WO2016004788A1 - Démarreur électrique sans contact à inductance mutuelle destiné à un moteur de compresseur de réfrigération du commerce - Google Patents

Démarreur électrique sans contact à inductance mutuelle destiné à un moteur de compresseur de réfrigération du commerce Download PDF

Info

Publication number
WO2016004788A1
WO2016004788A1 PCT/CN2015/077635 CN2015077635W WO2016004788A1 WO 2016004788 A1 WO2016004788 A1 WO 2016004788A1 CN 2015077635 W CN2015077635 W CN 2015077635W WO 2016004788 A1 WO2016004788 A1 WO 2016004788A1
Authority
WO
WIPO (PCT)
Prior art keywords
inductor
current
motor
refrigeration compressor
pole
Prior art date
Application number
PCT/CN2015/077635
Other languages
English (en)
Chinese (zh)
Inventor
赵云文
Original Assignee
常熟市天银机电股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 常熟市天银机电股份有限公司 filed Critical 常熟市天银机电股份有限公司
Publication of WO2016004788A1 publication Critical patent/WO2016004788A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • H02P1/42—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual single-phase induction motor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • H02P1/42—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual single-phase induction motor
    • H02P1/44—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual single-phase induction motor by phase-splitting with a capacitor

Definitions

  • the invention belongs to the technical field of motor starting devices, and particularly relates to a mutual inductance type non-contact current starter for a commercial refrigeration compressor motor, which is mainly used for starting a commercial refrigeration compressor motor, and can also be used for ordinary single-phase AC induction or The starting of a single-phase AC permanent magnet motor (hereinafter, collectively referred to as a single-phase AC motor).
  • a single-phase AC motor is generally composed of a rotor having a main shaft and a pair of windings, and the stator has a pair of windings, and only when the two stator windings cooperate with each other, a starting torque is generated to start the motor. Due to the difference in design structure, the secondary winding can not only participate in the motor starting, but also continue to participate in the normal operation of the motor. Therefore, the secondary winding circuit of the complete single-phase AC motor can usually be operated by the parallel secondary winding circuit and The secondary winding start circuit is indicated.
  • the secondary winding starting circuit only participates in the work when the motor starts, and when the motor completes the starting, the secondary winding starting circuit is required. Disconnect to turn off its function, causing the motor to switch to normal operation for disconnection.
  • the function of the motor starter is to turn on the secondary winding starting circuit when the motor starts and keep it for a certain time, and disconnect the secondary winding starting circuit after the motor completes the starting process.
  • PTC positive temperature coefficient thermistor
  • the heavy hammer starter is a current type device, and its suction coil is connected in series with the compressor running winding, so it needs to The compressor is strictly matched.
  • the hammer starter is highly reliable, not easy to break, and fails to start (the plug is not plugged in, the system does not form a high and low voltage within a few seconds), it can be restarted in a short time (the best interval of the hot machine is 20 seconds).
  • there are defects such as high cost, limited contact life, and easy sparking or electromagnetic interference during suction and discharge.
  • the Chinese invention patent grant announcement number CN1024157C introduces an "electronic circuit for starting a single-phase induction motor" by using one in the motor starting circuit. Normal trigger, timed off bidirectional thyristor and corresponding trigger/timing cutoff circuit The motor starting circuit is now switched from energized on to timed off, thereby completing the starting of the motor.
  • the number of discrete components used in the circuit will greatly reduce the reliability of the motor starting; especially in the motor operating state, multiple milliamps of operating current through the trigger circuit
  • the resistive element in the circuit and the plurality of transistors in the timing cut-off circuit, and the electronic circuit operates in a complicated motor working circuit, and is not effectively isolated from the complicated power environment, so the entire fragile weak current circuit system is not well protected , will have a huge negative impact on the reliability of the motor system; in addition, the two-way thyristor used in the circuit must be reset before the motor starting circuit is turned on, that is, the timer circuit must be de-energized.
