CN203103931U - Protection device for switch-on coil of fixed-type switch cabinet - Google Patents
Protection device for switch-on coil of fixed-type switch cabinet Download PDFInfo
- Publication number
- CN203103931U CN203103931U CN 201320077166 CN201320077166U CN203103931U CN 203103931 U CN203103931 U CN 203103931U CN 201320077166 CN201320077166 CN 201320077166 CN 201320077166 U CN201320077166 U CN 201320077166U CN 203103931 U CN203103931 U CN 203103931U
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- switch
- drive rod
- circuit breaker
- circuit
- fixed
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- Switch Cases, Indication, And Locking (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a protection device for the switch-on coil of a fixed-type switch cabinet. The switch-on system of the fixed-type switch cabinet is mainly composed of a working state control handle, a rotary connection rod, a movable lock rod, a switch-on mechanism, an electrical switch-on circuit and a circuit breaker, wherein the circuit breaker is mainly composed of a circuit-breaking switch; a mechanical switch-on button and a drive rod are installed on the circuit breaker; the centre of the drive rod is movably fixed on a rotary shaft; the electrical switch-on circuit is mainly composed of an operation power supply, a comprehensive protection device, an electrical switch-on button and the switch-on coil which are connected in series; a side rod is installed at one side of the movable lock rod; a stroke switch is installed below the side rod; and the stroke switch is serially connected in the electrical switch-on circuit. When the working state control handle is in an 'operation' position, the movable lock rod is lowered down to lock the drive rod, simultaneously, the side rod presses the stroke switch downwards, the stroke switch is changed to be switched off, and the electrical switch-on circuit enters in a switch-off state; and at the moment, in the case that the electrical switch-on button is pressed, the switch-on coil cannot get a current, thus being prevented from burn-out.
Description
Technical field
The utility model belongs to the power transmission and transforming equipment technical field, relates to a kind of fixed switch cubicle closing coil protective device.
Background technology
In the prior art; the combined floodgate system of fixed switch cubicle; mainly form by operating state joystick, pivot link, movable deadlock lever, switching-on mechanism, electric combined floodgate circuit and circuit breaker; circuit breaker mainly is made up of disconnect; mechanical switch knob and drive rod are installed on the circuit breaker; the central movable of drive rod is fixed in the rotating shaft, and electric combined floodgate circuit mainly is composed in series by operating power, comprehensive protector, electric switch knob and closing coil.The operating state joystick is installed on the panel of fixed switch cubicle, its rear end is installed in the fixed switch cubicle and connects pivot link, the other end connection activity deadlock lever of pivot link, drive rod on the circuit breaker is installed in the left side, lower end of movable deadlock lever, the machinery switch knob is installed in the left side, upper end of drive rod, the mechanical start end of closing a floodgate is installed in the left side, upper end of drive rod, the disconnect of the control termination circuit breaker of combined floodgate machinery, the control end of closing coil is installed in the right side, lower end of drive rod, and electric switch knob is installed on the panel of fixed switch cubicle.
The operating state joystick is to there being " work ", " maintenance " and " operation " three states, when the operating state joystick rotates to " work " position, pivot link drive activity deadlock lever mediates, the lower end of movable deadlock lever is positioned at the top of drive rod upper end, movable deadlock lever does not form locking to drive rod, drive rod can rotate freely, at this moment, connecting electric switch knob can make the control power supply send to closing coil by comprehensive protector, closing coil gets its control end of electric back and promotes drive rod from the lower end of drive rod and forward to, the start end of switching-on mechanism is touched in the upper end of drive rod when rotating, switching-on mechanism work, the disconnect that the control end of switching-on mechanism drives circuit breaker carries out closing operation, realizes the connection between high voltage source and the power consumer; Simultaneously, when " work " state, also can drive switching-on mechanism work, circuit breaker is carried out mechanical closing operation directly by the mechanical switch knob on the circuit breaker.
When the operating state joystick rotates to " maintenance " position, pivot link drive activity deadlock lever upwards lifts, the lower end of movable deadlock lever is away from the drive rod upper end, movable deadlock lever does not form locking to drive rod, drive rod can rotate freely, at this moment, connect electric switch knob and can drive switching-on mechanism work, circuit breaker is carried out mechanical closing operation; Simultaneously when " maintenance " state, also can directly carry out mechanical closing operation by the mechanical switch knob on the circuit breaker to circuit breaker.
When the operating state joystick rotates to " operation " position, pivot link drive activity deadlock lever reduces downwards, the lower right of drive rod upper end is stretched in the lower end of movable deadlock lever, movable deadlock lever forms locking to drive rod, drive rod can not rotate, press electric switch knob this moment, though the control power supply can send to closing coil by comprehensive protector, closing coil gets the lower end that pushes away drive rod before its control end of electric back can continue, but because the upper end of drive rod is by locking, drive rod can not rotate, the start end that switching-on mechanism can not be touched in the upper end of drive rod makes switching-on mechanism work, and the disconnect that the control end of switching-on mechanism can not drive circuit breaker closes a floodgate; Simultaneously, owing to be subjected to stopping of deadlock lever, drive rod can not rotate, and presses the mechanical switch knob on the circuit breaker at " operation " state, and mechanical switch knob can not touch switching-on mechanism work, and switching-on mechanism can not carry out mechanical closing operation to circuit breaker.
Yet, when the operating state joystick rotates to " operation " position, because drive rod is locked by movable deadlock lever, the machinery switch knob can not carry out mechanical closing operation to circuit breaker, electric switch knob can not carry out closing operation to circuit breaker, at this moment, if operating personnel's inadvertent, press electric switch knob, the closing coil that is connected with electric switch knob is in electriferous state, closes a floodgate but can not drive killer switch, is burnt easily after the closing coil electrification time is long, cause electric combined floodgate circuit to damage, can not press the closing operation of electric switch knob from the panel of fixed switch cubicle.
Summary of the invention
In the prior art; in fixed switch cubicle combined floodgate system; when the operating state joystick rotates to " operation " position; drive rod is by movable deadlock lever when locked; at this moment; if operating personnel's mistake is carried out closing operation by electric switch knob; closing coil gets electric but can not drive killer switch and closes a floodgate; then closing coil can be burnt because of electrification time is long; the utility model is at this problem; a kind of fixed switch cubicle closing coil protective device is provided; the combined floodgate system of fixed switch cubicle; mainly by the operating state joystick; pivot link; movable deadlock lever; switching-on mechanism; electric combined floodgate circuit and circuit breaker are formed; circuit breaker mainly is made up of disconnect; mechanical switch knob and drive rod are installed on the circuit breaker; the central movable of drive rod is fixed in the rotating shaft; electric combined floodgate circuit is mainly by operating power; comprehensive protector; electric switch knob and closing coil are composed in series; the operating state joystick is installed on the panel of fixed switch cubicle; its rear end is installed in the fixed switch cubicle and connects pivot link; the other end connection activity deadlock lever of pivot link; drive rod on the circuit breaker is installed in the left side, lower end of movable deadlock lever; the machinery switch knob is installed in the left side, upper end of drive rod; the start end of switching-on mechanism is installed in the left side, upper end of drive rod; the disconnect of the control termination circuit breaker of switching-on mechanism; the control end of closing coil is installed in the right side, lower end of drive rod; electric switch knob is installed on the panel of fixed switch cubicle; side at movable deadlock lever is equipped with side lever; travel switch is installed below side lever, and travel switch is connected in the electric combined floodgate circuit.
Because the utility model is equipped with side lever in a side of movable deadlock lever, travel switch is installed below side lever, travel switch is connected in the electric combined floodgate circuit, when the operating state joystick rotates to " operation " position, pivot link drive activity deadlock lever reduces downwards, movable deadlock lever is with the drive rod locking, simultaneously, the side lever of movable deadlock lever presses down travel switch, and travel switch becomes disconnection from normally closed, and electric combined floodgate circuit enters off-state, press electric switch knob this moment, electric current can be do not obtained in the closing coil,, closing coil can be do not burnt yet even occur pressing the misoperation of electric switch knob in this case.
Description of drawings
Electromechanical structure schematic diagram when Fig. 1 is spun on " work " state for the operating state joystick.
