CN215393062U - Integrated heat dissipation device and inverter welding machine - Google Patents

Abstract

The utility model discloses an integrated heat dissipation device and an inverter welding machine, which comprise a heat radiator body, a first circuit element module and a second circuit element module, wherein the first circuit element module and the second circuit element module are arranged on the heat radiator body, the second circuit element module comprises a plurality of fast recovery diodes, the fast recovery diodes are connected with the heat radiator body, and the second circuit element module and the first circuit element module are different in type and are mutually insulated, so that different types of power devices are assembled on the same heat radiator to realize the integral heat dissipation of the power devices, the heat dissipation is more uniform, the heat radiator body can be arranged in an independent air duct to enable a fan to completely blow the heat radiator body, and the heat dissipation efficiency of air exhaust is improved.

Description

Integrated heat dissipation device and inverter welding machine

Technical Field

The utility model relates to the field of welding machines, in particular to an integrated heat dissipation device and an inverter welding machine.

Background

The inside different kinds of power devices such as IGBT module, fast recovery diode module, rectifier module of inverter welding machine all can produce the heat at inverter welding machine during operation to along with inverter welding machine high load during operation power output's increase, the heat that power device and produced also can increase rapidly, consequently, for guaranteeing inverter welding machine's power device work in suitable temperature range, must take corresponding heat dissipation measure.

The heat dissipation measure adopted in the prior art generally adopts a radiator to dissipate heat, different power devices are respectively assembled with a plurality of different radiators and are assisted with air exhaust to dissipate heat, but when the radiators are arranged in an inverter welding machine, because of intervals among the radiators, the radiators cannot be fully utilized to dissipate heat during air exhaust blowing, the air exhaust heat dissipation efficiency is insufficient, and in the air exhaust process, because of the difference of the air receiving area of the arrangement positions of the radiators and the size and the performance of the radiators, the heat dissipation is uneven.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides an integrated heat dissipation device, which is used for assembling different power devices on the same heat sink for heat dissipation.

The utility model also provides an inverter welding machine which adopts the integrated heat dissipation device to dissipate heat of the power device.

An integrated heat sink according to an embodiment of a first aspect of the present invention includes: a heat sink body; a first circuit element module disposed on the heat sink body; a second circuit element module including a plurality of fast recovery diodes, the second circuit element module being disposed on the heat sink body, the plurality of fast recovery diodes being connected to the heat sink body, the second circuit element module being of a different kind from the first circuit element module, and the second circuit element module being insulated from the first circuit element module.

The integrated heat dissipation device provided by the embodiment of the utility model at least has the following beneficial effects:

according to the integrated heat dissipation device, the first circuit element module and the second circuit element module which are different in type are arranged on the heat dissipation device body, the first circuit element module and the second circuit element module can be insulated to avoid electrification of the heat dissipation device, so that different types of power devices are assembled on the same heat dissipation device to achieve integral heat dissipation of the power devices, heat dissipation is more uniform, the heat dissipation device body can be arranged in an independent air duct, the fan can exhaust air to completely blow the heat dissipation device body, and the heat dissipation efficiency of the exhaust air is improved.

According to some embodiments of the utility model, the first circuit element module comprises an IGBT module and/or a rectifier module, which are disposed on the heat sink body.

According to some embodiments of the utility model, the second circuit element module is disposed on a side of the heat sink body, and the IGBT module is disposed on a side of the heat sink body facing away from the second circuit element module.

According to some embodiments of the utility model, the radiator further comprises a ventilation housing provided with an air duct, the radiator body being located in the air duct.

According to some embodiments of the utility model, the heat sink further comprises a ventilation housing, wherein the ventilation housing is arranged in the housing, and the ventilation housing is arranged in the housing.

According to some embodiments of the utility model, a plurality of channels are arranged in the heat sink body and penetrate through two ends of the heat sink body, and one end of each channel is opposite to the air blowing assembly.

According to some embodiments of the utility model, a main transformer and/or a reactor is further arranged in the ventilation housing, the main transformer and/or the reactor being located at an end of the channel facing away from the blowing assembly.

According to some embodiments of the utility model, a wind shielding assembly is disposed between the side of the radiator body and the ventilation housing.

According to a second aspect embodiment of the utility model, an inverter welding machine comprises the integrated heat dissipation device disclosed in any one of the above embodiments.

The inverter welding machine according to the embodiment of the utility model at least has the following beneficial effects:

according to the inverter welding machine, the integrated heat dissipation device is adopted, the heat radiator can be arranged in the completely independent blowing air channel for sufficient heat dissipation, the heat dissipation efficiency of the welding machine is high, and the independent blowing air channel is adopted for heat dissipation, so that dust can be isolated from entering a control system of the welding machine, and the internal structure of the welding machine has a good dustproof effect.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of an integrated heat dissipation device according to an embodiment of the present invention;

FIG. 2 is an exploded view of one embodiment of the integrated heat dissipation device of the present invention;

FIG. 3 is a front view of one embodiment of the integrated heat sink of the present invention;

FIG. 4 is a cross-sectional view of a heat sink body according to an embodiment of the present invention.

Reference numerals:

the radiator body 100, the first circuit element module 110, the IGBT module 111, the rectifier module 112, the second circuit element module 120, the ventilation housing 200, the wind shielding assembly 210, the blower assembly 300, the main transformer 400, and the reactor 500.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the positional or orientational descriptions referred to, for example, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the positional or orientational relationships shown in the drawings and are for convenience of description and simplicity of description only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, the integrated heat dissipation device according to the embodiment of the utility model includes a heat sink body 100, a first circuit element module 110, and a second circuit element module 120, wherein the first circuit element module 110 and the second circuit element module 120 are both disposed on the heat sink body 100, the second circuit element module 120 includes a plurality of fast recovery diodes, the plurality of fast recovery diodes are connected to the heat sink body 100, the second circuit element module 120 is different from the first circuit element module 110 in type, and the second circuit element module 120 is insulated from the first circuit element module 110.

Specifically, in some embodiments of the present invention, as shown in fig. 1-3, the first circuit element module 110 includes an IGBT module 111 and/or a rectifier module 112, and the IGBT module 111 and/or the rectifier module 112 are disposed on the heat sink body 100.

Specifically, in some embodiments of the present invention, as shown in fig. 1 to 3, the second circuit element module 120 is disposed on a side of the heat sink body 100, and the IGBT module 111 is disposed on a side of the heat sink body 100 facing away from the second circuit element module 120.

Wherein the second circuit element module 120 is a fast recovery diode module, the heat sink body 100 can be a fin-type heat sink or an integral die-cast heat sink, the first circuit element module 110 can be an IGBT module 111 and/or a rectifier module 112, the first circuit element module 110 is exemplified as the IGBT module 111, the fast recovery diode module is assembled on one side of the heat sink body 100, the IGBT module 111 is assembled on the other side of the heat sink body 100, and in order to solve the problem of the heat sink being charged, the fast recovery diode module and the IGBT module 111 need to be insulated from each other, different insulation measures can be respectively adopted for the fast recovery diode module and the IGBT module 111, and in an example of realizing insulation for the fast recovery diode module, an internal insulation fast recovery diode can be adopted, or a ceramic insulation sheet is provided between the fast recovery diode and the heat sink body 100, the fast recovery diode module is assembled on the radiator body 100 in an insulated connection mode, so that the fast recovery diode module and other different power devices such as the IGBT module 111 and the rectifier module 112 can be assembled on the same radiator, the integrated heat dissipation device is formed to simultaneously dissipate heat of different power devices, and heat dissipation is more uniform.

In some embodiments of the present invention, as shown in fig. 1 to 3, the present invention further includes a ventilation housing 200, the ventilation housing 200 is provided with an air duct, and the heat sink body 100 is located in the air duct.

In some embodiments of the present invention, as shown in fig. 1 to 3, a blower assembly 300 is further included, the blower assembly 300 is disposed in the ventilation housing 200, and the blower assembly 300 is disposed opposite to the heat sink body 100.

The ventilation casing 200 may be a casing formed by a plurality of metal plates or partition plates, the casing is hollow to form an independent air duct, the blowing assembly 300 is located at one end of the air duct, the heat sink body 100 is arranged in the air duct, the blowing assembly 300 is opposite to the heat sink body 100, and continuous blowing to the heat sink body 100 through the blowing assembly 300 takes away heat on the heat sink body 100, so that integrated heat dissipation of various power devices assembled on the heat sink body 100 is realized at high speed. The blowing assembly 300 may be a blower or a combination of a motor and a fan, and specifically, for example, the blower is taken as an example for description, the blower has the same cross section as the radiator body 100 and seals the air duct between the blower and the radiator body 100 so that the cooling air blown out by the blower can all blow into the radiator body 100, thereby improving the utilization rate of the cooling air, and meanwhile, the blower located in the air duct can be kept at a certain distance from the radiator body 100, so that the cooling air blown out by the blower can more uniformly pass through the radiator, and further uniform heat dissipation of the radiator body 100 is realized.

In some embodiments of the present invention, as shown in fig. 2 to 4, a plurality of channels are disposed in the heat sink body 100 and extend through two ends of the heat sink body 100, and one end of the channels is opposite to the blowing assembly 300. The radiator body 100 is an insertion fin type radiator and the blowing component 300 is a fan, for example, the radiator body 100 can be provided with a plurality of cooling fins to form the insertion fin type radiator, the plurality of cooling fins are arranged on the insertion fin type radiator at intervals to form a plurality of channels penetrating through two ends of the insertion fin type radiator, the fan is right opposite to the channels in the insertion fin type radiator, the fan is started to blow the insertion fin type radiator, cooling air blown out by the fan can contact with the plurality of cooling fins to take away heat when the cooling air penetrates through the insertion fin type radiator, the contact area of the cooling air and the insertion fin type radiator is large, the effective heat dissipation area of the insertion fin type radiator is increased, and therefore the heat dissipation efficiency of the insertion fin type radiator can be effectively improved.

