[go: up one dir, main page]

CN202634332U - Electromagnetic braking rectification controller of motor - Google Patents

Electromagnetic braking rectification controller of motor Download PDF

Info

Publication number
CN202634332U
CN202634332U CN 201220183987 CN201220183987U CN202634332U CN 202634332 U CN202634332 U CN 202634332U CN 201220183987 CN201220183987 CN 201220183987 CN 201220183987 U CN201220183987 U CN 201220183987U CN 202634332 U CN202634332 U CN 202634332U
Authority
CN
China
Prior art keywords
voltage
electromagnetic braking
rectification circuit
circuit
phase bridge
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
Application number
CN 201220183987
Other languages
Chinese (zh)
Inventor
王正雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lengshuijiang Iron & Steel Co Ltd
Original Assignee
Lengshuijiang Iron & Steel Co Ltd
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 Lengshuijiang Iron & Steel Co Ltd filed Critical Lengshuijiang Iron & Steel Co Ltd
Priority to CN 201220183987 priority Critical patent/CN202634332U/en
Application granted granted Critical
Publication of CN202634332U publication Critical patent/CN202634332U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Stopping Of Electric Motors (AREA)

Abstract

The utility model discloses an electromagnetic braking rectification controller of a motor, wherein the rectification controller comprises a single-phase bridge rectification circuit, a single-phase half-wave rectification circuit, a filter circuit and a time-delay circuit. A capacitor (C1) is connected in parallel at two ends of a voltage (U1); the single-phase bridge rectification circuit that is formed by semiconductor diodes (D1, D2, D3 and D4) or the single-phase half-wave rectification circuit that is formed by semiconductor diodes (D2 and D4) is connected at two ends of the voltage (U1); a voltage (U0) is arranged at the output terminal of the single-phase bridge rectification circuit or the single-phase half-wave rectification circuit; a capacitor (C2) is connected in parallel with the output terminal of the single-phase bridge rectification circuit or the single-phase half-wave rectification circuit and the two ends of the capacitor (C2) are connected with an electromagnetic braking coil; and an electrification time-delay relay (KT1) and an intermediate relay (KA1) are connected in parallel at two ends of the voltage (U1). According to the utility model, the provided rectification controller has advantages of long service life of the electromagnetic braking coil, convenient installation and maintenance, reliable work, equipment fault rate reduction, and lowered maintenance cost; besides, the production can be ensured to be carried out smoothly and a power guarantee is provided for the rapid production rhythm.

