limiting channel 42, so that the circuit board 300, the transformer 40, and the transformer 40 bolt assembly device satisfy the preset distance condition.

[0068] Furthermore, the preset spacing conditions between the circuit board 300, the transformer 40, and the transformer 40 bolt assembly equipment include at least one of the following: the spacing L1 between the first connecting copper busbar 402 and the side wall of the limiting channel 42 satisfies the first preset spacing condition; the spacing L2 between the first connecting copper busbar 402 and the bottom wall of the limiting channel 42 satisfies the second preset spacing condition; the spacing L3 between the second limiting part 4 and the capacitor 30 satisfies the third preset spacing condition; the spacing L4 between the transformer 40 and the left side wall of the first clearance hole 1 satisfies the fourth preset spacing condition; and the spacing L5 between the transformer 40 and the right side wall of the first clearance hole 1 satisfies the fifth preset spacing condition.

[0069] Furthermore, the first preset spacing condition includes 0.24mm≤L1≤0.26mm; and / or, the second preset spacing condition includes 1mm≤L2≤3mm; and / or, the third preset spacing condition includes 2mm≤L3≤4mm; and / or, the fourth preset spacing condition includes 13mm≤L4≤15mm; and / or, the fifth preset spacing condition includes 26mm≤L5≤28mm.

[0070] Understandably, setting a first preset spacing, where the first preset spacing L1 is the distance between the two sides of the copper busbar and the two sides of the limiting channel 42, where L1 can be 0.24mm, 0.25mm, 0.26mm, etc., ensures that the first connecting copper busbar 402 will not abut against the limiting channels 42 on both sides when moving within the limiting channel 42, reducing friction and achieving the purpose of protecting the first connecting copper busbar 402. Setting a second preset spacing, where the second preset spacing is the distance L2 between the top end of the first connecting copper busbar 402 and the bottom end of the anti-collision block 411, where L2 can be 1mm, 2mm, 3mm, etc., ensures that the first connecting copper busbar 402 will not abut against the limiting channels 42 on both sides when moving within the limiting channel 42, reducing friction and achieving the purpose of protecting the first connecting copper busbar 402. A first connecting copper busbar 402 is always within the limiting channel 42 to prevent collision between the first connecting copper busbar 402 and the capacitor 30; a third preset distance is the distance L3 between the anti-collision block 411 and the capacitor 30, where L3 can be 2mm, 3mm, 4mm, etc.; a fourth preset distance is the distance L4 between one side of the first clearance hole 1 and the side of the transformer body 401 of the transformer 40, where L4 can be 13mm, 14mm, 15mm, etc.; a fifth preset distance is the distance L5 between the side of the first clearance hole 1 away from L4 and the side of the transformer body 401 of the transformer 40, where L5 can be 26mm, 27mm, 28mm, etc., by setting... Positions L4 and L5 are respectively used for an adult's thumb and forefinger to pass through and clamp the transformer 40 transformer body 401 through the first clearance hole 1. The transformer 40 transformer body 401 is manually pulled by the thumb and forefinger, manually driving the transformer 40 transformer body 401 through the first clearance hole 1, from the top of the mounting plate 100 to the circuit board 300 for installation. Simultaneously, the transformer 40 transformer body 401 drives the first connecting copper busbar 402 from the top of the mounting plate 100 through the second clearance hole 2, passing down to the circuit board 300. This prevents interference from the second side 413 of the anti-collision block 411 on both sides of the first connecting copper busbar 402. The anti-collision block 411 initially... The first connecting copper busbar 402 is always lower than the first connecting copper busbar 402, so the first connecting copper busbar 402 is always in the limiting channel 42 and will not collide with the capacitor 30 on the circuit board 300. At the same time, the ends of the second connecting copper busbars 403 located on both sides of the first connecting copper busbar 402 away from the transformer body 401 of the transformer 40 abut against the first side 412 of the anti-collision block 411. The right angle formed by the first side 412 and the second side 413 abuts against the "L"-shaped area formed between the first connecting copper busbar and the second connecting copper busbar 403, ensuring that when the transformer body 401 and the connecting copper busbar move downward together, the first clearance hole 1 and the second clearance hole 2 guide them respectively.