  • 10-94279 utilizes the principle that the current of the motor is different under starting and running conditions, and uses the current detecting resistor placed in the total circuit of the motor to convert the main circuit current (motor total current) signal into a voltage signal, and the patent
  • the main circuit current signal and the set current value are compared, and the bidirectional thyristor connected in the motor starting circuit is controlled according to the comparison result. Break, in order to achieve the purpose of controlling the start-up circuit on and off.
  • the circuit uses a resistor to sample the current signal in the total circuit of the motor into a voltage signal.
  • the resistance is a purely resistive component, and the current of the total circuit of the motor is usually at the amperage level or close to the amperage level, the operation of the entire motor is performed.
  • the resistor consumes watt-level or near-watt-level unwanted heating power, making the circuit greatly reduce energy utilization when the motor can be started; in addition, the "reference current value setter” and the “comparison loop” "Auxiliary circuits reduce the reliability of the motor starting function to a certain extent.
  • the Chinese Invention Patent Authorization No. CN1294694C and the Chinese Invention Patent Grant No. CN1283037C recommend two kinds of "mutual-inductive non-contact starters", which are applicable to various types of single-phase AC motors.
  • the above two types of mutual inductance type non-contact starters are characterized by using current transformers, according to different single-phase AC motors, sampling and converting currents at different positions of the motor circuit for triggering serial connection in the motor secondary winding starting circuit Two-way thyristor. They make use of the characteristics that the loop current of the motor at the beginning of the start is much larger than the normal working current.
  • the secondary winding thyristor is triggered and turned on for a short time, thereby completing the starting of the motor.
  • the present invention does not use a PTC component, and uses a current transformer and a triac different from the combination of the Chinese invention patent authorization notice number CN1294694C and the Chinese invention patent authorization announcement number CN1283037C, and supplements the inductor and capacitor to realize commercial refrigeration compression.
  • Machine motor contactless current starter uses a current transformer and a triac different from the combination of the Chinese invention patent authorization notice number CN1294694C and the Chinese invention patent authorization announcement number CN1283037C, and supplements the inductor and capacitor to realize commercial refrigeration compression. Machine motor contactless current starter.
  • the object of the present invention is to provide a mutual inductance type non-contact current starter for a commercial refrigeration compressor motor with high starting reliability, good stability, high safety, low power consumption, good versatility, and high current consumption. .
  • the technical solution provided by the present invention is: a mutual inductance type contactless current starter for a commercial refrigeration compressor motor, the commercial refrigeration compressor motor having at least one main winding and a pair
  • the stator of the winding, the main and auxiliary windings are combined with the terminal L connected to the B end of the AC power source
  • the mutual inductance type contactless current starter comprises a current transformer L1 having a primary coil and a primary coil
  • the two-way thyristor T, one end of the primary coil of the current transformer L1 and the T1 pole of the triac T are connected to the A end of the AC power source, and one end of the secondary coil of the current transformer L1 and the triac T
  • the G pole is connected, the other end of the primary coil of the current transformer L1 is connected to the other end of the secondary coil to the motor main winding terminal M, and the T2 pole of the triac T is connected to the motor secondary winding terminal S.
  • the mutual inductance type contactless current starter for the commercial refrigeration compressor motor further includes a starting capacitor C1, and one end of the starting capacitor C1 and the triac are The T1 pole of T is connected, and the other end of the starting capacitor C1 is connected to the A end of the AC power source together with one end of the primary coil of the current transformer L1.
  • the mutual inductance type contactless current starter for a commercial refrigeration compressor motor further includes an inductor L2, and one end of the inductor L2 and the triac T The T2 pole is connected, and the other end of the inductor L2 is connected to the motor secondary winding terminal S.
