CN201928216U - Separately-arranged star-delta automatic conversion controller for motor - Google Patents
Separately-arranged star-delta automatic conversion controller for motor Download PDFInfo
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- CN201928216U CN201928216U CN2010206590599U CN201020659059U CN201928216U CN 201928216 U CN201928216 U CN 201928216U CN 2010206590599 U CN2010206590599 U CN 2010206590599U CN 201020659059 U CN201020659059 U CN 201020659059U CN 201928216 U CN201928216 U CN 201928216U
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Abstract
The utility model discloses a separately-arranged star-delta automatic conversion controller for a motor, which comprises a mounting plate (2) for electric elements used for controlling star-delta automatic conversion, a terminal block (3) and an indicating lamp (16). The separately-arranged star-delta automatic conversion controller for the motor is characterized in that the mounting plate (2) for electric elements used for controlling star-delta automatic conversion is fixed in an independent rectangular box body (1), the indicating lamp (16) and a rotary conversion selection switch (15) are arranged at the upper part of the front panel of the independent rectangular box body (1), and the terminal block (3) is arranged on the bottom plate of the independent rectangular box body (1). Since a logic circuit and a single structure are adopted, the separately-arranged star-delta automatic conversion controller for the motor has the advantages that the structure is simple, the controller is convenient to install and use, the star-delta automatic back-and-forth conversion is stable, the accuracy is high, not only can the motor be star-started up and be kept to star-run, but also the running mode of the motor can change with the load of the motor, and the electricity saving effect is good. The separately-arranged star-delta automatic conversion controller for the motor can be widely used for the star-delta conversion control of the motor.
Description
Technical field
The novel improvement that relates to a kind of threephase asynchronous star angle conversion control device of this use, thus a kind of independent setting specifically, realize that by logical circuit the star angle comes and goes conversion automatically and reaches the motor of economize on electricity with setting up the automatic switching controller in star angle.Heavy, intermittent stronger motor when light when being specially adapted to motor star starting, angle operation, load.
Background technology
At present, at the star angle conversion control device that generally all is provided with in service of the bigger threephase asynchronous of capacity.It is corner (note is done △ shape) operation again after star (note is done Y shape) starts.So-called star starts, and is the phase voltage 220V of finger, is the voltage between live wire and the middle asterism, that is to say that three windings of motor are connected on respectively between three live wires and the middle asterism.What connect after the commentaries on classics delta-connection is line voltage, is the voltage between live wire and the live wire, that is to say that three windings of motor are connected on respectively between three live wires.Change delta-connection after the motor star starts again and be the load in order to reduce impact, to reduce transformer to start to electrical network, allow load by light to heavily to the effect of a buffering of transformer.The motor load that has is heavier, just needs buffer starting, and being exactly changes the triangle running again after star starts.
Present employed star angle conversion control device, comprise control cubicle and operation board, install main contactor KM1, △ shape operation contactor KM2, Y shape operation contactor KM3, fuse link, auxiliary relay, connecting terminal block, the air circuit of the A.C. contactor that actuating motor uses etc. on the circuit board in control cubicle, be provided with ammeter and voltmeter etc. on the plate face top of control cubicle; On operation board, be provided with the button and the connecting terminal block of a plurality of functions such as motor starting button, motor stop button, liftout button.Because three phase electric machine is when underloading, the power savings that delta connection is changed into the star-star connection operation is remarkable, so the scheme of research star triangle energy-saving starter is a lot.At present, the main mode that solves the conversion of star angle still adopts manual control, so, use very inconveniently, can not effectively reach the purpose of economize on electricity.What also have is provided with star angle conversion control device in control cubicle, but this star angle conversion control device, owing to be combined as a whole with control cubicle, so, use dumbly, inconvenient, and increased use cost.In addition, owing to carried out many improvement on the line,, cause power savings unsatisfactory so have all that electric elements are many, a complex circuit, bad adaptability, the low shortcoming of sensitivity.Through retrieval, the report of the star angle conversion control device that at present, Shang Weijian is provided with separately, circuit is simple, can use flexibly in multiple machine operation occasion.
