CN201430562Y - High voltage anti-explosion soft starter with intrinsic safety operating characteristics - Google Patents
High voltage anti-explosion soft starter with intrinsic safety operating characteristics Download PDFInfo
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- CN201430562Y CN201430562Y CN2009201609079U CN200920160907U CN201430562Y CN 201430562 Y CN201430562 Y CN 201430562Y CN 2009201609079 U CN2009201609079 U CN 2009201609079U CN 200920160907 U CN200920160907 U CN 200920160907U CN 201430562 Y CN201430562 Y CN 201430562Y
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Abstract
The utility model discloses a high voltage anti-explosion soft starter with intrinsic safety operating characteristics, which belongs to the making technical field of starters. The utility model aimsto solve the technical problem that the utility model provides a soft starter which is safe and reliable, automatically measures loading and is used to start an underground high voltage two-speed motor. The technical solution is that a three-phase power input interface is orderly connected with an isolation change-over switch, an incoming line vacuum contactor and a silicon controlled component through wires, wherein the output end of the silicon controlled component is separated into two circuits, one circuit is connected with a low speed winding interface of the two-speed motor through a lowspeed vacuum contactor, the other circuit is connected with a high speed winding interface of the two-speed motor through a high speed vacuum contactor, the two ends of the silicon controlled component are further connected with a pass by vacuum contactor in parallel, a power transformer is connected between the isolation change-over switch and the incoming line vacuum contactor through wires, and the output end of the power transformer is connected with an interface plate, a controller and a PLC. The high voltage anti-explosion soft starter with intrinsic safety operating characteristics canbe widely used for softly starting various high voltage anti-explosion two-speed motors.
Description
Technical field
The utlity model has the high-voltage explosion-proof soft starter of intrinsic safety operating characteristic, be specifically related to starter manufacturing technology field.
Background technology
Present large-scale alternating current motor is extensive use of the soft starter starting, the high pressure soft starter is regulated the supply power voltage of motor by central processing unit and controllable silicon, with starting and the braking procedure that improves induction motor, make motor smooth start and braking, reduce the impact of the starting of motor, reduce in the starting process infringement simultaneously machinery and electric equipment to electrical network.In the middle of the actual use of soft starter, the probability of local its start-stop operation of control is not too big, and general all is the start-stop operation that carries out the Long-distance Control soft starter.Long-distance Control just need connect control intrinsic safety operating case far away by external connection, explosion-proof specific (special) requirements according to the down-hole, external connection or connection flameproof and intrinsically safe operating case, the spark that produces when external circuit is broken down is not enough to light the down-hole explosion hazard gases, and what just we often said will have the essential safety characteristic.The output of intrinsic safety type can be simplified control equipment far away, and electric operation is safe in utilization under the assurance coal mine.
The utility model content
The deficiency that the utility model exists at prior art, the technical problem that solve provides a kind of safe and reliable high-voltage explosion-proof soft starter with intrinsic safety operating characteristic.
For solving the problems of the technologies described above, technical scheme that the utility model adopts be: the high-voltage explosion-proof soft starter with intrinsic safety operating characteristic, its structure is: the three phase mains input interface by lead successively with isolate reversing switch, the inlet wire vacuum contactor is connected with silicon controlled component, the output of silicon controlled component is divided into two-way, wherein, the low speed vacuum contactor of leading up to links to each other with double-speed motor low speed winding interface, another road links to each other with double-speed motor high speed winding interface by the high-speed vacuum contactor, the two ends of silicon controlled component also are parallel with the bypass vacuum contactor, between isolation reversing switch and inlet wire vacuum contactor, be connected with power transformer by lead, the output of power transformer is connected with interface board, controller and PLC, be connected with current sensing means between inlet wire vacuum contactor and the silicon controlled component, the output of current sensing means links to each other with interface board respectively, the turnover line end of silicon controlled component is connected with first fen pressing plate and second fen pressing plate respectively by lead, the other end of first fen pressing plate and second fen pressing plate all links to each other with interface board, controller is by lead connecting interface plate and PLC, PLC is connected with display by lead, and the intrinsic safety operating case is connected with the Long-distance Control panel by lead; PLC also is connected with the intrinsic safety operating case by lead, and the intrinsic safety operating case links to each other with the Long-distance Control panel with the output of power transformer by lead.
Above-mentioned intrinsic safety operating case is made up of transformer, reliability element, local operation circuit and optocoupler, the structure of intrinsic safety operating case is: the input of transformer links to each other with power transformer, the output of transformer links to each other with the reliability element, the reliability element links to each other with the local operation circuit, the local operation circuit links to each other with PLC by optocoupler, the local operation circuit also links to each other with the Long-distance Control panel, and local operation circuit and Long-distance Control panel are intrinsically safe circuit.
The high-voltage explosion-proof soft starter that the utlity model has the intrinsic safety operating characteristic is compared with existing soft starter has following beneficial effect:
1, intrinsic safety characteristic under the coal mine is satisfied in the output of intrinsic safety operating case, can directly connect the Long-distance Control panel by cable, need not to install additional the control intrinsic safety operating case far away of flame-proof type, and convenient the use avoided because the inflammable gas explosion accident that control line fault far away produces.
