CN2638329Y - Electricity-saving device for three-phase ac motor - Google Patents
Electricity-saving device for three-phase ac motor Download PDFInfo
- Publication number
- CN2638329Y CN2638329Y CN 03284550 CN03284550U CN2638329Y CN 2638329 Y CN2638329 Y CN 2638329Y CN 03284550 CN03284550 CN 03284550 CN 03284550 U CN03284550 U CN 03284550U CN 2638329 Y CN2638329 Y CN 2638329Y
- Authority
- CN
- China
- Prior art keywords
- energy
- circuit
- contactor
- phase
- time
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Control Of Ac Motors In General (AREA)
Abstract
A three-phase AC motor power saver relates to the improvement of a power saving device arranged on the power distributing circuit of three-phase AC motor. Most of the present power saving devices consist of the main elements such as an intelligent computer, a capacitor and a capacitor switcher, and are one time arranged on the upper part or the lower part of the general switch of the motor, and power saving is not even and has poor effect. The power saver consists of a decoupling conductance circuit, a control switch, an automatic tracking control energy saving circuit, an automatic delayed circuit and an energy saving capacitance circuit. The utility model has the advantages that: a three-stage energy-saving capacitance circuit, and a fourth-stage energy-saving capacitance circuit matched by an automatic tracking and control energy-saving circuit are respectively arranged on the input end of the junction box of the motor, the input end of the decoupled conductance circuit and the output end of the control switch circuit, and a delayed working procedure is adopted to compensate the energy, and the compensating effect is even, thereby reaching good power saving effect.
Description
Technical field: the invention relates to the improvement that is installed in battery saving arrangement structure on the three-phase alternating-current motor distribution line.
Background technology: at present, being used on the three-phase alternating-current motor distribution line battery saving arrangement is made up of main elements such as intelligent computer, capacitor, electric capacity switchs, utilize the principle of capacitance compensation power factor, disposable top or the bottom of receiving the motor master switch of battery saving arrangement, play the effect of economize on electricity, total current from the battery saving arrangement to the motor is to descend, but electricity consumption does not reduce in the circuit from the transformer to the motor, having increased power consumption when not using energy-saving device on the contrary, is the deficiency of above-mentioned battery saving arrangement.
Summary of the invention: the purpose of the invention provides a kind of tangible electric saver of three-phase ac motor of economize on electricity that is installed on the three-phase alternating-current motor distribution line; The purpose of the invention is achieved through the following technical solutions: electric saver of three-phase ac motor: it is characterized in that by decoupling inductive circuit (I), control switch circuit (II), automatic tracking Control energy-saving circuit (III), automatic time delay circuit (IV), the energy-conservation condenser network of level Four (V) is formed, input at decoupling inductive circuit (I) connects the energy-conservation condenser network of one-level (V-1), connect control switch circuit (II) at decoupling inductive circuit (I) output, and connect three grades of automatic time delay circuit (IV-1 respectively in that power supply any two is alternate, IV-2, IV3) and automatic tracking Control energy-saving circuit (III), connect energy-conservation condenser network (V-4) in the automatic tracking Control energy-saving circuit (III) respectively at control switch circuit (II) output, energy-conservation condenser network of secondary (V-2) and motor, at the arbitrary signal input part that connects automatic tracking Control energy-saving circuit (III) on single-phase of power supply, three grades of energy-conservation condenser networks (V-3) are connected in motor input terminals, three grades of automatic time delay circuit (IV-1, IV-2, IV-3) respectively with three grades of energy-conservation condenser network (V-1, V-2, V-3) link to each other.
This section electrical work program: when mains switch is connected, the work of decoupling inductive circuit, at B, the control switch circuit that the C two-phase inserts, press starting switch, A.C. contactor JC1 work, energized, three-phase alternating-current motor work, time-delay relay ts1 in the one-level delay circuit charged after 10 seconds, normally opened contact among the on-delay relay ts1, A.C. contactor JC2 work, three grades of energy-conservation condenser network work that are connected on the three-phase alternating-current motor input point have been connected, it is compensation for the first time, after time-delay relay ts2 worked for 10 seconds, time-delay ts2 work, connect A.C. contactor JC3, be connected on the energy-conservation condenser network work of secondary of control switch lower end this moment, this is compensation for the second time, after time-delay relay ts3 worked for 10 seconds, connect A.C. contactor JC4, be connected on the energy-conservation condenser network work of one-level of decoupling inductive circuit front end this moment, and this is to compensate for the third time, when the motor overload operation, automatically obtain the excess load signal in the tracking Control energy-saving circuit, make A.C. contactor JC5 work, be connected on the energy-conservation condenser network work of level Four of control switch circuit lower end this moment, this is the 4th compensation.Motor obtains three compensation when normal operation.
