Seam welding power supply

Abstract

The utility model relates to a seam welding power source which comprises a machine shell, a power source and a power source. Each heat dissipation assembly comprises a heat dissipation fan and an air guide part, the heat dissipation fan and the air guide part are both located in the cavity, the heat dissipation fan is fixedly installed on the inner wall of the machine shell, and the air guide part is fixedly installed on the heat dissipation fan; the cooling fan can suck air outside the machine shell into the cavity through the air guide piece. The utility model has the characteristics of simple structure and the like.

Description

Technical Field

[0001] This utility model relates to the field of welding power source technology, and in particular to a seam welding power source. Background Technology

[0002] A seam welding power supply is a specialized power supply device used in seam welding processes; that is, a dedicated power supply device that provides power to welding equipment. Seam welding is a resistance welding process, typically used to weld two or more thin metal plates together to form a continuous weld seam, commonly used in the manufacture of cans, cylinders, pipes, and other similar products. Currently, to obtain a larger welding current, it is usually necessary to connect the main circuits of multiple welding power supplies in parallel and configure them in the same housing, using a single control circuit for welding control. However, placing multiple welding power supplies together increases the number of components in the same housing, resulting in greater heat generation during operation. Therefore, heat dissipation devices for welding power supplies have been developed, with the main technical solutions being air cooling or water cooling; as shown in the technical solution provided by Chinese Patent Publication No. CN212665266U, air cooling is used to dissipate the heat generated by the welding power supply during operation. Utility Model Content

[0003] The purpose of this invention is to provide another type of seam welding power source, which provides a heat dissipation structure for the seam welding power source to dissipate the heat generated during the operation of the welding power source.

[0004] The seam welding power source provided by this utility model includes:

[0005] The casing has an internal cavity;

[0006] At least one heat dissipation component, each heat dissipation component including a cooling fan and an air guide, the cooling fan and the air guide are both located in the cavity, and the cooling fan is fixedly installed on the inner wall of the housing, and the air guide is fixedly installed on the cooling fan;

[0007] The cooling fan can draw air from outside the casing into the cavity via the air guide.

[0008] Optionally, the housing has an air inlet at a position corresponding to the cooling fan, and the air inlet, cooling fan, and air guide are all arranged concentrically.

[0009] It also includes bolts and nuts, the threaded end of the bolts passing through the housing, the outer frame of the cooling fan, and the air guide, and the nuts being threadedly connected to the bolts and abutting against the air guide.

[0010] Optionally, a dust filter cover is also included, which is detachably mounted on the housing and covers the air inlet.

[0011] Optionally, the housing has several air outlets on at least one side.

[0012] Optionally, the air guide is hollow in the middle, and the cross-section of the air guide gradually decreases in the direction away from the cooling fan.

[0013] Implementing the embodiments of this utility model will have at least the following beneficial effects:

[0014] Compared with conventional welding power sources, the seam welding power source of this invention has a simple structure and a high heat dissipation rate. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model 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 this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a front view of the overall structure of this utility model;

[0018] Figure 3 This is a side view of the overall structure of this utility model;

[0019] Figure 4 This is a rear view of the overall structure of this utility model.

[0020] in:

[0021] 1. Housing; 1C. Air outlet;

[0022] 2. Heat dissipation components; 21. Cooling fan. Detailed Implementation

[0023] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. Preferred embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0024] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0026] Screws can be used for the first, second, third, and fourth fasteners mentioned in this utility model, but this utility model does not limit them and they are not shown in the accompanying drawings of this utility model.

[0027] Reference Figure 1-4 As shown, the seam welding power source provided by this utility model includes:

[0028] The housing 1 has an internal cavity;

[0029] At least one heat dissipation component 2, each heat dissipation component 2 includes a heat dissipation fan 21 and an air guide, both the heat dissipation fan 21 and the air guide are located in a cavity, and the heat dissipation fan 21 is fixedly installed on the inner wall of the housing 1, and the air guide is fixedly installed on the heat dissipation fan 21.

[0030] The cooling fan 21 can draw air from outside the casing 1 and guide it into the cavity through the air guide.

