CN112768228B

CN112768228B - Capacitor with power-off protection function

Info

Publication number: CN112768228B
Application number: CN202011504044.XA
Authority: CN
Inventors: 杜嘉杰
Original assignee: Dong Jia Electronics Chenzhou Co ltd
Current assignee: Dong Jia Electronics Chenzhou Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2023-04-07
Anticipated expiration: 2040-12-18
Also published as: CN112768228A

Abstract

The invention discloses a capacitor with a power-off protection function, which comprises a bottom shell, a top shell, an installation seat and a second installation chamber, wherein a clamping block is installed at the top of the bottom shell, a clamping groove is installed on the outer side of the clamping block in a sleeved mode, the top shell is installed at the top of the clamping groove, a fixing bolt penetrates through the clamping block and is installed on one side of the clamping groove, the first installation chamber is arranged in the bottom shell and the top shell, the installation seat is installed at the bottom of the first installation chamber, a first conductor piece is installed at the top of the installation seat, a second conductor piece is installed on the inner side of the first conductor piece, and the second installation chamber is arranged on the inner side of the second conductor piece. According to the capacitor, the clamping block is arranged at the top of the bottom shell, the clamping groove is arranged at the bottom of the top shell, the clamping block is clamped into the clamping groove and fixed by the fixing bolt, when the capacitor needs to be disassembled, the top shell and the bottom shell can be separated by removing the fixing bolt, so that the capacitor is disassembled, and the assistance of the capacitor to relevant personnel is effectively improved.

Description

Capacitor with power-off protection function

Technical Field

The invention relates to the technical field of power-off protection, in particular to a capacitor with a power-off protection function.

Background

The basic structure of a capacitor, namely two conductors close to each other with a non-conductive insulating medium sandwiched therebetween, is characterized in that in a direct current circuit, the capacitor is equivalent to an open circuit, the capacitor is a component capable of storing electric charges and is one of the most commonly used electronic components, and since the capacitor is an electronic component, the capacitor can be damaged due to excessive current, and a capacitor with a power-off protection function is needed.

The existing capacitor has the following defects:

1. most of the existing capacitors do not have the power-off protection function, so that the existing capacitors can be damaged when the existing capacitors bear excessive current in a circuit;

2. most of the existing capacitors are fixed structures, and when the capacitors need to be disassembled, one capacitor can be directly scrapped, which is relatively wasteful;

3. the existing capacitor can be influenced by external temperature, when the capacitor works, the external temperature is too high, the temperature of the capacitor can be increased, and the capacitor is in danger of explosion.

Disclosure of Invention

The present invention is directed to a capacitor with power-off protection function, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a condenser with power-off protection function, includes drain pan, top shell, mount pad and second installation room, the fixture block is installed at the drain pan top, the fixture block outside cup joints installs the draw-in groove, the top shell is installed at the top of draw-in groove, draw-in groove one side is run through the fixture block and is installed fixing bolt, the drain pan is provided with anti-corrosion coating with the top shell outside, anti-corrosion coating inboard is provided with the insulating layer, and the insulating layer inboard is provided with the insulating layer, the screw thread seat is installed at top shell top, the butt joint line is all installed at screw thread seat top both ends, be provided with first installation room in drain pan and the top shell, microcontroller is installed to first installation room one side, the mount pad is installed to first installation room bottom, first conductor piece is installed at the mount pad top, second conductor piece is installed to first conductor piece inboard, second conductor piece inboard is provided with second installation room, install first wire on one side of second installation room, and install current sensor on the first wire, install the second wire on one side the second installation room, and install the resistor on the second wire.

Preferably, an insulating sheet is mounted between the first conductor piece and the second conductor piece.

Preferably, a dust cover is installed on the outer side of the threaded seat.

Preferably, the ends of the first and second wires are connected to a pair wire.

Preferably, the bottom of the bottom shell is provided with a base.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the current sensor is arranged on the first lead, the current on the capacitor is detected through the current sensor, when the current is too large, a signal is transmitted to the microcontroller, the microcontroller controls the resistor to increase the resistance value, and the capacitor is directly powered off through the resistor when necessary, so that the safety of the capacitor is ensured, the problem that the capacitor is easily damaged because the capacitor does not have a power-off protection function is avoided, and the protection function of the capacitor on a circuit is effectively improved.

2. According to the capacitor, the clamping block is arranged at the top of the bottom shell, the clamping groove is arranged at the bottom of the top shell, the clamping block is clamped into the clamping groove and fixed by the fixing bolt, when the capacitor needs to be disassembled, the top shell and the bottom shell can be separated by removing the fixing bolt, so that the capacitor is disassembled, the disassembling trouble caused by the integral structure of the capacitor is avoided, and the assistance of the capacitor to related personnel is effectively improved.

3. According to the invention, the heat insulation layer is arranged on the inner side of the anti-corrosion layer, and the internal temperature of the capacitor is isolated from the external temperature through the heat insulation layer, so that the capacitor is not influenced by the external temperature, explosion caused by temperature rise of the capacitor due to overhigh external temperature is avoided, and the safety of the capacitor is effectively improved.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic diagram of the material layer structure of the bottom case and the top case of the present invention;

fig. 4 is a schematic structural view of a fixture block and a slot of the present invention.

In the figure: 1. a bottom case; 101. a base; 102. a clamping block; 2. a top shell; 201. a card slot; 202. fixing the bolt; 3. an anti-corrosion layer; 301. a thermal insulation layer; 302. an insulating layer; 4. a threaded seat; 401. butting wires; 402. a dust cover; 5. a first installation chamber; 501. a microcontroller; 6. a mounting seat; 601. a first conductor sheet; 602. an insulating sheet; 603. a second conductor sheet; 7. a second installation chamber; 701. a first conductive line; 702. a current sensor; 703. a second conductive line; 704. a resistor.

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 should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, an embodiment of the present invention is shown: a capacitor with a power-off protection function comprises a bottom shell 1, a top shell 2, a mounting seat 6 and a second mounting chamber 7, wherein a base 101 is mounted at the bottom of the bottom shell 1;

specifically, the fixture block 102 is mounted at the top of the bottom shell 1, the clamping groove 201 is mounted on the outer side of the fixture block 102 in a sleeved mode, the fixture block 102 is mounted at the top of the bottom shell 1, the clamping groove 201 is mounted at the bottom of the top shell 2, the fixture block 102 is clamped into the clamping groove 201 and fixed through the fixing bolt 202, when disassembly is needed, the top shell 2 and the bottom shell 1 can be separated by removing the fixing bolt 202, a capacitor is disassembled, disassembly troubles caused by an integral structure of the capacitor are avoided, assistance of the capacitor to relevant personnel is effectively improved, the top shell 2 is mounted at the top of the clamping groove 201, and the fixing bolt 202 penetrates through the fixture block 102 and is mounted on one side of the clamping groove 201;

specifically, an anti-corrosion layer 3 is arranged on the outer sides of a bottom shell 1 and a top shell 2, the anti-corrosion layer 3 is made of raw lacquer materials, the capacitor can be effectively prevented from being damaged by corrosive substances outside, a heat insulation layer 301 is arranged on the inner side of the anti-corrosion layer 3, the heat insulation layer 301 is made of glass fiber materials, according to the invention, the inner temperature of the capacitor is isolated from the outside temperature through the heat insulation layer 301, so that the capacitor cannot be influenced by the outside temperature, explosion caused by the rise of the temperature of the capacitor due to overhigh outside temperature is avoided, the safety of the capacitor is effectively improved, the inner side of the heat insulation layer 301 is provided with an insulation layer 302, the insulation layer 302 is made of rubber materials, internal current can be effectively stored, and the problem of electric leakage of the capacitor is also avoided, a screw base 4 is arranged on the top of the top shell 2, butt wires 401 are arranged at two ends of the top of the screw base 4, a dust cover 402 is arranged on the outer side of the screw base 4, a first installation chamber 5 is arranged in the bottom shell 1 and the top shell 2, a conductor installation chamber 501 is arranged on one side of a first installation chamber, a conductor installation chamber 5 is provided with a conductor installation seat 6, a second conductor chip 601, a second conductor chip 603 is arranged between the inner side of a second insulation chip 603;

specifically, a first lead 701 is installed on one side in the second installation chamber 7, and a current sensor 702 is installed on the first lead 701, the current on the capacitor is detected through the current sensor 702, when the current is too large, a signal is transmitted to the microcontroller 501, the microcontroller 501 controls the resistor 704 to increase the resistance value, and if necessary, the capacitor is directly powered off through the resistor 704, so as to ensure the safety of the capacitor, avoid the problem that the capacitor is vulnerable because the capacitor does not have the power-off protection function, and effectively improve the protection function of the capacitor on the circuit.

The working principle is as follows: before using the device, a user firstly detects the device, the device is used after confirming that no problem exists, firstly, the capacitor is installed in a circuit, the current sensor 702 monitors the current of the capacitor, when the current in the circuit is overlarge, the current sensor 702 transmits a signal to the microcontroller 501, the microcontroller 501 controls the resistance value of the resistor 704 corresponding to the signal, if necessary, the circuit is powered off through the resistor 704 to achieve the purpose of protecting the circuit, when the capacitor needs to be disassembled, the fixing bolt 202 is screwed out, the bottom shell 1 and the top shell 2 can be directly separated and disassembled, when the capacitor is installed, the clamping block 102 is clamped into the clamping groove 201, then the bottom shell 1 and the top shell 2 are installed and fixed by screwing the fixing bolt 202, when the capacitor is in a standby state, the dust cover 402 needs to be covered, and the limitation of the use of the capacitor caused by dust falling is avoided.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a condenser with power-off protection function, includes drain pan (1), top shell (2), mount pad (6) and second installation room (7), its characterized in that: a clamping block (102) is installed at the top of the bottom shell (1), a clamping groove (201) is installed on the outer side of the clamping block (102) in a sleeved mode, a top shell (2) is installed at the top of the clamping groove (201), a fixing bolt (202) penetrates through the clamping block (102) on one side of the clamping groove (201), an anti-corrosion layer (3) is arranged on the outer side of the bottom shell (1) and the outer side of the top shell (2), a heat insulation layer (301) is arranged on the inner side of the anti-corrosion layer (3), an insulation layer (302) is arranged on the inner side of the heat insulation layer (301), a threaded seat (4) is installed on the top of the top shell (2), butt wires (401) are installed at two ends of the top of the threaded seat (4), first installation chambers (5) are arranged in the bottom shell (1) and the top shell (2), a microcontroller (501) is installed on one side of each first installation chamber (5), an installation seat (6) is installed at the bottom of each first installation chamber (5), a first conductor piece (601) is installed on the top of each first installation chamber (6), a second conductor piece (603) is installed on the inner side of each second conductor piece (603), a second installation chamber (701), a second current sensor (701) is installed on one side of each current sensor (701), a second lead (703) is arranged on the other side in the second installation chamber (7), and a resistor (704) is arranged on the second lead (703);

the ends of the first lead (701) and the second lead (703) are connected to a butt joint wire (401);

and a capacitor core is installed in the second installation chamber (7), the capacitor core is electrically connected with the current sensor (702), the microcontroller (501) and the resistor (704), and the microcontroller (501) controls the resistance value of the resistor (704) according to a current signal detected by the current sensor (702) to realize the power-off protection function of the capacitor.

2. A capacitor having a power-off protection function according to claim 1, wherein: an insulation sheet (602) is mounted between the first conductor sheet (601) and the second conductor sheet (603).

3. A capacitor having a power-off protection function according to claim 1, wherein: and a dust cover (402) is arranged on the outer side of the threaded seat (4).

4. A capacitor having a power-off protection function according to claim 1, wherein: the bottom of the bottom shell (1) is provided with a base (101).