CN211352022U

CN211352022U - Capacitor module and power supply device

Info

Publication number: CN211352022U
Application number: CN201922499054.8U
Authority: CN
Inventors: 谭治国
Original assignee: Shenzhen Invt Electric Co Ltd
Current assignee: Shenzhen Invt Electric Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-25
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a capacitor assembly and a power supply device, wherein the capacitor assembly comprises a first mounting plate; a second mounting plate; the first side face of the capacitor corresponds to the first mounting plate, the second side face opposite to the first side face of the capacitor corresponds to the second mounting plate, and the capacitor is arranged between the first mounting plate and the second mounting plate; the first mounting plate and the second mounting plate are used for fixedly mounting the capacitor. Through implementing this embodiment, can make the electric capacity break away from in the circuit module setting, reduced the occupation space of electric capacity, and then reduced the volume of complete machine, and the installation is maintained more conveniently. The utility model discloses a power supply device, which comprises a case; a capacitive component, the capacitive component being the capacitive component; the capacitor assembly is fixedly mounted on the case through the first mounting plate and the second mounting plate.

Description

Capacitor module and power supply device

Technical Field

The utility model relates to a converter technical field especially relates to an electric capacity subassembly and power supply unit.

Background

With the development of science and technology, people have more and more mature technology in the technical field of frequency converters. The medium-frequency power supply is used as a static frequency conversion device, has strong adaptability to various loads and wide application range, and is widely applied to various industries. At present, for high-power supply structures such as an intermediate-frequency power supply and the like, a tiled mode is usually adopted for a resonant capacitor, however, the structural layout of the tiled resonant capacitor is complex, the structural cost is high, and the overall size of the power supply structure is large. In addition, the resonant capacitor belongs to a device which is easy to damage, and the conventional power supply structure is difficult to maintain due to the complex layout of the resonant capacitor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a capacitance assembly and power supply unit aims at solving among the correlation technique resonance electric capacity occupation space big, leads to the complete machine bulky to and be difficult to the problem of maintaining.

The utility model provides a capacitor assembly, which comprises a first mounting plate; a second mounting plate; the first side face of the capacitor corresponds to the first mounting plate, the second side face opposite to the first side face of the capacitor corresponds to the second mounting plate, and the capacitor is arranged between the first mounting plate and the second mounting plate; the first mounting plate and the second mounting plate are used for fixedly mounting the capacitor.

Furthermore, the first mounting plate comprises a first capacitor mounting plate and a first fixed mounting plate, the first capacitor mounting plate fixes the first side surface of the capacitor, and the first fixed mounting plate is used for being fixed with the chassis; the second mounting panel includes second electric capacity mounting panel and second fixed mounting panel, the second electric capacity mounting panel is fixed the second side of electric capacity, the second fixed mounting panel be used for with quick-witted case is fixed.

Further, the first capacitor mounting plate and the first fixed mounting plate are perpendicular to each other, and the first capacitor mounting plate and the first fixed mounting plate are integrally formed; the second capacitor mounting panel with second fixed mounting panel mutually perpendicular, just the second capacitor mounting panel with second fixed mounting panel integrated into one piece.

Further, the first capacitor mounting plate fixes the first side surface of the capacitor through a screw; the second capacitor mounting plate fixes the second side surface of the capacitor through a screw.

Furthermore, the first fixed mounting plate and the second fixed mounting plate are both provided with mounting holes.

The utility model also provides a power supply device, which comprises a case; the capacitor assembly is the capacitor assembly; the capacitor assembly is fixedly mounted on the case through the first mounting plate and the second mounting plate.

Furthermore, the case is divided into a first cavity and a second cavity which are connected in a front-back mode, the first cavity is used for installing a circuit module, the second cavity is used for installing a heat dissipation module, the circuit module is installed at the joint of the first cavity and the second cavity and faces towards the first cavity, the heat dissipation module is installed at the joint of the first cavity and the second cavity and faces towards the second cavity, and the first fixing installation plate and the second fixing installation plate are fixed at the joint of the first cavity and the second cavity and face towards the first cavity, so that the capacitor assembly is installed in the first cavity and the capacitor is perpendicular to the circuit module.