[0031] The seam welding power supply provided by this utility model uses a cooling fan 21 to draw air from outside the housing 1 and guide it into the cavity through an air guide to dissipate heat from the heat-generating components in the cavity of the housing 1.

[0032] It should be noted that the heat-generating components mentioned above can be, for example, power semiconductor devices, transformers, inductors, resistors, etc., which are installed in existing welding power supplies. Since the heat dissipation components are not an improvement on the solution in this embodiment, they will not be described in detail here.

[0033] In this embodiment, the housing 1 has an air inlet at a position corresponding to the cooling fan 21. The air inlet, cooling fan 21, and air guide are all arranged concentrically. It also includes a bolt and a nut. The threaded end of the bolt passes through the housing 1, the outer frame of the cooling fan 21, and the air guide. The nut is threadedly connected to the bolt and abuts against the air guide.

[0034] Specifically, the cooling fan 21 draws air from outside the casing 1 through the air inlet into the air guide, and finally delivers it to the cavity for heat dissipation. Bolts and nuts are provided to facilitate assembly and connection between structures.

[0035] It should be noted that the cooling fan 21 can be a product that is already widely used in the market, and its structure and working principle will not be described in detail here.

[0036] In this embodiment, a dust filter cover (not shown in the figure) is also included, which is detachably installed on the housing 1 and covers the air inlet.

[0037] Specifically, by setting up a dust filter cover, the air drawn from outside the casing 1 by the cooling fan 21 passes through the dust filter cover first, so as to avoid drawing too much dust and impurities from outside the casing 1 into the cavity.

[0038] It should be noted that the dust filter cover mentioned above can be detachably installed on the housing 1, and the connection between the two can be achieved by means of screw assembly or snap-fit ​​connection.

[0039] In this embodiment, at least one side of the housing 1 is provided with a plurality of air outlets 1C.

[0040] Specifically, by setting an air outlet 1C, the air in the cavity is sent out through the air outlet 1C, thereby taking away the heat in the cavity.

[0041] In this embodiment, the middle part of the air guide is hollow, and the cross-section of the air guide gradually decreases in the direction away from the cooling fan 21.

[0042] Specifically, the cross-section of the air guide gradually decreases in the direction away from the cooling fan 21, allowing the cooling fan 21 to draw air from outside the casing 1 and send it into the cavity through the air guide to dissipate heat from the heat-generating components in the cavity. Because the cross-section of the air guide gradually decreases in the direction away from the cooling fan 21, the airflow velocity is increased in the air guide due to the narrow tube effect, thereby improving the heat dissipation rate.

[0043] In some embodiments, the air guide extends from the end away from the cooling fan 21 to the side of the heat-generating component inside the cavity, or it can be understood as extending close to the heat-generating component, so that the cooling fan 21 draws air from outside the casing 1 and delivers air to the heat-generating component for precise heat dissipation through the air guide.

[0044] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A seam welding power source, characterized in that, include: The casing has an internal cavity; At least one heat dissipation component, each heat dissipation component including a cooling fan and an air guide, the cooling fan and the air guide are both located in the cavity, and the cooling fan is fixedly installed on the inner wall of the housing, and the air guide is fixedly installed on the cooling fan; The cooling fan can draw air from outside the casing into the cavity via the air guide; The air guide is hollow in the middle, and the cross-section of the air guide gradually decreases in the direction away from the cooling fan.

2. The seam welding power source according to claim 1, characterized in that: The casing has an air inlet at a position corresponding to the cooling fan, and the air inlet, cooling fan, and air guide are all arranged concentrically. It also includes bolts and nuts, the threaded end of the bolts passing through the housing, the outer frame of the cooling fan, and the air guide, and the nuts being threadedly connected to the bolts and abutting against the air guide.

3. The seam welding power source according to claim 2, characterized in that: It also includes a dust filter cover, which is detachably mounted on the housing and covers the air inlet.

4. The seam welding power source according to any one of claims 1-3, characterized in that: The casing has several air outlets on at least one side.

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