CN218904057U - Heavy current IGBT drive protection device of medium frequency welding machine - Google Patents
Heavy current IGBT drive protection device of medium frequency welding machine Download PDFInfo
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- CN218904057U CN218904057U CN202221879085.1U CN202221879085U CN218904057U CN 218904057 U CN218904057 U CN 218904057U CN 202221879085 U CN202221879085 U CN 202221879085U CN 218904057 U CN218904057 U CN 218904057U
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Abstract
The utility model relates to a high-current IGBT driving protection device of an intermediate frequency welding machine, which comprises a machine body and a control mechanism for protecting a power supply of the machine body, wherein a connecting mechanism is arranged between the machine body and the control mechanism, a fixing mechanism is arranged at the joint of the control mechanism and the connecting mechanism, and a supporting mechanism is arranged between the machine body, the control mechanism is fixed on the machine body through the cooperation of the connecting mechanism and the supporting mechanism when the fixing mechanism is used, the control mechanism can be fixedly arranged on the machine body through the cooperation of the fixing mechanism and the connecting mechanism, then the supporting mechanism is matched and supported between the machine body and the control mechanism, and the hollow part of the joint is filled, so that the shock resistance of the connecting mechanism and the control mechanism is enhanced, and the stability of the control mechanism is improved.
Description
Technical Field
The utility model relates to the field of power supplies of intermediate frequency welding machines, in particular to a high-current IGBT driving protection device of an intermediate frequency welding machine.
Background
The power supply of the medium frequency welder is converted into a direct current power supply by a three-phase power frequency alternating current power supply through a rectifying circuit and a filter capacitor, then converted into a medium frequency square wave power supply through an inverter circuit, and then input into a transformer for voltage reduction, and then rectified into a direct current power supply through a high-power diode with low tube voltage drop for supplying to the welder, wherein the inverter circuit consists of an IGBT and a medium frequency transformer, and the stable operation of the IGBT is a key for improving the whole reliability.
At present, the intermediate frequency welding is to wire the protection circuit of IGBT to the side digital display control console in, cooperate the digital display control console again to carry out real-time supervision and protection, and the digital display control console is connected on the welding machine by the fixed foot that an organic whole set up, at the in-process of actual installation, the fixed foot is the sheet metal of buckling shaping, appears cavity between digital display control console and the welding machine after the installation, receive the impact and easily lead to fixed foot deformation when digital display control console, cause the junction to damage to digital display control console cavity sets up, stability is relatively poor.
Disclosure of Invention
Based on the expression, the utility model provides a high-current IGBT driving protection device for an intermediate frequency welding machine, which aims to solve the problems that after installation, the digital display control console and the welding machine are hollow, the fixed feet are easy to deform due to impact, the joint is damaged, the digital display control console is hollow, and the stability is poor.
The technical scheme for solving the technical problems is as follows:
a high-current IGBT driving protection device of an intermediate frequency welding machine comprises a machine body and a control mechanism for protecting a power supply of the machine body:
the connecting mechanism is arranged between the machine body and the control mechanism;
the fixing mechanism is arranged at the joint of the control mechanism and the connecting mechanism;
the support mechanism is arranged between the machine body, the control mechanism and the connecting mechanism, and when the fixing mechanism is used, the fixing mechanism is matched with the support mechanism through the connecting mechanism, so that the control mechanism is fixed on the machine body.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the fixing mechanism comprises a fixing component for fixing the connecting mechanism and a reinforcing component arranged between the fixing component and the control mechanism.
Further, the fixing assembly comprises a base plate arranged between the connecting mechanism and the control mechanism and a first fixing bolt which sequentially penetrates through the base plate and the connecting mechanism and is arranged on the machine body.
Further, the reinforcement assembly comprises a connecting pin arranged between the base plate and the control mechanism and a second fixing bolt penetrating through the connecting pin and arranged on the control mechanism.
Further, the supporting mechanism comprises supporting plates symmetrically arranged between the machine body and the control mechanism and middle supporting plates arranged between the supporting plates.
Furthermore, the opposite sides of the supporting plate and the middle supporting plate are designed to be inclined planes.
Further, one end of the supporting plate far away from the middle supporting plate extends to a position between the machine body and the connecting mechanism.
Further, a heat insulation plate is embedded on one side of the middle supporting plate, which is opposite to the control mechanism.
Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:
according to the utility model, the connecting mechanism, the fixing mechanism and the supporting mechanism are arranged, the control mechanism can be reinforced and installed on the machine body through the cooperation of the fixing mechanism and the connecting mechanism, and then the control mechanism is matched with the supporting mechanism and supported between the machine body and the control mechanism, so that the hollow part at the connecting position is filled, the shock resistance of the connecting mechanism and the control mechanism is enhanced, and the stability of the control mechanism is improved.
Drawings
Fig. 1 is a schematic structural diagram of a high-current IGBT drive protection device for an intermediate frequency welder according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram illustrating connection between a control mechanism and a connection mechanism according to an embodiment of the present utility model;
FIG. 3 is a schematic view showing the installation states of the fixing mechanism and the supporting mechanism in the embodiment of the utility model;
FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;
in the drawings, the list of components represented by the various numbers is as follows:
1. a body; 2. a control mechanism; 3. a connecting mechanism; 4. a fixing mechanism; 41. a fixing assembly; 411. a backing plate; 412. a first fixing bolt; 42. a reinforcement assembly; 421. a connecting pin; 422. a second fixing bolt; 5. a support mechanism; 51. a support plate; 52. middle supporting plate.
Detailed Description
In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Examples of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, 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 application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be understood that spatially relative terms, such as "under", "below", "beneath", "under", "above", "over" and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "below" and "under" may include both an upper and a lower orientation. Furthermore, the device may also include an additional orientation (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.
Referring to fig. 1-4, in this embodiment, a high-current IGBT driving protection device for an intermediate frequency welder includes a machine body 1 and a control mechanism 2 for protecting a power supply of the machine body 1:
a connection mechanism 3 provided between the body 1 and the control mechanism 2;
the fixing mechanism 4 is arranged at the joint of the control mechanism 2 and the connecting mechanism 3, is connected with the machine body 1 through the cooperation of the fixing mechanism 4 and the connecting mechanism 3, and is connected with the control mechanism 2 at the same time, so that the control mechanism 2 is reinforced and installed on the machine body 1;
and a supporting mechanism 5 provided between the body 1, the control mechanism 2 and the connecting mechanism 3, and inserted between the body 1 and the control mechanism 2 through the supporting mechanism 5 after the fixing mechanism 4 is mounted, so as to support and reinforce the control mechanism 2.
Based on the prior art, in the embodiment, a fixing mechanism 4 and a supporting mechanism 5 are added on the combination of the control mechanism 2 and the connecting mechanism 3 in the prior art, and under the condition of bending a thin plate at the position of the connecting mechanism 3, the fixing mechanism 4 is arranged between the connecting mechanism 3 and the control mechanism 2, and is matched with the connecting mechanism 3 to be connected with the machine body 1 and simultaneously connected with the control mechanism 2 for double fixing;
then the supporting mechanism 5 is inserted between the machine body 1 and the control mechanism 2, and meanwhile, the supporting mechanism 5 is inserted between the machine body 1 and the connecting mechanism 3 to fill the generated hollow part, so that the control mechanism 2 is supported, the impact resistance of the connecting mechanism and the control mechanism is enhanced, and the stability of the control mechanism is improved.
Referring to fig. 1 to 4, the fixing mechanism 4 includes a fixing assembly 41 for fixing the connection mechanism 3 and a reinforcing assembly 42 disposed between the fixing assembly 41 and the control mechanism 2, the fixing assembly 41 includes a pad 411 disposed between the connection mechanism 3 and the control mechanism 2 and a first fixing bolt 412 sequentially passing through the pad 411 and the connection mechanism 3 and disposed on the machine body 1, and the reinforcing assembly 42 includes a connection pin 421 disposed between the pad 411 and the control mechanism 2 and a second fixing bolt 422 disposed on the control mechanism 2 passing through the connection pin 421.
In the embodiment, the fixing mechanism 4 is inserted between the connecting mechanism 3 and the control mechanism 2 through the pad 411, and then fixed through the first fixing bolt 412, so that a thicker connecting piece is formed at one end of the pad 411, which is connected with the connecting mechanism 3 and the machine body 1, and meanwhile, the pad 411 protects the bending part of the connecting mechanism 3, and the shock resistance of the connecting mechanism 3 is improved;
then, the control mechanism 2 is further connected with the machine body 1 through the matching of the connecting frame 421 and the second fixing bolt 422, so that the stability of the control mechanism 2 is improved.