  • the mutual inductance type contactless current starter for the commercial refrigeration compressor motor further includes an inductor L2, and one end of the inductor L2 and the current transformer L1 primary One end of the coil is commonly connected to the A terminal of the AC power source, and the other end of the inductor L2 is connected to the other end of the starting capacitor C1.
  • the mutual inductance type contactless current starter for the commercial refrigeration compressor motor further includes an inductor L2, one end of the inductor L2 and one end of the starting capacitor C1. Connected, the other end of the inductor L2 is connected to the T1 pole of the triac T.
  • the mutual inductance type contactless current starter for a commercial refrigeration compressor motor further includes an inductor L2, one end of the inductor L2 and the triac The T2 pole of T is connected, and the other end of the inductor L2 is connected to the motor secondary winding lead S.
  • the mutual inductance type of the commercial refrigeration compressor motor further includes an inductor L2, one end of the inductor L2 is connected to one end of the primary coil of the current transformer L1 to the A end of the AC power source, and the other end of the inductor L2 is connected to the T1 pole of the triac T connection.
  • the mutual inductance type non-contact current starter for the commercial refrigeration compressor motor further includes a starting capacitor C1, and one end of the starting capacitor C1 is bidirectionally controllable.
  • the T2 pole of the silicon T is connected, and the other end of the starting capacitor C1 is connected to the motor secondary winding terminal S.
  • the mutual inductance type contactless current starter for a commercial refrigeration compressor motor further includes an inductor L2, and one end of the inductor L2 and the current transformer One end of the L1 primary coil is commonly connected to the A terminal of the AC power source, and the other end of the inductor L2 is connected to the T1 pole of the triac T.
  • the mutual inductance type contactless current starter for a commercial refrigeration compressor motor further includes an inductor L2, and one end of the inductor L2 and the starting capacitor C1 The other end is connected, and the other end of the inductor L2 is connected to the motor secondary winding terminal S.
  • the mutual inductance type contactless current starter for a commercial refrigeration compressor motor further includes an inductor L2, and one end of the inductor L2 is bidirectionally controllable.
  • the T2 pole of the silicon T is connected, and the other end of the inductor L2 is connected to one end of the starting capacitor C1.
  • the mutual inductance type non-contact current starter for a commercial refrigeration compressor motor further includes a current limiting resistor R, and one end of the current limiting resistor R One end of the secondary coil of the current transformer L1 is connected, and the other end of the current limiting resistor R is connected to the G pole of the triac T.
  • the invention adopts the above structure, and has the beneficial effects compared with the prior art: by using the current transformer L1 to sample the current signal in the motor circuit, the power consumption in the current sampling process can be effectively controlled, thereby greatly improving Energy-saving efficiency;
  • the circuit structure is simple, the number of components is small, the versatility is good, and it can withstand large currents, and the safety of the motor starting is improved while ensuring reliable starting of the motor.
  • Fig. 1 is an electrical schematic diagram showing a first embodiment of the present invention.
  • Fig. 2 is an electrical schematic diagram showing a second embodiment of the present invention.
  • Fig. 3 is an electrical schematic diagram showing a third embodiment of the present invention.
  • Fig. 4 is an electrical schematic diagram showing a fourth embodiment of the present invention.
  • Fig. 5 is an electrical schematic diagram showing a fifth embodiment of the present invention.
  • Figure 6 is an electrical schematic diagram of a sixth embodiment of the present invention.
  • Figure 7 is an electrical schematic diagram of a seventh embodiment of the present invention.
  • Figure 8 is an electrical schematic diagram of an eighth embodiment of the present invention.
  • Figure 9 is an electrical schematic diagram of a ninth embodiment of the present invention.
  • Figure 10 is an electrical schematic diagram of a tenth embodiment of the present invention.
  • Figure 11 is an electrical schematic diagram of an eleventh embodiment of the present invention.
  • Figure 12 is an electrical schematic diagram of a twelfth embodiment of the present invention.