Further, power supply unit includes the second electric capacity, first cavity with the junction of second cavity just faces first cavity is equipped with third mounting panel and fourth mounting panel, the third mounting panel with the first side fixed mounting of second electric capacity, the fourth mounting panel with the second electric capacity with the second side fixed mounting that first side is relative, so that the second electric capacity is perpendicular to circuit module.

Further, the second capacitor is a filter capacitor.

Furthermore, a first air inlet is formed in the side surface of the first cavity, a fan is arranged at the top of the first cavity, and air flows into the first air inlet and flows out of the fan to take away heat generated by the circuit module in the first cavity; the bottom of the second cavity is provided with a second air inlet, the top of the second cavity is provided with a fan, and air flows in from the second air inlet and flows out from the fan to take away heat generated by the heat dissipation module in the second cavity.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a first mounting panel and second mounting panel installation electric capacity, with the first side and the first mounting panel fixed mounting of electric capacity, with the second side and the second mounting panel fixed mounting of electric capacity, thereby install electric capacity between first mounting panel and second mounting panel in order to constitute electric capacity subassembly, with first mounting panel and second mounting panel and quick-witted case fixed mounting, thereby make electric capacity need not tiling again and set up on circuit module, can break away from in circuit module, the occupation space of electric capacity has been reduced, and then the volume of complete machine has been reduced, and it is more convenient to install and maintain.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 shows a structural diagram of a capacitor module according to an embodiment of the present invention;

fig. 2 shows a first schematic diagram of a power supply apparatus according to an embodiment of the present invention;

fig. 3 illustrates a second schematic diagram of a power supply apparatus provided by an embodiment of the present invention;

fig. 4 shows a circuit diagram of a power supply device according to an embodiment of the present invention;

fig. 5 illustrates a third schematic diagram of a power supply apparatus according to an embodiment of the present invention;

fig. 6 is a schematic external view of a power supply device according to an embodiment of the present invention;

fig. 7 shows an air flow schematic diagram of a power supply device provided by an embodiment 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 some, not all, of the embodiments of the present invention. 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.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Referring to fig. 1, an embodiment of a capacitor module 10 according to the present invention is shown. The capacitor assembly 10 includes a first mounting plate 12; a second mounting plate 13; at least one capacitor 11, a first side 11a of the capacitor 11 corresponding to the first mounting plate 12, and a second side 11b opposite to the first side 11a corresponding to the second mounting plate 13, wherein the capacitor 11 is mounted between the first mounting plate 12 and the second mounting plate 13; wherein the first mounting plate 12 and the second mounting plate 13 are used for fixedly mounting the capacitor 11. In the specific implementation, the number of the capacitors 11 is four, but it is understood that one or any other number of capacitors may be used, and is not limited herein. The capacitor 11 has a cylindrical or prismatic shape, which is not limited herein, and thus the capacitor 11 includes a first side surface 11a and a second side surface 11b opposite to the first side surface 11 a. The first mounting plate 12 is fixedly mounted to the first side surface 11a of the capacitor 11, and the second mounting plate 13 is fixedly mounted to the second side surface 11b of the capacitor 11, so that four capacitors 11 are mounted between the first mounting plate 12 and the second mounting plate 13, thereby forming the capacitor assembly 10. When the capacitor assembly 10 is mounted to the chassis 20, the capacitor assembly 10 is fixedly mounted to the chassis 20 through the first mounting plate 12 and the second mounting plate 13, so that the capacitor assembly 10 can be separated from the circuit module without being laid on the circuit module, and occupies a large amount of space. In addition, compared with an individual capacitor, the capacitor component 10 consisting of a plurality of capacitors can be assembled when a manufacturer leaves a factory, and a customer can quickly and directly install the capacitor component 10 when delivering goods to a field for installation; the capacitor assembly 10 can be shipped as a spare part when a manufacturer leaves a factory, and can be quickly replaced when the capacitor is damaged, so that quick installation is realized, and the maintenance is more convenient.