2, automation degree of integration height: in the starter, controller is finished the control relevant with soft start, comprises the protection (as stall, thyristor short circuit, motor overheating etc.) of soft-start mode (as current limliting, kick etc.) and soft process; Model is control (as soft/hard rising) and the protection that the Siemens Programmable Logic Controller PLC of CPU224 finishes the starter complete machine.
3, the working method variation, the occupation mode variation: since circuit of the present utility model adopt the three phase mains input interface by three groups of leads successively with isolate reversing switch, the inlet wire vacuum contactor is connected with silicon controlled component, silicon controlled component is connected on double-speed motor low speed winding interface and the double-speed motor high speed winding interface by the low speed vacuum contactor and the high-speed vacuum contactor of parallel connection respectively, the two ends of silicon controlled component vacuum contactor in parallel can be realized five kinds of compound mode startings: low speed/soft start, low speed/hard start, low speed changes high speed/soft start, low speed changes high speed/hard start and high speed soft start.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail;
Fig. 1 is the schematic block circuit diagram that the utlity model has the high-voltage explosion-proof soft starter of intrinsic safety operating characteristic;
Fig. 2 is intrinsic safety operating case 218 and a peripheral circuit structural representation among Fig. 1.
Wherein, 1 is the three phase mains input interface, and 2 is soft starter, 3 is the double speed alternating current motor, and 201 for isolating reversing switch, and 202 is power transformer, 203 is the inlet wire vacuum contactor, 204 are the bypass vacuum contactor, and 205 is silicon controlled component, and 206 is the high-speed vacuum contactor, 207 is the low speed vacuum contactor, 208 is double-speed motor high speed winding interface, and 209 is double-speed motor low speed winding interface, and 211 is current sensing means, 212 is first fen pressing plate, 215 is interface board, and 216 is controller, and 217 is PLC, 218 is the intrinsic safety operating case, 219 is the Long-distance Control panel, and 220 is display, and 221 is transformer, 222 is the reliability element, 223 is the local operation circuit, and 224 is optocoupler, and 225 is second fen pressing plate.
Embodiment
Fig. 1 is the schematic block circuit diagram that the utlity model has the high-voltage explosion-proof soft starter of intrinsic safety operating characteristic.Among the figure, soft starter 2 comprises isolates reversing switch 201, power transformer 202, inlet wire vacuum contactor 203, bypass vacuum contactor 204, silicon controlled component 205, high-speed vacuum contactor 206, low speed vacuum contactor 207, double-speed motor high speed winding interface 208, double-speed motor low speed winding interface 209, current sensing means 211, pressing plate 212 in first minute, interface board 215, controller 216, PLC217, operating case 218, Long-distance Control panel 219, display 220 and second fen pressing plate 225, its structure is: three phase mains input interface 1 by lead successively with isolate reversing switch 201, inlet wire vacuum contactor 203 is connected with silicon controlled component 205, the output of silicon controlled component 205 is divided into two-way, wherein, the low speed vacuum contactor 207 of leading up to links to each other with double-speed motor low speed winding interface 209, another road links to each other with double-speed motor high speed winding interface 208 by high-speed vacuum contactor 206, the two ends of silicon controlled component 205 also are parallel with bypass vacuum contactor 204, between isolation reversing switch 201 and inlet wire vacuum contactor 203, be connected with power transformer 202 by lead, the output of power transformer 202 is connected with interface board 215, controller 216 and PLC217, be connected with current sensing means 211 between inlet wire vacuum contactor 203 and the silicon controlled component 205, the output of current sensing means 211 links to each other with interface board 215 respectively, the turnover line end of silicon controlled component 205 is connected with first fen pressing plate 212 and second fen pressing plate 225 respectively by lead, the other end of first fen pressing plate 212 and second fen pressing plate 225 all links to each other with interface board 215, controller 216 is by lead connecting interface plate 215 and PLC217, PLC217 is connected with display 220 by lead, and intrinsic safety operating case 218 is connected with Long-distance Control panel 219 by lead; PLC217 also is connected with intrinsic safety operating case 218 by lead, and intrinsic safety operating case 218 links to each other with Long-distance Control panel 219 with the output of power transformer 202 by lead.
The model of above-mentioned intrinsic safety operating case 218 can be XD-II.
The model of above-mentioned double speed alternating current motor 3 is YBSD-400/200-4/8, and the model of controller 216 is 1503E-S1FX, and the PLC217 model is Siemens's Programmable Logic Controller of CPU224.
The isolation reversing switch 201 of the utility model soft starter 2 connects three phase mains input interfaces 1, and double-speed motor high speed winding interface 208 and double-speed motor low speed winding interface 209 are connected the high speed winding and the low speed winding of double speed alternating current motor 3 respectively.
The circuit control mode that the utility model adopts is present stage and well known to a person skilled in the art technology.