The advantage of the invention: the input that is connected on motor connecting cartridge owing to three grades of energy-conservation condenser networks respectively, control switch circuit lower end and decoupling inductive circuit input, and the gradation of taking to delay time compensates, when the motor overload operation, compensate again, compensation effect the best consequently, total electric quantity consumption equilibrium reaches power savings.
Description of drawings:
Fig. 1 is the electric saver of three-phase ac motor circuit block diagram;
Fig. 2 is the electric saver of three-phase ac motor circuit diagram;
Fig. 3 is automatic tracking Control energy-saving circuit figure in the electric saver of three-phase ac motor.
Embodiment: electric saver of three-phase ac motor: it is characterized in that by decoupling inductive circuit I, control switch circuit I I, automatic tracking Control energy-saving circuit III, automatic time delay circuit I V, the energy-conservation condenser network V of level Four forms, input at decoupling inductive circuit I connects the energy-conservation condenser network V-1 of one-level, connect control switch circuit I I at decoupling inductive circuit I output, and connect three grades of automatic time delay circuit I V-1 respectively in that power supply any two is alternate, IV-2, IV3 and automatic tracking Control energy-saving circuit III, connect energy-conservation condenser network V-4 among the automatic tracking Control energy-saving circuit III respectively at control switch circuit I I output, energy-conservation condenser network V-2 of secondary and motor, at the arbitrary signal input part that connects automatic tracking Control energy-saving circuit III on single-phase of power supply, three grades of energy-conservation condenser network V-3 are connected in motor input terminals, three grades of automatic time delay circuit I V-1, IV-2, IV-3 respectively with three grades of energy-conservation condenser network V-1, V-2, V-3 links to each other.
Decoupling inductive circuit I is made of inductance coil.
Control switch circuit I I is by A.C. contactor JC1, stop button 3, and starting button 4 constitutes, stop button 3, starting button 4 is serially connected in power supply one and goes up mutually, and normally opened contact of A.C. contactor JC1 is in parallel with starting button 4, and other three normally opened contacts are serially connected in the power supply triple line.
Automatically among the tracking Control energy-saving circuit III, transformer 38 primary coil two ends are connected on respectively on arbitrary two phase lines of power supply, on the arbitrary phase line of transformer 57 primary coils, 19 serial connection power supplys of the other end, transformer 38 secondary coils serial connection rectifier diode 39, filter capacitor 40 constitutes the loop, connect triode 41 emitters at rectifier diode 39 positive poles, collector connecting relay 42, relay 42 ground connection, triode 41 base stages are through resistance 43, electric capacity 45 constitutes the loop with emitter, link to each other with triode 46 collector electrodes through resistance 44, grounded emitter, base stage is through parallel resistance 47, electric capacity 49 ground connection, link to each other with triode 50 collector electrodes through resistance 48, emitter connects positive pole, and base stage connects positive pole through electric capacity 51, through resistance 52 and voltage stabilizing didoe 53 in parallel, electric capacity 54 connects positive pole, and connect the tap terminals of potentiometer 55, and potentiometer 55 and electric capacity 56 are in parallel to be serially connected in the secondary coil of transformer 57 through rectifier diode 58, and relay 42 links to each other with contactor JC5.
Automatic time delay circuit I V comprises one-level, secondary, three grades of automatic time delay circuit I V-1, IV-2, IV-3, V-1 is by time-delay relay ts1 for one-level automatic time delay circuit I, A.C. contactor JC2 forms, the normally opened contact of A.C. contactor JC2 serial connection time-delay relay ts1 is in parallel with time-delay relay ts1, time-delay relay ts2 is in parallel with A.C. contactor JC2, secondary time-delay relay IV-2 is by time-delay relay ts2, A.C. contactor JC3 constitutes, be connected in series the normally opened contact of time-delay relay ts2 with A.C. contactor JC3, three grades of time-delay relay IV-3 are by time-delay relay ts3, A.C. contactor JC4 forms, and is connected in series the normally opened contact of time-delay relay ts3 with A.C. contactor JC4.
