TWI747318B - Method for manufacturing heat conduction device, heat conduction device manufactured by method for manufacturing heat conduction device, method for manufacturing motor, motor manufactured by method for manufacturing motor - Google Patents

Abstract

The invention discloses a method for manufacturing a heat conduction device, a heat conduction device manufactured by the method for manufacturing a heat conduction device, a method for manufacturing a motor and a motor manufactured by the method for manufacturing a motor. The manufacturing method of the heat-conducting device includes: a plate manufacturing step: manufacturing a plate with a plurality of flow channels, the plurality of flow channels are respectively arranged along an axis parallel to each other through the plate and do not communicate with each other, and each flow channel has a first opening and a second opening formed at both ends of the plate; positioning step: making the first opening of each flow channel and the second opening of the adjacent flow channel abut against each other expect the first and second openings adjacent to the two long sides opposite to each other of the plate , so that the plurality of flow channels communicate with each other; a connecting step: fixing the two ends of the plate so as to form a spiral flow channel by the plurality of flow channels.

Description

Method for manufacturing heat conduction device, heat conduction device manufactured therefrom, method for manufacturing motor, and motor manufactured thereby

The present invention relates to a method for manufacturing a heat conduction device, a heat conduction device, a method for manufacturing a motor, and a motor thereof, in particular to a method for manufacturing a heat conduction device suitable for motor heat dissipation, and a heat conduction device, and particularly to a motor with a heat conduction device Manufacturing method and motor manufactured by it.

The existing common water cooling device of the motor has a complicated manufacturing process, which in turn makes the manufacturing cost high.

The invention discloses a method for manufacturing a heat conduction device, a heat conduction device manufactured therefrom, a method for manufacturing a motor, and a motor manufactured therefrom, which are mainly used to improve the existing common water cooling device of the motor, and the manufacturing process is complicated.

One of the embodiments of the present invention discloses a method for manufacturing a heat conducting device, which includes: a plate manufacturing step: manufacturing a plate, the plate has a plurality of flow channels, each flow channel is not connected to each other, and the multiple flow The channels are respectively arranged through the plate along an axis parallel to each other, and each flow channel forms a first opening and a second opening at both ends of the plate; a positioning step: except for one of the long sides adjacent to the plate The first opening of at least one flow channel of the side and the other adjacent to the plate In addition to the second openings of at least one flow channel on each long side, the first openings of the remaining flow channels and the second openings of the adjacent flow channels are abutted against each other, so that the plurality of flow channels communicate with each other to form at least one Spiral flow channel; a connecting step: fix the two ends of the plates that abut each other, so that a heat dissipation fluid can enter from one end of the spiral flow channel and flow out from the other end of the spiral flow channel.

One of the embodiments of the present invention discloses a method for manufacturing a motor: a heat-conducting device forming step and an assembling step; the heat-conducting device forming step includes: a plate manufacturing step: manufacturing a plate with a plurality of flow channels, The flow channels are not connected to each other, and a plurality of flow channels are respectively arranged through the plate along an axis parallel to each other, and each flow channel forms a first opening and a second opening at both ends of the plate; a positioning Step: Except for the first opening of at least one flow channel adjacent to one of the long sides of the plate and the second opening of at least one flow channel adjacent to the other long side of the plate, make the remaining flow channels The first opening and the second opening of the adjacent flow channel abut against each other, so that the multiple flow channels communicate with each other to form at least one spiral flow channel; a connecting step: fix the two ends of the abutting plate to each other, A heat dissipation channel can enter from one end of the spiral channel and flow out from the other end of the spiral channel. The installation step: the heat conduction device manufactured by the heat conduction device forming step is sleeved on the outer shell of a motor, and the heat conduction device and the outer shell are fixed to each other.

In summary, the manufacturing method of the heat conducting device and the manufacturing method of the motor of the present invention have the advantages of low manufacturing cost, simple manufacturing process, etc., and the manufactured heat conducting device can be widely installed in the housing of various motors.

In order to further understand the features and technical content of the present invention, please refer to the following detailed descriptions and drawings about the present invention, but these descriptions and drawings are only used to illustrate the present invention, and do not make any claims about the protection scope of the present invention. limit.

