CN220604688U - A single tube packaging device - Google Patents

Abstract

The utility model relates to the technical field of electrical equipment, in particular to a single-tube packaging device, which includes: a shell, a substrate and an IGBT single tube; six IGBT single tubes are fixed on the substrate; the shell and the substrate are fixedly connected, and the IGBT single tubes are arranged Inside the casing; the terminal of the IGBT single tube is led out from the top of the casing; the casing is fixed on the radiator of the frequency converter, and the terminal of the IGBT single tube is connected to the drive board. The single-tube packaging device provided by this utility model allows six single-tubes to be easily assembled into the housing to become an independent component. This component is fixed on the inverter radiator with a connector, and then the drive board is connected to this component to achieve ""Three-phase full-bridge inverter", compared with the traditional method of using 6 IGBT single tubes, there is no need to separately position and connect the IGBT single tubes on the inverter radiator, which greatly improves the installation efficiency; compared with the traditional Compared with using IGBT modules, production costs are significantly reduced; this single-tube packaging device can take into account the advantages of high installation efficiency and low cost.

Description

A single tube packaging device

Technical field

The utility model relates to the technical field of electrical equipment, in particular to a single-tube packaging device.

Background technique

The "three-phase full-bridge inverter" in low-power inverter products is generally implemented using 6 IGBT single tubes or IGBT package modules. Using 6 IGBT single tubes has the advantage of lower cost, but each IGBT single tube needs to be positioned, installed and connected separately, and its installation efficiency is low. IGBT package modules are purchased directly from manufacturers and have the advantage of high installation efficiency. However, the use cost of IGBT package modules is relatively high. Therefore, there is a lack of "three-phase full-bridge inverter" technology with low cost and high installed efficiency in the existing technology.

Utility model content

The utility model provides a single-tube packaging device in order to solve the technical problem that the "three-phase full-bridge inverter" device in the prior art cannot take into account both high installation efficiency and low cost.

The technical scheme of this utility model to solve the above technical problems is as follows:

A single-tube packaging device, including: a shell, a substrate and an IGBT single tube; six of the IGBT single tubes are fixed on the substrate; the shell is fixedly connected to the substrate, and the IGBT single tube is arranged on Inside the housing; the terminal of the IGBT single tube is drawn from the top of the housing; the housing is used to be fixed on the radiator of the frequency converter, and the terminal of the IGBT single tube is used to Driver board connection.

Further: the IGBT single tube is fixed on the substrate through double-sided tape.

Further: the housing is a plastic housing, and the base plate is an aluminum plate.

Further: a plurality of threaded mounting holes are symmetrically provided on the outside of the housing; the threaded mounting holes are fixedly connected to the radiator of the frequency converter through bolts.

Further: the six IGBT single tubes are arranged in two rows, with three in each row; the six IGBT single tubes are arranged symmetrically.

Further: the upper end of the housing is provided with the same number of lead-out parts as the IGBT single-tube terminals; the upper and lower ends of the lead-out parts are connected, and the terminals of the IGBT single-tube are connected from the lead-out parts one by one. Lead outward.

The single-tube packaging device provided by the utility model has at least the following beneficial effects or advantages:

The single-tube packaging device provided by the utility model is provided with components such as a shell, a substrate, and an IGBT single tube; six IGBT single tubes are fixed on the substrate; the shell and the substrate are fixedly connected, and the IGBT single tube is arranged inside the shell; The terminals of the IGBT single tube are led out from the top of the housing; the housing is used to be fixed on the radiator of the frequency converter, and the terminals of the IGBT single tube are used to connect to the drive board. The single-tube packaging device provided by this utility model allows six single-tubes to be easily assembled into the housing to become an independent component. This component is fixed on the inverter radiator with a connector, and then the drive board is connected to this component to achieve " "Three-phase full-bridge inverter", compared with the traditional method of using 6 IGBT single tubes, there is no need to separately position and connect the IGBT single tubes on the inverter radiator, which greatly improves the installation efficiency; compared with the traditional Compared with using IGBT modules, the production cost is greatly reduced; therefore, the single-tube packaging device provided by the present utility model can take into account the advantages of high installation efficiency and low cost.

Description of the drawings

Figure 1 is a schematic diagram of the exploded structure of a single-tube packaging device provided by an embodiment of the present utility model;

Figure 2 is a schematic diagram of the external structure of the single-tube packaging device provided by the embodiment of the present invention;

Figure 3 is a schematic diagram of the application status of the single tube packaging device provided by the embodiment of the present invention.

In the drawings, the parts represented by each number are listed as follows:

1-casing, 2-IGBT single tube, 3-double-sided tape, 4-substrate, 5-single tube packaging device, 6-radiator of inverter, 7-driver board.

Detailed ways

The utility model provides a single-tube packaging device in order to solve the technical problem that the "three-phase full-bridge inverter" device in the prior art cannot take into account both high installation efficiency and low cost.