In one embodiment, the first mounting plate 12 includes a first capacitor mounting plate 12a and a first fixed mounting plate 12b, the first capacitor mounting plate 12a is fixed to the first side 11a of the capacitor 11, and the first fixed mounting plate 12b is fixed to the chassis 20; the second mounting plate 13 includes a second capacitor mounting plate 13a and a second fixed mounting plate 13b, the second capacitor mounting plate 13a fixes the second side surface 11b of the capacitor 11, and the second fixed mounting plate 13b is used for fixing with the case 20.

In specific implementation, the first mounting plate 12 and the second mounting plate 13 may be fixedly mounted to the chassis 20 in various embodiments, such as a snap-fit connection, a mortise connection, and the like. This embodiment is a preferred embodiment, and in order to make the installation of the capacitor assembly 10 more stable and convenient, the first mounting plate 12 is composed of a first capacitor mounting plate 12a and a first fixed mounting plate 12b, and the second mounting plate 13 is composed of a second capacitor mounting plate 13a and a second fixed mounting plate 13 b. The capacitor 11 is interposed between the first capacitor mounting plate 12a and the second capacitor mounting plate 13 a. When the capacitor assembly 10 is installed, a customer only needs to fixedly install the first fixing and mounting plate 12b and the second fixing and mounting plate 13b with the case 20, which is convenient and fast.

In one embodiment, the first capacitor mounting plate 12a and the first fixed mounting plate 12b are perpendicular to each other, and the first capacitor mounting plate 12a and the first fixed mounting plate 12b are integrally formed; the second capacitor mounting plate 13a is perpendicular to the second fixed mounting plate 13b, and the second capacitor mounting plate 13a and the second fixed mounting plate 13b are integrally formed.

Specifically, the first capacitor mounting plate 12a and the first fixed mounting plate 12b may be formed by bending one mounting plate ninety degrees, and similarly, the second capacitor mounting plate 13a and the second fixed mounting plate 13b are formed in the same manner. It will of course be appreciated that the first capacitor mounting plate 12a and the first fixed mounting plate 12b may also be connected vertically by welding.

In one embodiment, the first capacitor mounting plate 12a is fixed to the first side 11a of the capacitor 11 by screws; the second capacitor mounting plate 13a fixes the second side surface 11b of the capacitor 11 by a screw. Specifically, the first capacitor mounting plate 12a and the second capacitor mounting plate 13a fix both sides of the capacitor 11 by screws, thereby mounting the capacitor 11 between the first capacitor mounting plate 12a and the second capacitor mounting plate 13 a.

In one embodiment, the first fixing mounting plate 12b and the second fixing mounting plate 13b are provided with mounting holes. Specifically, the first fixing mounting plate 12b may be fixedly mounted to the chassis 20 by screws passing through the mounting holes, and the second fixing mounting plate 13b may be fixedly mounted to the chassis 20 by screws passing through the mounting holes, so as to mount the capacitor assembly 10 to the chassis 20.

The embodiment of the utility model provides a through first mounting panel 12 and second mounting panel 13 installation electric capacity, with the first side 11a and the first mounting panel 12 fixed mounting of electric capacity, with the second side 11b and the second mounting panel 13 fixed mounting of electric capacity, thereby install electric capacity between first mounting panel 12 and second mounting panel 13 in order to constitute electric capacity subassembly 10, with first mounting panel 12 and second mounting panel 13 and quick-witted case 20 fixed mounting, thereby make electric capacity need not tile the setting again on circuit module, can break away from in circuit module, the occupation space of electric capacity has been reduced, and then the volume of complete machine has been reduced, and it is more convenient to install and maintain.

In another embodiment, referring to fig. 2-7, the embodiment of the present invention further provides a power supply apparatus 100. The power supply device 100 is, for example, an intermediate frequency power supply device 100, and the intermediate frequency power supply is a static frequency conversion device, has strong adaptability to various loads, has a wide application range, and is widely applied to various industries. The power supply device 100 includes a chassis 20 and a capacitor assembly 10, wherein the capacitor assembly 10 is the capacitor assembly 10 in the above embodiment, and the capacitor assembly 10 is fixedly mounted on the chassis 20 through the first mounting plate 12 and the second mounting plate 13.

