CN2710249Y - Star-delta automatic commutator for light-heavy load of electric motor of injection machine - Google Patents
Star-delta automatic commutator for light-heavy load of electric motor of injection machine Download PDFInfo
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- CN2710249Y CN2710249Y CN 200420058985 CN200420058985U CN2710249Y CN 2710249 Y CN2710249 Y CN 2710249Y CN 200420058985 CN200420058985 CN 200420058985 CN 200420058985 U CN200420058985 U CN 200420058985U CN 2710249 Y CN2710249 Y CN 2710249Y
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- relay
- star
- injection molding
- molding machine
- triangular form
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Abstract
Disclosed is a star-delta automatic exchanging unit for light-heavy load of electric motor of injection machine, which is an injection machine electric motor controller. The star-delta exchanging portion is connected with the control port of the injection machine, of which operation signals automatically control the exchanging mode of connection of the electric motor. When the injection machine is in heavy load state, the mode of connection of the electric motor is delta; when the injection machine is in light load state, the mode of connection of the electric motor is star. The injection machine is reduced in consuming and saves electric energy when working.
Description
Technical field
The utility model relates to a kind of injection molding machine electric machine controller.
Background technology
In existing injection molding machine, with the startup that starts knob, stop button and relay control motor with stop, the input wires mode of motor is a triangular form, and in the injection molding machine course of work, motor remains at the operating state of triangular form wiring.Injection molding machine needs certain cooling time when producing working of plastics, make the moulding cooling and shaping.In period, the load of motor is very light at this section, consumed power in vain, and the power of injection molding machine motor is big more, the cooling time of moulding is long more, and the electric energy of waste is many more.
In the input wires mode of three phase electric machine, divide wye connection and triangular form connection.Triangular form connection motor power output is big, and the electric energy of consumption is also big; The wye connection rotating speed of motor remains unchanged, but power output is little, and the electric energy of consumption is also very little, is about 1/3rd of triangular form connection.In the use of motor, there is the switching that utilizes relay to make the input wires mode of motor change the triangular form connection into by wye connection, be convenient to the startup of motor.
Summary of the invention
The purpose of this utility model provide a kind of by injection molding machine control, switch to the triangular form connection when the motor heavy duty, switch to the electric machine controller of wye connection during in the motor underload.
The purpose of this utility model realizes by following design.
The injection molding machine motor weight star-like triangular form automatic switch of loading is made up of holding wire and star-like triangular form switching part, and an end of holding wire links to each other with the control port of injection molding machine, and the other end links to each other with the control coil of the relay of star-like triangular form switching part.The contact of star-like triangular form switching part relay links to each other with the winding of motor with three-phase power electricity respectively.When obtaining the signal (as the matched moulds signal) that needs the injection molding machine motor to work from control port under heavy condition, star-like triangular form switching part switches to the triangular form connection with the wiring of motor; When obtaining the signal (as taking out glue signal or die sinking signal) that needs the injection molding machine motor to work from control port under light condition, star-like triangular form switching part switches to wye connection with the wiring of motor.
Load first kind of structure of star-like triangular form automatic switch of injection molding machine motor weight is, the relay of star-like triangular form switching part is single relay, holding wire is single, and an end of holding wire links to each other with the control port of injection molding machine, and the other end directly links to each other with the control coil of relay; One end of three normally opened contacts of relay links to each other, and the other end links to each other with the joint of motor three phase windings one end and an end of three normally-closed contacts respectively simultaneously; The other end of three normally-closed contacts of relay links to each other with three-phase power electricity with the joint of the motor three phase winding other ends respectively simultaneously.
Load second kind of structure of star-like triangular form automatic switch of injection molding machine motor weight is, the relay of star-like triangular form switching part is single relay, holding wire is single, and an end of holding wire links to each other with the control port of injection molding machine, and the other end directly links to each other with the control coil of relay; One end of three normally-closed contacts of relay links to each other, and the other end links to each other with the joint of motor three phase windings one end and an end of three normally opened contacts respectively simultaneously; The other end of three normally opened contacts of relay links to each other with three-phase power electricity with the joint of the motor three phase winding other ends respectively simultaneously.
Load the third structure of star-like triangular form automatic switch of injection molding machine motor weight is, star-like triangular form switching part is made up of transfer relay and auxiliary relay, holding wire is single, one end of holding wire links to each other with the control port of injection molding machine, and the other end links to each other with the control coil of auxiliary relay; The contact of auxiliary relay is connected in the transfer relay coil control circuit; One end of three contacts of transfer relay links to each other, and the while links to each other with an end of three contacts of joint and other of motor three phase windings one end the other end respectively; The other end of three contacts links to each other with three-phase power electricity with the joint of the motor three phase winding other ends respectively simultaneously in addition.
Load the 4th kind of structure of star-like triangular form automatic switch of injection molding machine motor weight is, star-like triangular form switching part is made up of transfer relay and auxiliary relay, holding wire is two, one end of two holding wires links to each other with the control signal port of injection molding machine respectively, and the other end links to each other with the control coil of auxiliary relay respectively; The contact of auxiliary relay is connected in the transfer relay coil control circuit; One end of three contacts of transfer relay links to each other, and the while links to each other with an end of three contacts of joint and other of motor three phase windings one end the other end respectively; The other end of three contacts links to each other with three-phase power electricity with the joint of the motor three phase winding other ends respectively simultaneously in addition.
Load the 5th kind of structure of star-like triangular form automatic switch of injection molding machine motor weight is, star-like triangular form switching part is made up of transfer relay and auxiliary relay, holding wire is a number more than or equal to three many, one end of holding wire links to each other with a plurality of control signal ports of injection molding machine respectively, and the other end links to each other with the control coil of auxiliary relay by the contact of auxiliary relay respectively; In the transfer relay coil control circuit, be connected with the contact of auxiliary relay; One end of three contacts of transfer relay links to each other, and the while links to each other with an end of three contacts of joint and other of motor three phase windings one end the other end respectively; The other end of three contacts links to each other with three-phase power electricity with the joint of the motor three phase winding other ends respectively simultaneously in addition.
Injection molding machine motor weight is loaded star-like triangular form automatic switch when work, obtain the control signal of motor at port by holding wire, when obtaining to need the signal of motor heavy duty work,, convert the wiring of motor to the triangular form connection by the switching of relay; When obtaining to need the signal of motor underloading work,, convert the wiring of motor to wye connection by the switching of relay.
The injection molding machine motor weight star-like triangular form automatic switch of loading can be automatically switch to the triangular form connection with the motor wiring when the heavy duty of injection molding machine motor, when underloading, the motor wiring is switched to wye connection, do not influence the power output of motor when heavy duty, and that the electric current when the motor underloading is reduced to is original about 1/3rd, greatly reduces the electric energy that the motor underloading consumes.
Description of drawings
Fig. 1 is the load motor winding diagram of first kind of structure of star-like triangular form automatic switch of injection molding machine motor weight.
Fig. 2 is the load control relay circuit winding diagram of first kind of structure of star-like triangular form automatic switch of injection molding machine motor weight.
Fig. 3 is the load motor winding diagram of second kind of structure of star-like triangular form automatic switch of injection molding machine motor weight.
Fig. 4 is the load control relay circuit winding diagram of second kind of structure of star-like triangular form automatic switch of injection molding machine motor weight.
Fig. 5 is the load motor winding diagram of star-like the third structure of triangular form automatic switch of injection molding machine motor weight.
Fig. 6 is the load control relay circuit winding diagram of star-like the third structure of triangular form automatic switch of injection molding machine motor weight.
Fig. 7 is the load auxiliary relay control circuit winding diagram of star-like the third structure of triangular form automatic switch of injection molding machine motor weight.
Fig. 8 is the load motor winding diagram of the 4th kind of structure of star-like triangular form automatic switch of injection molding machine motor weight.
Fig. 9 is the load control relay circuit winding diagram of the 4th kind of structure of star-like triangular form automatic switch of injection molding machine motor weight.
Figure 10 is the load auxiliary relay control circuit winding diagram of the 4th kind of structure of star-like triangular form automatic switch of injection molding machine motor weight.
Figure 11 is the load motor winding diagram of the 5th kind of structure of star-like triangular form automatic switch of injection molding machine motor weight.
Figure 12 is the load control relay circuit winding diagram of the 5th kind of structure of star-like triangular form automatic switch of injection molding machine motor weight.
