CN215933386U

CN215933386U - Automatic circuit breaking protection device of explosion-proof combined capacitor

Info

Publication number: CN215933386U
Application number: CN202122151260.7U
Authority: CN
Inventors: 张嘉欣
Original assignee: Shenzhen Anshang Security Technology Co ltd
Current assignee: Shenzhen Anshang Security Technology Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-03-01
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses an automatic circuit breaking protection device of an explosion-proof combined capacitor, which comprises a power supply block, wherein the front end of the power supply block is fixedly connected with a connecting block, the left part and the right part of the front end of the connecting block are fixedly connected with a first contact point, the other end of a second circuit is fixedly connected with a protection device, the lower end of the power supply block is fixedly connected with a protection shell, the upper part of the inner shell wall of the protection shell is slidably connected with a covering device, the front end and the rear end of the protection shell are respectively provided with a plurality of ventilation openings, the middle part of the right end of the protection shell is fixedly connected with a heat dissipation device, and four corners of the lower end of the protection shell are respectively and fixedly connected with supporting columns. According to the automatic circuit-breaking protection device for the explosion-proof combined capacitor, the shielding device and the heat dissipation device are arranged on the whole device, so that the influence and damage of dust accumulated for a long time on the capacitor main body can be prevented, the internal temperature can be maintained in a normal range, and the service life of the device is prolonged.

Description

Automatic circuit breaking protection device of explosion-proof combined capacitor

Technical Field

The utility model relates to the technical field of capacitor protection, in particular to an automatic circuit breaking protection device for an explosion-proof combined capacitor.

Background

The capacitor is an element capable of storing electric charge, and is one of the most commonly used electronic elements, in a direct current circuit, the capacitor is equivalent to an open circuit, in an alternating current circuit, because the direction of current changes with a certain functional relation with time, and the charging and discharging processes of the capacitor have time, at this time, a changing electric field is formed between polar plates, and the electric field also changes with time, actually, the current passes through the capacitor in the form of the electric field, 1, the existing explosion-proof combined capacitor is generally exposed and installed outside, and a large amount of dust is accumulated due to long-time exposure to the external environment, so that certain damage can be caused to the explosion-proof combined capacitor; 2. when the existing explosion-proof combined capacitor is used for a long time, due to the fact that the temperature rises, a circuit is easy to short circuit and catch fire, certain potential safety hazards exist, and the service life of the explosion-proof combined capacitor is influenced; therefore, a novel automatic circuit breaking protection device for the explosion-proof combined capacitor is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an automatic circuit breaking protection device of an explosion-proof combined capacitor, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides an automatic protection device that opens circuit of explosion-proof combined capacitor, includes the power piece, the front end fixedly connected with connecting block of power piece, the front end left part and the equal fixedly connected with contact point in front end right part of connecting block, two the front end difference fixedly connected with of contact point is a circuit and No. two circuit, the other end fixedly connected with protector on No. two circuit, the lower extreme fixedly connected with protective housing of power piece, the inner shell wall upper portion sliding connection of protective housing has the covering device, a plurality of vent has all been opened to the front end and the rear end of protective housing, the right-hand member middle part fixedly connected with heat abstractor of protective housing, the equal fixedly connected with support column in lower extreme four corners of protective housing.

Preferably, the protection device includes the capacitor body, the upper end middle part fixedly connected with temperature sensor of capacitor body, the upper end front portion and the No. two contact points of upper end rear portion fixedly connected with of capacitor body, No. two contact points are provided with threely, No. three circuit and connecting wire of series connection between the adjacent of No. two contact points, the connecting wire is provided with two, the common fixedly connected with LED lamp of connecting wire other end, capacitor body fixed connection is in the inferior valve wall right part of protective housing.

Preferably, heat abstractor includes driver and protecting crust, the output of driver runs through protecting crust and fixedly connected with pivot, the outer fixed surface of pivot is connected with a plurality of flabellum, driver fixed connection is in the right-hand member middle part of protecting crust, protecting crust fixed connection is at the right-hand member of protective housing.

Preferably, the covering device comprises a shielding plate, the upper end left part and the upper end right part of the shielding plate are fixedly connected with dust screens, the right end middle part of the shielding plate is fixedly connected with a handle, and the shielding plate is connected in the sliding groove in a sliding mode.

Preferably, two the dust screen is left right structure symmetric distribution, and two dust screens all are honeycomb type structure.

Preferably, the driver is electrically connected with the temperature sensor, and the fan blades are not in contact with the inner wall of the protective shell.