Summary of the invention
The purpose of this utility model be to provide a kind of independent setting, realize that by logical circuit the star angle comes and goes conversion automatically, thereby reach the purpose that change automatically at stable, reliable, sensitive star angle, can make the startup of motor star and keep the luck row, can change with the weight of motor load again, automatically change and carry out the star angle, and motor simple in structure, easy to install, that power savings is good is with setting up the automatic switching controller in star angle.
For reaching above purpose, the technical scheme that the utility model adopted is: this motor is with setting up the automatic switching controller in star angle, comprise control star angle electric elements mounting panel, connecting terminal block, the indicator light of conversion automatically, it is characterized in that: the described control star angle automatically electric elements mounting panel of conversion is fixed on independently in the rectangular box, be provided with indicator light and rotary conversion selecting switch on the top of rectangular box front face independently, independently be provided with connecting terminal block on the rectangular box base plate.
The utility model is also implemented by following measure: electric elements on the described electric elements mounting panel comprise fuse link, △ shape operation time delay closing relay, Y shape operation time delay closing relay that is installed in electric elements mounting panel top and the capacitor that plays time-lag action; Be installed in three the main auxiliary relays and four the auxiliary auxiliary relays that only play interconnect function at electric elements mounting panel middle part; Be installed in the connecting terminal block of electric elements mounting panel bottom; Be connected with corresponding public zero terminal on the connecting terminal block by lead after the potential winding parallel connection of three main auxiliary relays and four auxiliary auxiliary relays and △ shape operation time delay closing relay and Y shape operation time delay closing relay; Wherein, another contact of first main auxiliary relay is connected with the normally opened contact of first auxiliary auxiliary relay; Another contact in turn of second main auxiliary relay and the 3rd main auxiliary relay and the normally-closed contact of the 3rd auxiliary auxiliary relay, the normally closed point of liftout button on the connecting terminal block are connected, and are connected with fire line terminal on the connecting terminal block through the normally opened contact of Y shape operation time delay closing relay simultaneously; First auxiliary auxiliary relay is connected with the normally opened contact of second main auxiliary relay, is connected with fire line terminal on the connecting terminal block simultaneously; The 3rd main auxiliary relay with after the normally opened contact of the normally opened contact of the normally-closed contact of second main auxiliary relay, the 4th auxiliary auxiliary relay and △ shape operation time delay closing relay is connected, connects the fire line terminal on the connecting terminal block successively again; Play the capacitor of time-lag action in second auxiliary auxiliary relay parallel connection, and be connected with the normally-closed contact of the 3rd auxiliary auxiliary relay, after the 3rd auxiliary auxiliary relay and the parallel connection of △ shape operation time delay closing relay, another contact is connected with the normally opened contact of second auxiliary auxiliary relay and the normally-closed contact of the 4th auxiliary auxiliary relay, is connected with limit switch on the connecting terminal block through the normally opened contact of the 3rd auxiliary auxiliary relay again; The 4th auxiliary auxiliary relay is with after Y shape operation time delay closing relay is in parallel, another contact is connected with liftout finger contact on the connecting terminal block through the normally-closed contact of the 3rd auxiliary auxiliary relay and first auxiliary auxiliary relay and is connected, and is connected with fire line terminal on the connecting terminal block by the normally opened contact of the 4th auxiliary auxiliary relay simultaneously.
Described rotary conversion selecting switch, two strands of one end respectively with connecting terminal block on public zero terminal be connected with contactor normally opened contact live wire on the connecting terminal block, two strands of the other end respectively with connecting terminal block on public zero terminal be connected with KM1, KM3, FA1 normally opened contact input contact on the connecting terminal block; Described indicator light, an end is connected with fire line terminal on the connecting terminal block by second main auxiliary relay and the normally opened contact of the 3rd main auxiliary relay, and the other end is connected with public zero terminal on the connecting terminal block.