Fig. 2 is intrinsic safety operating case 218 and a peripheral circuit structural representation among Fig. 1, intrinsic safety operating case 218 is made up of transformer 221, reliability element 222, local operation circuit 223 and optocoupler 224, the structure of intrinsic safety operating case 218 is: the input of transformer 221 links to each other with power transformer 202, the output of transformer 221 links to each other with reliability element 222, reliability element 222 links to each other with local operation circuit 223, local operation circuit 223 links to each other with PLC217 by optocoupler 224, and local operation circuit 223 also links to each other with Long-distance Control panel 219.Because voltage carries out this Anhua through transformer 221 and reliability element 222, Long-distance Control panel 219 all becomes the intrinsically safe circuit part with local operation circuit 223, so operation of the present utility model and control section are intrinsically safe circuit.
Claims (2)
1, high-voltage explosion-proof soft starter with intrinsic safety operating characteristic, its structure is: three phase mains input interface (1) by lead successively with isolate reversing switch (201), inlet wire vacuum contactor (203) is connected with silicon controlled component (205), the output of silicon controlled component (205) is divided into two-way, wherein, the low speed vacuum contactor (207) of leading up to links to each other with double-speed motor low speed winding interface (209), another road links to each other with double-speed motor high speed winding interface (208) by high-speed vacuum contactor (206), the two ends of silicon controlled component (205) also are parallel with bypass vacuum contactor (204), between isolation reversing switch (201) and inlet wire vacuum contactor (203), be connected with power transformer (202) by lead, the output of power transformer (202) is connected with interface board (215), controller (216) and PLC (217), be connected with current sensing means (211) between inlet wire vacuum contactor (203) and the silicon controlled component (205), the output of current sensing means (211) links to each other with interface board (215) respectively, the turnover line end of silicon controlled component (205) is connected with first fen pressing plate (212) and second fen pressing plate (225) respectively by lead, first minute pressing plate (212) with second minute pressing plate (225) the other end all link to each other with interface board (215), controller (216) is by lead connecting interface plate (215) and PLC (217), PLC (217) is connected with display (220) by lead, and intrinsic safety operating case (218) is connected with Long-distance Control panel (219) by lead; It is characterized in that: PLC (217) also is connected with intrinsic safety operating case (218) by lead, and intrinsic safety operating case (218) links to each other with Long-distance Control panel (219) with the output of power transformer (202) by lead.
2, high-voltage explosion-proof soft starter with intrinsic safety operating characteristic according to claim 1, it is characterized in that: intrinsic safety operating case (218) is by transformer (221), reliability element (222), local operation circuit (223) and optocoupler (224) are formed, the structure of intrinsic safety operating case (218) is: the input of transformer (221) links to each other with power transformer (202), the output of transformer (221) links to each other with reliability element (222), reliability element (222) links to each other with local operation circuit (223), local operation circuit (223) links to each other with PLC (217) by optocoupler (224), local operation circuit (223) also links to each other with Long-distance Control panel (219), and local operation circuit (223) is intrinsically safe circuit with Long-distance Control panel (219).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201609079U CN201430562Y (en) | 2009-06-19 | 2009-06-19 | High voltage anti-explosion soft starter with intrinsic safety operating characteristics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201609079U CN201430562Y (en) | 2009-06-19 | 2009-06-19 | High voltage anti-explosion soft starter with intrinsic safety operating characteristics |
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| Publication Number | Publication Date |
|---|---|
| CN201430562Y true CN201430562Y (en) | 2010-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009201609079U Expired - Lifetime CN201430562Y (en) | 2009-06-19 | 2009-06-19 | High voltage anti-explosion soft starter with intrinsic safety operating characteristics |
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| CN (1) | CN201430562Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102088262A (en) * | 2010-12-07 | 2011-06-08 | 太原理工大学 | Remote control device of explosion proof motor |
| CN105281642A (en) * | 2015-10-13 | 2016-01-27 | 太原惠特科技有限公司 | Mining flameproof intrinsically-safe AC variable-frequency system suitable for two-speed motor |
| CN109088479A (en) * | 2018-10-31 | 2018-12-25 | 山西际安电气有限公司 | Mobile substation stacked switch address self-reacting device |
-
2009
- 2009-06-19 CN CN2009201609079U patent/CN201430562Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102088262A (en) * | 2010-12-07 | 2011-06-08 | 太原理工大学 | Remote control device of explosion proof motor |
| CN102088262B (en) * | 2010-12-07 | 2012-12-26 | 太原理工大学 | Remote control device of explosion proof motor |
| CN105281642A (en) * | 2015-10-13 | 2016-01-27 | 太原惠特科技有限公司 | Mining flameproof intrinsically-safe AC variable-frequency system suitable for two-speed motor |
| CN109088479A (en) * | 2018-10-31 | 2018-12-25 | 山西际安电气有限公司 | Mobile substation stacked switch address self-reacting device |
| CN109088479B (en) * | 2018-10-31 | 2023-08-08 | 山西际安电气有限公司 | Communication address self-adapting device of combined switch for mobile substation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100324 |