CN218241583U

CN218241583U - Low-voltage power capacitor

Info

Publication number: CN218241583U
Application number: CN202222333493.3U
Authority: CN
Inventors: 张珣
Original assignee: Tianjin Deyuan Electric Co ltd
Current assignee: Tianjin Deyuan Electric Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-01-06
Anticipated expiration: 2032-09-02

Abstract

The utility model discloses a low pressure power capacitor, which comprises an outer shell, three brackets are installed to the bottom inboard of shell, the top of bracket is run through and is installed the copper pipe, the surface outer wall of copper pipe runs through and has seted up the multiunit louvre, the top of bracket is run through and is installed the condenser, and the condenser is located the inboard of copper pipe, the multiunit conducting strip is installed to the outer wall of condenser, the utility model discloses a set up copper pipe, fan, conducting strip, when low pressure power capacitor started the operation, the condenser can emit great heat, and the heat of condenser passes through the conducting strip and transmits for the copper pipe, and the heat in the copper pipe outwards disperses through the louvre, and the fan in the shell is opened to electric power staff, and the fan blows to the louvre, makes the heat in the copper pipe volatilize with higher speed, and the heat that gives off outwards discharges through ventilative fence, has effectively solved the heat and has too much easily caused insulating medium to age with higher speed, reduces dielectric strength, causes the inside troubles such as partial discharge breakdown that appear of condenser.

Description

Low-voltage power capacitor

Technical Field

The utility model relates to a capacitor equipment technical field specifically is a low pressure power capacitor.

Background

In the low-voltage power distribution technology, power capacitor is indispensable equipment, power capacitor not only can energy-efficiently at the during operation, reduce the line loss, can also improve power factor and power quality, current low-voltage power capacitor is when operation, condenser itself can produce more heat, the heat is too much easily causes insulating medium accelerated aging, reduce dielectric strength, cause the inside trouble such as partial discharge breakdown that appears in condenser, and the condenser hardly detects operating current intensity, the difficult real-time feedback of circumstances such as the current anomaly that probably appears, and this kind of problem can be solved to a low-voltage power capacitor.

The low-voltage power capacitor in the prior art has the following defects:

1. patent documents: CN209859815U a modular intelligence low pressure power capacitor, "includes the shell, the top of shell sets up first connection terminal, the top of shell is provided with a safe terminal in one side that is located the connection terminal in addition, a spread groove and No. two spread grooves have been seted up on the preceding terminal surface of shell respectively, a connecting strip and No. two connecting strips have been seted up on the rear end face of shell respectively, the bottom both sides of shell are connected respectively and are installed a fixed foot. A modular intelligence low pressure power capacitor, through set up spread groove and connecting strip respectively on the shell of condenser, utilize spacing bullet post on the connecting strip and the spacing groove chucking in the spread groove to be connected together single condenser equipment, and carry out the combination of freedom indefinite number according to electric power system's different demands, realize using single condenser combination. "current low voltage power capacitor when the operation, the condenser itself can produce more heat, and a low voltage power capacitor is through taking the subassembly certainly, discharges the heat that the condenser during operation gived off fast, has effectively solved the too much insulating medium accelerated aging that easily causes of heat, reduces dielectric strength, causes the inside troubles such as partial discharge breakdown that appear of condenser.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low voltage power capacitor to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low pressure power capacitor, includes the shell, a set of fixed plate is installed to the both sides outer wall of shell, three brackets are installed to the bottom inboard of shell, the top of bracket is run through and is installed the copper pipe, the surperficial outer wall of copper pipe runs through and has been seted up the multiunit louvre, thermodetector is installed to the inboard of copper pipe, the top of bracket is run through and is installed the condenser, and the condenser is located the inboard of copper pipe, the multiunit conducting strip is installed to the outer wall of condenser, and the one end of conducting strip is connected with the inner wall of copper pipe, current transformer is installed to the surperficial outer wall of condenser, and current transformer is located one side of conducting strip, two sets of installed parts are installed to one side inner wall of shell, one side outer wall fixed mounting of installed part has the fan, the control box is installed to the opposite side inner wall of shell, the circuit board is installed to the inboard of control box, one side outer wall of control box is run through and is installed the current port.

Preferably, the top of the fixing plate is provided with a fixing hole in a penetrating way.

Preferably, the outer wall of the front side of the shell is provided with a ventilation fence in a penetrating manner, the outer wall of the front side of the shell is provided with a connecting port in a penetrating manner, and the connecting port is located above the ventilation fence.

Preferably, a controller is installed on the outer wall of one side of the shell, and the controller is located above the fixing plate.

Preferably, a button is installed on the outer wall of one side of the controller, a display screen is installed on the outer wall of one side of the controller in an embedded mode, and the display screen is located on one side of the button.

Preferably, an insulating plate is mounted on the top of the housing.

Preferably, solid fixed ring is installed to one side inner wall of shell, and just gu fixed ring is located the top of installed part, temperature sensor is installed to solid fixed ring's inboard.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a copper pipe has been seted up, the louvre, the fan, the conducting strip, when low pressure power capacitor began the operation, the great heat can be emitted to the condenser, the heat of condenser passes through the conducting strip and transmits for the copper pipe, heat in the copper pipe outwards disperses through the louvre, the fan in the shell is opened to the electric power staff, the fan blows to the louvre, make the heat in the copper pipe volatilize with higher speed, the heat that gives off is through ventilative fence outside discharge, it is too much easily to have solved the heat and has caused insulating medium accelerated aging, the dielectric strength is reduced, cause the inside troubles such as local discharge breakdown that appear of condenser.

2. The utility model discloses a current transformer, circuit board, current port have been seted up, when the electric power staff used low pressure power capacitor, the inside current signal of current transformer detection capacitor showed the condenser operating current condition through the display screen, when unusual circumstances such as harmonic, surge appear, the circuit board passes through the current port and changes the condenser running state, reduces condenser operating current, protects the condenser, has effectively solved the condenser and has hardly detected operating current intensity, causes the problem of damage to the condenser when the electric current is unusual.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is an internal structural view of the present invention;

FIG. 3 is a perspective view of the copper tube of the present invention;

fig. 4 is a perspective view of the current transformer of the present invention.

In the figure: 1. a housing; 101. a fixing plate; 102. a fixing hole; 103. a ventilation fence; 104. a connecting port; 105. a controller; 106. pressing a key; 107. displaying; 2. an insulating plate; 3. a bracket; 301. a copper pipe; 302. heat dissipation holes; 303. a temperature detector; 304. a capacitor; 305. a heat conductive sheet; 306. a current transformer; 4. a mounting member; 401. a fan; 402. a fixing ring; 403. a temperature sensor; 5. a control box; 501. a circuit board; 502. a current port.

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 only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to 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 the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, 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, and for example, "connected" may be either fixedly connected or 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, fig. 2, and fig. 3, a low voltage power capacitor;

the shell comprises a shell 1, a group of fixing plates 101 are installed on the outer walls of two sides of the shell 1, fixing holes 102 are formed in the top of the fixing plates 101 in a penetrating mode, the shell 1 is installed at a selected installation position, electric workers screw fixing screws into the fixing holes 102 to fix the fixing plates 101, the shell 1 is fixed through the fixing plates 101, a ventilation fence 103 is formed in the outer wall of the front side of the shell 1 in a penetrating mode, the ventilation fence 103 discharges internal heat, a connecting port 104 is formed in the outer wall of the front side of the shell 1 in a penetrating mode, the connecting port 104 is located above the ventilation fence 103, the electric workers connect external leads into the connecting port 104, circuit loss from a power supply end to a power utilization end is reduced through operation of a low-voltage power capacitor, a controller 105 is installed on the outer wall of one side of the shell 1, the controller 105 is located above the fixing plates 101, keys 106 are installed on the outer wall of one side of the controller 105, and a display screen 107 is installed on the outer wall of one side of the controller 105 in an embedded mode, the display screen 107 is positioned at one side of the key 106, the insulating plate 2 is arranged at the top of the shell 1, the insulating plate 2 prevents the internal electrode of the capacitor 304 from being discharged and ignited to cause electric leakage, the inner side of the bottom of the shell 1 is provided with three brackets 3, the top of each bracket 3 is provided with a copper pipe 301 in a penetrating way, each bracket 3 provides stable support for the copper pipe 301, the outer wall of the surface of each copper pipe 301 is provided with a plurality of groups of heat dissipation holes 302 in a penetrating way, the inner side of each copper pipe 301 is provided with a temperature detector 303, the top of each bracket 3 is provided with the capacitor 304 in a penetrating way, the capacitor 304 is positioned at the inner side of the copper pipe 301, the outer wall of each capacitor 304 is provided with a plurality of groups of heat conducting fins 305, one end of each heat conducting fin 305 is connected with the inner wall of the copper pipe 301, the outer wall of the surface of the capacitor 304 is provided with a current transformer 306, the current transformer 306 is positioned at one side of the heat conducting fins 305, and two groups of mounting pieces 4 are arranged on the inner wall of one side of the shell 1, one side outer wall fixed mounting of installed part 4 has fan 401, installed part 4 is with fan 401 fixed mounting, when low voltage power capacitor began the operation, great heat can be emitted by condenser 304, condenser 304's heat transmits for copper pipe 301 through conducting strip 305, the heat in copper pipe 301 outwards disperses through louvre 302, power worker opens fan 401 in the shell 1, fan 401 blows to louvre 302, make the heat in copper pipe 301 volatilize with higher speed, the heat that disperses outwards discharges through ventilative fence 103, it is too much easy to cause insulating medium accelerated aging effectively to have solved the heat, reduce the dielectric strength, cause faults such as the inside partial discharge breakdown that appears of condenser 304.

