CN106410617B - A kind of bus duct power supply system - Google Patents

Abstract

The invention provides a busway power supply system, which includes a busway body, a plug box that conducts output current with the busway body, and a circuit breaker that controls the circuit breaker of the power supply system. ”-shaped housing and an insulating bracket placed in the housing and connected to one side thereof, a conductive row is arranged in the insulating bracket; a conductive seat for contacting and conducting with the conductive row in the insulating bracket is also installed in the housing, The circuit breaker is fixed on the conductive base and electrically connected with it; the circuit breaker is electrically connected with the power supply box. The busway and the conductive seat of the present invention are in contact with each other to realize the power supply in the busway power supply system, and the structure is novel; it is convenient to use; when in use, the conductive row and the conductive seat can be turned on; when disconnected, the conductive row and the conductive seat Just separate. The electrical connection between the plug box and the bus duct body can be done through a circuit breaker; the design of the conductive seat and the position of the circuit breaker make the installation between the plug box and the bus duct easier.

Description

A bus duct power supply system

technical field

The invention relates to the field of power supply equipment in power transmission, in particular to a bus duct power supply system.

Background technique

With the emergence of modern engineering facilities and equipment, the power consumption of all walks of life is increasing rapidly, especially the emergence of many high-rise buildings and large workshops. The traditional cables used as power transmission wires can no longer meet the requirements in large current transmission systems. The parallel use of multiple cables brings a lot of inconvenience to the site installation and construction connection.

In the face of huge loads requiring hundreds of thousands of amperes of strong current, it is necessary to choose safe and reliable conduction equipment. The busway is a power distribution device for efficient current transmission, especially to meet the needs of economical and reasonable wiring of increasingly taller buildings and large-scale factories.

The traditional busway power supply system includes a power supply box connected to the busway and a plug-in box connected to the busway to conduct output current; the existing plug-in box and the busway are connected by conductors placed in the busway and The plug joint connected with the plug-in box is in contact with conduction to achieve the purpose of output current.

The existing bus duct and the plug-in box are connected by a plug connector, and one section of the plug connector is located in the bus duct and the other end is connected to the plug-in box; when in use, turn the plug connector so that the conductive claw on the plug connector and the conductor in the bus duct The contact connection is turned on; after use, rotate the plug connector to dislocate the conductive claw and the conductor to cut off the power. The installation process between the existing busway and the plug box is complicated; the processing of the conductors, plug joints and conductive claws used in conjunction with each other is complicated and the processing cost is high.

Contents of the invention

In view of the deficiencies in the prior art, the purpose of the present invention is to provide a busway power supply system, which solves the inconvenience of installation between the existing busway and the plug-in box, the complicated processing of conductors, plug connectors, and conductive claws, and the processing cost. high technical problems.

To achieve the above object, the present invention adopts the following technical solutions:

A bus duct power supply system, including a bus duct body, a plug box that conducts output current with the bus duct body, and a circuit breaker that is electrically connected to the plug box to control the on-off of the power supply system circuit. The bus duct body includes a housing and An insulating bracket placed in the housing and connected to one side thereof, a conductive row is arranged in the insulating bracket; a conductive seat for contacting and conducting with the conductive row in the insulating bracket is also installed in the housing, and the circuit breaker is fixed on and electrically connected to the conductive base.

Preferably, the conductive seat includes a base and a copper busbar placed on the base, an elastic member is arranged between the base and the copper busbar; when in use, the copper busbar and the conductor are contacted by the elastic force of the elastic member conduction.

Specifically, the conductive seat is fixed in the housing through a fixing frame, and the fixing bracket includes a fixing slot whose height matches the housing and a slot cover detachably connected to it; the bottom of the fixing slot is fixed and insulated from the inside of the housing The sides of the bracket are parallel, the conductive seat is fixed on the bottom of the fixing groove, and the bottom of the groove is provided with a through hole for the copper busbar to pass through, and the conductive seat is connected with the switch button passing through the slot cover.

Furthermore, the housing has a “匚”-shaped structure with an opening on one side, and a detachable side plate is provided on the opening side; After the shell is installed, a notch is formed at one end of the shell; the notch is used for installing the fixing frame.

In addition, the inner surfaces of the two sides of the casing perpendicular to the sides where the insulating brackets are installed are provided with fixing structures for installing the insulating brackets.

Further, the fixing structure includes a first fixing structure for inserting the insulating bracket along the end of the tank body.

Furthermore, a second fixing structure for inserting the insulating support along the end of the tank is provided on the inner surface of the housing connected to the side of the insulating support.