  • Figure 13 is an electrical schematic diagram of a thirteenth embodiment of the present invention.
  • Figure 14 is an electrical schematic diagram of a fourteenth embodiment of the present invention.
  • Figure 15 is an electrical schematic diagram of a fifteenth embodiment of the present invention.
  • Figure 16 is an electrical schematic diagram of a sixteenth embodiment of the present invention.
  • Figure 17 is an electrical schematic diagram of a seventeenth embodiment of the present invention.
  • Figure 18 is an electrical schematic diagram of an eighteenth embodiment of the present invention.
  • Figure 19 is an electrical schematic diagram of a nineteenth embodiment of the present invention.
  • Figure 20 is an electrical schematic diagram of a twentieth embodiment of the present invention.
  • Figure 21 is an electrical schematic diagram of a twenty first embodiment of the present invention.
  • Figure 22 is an electrical schematic diagram of a twenty-second embodiment of the present invention.
  • C Starting capacitor
  • L Current transformer, L2. Inductance
  • T Bidirectional thyristor
  • R Current limiting resistor
  • FIG. 1 is Embodiment 1.
  • a mutual inductance type non-contact current starter for a commercial refrigeration compressor motor wherein the commercial refrigeration compressor motor has a stator composed of at least one main winding and a secondary winding, and the motor main winding lead end is set to M, the motor pair
  • the winding terminal is set to S, the main and auxiliary windings of the motor are combined to be L;
  • the external connection terminals of the external AC power supply AC corresponding to the commercial refrigeration compressor motor are respectively set to the A end and the B end, and the A end and the B end can be respectively Interchange, the main and auxiliary windings are combined with the terminal L to connect to the B terminal of the AC power supply.
  • the mutual inductance type non-contact current starter comprises a current transformer L1 having a primary coil and a primary coil, and a triac T, and the first end of the current transformer L1 primary coil and the triac T
  • the T1 poles are connected in common to the A terminal of the AC power source, and the currents are mutually
  • the three ends of the secondary coil of the sensor L1 are connected to the G pole of the triac T, and the two ends of the primary coil of the current transformer L1 and the four ends of the secondary coil are commonly connected to the motor main winding terminal M, the triac
  • the T2 pole of T is connected to the motor secondary winding terminal S.
  • the current transformer L1 and the triac T are both conventional components, and the ends of the current transformer L1 are the one end and the other end of the primary coil, and the ends of the 3 and 4 are the ends of the secondary coil and the other end. One end.
  • FIG. 1 Please continue to refer to FIG. 1 to explain the working principle of this embodiment.
  • a large starting current is generated in the main winding circuit of the motor because the rotor of the motor has not been rotated at a high speed.
  • the current transformer L1 generates a large secondary induced current corresponding to the motor starting current in the primary coil in the secondary coil because the primary coil is connected in series in the main winding loop of the motor.
  • the induced current can trigger the triac T to conduct.
  • the motor starter circuit is turned on to enter the working state. At this point, the motor starts to start, and the rotor speed rises rapidly.
  • the motor starter circuit When the AC current flowing through the circuit reaches zero, the motor starter circuit is basically disconnected, and the motor enters the normal running state. After the motor enters the running state, the operating current of the motor circuit system also drops to a near normal working current, and the secondary induced current of the current transformer L1 also drops sharply, and finally the triac T conduction cannot be triggered.
  • the motor starter circuit When the motor starter circuit is completely disconnected. Since the motor is in normal operation at this time, the triac T can no longer be triggered by the output current of the secondary coil of the current transformer L1, and the motor starter circuit will remain in the current state until the motor stops rotating, thereby realizing the motor.
  • the starter circuit only works when the motor is started, and turns off when the motor enters normal operation to turn off its function.
  • the circuit uses the current transformer L1 to collect the current signal in the motor circuit, which can effectively control the power consumption during the current sampling process. It is verified that the power consumption can usually be as low as milliwatts, that is, the so-called “zero” is realized. Power consumption “commercial refrigeration compressor motor starter, which greatly improves energy efficiency.