100: heat conduction device

1: Plate

1A: Long side

101: Runner

102: The first opening

103: second opening

102A: Inlet

103A: Outlet

104: first piercing

105: second piercing

106: Spiral flow channel

107: containment channel

11: side wall

12: Protruding structure

13: end face

2: seal

3: Pipeline connector

200: Motor

201: Shell

C: axis

T: thickness

P: spiral path

L: Cooling fluid

FIG. 1 is a schematic flow chart of the first embodiment of the manufacturing method of the heat conducting device of the present invention.

Figure 2 is the plate manufacturing method of the first embodiment of the heat conducting device manufacturing method of the present invention Schematic diagram of the panel manufactured in the manufacturing step.

Fig. 3 is a top view of Fig. 2.

FIG. 4 is a schematic diagram of the plate during the positioning step of the first embodiment of the manufacturing method of the heat conducting device of the present invention.

Fig. 5 is a schematic diagram of the plate manufactured after the positioning step of the first embodiment of the manufacturing method of the heat conducting device of the present invention.

FIG. 6 is a schematic diagram of a heat conduction device manufactured by the first embodiment of the method for manufacturing a heat conduction device of the present invention.

FIG. 7 is a schematic flow chart of the second embodiment of the manufacturing method of the heat conducting device of the present invention.

FIG. 8 is a schematic diagram of a heat conduction device manufactured by the second embodiment of the method for manufacturing a heat conduction device of the present invention.

FIG. 9 is a schematic flowchart of the third embodiment of the manufacturing method of the heat conducting device of the present invention.

Fig. 10 is a schematic diagram of the plate manufactured in the plate manufacturing step of the third embodiment of the manufacturing method of the heat conducting device of the present invention.

Fig. 11 is a top view of Fig. 10.

FIG. 12 is a schematic diagram of the plate during the positioning step of the third embodiment of the manufacturing method of the heat conducting device of the present invention.

FIG. 13 is a schematic diagram of the plate manufactured after the positioning step of the third embodiment of the manufacturing method of the heat conducting device of the present invention.

FIG. 14 is a schematic diagram of the manufacturing process of the manufacturing method of the motor of the present invention.

Fig. 15 is a schematic diagram of a motor manufactured by the method of manufacturing a motor of the present invention.

In the following description, if it is pointed out, please refer to the specific drawing or as shown in the specific drawing, it is only used to emphasize in the subsequent description, and most of the related content appears in the specific drawing. However, it is not limited that only the specific drawings can be referred to in this subsequent description.

Please refer to FIGS. 1 to 6 together. FIG. 1 is a schematic flowchart of the first embodiment of the method for manufacturing a heat conduction device of the present invention, and FIG. 2 is the production of a plate in the first embodiment of the method for manufacturing a heat conduction device of the present invention. 3 is a top view of FIG. 2, and FIG. 4 is a schematic diagram of the plate during the positioning step of the first embodiment of the method for manufacturing a heat conducting device of the present invention, and FIG. 5 is The schematic diagram of the board manufactured after the positioning step of the first embodiment of the method of manufacturing a heat conducting device of the present invention. FIG. 6 is a schematic diagram of the thermal device manufactured by the first embodiment of the method of manufacturing a heat conducting device of the present invention .

The manufacturing method of the heat conducting device includes: a plate manufacturing step S11: manufacturing a plate 1 with a plurality of flow channels 101 in the plate 1, each flow channel 101 is not connected to each other, and the multiple flow channels 101 are separate They are arranged through the plate along an axis C parallel to each other, and each flow channel 101 forms a first opening 102 and a second opening 103 at both ends of the plate 1; a positioning step S12: except for adjacent to each other of the plate 1 Outside the first opening 102 and the second opening 103 on the two opposite long sides, the first opening 102 of each flow channel 101 and the second opening 103 of the adjacent flow channel 101 abut against each other, so that multiple flows The channels 101 communicate with each other; a connecting step S13: fix the two ends of the abutting plate 1 to each other, so that a plurality of flow channels 101 are connected to each other to form a spiral flow channel 106; wherein, adjacent to the plate 1 opposite to each other The first opening 102 and the second opening 103 of the two long sides 1A are respectively defined as a first-rate inlet 102A and a first-rate outlet 103A. The inlet 102A is used to provide a heat transfer fluid to flow into the spiral flow channel 106. The outlet 103A is used to provide the heat transfer fluid to flow out of the spiral flow channel 106.

As shown in Figures 1 and 2, in the plate manufacturing step S1 referred to in this embodiment, each flow channel 101 penetrates the plate along the axis C parallel to one of the long sides 1A of the plate 1. And a plurality of flow channels 101 are formed in the plate 1 side by side with each other. Regarding the manner in which a plurality of flow channels 101 are formed in the plate 1, there is no limitation here.

In this embodiment, each flow channel 101 is roughly rectangular, and the first opening 102 and the second opening 103 are both rectangular. However, the appearance of each flow channel 101 is not limited to this. In special applications, the flow channel 101 can also be cylindrical, and each of the first opening 102 and the second opening 103 can be correspondingly round.

It is worth mentioning that in the plate manufacturing step S1, the dimensions of the plurality of runners 101 formed are completely the same, that is, the length, width, and height of each runner 101 are completely the same, and each The shapes of the first opening 102 and each of the second openings 103 are also completely the same.

As shown in Figures 2 to 4, in the positioning step S2, the plate 1 manufactured in the plate making step S11 can be bent by the angle rolling method, and the angle of the angle in the angle rolling method can be It is determined according to the width of each flow channel 101 and the separation distance between two adjacent flow channels 101. Preferably, the inclination angle may be 10 degrees. That is to say, in the positioning step S12, the two ends of the plate 1 may be bent toward each other by using related mechanical equipment, and one end of the plate 1 is slightly twisted relative to the other end, according to One end and the other end of the plate 1 are mutually offset and abut against each other.

In practical applications, in the plate making step S11, the thickness T of the side walls 11 between the runners 101 can be no greater than 15 mm. In this way, in the positioning step S2, it will be relatively easy The plurality of first openings 102 and the plurality of second openings 103 abut against each other.

As shown in Figures 5 and 6, in practical applications, in the connecting step S14, welding and other methods may be used to connect and fix the two ends of the plate 1 to each other, but it is not limited to this. In practical applications , It can be based on the actual material of the plate 1 and the corresponding method is selected to connect the two ends of the plate 1 to each other. It is worth mentioning that, as shown in FIGS. 2 to 5, in the positioning step S12, In a specific implementation, the plate 1 shown in Fig. 2 can be bent into the state shown in Fig. 4 by using relevant tools, equipment, etc., and it can also be matched with a fixing mechanism such as a fixture to make the plate 1 The two ends of the plate 1 stably abut against each other, so as to facilitate related personnel or mechanical equipment to perform welding operations on the two ends of the plate 1 against each other (that is, the connection step S14).

As shown in FIGS. 4 to 6, the heat conducting device 100 manufactured by the method of manufacturing the heat conducting device of the present invention will have a containing channel 107 in the middle, and the containing channel 107 can be used to cover the need for heat dissipation. Or outside the heating device. For example, the heat conducting device 100 can be used to cover the motor. When the motor is running, the cooling fluid L can flow into the spiral flow channel 106 from the inlet 102A of the heat conducting device 100. , In this way, the cooling fluid will spirally flow from one end of the heat conducting device 100 to the other end of the heat conducting device 100 along the spiral flow channel 106, and finally leave the heat conducting device 100 from the outlet 103A, and take away the motor accordingly. The heat generated during operation. As shown in FIG. 6, that is to say, after the cooling fluid L enters the heat conducting device 100 from the inlet 102A, it will move along a spiral path P shown in the figure from one end of the heat conducting device 100 to the other end, and will be transferred by the heat conducting device 100. The outlet 103A of the device 100 flows out.

It should be noted that, in specific implementation, a pipe joint may be fixedly arranged at the inlet 102A and the outlet 103A, and the pipe used to transport the heat transfer fluid can be conveniently connected to the spiral flow through the pipe joint. Road 106 is connected.

Please refer to FIGS. 7 and 8 together. FIG. 7 is a schematic flow diagram of the second embodiment of the method of manufacturing a heat conduction device of the present invention, and FIG. 8 is a flow chart of the second embodiment of the method of manufacturing a heat conduction device of the present invention. Schematic diagram of the heat-conducting device.

