CN203278710U - Novel magnetic control device of motor-type microcomputer - Google Patents
Novel magnetic control device of motor-type microcomputer Download PDFInfo
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- CN203278710U CN203278710U CN 201320264700 CN201320264700U CN203278710U CN 203278710 U CN203278710 U CN 203278710U CN 201320264700 CN201320264700 CN 201320264700 CN 201320264700 U CN201320264700 U CN 201320264700U CN 203278710 U CN203278710 U CN 203278710U
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- autotransformer
- type microcomputer
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- contactor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The utility model provides a novel magnetic control device of a motor-type microcomputer. The device comprises an auto transformer system and an intelligent microcomputer controller. The voltage input end of the auto transformer system is connected with a voltage output end of a power supply, and the voltage output end of the auto transformer system is connected with a voltage input end of an electrical device. Connected with the auto transformer system, the intelligent microcomputer controller is used for regulating and controlling the output voltage of the auto transformer system. By using the intelligent microcomputer controller, the device can automatically regulate a running voltage according to an actual load of the motor and reduce a starting current, iron loss and copper loss, so that electric energy is saved, service lifetime of the motor is extended, and a large-power break-out torque is prevented from damaging transmission machinery.
Description
Technical field
The utility model relates to the Electromagnetic Control technical field, specifically a kind of Novel electric type microcomputer magnetic control means.
Background technology
Asynchronous machine is electric equipment important in industrial and agricultural production, approximately consumes more than 60% of the total electric weight of electrical network, therefore the operating power saving of asynchronous machine has caused extensive concern.According to the pertinent regulations of national standard, the running status of a large amount of asynchronous machines that operating mode enterprise uses can be divided into the economical operation state, allow running status and non-economy running status.In actual applications, general all can the normal operation under the peak load of choosing of motor carried out as condition, so the capacity of motor is all bigger than normal, causes at present a lot of motors and dragging system thereof to be in the non-economy running status, wasted a large amount of electric energy.In addition, be 4 to 7 times of rated current due to the starting current of motor, many heavy-duty motors directly startup meeting cause very large pressure drop on bus, greatly affected the safe operation of other electric equipments.
Power supply department is in the electric power course of conveying, and the brownout that causes for reducing voltage loss and peak of power consumption generally all adopts and puies forward high-tension mode and carry, and makes the actual voltage that bears of power load higher than its rated voltage.For motor, the too high iron loss of motor, the copper loss of not only can causing of supply power voltage increases, and wastes a large amount of electric energy, also can be because temperature rise increases the useful life that shortens motor.
For addressing the above problem, the way that generally adopts at present is when selecting motor, chooses the motor of its power closing to reality load power as far as possible.Yet the power of motor is generally all fixed, and is difficult to accomplish optimum Match, and often the power of motor is greater than the power of actual needs.Directly start in order to limit heavy-duty motor the impact that brings to system, often adopt the mode of soft start to come starter motor, after electric motor starting is completed, soft starting device is out of service, directly powered by bus and continue operation to motor, so after the normal operation of motor, soft start can't make motor reach energy-conservation purpose.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of Novel electric type microcomputer magnetic control means, and this device can be regulated working voltage automatically according to the actual load of motor, reduces the electric motor starting electric current.
The technical solution of the utility model is:
A kind of Novel electric type microcomputer magnetic control means, comprise autotransformer system and Intellectual computer controller, the voltage input end of autotransformer system is connected with the power supply voltage output end, the voltage output end of autotransformer system is connected with the power consumption equipment voltage input end, described Intellectual computer controller is connected with the autotransformer system, is used for regulating the output voltage of controlling the autotransformer system.
Described Novel electric type microcomputer magnetic control means, described Intellectual computer controller comprises sample circuit and contactor control circuit, described sample circuit is used for gathering power supply voltage, motor load electric current and reactive power situation, and described contactor control circuit is used for the break-make of control contactor.
Described Novel electric type microcomputer magnetic control means, be provided with between the voltage output end of power supply voltage output end and autotransformer system for the first circuit breaker of controlling bypass output, be provided with between the voltage input end of autotransformer system and power supply voltage output end for the second circuit breaker of controlling the power supply Voltage-output, be provided with the 3rd circuit breaker of exporting for controlling the autotransformer system voltage between the voltage output end of autotransformer system and power consumption equipment voltage input end.
Described Novel electric type microcomputer magnetic control means, described autotransformer system comprises 3-phase autotransformer and the voltage zeroing control unit that is made of a plurality of A.C. contactors, the end of incoming cables of described A.C. contactor is connected with the tap of 3-phase autotransformer, ground connection after the leading-out terminal parallel connection, control end is connected with the contactor control circuit of Intellectual computer controller.
Described Novel electric type microcomputer magnetic control means, the main winding intersection of 3-phase autotransformer is wound on iron core magnetic post, and described iron core is selected amorphous alloy iron core.
Described Novel electric type microcomputer magnetic control means, the sample circuit of described Intellectual computer controller gathers the motor load electric current by current transformer.
Described Novel electric type microcomputer magnetic control means, this device also comprises reactive compensation system, described reactive compensation system comprises reactive compensation capacitor and the control of reactive power compensating unit that is made of a plurality of A.C. contactors, the end of incoming cables of described A.C. contactor is connected with the supply line output, leading-out terminal is connected with reactive compensation capacitor, and control end is connected with contactor control circuit with the Intellectual computer controller.
Described Novel electric type microcomputer magnetic control means, described circuit breaker is breaker of plastic casing.
The utility model can be regulated its working voltage according to the actual load of motor automatically by the Intellectual computer controller, reduce its starting current and iron loss, copper loss, not only saved electric energy, extended the useful life of motor, and the damage that can also avoid the high-power start moment of torsion that gearing equipment is caused.Preferably, the mode regulation voltage that adopts zeroing to control does not have voltage flicker in the process of voltage-regulation, thereby can continuous voltage regulating; The Intellectual computer controller is by gathering power supply voltage, motor load electric current and reactive power situation, the working voltage of self-regulation motor as required, and switched capacitor improves the power factor of motor.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
as shown in Figure 1, a kind of Novel electric type microcomputer magnetic control means comprises the first breaker of plastic casing 41, the second breaker of plastic casing 42, the 3rd breaker of plastic casing 43, six A.C. contactors 51,52,53,54,55,56, three current transformer TA1, TA2, TA3, two reactive compensation capacitor C1, C2,3-phase autotransformer 11, Intellectual computer controller 2, 3-phase autotransformer 11 with by A.C. contactor 51, 52, 53, the 54 voltages zeroing control units that consist of form autotransformer system 1, two reactive compensation capacitor C1, C2 with by A.C. contactor 55, the 56 the control of reactive power compensating unit that consist of form reactive compensation system 3, Intellectual computer controller 2 comprises sample circuit and contactor control circuit, sample circuit is used for gathering power supply voltage, motor load electric current and reactive power situation, contactor control circuit is used for the break-make of control contactor, sample circuit is by current transformer TA1, TA2, TA3 gathers the motor load electric current.
A.C. contactor 51,52,53,54 end of incoming cables and many groups tap of 3-phase autotransformer 11 connect one to one respectively, ground connection after the leading-out terminal parallel connection, and control end is connected with the contactor control circuit of Intellectual computer controller 2; A.C. contactor 55,56 end of incoming cables are connected with the supply line output, and leading-out terminal is connected with reactive compensation capacitor C1, C2, and control end is connected with the contactor control circuit of Intellectual computer controller 2.
Be connected with the supply voltage output after the end of incoming cables of the first breaker of plastic casing 41 and 42 end of incoming cables parallel connection, the leading-out terminal of the second breaker of plastic casing 42 is connected with the voltage input end of 3-phase autotransformer 11, the voltage output end of 3-phase autotransformer 11 is connected with the end of incoming cables of the 3rd breaker of plastic casing 43, the leading-out terminal of the 3rd breaker of plastic casing 43 is connected with C1, C2 by A.C. contactor 55,56 afterwards with the leading-out terminal parallel connection of the first breaker of plastic casing 41, is connected with power consumption equipment by current transformer TA1, TA2, TA3; Wherein, the first breaker of plastic casing 41 is the manual bypass switch, and when voltage regulation loop breaks down can't move the time, the first breaker of plastic casing 41 closes a floodgate, and the load that does not affect the back continues to use.
Operation principle of the present utility model:
Analysis, judgement, comparison that Intellectual computer controller 2 passes through electric power output voltage and the current transformer signal of its collection, calculate the output voltage that power consumption equipment needs, by controlling A.C. contactor 51,52,53,54 break-make, change the output voltage of 3-phase autotransformer 11, guarantee to satisfy the demand of power consumption equipment, simultaneously according to the situation of reactive power, control A.C. contactor 55,56 break-make, switched capacitor C1, C2, the power factor of raising power consumption equipment.
The above execution mode is only that preferred implementation of the present utility model is described; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model all should fall in the definite protection range of claims of the present utility model.
Claims (8)
1. Novel electric type microcomputer magnetic control means, it is characterized in that: comprise autotransformer system and Intellectual computer controller, the voltage input end of autotransformer system is connected with the power supply voltage output end, the voltage output end of autotransformer system is connected with the power consumption equipment voltage input end, described Intellectual computer controller is connected with the autotransformer system, is used for regulating the output voltage of controlling the autotransformer system.