Described three main auxiliary relays are respectively J1, J3, J2; Described four auxiliary auxiliary relays are respectively J31, J8, J4, J5; Described △ shape operation time delay closing relay is SJ4; Described Y shape operation time delay closing relay is SJ5; Be connected with the corresponding public zero terminal of connecting terminal block by lead after the piezo coils parallel connection of three main auxiliary relays and four auxiliary auxiliary relays and △ shape operation time delay closing relay, Y shape operation time delay closing relay; Wherein, another contact of first main auxiliary relay is connected with the normally opened contact J31-1 of first auxiliary auxiliary relay; Another contact in turn of second main auxiliary relay is connected with the normally closed point of the liftout button on the connecting terminal block with the 3rd auxiliary auxiliary relay normally-closed contact J4-2 by the normally-closed contact J2-1 of the 3rd main auxiliary relay; Another contact of first auxiliary auxiliary relay is connected with the normally opened contact J3-3 of second main auxiliary relay; After the normally opened contact S J4-1 of the normally-closed contact J5-1 of another contact in turn of the 3rd main auxiliary relay and the normally-closed contact J3-1 of second main auxiliary relay and the 4th auxiliary auxiliary relay, △ shape operation time delay closing relay is connected, connect the fire line terminal on the connecting terminal block again; Electric capacity in second auxiliary auxiliary relay parallel connection, and be connected with the normally-closed contact J4-4 of the 3rd auxiliary auxiliary relay, after the 3rd auxiliary auxiliary relay and the parallel connection of △ shape operation time delay closing relay, the normally opened contact J8-1 of another contact and second auxiliary auxiliary relay and Y shape are moved time delay closing relay normally-closed contact J5-2 and are connected, are connected with limit switch on the connecting terminal block through the normally opened contact J4-1 of the 3rd auxiliary auxiliary relay; After the 4th auxiliary auxiliary relay and the parallel connection of Y shape operation time delay closing relay, another contact is connected with liftout finger contact on the connecting terminal block through normally-closed contact J4-3, the J31-2 of the 3rd auxiliary auxiliary relay and first auxiliary auxiliary relay.
Described push type conversion selecting switch is ZHK.
When using the utility model, the binding post on connecting terminal block and the control cubicle is connected with binding post on the operation board, can normally uses by connecting line.By the selection of rotary conversion selecting switch ZHK, can use method of operation of the present utility model.Also can adopt former method.
The beneficial effects of the utility model are: compare with the star angle conversion equipment that uses in motor at present, owing to adopted logical circuit, and be single structure, so it is simple in structure, easy to install, it is stable, highly sensitive that the star angle comes and goes conversion automatically, can make the startup of motor star and keep the luck row, can change with the weight of motor load again, power savings is good.Can be widely used in motor star angle conversion and control.
Description of drawings
Fig. 1, cut open schematic diagram for structure forward sight of the present utility model office.
Fig. 2, be the electric elements circuit theory schematic diagram on the electric elements mounting panel of the present utility model.
Embodiment
Make the utility model with reference to Fig. 1,2.This motor is with setting up the automatic switching controller in star angle, comprise the control star angle electric elements mounting panel 2 of conversion automatically, connecting terminal block 3 and indicator light 16 constitute, it is characterized in that: the described control star angle automatically electric elements mounting panel 2 of conversion is fixed on independently in the rectangular box 1, be provided with indicator light 16 and rotary conversion selecting switch 15 on the top of rectangular box 1 front face independently, independently be provided with connecting terminal block 3 on rectangular box 1 base plate, by adopting independently rectangular box 1, can make the automatic switching controller in star angle arbitrarily be connected use with any motor that is complementary, so, easy to use, flexibly, need not in each control cubicle, to install, reduced usage charges; Since adopt connecting terminal block 3 to connect, as long as couple together by wiring and control cubicle and operation board, but with regard to normal running; Owing to adopted rotary conversion selecting switch 15, when not needing to carry out the conversion of star angle, rotary conversion selecting switch 15 can be placed normally off.
Electric elements on the described electric elements mounting panel 2 comprise fuse link 6, △ shape operation time delay closing relay 4, Y shape operation time delay closing relay 5 that is installed in electric elements mounting panel 2 tops and the capacitor 7 that plays time-lag action; Be installed in 8,11,13 and four the auxiliary auxiliary relays 9,10,14,12 of three main auxiliary relays that only play interconnect function at electric elements mounting panel 2 middle parts; Be installed in the connecting terminal block 3 of electric elements mounting panel 2 bottoms; By the logic control of above element, make the correct adhesive or the dead electricity action of potential winding of three main auxiliary relays 8,11,13, make former A.C. contactor KM1 (master), KM2 (△), KM3 (Y) do (Y) star, the conversion of (△) angle.Be connected with corresponding public zero terminal on the connecting terminal block 3 by lead after the potential winding parallel connection of three main auxiliary relays 8,11,13 and four auxiliary auxiliary relays 9,10,14,12 and △ shape operation time delay closing relay 4 and Y shape operation time delay closing relay 5; Wherein, another contact of first main auxiliary relay 8 is connected with the normally opened contact of first auxiliary auxiliary relay 9; Another contact in turn of second main auxiliary relay 11 is connected with the normally closed point of the liftout button on the connecting terminal block 3 with the normally-closed contact of the 3rd main auxiliary relay 13 and the 3rd auxiliary auxiliary relay 14, is connected with fire line terminal on the connecting terminal block 3 through the normally opened contact of Y shape operation time delay closing relay 5 simultaneously; First auxiliary auxiliary relay 9 is connected with the normally opened contact of second main auxiliary relay 11, is connected with fire line terminal on the connecting terminal block 3 simultaneously; The 3rd main auxiliary relay 13 with after the normally opened contact of the normally-closed contact of the normally-closed contact of second main auxiliary relay 11, the 4th auxiliary auxiliary relay 12 and △ shape operation time delay closing relay 4 is connected, connects the fire line terminal on the connecting terminal block 3 successively again; Second auxiliary auxiliary relay 10 capacitor 7 of having gone up time-lag action in parallel, and be connected with the normally-closed contact of the 3rd auxiliary auxiliary relay 14, after the 3rd auxiliary auxiliary relay 14 and 4 parallel connections of △ shape operation time delay closing relay, another contact is connected with the normally opened contact of second auxiliary auxiliary relay 10 and the normally-closed contact of the 4th auxiliary auxiliary relay 12, is connected with limit switch on the connecting terminal block 3 through the normally opened contact of the 3rd auxiliary auxiliary relay 14 again; After the 4th auxiliary auxiliary relay 12 and Y shape operation time delay closing relay 5 are in parallel, another contact is connected with the 4th auxiliary auxiliary relay 12 normally-closed contacts through the normally opened contact of second auxiliary auxiliary relay 10, and the normally opened contact by the 3rd auxiliary auxiliary relay 14 connects the limit switch on the connecting terminal block 3; After the 4th auxiliary auxiliary relay 12 and Y shape operation time delay closing relay 5 are in parallel, another contact is connected with liftout finger contact on the connecting terminal block 3 through the normally-closed contact of the 3rd auxiliary auxiliary relay 14 and first auxiliary auxiliary relay 9, is connected with fire line terminal on the connecting terminal block 3 by the 4th auxiliary auxiliary relay 12 normally opened contacts simultaneously.
Described rotary conversion selecting switch 15, two strands of one end respectively with connecting terminal block 3 on public zero terminal be connected with contactor normally opened contact live wire KM1, KM2, KM3 on the connecting terminal block 3, two strands of the other end respectively with connecting terminal block 3 on public zero terminal be connected with KM1, KM3, FA1 normally opened contact input contact on the connecting terminal block; Described indicator light 16, one ends are connected with fire line terminal on the connecting terminal block 3 by the normally opened contact of second main auxiliary relay 11 and the 3rd main auxiliary relay 13, and the other end is connected with public zero terminal on the connecting terminal block 3.When using the utility model, connecting terminal block 3 and former control cubicle are connected with connecting terminal block on the operation board, can operate stable " door is non-" of realizing motor star angle routinely and change automatically by control line.
