CN202737792U - Automatic converting circuit for intelligent power-saving cabinet - Google Patents
Automatic converting circuit for intelligent power-saving cabinet Download PDFInfo
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- CN202737792U CN202737792U CN 201220403693 CN201220403693U CN202737792U CN 202737792 U CN202737792 U CN 202737792U CN 201220403693 CN201220403693 CN 201220403693 CN 201220403693 U CN201220403693 U CN 201220403693U CN 202737792 U CN202737792 U CN 202737792U
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Abstract
An automatic converting circuit for an intelligent energy-saving cabinet belongs to the technical field of intelligent energy-saving cabinets. One end of an input connecting terminal (J1) of the automatic converting circuit is connected to a three-phase source while the other end of the input connecting terminal (J1) is connected with an input current meter and a mutual inductor (A), an input voltage meter (V1), one end of a power frequency air circuit-breaker (K2), one end of an energy-saving air circuit-breaker, and one end of a secondary circuit fuse (F1) respectively; a direct current reactor (5) is connected in serial on a direct current bus of an intelligent power-saving device (2); a brake unit (4) is connected in parallel on the direct current bus of the intelligent power-saving device (2); one end of a normally open contact of a stop button (SB2) is connected with an SP3 end of the intelligent power-saving device (2) while the other end is connected with one end of an SD end of the intelligent power-saving device (2), such to perform a resetting function; and two ends of a normally open contact of a power-saving alternating current contactor (K3) is connected with the other end of the SD end and an RUN end of the intelligent power-saving device (2) so as to perform a self-starting function. According to the automatic converting circuit for the intelligent energy-saving cabinet, automatic conversion can be performed, the circuit is convenient to use, time is saved, and a perfect using effect can be achieved.
Description
Technical field
The utility model relates to intelligent energy-saving cabinet technical field, relates in particular to a kind of automatic switching circuit of intelligent energy-saving cabinet.
Background technology
The intelligent energy-saving cabinet is widely used in electric utility, the intelligent energy-saving cabinet will reach the effect of intelligence and economize on electricity mainly still by the change-over circuit of self, and still existing change-over circuit does not often reach desirable effect when using, and some also needs artificial conversion, inconvenient during use, and lose time.
Summary of the invention
The purpose of this utility model provides a kind of automatic switching circuit of intelligent energy-saving cabinet, and it can be changed automatically, and is easy to use, saves time, and can reach desirable result of use.
In order to solve the existing problem of background technology; the utility model is to adopt following technical scheme: it comprises input wires terminal J1; input current table and instrument transformer A; input voltage Table V 1; power frequency air switch K2; energy-saving air K switch 1; input filter 1; industrial frequency AC contactor K4; brake resistance 3; brake unit 4; direct current reactor 5; intelligent electric-saving device 2; heat protector of motor KT; power-saving alternating-current contactor K3; output voltage meter V2; lead-out terminal J2; secondary circuit fuse F1; stop button SB2; energy conservation starting button SB1; power frequency startup button SB4; protection relay K5; degaussing circuit RC; manually/automatic change-over switch SB3; three phase mains is connected with the end of input wires terminal J1; the other end of input wires terminal J1 respectively with input current table and instrument transformer A; input voltage Table V 1; the end of power frequency air switch K2; one end of energy-saving air K switch 1; the end of secondary circuit fuse F1 connects; the NO end ground connection of input wires terminal J1; the other end of power frequency air switch K2 is connected with the end of industrial frequency AC contactor K4; the other end of industrial frequency AC contactor K4 is connected with the end of heat protector of motor KT; the other end of heat protector of motor KT is connected with the end of lead-out terminal J2; the other end of lead-out terminal J2 is connected with motor; the other end of energy-saving air K switch 1 is connected with an end of input filter 1; the other end of input filter 1 is connected with an end of intelligent electric-saving device 2; the other end of intelligent electric-saving device 2 is connected with the end of power-saving alternating-current contactor K3; the other end of power-saving alternating-current contactor K3 respectively with output voltage meter V2; the end of lead-out terminal J2 connects; direct current reactor 5 is serially connected on the dc bus of intelligent electric-saving device 2; brake unit 4 is attempted by on the dc bus of intelligent electric-saving device 2; brake resistance 3 is connected with brake unit 4; the other end of secondary circuit fuse F1 is connected with an end of the normally closed point of stop button SB2; the other end of the normally closed point of stop button SB2 respectively with the end of energy conservation starting button SB1; one end of the normally opened contact of protection relay K5; artificial/automatically end of change-over switch SB3; one end of the normally opened contact of industrial frequency AC contactor K4; the end of power frequency startup button SB4 connects; the other end of energy conservation starting button SB1 respectively with the other end of the normally opened contact of protection relay K5; the end of protection relay K5; one end of the normally-closed contact of the NC1 of intelligent electric-saving device 2 connects; the other end of the normally-closed contact of the NC1 of intelligent electric-saving device 2 is connected with an end of the normally-closed contact of industrial frequency AC contactor K4; the other end of the normally-closed contact of industrial frequency AC contactor K4 respectively with an end of power-saving alternating-current contactor K3 coil; one end of first pair of normally-closed contact of power-saving alternating-current contactor K3 connects; the other end of first pair of normally-closed contact of power-saving alternating-current contactor K3 is connected with the end of degaussing circuit RC; manually/automatically the other end of change-over switch SB3 is connected with an end of the normally opened contact of the NC2 of intelligent electric-saving device 2; the other end of the normally opened contact of the NC2 of intelligent electric-saving device 2 respectively with the other end of the normally opened contact of industrial frequency AC contactor K4; the other end of power frequency startup button SB4; one end of second pair of normally-closed contact of power-saving alternating-current contactor K3 connects; the other end of second pair of normally-closed contact of power-saving alternating-current contactor K3 is connected with an end of industrial frequency AC contactor K4 coil; the other end of industrial frequency AC contactor K4 coil is connected with an end of the normally-closed contact of heat protector of motor KT; the other end of the normally-closed contact of heat protector of motor KT respectively with the other end of degaussing circuit RC; the other end of power-saving alternating-current contactor K3 coil; the other end of protection relay K5 links to each other and ground connection; the end of the normal battle of stop button SB2 is connected with the SP3 of intelligent electric-saving device 2 end; the end of the SD of its other end and intelligent electric-saving device 2 is connected to form and resets, the two ends of the normally opened contact of power-saving alternating-current contactor K3 respectively with the other end of the SD of intelligent electric-saving device 2; the RUN end connects and forms from opening.
The utility model can be changed automatically, and is easy to use, saves time, and can reach desirable result of use.
Description of drawings:
Fig. 1 is electrical block diagram of the present utility model.
Embodiment:
Referring to Fig. 1; this embodiment adopts following technical scheme: it comprises input wires terminal J1; input current table and instrument transformer A; input voltage Table V 1; power frequency air switch K2; energy-saving air K switch 1; input filter 1; industrial frequency AC contactor K4; brake resistance 3; brake unit 4; direct current reactor 5; intelligent electric-saving device 2; heat protector of motor KT; power-saving alternating-current contactor K3; output voltage meter V2; lead-out terminal J2; secondary circuit fuse F1; stop button SB2; energy conservation starting button SB1; power frequency startup button SB4; protection relay K5; degaussing circuit RC; manually/automatic change-over switch SB3; three phase mains is connected with the end of input wires terminal J1; the other end of input wires terminal J1 respectively with input current table and instrument transformer A; input voltage Table V 1; the end of power frequency air switch K2; one end of energy-saving air K switch 1; the end of secondary circuit fuse F1 connects; the NO end ground connection of input wires terminal J1; the other end of power frequency air switch K2 is connected with the end of industrial frequency AC contactor K4; the other end of industrial frequency AC contactor K4 is connected with the end of heat protector of motor KT; the other end of heat protector of motor KT is connected with the end of lead-out terminal J2; the other end of lead-out terminal J2 is connected with motor; the other end of energy-saving air K switch 1 is connected with an end of input filter 1; the other end of input filter 1 is connected with an end of intelligent electric-saving device 2; the other end of intelligent electric-saving device 2 is connected with the end of power-saving alternating-current contactor K3; the other end of power-saving alternating-current contactor K3 respectively with output voltage meter V2; the end of lead-out terminal J2 connects; direct current reactor 5 is serially connected on the dc bus of intelligent electric-saving device 2; brake unit 4 is attempted by on the dc bus of