CN216119931U

CN216119931U - Self-healing low-voltage parallel power capacitor

Info

Publication number: CN216119931U
Application number: CN202122568481.4U
Authority: CN
Inventors: 刘海; 李天胜; 刘金南; 金鼎峰; 田亦农
Original assignee: Zhejiang Greenwald Power Electronics Co ltd
Current assignee: Zhejiang Greenwald Power Electronics Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-03-22
Anticipated expiration: 2031-10-25

Abstract

The utility model relates to the technical field of electrical components, in particular to a self-healing low-voltage parallel power capacitor, which comprises a shell and a power capacitor element arranged in the shell, wherein a binding post connected with the power capacitor element is arranged at the top of the shell, a protection mechanism for protecting the binding post is arranged at the top of the shell, the protection mechanism comprises a protection frame fixedly connected to the top of the shell, the binding post is contained in the protection frame, the top of the protection frame is hinged with a cover plate, and the side wall of the protection frame is provided with a wiring hole communicated with the inside of the protection frame; the casing outside fixedly connected with is used for detecting the temperature sensor of operational environment temperature, still includes and is used for carrying out radiating heat dissipation mechanism to power capacitor element, can protect the terminal outside, can not make the terminal expose completely in the air, can slow down the corruption of terminal effectively.

Description

Self-healing low-voltage parallel power capacitor

Technical Field

The utility model relates to the technical field of electrical components, in particular to a self-healing low-voltage parallel power capacitor.

Background

The power capacitor is used for the capacitors of power systems and electrical equipment, is used as reactive power compensation of the current domestic power systems, and is widely applied to a reactive power supply, and whether the power supply runs reliably or not is directly related to whether the power system can run safely, stably and economically. However, the terminal on the parallel power capacitor of current self-healing low pressure exposes outside completely and air contact, can accelerate the corruption of terminal to, self-healing low pressure parallel power capacitor operational environment's temperature can not detect, and the staff can't know the condition the very first time, if ambient temperature is too high, makes the parallel power capacitor of self-healing low pressure work under being in high temperature state for a long time, can reduce its life.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a self-healing low-voltage parallel power capacitor to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a self-healing low-voltage parallel power capacitor comprises a shell and a power capacitor element arranged in the shell, wherein a binding post connected with the power capacitor element is arranged at the top of the shell, a protection mechanism used for protecting the binding post is arranged at the top of the shell, the protection mechanism comprises a protection frame fixedly connected to the top of the shell, the binding post is contained in the protection frame, the top of the protection frame is hinged with a cover plate, and a wiring hole communicated with the inside of the protection frame is formed in the side wall of the protection frame; the shell outside fixedly connected with is used for detecting the temperature sensor of operational environment temperature, still includes and is used for carrying out radiating heat dissipation mechanism to power capacitor element.

Preferably, the wiring hole is positioned corresponding to the position of the binding post.

Preferably, an alarm is fixedly connected to the outer side of the shell.

Preferably, the heat dissipation mechanism includes a heat conduction block and a heat dissipation sheet, the heat conduction block contacts with the power capacitor element, the heat dissipation sheet is fixedly connected with the heat conduction block, and the heat dissipation sheet is located outside the housing.

Preferably, the heat sink is provided with an arc-shaped groove.

Preferably, the bottom of the shell is provided with a groove, the top of the groove is provided with a through hole communicated with the inside of the shell, the heat conduction block is fixedly connected to the through hole, and the radiating fin is positioned in the groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. this self-healing low pressure power capacitor that connects in parallel, through the setting of protective frame and apron, can protect the terminal outside, can not make the terminal expose completely in the air, can slow down the corruption of terminal effectively.

2. This parallel power capacitor of self-healing low pressure through temperature sensor detectable working environment's temperature, when temperature sensor detected that working environment temperature reaches the setting value, temperature sensor gave the controller with signal transmission, and the controller control siren sends the police dispatch newspaper, can in time remind the staff to take measures at the very first time, avoids power capacitor to be in high temperature environment work for a long time effectively, can carry out fine protection to power capacitor.

3. This self-healing low pressure parallel power capacitor through the setting of heat dissipation mechanism, can dispel the heat to power capacitor element, has prolonged power capacitor element's life.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic sectional view of the housing according to the present invention.

Fig. 3 is a schematic structural view of the state when the cover plate is opened in the present invention.

Fig. 4 is a schematic structural diagram of the heat dissipation mechanism of the present invention.

The meaning of the reference symbols in the figures is: 10. a housing; 100. a groove; 11. a power capacitor element; 12. a binding post; 20. a heat conducting block; 21. a heat sink; 210. an arc-shaped slot; 40. a protective frame; 400. a wiring hole; 41. a cover plate; 50. a temperature sensor; 51. an alarm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a technical scheme that:

a self-healing low-voltage parallel power capacitor, please refer to fig. 1-2, which includes a housing 10 and a power capacitor element 11 installed inside the housing 10, wherein the power capacitor element 11 is fixedly connected to the bottom of the inner wall of the housing 10; a terminal 12 connected to the power capacitor element 11 is mounted on the top of the case 10, and the power capacitor element 11 and the terminal 12 are connected by a wire.