In circuit diagram, described three main auxiliary relays 8,11,13 are respectively J1, J3, J2; Described four auxiliary auxiliary relays 9,10,14,12 are respectively J31, J8, J14, J5; Described △ shape operation time delay closing relay 4 is S J4; Described Y shape operation time delay closing relay 5 is S J5; Be connected with the corresponding public zero terminal of connecting terminal block 3 by lead after the piezo coils parallel connection of three main auxiliary relays 8,11,13 and four auxiliary auxiliary relays 9,10,14,12 and △ shape operation time delay closing relay 4, Y shape operation time delay closing relay 5; Wherein, another contact of first main auxiliary relay 8 is connected with the normally opened contact J31-1 of first auxiliary auxiliary relay 9; The normally-closed contact J2-1 of another contact in turn of second main auxiliary relay 11 and the 3rd main auxiliary relay 13 and the 3rd auxiliary auxiliary relay 14 normally-closed contact J4-2 are connected with liftout button normally-closed contact on the connecting terminal block 3, are connected with fire line terminal on the connecting terminal block 3 through the normally opened contact S J5-1 of Y shape operation time delay closing relay 5 simultaneously; Another contact of first auxiliary auxiliary relay 9 is connected with the normally opened contact J3-3 of second main auxiliary relay 11, is connected with fire line terminal on the connecting terminal block 3 simultaneously; The 3rd main auxiliary relay 13 with after the normally opened contact SJ4-1 of the normally-closed contact J5-1 of the normally-closed contact J3-1 of second main auxiliary relay 11 and the 4th auxiliary auxiliary relay 12, △ shape operation time delay closing relay 4 is connected, connects the fire line terminal on the connecting terminal block 3 successively again; Second auxiliary auxiliary relay 10 electric capacity 7 of going up in parallel, and be connected with the normally-closed contact J4-4 of the 3rd auxiliary auxiliary relay 14, after the 3rd auxiliary auxiliary relay 14 and 4 parallel connections of △ shape operation time delay closing relay, another contact is connected with the 4th auxiliary auxiliary relay 12 normally-closed contact J5-2 with the normally opened contact J8-1 of second auxiliary auxiliary relay 10, be connected with limit switch on the connecting terminal block 3 through the normally opened contact J4-1 of the 3rd auxiliary auxiliary relay 14 again; After the 4th auxiliary auxiliary relay 12 and 5 parallel connections of Y shape operation time delay closing relay, another contact is connected with liftout finger contact on the connecting terminal block 3 through the normally-closed contact J31-2 of the normally opened contact J4-3 of the 3rd auxiliary auxiliary relay 14 and first auxiliary auxiliary relay 9, is connected with fire line terminal on the connecting terminal block 3 through the normally opened contact J5-3 of the 4th auxiliary auxiliary relay 12 simultaneously.
Described push type conversion selecting switch 15 is ZHK.
Below illustrate its application.When using the utility model in forging operation, startup, the operating procedure of its motor are as follows:
1, the starting button on the push dish, power supply arrives normally closed electric shock J4-2, the normally-closed contact J2-1 of the 3rd main auxiliary relay 13 of the 3rd auxiliary auxiliary relay 14 through closed electric shock of starting button, make second main auxiliary relay 11 get electric adhesive, and keep.Power supply is the normally-closed contact of the liftout button on operation board successively, the normally closed contact J4-2 of △ shape operation time delay closing relay 4, the normally closed contact J2-1 of the 3rd main auxiliary relay 13, make second main auxiliary relay 11, first auxiliary auxiliary relay 9 gets electric adhesive, the normally opened contact J1-2 of first the main auxiliary relay 8 that is connected with main contactor on the circuit board in the control cubicle and the normally opened contact J3-2 closure of second main auxiliary relay 11, power supply is delivered to the contact KM1 of the A.C. contactor in the control cubicle, KM3, make A.C. contactor get electric adhesive, and adhesive keeps, and motor is promptly made constant star-star connection mode and moved.