2. Novel electric type microcomputer magnetic control means according to claim 1, it is characterized in that: described Intellectual computer controller comprises sample circuit and contactor control circuit, described sample circuit is used for gathering power supply voltage, motor load electric current and reactive power situation, and described contactor control circuit is used for the break-make of control contactor.
3. Novel electric type microcomputer magnetic control means according to claim 1 is characterized in that:
Be provided with between the voltage output end of power supply voltage output end and autotransformer system for the first circuit breaker of controlling bypass output, be provided with between the voltage input end of autotransformer system and power supply voltage output end for the second circuit breaker of controlling the power supply Voltage-output, be provided with the 3rd circuit breaker of exporting for controlling the autotransformer system voltage between the voltage output end of autotransformer system and power consumption equipment voltage input end.
4. Novel electric type microcomputer magnetic control means according to claim 2 is characterized in that:
Described autotransformer system comprises 3-phase autotransformer and the voltage zeroing control unit that is made of a plurality of A.C. contactors, the end of incoming cables of described A.C. contactor is connected with the tap of 3-phase autotransformer, ground connection after the leading-out terminal parallel connection, control end is connected with the contactor control circuit of Intellectual computer controller.
5. Novel electric type microcomputer magnetic control means according to claim 4 is characterized in that:
The main winding intersection of 3-phase autotransformer is wound on iron core magnetic post, and described iron core is selected amorphous alloy iron core.
6. Novel electric type microcomputer magnetic control means according to claim 2, it is characterized in that: the sample circuit of described Intellectual computer controller gathers the motor load electric current by current transformer.
7. Novel electric type microcomputer magnetic control means according to claim 2, it is characterized in that: this device also comprises reactive compensation system, described reactive compensation system comprises reactive compensation capacitor and the control of reactive power compensating unit that is made of a plurality of A.C. contactors, the end of incoming cables of described A.C. contactor is connected with the supply line output, leading-out terminal is connected with reactive compensation capacitor, and control end is connected with the contactor control circuit of Intellectual computer controller.
8. Novel electric type microcomputer magnetic control means according to claim 3, it is characterized in that: described circuit breaker is breaker of plastic casing.
Priority Applications (1)
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CN 201320264700 CN203278710U (en) | 2013-05-16 | 2013-05-16 | Novel magnetic control device of motor-type microcomputer |
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CN 201320264700 CN203278710U (en) | 2013-05-16 | 2013-05-16 | Novel magnetic control device of motor-type microcomputer |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103746632A (en) * | 2014-01-24 | 2014-04-23 | 中山市明阳电器有限公司 | Low-voltage motor control system |
CN103986401A (en) * | 2014-06-03 | 2014-08-13 | 上海电机学院 | Automatic-control energy-saving system and method of induction motor |
WO2016057934A1 (en) * | 2014-10-09 | 2016-04-14 | Direct Drive Systems, Inc. | Permanent magnet motor control for electric subsea pump |
CN103986401B (en) * | 2014-06-03 | 2016-11-30 | 上海电机学院 | The automatic control energy-saving system of induction conductivity and method |
CN106300998A (en) * | 2016-08-30 | 2017-01-04 | 合肥智博电气有限公司 | Electromagnet voltage-stabilizing energy-saving device |
CN106357165A (en) * | 2016-09-29 | 2017-01-25 | 合肥申通电力科技有限公司 | Starting magnetic control optimizing device of motor |
-
2013
- 2013-05-16 CN CN 201320264700 patent/CN203278710U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103746632A (en) * | 2014-01-24 | 2014-04-23 | 中山市明阳电器有限公司 | Low-voltage motor control system |
CN103746632B (en) * | 2014-01-24 | 2016-02-24 | 中山市明阳电器有限公司 | A kind of low-voltage motor control system |
CN103986401A (en) * | 2014-06-03 | 2014-08-13 | 上海电机学院 | Automatic-control energy-saving system and method of induction motor |
CN103986401B (en) * | 2014-06-03 | 2016-11-30 | 上海电机学院 | The automatic control energy-saving system of induction conductivity and method |
WO2016057934A1 (en) * | 2014-10-09 | 2016-04-14 | Direct Drive Systems, Inc. | Permanent magnet motor control for electric subsea pump |
US10263547B2 (en) | 2014-10-09 | 2019-04-16 | Direct Drive Systems, Inc. | Permanent magnet motor control for electric subsea pump |
CN106300998A (en) * | 2016-08-30 | 2017-01-04 | 合肥智博电气有限公司 | Electromagnet voltage-stabilizing energy-saving device |
CN106357165A (en) * | 2016-09-29 | 2017-01-25 | 合肥申通电力科技有限公司 | Starting magnetic control optimizing device of motor |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20190516 |
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CF01 | Termination of patent right due to non-payment of annual fee |