intelligent electric-saving device 2; brake resistance 3 is connected with brake unit 4; the other end of secondary circuit fuse F1 is connected with an end of the normally closed point of stop button SB2; the other end of the normally closed point of stop button SB2 respectively with the end of energy conservation starting button SB1; one end of the normally opened contact of protection relay K5; artificial/automatically end of change-over switch SB3; one end of the normally opened contact of industrial frequency AC contactor K4; the end of power frequency startup button SB4 connects; the other end of energy conservation starting button SB1 respectively with the other end of the normally opened contact of protection relay K5; the end of protection relay K5; one end of the normally-closed contact of the NC1 of intelligent electric-saving device 2 connects; the other end of the normally-closed contact of the NC1 of intelligent electric-saving device 2 is connected with an end of the normally-closed contact of industrial frequency AC contactor K4; the other end of the normally-closed contact of industrial frequency AC contactor K4 respectively with an end of power-saving alternating-current contactor K3 coil; one end of first pair of normally-closed contact of power-saving alternating-current contactor K3 connects; the other end of first pair of normally-closed contact of power-saving alternating-current contactor K3 is connected with the end of degaussing circuit RC; manually/automatically the other end of change-over switch SB3 is connected with an end of the normally opened contact of the NC2 of intelligent electric-saving device 2; the other end of the normally opened contact of the NC2 of intelligent electric-saving device 2 respectively with the other end of the normally opened contact of industrial frequency AC contactor K4; the other end of power frequency startup button SB4; one end of second pair of normally-closed contact of power-saving alternating-current contactor K3 connects; the other end of second pair of normally-closed contact of power-saving alternating-current contactor K3 is connected with an end of industrial frequency AC contactor K4 coil; the other end of industrial frequency AC contactor K4 coil is connected with an end of the normally-closed contact of heat protector of motor KT; the other end of the normally-closed contact of heat protector of motor KT respectively with the other end of degaussing circuit RC; the other end of power-saving alternating-current contactor K3 coil; the other end of protection relay K5 links to each other and ground connection; the end of the normal battle of stop button SB2 is connected with the SP3 of intelligent electric-saving device 2 end; the end end of the SD of its other end and intelligent electric-saving device 2 is connected to form and resets, the two ends of the normally opened contact of power-saving alternating-current contactor K3 respectively with the other end of the SD of intelligent electric-saving device 2; the RUN end connects and forms from opening.
This embodiment can be changed automatically, and is easy to use, saves time, and can reach desirable result of use.
Claims (1)
1. the automatic switching circuit of an intelligent energy-saving cabinet; it is characterized in that it comprises input wires terminal (J1); input current table and instrument transformer (A); input voltage table (V1); power frequency air switch (K2); energy-saving air switch (K1); input filter (1); industrial frequency AC contactor (K4); brake resistance (3); brake unit (4); direct current reactor (5); intelligent electric-saving device (2); heat protector of motor (KT); power-saving alternating-current contactor (K3); output voltage meter (V2); lead-out terminal (J2); secondary circuit fuse (F1); stop button (SB2); energy conservation starting button (SB1); power frequency startup button (SB4); protection relay (K5); degaussing circuit (RC); manually/automatic change-over switch (SB3); three phase mains is connected with an end of input wires terminal (J1); the other end of input wires terminal (J1) respectively with input current table and instrument transformer (A); input voltage table (V1); one end of power frequency air switch (K2); one end of energy-saving air switch (K1); one end of secondary circuit fuse (F1) connects; the NO end ground connection of input wires terminal J1; the other end of power frequency air switch (K2) is connected with an end of industrial frequency AC contactor (K4); the other end of industrial frequency AC contactor (K4) is connected with an end of heat protector of motor (KT); the other end of heat protector of motor (KT) is connected with an end of lead-out terminal (J2); the other end of lead-out terminal (J2) is connected with motor; the other end of energy-saving air switch (K1) is connected with an end of input filter (1); the other end of input filter (1) is connected with an end of intelligent electric-saving device (2); the other end of intelligent electric-saving device (2) is connected with an end of power-saving alternating-current contactor (K3); the other end of power-saving alternating-current contactor (K3) respectively with output voltage meter (V2); one end of lead-out terminal (J2) connects; direct