Electromechanical structure schematic diagram when Fig. 2 is spun on " maintenance " state for the operating state joystick.
Electromechanical structure schematic diagram when Fig. 3 is spun on " operation " state for the operating state joystick.
Embodiment
Embodiment: as Fig. 1; Fig. 2 and shown in Figure 3; fixed switch cubicle closing coil protective device; the combined floodgate system of fixed switch cubicle; mainly by operating state joystick 1; pivot link 2; movable deadlock lever 3; switching-on mechanism 7; electric combined floodgate circuit 6 and circuit breaker 8 are formed; circuit breaker 8 mainly is made up of disconnect 9; mechanical switch knob 16 and drive rod 15 are installed on the circuit breaker 8; the central movable of drive rod 15 is fixed in the rotating shaft 14; electric combined floodgate circuit 6 is mainly by operating power 11; comprehensive protector 10; electric switch knob 12 and closing coil 13 are composed in series; operating state joystick 1 is installed on the panel of fixed switch cubicle; its rear end is installed in the fixed switch cubicle and connects pivot link 2; the other end connection activity deadlock lever 3 of pivot link 2; drive rod 15 on the circuit breaker 8 is installed in the left side, lower end of movable deadlock lever 3; machinery switch knob 16 is installed in the left side, upper end of drive rod 15; the start end of switching-on mechanism 7 is installed in the left side, upper end of drive rod 15; the disconnect 9 of the control termination circuit breaker of switching-on mechanism 7; the control end of closing coil 13 is installed in the right side, lower end of drive rod 15; electric switch knob 12 is installed on the panel of fixed switch cubicle; side at movable deadlock lever 3 is equipped with side lever 4; travel switch 5 is installed below side lever 4, and travel switch 5 is connected in the electric combined floodgate circuit 6.
Claims (1)
1. fixed switch cubicle closing coil protective device; the combined floodgate system of fixed switch cubicle; mainly by operating state joystick (1); pivot link (2); movable deadlock lever (3); switching-on mechanism (7); electric combined floodgate circuit (6) and circuit breaker (8) are formed; circuit breaker (8) mainly is made up of disconnect (9); mechanical switch knob (16) and drive rod (15) are installed on the circuit breaker (8); the central movable of drive rod (15) is fixed in the rotating shaft (14); electric combined floodgate circuit (6) is mainly by operating power (11); comprehensive protector (10); electric switch knob (12) and closing coil (13) are composed in series; operating state joystick (1) is installed on the panel of fixed switch cubicle; its rear end is installed in the fixed switch cubicle and connects pivot link (2); the other end connection activity deadlock lever (3) of pivot link (2); drive rod (15) on the circuit breaker (8) is installed in the left side, lower end of movable deadlock lever (3); machinery switch knob (16) is installed in the left side, upper end of drive rod (15); the start end of switching-on mechanism (7) is installed in the left side, upper end of drive rod (15); the disconnect (9) of the control termination circuit breaker of switching-on mechanism (7); the control end of closing coil (13) is installed in the right side, lower end of drive rod (15); electric switch knob (12) is installed on the panel of fixed switch cubicle; it is characterized in that: the side at movable deadlock lever (3) is equipped with side lever (4); in the below of side lever (4) travel switch (5) is installed, travel switch (5) is connected in the electric combined floodgate circuit (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320077166 CN203103931U (en) | 2013-02-19 | 2013-02-19 | Protection device for switch-on coil of fixed-type switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320077166 CN203103931U (en) | 2013-02-19 | 2013-02-19 | Protection device for switch-on coil of fixed-type switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203103931U true CN203103931U (en) | 2013-07-31 |
Family
ID=48855308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320077166 Expired - Fee Related CN203103931U (en) | 2013-02-19 | 2013-02-19 | Protection device for switch-on coil of fixed-type switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203103931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482843A (en) * | 2014-12-08 | 2015-04-01 | 李红霞 | Position detection wheel |
-
2013
- 2013-02-19 CN CN 201320077166 patent/CN203103931U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482843A (en) * | 2014-12-08 | 2015-04-01 | 李红霞 | Position detection wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20160219 |