Energy-conservation condenser network V is by the energy-conservation condenser network V-1 of level Four, V-2, V-3, V-4 forms, the energy-conservation condenser network V-1 of one-level constitutes Y-connection 18 by three electric capacity, each contact is connected in series the normally opened contact of A.C. contactor respectively, link to each other with the power supply three-phase, the energy-conservation condenser network V-2 of secondary constitutes Y-connection 23 by three electric capacity, each contact is connected in series the normally opened contact of A.C. contactor JC3 respectively, and link to each other with the power supply three-phase, three grades of energy-conservation condenser network V-3 constitute Y-connection 10 by three electric capacity, each contact is connected in series the normally opened contact of A.C. contactor JC2 respectively, and be connected with the motor connecting cartridge input respectively, the energy-conservation condenser network V-4 of level Four constitutes Y-connection 23 by three electric capacity, be connected in series the normally opened contact of A.C. contactor JC5 on each contact, and link to each other with the power supply three-phase.
Claims (6)
1, electric saver of three-phase ac motor: it is characterized in that by decoupling inductive circuit (I), control switch circuit (II), automatic tracking Control energy-saving circuit (III), automatic time delay circuit (IV), the energy-conservation condenser network of level Four (V) is formed, input at decoupling inductive circuit (I) connects the energy-conservation condenser network of one-level (V-1), connect control switch circuit (II) at decoupling inductive circuit (I) output, and connect three grades of automatic time delay circuit (IV-1 respectively in that power supply any two is alternate, IV-2, IV3) and automatic tracking Control energy-saving circuit (III), connect energy-conservation condenser network (V-4) in the automatic tracking Control energy-saving circuit (III) respectively at control switch circuit (II) output, energy-conservation condenser network of secondary (V-2) and motor, at the arbitrary signal input part that connects automatic tracking Control energy-saving circuit (III) on single-phase of power supply, three grades of energy-conservation condenser networks (V-3) are connected in motor input terminals, three grades of automatic time delay circuit (IV-1, IV-2, IV-3) respectively with three grades of energy-conservation condenser network (V-1, V-2, V-3) link to each other.
2, electric saver of three-phase ac motor according to claim 1 is characterized in that decoupling inductive circuit (I) is made of inductance coil.
3, electric saver of three-phase ac motor according to claim 1: it is characterized in that control switch circuit (II) is by A.C. contactor (JC1) stop button (3), starting button (4) constitutes, stop button (3), starting button (4) is serially connected in power supply one and goes up mutually, normally opened contact of A.C. contactor (JC1) is in parallel with starting button (4), and other three normally opened contacts are serially connected in the power supply triple line.
4, electric saver of three-phase ac motor according to claim 1, it is characterized in that in the automatic tracking Control energy-saving circuit (III), transformer (38) primary coil two ends are connected on respectively on arbitrary two phase lines of power supply, on the arbitrary phase line of the transformer of the other end (57) primary coil (19) serial connection power supply, transformer (38) secondary coil serial connection rectifier diode (39), filter capacitor (40) constitutes the loop, connect triode (41) emitter at rectifier diode (39) positive pole, collector connecting relay (42), relay (42) ground connection, triode (41) base stage is through resistance (43), electric capacity (45) constitutes the loop with emitter, link to each other with triode (46) collector electrode through resistance (44), grounded emitter, base stage is through parallel resistance (47), electric capacity (49) ground connection, link to each other with triode (50) collector electrode through resistance (48), emitter connects positive pole, base stage connects positive pole through electric capacity (51), through resistance (52) and voltage stabilizing didoe (53) in parallel, electric capacity (54) connects positive pole, and connect the tap terminals of potentiometer (55), potentiometer (55) is in parallel with electric capacity (56) to be serially connected in the secondary coil of transformer (57) through rectifier diode (58), and relay (42) links to each other with contactor (JC5).
5, electric saver of three-phase ac motor according to claim 1, it is characterized in that automatic time delay circuit (IV) comprises one-level, secondary, three grades of automatic time delay circuit (IV-1, IV-2, IV-3), one-level automatic time delay circuit (IV-1) is by time-delay relay (ts1), A.C. contactor (JC2) is formed, a normally opened contact of A.C. contactor (JC2) serial connection time-delay relay (ts1) is in parallel with time-delay relay (ts1), time-delay relay (ts2) is in parallel with A.C. contactor (JC2), secondary time-delay relay (IV-2) is by time-delay relay (ts2), A.C. contactor (JC3) constitutes, be connected in series the normally opened contact of time-delay relay (ts2) with A.C. contactor (JC3), three grades of time-delay relays (IV-3) are by time-delay relay (ts3), A.C. contactor-(JC4) form is connected in series the normally opened contact of time-delay relay (ts3) with A.C. contactor (JC4).
