TWI739609B - Manufacturing method of fan stator structure - Google Patents

Abstract

A manufacturing method of fan stator structure includes the steps of providing a fan stator; providing a plurality of coil lead wire holders at an end of the fan stator; and winding lead wires on the fan stator to form coils, and setting and connecting a front end and a back end of each of the lead wires to the coil lead wire holders. The above method eliminates the drawbacks of the conventional fan stator coil winding operation, such as requiring manual twisting and trimming of the lead wire front ends and back ends and leaking of tin solder occurred during welding of the lead wires to a circuit board.

Description

Method for manufacturing fan stator structure

A method for manufacturing a fan stator structure, in particular, refers to a method for manufacturing a fan stator structure that can improve the efficiency of the fan stator winding coils, the first and end wires of the coils, and the electrical connection with the circuit board.

The most important of the fans is that the stator group and the rotor group are mutually arranged, and they are operated by inductive magnetism. Among them, the stator group 5 is composed of a plurality of silicon steel sheets 51 stacked with upper and lower insulating frames 52 at the upper and lower ends. , 53, and then wind a coil 54 on each pole, and finally the coil and a circuit board 55 are welded to complete the manufacturing operation.

In the prior art, the winding of the coil 54 to the stator assembly 5 can be performed manually or by an automated machine. The winding operation is mainly performed by wrapping the first end 541 of the coil 54 around one of the poles to fix it ( As shown in Fig. 1a), and keep the head end 541 as a free end and wound in a twist shape (as shown in Fig. 1b), then perform winding operations on each pole, and finally target the head end 541 and the end of the coil 54 542 then perform the thread management operation; however, the conventional technology for the thread management system can only manually arrange the winding thread in a twist-like manner, which is very labor-intensive and time-consuming, and is organized by different people. After processing, the first, end 541, and 542 of the thread management coil 54 have different diameters and thicknesses of the twist-like entanglement. Therefore, a trimming procedure must be used to adjust the appropriate length (as shown in Figures 2a and 2b) .

Furthermore, when the first, end 541, 542 of the coil 54 are plugged and electrically connected to the circuit board 55, they are also manually fixed by soldering (as shown in Figure 2c). 541, 542 Because the overall wire diameter is increased after winding, the corresponding opening 56 on the circuit board 55 must be enlarged, and when the opening is enlarged, problems such as tin leakage will occur, and the corresponding soldering position is The solder package 6 on the circuit board 55 has also increased a lot, and the remaining coils 54 and ends 541, 542 after soldering are not aesthetically pleasing, and the length is too long to easily cause short circuits, so they must be re-sold. Carrying out a pruning procedure is time-consuming and labor-intensive, as shown in Figures 1a, 1b, 2a, 2b, and 2c.

Although the stator of the conventional fan can be wound by a mechanized automatic machine in the winding work, the final wire management step after the winding work is completed still needs to be processed manually, so it is important for production efficiency and reducing manufacturing costs. The yield is still poor.

Therefore, how to improve the lack of knowledge and reduce working hours, reduce the use of manpower and further reduce the defect rate, is the first priority of the current industry.

Therefore, in order to effectively solve the above-mentioned problems, the main purpose of the present invention is to provide a method for manufacturing a fan stator structure that can save manpower and shorten the manufacturing time.

In order to achieve the above objective, the present invention provides a method for manufacturing a fan stator structure, which includes the following steps: providing a fan stator; providing a plurality of coil conductive fixing brackets arranged at one end of the fan stator; winding the fan stator, The front section and the end section of the coil are respectively arranged on the coil conductive fixing supports to be combined with them.

The manufacturing method of the fan stator structure of the present invention can greatly reduce manufacturing man-hours and save manpower, thereby reducing manufacturing costs and improving production efficiency and yield.

1: Fan stator

11: Silicon steel sheet

12: Insulation frame

2: Coil conductive fixing bracket

21: Socket end

22: Cross-slot

23: fixed end

3: coil

4: circuit board

41: Hole

42: Welding point

5: Conventional stator group

51: Silicon steel sheet

52: upper insulating frame

53: Lower insulation frame

54: Coil

55: circuit board

56: Hole

6: Tin package

Figure 1a is a schematic diagram of conventional fan stator processing; Figure 1b is a schematic diagram of conventional fan stator processing; Figure 2a is a schematic diagram of conventional fan stator processing; Figure 2b is a schematic diagram of conventional fan stator processing; Figure 2c Figure is a schematic diagram of a conventional fan stator processing; Figure 3 is a flow chart of the first embodiment of the fan stator structure manufacturing method of the present invention; Figure 4a is the first embodiment of the fan stator structure manufacturing method of the present invention A perspective view of the fan stator structure; Figure 4b is a schematic diagram of the coil conductive fixing bracket of the first embodiment of the fan stator structure manufacturing method of the present invention; Figure 5 is the step flow chart of the second embodiment of the fan stator structure manufacturing method of the present invention Figure 6 is a perspective view of the fan stator structure of the second embodiment of the fan stator structure manufacturing method of the present invention; Figure 7 is the step flow chart of the third embodiment of the fan stator structure manufacturing method of the present invention; Figure 8 is It is a perspective view of the fan stator structure of the third embodiment of the method for manufacturing the fan stator structure of the present invention.