  • the starting capacitor C1 is used to assist the motor starter circuit to be turned into an active state or turned off to turn off its function.
  • FIG. 3 is a third embodiment, in which an inductor L2 is added to the mutual inductance type contactless current starter for the commercial refrigeration compressor motor according to the second embodiment, and the first end of the inductor L2 is The T2 pole of the triac T is connected, and the two ends of the inductor L2 are connected to the motor secondary winding terminal S.
  • the inductor L2 is a conventional component, and its ends 1 and 2 are the one end and the other end of the inductor L2.
  • Inductor L2 is also used to assist the motor starter circuit to enter the working state or to open Turn off its function.
  • FIG. 4 is a fourth embodiment.
  • an inductor L2 is added to the mutual inductance type contactless current starter for the commercial refrigeration compressor motor according to the second embodiment.
  • One end of the inductor L2 is provided.
  • One end of the primary coil of the current transformer L1 is commonly connected to the A terminal of the AC power source, and the two ends of the inductor L2 are connected to the other end of the starting capacitor C1.
  • FIG. 5 is a fifth embodiment.
  • an inductor L2 is added to the mutual inductance type contactless current starter for the commercial refrigeration compressor motor according to the second embodiment.
  • One end of the inductor L2 is provided.
  • the two ends of the inductor L2 are connected to the T1 pole of the triac T.
  • FIG. 6 is a sixth embodiment, in which an inductor L2 is added to the mutual inductance type contactless current starter for the commercial refrigeration compressor motor according to the first embodiment, and the first end of the inductor L2 is The T2 pole of the triac T is connected, and the two ends of the inductor L2 are connected to the motor secondary winding terminal S.
  • FIG. 7 is a seventh embodiment.
  • an inductor L2 is added to the mutual inductance type contactless current starter for the commercial refrigeration compressor motor according to the first embodiment, and the inductor L2 has one end.
  • the first end of the primary winding of the current transformer L1 is connected to the A terminal of the alternating current power source, and the two ends of the inductor L2 are connected to the T1 pole of the triac T.
  • FIG. 8 is an embodiment 8 in which a movable capacitor C1 is added to the mutual inductance type contactless current starter for the commercial refrigeration compressor motor according to the first embodiment, and one end of the starting capacitor C1 is added. Connected to the T2 pole of the triac T, the other end of the starting capacitor C1 is connected to the motor secondary winding terminal S.
  • FIG. 9 is a ninth embodiment of the present invention.
  • an inductor L2 is added to the mutual inductance type contactless current starter for the commercial refrigeration compressor motor according to the eighth embodiment, and the first end of the inductor L2 is One end of the primary coil of the current transformer L1 is commonly connected to the A terminal of the AC power source, and the two ends of the inductor L2 are connected to the T1 pole of the triac T.
  • FIG. 10 is a tenth embodiment.
  • an inductor L2 is added to the mutual inductance type contactless current starter for the commercial refrigeration compressor motor according to the eighth embodiment, and one end of the inductor L2 is added. Connected to the other end of the starting capacitor C1, the two ends of the inductor L2 are connected to the motor secondary winding terminal S.
  • FIG. 11 is the eleventh end of the inductorless L2. Connected to the T2 pole of the triac T, the two ends of the inductor L2 are connected to one end of the starting capacitor C1.
  • FIGS. 12-22 are Embodiments 12-22, respectively.
  • the G-pole of the triac T and the three-terminal of the secondary coil of the current transformer L1 described in Embodiments 1-11 are shown.
  • a current limiting resistor R is connected in series.
  • the current changes of the different motors and the primary coils of the current transformer L1 are different, and the phase relationship of the currents in the motor starting circuit is also different.
  • the secondary coil of the current transformer L1 can obtain the trigger current with the best phase relationship with the current in the motor starter circuit, and at the same time, the trigger current can obtain the optimal change required for starting the motor. Used to trigger the triac T that is connected in series in the motor starter circuit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor And Converter Starters (AREA)