6, electric saver of three-phase ac motor according to claim 1, it is characterized in that energy-conservation condenser network (V) is by the energy-conservation condenser network (V-1 of level Four, V-2, V-3, V-4) form, the energy-conservation condenser network of one-level (V-1) constitutes Y-connection (18) by three electric capacity, each contact is connected in series the normally opened contact of A.C. contactor respectively, link to each other with the power supply three-phase, the energy-conservation condenser network of secondary (V-2) constitutes Y-connection (23) by three electric capacity, each contact is connected in series the normally opened contact of A.C. contactor (JC3) respectively, and link to each other with the power supply three-phase, three grades of energy-conservation condenser networks (V-3) constitute Y-connection (10) by three electric capacity, each contact is connected in series the normally opened contact of A.C. contactor (JC2) respectively, and be connected with the motor connecting cartridge input respectively, the energy-conservation condenser network of level Four (V-4) constitutes Y-connection (23) by three electric capacity, be connected in series the normally opened contact of A.C. contactor (JC5) on each contact, and link to each other with the power supply three-phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03284550 CN2638329Y (en) | 2003-07-31 | 2003-07-31 | Electricity-saving device for three-phase ac motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03284550 CN2638329Y (en) | 2003-07-31 | 2003-07-31 | Electricity-saving device for three-phase ac motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2638329Y true CN2638329Y (en) | 2004-09-01 |
Family
ID=34303834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03284550 Expired - Fee Related CN2638329Y (en) | 2003-07-31 | 2003-07-31 | Electricity-saving device for three-phase ac motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2638329Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840469A (en) * | 2012-11-20 | 2014-06-04 | 李木 | Single-phase electricity-saving appliance and control method thereof |
| CN103840468A (en) * | 2012-11-20 | 2014-06-04 | 李木 | Three-phase power saver and control method thereof |
-
2003
- 2003-07-31 CN CN 03284550 patent/CN2638329Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840469A (en) * | 2012-11-20 | 2014-06-04 | 李木 | Single-phase electricity-saving appliance and control method thereof |
| CN103840468A (en) * | 2012-11-20 | 2014-06-04 | 李木 | Three-phase power saver and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2638329Y (en) | Electricity-saving device for three-phase ac motor | |
| CN209545157U (en) | In-place reactive power compensation device | |
| CN201509064U (en) | Three-phase power source phase-sequence adjusting device | |
| CN209419226U (en) | In-place reactive power compensation device | |
| CN2894147Y (en) | Standby regulating switching circuit for TV power supply | |
| CN201937329U (en) | Solar refrigerator | |
| CN209283112U (en) | A kind of power circuit for automatic transfer switching electric appliance controller | |
| CN2518136Y (en) | Electricity saver | |
| CN201656447U (en) | Phrase failure and overload protective device for three-phrase motor | |
| CN201113451Y (en) | High voltage reactive-load autocompensation apparatus | |
| CN110247445A (en) | The multifunctional high-power mobile power source of solar energy and alternating current dual power supply | |
| CN2528143Y (en) | Automatic following compensator for reactive power | |
| CN2140505Y (en) | Multifunctional electricity saver for household refrigerator or freezing case | |
| CN212063474U (en) | Time delay device control circuit for protecting refrigerator | |
| CN2512823Y (en) | Automatic water supply controller for water tower | |
| CN203352462U (en) | Electronic energy-saving battery | |
| CN203206125U (en) | Input voltage automatic switch device for mahjong machine | |
| CN203445621U (en) | Reactive compensation control electrical cabinet | |
| CN2313321Y (en) | Three-phase energy-saving asynchronous motor | |
| CN207098411U (en) | A kind of double division box-type substations of photovoltaic | |
| CN202652055U (en) | Electrolytic capacitor charging circuit | |
| CN209001668U (en) | A kind of wall-mounted DC power supply of adaptive output different voltages | |
| CN2311874Y (en) | Automatic regulating load apparatus | |
| CN207819553U (en) | Power supply management device for frame circuit breaker controller | |
| CN2746633Y (en) | Supply unit of metering monitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |