CN210817899U - Novel electric welding machine - Google Patents
Novel electric welding machine Download PDFInfo
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- CN210817899U CN210817899U CN201921635926.2U CN201921635926U CN210817899U CN 210817899 U CN210817899 U CN 210817899U CN 201921635926 U CN201921635926 U CN 201921635926U CN 210817899 U CN210817899 U CN 210817899U
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Abstract
The utility model provides a novel electric welding, include: a housing having heat conductive properties; the circuit board is arranged in the shell, a low-voltage element side and a high-voltage element side are arranged on the circuit board, at least one low-voltage element packaged by a heat-conducting insulating shell is arranged on the low-voltage element side, at least one high-voltage element is arranged on the high-voltage element side, the heat-conducting insulating shell is in contact fit with the inner wall surface of the shell, and the high-voltage element is fixed on a radiating fin on the circuit board. The low-voltage element is packaged by the heat-conducting insulating shell, safety problems such as electric leakage and the like can be avoided, the low-voltage element is fixed on the aluminum profile shell, the heat dissipation effect is better, the aluminum profile heat dissipation sheet does not need to be used in comparison with the traditional design of the aluminum profile heat dissipation sheet arranged on the circuit board, the loss of the aluminum profile is reduced, meanwhile, the heat of the low-voltage element is dissipated through the aluminum profile shell, the high-voltage element is also facilitated to dissipate heat through the aluminum profile heat dissipation sheet.
Description
Technical Field
The utility model relates to an encapsulation structure of components and parts in the electric welding machine, concretely relates to novel electric welding machine.
Background
The packaging structure of the existing electric welding machine is as follows:
a housing;
the circuit board is arranged in the shell, the aluminum profile cooling fins, the low-voltage element and the high-voltage element are arranged on the circuit board, pins of the low-voltage element and the high-voltage element are connected with the circuit board, and the low-voltage element and the high-voltage element are in surface contact with the aluminum profile, so that heat dissipation of the low-voltage element and the high-voltage element is achieved when the heat dissipation device is used. The packaging structure has the disadvantages that the low-voltage element and the high-voltage element need relatively independent aluminum profile cooling fins, the consumption of aluminum profiles is increased, and meanwhile, the overall cooling effect is influenced due to the limited space in the shell.
Disclosure of Invention
The utility model discloses to prior art not enough, provide a novel electric welding, the low pressure component, through the encapsulation of heat conduction insulating casing, security problems such as electric leakage can not have, fix again on the aluminium alloy casing, the radiating effect is better, and for the design of traditional aluminium alloy fin of installing on the circuit board, need not use this aluminium alloy fin, the loss of aluminium alloy has been reduced, simultaneously, because of its heat passes through the aluminium alloy casing heat dissipation, also help high-pressure component to pass through the aluminium alloy fin heat dissipation, the radiating effect is improved.
In order to achieve the above object, the utility model provides a following technical scheme: novel electric welding includes:
a housing having heat conductive properties;
the circuit board is arranged in the shell, a low-voltage element side and a high-voltage element side are arranged on the circuit board, at least one low-voltage element packaged by a heat-conducting insulating shell is arranged on the low-voltage element side, at least one high-voltage element is arranged on the high-voltage element side, the heat-conducting insulating shell is in contact fit with the inner wall surface of the shell, and the high-voltage element is fixed on a radiating fin on the circuit board.
In addition to the above, the heat sink is preferably an aluminum heat sink.
In addition to the above, preferably, the housing is an aluminum housing.
In addition to the above, the low-voltage element is preferably a fast recovery diode.
In addition to the above, preferably, the high-voltage element is an IGBT.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the low-voltage element is packaged by the heat-conducting insulating shell, so that the safety problems of electric leakage and the like can be avoided.
2. The low-voltage element is packaged by the heat-conducting insulating shell and then fixed on the aluminum profile shell, the heat dissipation effect is better, compared with the traditional design of the aluminum profile heat dissipation sheet arranged on the circuit board, the aluminum profile heat dissipation sheet is not needed, the loss of an aluminum profile is reduced, meanwhile, the heat of the low-voltage element is dissipated through the aluminum profile shell, the high-voltage element is also facilitated to dissipate heat through the aluminum profile heat dissipation sheet, and the heat dissipation effect is improved.
3. The design of aluminium alloy fin, heat dispersion is good.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the novel welding machine includes:
a case 1 having a heat conductive property;
and the circuit board 6 is arranged in the shell, a low-voltage element side and a high-voltage element side are arranged on the circuit board, at least one low-voltage element 2 packaged by a heat-conducting insulating shell 3 is arranged on the low-voltage element side, at least one high-voltage element 5 is arranged on the high-voltage element side, the heat-conducting insulating shell is in contact fit with the inner wall surface of the shell, and the high-voltage element is fixed on the radiating fins 4 on the circuit board.
In the scheme, because a high-voltage element such as an electronic switch (IGBT) shell is provided with high voltage, independent aluminum profile radiating fins are needed for radiating, a low-voltage element such as a fast recovery diode is packaged by a heat conduction insulating shell, only pins of the low-voltage element are electrified, the pins are fixed on a circuit board, the heat conduction insulating shell is fixed on the inner wall of an aluminum profile shell, and the low-voltage element is packaged by the heat conduction insulating shell, the safety problems such as electric leakage and the like can be avoided.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. Novel electric welding, its characterized in that includes:
a housing having heat conductive properties;
the circuit board is arranged in the shell, a low-voltage element side and a high-voltage element side are arranged on the circuit board, at least one low-voltage element packaged by a heat-conducting insulating shell is arranged on the low-voltage element side, at least one high-voltage element is arranged on the high-voltage element side, the heat-conducting insulating shell is in contact fit with the inner wall surface of the shell, and the high-voltage element is fixed on a radiating fin on the circuit board.
2. The new form of electric welding machine as claimed in claim 1 wherein the heat sink is an aluminum heat sink.
3. The new electric welder of claim 1, characterized in that the outer shell is an aluminum profile outer shell.
4. The new electric welder according to claim 1, characterized in that the low voltage element is a fast recovery diode.
5. The new electric welding machine as claimed in claim 1, wherein the high voltage element is an IGBT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921635926.2U CN210817899U (en) | 2019-09-27 | 2019-09-27 | Novel electric welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921635926.2U CN210817899U (en) | 2019-09-27 | 2019-09-27 | Novel electric welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210817899U true CN210817899U (en) | 2020-06-23 |
Family
ID=71257916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921635926.2U Active CN210817899U (en) | 2019-09-27 | 2019-09-27 | Novel electric welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210817899U (en) |
-
2019
- 2019-09-27 CN CN201921635926.2U patent/CN210817899U/en active Active
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