Specifically, the chassis 20 includes a front side plate 1, a rear side plate 2, a left side plate 3, a right side plate 4, an upper top plate 5, and a lower bottom plate 6. The case 20 is divided into a first cavity 30 and a second cavity 40 which are connected in a front-back manner, the first cavity 30 is used for installing a circuit module, the second cavity 40 is used for installing a heat dissipation module, the circuit module is installed at the joint of the first cavity 30 and the second cavity 40 and faces the first cavity 30, and the heat dissipation module is installed at the joint of the first cavity 30 and the second cavity 40 and faces the second cavity 40. The first cavity 30 and the second cavity 40 are independently arranged in a sealing mode, the first cavity 30 is close to the front side plate 1, and the second cavity 40 is close to the rear side plate 2. The circuit module comprises a lightning protection plate 21, a rectifier bridge 22, a capacitor assembly 10, a filter plate 23c, a filter capacitor 23, an IGBT25, a gate plate 26, a power panel 27, a control panel 28, a keyboard 29 and a drive plate 32, wherein a capacitor in the capacitor assembly 10 is a resonant capacitor. The heat dissipation module includes an IGBT heat sink 41 and a rectifier heat sink 42.

Specifically, the main power loop of the power supply apparatus 100 is shown in fig. 4. The three-phase IGBT power supply comprises an input end R/S/T, a three-phase rectifier bridge 22, a filter capacitor 23, a two-phase IGBT25 (a plurality of IGBTs 25 in parallel connection of each phase) and a two-phase output end U/W. The output U/W phase is connected with a resonance capacitor in parallel, the positive bus is provided with an input detection HALL (Hall sensor), and the output U phase is provided with an output detection HALL. There is a snubber capacitance across the IGBT 25.

In a specific implementation, the capacitor assembly 10 includes four resonant capacitors, and the first fixing mounting plate 12b and the second fixing mounting plate 13b are fixed at the connection between the first cavity 30 and the second cavity 40 by screws and face the first cavity 30, so that the capacitor 11 is perpendicular to the circuit module, that is, the capacitor 11 can be vertically disposed. By implementing the embodiment, the width and the height of the whole machine can be greatly reduced. And the internal layout is simpler, and the structural cost of the copper bar and the case 20 can be saved.

In an embodiment, in order to further optimize the overall layout and reduce the overall size, the filter capacitor 23 may be disposed with reference to the capacitor assembly 10, the power supply device 100 includes a second capacitor, the second capacitor is the filter capacitor 23, a third mounting plate 23a and a fourth mounting plate 23b are disposed at a connection between the first cavity 30 and the second cavity 40 and facing the first cavity 30, the third mounting plate 23a is fixedly mounted to a first side surface 11a of the second capacitor, and the fourth mounting plate 23b is fixedly mounted to a second side surface 11b of the second capacitor opposite to the first side surface 11a, so that the capacitor assembly 10 is mounted in the first cavity 30 and the second capacitor is perpendicular to the circuit module, that is, the second capacitor may be disposed upright.

Specifically, the third mounting plate 23a and the fourth mounting plate 23b extend toward the front side plate 1 of the chassis 20 and are arranged in parallel in the vertical direction, so that both end surfaces of the filter capacitor 23 can be installed between the third mounting plate 23a and the fourth mounting plate 23b, and the filter capacitor 23 is separated from the upright arrangement of the filter plate 23c, thereby reducing the space occupied by the filter capacitor 23 and greatly reducing the width and height of the whole machine.

In an embodiment, in order to ensure the normal operation of the power supply device 100 and improve the reliability, a first air inlet 31 is disposed on a side surface of the first cavity 30, a fan 50 is disposed on a top portion of the first cavity 30, and an air flow flows in from the first air inlet 31 and then flows out from the fan 50 to take away heat generated by the circuit module in the first cavity 30; the bottom of the second cavity 40 is provided with a second air inlet 43, the top of the second cavity 40 is provided with a fan 50, and the air flow flows in from the second air inlet 43 and flows out from the fan 50 to take away heat generated by the heat dissipation module in the second cavity 40. Through implementing this embodiment, can utilize the heat dissipation channel in the cavity to dispel the heat that circuit module or heat dissipation module sent, realize cooling down with the air current of outside air form circulation under fan 50's drive, improve security and reliability.