current reactor (5) is serially connected on the dc bus of intelligent electric-saving device (2); brake unit (4) is attempted by on the dc bus of intelligent electric-saving device (2); brake resistance (3) is connected with brake unit (4); the other end of secondary circuit fuse (F1) is connected with an end of the normally closed point of stop button (SB2); the other end of the normally closed point of stop button (SB2) respectively with an end of energy conservation starting button (SB1); one end of the normally opened contact of protection relay (K5); artificial/automatically end of change-over switch (SB3); one end of the normally opened contact of industrial frequency AC contactor (K4); one end of power frequency startup button (SB4) connects; the other end of energy conservation starting button (SB1) respectively with the other end of the normally opened contact of protection relay (K5); one end of protection relay (K5); one end of the normally-closed contact of the NC1 of intelligent electric-saving device (2) connects; the other end of the normally-closed contact of the NC1 of intelligent electric-saving device (2) is connected with an end of the normally-closed contact of industrial frequency AC contactor (K4); the other end of the normally-closed contact of industrial frequency AC contactor (K4) respectively with an end of power-saving alternating-current contactor (K3) coil; one end of first pair of normally-closed contact of power-saving alternating-current contactor (K3) connects; the other end of first pair of normally-closed contact of power-saving alternating-current contactor (K3) is connected with an end of degaussing circuit (RC); manually/automatically the other end of change-over switch (SB3) is connected with an end of the normally opened contact of the NC2 of intelligent electric-saving device (2); the other end of the normally opened contact of the NC2 of intelligent electric-saving device (2) respectively with the other end of the normally opened contact of industrial frequency AC contactor (K4); the other end of power frequency startup button (SB4); one end of second pair of normally-closed contact of power-saving alternating-current contactor (K3) connects; the other end of second pair of normally-closed contact of power-saving alternating-current contactor (K3) is connected with an end of industrial frequency AC contactor (K4) coil; the other end of industrial frequency AC contactor (K4) coil is connected with an end of the normally-closed contact of heat protector of motor (KT); the other end of the normally-closed contact of heat protector of motor (KT) respectively with the other end of degaussing circuit (RC); the other end of power-saving alternating-current contactor (K3) coil; the other end of protection relay (K5) links to each other and ground connection; the end of the normal battle of stop button (SB2) is connected with the SP3 end of intelligent electric-saving device (2); the end of the SD of its other end and intelligent electric-saving device (2) is connected to form and resets, the two ends of the normally opened contact of power-saving alternating-current contactor (K3) respectively with the other end of the SD of intelligent electric-saving device (2); the RUN end connects and forms from opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220403693 CN202737792U (en) | 2012-08-15 | 2012-08-15 | Automatic converting circuit for intelligent power-saving cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220403693 CN202737792U (en) | 2012-08-15 | 2012-08-15 | Automatic converting circuit for intelligent power-saving cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202737792U true CN202737792U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220403693 Withdrawn - After Issue CN202737792U (en) | 2012-08-15 | 2012-08-15 | Automatic converting circuit for intelligent power-saving cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202737792U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595303A (en) * | 2012-08-15 | 2014-02-19 | 黑龙江庆东油田节能设备股份有限公司 | Automatic converting circuit of intelligent power-saving cabinet |
| CN104009492A (en) * | 2013-02-25 | 2014-08-27 | 黑龙江庆东油田节能设备股份有限公司 | Oil-pumping-unit counter-potential intelligent feedback device |
| CN104124693A (en) * | 2013-04-28 | 2014-10-29 | 长春理工大学 | Three-phase motor power supply energy-saving device |
-
2012
- 2012-08-15 CN CN 201220403693 patent/CN202737792U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595303A (en) * | 2012-08-15 | 2014-02-19 | 黑龙江庆东油田节能设备股份有限公司 | Automatic converting circuit of intelligent power-saving cabinet |
| CN103595303B (en) * | 2012-08-15 | 2016-06-08 | 黑龙江庆东油田节能设备股份有限公司 | A kind of automatic switching circuit of intelligent energy-saving cabinet |
| CN104009492A (en) * | 2013-02-25 | 2014-08-27 | 黑龙江庆东油田节能设备股份有限公司 | Oil-pumping-unit counter-potential intelligent feedback device |
| CN104124693A (en) * | 2013-04-28 | 2014-10-29 | 长春理工大学 | Three-phase motor power supply energy-saving device |
| CN104124693B (en) * | 2013-04-28 | 2016-05-11 | 长春理工大学 | A kind of three phase electric machine power supply energy-saving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130213 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |