Air insulation type switchgear
Technical Field
The utility model relates to a switch control equipment technical field especially relates to an air insulation type switchgear.
Background
The air switch is an electric appliance which is very important in a circuit and plays an important role in circuit protection, and the air switch is generally arranged in switch equipment for safety in the prior art;
the switch device in the prior art has the problem of poor heat dissipation effect, so that the switch device has the problem of performance reduction due to heat accumulation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air insulation type switchgear to solve the not good problem of switchgear heat dissipation among the prior art.
In order to achieve the above object, the present invention provides an air-insulated switchgear, including a cabinet, an air switch and a heat dissipation structure, wherein the air switch is disposed inside the cabinet, the heat dissipation structure is disposed outside the cabinet, and the heat dissipation structure is fixedly connected to the cabinet;
heat radiation structure includes radiator fan, air pipe and filter screen, radiator fan set up in air pipe's upside, air pipe then follows vertical direction setting, just air pipe with cabinet body fixed connection, the filter screen then set up in air pipe's upside, and with air pipe fixed connection.
The heat dissipation fan is used for ventilating in the ventilating duct, and the ventilating duct is used for cooling the inside of the cabinet body.
Air pipe is including heat dissipation copper and collection wind ring, the heat dissipation copper set up in air pipe is close to one side of the cabinet body, just the heat dissipation copper runs through air pipe with the cabinet body agrees with, collection wind ring is then followed air pipe's length extending direction sets up.
The heat exchange between the ventilation pipeline and the cabinet body is realized by utilizing the heat dissipation copper plate, and the wind energy in the ventilation pipeline is contacted with the heat dissipation copper plate as concentrated as possible by utilizing the wind collecting ring.
Radiator fan is including solid fixed ring and flabellum, gu fixed ring with air pipe fixed connection, just gu fixed ring set up in air pipe's upside, the flabellum then set up in gu fixed ring's inboard.
The fixing ring is used for connecting the heat radiation fan with the ventilation pipeline, and the fan blades are used for generating wind.
The cabinet body is provided with a matching groove, a sealing strip and a containing cavity, the containing cavity is arranged on the inner side of the cabinet body, the matching groove is arranged on one side of the cabinet body, the matching groove is matched with the heat dissipation copper plate, and the sealing strip is arranged at the joint of the matching groove and the heat dissipation copper plate.
The heat dissipation copper plate is placed by the fit groove, the sealing strip is used for improving the sealing performance of the cabinet body, and the containing cavity is used for placing the air switch.
The air switch comprises a shell body and a master switch, wherein the master switch is arranged on the outer side of the shell body and matched with the shell body, and the shell body is fixedly connected with the cabinet body and arranged on the inner side of the cabinet body.
The air switch is protected by the outer shell, and the circuit is protected by the main switch.
The master switch includes safety plug-in strip and interface unit, safety plug-in strip set up in master switch's center department, interface unit then set up in safety plug-in strip's upper and lower both sides, interface unit includes separation piece and elastic component, separation piece set up in interface unit's the outside, and with interface unit sliding connection, the elastic component then set up in separation piece with between the interface unit.
The interface unit of the air switch which is not used is prevented from being polluted by impurities by the blocking sheet, and the sealing effect of the blocking sheet is improved by the elastic sheet.
The separation piece has the contract board, stirs protruding and cooperation groove, the contract board with interface unit agrees with mutually, stir protruding then set up in the upside of contract board, the cooperation groove set up in one side of contract board, and with the elastic component agrees with.
Utilize stir the arch and be convenient for adjust the separation piece utilizes the contract board realizes the protection, utilizes the cooperation groove realizes right the regulation of contract board's removal route.
The elastic piece comprises a sliding support and an embedded elastic sheet, the sliding support is arranged on two sides of the embedded elastic sheet and is in sliding connection with the matching groove, one end of the embedded elastic sheet is fixedly connected with the interface unit, and the other end of the embedded elastic sheet is fixedly connected with the matching groove.
The sliding support and the embedded elastic sheet are matched with the conjunction plate for use, so that the conjunction plate can realize the isolation of impurities.
The utility model discloses an air insulation type switchgear utilizes radiator fan and air pipe's cooperation, through carrying out the heat exchange with the cabinet body to the realization is to the inside heat dissipation of switchgear, thereby effectively promotes the performance of switchgear in the use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic axial view of an air-insulated switchgear according to the present invention.
Fig. 2 is a schematic view of an internal axial measurement structure of an air-insulated switchgear according to the present invention.
Fig. 3 is a schematic diagram of a front cross-sectional structure of an airless switch of an air-insulated switchgear according to the present invention.
Fig. 4 is a schematic axial view of an air switch of an air-insulated switchgear according to the present invention.
Fig. 5 is a schematic axial view of an interface unit of an air-insulated switchgear according to the present invention.
1-cabinet body, 2-air switch, 3-heat dissipation structure, 11-conjunction groove, 12-sealing strip, 13-accommodating cavity, 21-outer shell, 22-main switch, 31-heat dissipation fan, 32-ventilation duct, 33-filter screen, 221-safety knife switch, 222-interface unit, 223-blocking piece, 224-elastic piece, 225-conjunction plate, 226-toggle bulge, 227-conjunction groove, 228-sliding support, 229-embedded elastic piece, 311-fixing ring, 312-fan blade, 321-heat dissipation copper plate and 322-wind collecting ring.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings.
Referring to fig. 1 to 5, the present invention provides an air-insulated switchgear, which includes a cabinet 1, an air switch 2 and a heat dissipation structure 3, wherein the air switch 2 is disposed inside the cabinet 1, the heat dissipation structure 3 is disposed outside the cabinet 1, and the heat dissipation structure 3 is fixedly connected to the cabinet 1;
heat radiation structure 3 includes radiator fan 31, air pipe 32 and filter screen 33, radiator fan 31 set up in air pipe 32's upside, air pipe 32 then sets up along vertical direction, just air pipe 32 with 1 fixed connection of the cabinet body, filter screen 33 then set up in air pipe 32's upside, and with air pipe 32 fixed connection.
The cabinet body 1 is used for protecting each subassembly, air switch 2 then is used for restriction and protection circuit, heat radiation structure 3 then is used for dispelling the heat to switchgear, radiator fan 31 be used for to 32 section of thick bamboo ventilations of air pipe to realize the heat dissipation, filter screen 33 then is used for avoiding impurity such as dust to get into air pipe 32 and attached to on the air pipe 32, and the influence heat dissipation.
The ventilation duct 32 comprises a heat dissipation copper plate 321 and a wind collection ring 322, the heat dissipation copper plate 321 is arranged on one side, close to the cabinet body 1, of the ventilation duct 32, the heat dissipation copper plate 321 penetrates through the ventilation duct 32 to be matched with the cabinet body 1, and the wind collection ring 322 is arranged along the length extension direction of the ventilation duct 32;
the heat dissipation fan 31 includes a fixing ring 311 and fan blades 312, the fixing ring 311 is fixedly connected with the ventilation duct 32, the fixing ring 311 is disposed on the upper side of the ventilation duct 32, and the fan blades 312 are disposed on the inner side of the fixing ring 311;
the cabinet body 1 is provided with a fitting groove 11, a sealing strip 12 and a containing cavity 13, the containing cavity 13 is arranged on the inner side of the cabinet body 1, the fitting groove 11 is arranged on one side of the cabinet body 1, the fitting groove 11 is fitted with the heat-radiating copper plate 321, and the sealing strip 12 is arranged at the joint of the fitting groove 11 and the heat-radiating copper plate 321.
Heat dissipation copper 321 utilizes the performance of copper self, thereby the realization is right the cabinet body 1 and with heat dissipation between the air pipe 32, wind collecting ring 322 then is used for blowing wind to heat dissipation copper 321, and solid fixed ring 311 then cooperates flabellum 312, thereby makes flabellum 312 can realize sending wind into the purpose of air pipe 32, agree with groove 11 then is used for the installation heat dissipation copper 321, closure strip 12 then is used for promoting heat dissipation copper 321 with the leakproofness of the cabinet body 1, holding chamber 13 then is used for placing air switch 2.
The air switch 2 comprises an outer shell 21 and a main switch 22, the main switch 22 is arranged on the outer side of the outer shell 21 and matched with the outer shell 21, and the outer shell 21 is fixedly connected with the cabinet body 1 and arranged on the inner side of the cabinet body 1;
the main switch 22 includes a safety knife 221 and an interface unit 222, the safety knife 221 is disposed at the center of the main switch 22, the interface unit 222 is disposed at the upper and lower sides of the safety knife 221, the interface unit 222 includes a blocking piece 223 and an elastic member 224, the blocking piece 223 is disposed at the outer side of the interface unit 222 and is slidably connected with the interface unit 222, and the elastic member 224 is disposed between the blocking piece 223 and the interface unit 222;
the blocking piece 223 is provided with a fitting plate 225, a toggle protrusion 226 and a matching groove 227, the fitting plate 225 is fitted with the interface unit 222, the toggle protrusion 226 is arranged on the upper side of the fitting plate 225, and the matching groove 227 is arranged on one side of the fitting plate 225 and is fitted with the elastic member 224;
the elastic member 224 includes a sliding support 228 and an embedded elastic sheet 229, the sliding support 228 is disposed at two sides of the embedded elastic sheet 229 and slidably connected to the matching groove 227, one end of the embedded elastic sheet 229 is fixedly connected to the interface unit 222, and the other end of the embedded elastic sheet 229 is fixedly connected to the matching groove 227.
The outer housing 21 is used for protecting the air switch 2, the main switch 22 is used for protecting the circuit, the safety knife 221 is used for protecting the circuit, the interface unit 222 is used for connecting a cable externally to connect the air switch 2 into the circuit, the blocking piece 223 is matched with the elastic piece 224, so that the interface unit 222 is in a closed state when not in use, so that the interface unit 222 cannot enter a magazine, so as to improve the safety of the air switch 2, the toggle protrusion 226 is used for conveniently moving the wedging plate 225, the wedging plate 225 is used for closing the interface unit 222, the matching groove 227 is used for providing a moving path for the wedging plate 225, the sliding support 228 is used for matching with the embedded elastic piece 229 to realize the promotion of the wedging plate 225, so that the wedging plate 225 is not in use, can be in a closed state.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.