The embodiment of the utility model provides a power supply unit 100 is through first mounting panel 12 with electric capacity component 10 and second mounting panel 13 fixed mounting on the quick-witted case 20 of device, makes electric capacity can break away from the circuit module setting, and electric capacity no longer need tile and occupy a large amount of spaces on the circuit module to reduce the width and the height dimension of complete machine greatly, inside overall arrangement is simpler moreover, can save copper bar and quick-witted case 20's structural cost.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A capacitive assembly, comprising:

a first mounting plate;

a second mounting plate;

the first side face of the capacitor corresponds to the first mounting plate, the second side face opposite to the first side face of the capacitor corresponds to the second mounting plate, and the capacitor is arranged between the first mounting plate and the second mounting plate;

the first mounting plate and the second mounting plate are used for fixedly mounting the capacitor.

2. The capacitor assembly of claim 1, wherein the first mounting plate comprises a first capacitor mounting plate and a first fixed mounting plate, the first capacitor mounting plate securing a first side of the capacitor, the first fixed mounting plate configured to be secured to a chassis;

the second mounting panel includes second electric capacity mounting panel and second fixed mounting panel, the second electric capacity mounting panel is fixed the second side of electric capacity, the second fixed mounting panel be used for with quick-witted case is fixed.

3. The capacitor assembly as defined in claim 2, wherein the first capacitor mounting plate and the first fixed mounting plate are perpendicular to each other and the first capacitor mounting plate and the first fixed mounting plate are integrally formed;

the second capacitor mounting panel with second fixed mounting panel mutually perpendicular, just the second capacitor mounting panel with second fixed mounting panel integrated into one piece.

4. The capacitor assembly as defined in claim 3 wherein, the first capacitor mounting plate secures the first side of the capacitor by a screw; the second capacitor mounting plate fixes the second side surface of the capacitor through a screw.

5. A capacitor assembly according to claim 3 or 4, wherein the first and second mounting plates are provided with mounting holes.

6. A power supply device is characterized by comprising

A chassis;

a capacitive component as claimed in any one of claims 2 to 4;

the capacitor assembly is fixedly mounted on the case through the first mounting plate and the second mounting plate.

7. The power supply device according to claim 6, wherein the case is divided into a first cavity and a second cavity connected in a front-back manner, the first cavity is used for installing a circuit module, the second cavity is used for installing a heat dissipation module, the circuit module is installed at a joint of the first cavity and the second cavity and faces the first cavity, the heat dissipation module is installed at a joint of the first cavity and the second cavity and faces the second cavity, and the first fixing mounting plate and the second fixing mounting plate are fixed at a joint of the first cavity and the second cavity and face the first cavity, so that the capacitor assembly is installed in the first cavity and the capacitor is perpendicular to the circuit module.

8. The power supply device according to claim 7, wherein the power supply device comprises a second capacitor, a third mounting plate and a fourth mounting plate are arranged at a joint of the first cavity and the second cavity and facing the first cavity, the third mounting plate is fixedly mounted on a first side surface of the second capacitor, and the fourth mounting plate is fixedly mounted on a second side surface of the second capacitor, opposite to the first side surface, so that the second capacitor is perpendicular to the circuit module.

9. The power supply device according to claim 8, wherein the second capacitor is a filter capacitor.

10. The power supply device according to claim 7, wherein a first air inlet is formed in a side surface of the first cavity, a fan is formed in a top portion of the first cavity, and air flows in from the first air inlet and flows out from the fan to carry away heat generated by the circuit module in the first cavity;

the bottom of the second cavity is provided with a second air inlet, the top of the second cavity is provided with a fan, and air flows in from the second air inlet and flows out from the fan to take away heat generated by the heat dissipation module in the second cavity.