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

The embodiment of the present invention provides a single-tube packaging device 5, as shown in Figures 1 to 3, which mainly includes: a housing 1, a substrate 4 and an IGBT single tube 2. Among them: six IGBT single tubes 2 are provided, and the six IGBT single tubes 2 are the core components that constitute the "three-phase full-bridge inverter". Six IGBT single tubes 2 are fixed on the substrate 4; in this embodiment, the six IGBT single tubes 2 are arranged in two rows, three in each row, and the six IGBT single tubes 2 are arranged symmetrically; the fixing method of the IGBT single tubes 2 But it can be bonded, removably fixed connections, etc. The housing 1 is fixedly connected to the base plate 4, and the fixed connection method usually adopts a connecting piece (such as a screw) to detachably fix the connection. The IGBT single tube 2 is arranged inside the housing 1, and the housing 1 mainly plays the role of protection and connection. The terminals of the IGBT single tube 2 are led out from the top of the housing 1; the housing 1 is used to be fixed on the radiator 6 of the frequency converter, and the terminals of the IGBT single tube 2 are used to connect to the drive board 7.

In a preferred solution provided by the embodiment of the present invention, the IGBT single tube 2 is fixed on the substrate 4 through double-sided tape 3 . Double-sided tape 3 has the advantages of low cost, no need for opening holes during connection, and reliable connection. Double-sided tape 3 is preferably thermally conductive and insulating double-sided tape 3 .

The housing 1 is a plastic housing 1, which has the advantages of low cost and high insulation; the substrate 4 is an aluminum plate, which has high thermal conductivity and facilitates heat dissipation inside the entire single-tube packaging device.

A plurality of threaded mounting holes are symmetrically provided on the outside of the housing 1. For example, in this embodiment, four threaded mounting holes are provided, and the four threaded mounting holes are respectively provided at the four corners of the rectangular housing 1; the threaded mounting holes are connected to the frequency converter through bolts. The radiator 6 of the device is fixedly connected.

The upper end of the housing 1 is provided with the same number of lead-out parts as the terminals of the IGBT single tube 2; the upper and lower ends of the lead-out parts are connected, and the terminals of the IGBT single tube 2 are led out from the lead-out parts in one-to-one correspondence. The function of the lead-out part is to lead out the terminal, and to stabilize and straighten the terminal.

As shown in Figures 1-3, the single-tube packaging device 5 provided by the embodiment of the present invention has at least the following beneficial effects or advantages:

The single-tube packaging device provided by the utility model is provided with components such as a shell 1, a substrate 4, and an IGBT single tube 2; six IGBT single tubes 2 are fixed on the substrate 4; the shell 1 is fixedly connected to the substrate 4, and the IGBT single tubes 2 is set inside the housing 1; the terminal of the IGBT single tube 2 is led out from the top of the housing 1; the housing 1 is used to be fixed on the radiator 6 of the frequency converter, and the terminal of the IGBT single tube 2 is used to drive the Board 7 is connected. The single-tube packaging device provided by this utility model allows six IGBT single tubes to be easily assembled into the housing 1 to become an independent component without the use of installation tools. This component is fixed on the inverter radiator with a connector, and then the driver is Board 7 is connected to this component to achieve "three-phase full-bridge inverter". Compared with the traditional method of using 6 IGBT single tubes 2, there is no need to separately position and connect the IGBT single tubes 2 on the inverter radiator. , greatly improving the installation efficiency; compared with the traditional use of IGBT modules, the production cost is greatly reduced; therefore, the single-tube packaging device provided by the utility model can take into account the advantages of high installation efficiency and low cost.

In the description of the present utility model, it should be noted that the terms and nouns in each embodiment, such as "upper", "lower", "front", "back", "left", "right" and other words indicating the orientation, It is only to simplify the description of the positional relationships based on the drawings in the specification. It does not mean that the components and devices referred to must be operated in accordance with the specific orientations and limited operations, methods, and structures in the specification. Such directional terms do not constitute an infringement of the present utility model. limit.

In the description of the present utility model, it should be noted that, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a removable connection. Disassembly connection; it can be directly connected or indirectly connected through an intermediary. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood based on specific circumstances.

The above descriptions are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. Within the protection scope of utility model.

Claims (4)

1. A single tube encapsulation device, characterized in that: comprising the following steps: a housing (1), a substrate (4) and an IGBT single tube (2); six IGBT single tubes (2) are fixed on the substrate (4); the shell (1) is fixedly connected with the substrate (4), and the IGBT single tube (2) is arranged in the shell (1); the wiring end of the IGBT single tube (2) is led out from the top of the shell (1); the shell (1) is used for being fixed on a radiator (6) of the frequency converter, and the wiring end of the IGBT single tube (2) is used for being connected with the driving plate (7);

six IGBT single tubes (2) are arranged in two rows, and three IGBT single tubes are arranged in each row; six IGBT single tubes (2) are symmetrically arranged;

the upper end of the shell (1) is provided with extraction parts with the same number as the terminals of the IGBT single tube (2); the upper end and the lower end of the extraction part are communicated, and the wiring terminals of the IGBT are extracted outwards from the extraction part in a one-to-one correspondence manner.

2. The single tube packaging apparatus of claim 1, wherein: the IGBT single tube (2) is fixed on the substrate (4) through a double faced adhesive tape (3).

3. The single tube packaging apparatus of claim 1, wherein: the shell (1) is a plastic shell, and the substrate (4) is an aluminum plate.

4. The single tube packaging apparatus of claim 1, wherein: a plurality of thread mounting holes are symmetrically formed in the outer side of the shell (1); the threaded mounting holes are fixedly connected with a radiator (6) of the frequency converter through bolts.