2, the work of forging begins, when forging is sent in the process of forcing press, when collision block is run into limit switch, limit switch normally opened contact closure, power supply gets an electric shock through limit switch is closed, normally closed some J5-2 of the 4th auxiliary auxiliary relay 12, the normally closed contact J4-4 of the 3rd auxiliary auxiliary relay 14 get, make the normally opened contact of second auxiliary auxiliary relay 10 get electric adhesive, because the normally opened contact J4-1 of the 3rd auxiliary auxiliary relay 14 gets electric closure, and keep, so the normally-closed contact J4-2 of the 3rd auxiliary auxiliary relay 14 opens.Second main auxiliary relay 11 dead electricity disconnected, promptly normal battle of the J3-2 of second main auxiliary relay 11 opens, the KM3 contact outage of the A.C. contactor in the control cubicle was lost efficacy, the 3rd auxiliary auxiliary relay 14, △ shape operation time delay closing relay 5 gets electric adhesive, normal timing closing battle of time of △ shape operation time delay closing relay 4, power supply is through the normally-closed contact J5-1 of the 4th auxiliary auxiliary relay 12, the normally-closed contact J3-1 of second main auxiliary relay 11, make the 3rd main auxiliary relay 13 get electric adhesive, the normally opened contact J2-2 closure of the 3rd the main auxiliary relay 13 that is connected with the KM2 contact of A.C. contactor in the control cubicle, make the KM2 of A.C. contactor get electric adhesive, motor is done the operation of delta connection form, increase moment, satisfy and produce needs.
3, forge end, expectation button on the push dish is often opened the closure of getting an electric shock, power supply is through the normally-closed contact J4-3 of the 3rd auxiliary auxiliary relay 14 and the normally closed point of first auxiliary auxiliary relay 9, make the normally-closed contact dead electricity of the 4th auxiliary auxiliary relay 12, Y shape operation time delay closing relay 5 gets electric adhesive, the normally-closed contact J5-1 of the 4th auxiliary auxiliary relay 12 opens, the 3rd main auxiliary relay 13 dead electricity, the normally opened contact J2-2 of the 3rd the main auxiliary relay 13 that is connected with the KM2 contact of A.C. contactor in the control cubicle opens, make the KM2 contact dead electricity of the A.C. contactor in the control cubicle, the delta connection mode is through with, △ shape operation time delay closing relay 4 is often opened electric shock timing closing, power supply is through the normally-closed contact J4-2 of the 3rd auxiliary auxiliary relay 14, the normally-closed contact J2-1 of the 3rd main auxiliary relay 13, make second main auxiliary relay 11 adhesive, and the normally opened contact J5-3 self-insurance of the 4th auxiliary auxiliary relay 12 is kept, the normally opened contact J3-2 closure of second main auxiliary relay 11 is connected with the KM3 contact of A.C. contactor in the control cubicle, make the A.C. contactor KM3 contact in the control cubicle get electric adhesive, motor is made the star-star connection mode again and is moved, and has finished a work period.
Claims (3)
1. a motor is with setting up the automatic switching controller in star angle, comprise control star angle electric elements mounting panel (2), connecting terminal block (3) and the indicator light (16) of conversion automatically, it is characterized in that: the described control star angle automatically electric elements mounting panel (2) of conversion is fixed on independently in the rectangular box (1), be provided with indicator light (16) and rotary conversion selecting switch (15) on the top of rectangular box (1) front face independently, independently be provided with connecting terminal block (3) on rectangular box (1) base plate.
2. motor according to claim 1 is with setting up the automatic switching controller in star angle, it is characterized in that the electric elements on the described electric elements mounting panel (2), comprise fuse link (6), △ shape operation time delay closing relay (4), Y shape operation time delay closing relay (5) that is installed in electric elements mounting panel (2) top and the capacitor (7) that plays time-lag action; Be installed in three the main auxiliary relays (8,11,13) that only play interconnect function and four auxiliary auxiliary relays (9,10,14,12) at electric elements mounting panel (2) middle part; Be installed in the connecting terminal block (3) of electric elements mounting panel (2) bottom; Going up corresponding public zero terminal by lead and connecting terminal block (3) after the potential winding parallel connection of three main auxiliary relays (8,11,13) and four auxiliary auxiliary relays (9,10,14,12) and △ shape operation time delay closing relay (4) and Y shape operation time delay closing relay (5) is connected; Wherein, another contact of first main auxiliary relay (8) is connected with the normally opened contact of first auxiliary auxiliary relay (9); Another contact in turn of second main auxiliary relay (11) is connected with the normally-closed contact of the 