Abstract

L'invention concerne un démarreur électrique sans contact à inductance mutuelle pour un moteur de compresseur de réfrigération du commerce, ledit démarreur comprenant un transformateur de courant L1 ayant une bobine primaire et une bobine secondaire, et du silicium régulable bidirectionnel T. Une extrémité (1) de la bobine primaire du transformateur de courant L1 et un pôle T1 du silicium régulable bidirectionnel T sont reliés de façon conjointe à une extrémité A d'une alimentation électrique en courant alternatif. Une extrémité (3) de la bobine secondaire du transformateur de courant L1 est connectée à un pôle G du silicium régulable bidirectionnel T. L'autre extrémité (2) de la bobine primaire du transformateur de courant L1 et l'autre extrémité (4) de la bobine secondaire du transformateur de courant L1 sont reliées de façon conjointe à une extrémité de sortie d'enroulement primaire M d'un moteur. Un pôle T2 du silicium régulable bidirectionnel T est connecté à une extrémité de sortie d'enroulement secondaire S du moteur. Une extrémité de sortie de combinaison d'enroulement primaire et secondaire L du moteur est reliée à une extrémité B de l'alimentation en courant alternatif. En utilisant le transformateur de courant L1 pour échantillonner le courant du moteur, la consommation d'énergie peut être régulée efficacement; et le démarreur est économe en énergie et très efficace, a une structure de circuit simple et une grande universalité, peut résister à un courant élevé, et améliore la sécurité de démarrage du moteur tout en garantissant un démarrage fiable du moteur.
PCT/CN2015/077635 2014-07-11 2015-04-28 Démarreur électrique sans contact à inductance mutuelle destiné à un moteur de compresseur de réfrigération du commerce WO2016004788A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410331461.7A CN104104274A (zh) 2014-07-11 2014-07-11 一种商用制冷压缩机电机用的互感式无触点电流起动器
CN201410331461.7 2014-07-11

Publications (1)

Publication Number Publication Date
WO2016004788A1 true WO2016004788A1 (fr) 2016-01-14

Family

ID=51672143

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2015/077635 WO2016004788A1 (fr) 2014-07-11 2015-04-28 Démarreur électrique sans contact à inductance mutuelle destiné à un moteur de compresseur de réfrigération du commerce

Country Status (2)

Country Link
CN (1) CN104104274A (fr)
WO (1) WO2016004788A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104104274A (zh) * 2014-07-11 2014-10-15 常熟市天银机电股份有限公司 一种商用制冷压缩机电机用的互感式无触点电流起动器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3667017A (en) * 1971-01-06 1972-05-30 Antonio Ramirez Starter device for single phase ac motors
CN2234146Y (zh) * 1995-02-17 1996-08-28 于文江 单相电机电子起保开关
CN101841284A (zh) * 2010-04-23 2010-09-22 常熟市天银机电有限公司 互感式无触点起动器
CN104104274A (zh) * 2014-07-11 2014-10-15 常熟市天银机电股份有限公司 一种商用制冷压缩机电机用的互感式无触点电流起动器
CN204068775U (zh) * 2014-07-11 2014-12-31 常熟市天银机电股份有限公司 商用制冷压缩机电机用的互感式无触点电流起动器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916274A (en) * 1974-07-29 1975-10-28 Alexander J Lewus Solid state motor starting control
CN2239677Y (zh) * 1995-01-26 1996-11-06 于文江 单相电机旋控开关
CN1294694C (zh) * 2004-11-24 2007-01-10 常熟市天银机电有限公司 互感式无触点起动器
CN1283037C (zh) * 2005-01-21 2006-11-01 常熟市天银机电有限公司 互感式无触点起动器
CN200959581Y (zh) * 2006-09-21 2007-10-10 蔡宗法 单相异步电动机电子起动电路
CN201656870U (zh) * 2010-04-23 2010-11-24 常熟市天银机电有限公司 新型的互感式无触点起动器
CN202150820U (zh) * 2011-05-23 2012-02-22 刘惠玲 节能ptc起动器
CN203984277U (zh) * 2014-07-11 2014-12-03 常熟市天银机电股份有限公司 一种商用制冷压缩机电机用的互感式无触点电流起动器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3667017A (en) * 1971-01-06 1972-05-30 Antonio Ramirez Starter device for single phase ac motors
CN2234146Y (zh) * 1995-02-17 1996-08-28 于文江 单相电机电子起保开关
CN101841284A (zh) * 2010-04-23 2010-09-22 常熟市天银机电有限公司 互感式无触点起动器
CN104104274A (zh) * 2014-07-11 2014-10-15 常熟市天银机电股份有限公司 一种商用制冷压缩机电机用的互感式无触点电流起动器
CN204068775U (zh) * 2014-07-11 2014-12-31 常熟市天银机电股份有限公司 商用制冷压缩机电机用的互感式无触点电流起动器