Referring to fig. 1-4, the supporting mechanism 5 includes a supporting plate 51 symmetrically disposed between the machine body 1 and the control mechanism 2, and a middle supporting plate 52 disposed between the supporting plate 51, wherein opposite sides of the supporting plate 51 and the middle supporting plate 52 are designed as inclined planes, and one end of the supporting plate 51 away from the middle supporting plate 52 extends between the machine body 1 and the connecting mechanism 3.
The supporting mechanism 5 is arranged between the machine body 1, the control mechanism 2 and the connecting mechanism 3, the supporting plate 51 is inserted between the connecting mechanism 3 and the machine body 1, the bending part of the connecting mechanism 3 is protected by the matched backing plate 411, and the supporting plate 51 is limited by the matched middle supporting plate 52, so that the hollow between the machine body 1 and the control mechanism 2 is filled by the supporting plate 51 and the middle supporting plate 52.
Further, since the supporting plate 51 is disposed near the connecting mechanism 3, most of the middle between the machine body 1 and the control mechanism 2 is filled with the middle supporting plate 52, in order to reduce heat in the machine body 1 being conducted to the control mechanism 2 through the middle supporting plate 52, a thermal insulation plate is embedded at one side of the middle supporting plate 52 opposite to the control mechanism 2, heat insulation is performed, and influence of excessive temperature on the inside of the control mechanism 2 is avoided.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (8)
1. The large-current IGBT driving protection device of the medium-frequency welding machine comprises a machine body (1) and a control mechanism (2) for protecting a power supply of the machine body (1), and is characterized in that,
a connection mechanism (3) provided between the body (1) and the control mechanism (2);
the fixing mechanism (4) is arranged at the joint of the control mechanism (2) and the connecting mechanism (3);
the support mechanism (5) is arranged between the machine body (1) and the control mechanism (2) and the connecting mechanism (3), and when the fixing mechanism (4) is used, the fixing mechanism is matched with the support mechanism (5) through the connecting mechanism (3) to fix the control mechanism (2) on the machine body (1).
2. The high-current IGBT drive protection device of an intermediate frequency welder according to claim 1, characterized in that the fixing mechanism (4) comprises a fixing assembly (41) for fixing the connecting mechanism (3) and a reinforcement assembly (42) arranged between the fixing assembly (41) and the control mechanism (2).
3. The high-current IGBT drive protection device of an intermediate frequency welder according to claim 2, wherein the fixing assembly (41) includes a pad (411) disposed between the connection mechanism (3) and the control mechanism (2) and a first fixing bolt (412) disposed on the machine body (1) sequentially passing through the pad (411) and the connection mechanism (3).
4. A high current IGBT drive protection device for an intermediate frequency welder according to claim 3, characterized in that the reinforcement assembly (42) comprises a connection foot (421) arranged between the backing plate (411) and the control mechanism (2) and a second fixing bolt (422) arranged on the control mechanism (2) through the connection foot (421).
5. The high-current IGBT drive protection device of an intermediate frequency welder according to claim 1, wherein the support mechanism (5) includes support plates (51) symmetrically disposed between the machine body (1) and the control mechanism (2) and intermediate support plates (52) disposed between the support plates (51).
6. The high-current IGBT driving protection device of the medium-frequency welding machine according to claim 5, wherein one side of the supporting plate (51) opposite to the middle supporting plate (52) is designed as an inclined plane.
7. The high-current IGBT driving protection device of the medium-frequency welding machine according to claim 6, wherein one end of the supporting plate (51) far away from the middle supporting plate (52) extends between the machine body (1) and the connecting mechanism (3).
8. The high-current IGBT driving protection device of the medium-frequency welder according to claim 7, wherein a heat insulation plate is embedded on one side of the middle supporting plate (52) opposite to the control mechanism (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221879085.1U CN218904057U (en) | 2022-07-18 | 2022-07-18 | Heavy current IGBT drive protection device of medium frequency welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221879085.1U CN218904057U (en) | 2022-07-18 | 2022-07-18 | Heavy current IGBT drive protection device of medium frequency welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218904057U true CN218904057U (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221879085.1U Active CN218904057U (en) | 2022-07-18 | 2022-07-18 | Heavy current IGBT drive protection device of medium frequency welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218904057U (en) |
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2022
- 2022-07-18 CN CN202221879085.1U patent/CN218904057U/en active Active
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