[0071] The above description is merely an exemplary embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention specification and drawings under the technical concept of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. A transformer bolt assembly device for mounting a transformer onto a circuit board initially installed inside a casing, the circuit board having two spaced capacitor regions in a left-right direction, each capacitor region having a capacitor, the transformer comprising a main body and a first connecting copper busbar and two second connecting copper busbars electrically connected to the main body, characterized in that, The transformer bolt assembly equipment includes: The assembly plate is insulated, and its lower end is used to rest on the groove of the mounting slot of the outer shell. A first clearance hole is provided through the assembly plate for the main body to pass through. A first limiting portion is provided at the lower end of the assembly plate, the first limiting portion being used to limit the assembly plate to the outer shell; and, The second limiting part is located at the lower end of the assembly plate. The second limiting part includes two anti-collision parts and a limiting channel arranged opposite each other in the left and right direction. The limiting channel is formed between the two anti-collision parts and is used to be disposed between the two capacitor areas. The upper end of the assembly plate is also provided with a second clearance hole corresponding to the limiting channel. The second clearance hole is connected to the first clearance hole. The limiting channel and the second clearance hole are used to limit the passage of the first connecting copper busbar.

2. The transformer bolt assembly equipment as described in claim 1, characterized in that, The first limiting part includes multiple limiting blocks, and the multiple limiting blocks are all disposed on the lower end surface of the assembly plate; At least one limiting block is provided at the front end, left end and right end of the assembly plate.

3. The transformer bolt assembly equipment as described in claim 1, characterized in that, The mounting plate also has guide holes for bolts to pass through and for the circuit board to be threaded onto the housing.

4. The transformer bolt assembly equipment as described in claim 1, characterized in that, The anti-collision part includes an anti-collision block, the anti-collision block having a first side portion facing forward, and a second side portion adjacent to the first side portion and located in the left-right direction; The limiting channel is formed between the second sides of the two anti-collision blocks; The first side portion is also used to abut against the second connecting copper busbar.

5. The transformer bolt assembly equipment as described in claim 1, characterized in that, The assembly plate has oval holes on both sides for holding.

6. The transformer bolt assembly equipment as described in claim 1, characterized in that, The assembly plate also has a display window to display the components on the circuit board.

7. A method for assembling transformer bolts, characterized in that, Includes the following steps: Provide a transformer bolt assembly device as described in any one of claims 1 to 6; A circuit board to be installed and a housing are provided, wherein the circuit board is provided with capacitors; The circuit board is initially installed in the slot of the mounting groove of the housing; The assembly plate of the transformer bolt assembly equipment is assembled into the slot of the mounting groove of the outer shell. The first limiting part limits the assembly plate and the outer shell, and the distance between the first limiting part and the outer side wall of the outer shell satisfies the first preset distance condition. The transformer is installed onto the circuit board from top to bottom through the first clearance hole and the second clearance hole, with the first connecting copper busbar of the transformer located within the limiting channel, so that the circuit board, the transformer, and the transformer bolt assembly equipment meet the preset spacing conditions.

8. The method for assembling transformer bolts as described in claim 7, characterized in that, The preset spacing conditions between the circuit board, the transformer, and the transformer bolt assembly equipment include at least one of the following: The distance L1 between the first connecting copper busbar and the sidewall of the limiting channel satisfies the first preset distance condition; The distance L2 between the first connecting copper busbar and the bottom wall of the limiting channel satisfies the second preset distance condition; The distance L3 between the second limiting part and the capacitor satisfies the third preset distance condition; The distance L4 between the transformer and the left side wall of the first clearance hole satisfies the fourth preset distance condition. The distance L5 between the transformer and the right side wall of the first clearance hole satisfies the fifth preset distance condition.

9. The method for assembling transformer bolts as described in claim 8, characterized in that, The first preset spacing condition includes 0.24mm ≤ L1 ≤ 0.26mm; and / or, The second preset spacing condition includes 1mm ≤ L2 ≤ 3mm; and / or, The third preset spacing condition includes 2mm ≤ L3 ≤ 4mm; and / or, The fourth preset spacing condition includes 13mm ≤ L4 ≤ 15mm; and / or, The fifth preset spacing condition includes 26mm≤L5≤28mm.

Images