CN217769909U

CN217769909U - Inverter with a voltage regulator

Info

Publication number: CN217769909U
Application number: CN202221463366.9U
Authority: CN
Inventors: 刘焕兰; 尹子威; 曾建友
Original assignee: Shenzhen Hopewind Electric Co Ltd
Current assignee: Shenzhen Hopewind Electric Co Ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-11-08
Anticipated expiration: 2032-06-10

Abstract

The application provides an inverter which comprises an input module, a boosting inductor, a filter plate, a boosting plate, a busbar assembly, an inverter plate, an inductor conductive bar and an inverter side inductor; the input module, the filter plate and the boost inductor are sequentially arranged along the thickness direction of the inverter; the filter plate, the voltage boosting plate, the busbar assembly, the inverter plate, the inductance conducting bar and the inverter side inductance are sequentially arranged along the height direction of the inverter; the inverter board is electrically connected with the inverter side inductor through the inductor conducting bar, the voltage boosting board is electrically connected with the inverter board through the busbar assembly, and the input module, the filter board, the voltage boosting inductor and the voltage boosting board are electrically connected through cables. The inverter provided by the above can reduce the height size of the inverter and improve the power density of the whole machine through the reasonable layout of the components; through the connection mode of the busbar and the conductive bar, cables in the whole machine can be reduced, the wiring process of the whole machine is simplified, and the performance and maintainability of the whole machine are improved.

Description

Inverter with a voltage regulator

Technical Field

The application relates to the technical field of power electronic equipment, in particular to an inverter.

Background

In the inverter, the layout of the power devices is a core part of product development, and the rationality of the layout of the power devices can greatly affect the manufacturing process, the production cost and the customer experience of the whole inverter. The power device of the inverter mainly comprises a power plate, an inductor, a radiator and a cable or a conducting bar connected between the power devices.

As inverter power increases, the size of the power devices increases, and the electrical connections of the power devices are more complex. These can cause the layout of the power device to be difficult, and bring about the problems of power flow interleaving, complex cable wiring process, difficult maintenance and the like, which affect the performance of the product and also increase the production cost and the maintenance cost.

SUMMERY OF THE UTILITY MODEL

The application provides an inverter to solve the problems of power flow staggering, complex cable wiring process, difficult maintenance and the like caused by complex and disordered power device layout in the conventional inverter.

The application provides an inverter which comprises an input module, a boosting inductor, a filter plate, a boosting plate, a busbar assembly, an inverter plate, an inductor conductive bar and an inverter side inductor;

the input module, the filter plate and the boost inductor are sequentially arranged along the thickness direction of the inverter;

the filter plate, the voltage boosting plate, the busbar assembly, the inverter plate, the inductance conducting bar and the inverter side inductance are sequentially arranged along the height direction of the inverter;

the contravariant board with contravariant side inductance passes through the electrically conductive row electrical connection of inductance, rise the clamp plate with the contravariant board passes through female subassembly electrical connection of arranging, input module the filtering board step up the inductance and rise through cable electrical connection between the clamp plate.

The inverter provided by the above can reduce the height size of the inverter and improve the power density of the whole machine through the reasonable layout of the components; through the connection mode of the busbar and the conductive bar, cables in the whole machine can be reduced, the wiring process of the whole machine is simplified, and the performance and maintainability of the whole machine are improved.

Drawings

Fig. 1 is a schematic diagram of an inverter provided in an embodiment of the present application;

fig. 2 is a schematic view of another view of an inverter provided in an embodiment of the present application;

fig. 3 is a schematic diagram of a part of an inverter provided in an embodiment of the present application with a housing removed.

The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer and clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to fig. 3, an inverter according to an embodiment of the present application includes a housing (not shown), a dc input terminal 1, a dc switch 2, an input current sampling board 3 (i.e., a circuit board for sampling an input current), a dc switch input cable 4, a dc switch output cable 5, a filter board 6 (i.e., a circuit board for filtering a dc), a boost inductor cable 7, a boost board 8 (i.e., a circuit board for boosting a dc), a busbar assembly 9, an inverter board 10 (i.e., a circuit board for inverting a dc), an inductor conductive bar 11, an inverter-side inductor 12, a boost inductor 13, a boost-side heat sink 14, and an inverter-side heat sink 15.

The direct current input terminal 1, the direct current switch 2 and the input current sampling plate 3 are installed at the bottom of the inverter shell, and the direct current input terminal 1, the direct current switch 2 and the input current sampling plate 3 form an input module of the inverter.

As will be understood from fig. 1, the filter plate 6, the boost plate 8, the busbar assembly 9, the inverter plate 10, the conductive inductor bar 11, and the inverter-side inductor 12 are sequentially arranged along a height direction (S1 direction shown in fig. 1) of the inverter.

A cable of the direct current input terminal 1 penetrates through the input current sampling plate 3 and then is connected to the right side of the direct current switch 2 to form a direct current switch input cable 4; and after the left side of the direct current switch 2 is led out, the direct current switch is connected to the filter plate 6 from the bottom of the inverter shell through wiring to form a direct current switch output cable 5.

Boost inductor 13 installs in the left side of filter plate 6, and filter plate 6 and the clearance between the inductor 13 that steps up satisfy boost inductor 13's the space demand of being qualified for the next round of competitions.

A gap is reserved between the boosting plate 8 and the filter plate 6, and the boosting inductor cable 7 is connected to a terminal of the boosting plate 8 through a wire which is threaded out from the bottom of the filter plate 6 after passing through the boosting inductor 13.

Booster plate 8 is attached to the right side of booster-side radiator 14 (booster-side radiator 14 and booster plate 8 are arranged in this order along the thickness direction of the inverter (S2 direction shown in fig. 2), booster plate 8 is attached to booster-side radiator 14, and inverter plate 10 is attached to the right side of inverter-side radiator 15 (inverter-side radiator 15 and inverter plate 10 are arranged in this order along the thickness direction of the inverter, and inverter plate 10 is attached to inverter-side radiator 15). The inverter side inductor 12 and the boost inductor 13 can partially extend out of the shell of the inverter; the boost-side radiator 14 and the inverter-side radiator 15 may partially protrude out of the housing of the inverter or may be disposed on the housing.

The voltage boosting plate 8 is connected with the inverter plate 10 through a busbar assembly 9, and the inverter plate 10 is connected with the inverter side inductor 12 through an inductor conductive bar 11. The busbar assembly 9 is made of aluminum materials, and the inductance conducting bar 11 is made of copper materials.

In this way, the direct current switch 2 is arranged on the right side of the filter plate 6, the boosting inductor 13 is arranged on the left side of the filter plate 6 (the boosting inductor 13, the filter plate 6 and the direct current switch 2 are sequentially arranged along the thickness direction of the inverter), and the boosting inductor cable 7 is led out from the bottom of the filter plate 6, so that the height size of the inverter can be reduced, and the power density of the whole inverter is improved; by adopting the busbar assembly 9 to connect the voltage rising plate 8 and the inversion plate 10 and the mode that the inductance conducting bar 11 is connected with the inversion plate 10 and the inversion inductance 12, cables inside the whole machine can be reduced to a great extent, the wiring process of the whole machine is simplified, and the performance and the maintenance convenience of the whole machine are improved.

The preferred embodiments of the present application have been described above with reference to the accompanying drawings, and are not intended to limit the scope of the claims of the application accordingly. Any modifications, equivalents, and improvements made by those skilled in the art without departing from the scope and spirit of the present application should be within the scope of the claims of the present application.

Claims

1. The inverter is characterized by comprising an input module, a boosting inductor, a filter plate, a boosting plate, a busbar assembly, an inverter plate, an inductor conducting bar and an inverter side inductor;

the inverter board with the contravariant side inductance passes through the electrically conductive row electrical connection of inductance, rise the clamp plate with the contravariant board passes through female subassembly electrical connection of arranging, input module the filtering board rise the inductance and rise through cable electrical connection between the clamp plate.

2. The inverter of claim 1, wherein the input module comprises at least one of a dc input terminal, a dc switch, and an input current sampling board.

3. The inverter of claim 1, wherein the input module is mounted at a bottom of a housing of the inverter.

4. The inverter of claim 1, wherein the cable between the input module and the filter plate is routed from a bottom of a housing of the inverter.

5. The inverter of claim 1, wherein cables between the filter plate, the boost inductor, and the boost plate are threaded out of the bottom of the filter plate through the boost inductor to electrically connect with the boost plate.

6. The inverter of claim 1, further comprising a boost-side radiator and an inverter-side radiator;

the boost-side radiator and the boost plate are sequentially arranged along the thickness direction of the inverter, and the boost plate is mounted on the boost-side radiator;

the inversion side radiator and the inversion plate are sequentially arranged along the thickness direction of the inverter, and the inversion plate is installed on the inversion side radiator.

7. The inverter of claim 6, wherein the boost-side radiator and the inverter-side radiator each partially protrude out of a housing of the inverter or are disposed on the housing.

8. The inverter of claim 1, wherein the inverter side inductor and the boost inductor each extend partially outside the inverter housing.

9. The inverter of claim 1, wherein the busbar assembly is made of an aluminum material.

10. The inverter of claim 1, wherein the conductive bars of the inductor are made of copper.