Referring to fig. 1, fig. 2 and fig. 4, a low voltage power capacitor;

including shell 1, solid fixed ring 402 is installed to one side inner wall of shell 1, and solid fixed ring 402 is located the top of installed part 4, temperature sensor 403 is installed to solid fixed ring 402's inboard, thermodetector 303 carries out real time monitoring measurement to condenser 304 temperature, temperature sensor 403 reflects condenser 304 operating temperature state on display screen 107, close condenser 304 through button 106 when the temperature is too high, thereby realize the protection to condenser 304, control box 5 is installed to the other side inner wall of shell 1, circuit board 501 is installed to the inboard of control box 5, one side outer wall of control box 5 runs through and installs current port 502, when the electric power staff uses low pressure power capacitor, current transformer 306 detects condenser 304 internal current signal, show condenser 304 operating current condition through display screen 107, when the abnormal conditions such as harmonic appears, surge, circuit board 501 changes condenser 304 operating condition through current port 502, reduce condenser 304 operating current, protect condenser 304, condenser 304 has effectively solved condenser 304 and has hardly detected operating current intensity, cause the problem of damage to condenser 304 when the current is unusual.

The working principle is as follows: before using the device, whether the device affects the use or not is checked, when the worker needs to use the device, a fixing screw is screwed into the fixing hole 102 according to the needs of actual conditions, the fixing plate 101 is fixed, the shell 1 is fixed through the fixing plate 101, the power worker connects an external lead into the connecting port 104, and the circuit loss between a power supply end and a power utilization end is reduced through the work of the low-voltage power capacitor, the insulating plate 2 prevents the discharge and ignition of an internal electrode of the capacitor 304 to cause electric leakage, when the low-voltage power capacitor starts to operate, the capacitor 304 emits larger heat, the heat of the capacitor 304 is transferred to the copper pipe 301 through the heat conducting sheet 305, the heat in the copper pipe 301 is emitted outwards through the heat emitting holes 302, the power worker opens the fan 401 in the shell 1, the fan 401 blows to the heat emitting holes 302 to accelerate the volatilization of the heat in the copper pipe 301, the dissipated heat is discharged outwards through the ventilation fence 103, the problems that the insulation medium is easy to accelerate aging and reduce the insulation strength due to excessive heat, and faults such as partial discharge breakdown and the like occur in the capacitor 304 are effectively solved, the temperature detector 303 monitors and measures the temperature of the capacitor 304 in real time, the temperature sensor 403 reflects the working temperature state of the capacitor 304 on the display screen 107, the capacitor 304 is closed through the key 106 when the temperature is too high, so that the capacitor 304 is protected, when an electric power worker uses a low-voltage power capacitor, the current transformer 306 detects a current signal in the capacitor 304, the working current condition of the capacitor 304 is displayed through the display screen 107, when abnormal conditions such as harmonic waves, surges and the like occur, the circuit board 501 changes the running state of the capacitor 304 through the current port 502, reduces the working current of the capacitor 304, and protects the capacitor 304, the problem that the capacitor 304 is difficult to detect the working current intensity and is damaged when the current is abnormal is effectively solved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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. A low-voltage power capacitor comprising a housing (1), characterized in that: a set of fixed plate (101) is installed to the both sides outer wall of shell (1), three brackets (3) are installed to the bottom inboard of shell (1), the top of bracket (3) is run through and is installed copper pipe (301), the surperficial outer wall of copper pipe (301) is run through and has been seted up multiunit louvre (302), thermodetector (303) are installed to the inboard of copper pipe (301), condenser (304) are run through to install at the top of bracket (3), and condenser (304) are located the inboard of copper pipe (301), multiunit conducting strip (305) are installed to the outer wall of condenser (304), and the one end of conducting strip (305) is connected with the inner wall of copper pipe (301), current transformer (306) is installed to the surperficial outer wall of condenser (304), and current transformer (306) are located one side of conducting strip (305), two sets of installed parts (4) are installed to one side inner wall of shell (1), one side outer wall fixed mounting of installed part (4) has fan (401), control box (5) are installed to the opposite side inner wall of shell (1), circuit board (501) is installed to the inboard of control box (5), one side outer wall runs through and installs current port (502).

2. A low voltage power capacitor as claimed in claim 1, wherein: the top of the fixing plate (101) is provided with a fixing hole (102) in a penetrating way.

3. A low voltage power capacitor as claimed in claim 1, wherein: the front outer wall of the shell (1) penetrates through and is provided with a ventilation fence (103), the front outer wall of the shell (1) penetrates through and is provided with a connecting port (104), and the connecting port (104) is located above the ventilation fence (103).

4. A low voltage power capacitor as claimed in claim 1, wherein: the controller (105) is installed to one side outer wall of shell (1), and controller (105) are located the top of fixed plate (101).

5. A low voltage power capacitor as claimed in claim 4, wherein: the button (106) is installed to one side outer wall of controller (105), display screen (107) is installed in the embedding of one side outer wall of controller (105), and display screen (107) are located the one side of button (106).

6. A low voltage power capacitor as claimed in claim 1, wherein: and an insulating plate (2) is arranged at the top of the shell (1).

7. A low voltage power capacitor as claimed in claim 1, wherein: fixed ring (402) is installed to one side inner wall of shell (1), and fixed ring (402) are located the top of installed part (4), temperature sensor (403) are installed to the inboard of fixed ring (402).