The post 12 is completely exposed, which accelerates contact with air to accelerate corrosion and easily drops dust, in order to solve this problem; referring to fig. 1 to 3, a protection mechanism for protecting the terminal 12 is disposed at the top of the housing 10; the protection mechanism comprises a protection frame 40 fixedly connected to the top of the shell 10, the top and the bottom of the protection frame 40 are both open, the wiring terminal 12 is accommodated in the protection frame 40, the top of the protection frame 40 is hinged with a cover plate 41, one sides of the cover plate 41, which are close to the protection frame 40, are both fixedly connected with magnet blocks, the two magnet blocks are magnetically connected, and after the cover plate 41 is covered, the cover plate 41 can be adsorbed on the top of the protection frame 40, so that the cover plate 41 is not easy to open; the side wall of the protection frame 40 is provided with a wiring hole 400 communicated with the inside of the protection frame 40.

The cover plate 41 and the protection frame 40 can protect the outside of the terminal 12, and the terminal 12 is not exposed in the air completely, so that the corrosion of the terminal 12 by the air can be reduced, and a good dustproof effect can be achieved.

When wiring on the binding post 12, the cover plate 41 is opened, the wiring is connected with the binding post 12 in the protective frame 40 is penetrated from the wiring hole 400, and after the cover plate 41 is opened, a worker can stretch a hand into the protective frame 40, so that the wiring is conveniently connected with the binding post 12.

The wiring hole 400 is positioned corresponding to the position of the binding post 12, so that a lead penetrating from the wiring hole 400 can be directly moved to the position of the binding post 12, the lead does not need to be adjusted to be moved to the position of the binding post 12, and wiring work is more convenient to carry out.

Referring to fig. 1-2, a temperature sensor 50 for detecting a temperature of a working environment is fixedly connected to an outer side of the housing 10, an alarm 51 is fixedly connected to an outer side of the housing 10, and both the temperature sensor 50 and the alarm 51 are electrically connected to the controller, and may be connected through a wire or a wireless module; temperature sensor 50 can detect the operational environment temperature of power capacitor, and when temperature sensor 50 detected that the operational environment temperature reached the setting value, temperature sensor 50 transmitted the signal for the controller, and controller control siren 51 sends out the police dispatch newspaper, can in time remind the staff to take measures at the very first time, avoids power capacitor to be in high temperature environment work for a long time effectively, can carry out fine protection to power capacitor.

Referring to fig. 2 and 4, the power capacitor device further includes a heat dissipation mechanism for dissipating heat of the power capacitor device 11; the heat dissipation mechanism comprises a heat conduction block 20 and a heat dissipation sheet 21, the heat conduction block 20 is in contact with the power capacitor element 11, the heat dissipation sheet 21 is fixedly connected with the heat conduction block 20, and the heat dissipation sheet 21 is positioned outside the shell 10; the bottom of the shell 10 is provided with a groove 100, the top of the groove 100 is provided with a through hole communicated with the inside of the shell 10, the heat conduction block 20 is fixedly connected to the through hole, and the radiating fin 21 is positioned in the groove 100; when the power capacitor element 11 generates heat during operation, the heat conduction block 20 can conduct the heat on the power capacitor element 11 to the heat dissipation fin 21 for heat dissipation, so that the power capacitor element 11 can be effectively dissipated, and the service life of the power capacitor element 11 is prolonged.

Referring to fig. 4, in order to enhance the heat dissipation effect of the heat sink 21, the heat sink 21 is provided with an arc-shaped groove 210, which can increase the contact area between the heat sink 21 and the air, thereby enhancing the heat dissipation effect.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a self-healing low pressure parallel power capacitor, includes casing (10) and installs power capacitor element (11) inside casing (10), terminal (12) of being connected with power capacitor element (11) are installed to the top of casing (10), its characterized in that: the protection device comprises a shell (10), wherein a protection mechanism for protecting a binding post (12) is arranged at the top of the shell (10), the protection mechanism comprises a protection frame (40) fixedly connected to the top of the shell (10), the binding post (12) is accommodated in the protection frame (40), the top of the protection frame (40) is hinged with a cover plate (41), and the side wall of the protection frame (40) is provided with a wiring hole (400) communicated with the inside of the protection frame (40); the temperature sensor (50) used for detecting the temperature of a working environment is fixedly connected to the outer side of the shell (10), and the heat dissipation mechanism used for dissipating heat of the power capacitor element (11) is further included.

2. A self-healing low-voltage parallel power capacitor according to claim 1, characterized in that: the wiring hole (400) is positioned corresponding to the position of the binding post (12).

3. A self-healing low-voltage parallel power capacitor according to claim 1, characterized in that: an alarm (51) is fixedly connected to the outer side of the shell (10).

4. A self-healing low-voltage parallel power capacitor according to claim 1, characterized in that: the heat dissipation mechanism comprises a heat conduction block (20) and a heat dissipation sheet (21), the heat conduction block (20) is in contact with the power capacitor element (11), the heat dissipation sheet (21) is fixedly connected with the heat conduction block (20), and the heat dissipation sheet (21) is located outside the shell (10).

5. A self-healing low-voltage parallel power capacitor according to claim 4, characterized in that: the radiating fin (21) is provided with an arc-shaped groove (210).

6. A self-healing low-voltage parallel power capacitor according to claim 4, characterized in that: the heat conducting module is characterized in that a groove (100) is formed in the bottom of the shell (10), a through hole communicated with the inside of the shell (10) is formed in the top of the groove (100), the heat conducting block (20) is fixedly connected to the through hole, and the radiating fins (21) are located in the groove (100).