As shown in FIG. 7, the biggest difference between this embodiment and the previous embodiment is that after the connecting step S13, it may further include: a sealing step S14: sealing two opposite long sides 1A adjacent to the plate 1 The first opening (i.e. the aforementioned flow inlet 102A) and the second opening (i.e. the aforementioned flow outlet 103A), so that the spiral flow path is sealed; A perforation step S15: a first perforation 104 and a second perforation 105 are formed on the side wall forming the spiral flow channel. The heat transfer fluid adjacent to the spiral flow channel flows out.

As shown in FIG. 8, in practical applications, in the sealing step S4, a sealing member 2 may be fixed to the first opening of the two opposite long sides 1A adjacent to the plate 1 (that is, the aforementioned flow The inlet 102A) and the second opening (that is, the aforementioned outlet 103A). The sealing element 2 can be made of the same material as the plate 1, and the sealing element 2 can be fixed to the plate 1 by welding, for example. In different embodiments, the sealing member 2 may not be used to seal the first opening and the second opening. For example, it may be the first opening adjacent to the two long sides 1A of the plate 1 opposite to each other. The surroundings and the surroundings of the second opening are respectively molten, and then related tools are used to seal the first opening and the second opening.

As shown in FIG. 8, in the perforation step S15, the first perforation 104 may be adjacent to the first opening (that is, the aforementioned inflow port 102A), and the second perforation 105 is adjacent to the second opening ( That is, the aforementioned outlet 103A), but the location and number of the first perforation 104 and the second perforation 105 are not limited to those shown in the figure, and they can be changed according to requirements.

It is worth mentioning that, in practical applications, it is also possible to install a pipe joint 3 in the first perforation 104 and the second perforation 105 respectively, and the pipe joint 3 is used to connect with an external pipeline. , And the pipeline used to transport the heat-conducting fluid can communicate with the spiral flow channel in the heat-conducting device 100 through the pipe joint 3.

Please refer to FIGS. 9 to 13 together. FIG. 9 is a schematic flow diagram of a third embodiment of the method of manufacturing a heat conduction device of the present invention, and FIG. 10 is a panel fabrication of the third embodiment of the method of manufacturing a heat conduction device of the present invention. Fig. 11 is a top view of Fig. 10, and Fig. 12 is a schematic diagram of the plate during the positioning step of the third embodiment of the method of manufacturing a heat conducting device of the present invention. Fig. 13 is The schematic diagram of the plate manufactured after the positioning step of the third embodiment of the manufacturing method of the heat conducting device of the present invention.

As shown in FIG. 9, the manufacturing method of the heat conducting device of this embodiment includes: a plate manufacturing step S21: manufacturing a plate 1 with a plurality of flow channels 101 in the plate 1, and the flow channels 101 are not connected to each other, And a plurality of flow channels 101 are respectively disposed along an axis C parallel to each other through the plate, and each flow channel 101 forms a first opening 102 and a second opening 103 at both ends of the plate 1; a positioning step S22 : Except for the first opening 102 and the second opening 103 adjacent to the two opposite long sides of the plate 1, the first opening 102 of each flow channel 101 and the second opening 103 of the adjacent flow channel 101 are mutually Contact with each other, and make the first opening 102 and the second opening 103 adjacent to the two long sides 1A of the plate 1 not form the second opening 103 with the plate 1 respectively. The end surface 13 and the end surface 13 not formed with the first opening 102 abut against each other; a connecting step S23: fix the two ends of the abutting plate 1 to each other, so that the plurality of flow channels 101 are connected to each other to form a spiral flow Channel 106, and the spiral flow channel 106 is closed; a perforating step S24: forming a first through hole 104 and a second through hole 105 on the side wall where the spiral flow channel 106 is formed, and the first through hole 104 is used to provide a heat conduction The fluid flows into the spiral flow channel, and the second perforation 105 can provide the heat-conducting fluid adjacent to the spiral flow channel to flow out.

As shown in Figures 9 to 11, the biggest difference between this embodiment and the previous embodiment is that the plate 1 manufactured in the plate manufacturing step S21 of the method for manufacturing a heat conducting device of this embodiment includes The central axis C of each flow channel 101 is not parallel to one of the long sides 1A of the plate 1, and the plurality of flow channels 101 are arranged diagonally. That is to say, an included angle θ is formed between the central flow channel 101 of each flow channel 101 and the extension line of the long side 1A of the plate 1, and the two Are they parallel to each other. In a preferred practical application, the included angle θ can range from 3 degrees to 30 degrees.

As shown in FIGS. 10 to 12, another difference between this embodiment and the foregoing embodiment is that in the positioning step S22, in the process of bending the plate 1 there is no need to twist one end of the plate 1 . Please refer to FIGS. 6 and 13 together. As shown in FIG. 6, the heat conducting device 100 manufactured by the first embodiment of the aforementioned heat conducting device manufacturing method has protruding structures 12 at both ends of the heat conducting device 100; In contrast, as shown in FIG. 13, in the heat conduction device 100 manufactured by the method for manufacturing the heat conduction device of this embodiment, the opposite ends of the plate 1 are flat and do not appear in the figure. Protruding structure 12 shown in 5.

Please refer to FIGS. 14 to 15 together. FIG. 14 is a schematic diagram of the manufacturing method of the motor manufacturing method of the present invention, and FIG. 15 is a schematic diagram of the motor manufactured by the motor manufacturing method of the present invention. The motor manufacturing method of the present invention includes: a heat-conducting device forming step and an assembling step. The forming steps of the heat conducting device are the same as the steps included in the foregoing embodiments of the method for manufacturing the heat conducting device, and will not be repeated here. The installation step is: the heat conduction device 100 manufactured by the heat conduction device forming step is sleeved on the housing 201 of a motor 200, and the heat conduction device 100 and the housing 201 are fixed to each other.

In practical applications, the diameter of the accommodating channel 107 included in the heat-conducting device 100 manufactured by the forming step of the heat-conducting device may be slightly smaller than the outer diameter of the housing 201 of the motor 200, and in the mounting step Related equipment may be used to press the motor 200 into the accommodating passage 107, so that the motor 200 and the heat conducting device 100 are fixed to each other in a tight fit.

In particular, in the installation step, the housing 201 of the motor 200 and the heat conducting device 100 may be fixed to each other, and then the related motor components in the motor 200 are installed in the housing 201 of the motor 200; or In the installation step, the motor 200 that can be operated after being energized may be directly installed in the accommodating channel 107 of the heat conducting device 100.

In particular, in each of the drawings included in the above embodiments, the plate 1 is bent into a cylindrical shape as an example, but the manufacturing method of the heat conducting device of the present invention is not limited to the plate. 1 is bent into a cylindrical shape, as long as the remaining first opening 102 and the second opening 103 of the non-inlet 102A and the outflow outlet 103A can communicate with each other, and form the spiral flow channel 106 accordingly, the plate 1 can be bent according to requirements, Bend into any shape.

It should be noted that the heat conduction device manufactured by any one of the embodiments of the heat conduction device of the present invention should be within the claimable scope of the patent application of the present invention, and the method for manufacturing the motor of the present invention described above should be used. The manufactured heat conduction device should also fall within the claimable scope of the patent application of the present invention.

In summary, the manufacturing method of the heat conducting device and the manufacturing method of the motor of the present invention have the advantages of low manufacturing cost, simple manufacturing process, etc., and the manufactured heat conducting device can be widely installed in the housing of various motors.

The above are only the preferred and feasible embodiments of the present invention, which do not limit the patent scope of the present invention. Therefore, all equivalent technical changes made by using the description and drawings of the present invention are included in the protection scope of the present invention. .

S11~S13: Process steps

Claims (10)

A method for manufacturing a heat conducting device, comprising: a plate manufacturing step: manufacturing a plate, the plate has a plurality of flow channels, each of the flow channels is not connected to each other, and the plurality of flow channels are Respectively pass through the plate along an axis parallel to each other, and each of the flow channels forms a first opening and a second opening at both ends of the plate; a positioning step: except adjacent to the plate At least one of the first openings of the flow channel on one of the long sides of the plate and the second opening of at least one of the flow channels adjacent to the other long side of the plate, so that the remaining The first openings of each of the flow channels and the second openings of the adjacent flow channels abut against each other, so that a plurality of the flow channels communicate with each other to form at least one spiral flow channel; a connecting step : Fixing the two ends of the plates that abut against each other, so that a heat dissipation fluid can enter from one end of the spiral flow channel and flow out from the other end of the spiral flow channel. The method for manufacturing a heat conducting device according to claim 1, wherein each of the flow channels penetrates the plate along the axis parallel to one of the long sides of the plate. The method for manufacturing a heat conduction device according to claim 1, wherein, in the plate manufacturing step, each of the flow channels penetrates the plate along the axis that is not parallel to one of the long sides of the plate. The plate, and a plurality of the flow channels are arranged obliquely; wherein, in the positioning step, the first openings adjacent to the two long sides of the plate and the The second openings respectively abut against the end surface of the plate not formed with the second opening and the end surface not formed with the first opening, and the spiral flow formed in the connecting step The road is closed; wherein, in the connecting step The step further includes: a perforating step: forming a first perforation and a second perforation on the side wall forming the spiral flow channel, the first perforation is used to provide a heat transfer fluid to flow into the spiral flow channel, and the The second perforation is used to provide the heat-conducting fluid adjacent to the spiral flow channel to flow out. The method for manufacturing a heat conduction device according to claim 1, wherein, after the connecting step, it further includes: a sealing step: sealing the second long sides adjacent to the two long sides of the plate that are opposite to each other An opening and the second opening, so that the spiral flow channel is sealed; a perforation step: forming a first through hole and a second through hole on the side wall forming the spiral flow channel; wherein, the first The perforation and the second perforation connect the spiral flow passage with the outside, and the first perforation is used to provide a heat transfer fluid to flow into the spiral flow passage, and the second perforation is used to provide adjacent to the spiral flow passage. The heat-conducting fluid in the spiral flow channel flows out. A heat conduction device manufactured by the method for manufacturing a heat conduction device as described in claim 1. A method for manufacturing a motor: a step of forming a heat conduction device, which includes: a step of making a plate: manufacturing a plate, the plate has a plurality of flow channels, each of the flow channels is not connected to each other, and a plurality of The flow passages are respectively arranged along an axis parallel to each other through the plate, and each of the flow passages forms a first opening and a second opening at both ends of the plate; a positioning step: except The first opening of at least one of the flow channels adjacent to one of the long sides of the plate and the second opening of at least one of the flow channels adjacent to the other long side of the plate Opening In addition, the first openings of each of the remaining flow channels and the second openings of the adjacent flow channels are made to abut against each other, so that a plurality of the flow channels communicate with each other to form at least one spiral flow channel A connecting step: fixing the two ends of the plate abutting against each other so that a heat dissipation fluid can enter from one end of the spiral flow channel and flow out from the other end of the spiral flow channel; an installation step : The heat conduction device manufactured in the step of forming the heat conduction device is sleeved on a shell of a motor, and the heat conduction device and the shell are fixed to each other. The method of manufacturing a motor according to claim 6, wherein each of the flow passages penetrates the plate along the axis parallel to one of the long sides of the plate. The method for manufacturing a motor according to claim 6, wherein, in the plate manufacturing step, each of the flow passages penetrates through the axis along the axis that is not parallel to one of the long sides of the plate A plate, and a plurality of the flow channels are arranged obliquely; wherein, in the positioning step, the first openings adjacent to the two long sides of the plate and the The second opening respectively abuts against the end surface of the plate not formed with the second opening and the end surface not formed with the first opening, and the spiral flow channel formed in the connecting step Is a closed shape; wherein, after the connecting step, it further includes: a perforating step: forming a first perforation and a second perforation on the side wall where the spiral flow channel is formed, and the first perforation is used to provide a heat conduction The fluid flows into the spiral flow channel, and the second perforation is used to provide the heat conduction fluid adjacent to the spiral flow channel to flow out. The method of manufacturing a motor according to claim 6, wherein, after the connecting step, it further includes: a sealing step: sealing the two opposite sides adjacent to the plate The first opening and the second opening on the side make the spiral flow channel in a sealed shape; a perforating step: forming a first through hole and a second through hole on the side wall where the spiral flow channel is formed; Wherein, the first perforation and the second perforation connect the spiral flow passage with the outside, and the first perforation is used to provide a heat transfer fluid to flow into the spiral flow passage, and the second perforation is It is used to provide the heat-conducting fluid adjacent to the spiral flow channel to flow out. A motor manufactured by the method of manufacturing a motor according to claim 6.

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