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

1. according to the utility model, the shielding device is arranged on the whole device, the shielding plate is slidably arranged in the protective shell, the handle is arranged, the opening and the closing are convenient, the maintenance is facilitated, the two dustproof nets are arranged, and the honeycomb-shaped structure design is adopted for the two dustproof nets, so that the phenomenon that dust is adsorbed on the outer surface of the capacitor main body after long-time use can be avoided, and the influence and the damage of the dust accumulated for a long time on the capacitor main body can be prevented.

2. Through set up heat abstractor on whole device, utilize the output effect of driver to make a plurality of flabellum in the pivot rotate, cooperate by a plurality of flabellum and a plurality of vent, dispel the heat to the condenser main part, guarantee that inside temperature can maintain at normal scope, improved the life of device.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an automatic circuit breaking protection device for an explosion-proof combined capacitor according to the present invention;

FIG. 2 is a schematic diagram of the overall structure of a protection device of an automatic circuit breaking protection device of an explosion-proof combined capacitor according to the present invention;

FIG. 3 is a schematic diagram of the overall structure of a heat dissipation device of an automatic circuit breaking protection device for an explosion-proof combined capacitor according to the present invention;

fig. 4 is a schematic connection diagram of a cover device of an automatic circuit breaking protection device of an explosion-proof combined capacitor according to the present invention.

In the figure: 1. a protective shell; 2. a power supply block; 3. connecting blocks; 4. a first line; 5. a first contact point; 6. a second line; 7. a guard; 8. a support pillar; 10. a covering device; 11. a chute; 12. a heat sink; 13. a vent; 71. a capacitor body; 72. an LED lamp; 73. a second contact point; 74. a third line; 75. a temperature sensor; 76. a connecting wire; 121. a driver; 122. a protective shell; 123. a rotating shaft; 124. a fan blade; 101. a handle; 102. a dust screen; 103. a shutter.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

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.

As shown in fig. 1-4, an automatic circuit breaking protection device for an explosion-proof combined capacitor comprises a power block 2, a connecting block 3 is fixedly connected to the front end of the power block 2, a first contact point 5 is fixedly connected to the left portion of the front end and the right portion of the front end of the connecting block 3, a first line 4 and a second line 6 are fixedly connected to the front ends of the first contact points 5 respectively, a protection device 7 is fixedly connected to the other end of the second line 6, a protective shell 1 is fixedly connected to the lower end of the power block 2, a covering device 10 is slidably connected to the upper portion of the inner shell wall of the protective shell 1, a plurality of ventilation openings 13 are formed in the front end and the rear end of the protective shell 1, a heat dissipation device 12 is fixedly connected to the middle portion of the right end of the protective shell 1, and support columns 8 are fixedly connected to four corners of the lower end of the protective shell 1.

The protection device 7 comprises a capacitor main body 71, a temperature sensor 75 is fixedly connected to the middle of the upper end of the capacitor main body 71, the temperature in the protective shell 1 is measured, two contact points 73 are fixedly connected to the front portion and the rear portion of the upper end of the capacitor main body 71, three contact points 73 are arranged, a three-line 74 and a connecting line 76 are connected between the two adjacent contact points 73 in series, two connecting lines 76 are arranged, an LED lamp 72 is fixedly connected to the other end of each connecting line 76, the LED lamp 72 can be lightened due to short circuit of the output end of the two-line 6, and the capacitor main body 71 is fixedly connected to the right portion of the lower shell wall of the protective shell 1; the heat dissipation device 12 comprises a driver 121 and a protective shell 122, an output end of the driver 121 penetrates through the protective shell 122 and is fixedly connected with a rotating shaft 123, a plurality of fan blades 124 are fixedly connected to the outer surface of the rotating shaft 123, the driver 121 is fixedly connected to the middle of the right end of the protective shell 122, and the protective shell 122 is fixedly connected to the right end of the protective shell 1; the covering device 10 comprises a shielding plate 103, the left part and the right part of the upper end of the shielding plate 103 are fixedly connected with a dust screen 102, the middle part of the right end of the shielding plate 103 is fixedly connected with a handle 101, the handle 101 is arranged to facilitate opening and closing and provide convenience for maintenance, and the shielding plate 103 is slidably connected in a sliding groove 11; the two dust screens 102 are symmetrically distributed in a left-right structure, and the two dust screens 102 are both in a honeycomb structure; dust can be prevented from being adsorbed on the outer surface of the capacitor main body 71 after long-time use, the driver 121 is electrically connected with the temperature sensor 75, when the temperature in the protective shell 1 is too high, the temperature sensor 75 controls the driver 121 to be started, the output end of the driver 121 is utilized, and therefore the plurality of fan blades 124 on the rotating shaft 123 rotate, the plurality of fan blades 124 are not in contact with the inner shell wall of the protective shell 1, scratching and damage to equipment are avoided.

It should be noted that, the utility model is an explosion-proof combined capacitor automatic open circuit protection device, when in use, the power block 2 is powered on, the output voltage measured when the first line 4 and the second line 6 are normal is the power voltage, the output end of the second line 6 is short-circuited to light the LED lamp 72, which indicates that the current flows through the second contact point 73 and the LED lamp 72, thereby avoiding the problem of too large short-circuit current of the capacitor main body 71, so as to protect the power block 2, when the temperature in the protective shell 1 is too high, the temperature sensor 75 controls the start-up driver 121, the output end of the driver 121 is utilized to rotate the plurality of fan blades 124 on the rotating shaft 123, the plurality of fan blades 124 are matched with the plurality of ventilation openings 13 to dissipate the heat of the capacitor main body 71, thereby ensuring that the internal temperature can be maintained in a normal range, the shielding plate 103 is slidably installed in the protective shell 1, set up handle 101, be convenient for open and close, for overhauing providing convenience, install two dust screens 102, and two dust screens 102 are honeycomb type structural design, can avoid long-time use back dust can adsorb on condenser main part 71's surface, can prevent that the dust of long-time accumulation from leading to the fact influence and damage to condenser main part 71, whole device simple structure, strong adaptability is favorable to explosion-proof combination condenser automatic circuit breaker protection device's use.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an explosion-proof combined capacitor automatic circuit breaking protection device, includes power supply block (2), its characterized in that: the front end fixedly connected with connecting block (3) of power piece (2), the front end left part and the equal fixedly connected with in front end right part of connecting block (3) contact point (5), two the front end difference fixedly connected with of contact point (5) is circuit (4) and No. two circuit (6), the other end fixedly connected with protector (7) of No. two circuit (6), the lower extreme fixedly connected with protective housing (1) of power piece (2), the inner shell wall upper portion sliding connection of protective housing (1) has covering device (10), a plurality of vent (13) have all been opened to the front end and the rear end of protective housing (1), the right-hand member middle part fixedly connected with heat abstractor (12) of protective housing (1), the equal fixedly connected with support column (8) in lower extreme four corners of protective housing (1).

2. An explosion-proof combined capacitor automatic circuit breaking protection device according to claim 1, characterized in that: protector (7) include capacitor body (71), upper end middle part fixedly connected with temperature sensor (75) of capacitor body (71), the upper end front portion and the upper end rear portion fixedly connected with No. two contact points (73) of capacitor body (71), No. two contact points (73) are provided with threely, No. three circuit (74) and connecting wire (76) of series connection between the adjacent of No. two contact points (73), connecting wire (76) are provided with two, the common fixedly connected with LED lamp (72) of connecting wire (76) other end, capacitor body (71) fixed connection is in the inferior valve wall right part of protective housing (1).

3. An explosion-proof combined capacitor automatic circuit breaking protection device according to claim 1, characterized in that: heat abstractor (12) includes driver (121) and protecting crust (122), the output of driver (121) runs through protecting crust (122) and fixedly connected with pivot (123), the external fixed surface of pivot (123) is connected with a plurality of flabellum (124), driver (121) fixed connection is in the right-hand member middle part of protecting crust (122), protecting crust (122) fixed connection is at the right-hand member of protective housing (1).

4. An explosion-proof combined capacitor automatic circuit breaking protection device according to claim 1, characterized in that: the covering device (10) comprises a shielding plate (103), the upper end left part and the upper end right part of the shielding plate (103) are fixedly connected with a dust screen (102), the right end middle part of the shielding plate (103) is fixedly connected with a handle (101), and the shielding plate (103) is slidably connected in a sliding groove (11).

5. An explosion-proof combined capacitor automatic circuit breaking protection device according to claim 4, characterized in that: the two dust screens (102) are symmetrically distributed in a left-right structure, and the two dust screens (102) are both in a honeycomb structure.

6. An explosion-proof combined capacitor automatic circuit breaking protection device according to claim 3, characterized in that: the driver (121) is electrically connected with the temperature sensor (75), and the fan blades (124) are not in contact with the inner shell wall of the protective shell (1).