The above-mentioned objects and structural and functional characteristics of the present invention will be described based on the preferred embodiments of the accompanying drawings.

Please refer to Figures 3, 4a, and 4b, which are the step flow chart of the first embodiment of the fan stator structure manufacturing method of the present invention, the three-dimensional view of the fan stator structure and the schematic diagram of the coil conductive fixing bracket. The fan stator structure manufacturing method includes the following Steps: S1: provide a fan stator; provide a fan stator 1, the fan stator 1 has a silicon steel sheet group 11 and a plurality of insulating frames 12, the silicon steel sheet group 11 is composed of a plurality of silicon steel sheets stacked, and the insulating frames 12 are arranged at the upper and lower ends of the silicon steel sheet groups 1; S2: provide a plurality of coil conductive fixing brackets to be arranged at one end of the fan stator; provide a plurality of coil conductive fixing brackets 2, the coil conductive fixing brackets 2 having a plug The connecting end 21 and a spanning slot 22 and a fixed end 23 are separately provided at the first and last ends of the coil conductive fixing bracket 2. The spanning slot 22 is provided adjacent to the insertion end 21 and the fixed end 23. At least one side of the terminal 21 is lower than the plug-in terminal 21, and the coil conductive fixing bracket 2 passes through the plug-in terminal 21 and is arranged at the insulating frame 12 at the lower end of the fan stator. Of course, it can also be integrated by injection. The coil conductive fixing bracket 2 and the insulating frame 12 are integrally molded by injection molding.

S3: Coil winding is performed on the fan stator, and the front section and the end section of the coil are respectively arranged on the coil conductive fixing supports to be combined with them.

Regarding the operation of coil winding, the fan stator 1 can be wound by manual or automatic winding machine. Each pole of the fan stator 1 performs winding operation. When the winding operation is completed, the end of the coil 3 is straddled or hung on the other conductive fixing support 2 of the coil, and when the end of the coil 3 is electrically connected to the coil When the fixing bracket 2 is combined, the insulating layer outside the coil 3 is conductively fixed by the coil 3 The straddling slot 22 is rubbed off and falls off, so that the inner copper wire of the coil 3 is directly exposed to ensure electrical connection with the conductive fixing bracket 2 of the coil.

The manufacturing method of the fan stator structure of the present invention can improve the conventional winding operation of the stator, which can only be done manually, which can not only greatly improve the efficiency of manufacturing, but also reduce the use of man-hours and manpower. Improve process yield and reduce manufacturing costs.

Please refer to Figures 5 and 6, which are the step flow diagrams and processing schematic diagrams of the second embodiment of the fan stator structure manufacturing method of the present invention. The fan stator structure manufacturing method includes the following steps: S1: providing a fan stator; S2 : Provide a plurality of coil conductive fixing brackets to be arranged at one end of the fan stator; S3: perform coil winding on the fan stator, and set the front and end sections of the coil on the coil conductive fixing brackets to be combined with them; Part of the content of this example is the same as that of the foregoing first embodiment, so it will not be repeated here. However, the difference between this embodiment and the foregoing first embodiment lies in the steps: coil winding of the fan stator, and the coil The previous section and the last section are respectively arranged on the conductive fixing brackets of the coils and combined with this step, and there is a step after the step: S4: welding the joint of the conductive fixing brackets of the coil and the coil.

For the part where the coil 3 is straddled or hung on the conductive fixing bracket 2 of the coils 3, the part is welded by welding, and the coil 3 and the conductive fixing bracket are added by the welding operation 2. Conductivity and bonding strength. The welding operation is resistance or laser welding. The resistance welding generates resistance for the coil conductive fixing bracket 2 through contact and then generates heat, so that the coil 3 and the coil conductive fixing bracket 2 are fused At the same time, the insulating layer on the surface of the coil 3 is destroyed, ensuring that the coil 3 is electrically connected to the coil conductive fixing bracket 2.

Please refer to Figures 7 and 8, which are the step flow chart and the perspective view of the fan stator structure of the third embodiment of the fan stator structure manufacturing method of the present invention. The fan stator structure manufacturing method includes the following steps: S1: Provide a fan stator S2: Provide a plurality of coil conductive fixing brackets to be arranged at one end of the fan stator; S3: perform a coil winding on the fan stator, and combine the front and end sections of the coil on the coil conductive fixing brackets respectively; Part of the content of this embodiment is the same as the foregoing first embodiment, so it will not be repeated here. However, the difference between this embodiment and the foregoing first embodiment lies in step S3: coil winding is performed on the fan stator, and the The front section and the end section of the coil 3 are respectively arranged on the coil conductive fixing brackets 2 and combined with them. After this step, there is another step: Step S5: Fix and electrically connect the coil conductive fixing bracket of the fan stator to a circuit board .

When the foregoing step S3 is completed: coil winding is performed on the fan stator, and the front section and the end section of the coil are respectively arranged on the conductive fixing brackets of the coils and combined with them, it is further desired to further combine the fan stator 1 with a circuit board 4 is fixed and electrically connected to complete a complete fan stator 1. The circuit board 4 and the fan stator 1 are combined through the coil conductive fixing bracket 2, and the fan stator 1 and the circuit board 4 mainly have Two ways are combined. One is that the fan stator 1 is soldered to the circuit contact on the surface of the circuit board 4 through the coil conductive fixing bracket 2 to be electrically connected to the circuit board, and the welding method is mainly through the A solder layer is applied to the surface or one end of the coil conductive fixing bracket 2. After heating, the solder layer is melted so that the coil conductive fixing bracket 2 is electrically connected to the circuit board 4.

Another combination method is to open holes 41 in the circuit board 4 and the position where the coil conductive fixing bracket 2 of the fan stator 1 is to be assembled correspondingly, and the coil conductive fixing bracket 2 can be tightly matched with the holes 41 The hole 41 has a conductive layer on the wall surface, so that the coil conductive fixing bracket 2 and the circuit board 4 are electrically connected through the conductive layer, or the circuit board 4 is arranged around the holes 41 Welding points 42, after the coil conductive fixing bracket 2 penetrates the circuit board 4 through the holes 41 correspondingly, the coil conductive fixing bracket 2 is electrically connected with the circuit board by means of spot welding.

The main purpose of the present invention is to solve the shortcomings that the conventional fan stator winding work can only be manually arranged, trimming, and welding circuit boards on the coil head and the end section after the completion of the winding work. Through the manufacturing method of the fan stator structure of the present invention, it can be further matched with other automation equipment to complete the purpose of fully automated production of the fan stator, thereby saving labor costs and improving production efficiency and process yield.

1: Fan stator

11: Silicon steel sheet

12: Insulation frame

2: Coil conductive fixing bracket

3: coil

Claims (7)

A method for manufacturing a fan stator structure includes the following steps: providing a fan stator; providing a plurality of coil conductive fixing brackets arranged at one end of the fan stator; the coil conductive fixing bracket has an insertion end, a straddling slot, and a fixing The plug-in end and the fixed end are separately arranged at both ends of the coil conductive fixing bracket, and the spanning slot is arranged adjacent to one side of the plug-in end and is lower than the plug-in end; the fan stator The coil is wound, and the front section and the end section of the coil are respectively arranged on the spanning slots of the coil conductive fixing brackets to be combined with them. The method for manufacturing a fan stator structure according to claim 1, wherein the fan stator has a silicon steel sheet group and a plurality of insulating frames, and the silicon steel sheet group is composed of a plurality of silicon steel sheets stacked on top of the silicon steel sheet group , An insulating frame is arranged at each of the lower ends, and the coil conductive fixing frame is arranged on the insulating frame at the lower end of the fan stator. The method for manufacturing a fan stator structure according to claim 1, wherein in the step: coil winding is performed on the fan stator, and the front section and the end section of the coil are respectively arranged on the coil conductive fixing brackets and combined with it. There is a step of welding the joint between the coil conductive fixing bracket and the coil. The method for manufacturing a fan stator structure according to claim 3, wherein the step is a step of welding the joint between the coil conductive fixing bracket and the coil, and the welding is resistance or laser welding. The method for manufacturing a fan stator structure according to claim 1, wherein the steps are: coil winding is performed on the fan stator, and the front and end sections of the coil are respectively arranged on the coils. After the step of combining it with the fixing bracket, there is another step: fixing and electrically connecting the conductive fixing bracket of the fan stator to a circuit board. The method for manufacturing a fan stator structure according to claim 1, wherein the surface of the coil conductive fixing bracket has a solder layer. The method for manufacturing a fan stator structure according to claim 5, wherein the step: fixing and electrically connecting the coil conductive fixing bracket of the fan stator to a circuit board and electrically connecting this step is followed by a step: The coil conductive fixing bracket is fixed and electrically connected to a circuit board.

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