CN204349322U - A kind of intelligent electric power gas-insulated switchgear - Google Patents

Abstract

The utility model discloses a kind of intelligent electric power gas-insulated switchgear, comprise housing and low-voltage compartment, described low-voltage compartment is disposed adjacent with housing; Main bus compartment, transfer bus compartment, load side compartment, airtight breaker compartment, the first gas passage, the second gas passage is provided with in described housing; Described main bus compartment, transfer bus compartment and load side compartment are all connected with airtight breaker compartment; The first motor drive unit and the second motor drive unit is provided with in described low-voltage compartment.The utility model structure is provided with in exhaust apparatus the passage producing hot gas, is provided with breaker unit in airtight breaker compartment, and described breaker unit can slide extraction from switchgear, does not need deenergization, release insulating gas when needs maintenance or maintenance.

Description

An intelligent power gas insulated switchgear

technical field

The utility model relates to power equipment, in particular to an intelligent power gas insulated switchgear.

Background technique

Traditional gas-insulated switchgear includes a circuit breaker unit, a current conversion unit, and a cable terminal, which are located in a closed container device filled with insulating gas. When the circuit breaker needs to be repaired or overhauled The power supply must be disconnected and the insulating gas in the airtight container must be released.

Utility model content

In view of the above problems, the problem to be solved by this utility model is to provide a switchgear that does not need to disconnect the power supply and release insulating gas when the circuit breaker needs to be overhauled or repaired.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is an intelligent power gas-insulated switchgear, the gas-insulated switchgear includes a housing and a low-voltage compartment, and the low-voltage compartment is adjacent to the housing; the The housing is provided with a main busbar compartment, a transfer busbar compartment, a load end compartment, an airtight circuit breaker compartment, a first gas channel, and a second gas channel, and the first motor drive unit is provided in the low-voltage compartment and a second motor drive unit.

Preferably, the main busbar compartment is provided with a main busbar unit, a first three-position switch and a first conductor, and the main busbar unit is connected to the first three-position switch, and the first three-position switch is connected to the first three-position switch The motor drive unit is connected; the output terminal of the first three-position switch is connected to the second conductor in the closed circuit breaker compartment through the first conductor.

As a preference, the transfer bus compartment is provided with a conversion main bus unit, a second three-position switch and a third conductor; the conversion main bus unit is connected to the second three-position switch, and the second three-position switch The output is connected to a third conductor; said third conductor is connected to a second conductor in the enclosed circuit breaker compartment.

Preferably, the third conductor is connected to the conversion conductive bus bar of the load end compartment through the fourth conductor.

As a preference, the load end compartment is provided with a third three-position switch, a converter unit, a conversion conductive bus, and a main conductive bus, and the converter unit and the main conductive bus are connected to the conversion conductive bus; the third The output end of the three-position switch is connected to the main conductive bus, the other end of the third three-position switch is connected to the fifth conductor in the closed circuit breaker compartment through the sixth conductor; the converter unit is connected to the cable end.

Preferably, a second conductor, a circuit breaker unit, a conductive strip, an insulating column, a third sliding terminal and a fourth sliding terminal are arranged in the closed circuit breaker compartment; the conductive strip is connected to the second conductor and connected to the second The conductor extends rearwardly, and the far end of the conductive strip is bent downward and fixed on the insulating post; the insulating post is fixed on the rear wall of the closed circuit breaker compartment; the third sliding terminal is fixed on the end of the conductive strip.

Preferably, the circuit breaker unit is provided with a first sliding terminal, a second sliding terminal and a circuit breaker driving unit; the circuit breaker driving unit is located outside the closed circuit breaker compartment.

Preferably, the front of the third sliding terminal is horizontally aligned with the first sliding terminal on the circuit breaker unit.

Preferably, the fourth sliding terminal is located on the fifth conductor, and the front is horizontally aligned with the second sliding terminal on the circuit breaker unit.

Preferably, said fifth conductor is located at the bottom end of the closed circuit breaker compartment.

Preferably, the first gas channel is located between the main busbar compartment and the transfer busbar compartment; the second gas channel is set adjacent to the rear wall of the load end compartment; the first gas channel and the second gas channel It is used to exhaust the hot air generated by the various components in the equipment.

Preferably, the main busbar compartment, transfer busbar compartment and load end compartment are filled with insulating gas.

Preferably, the first conductor, the second conductor, the third conductor, the fourth conductor, the fifth conductor and the sixth conductor are all conductors with airtight insulating bushings.

The utility model has the beneficial effect that the structure of the utility model adopts a sliding terminal structure, and when the circuit breaker unit needs to be overhauled or repaired, it can be independently drawn out from the switchgear without cutting off the circuit and releasing insulating gas.