Figure 13 is the load auxiliary relay control circuit winding diagram of the 5th kind of structure of star-like triangular form automatic switch of injection molding machine motor weight.
Execution mode
Accompanying drawing is embodiment of the present utility model.
Fig. 1, Fig. 2 are the embodiment of first kind of structure of the present utility model.
As shown in Figure 1, (3) are alternating current machine, and (1) is the normally-closed contact of transfer relay KM1, and (2) are the normally opened contact of transfer relay KM1.
As shown in Figure 2, (4) are the control port of injection molding machine, and (5) are holding wire, and (6) are the control coil of transfer relay KM1.
Under this kind of version, when control port (4) is given signal, the control coil of transfer relay KM1 (6) energising, the normally-closed contact of transfer relay KM1 (1) disconnects, the normally opened contact of transfer relay KM1 (2) closure, alternating current machine (3) convert star-like mode of connection running to.Control port (4) is not when having signal, and the control coil of transfer relay KM1 (6) cuts off the power supply, the normally-closed contact of transfer relay KM1 (1) closure, and the normally opened contact of transfer relay KM1 (2) disconnects, and alternating current machine (3) converts the running of the triangular form mode of connection to.
Fig. 3, Fig. 4 are the embodiment of second kind of structure of the present utility model.
As shown in Figure 3, (9) are alternating current machine, and (7) are the normally opened contact of transfer relay KM2, and (8) are the normally-closed contact of transfer relay KM2.
As shown in Figure 4, (10) are the control port of injection molding machine, and (11) are holding wire, and (12) are the control coil of transfer relay KM2.
Under this kind of version, when control port (10) is given signal, the control coil of transfer relay KM2 (12) energising, the normally-closed contact of transfer relay KM2 (8) disconnects, the normally opened contact of transfer relay KM2 (7) closure, alternating current machine (9) convert the running of the triangular form mode of connection to.Control port (10) is not when having signal, and the control coil of transfer relay KM2 (12) cuts off the power supply, the normally-closed contact of transfer relay KM2 (8) closure, and the normally opened contact of transfer relay KM2 (7) disconnects, and alternating current machine (9) converts star-like mode of connection running to.
Fig. 5, Fig. 6, Fig. 7 are the embodiment of the third structure of the present utility model.
As shown in Figure 5, (15) are alternating current machine, and (14) are the normally-closed contact of transfer relay KM3, and (13) are the normally opened contact of transfer relay KM3.
As shown in Figure 6, (16) are the normally opened contact of auxiliary relay KM4, and (17) are the control coil of transfer relay KM3.
As shown in Figure 7, (18) are the control port of injection molding machine, and (19) are holding wire, and (20) are the control coil of auxiliary relay KM4.
Under this kind of version, when control port (18) is given signal, the control coil of auxiliary relay KM4 (20) energising, the normally opened contact of auxiliary relay KM4 (16) closure, the control coil of transfer relay KM3 (17) energising, the normally-closed contact of transfer relay KM3 (14) disconnects, the normally opened contact of transfer relay KM3 (13) closure, and alternating current machine (15) converts the running of the triangular form mode of connection to.Control port (18) is not when having signal, the control coil of auxiliary relay KM4 (20) outage, the normally opened contact of auxiliary relay KM4 (16) disconnects, the control coil of transfer relay KM3 (17) outage, the normally-closed contact of transfer relay KM3 (14) closure, the normally opened contact of transfer relay KM3 (13) disconnects, and alternating current machine (15) converts star-like mode of connection running to.
Fig. 8, Fig. 9, Figure 10 are the embodiment of the 4th kind of structure of the present utility model.
As shown in Figure 8, (23) are alternating current machine, and (21) are the normally opened contact of transfer relay KM5, and (22) are the normally opened contact of transfer relay KM6.
As shown in Figure 9, (24) be the normally opened contact of auxiliary relay KM7, (25) be the normally-closed contact of auxiliary relay KM8, (26) be the normally-closed contact of transfer relay KM6, (27) be the control coil of transfer relay KM5, (31) are the normally opened contact of auxiliary relay KM8, and (30) are the normally-closed contact of auxiliary relay KM7, (29) be the normally-closed contact of transfer relay KM5, (28) are the control coil of transfer relay KM6.。
As shown in figure 10, (32) are the override signal control port of injection molding machine, and (37) are the underloading signal controlling port of injection molding machine, and (33), (36) are holding wire, and (34) are the control coil of auxiliary relay KM7, and (35) are the control coil of auxiliary relay KM8.
Under this kind of version, override signal control port (32) is given signal, the control coil of auxiliary relay KM7 (34) energising, the normally-closed contact of auxiliary relay KM7 (30) disconnects, the normally opened contact of auxiliary relay KM7 (24) closure, the control coil of transfer relay KM6 (28) outage, the normally opened contact of transfer relay KM6 (22) disconnects, the normally-closed contact of transfer relay KM6 (26) is connected, the control coil of transfer relay KM5 (27) energising, the normally opened contact of transfer relay KM5 (21) closure, alternating current machine (23) convert the running of the triangular form mode of connection to.Underloading signal controlling port (37) is given signal, the control coil of auxiliary relay KM8 (35) energising, the normally-closed contact of auxiliary relay KM8 (25) disconnects, the normally opened contact of auxiliary relay KM8 (31) closure, the control coil of transfer relay KM5 (27) outage, the normally opened contact of transfer relay KM5 (21) disconnects, the normally-closed contact of transfer relay KM5 (29) is connected, the control coil of transfer relay KM6 (28) energising, the normally opened contact of transfer relay KM6 (22) closure, alternating current machine (23) convert star-like mode of connection running to.
Figure 11, Figure 12, Figure 13 are the embodiment of the 5th kind of structure of the present utility model.
As shown in figure 11, (40) are alternating current machine, and (38) are the normally opened contact of transfer relay KM9, and (39) are the normally opened contact of transfer relay KM10.
As shown in figure 12, (41), (50) be the normally opened contact of auxiliary relay KM12, (55), (53) be the normally-closed contact of auxiliary relay KM12, (42) be the normally-closed contact of transfer relay KM9, (43) be the normally-closed contact of transfer relay KM10, (44) be the control coil of transfer relay KM9, (45) be the control coil of transfer relay KM10, (46) be the control coil of auxiliary relay KM11, (47) be the control coil of auxiliary relay KM12, (48) be the normally-closed contact of auxiliary relay KM11, (52) be the normally opened contact of auxiliary relay KM11, (49) be the normally opened contact of auxiliary relay KM14, (51) are the normally opened contact of auxiliary relay KM15, and (54) are the normally opened contact of auxiliary relay KM13.
As shown in figure 13, (56) take out glue signal controlling port for injection molding machine, (66) be the matched moulds signal controlling port of injection molding machine, (65) be the die sinking signal controlling port of injection molding machine, (57), (67), (64) are holding wire, (58), (63) are the normally-closed contact of auxiliary relay KM11, (59) be the normally-closed contact of auxiliary relay KM12, (60) be the control coil of auxiliary relay KM13, (61) be the control coil of auxiliary relay KM14, (62) are the control coil of auxiliary relay KM15.
Under this kind of version, during the injection molding machine start, take out all no signals of glue signal controlling port (56), matched moulds signal controlling port (66) and die sinking signal controlling port (65), the control coil of transfer relay KM10 (45) is connected, the normally opened contact of transfer relay KM10 (39) is connected, and alternating current machine (40) starts under the star-like mode of connection.
When the injection molding machine matched moulds, matched moulds signal controlling port (66) energising, the control coil of auxiliary relay KM14 (61) energising, the normally opened contact of auxiliary relay KM14 (49) closure, the control coil of auxiliary relay KM12 (47) energising, the normally opened contact of auxiliary relay KM12 (50), (41) closure, the normally-closed contact of auxiliary relay KM12 (55), (53), (59) disconnect, make control coil (45) outage of transfer relay KM10, the normally opened contact of transfer relay KM10 (39) disconnects, the normally-closed contact of transfer relay KM10 (43) closure, the control coil of transfer relay KM9 (44) energising, the normally opened contact of transfer relay KM9 (38) closure, alternating current machine (40) convert the running of the triangular form mode of connection to.