Also Published As

Publication number Publication date
CN104104274A (zh) 2014-10-15

Similar Documents

Publication Publication Date Title
WO2006056106A1 (fr) Demarreur a inductance sans contact
JP4612056B2 (ja) 相互誘導性非接触スタータ
CN100490298C (zh) 无触点节能起动器
US8598820B2 (en) Surge current protection circuit and motor using the same
WO2016004784A1 (fr) Démarreur de courant sans contact à inductance mutuelle pour moteur de compresseur de réfrigération à usage commercial
WO2016004782A1 (fr) Démarreur à courant sans contact à inductance mutuelle pour moteur de compresseur frigorifique commercial
WO2016119390A1 (fr) Démarreur de moteur de compresseur de réfrigération commercial ne consommant pas d'énergie
WO2016004788A1 (fr) Démarreur électrique sans contact à inductance mutuelle destiné à un moteur de compresseur de réfrigération du commerce
WO2016004783A1 (fr) Démarreur à courant sans contact à inductance mutuelle destiné à un moteur de compresseur pour réfrigération commerciale
WO2016004785A1 (fr) Nouveau démarreur à courant sans contact à inductance mutuelle pour moteur de compresseur frigorifique commercial
WO2016004786A1 (fr) Démarreur à courant sans contact à inductance mutuelle pour moteur de compresseur frigorifique commercial
WO2016004787A1 (fr) Démarreur de courant sans contact d'induction réciproque pour un moteur de compresseur de réfrigération commercial
WO2016004789A1 (fr) Nouveau démarreur à courant sans contact à inductance mutuelle destiné à un moteur commercial de compresseur de réfrigération
CN108712114B (zh) 智能型电机起动器及其控制方法
CN203984280U (zh) 商用制冷压缩机电机用互感式无触点电流起动器
CN204068775U (zh) 商用制冷压缩机电机用的互感式无触点电流起动器
CN2901691Y (zh) 无触点节能起动器
CN203984278U (zh) 商用制冷压缩机电机互感式无触点电流起动器
WO2016119393A1 (fr) Démarreur ne consommant pas d'énergie pour moteur de compresseur de réfrigération commerciale
CN204068776U (zh) 一种商用制冷压缩机电机互感式无触点电流起动器
CN204068777U (zh) 一种商用制冷压缩机电机用新型互感式无触点电流起动器
CN204068779U (zh) 商用制冷压缩机电机用新型互感式无触点电流起动器
WO2016119392A1 (fr) Démarreur sans consommation d'énergie utilisé pour un moteur de compresseur de réfrigération commerciale
CN110808694A (zh) 一种单相电动机零功耗电子启动器及启动系统
WO2016119391A1 (fr) Démarreur sans consommation d'énergie d'un moteur de compresseur de réfrigération commerciale

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15818133

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15818133

Country of ref document: EP

Kind code of ref document: A1