In some embodiments of the present invention, as shown in fig. 1-3, a main transformer 400 and a reactor 500 are further disposed in the ventilation housing 200, and the main transformer 400 and the reactor 500 are located at an end of the passage facing away from the blowing assembly 300. Specifically, the blowing assembly 300 is located at one end of the heat sink body 100, the main transformer 400 and the reactor 500 are located at the other end of the heat sink body 100, the blowing assembly 300 blows air to the heat sink body 100, and after cooling air blown out by the blowing assembly 300 flows through a channel in the heat sink body 100, the main transformer 400 and the reactor 500 located in the same air duct can be further cooled, so that the heat dissipation and air exhaust utilization rate of the blowing assembly 300 is improved. Therefore, by using the integrated heat dissipation device, the concentrated heat dissipation can be performed on the power devices such as the fast recovery diode module with large heat generation quantity, the IGBT module 111 and the like, and the heat dissipation of the power devices with relatively less heat generation such as the main transformer 400, the reactor 500 and the like can also be considered, so that the overall layout is compact, the utilization rate of the air exhaust of the fan is high, and the space utilization effect is favorably improved.

In some embodiments of the present invention, as shown in fig. 1 to 3, a wind shielding assembly 210 is disposed between the side of the radiator body 100 and the ventilation housing 200. The wind shielding assembly 210 may be a wind shielding plate or a sealing strip, and the wind shielding plate is used as an example to describe, and the wind shielding plate is disposed between the side surface of the heat sink body 100 and the ventilation housing 200 to seal an air duct therein, so as to prevent cooling air blown by the blowing assembly 300 from flowing through the heat sink body 100, and then the main transformer 400 and the reactor 500 become hot air and then flow back to one end of the blowing assembly 300 through the air duct, thereby preventing the hot air from flowing back to weaken the air-cooling heat dissipation effect.

The inverter welding machine according to the second aspect of the utility model comprises the integrated heat dissipation device according to any one of the above embodiments. And the integral heat dissipation device is favorable for improving the heat dissipation efficiency of the inverter welding machine. Specifically, can be with the internal partitioning of contravariant welding machine for sealed upper and lower two-layer of keeping apart, upper strata installation controlling means, the lower floor is the heat dissipation wind channel of sealed isolation, and integral type heat abstractor is arranged in the heat dissipation wind channel to make integral type heat abstractor and contravariant welding machine's controlling means can be isolated each other in order to avoid the dust to get into the controlling means of contravariant welding machine, make the contravariant welding machine inner structure who adopts integral type heat abstractor have good dustproof effect.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. Integral type heat abstractor, its characterized in that includes:

a heat sink body (100);

a first circuit element module (110), the first circuit element module (110) being disposed on the heat sink body (100);

a second circuit element module (120) including a plurality of fast recovery diodes, the second circuit element module (120) being disposed on the heat sink body (100), the plurality of fast recovery diodes being connected to the heat sink body (100), the second circuit element module (120) being of a different kind from the first circuit element module (110), and the second circuit element module (120) being insulated from the first circuit element module (110).

2. The integrated heat sink of claim 1, wherein: the first circuit element module (110) includes an IGBT module (111) and/or a rectifying module (112), and the IGBT module (111) and/or the rectifying module (112) is provided on the heat sink body (100).

3. The integrated heat sink of claim 2, wherein: the second circuit element module (120) is disposed on a side of the heat sink body (100), and the IGBT module (111) is disposed on a side of the heat sink body (100) facing away from the second circuit element module (120).

4. The integrated heat sink of any of claims 1-3, wherein: the radiator is characterized by further comprising a ventilation shell (200), wherein an air duct is arranged on the ventilation shell (200), and the radiator body (100) is located in the air duct.

5. The integrated heat sink of claim 4, wherein: the radiator further comprises a blowing assembly (300), wherein the blowing assembly (300) is arranged in the ventilation shell (200), and the blowing assembly (300) is arranged opposite to the radiator body (100).

6. The integrated heat sink of claim 5, wherein: a plurality of channels penetrating through two ends of the radiator body (100) are arranged in the radiator body (100), and one end of each channel is opposite to the air blowing component (300).

7. The integrated heat sink of claim 6, wherein: the ventilation shell (200) is also provided with a main transformer (400) and/or a reactor (500), and the main transformer (400) and/or the reactor (500) is positioned at one end of the channel, which is far away from the blowing assembly (300).

8. The integrated heat sink of claim 7, wherein: a wind shielding assembly (210) is arranged between the side surface of the radiator body (100) and the ventilation shell (200).

9. An inverter welding machine is characterized in that: comprising an integrated heat sink according to any of claims 1 to 8.

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