Description of drawings

Fig. 1 is a schematic side view of the structure of the utility model

Among them, gas insulated switchgear 100, housing 102, low-voltage compartment 103, main busbar compartment 110, main busbar unit 112, first three-position switch 114a, second three-position switch 114b, third three-position switch 114c, third three-position switch 114c, A motor drive unit 115a, a second motor drive unit 115c, a first conductor 116a, a second conductor 116b, a third conductor 117a, a fourth conductor 117b, a fifth conductor 118a, a sixth conductor 118b, a transfer bus compartment 120, Conversion main bus unit 122, load end compartment 130, sealed circuit breaker compartment 140, circuit breaker unit 142, circuit breaker drive unit 144, converter unit 150, cable terminal 160, conversion conductive bus 170, main conductive bus 180, second A gas channel 190, a second gas channel 192, a conductive strip 202, an insulating post 203, and a third sliding terminal 204

Fig. 2 is another schematic view of the structure of the utility model

Among them, the main busbar compartment 110, the main busbar unit 112, the first three-position switch 114a, the second three-position switch 114b, the third three-position switch 114c, the first motor drive unit 115a, the second motor drive unit 115c, the transfer Bus compartment 120, conversion main bus unit 122, load end compartment 130, airtight circuit breaker compartment 140, circuit breaker unit 142, circuit breaker drive unit 144, converter unit 150, cable terminal 160, conversion conductive bus 170, main Electric bus bar 180, first gas channel 190, second gas channel 192, first sliding terminal 200, second sliding terminal 201, conductive strip 202, insulating post 203, third sliding terminal 204, fourth sliding terminal 205

Figure 3 is an enlarged schematic diagram of the utility model circuit breaker structure

Among them, the circuit breaker unit 142, the circuit breaker drive unit 144

Detailed ways

In conjunction with the accompanying drawings, the structure of the utility model is further described.

An intelligent power gas-insulated switchgear, the gas-insulated switchgear 100 includes a housing 102 and a low-voltage compartment 103, the low-voltage compartment 103 is arranged adjacent to the housing 102; the housing 102 is provided with a main busbar compartment 110, transfer bus compartment 120, load end compartment 130, airtight circuit breaker compartment 140, first gas channel 190, second gas channel 192; the main bus compartment 110, transfer bus compartment 120 and load The end compartments 130 are all connected to the closed circuit breaker compartment 140; the low voltage compartment 103 is provided with a first motor drive unit 115a and a second motor drive unit 115c.

Further, the main bus compartment 110 is provided with a main bus unit 112, a first three-position switch 114a and a first conductor 116a, and the main bus unit 112 is connected to the first three-position switch 114a, and the first The three-position switch 114a is connected to the first motor driving unit 115a.

Further, the conversion main bus unit 122, the second three-position switch 114b and the third conductor 117a are arranged in the transfer bus compartment 120; the conversion main bus unit 122 is connected to the second three-position switch 114b, and the The output end of the second three-position switch 114b is connected to the third conductor 117a.

Further, the load end compartment 130 is provided with a third three-position switch 114c, a fourth conductor 117b, a sixth conductor 118b, a converter unit 150, a cable terminal 160, a conversion conductive bus bar 170, and a main conductive bus bar 180. Both the conversion unit 150 and the main conductive bus 180 are connected to the conversion conductive bus 170 ; the output end of the third three-position switch 114 c is connected to the main conductive bus 180 , and the conversion unit 150 is connected to the cable terminal 160 .

Further, the third three-position switch 114c is connected with the second motor driving unit 115c.

Further, the sealed circuit breaker compartment 140 is provided with a second conductor 116b, a circuit breaker unit 142, a conductive strip 202, an insulating column 203, a third sliding terminal 204, and a fourth sliding terminal 205; the conductive strip 202 and The second conductor 116b is connected and extends backwards, and the distal end of the conductive strip 202 is bent downwards and fixed on the insulating column 203; the insulating column 203 is fixed on the rear wall of the closed circuit breaker compartment 140; the third sliding Terminal 204 is secured to the end of conductive strip 202 .

Further, the circuit breaker unit 142 is provided with a first sliding terminal 200 , a second sliding terminal 201 and a circuit breaker driving unit 144 ; the circuit breaker driving unit 144 is located outside the closed circuit breaker compartment 140 .

Further, the front of the third sliding terminal 204 is horizontally aligned with the first sliding terminal 200 on the circuit breaker unit 142 .

Further, the fourth sliding terminal 205 is located on the fifth conductor 118 a, and its front side is horizontally aligned with the second sliding terminal 201 on the circuit breaker unit 142 .

Further, the first sliding terminal 200 is located on the second sliding terminal 201 .

Further, the fifth conductor 118a is located at the bottom of the closed circuit breaker compartment 140 .

Further, the output end of the first three-position switch 114a is connected to the second conductor 116b in the closed circuit breaker compartment 140 through the first conductor 116a.

Further, the third conductor 117a is connected to the second conductor 116b in the airtight circuit breaker compartment 140 , and is connected to the switching conductive bus bar 170 of the load end compartment 130 through the fourth conductor 117b .

Further, the other end of the third three-position switch 114c is connected to the fifth conductor 118a in the closed circuit breaker compartment 140 through the sixth conductor 118b.

Further, the first gas channel 190 is located between the main bus compartment 110 and the transfer bus compartment 120; the second gas channel 192 is adjacent to the rear surface of the load end compartment 130; the first gas channel 190 And the second gas channel 192 is used to discharge the hot gas generated by each component in the equipment.

Further, the first conductor 116a, the second conductor 116b, the third conductor 117a, the fourth conductor 117b, the fifth conductor 118a and the sixth conductor 118b are all conductors with airtight insulating linings.

Further, the main busbar compartment 110 , the transfer busbar compartment 120 and the load end compartment 130 are filled with insulating gas.

Claims (8)

1. an intelligent electric power gas-insulated switchgear, comprises housing and low-voltage compartment, it is characterized in that: described low-voltage compartment is disposed adjacent with housing; Main bus compartment, transfer bus compartment, load side compartment, airtight breaker compartment, the first gas passage, the second gas passage is provided with in described housing; Described main bus compartment, transfer bus compartment and load side compartment are all connected with airtight breaker compartment; The first motor drive unit and the second motor drive unit is provided with in described low-voltage compartment; Described first gas passage is between main bus compartment and transfer bus compartment; The rear surface of described second gas passage next-door neighbour load side compartment is arranged.

2. a kind of intelligent electric power gas-insulated switchgear according to claim 1, is characterized in that: be provided with the second conductor, the 5th conductor, breaker unit, conductive strips, insulated column, the 3rd slip terminal and the 4th slip terminal in described airtight breaker compartment; Described conductive strips are connected with the second conductor, extend after the second conductor, and described conductive strips distal end portion is bent downwardly and is fixed on insulated column; Described insulated column is fixed on the rear wall of airtight breaker compartment; Described 3rd slip terminal is fixed on the end of conductive strips; Described breaker unit is provided with the first slip terminal, the second slip terminal and circuit breaker driver element; Described circuit breaker driver element is positioned at outside airtight breaker compartment.

3. a kind of intelligent electric power gas-insulated switchgear according to claim 2, is characterized in that: the front of described 3rd slip terminal is aimed at the first slip end level on breaker unit; Described 4th slip terminal is positioned on the 5th conductor, and front is aimed at the second slip end level on breaker unit.

4. a kind of intelligent electric power gas-insulated switchgear according to claim 2, it is characterized in that: in described main bus compartment, be provided with main bus bar unit, the first three-position switch and the first conductor, described main bus bar unit is all connected with the first three-position switch, and described first three-position switch is connected with the first motor drive unit; The output of described first three-position switch is connected with the second conductor in airtight breaker compartment by the first conductor.

5. a kind of intelligent electric power gas-insulated switchgear according to claim 2, is characterized in that: be provided with conversion main bus bar unit, the second three-position switch and the 3rd conductor in described transfer bus compartment; Described conversion main bus bar unit is connected with the second three-position switch, and the output of described second three-position switch is connected with the 3rd conductor; Described 3rd conductor is connected with the second conductor in airtight breaker compartment.

6. a kind of intelligent electric power gas-insulated switchgear according to claim 2, it is characterized in that: be provided with the 3rd three-position switch, the 4th conductor, the 6th conductor, current transforming unit, conversion busbar, dominant electric bus in described load side compartment, described current transforming unit and dominant electric bus are all connected with conversion busbar; The output of described 3rd three-position switch is connected with dominant electric bus, and the other end of described 3rd three-position switch is connected with the 5th conductor in airtight breaker compartment by the 6th conductor; Described current transforming unit is connected with cut cable.

7. a kind of intelligent electric power gas-insulated switchgear according to claim 6, is characterized in that: described 3rd conductor is connected with the conversion busbar of load side compartment by the 4th conductor.

8. a kind of intelligent electric power gas-insulated switchgear according to claim 6, is characterized in that: described 3rd three-position switch is connected with the second motor drive unit.