Furthermore, a position corresponding to the first fixing structure on the insulating support is provided with a matching first connection structure, and a position corresponding to the second fixing structure on the insulating support is provided with a second connecting structure matching it. Structure; in use, the insulating bracket and the tank are connected and fixed through the first fixing structure, the second fixing structure, the first connecting structure, and the second connecting structure.

Furthermore, the insulating bracket includes a plurality of accommodation slots in an integrated structure, each of which has a notch for the copper busbar to pass through; the direction of the notch is consistent with the side opening of the slot body; The position of the groove close to the bottom of the groove is provided with a limiting rib, and the edge of the notch is provided with a hook-shaped rib.

Finally, the conductive row is an "I"-shaped structure.

Compared with the prior art, the present invention has the following beneficial effects:

1. The conductor in the busway of the present invention is in contact with the conductive seat to realize the power supply in the busway power supply system. The structure is novel and easy to use. The conductive row and the conductive seat can be separated;

2. The contact mode between the conductive bar and the conductive seat is elastic compression and reliable contact. When it is turned on or off, the elastic force of the elastic part makes the copper bus bar and the conductive bar connected or disconnected; the conduction is reliable, the structure is novel, and it is easy to use. The process is simple.

3. The fixing frame plays the role of carrying and fixing the conductive seat, and at the same time divides the bus duct into two chambers, which is convenient for disassembling and assembling the conductive seat; the setting of the through hole is convenient for the copper busbar to pass through and contact with the conductive row;

4. The side of the housing opposite to the side where the insulating bracket is installed is a detachable structure. A gap is formed between the housing and the detachable side plate. The gap is used to install the fixing frame. The fixing frame is along the gap of the housing The edge is fixed and then sealed by the slot cover, which is convenient for disassembling the fixing frame and the conductive seat; at the same time, the bus duct is sealed to prevent dust from entering.

5. The setting of the first fixing structure, the second fixing structure and the first connecting structure and the second connecting structure makes the insulating bracket inserted into the sliding connection along the end of the housing; it is easy to disassemble and assemble the insulating bracket, with high efficiency and saving human resource costs;

6. The "I"-shaped conductive row is easy to process and the process is simple. The limiting ribs and hook-shaped ribs play a role in limiting the "I"-shaped conductive row.

Description of drawings

Fig. 1 is the structural representation of power supply system of the present invention;

Fig. 2 is the explosion schematic diagram of the present invention;

Fig. 3 is a schematic diagram of the assembly structure of the bus duct, the insulating support and the conductive row of the present invention;

Fig. 4 is a schematic structural view of the conductive seat of the present invention;

Fig. 5 is the structural representation of housing of the present invention;

Fig. 6 is a schematic structural view of the insulating support of the present invention.

In the figure, 1. Bus duct body, 2. Power supply box, 3. Plug-in box, 4. Housing, 5. Insulation bracket, 6. Fixing slot, 7. Conductive seat; 8. Circuit breaker; 9. Slot cover; 10. Detachable side panel; 11. Protective cover; 12. Conductive row; 13. Flange; 14. Limiting ribs; 15. Hook-shaped ribs; ; 18, bottom plate, 19, binding post; 20, spring; 21, baffle plate, 22, flange; 23, copper busbar; 24, eversion connecting plate; 25, horizontal section; 26, raised section; 161 The first card slot, 171, T-shaped seat; 27, three-phase changeover switch.

Detailed ways

In order to achieve the above object of the present invention, the present invention has adopted following technical scheme:

Referring to Figure 1-6, a busway power supply system includes a busway body 1, a plug-in box 3 that conducts output current with the busway body 1, and a circuit breaker that is electrically connected to the plug-in box 3 to control the power supply system circuit on and off 8, the bus duct body 1 includes a housing 4 and an insulating support 5 placed in the housing 4 and connected to one side thereof, the insulating support 5 is provided with a conductive row 12; the housing 4 is also installed There is a conductive base 7 for contacting and conducting with the conductive row 12 in the insulating bracket 5, and the circuit breaker 8 is fixed on the conductive base 7 and electrically connected thereto. The busway of the present invention is in contact with the conductive seat 7 to realize the supply of power in the busway power supply system, and has a novel structure; it is convenient to use; when in use, the conductive row 12 is contacted with the conductive seat 7 under the action of an external force to conduct conduction; When disconnecting, the conductive row 12 and the conductive seat 7 can be separated. The electrical connection between the plug box 3 and the bus duct body 1 is sufficient through the circuit breaker 8; the design of the structure of the conductive seat 7 and the position of the circuit breaker 8 make the installation between the plug box 3 and the bus duct easier.

The conductive base 7 includes a base and a copper busbar 23 placed on the base, a spring 20 is arranged between the base and the copper busbar 23; when in use, the spring 20 is compressed under the action of an external force so that the copper busbar 23 and the copper busbar 23 are in contact with each other. The conductors are in contact with each other; after use, the spring 20 resets under the action of an external force to separate the copper busbar 23 from the conductors and cut off the power. The copper busbar 23 and the conductive row 12 are in reliable contact through the compression of the spring 20, and the plug box 3 is electrically connected to the circuit breaker 8 placed on the conductive seat 7 to conduct electricity. The installation of the plug-in box 3 and the fixing seat is simple and convenient, and the structure is novel.

Described base comprises base plate 18, and the front of described base plate 18 is equidistantly provided with baffle plate 21, and backside is provided with dividing plate equally spaced, and terminal post 19 is arranged between adjacent two baffle plates 21, and the both sides of terminal post 19 are provided with There are springs 20. The copper bus bar 23 includes a horizontal section 25 for connecting with the terminal 19 and raised sections 26 on both sides of the horizontal section 25 for being arranged on the spring 20, and one side of the horizontal section 25 is provided with a useful Connect and fix the everted connecting plate 24 with the back side of the base plate 18 . When fixed, the horizontal section 25 of the copper busbar 23 is sleeved on the terminal 19 and fixed; fixed. Then the circuit breaker is fixed on the base and electrically connected with the conductive seat 7 ; meanwhile, the circuit breaker 8 is electrically connected with the plug box 3 . A flange 22 is provided at the edge of the bottom plate 18, and a fixing hole is opened on the flange 22.

The conductive seat 7 is placed in a fixed frame, and the fixed frame is placed at the gap on the side of the housing 4. The fixed frame includes a fixed groove 6 whose height matches the housing 4 and a groove cover 9 detachably connected thereto; It also includes a three-phase transfer switch 27 that runs through the slot cover 9 for controlling the plug-in box 3; a through slot is opened on the slot cover 9 at a position corresponding to the circuit breaker 8, and the circuit breaker 8 runs through the slot. A protective cover 11 is provided on the outside of the through groove. The groove bottom of the fixed groove 6 is parallel to the side of the fixed insulating bracket 5 in the housing 4, the conductive seat 7 is fixed on the groove bottom of the fixed groove 6, and the groove bottom of the fixed groove 6 is provided with a hole for the copper busbar 23 to pass through. Through holes; the edge of the fixing groove 6 is turned outwards to be used for connecting with the housing 4 with the outer flange 13, and the outer flange 13 is a "┐" shape structure, and the outer flange 13 is convenient for the connection between the fixed frame and the housing 4. The through hole is located at the edge of the bottom of the fixing groove 6 near the end, and the through hole allows the copper busbar 23 on the conductive seat 7 to pass through to contact with the conductive row 12 . The plug-in box 3 is a two-way three-phase 63A side plug-in type, and the three-phase transfer switch 27 is used to control the conversion of the plug-in box 3 .

The inner surfaces of both sides of the housing 4 perpendicular to the side where the insulating bracket 5 is installed are provided with a fixing structure for installing the insulating bracket 5; The slot 161 ; the inner surface of the shell 4 connected to the side of the insulating bracket 5 is provided with a T-shaped seat 171 for inserting the insulating bracket 5 along the end of the slot. The insulating bracket 5 includes a plurality of accommodation slots of an integrated structure, each of which is provided with a notch for the copper busbar 23 to pass through; the direction of the notch is consistent with the side opening of the slot body; the accommodation slot is close to Limiting ribs 14 are arranged at the bottom of the groove, and hook-shaped ribs 15 are arranged on the edge of the notch. The upper and lower edges of the outer wall of the insulating bracket 5 facing away from the notch are provided with a clamping piece 16 that is matched and connected to the first card slot 161. The cross section of the clamping piece 16 is L-shaped, and the L-shaped clamping piece 16 The straight arm of the straight arm snaps into the first card slot 161, and the horizontal arm of the L-shaped clip 16 is connected to the insulating support 5; the outer wall of the side of the insulating support 5 facing away from the notch corresponds to the T-shaped seat 171. The T-shaped seat 171 matches the second card slot 17 , and the T-shaped seat 171 slides into the second card slot 17 .

The "I"-shaped conductive row 12 is arranged in the accommodation groove on the insulating support 5, and the limiting rib 14 near the bottom of the groove and the hook-shaped rib 15 on the edge of the slot of the accommodation groove are paired with the "I"-shaped conductive row. 12 plays the effect of position-limiting; One end of "I"-shaped conductive bar 12 is placed between the bottom of the groove and the position-limiting protrusion, and the other end is placed in conflict with the hook-shaped rib 15; the position-limiting protrusion 14 and the hook-shaped protrusion At the same time, the edge 15 plays a role of limiting the "I"-shaped conductive bar 12, and at the same time, does not affect the contact and conduction between the copper busbar 23 and the "I"-shaped conductive bar 12. The existing conductive row 12 is generally U-shaped structure, the conductor processing of the existing structure is relatively complicated, and the processing cost is high; the "I"-shaped conductive row 12 is easy to process and simple in process.

When the present invention is installed, the insulating bracket 5 is inserted into the housing 4 through the L-shaped clamping piece 16 and the slot to slide, and at the same time, the second slot 17 is snapped into the "T"-shaped seat; the "I"-shaped conductive row 12 is fixed in the containing groove, one end of the "I"-shaped conductive row 12 is placed between the bottom of the groove and the limit protrusion, and the other end is placed in conflict with the hook-shaped rib 15; then the fixing frame is fixed on the gap of the shell 4 place, the fixing groove 6 of the fixing frame is placed in the housing 4, the groove bottom of the fixing groove 6 is parallel to the side of the housing 4 fixing the insulating bracket 5; the outer flange 13 of the fixing groove 6 is fixed to the outer edge of the housing 4 . Then put the assembled conductive seat 7 in the fixing groove 6, and compress the spring 20 by external force, so that the copper bus bar 23 on the conductive seat 7 passes through the through hole and contacts the conductive bar 12; then fix the slot cover 9, the switch button and the circuit breaker Protector cover 11.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (9)

1. a kind of bus duct power supply system, including bus duct ontology, be connected with bus duct ontology output current jack box and with Jack box, which is electrically connected, controls the breaker of power supply system connecting and disconnecting of the circuit, it is characterised in that：The bus duct ontology includes shell and sets In being provided with busbar in the insulating support being connect with one side in shell, the insulating support；It is also installed in the shell It is useful for contacting the conductive seat of conducting with the busbar in insulating support, the breaker is fixed on conductive seat and is electrically connected with it It connects；The conductive seat includes pedestal and the copper bus-bar that is placed on pedestal, and spring is provided between the pedestal and copper bus-bar；Spring Make to contact between copper bus-bar and busbar under the effect of external force, copper bus-bar is disconnected with busbar after spring reset, realizes that copper is female Power off is led between row and busbar.

2. bus duct power supply system according to claim 1, it is characterised in that：The conductive seat is fixed on by fixed frame In shell, the fixed frame includes capping of the height with the matched fixing groove of shell and with its removable connection；The fixing groove Slot bottom and shell in fix that the side of insulating support is parallel, conductive seat is fixed on the slot bottom of fixing groove, and slot bottom, which is provided with, keeps copper female Arrange across through-hole, the conductive seat with run through capping switch button connect.

3. bus duct power supply system according to claim 2, it is characterised in that：The shell is that side open cross-section is " Contraband " shape structure, open side are provided with removable side plate；The length of removable side plate is less than the length of shell, removable side plate One end of shell is set to form a notch after being installed with shell；The notch is used for mounting and fixing support.

4. bus duct power supply system according to claim 3, it is characterised in that：The side of the shell and installation insulating support The vertical two sides inner surface in side is provided with the fixed structure for installing insulating support.

5. bus duct power supply system according to claim 4, it is characterised in that：The fixed structure includes for along groove body The first fixed structure of insulating support is inserted into end.

6. bus duct power supply system according to claim 5, it is characterised in that：The side of insulating support is connected on the shell The inner surface on side is provided with the second fixed structure for being inserted into insulating support along groove body end.

7. bus duct power supply system according to claim 6, it is characterised in that：On the insulating support with the first fixed knot The first matched connection structure is equipped at the corresponding position of structure, position corresponding with the second fixed structure on the insulating support It sets place and is equipped with the second matched connection structure；In use, passing through first fixed structure, second between insulating support and groove body Fixed structure and the first connection structure, the second connection structure are connected and fixed.

8. bus duct power supply system according to claim 3, it is characterised in that：The insulating support includes integral type knot Multiple holding tanks of structure, each holding tank are provided with the notch passed through for copper bus-bar；The notch direction and groove body side openings Unanimously；Holding tank is provided with limit fin close to the position of slot bottom, and notch edge is provided with hook fin.

9. bus duct power supply system according to claim 8, it is characterised in that：The busbar is dies.