3rd main auxiliary relay (13) and the 3rd auxiliary auxiliary relay (14), the liftout button normally-closed contact on the connecting terminal block (3), is connected with fire line terminal on the connecting terminal block (3) through the normally opened contact of Y shape operation time delay closing relay (5) simultaneously; First auxiliary auxiliary relay (9) is connected with the normally opened contact of second main auxiliary relay (11), is connected with fire line terminal on the connecting terminal block (3) simultaneously; The 3rd main auxiliary relay (13) with after the normally opened contact of the normally opened contact of the normally-closed contact of second main auxiliary relay (11), the 4th auxiliary auxiliary relay (12) and △ shape operation time delay closing relay (4) is connected, connects the fire line terminal on the connecting terminal block (3) successively again; Play the capacitor (7) of time-lag action in second auxiliary auxiliary relay (10) parallel connection, and be connected with the normally-closed contact of the 3rd auxiliary auxiliary relay (14), after the 3rd auxiliary auxiliary relay (14) and the parallel connection of △ shape operation time delay closing relay (4), another contact and the normally opened contact of second auxiliary auxiliary relay (10) are connected with normally-closed contact with the 4th auxiliary auxiliary relay (12), are connected with limit switch on the connecting terminal block (3) through the normally opened contact of the 3rd auxiliary auxiliary relay (14) again; After the 4th auxiliary auxiliary relay (12) and Y shape operation time delay closing relay (5) is in parallel, another contact is connected with liftout finger contact on the connecting terminal block (3) through the normally-closed contact of the 3rd auxiliary auxiliary relay (14) and first auxiliary auxiliary relay (9), is connected with fire line terminal on the connecting terminal block (3) by the normally opened contact of the 4th auxiliary auxiliary relay (12) simultaneously.
3. motor according to claim 1 and 2 is with setting up the automatic switching controller in star angle, it is characterized in that described rotary conversion selecting switch (15), two strands of one end respectively with connecting terminal block (3) on public zero terminal be connected with contactor normally opened contact live wire on the connecting terminal block (3), two strands of the other end respectively with connecting terminal block (3) on public zero terminal be connected with normally opened contact input contact on the connecting terminal block (3); Described indicator light (16), one end is connected with fire line terminal on the connecting terminal block (3) by the normally opened contact of second main auxiliary relay (11) and the 3rd main auxiliary relay (13), and the other end is connected with public zero terminal on the connecting terminal block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206590599U CN201928216U (en) | 2010-12-15 | 2010-12-15 | Separately-arranged star-delta automatic conversion controller for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206590599U CN201928216U (en) | 2010-12-15 | 2010-12-15 | Separately-arranged star-delta automatic conversion controller for motor |
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| Publication Number | Publication Date |
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| CN201928216U true CN201928216U (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206590599U Expired - Lifetime CN201928216U (en) | 2010-12-15 | 2010-12-15 | Separately-arranged star-delta automatic conversion controller for motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103580581A (en) * | 2012-07-27 | 2014-02-12 | 任维平 | Electricity-saving appliance special for double control of large double-disk friction press |
-
2010
- 2010-12-15 CN CN2010206590599U patent/CN201928216U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103580581A (en) * | 2012-07-27 | 2014-02-12 | 任维平 | Electricity-saving appliance special for double control of large double-disk friction press |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LAIWU WENLING PRECISION FORGING TECHNOLOGY CO., LT Free format text: FORMER NAME: LAIWU WENLING FORGING CO., LTD. Owner name: SHANDONG WENLING PRECISION FORGING TECHNOLOGY CO., Free format text: FORMER NAME: LAIWU WENLING PRECISION FORGING TECHNOLOGY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 271105 Shandong province Laiwu Steel City Li Xin Zhen Lixin Industrial Park No. 1 Wenling Road Patentee after: SHANDONG WENLING PRECISION FORGING TECHNOLOGY Co.,Ltd. Address before: 271105 Shandong province Laiwu Steel City Li Xin Zhen Lixin Industrial Park No. 1 Wenling Road Patentee before: Wenling Laiwu Precision Forging Technology Co.,Ltd. Address after: 271105 Shandong province Laiwu Steel City Li Xin Zhen Lixin Industrial Park No. 1 Wenling Road Patentee after: Wenling Laiwu Precision Forging Technology Co.,Ltd. Address before: 271105 Shandong province Laiwu Steel City Li Xin Zhen Lixin Industrial Park No. 1 Wenling Road Patentee before: LAIWU WENLING FORGING Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110810 |