CN2620362Y

CN2620362Y - Dry-capacitor

Info

Publication number: CN2620362Y
Application number: CN 03230946
Authority: CN
Inventors: 刘学贵; 严锡华
Original assignee: SHANGHAI ZHONGBEI ELECTROMECHANICAL EQUIPMENT CO Ltd
Current assignee: SHANGHAI ZHONGBEI ELECTROMECHANICAL EQUIPMENT CO Ltd
Priority date: 2003-05-07
Filing date: 2003-05-07
Publication date: 2004-06-09
Anticipated expiration: 2013-05-07

Abstract

Disclosed is a half-cylinder-shaped dry-type capacitor, which is composed of a capacitance body, a top cover, a rear cover and a base. Metal sheets are press fitted on both ends of the capacitance cores in the capacitance body; insulation sheets are provided between adjacent metal sheets of the capacitance cores; a metal rod passes through the center hole of each capacitance core and make the cores serially connected, then the serially connected capacitance cores are connected with the capacitance body shell and form an integrated whole. A hot-melt fuse mechanism is arranged on the back of the capacitance body; an external connection socket is arranged on the base, which is connected with the external wires through insert-connection mode. The utility model has the advantages of wiring convenience, good heat dissipation effect, high safety factor, and long-cycle, safe and stable operation.

Description

A kind of dry-type capacitor

Technical field

The utility model relates to a kind of capacitor, relates in particular to a kind of dry-type capacitor.

Background technology

For electric energy transmitting effectively, improve power factor, to use capacitor usually.The basic structure of existing capacitor is: top is bolt type line end, and the middle part is a capacitance body, and the bottom is a mounting and fixing support.The tightness degree of capacitor and aerial lug is related to the resistance of contact resistance, and can the size of resistance directly have influence on capacitor and normally move.Existing capacitor adopts bolt type line end and aerial lug, usually can not guarantee its tightness degree, and the resistance value that connects is also bigger, also exist defectives such as radiating effect is not good, cause partition capacitance device premature damage, even take place to have had a strong impact on the transmission of electric energy because of termination of insurance status capacitor bursting accident.

Summary of the invention

The purpose of this utility model is to provide that a kind of line is tight, contact resistance is little, the dry-type capacitor of vi have high safety.

The purpose of this utility model is achieved in that a kind of dry-type capacitor, comprises capacitance body, adorns a plurality of cylinder capacitance cores in capacitance body, in the capping of two ends up and down of each capacitance core gilding layer is arranged, and is characterized in:

Described capacitance body is the semicylinder shape, comprise semicylinder shape housing, the setting plane of this semi-cylindrical housing forms the back side of capacitance body, the a plurality of capacitance cores that are contained in the capacitance body are erect superimposed setting, the outer pressing of the gilding layer at the two ends up and down of each capacitance core has sheet metal, be provided with insulating trip between the sheet metal of each adjacent capacitor core, each capacitance core is connected into an integral body with Metallic rod by its cylinder center series connection and with semicylinder shape housing, the back side of capacitance body is provided with a plurality of sheet metal lead-out grooves and the hot melt insurance institution corresponding to each capacitance core, be pressed together on capacitance core up and down the sheet metal at two ends draw and contact continuous from corresponding metal sheet lead-out groove with corresponding hot melt insurance institution;

Also comprise top cover, bonnet and the base adaptive, be provided with a plurality of external connection jacks at the back side of base, in jack, be provided with the elastic clip socket with the semi-cylindrical capacitance body.

Above-mentioned dry-type capacitor, wherein, described hot melt insurance institution comprises the insurance base, cover the insurance slip lid that can horizontally slip and by the hot melt of insurance base and the clamping of insurance slip lid on the insurance base.

Above-mentioned dry-type capacitor, wherein, described insurance base comprises base plate, be located at the elongated slot of base plate one side, be located at the spring frame at base plate middle part, be located at the spring in the spring frame, be located at the clinohedral in spring frame left side, the jack mouth that is located at the spring frame left rear side is inserted in the cylinder in the hole, elongated slot and suitable connection of sheet metal lead-out groove that is located at the capacitance body back side, sheet metal passes the sheet metal lead-out groove and draws from this elongated slot setting, the inclined-plane of clinohedral tilts and is pressed on a side of hot melt to elongated slot middle part perpendicular to base plate, the right side of spring frame is a breach, and spring can stretch out from this breach.

Above-mentioned dry-type capacitor, wherein, described insurance slip lid comprises upper slide, be connected the clinohedral of upper slide one end below, be connected the spring block of upper slide other end below, be installed in the metal clip of spring block one side, be located at the chute on the upper slide, the inclined-plane of clinohedral tilts and is pressed on another side of hot melt to the place ahead of metal clip perpendicular to upper slide, spring block retaining on the breach of insurance base upper spring frame with length of spring compressed in spring frame, metal clip links to each other with the side clamping of the sheet metal that stretches out elongated slot, is located at the cylinder of insurance on the base and passes chute on the upper slide and will insure slip lid and link to each other with the insurance base and guarantee to insure slip lid and can insure the chute slip of base upper edge.

Above-mentioned dry-type capacitor, wherein, described hot melt is the cone that the two sides symmetry tilts, and the bottom surface of this taper hot melt is fitted on the risers of the sheet metal of drawing, and its two inclined side is respectively by insurance base and insurance slip lid clamping.

A kind of dry-type capacitor of the present utility model is owing to adopted sheet metal to replace the lead-in wire of prior art, enlarged contact area with gilding layer, reduced contact resistance, improved anti-shove ability and radiating effect, thereby can stop to cause the phenomenon of element premature damage owing to capacitance core, gilding layer, lead-in wire three loose contact.Owing on base, be provided with the plug-in type bus connection method, easy-to-connect be installed.Owing to adopted hot melt insurance institution, the effectively safe operation of capacitor for voltage protection and transmission line.

Description of drawings

By the description of following examples in conjunction with its accompanying drawing, can further understand the purpose of this utility model, concrete structure characteristics and advantage, wherein, accompanying drawing is:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the structural representation of the capacitance body in the utility model;

Fig. 3 is the structural representation of the base in the utility model;

Fig. 4 is the structural representation of the hot melt insurance institution in the utility model;

Fig. 5 is the plan structure schematic diagram of the insurance base in the hot melt insurance institution;

Fig. 6 is the plan structure schematic diagram of the insurance slip lid in the hot melt insurance institution;

Structural representation when Fig. 7 is the fusing of hot melt insurance institution.

Embodiment

See also Fig. 1, a kind of dry-type capacitor of the present utility model comprises semicylinder shape capacitance body 1 and adaptive with it top cover 2, bonnet 3 and base 4.

See also Fig. 2, capacitance body 1 of the present utility model comprises semicylinder shape housing 11 and erects the superimposed a plurality of cylinder capacitance cores 12 that are arranged in the housing, the capping of two ends up and down at each capacitance core 12 has gilding layer 121, pressing has sheet metal 122 outside gilding layer 121, be provided with insulating trip 123 between the sheet metal of each adjacent capacitor core, each capacitance core 121 usefulness Metallic rod 13 is connected with nut 14 by the series connection of its cylinder center and with semicylinder shape housing 11 and is fixed into an integral body, the setting plane of its semi-cylindrical housing 11 forms the back side 111 of capacitance body, 111 a plurality of sheet metal lead-out grooves 1111 and hot melt insurance institutions 14 (this figure is not shown) that are provided with corresponding to each capacitance core overleaf, sheet metal 122 is drawn and is contacted with corresponding hot melt insurance institution 14 from corresponding metal sheet lead-out groove 1111 and links to each other.

See also Fig. 3, the back side of base 4 of the present utility model is provided with a plurality of external connection jacks 41, is provided with elastic clip socket 42 in jack 41.

See also Fig. 4, the hot melt insurance institution 14 in the utility model comprises insurance base 141, insurance slip lid 142 and hot melt 143.Insurance slip lid 142 covers on insurance base 141 and can horizontally slip, and hot melt 143 is the cone that the two sides symmetry tilts, by insurance base and insurance slip lid clamping.

See also Fig. 5, insurance base 141 in the utility model comprises base plate 1411, be located at the elongated slot 1412 of base plate one side, be located at the spring frame 1413 at base plate middle part, be located at the spring 1414 in the spring frame, be located at the clinohedral 1415 in spring frame left side, be located at the jack 1416 and the cylinder 1417 that is inserted in the hole of spring frame left rear side, elongated slot and 1111 suitable connections of sheet metal lead-out groove that are located at the capacitance body back side, sheet metal 122 passes the sheet metal lead-out groove and draws from this elongated slot setting, the inclined-plane 14151 of clinohedral 1415 tilts perpendicular to base plate 1411 and to the middle part of elongated slot 1412, the right side of spring frame 1413 is a breach, and spring 1414 can stretch out from this breach.

See also Fig. 6, insurance slip lid 142 in the utility model comprises upper slide 1421, be connected upper slide one end below clinohedral 1422, be connected upper slide other end below spring block 1423, be installed in spring block one side metal clip 1424, be located at the chute 1425 on the upper slide, the inclined-plane 14221 of clinohedral 1422 tilts perpendicular to upper slide and to the place ahead of metal clip.

See also Fig. 4, cooperation is referring to Fig. 5, Fig. 6, Fig. 7, insurance base 141 in the utility model, when insurance slip lid 142 and hot melt 143 are combined, being located at the cylinder 1417 of insurance on the base 141 passes chute 1425 on the insurance slip lid 142 and will insure slip lid and link to each other with the insurance base and guarantee to insure slip lid and can insure the chute slip of base upper edge, the metal clip 1424 that is installed on the insurance slip lid 142 links to each other with the side clamping of the sheet metal 122 that stretches out elongated slot, the bottom surface of taper hot melt 143 is fitted on the sheet metal 122 of drawing, the two sides of taper hot melt 143 are fitted in the inclined-plane 14151 of the clinohedral on the insurance base respectively and insure on the inclined-plane 14221 of the clinohedral on the slip lid, and spring block 1423 retainings on the insurance slip lid are compressed in spring 1414 in the spring frame 1413 on the breach of insurance base upper spring frame.When hot melt 143 melted by heat; spring 1414 compression spring blocks 1423 retreat; making it drive metal clip 1424 mounted thereto retreats; after metal clip 1424 retreats into to a certain degree; the sheet metal 122 of clamping is emitted; disengaging contacts with sheet metal 122, thereby reaches power-off protection, as shown in Figure 7.

Claims

1, a kind of dry-type capacitor comprises capacitance body, adorns a plurality of cylinder capacitance cores in capacitance body, in the capping of two ends up and down of each capacitance core gilding layer is arranged, and it is characterized in that:

2, dry-type capacitor according to claim 1 is characterized in that: described hot melt insurance institution comprises the insurance base, cover the insurance slip lid that can horizontally slip and by the hot melt of insurance base and the clamping of insurance slip lid on the insurance base.

3, dry-type capacitor according to claim 2, it is characterized in that: described insurance base comprises base plate, be located at the elongated slot of base plate one side, be located at the spring frame at base plate middle part, be located at the spring in the spring frame, be located at the clinohedral in spring frame left side, be located at the jack and the cylinder that is inserted in the hole of spring frame left rear side, elongated slot and suitable connection of sheet metal lead-out groove that is located at the capacitance body back side, sheet metal passes the sheet metal lead-out groove and draws from this elongated slot setting, the inclined-plane of clinohedral tilts and is pressed on a side of hot melt to elongated slot middle part perpendicular to base plate, the right side of spring frame is a breach, and spring can stretch out from this breach.

4, according to claim 2 or 3 described dry-type capacitors, it is characterized in that: described insurance slip lid comprises upper slide, be connected the clinohedral of upper slide one end below, be connected the spring block of upper slide other end below, be installed in the metal clip of spring block one side, be located at the chute on the upper slide, the inclined-plane of clinohedral tilts and is pressed on another side of hot melt to the place ahead of metal clip perpendicular to upper slide, spring block retaining on the breach of insurance base upper spring frame with length of spring compressed in spring frame, metal clip links to each other with the side clamping of the sheet metal that stretches out elongated slot, is located at the cylinder of insurance on the base and passes chute on the upper slide and will insure slip lid and link to each other with the insurance base and guarantee to insure slip lid and can insure the chute slip of base upper edge.

5, dry-type capacitor according to claim 2, it is characterized in that: described hot melt is the cone that the two sides symmetry tilts, the bottom surface of this taper hot melt is fitted on the risers of the sheet metal of drawing, and its two inclined side is respectively by insurance base and insurance slip lid clamping.