When injection molding machine is taken out glue, take out glue signal controlling port (56) energising, the control coil of auxiliary relay KM13 (60) energising, the normally opened contact of auxiliary relay KM13 (54) closure, the control coil of auxiliary relay KM11 (46) energising, the normally opened contact of auxiliary relay KM11 (52) closure, the normally-closed contact of auxiliary relay KM11 (48) disconnects, make control coil (47) outage of auxiliary relay KM12, the normally-closed contact of auxiliary relay KM12 (55), (53), (59) closure, the normally opened contact of auxiliary relay KM12 (50), (41) disconnect, make control coil (44) outage of transfer relay KM9, the normally opened contact of transfer relay KM9 (38) disconnects, the normally-closed contact of transfer relay KM9 (42) closure, make control coil (45) energising of transfer relay KM10, the normally opened contact of transfer relay KM10 (39) closure, alternating current machine (40) converts star-like mode of connection running to.
The course of action of die sinking signal controlling port (65) signal is identical with the course of action of taking out glue signal controlling port (56) signal, and this signal port is to carry out the conversion of the star-like triangular form mode of connection of motor when making injection molding machine be operated in manual mode.
Claims (5)
1, a kind of injection molding machine motor weight star-like triangular form automatic switch of loading, it is characterized in that forming by holding wire and star-like triangular form switching part, one end of holding wire links to each other with the control port of injection molding machine, the other end links to each other with the control coil of star-like triangular form switching part relay, the signal of the injection molding machine motor heavy duty work of control port output makes star-like triangular form switching part that the wiring of motor is switched to the triangular form connection, and the signal of the injection molding machine motor underloading work of control port output makes star-like triangular form switching part that the wiring of motor is switched to wye connection.
2, by the described injection molding machine motor of the claim 1 weight star-like triangular form automatic switch of loading, the relay that it is characterized in that said star-like triangular form switching part is single relay, holding wire is single, one end of holding wire links to each other with the control port of injection molding machine, and the other end directly links to each other with the control coil of relay.
3, by the described injection molding machine motor of the claim 1 weight star-like triangular form automatic switch of loading, it is characterized in that said star-like triangular form switching part is made up of transfer relay and auxiliary relay, holding wire is single, one end of holding wire links to each other with the control port of injection molding machine, the other end links to each other with the control coil of auxiliary relay, and the contact of auxiliary relay is connected in the transfer relay coil control circuit.
4, by the described injection molding machine motor of the claim 1 weight star-like triangular form automatic switch of loading, it is characterized in that said star-like triangular form switching part is made up of transfer relay and auxiliary relay, holding wire is two, one end of two holding wires links to each other with the control signal port of injection molding machine respectively, the other end links to each other with the control coil of auxiliary relay respectively, and the contact of auxiliary relay is connected in the transfer relay coil control circuit.
5, by the described injection molding machine motor of the claim 1 weight star-like triangular form automatic switch of loading, it is characterized in that said star-like triangular form switching part is made up of transfer relay and auxiliary relay, holding wire is a number more than or equal to three many, one end of holding wire links to each other with a plurality of control signal ports of injection molding machine respectively, the other end links to each other with the control coil of auxiliary relay by the contact of auxiliary relay respectively, is connected with the contact of auxiliary relay in the transfer relay coil control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420058985 CN2710249Y (en) | 2004-05-07 | 2004-05-07 | Star-delta automatic commutator for light-heavy load of electric motor of injection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420058985 CN2710249Y (en) | 2004-05-07 | 2004-05-07 | Star-delta automatic commutator for light-heavy load of electric motor of injection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2710249Y true CN2710249Y (en) | 2005-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420058985 Expired - Fee Related CN2710249Y (en) | 2004-05-07 | 2004-05-07 | Star-delta automatic commutator for light-heavy load of electric motor of injection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2710249Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108462424A (en) * | 2018-01-03 | 2018-08-28 | 广东美芝制冷设备有限公司 | Machine winding connection control circuit, frequency-variable air-conditioner and control method |
-
2004
- 2004-05-07 CN CN 200420058985 patent/CN2710249Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108462424A (en) * | 2018-01-03 | 2018-08-28 | 广东美芝制冷设备有限公司 | Machine winding connection control circuit, frequency-variable air-conditioner and control method |
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| CF01 | Termination of patent right due to non-payment of annual fee |