Description

Motor electromagnetic braking commutation controller
Technical field
The utility model relates to a kind of threephase asynchronous electromagnetic braking commutation controller, the DC injection braking commutation controller that to be specifically related to a kind of solenoid voltage be DC170V.
Background technology
The motor electromagnetic brake control extensively adopts and carries supporting rectification dc controller at present; Open when electric; Brake during dead electricity, its electromagnetic braking coil has two kinds of electric pressures, selects according to the solenoid voltage request: a kind of is that input two phase 380V halfwave rectifier output voltages are DC170V; Another kind is that the single-phase 220V halfwave rectifier output voltage of input is DC99V; What for example the fan-shaped motor electromagnetic restraining coil of (163 * 163) mm billet caster adopted is that output voltage is DC170V, and motor works long hours (as greater than 16 hours) continuously, and output voltage DC170V remains unchanged always.Because of electromagnetic braking coil winding resistance is certain, the electric current through coil keeps higher value always, so cause the electromagnetic braking coil heating serious, temperature rises sharply under the state of working long hours, and has reduced the useful life of electromagnetic braking coil; Because regular scaling loss can appear in the overheated of electromagnetic braking coil, cause armature to lose magnetic force in addition, ejected by the spring in unshakable in one's determination; Armature and frictional disk produce brake torque, make the over current of motor tripping operation, even burn out motor; And bring the secondary fault of equipment thus, finally cause influencing the consequence of production.
Summary of the invention
The purpose of the utility model is to provide a kind of and reduces through motor electromagnetic restraining coil electric current, reduce coil heating, save power consumption, prolong electromagnetic braking coil useful life, reduce equipment fault and improve the motor electromagnetic braking commutation controller of equipment service efficiency.
For realizing above-mentioned purpose, the technical scheme that the utility model adopts is: described a kind of motor electromagnetic braking commutation controller comprises by semiconductor diode D 1, D 2, D 3And D 4The single phase bridge type rectifier circu of forming, by semiconductor diode D 2And D 4The single-phase half-wave rectifier circuit of forming, by capacitor C 2With the filter circuit of electromagnetic braking coil composition itself and by auxiliary relay KA 1With energization delay relay KT 1The delay circuit of forming, capacitor C 1Be connected in parallel on voltage U 1Two ends, voltage U 1Two ends connect the voltage input end of single phase bridge type rectifier circu or single-phase half-wave rectifier circuit, the voltage output end of single phase bridge type rectifier circu or single-phase half-wave rectifier circuit is parallel with capacitor C 2, capacitor C 2Two termination electromagnetic braking coils; Energization delay relay KT 1With auxiliary relay KA 1Be connected in parallel on voltage U 1Two ends.
Adopt a kind of motor electromagnetic braking commutation controller that as above technical scheme provides compared with prior art, technique effect is:
1. the motor electromagnetic restraining coil improves 2~3 times useful life.
2. installation and easy to maintenance has reduced maintenance cost.
3. reliable operation has reduced equipment failure rate, guarantees to produce smoothly, for speed production rhythm provides powerful guarantee.
Description of drawings
Fig. 1 is the circuit layout sketch map of the described a kind of motor electromagnetic braking of the utility model commutation controller when work by single phase bridge type rectifier circu, also is the Figure of abstract of the utility model.
Circuit when Fig. 2 is worked by single-phase half-wave rectifier circuit for motor electromagnetic braking commutation controller is arranged sketch map.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done further to describe in detail.
Of Fig. 1, the described a kind of motor electromagnetic braking commutation controller of the utility model comprises single phase bridge type rectifier circu, single-phase half-wave rectifier circuit, filter circuit and delay circuit, by semiconductor diode D 1, D 2, D 3And D 4Form single-phase bridge (all-wave) rectification circuit, by semiconductor diode D 2And D 4Form single-phase half-wave rectifier circuit, form filter circuit by capacitor C 2 and electromagnetic braking coil itself, by auxiliary relay KA 1With energization delay relay KT 1Form delay circuit.
Capacitor C 1Be connected in parallel on voltage U 1Two ends, said capacitor C 1Be anti-surge electric capacity, can be to voltage U 1Overstable effect, voltage U 1Be AC220V.Voltage U 1Two ends connect single-phase bridge (all-wave) rectification circuit or single-phase half-wave rectifier circuit, the output of single-phase bridge (all-wave) rectification circuit or single-phase half-wave rectifier circuit is parallel with capacitor C 2, the output voltage of single-phase bridge (all-wave) rectification circuit is U 0, capacitor C 2Two termination electromagnetic braking coils, said capacitor C 2Can be described as filter capacitor.Auxiliary relay KA 1With energization delay relay KT 1Be connected in parallel on voltage U 1Two ends.
During enforcement, described a kind of motor electromagnetic braking commutation controller is installed to operation field, in the moment of electric motor starting, though auxiliary relay KA 1With energization delay relay KT 1Coil get electric, but as shown in Figure 1, auxiliary relay KA 1Be in closure state (promptly " closing "), energization delay relay KT 1Be in open mode (promptly " opening "), at this moment voltage U 1Be added in the voltage input end of single-phase bridge (all-wave) rectification circuit, voltage U be provided for the electromagnetic braking coil by single phase bridge type rectifier circu 0=0.9U 1, supply power to the electromagnetic braking coil by single phase bridge type rectifier circu work when realizing electric motor starting, produce big magnetic field, armature to be inhaled back, brake is in open mode, the motion of driven by motor power transmission shaft.Through 5 seconds, delay circuit work, auxiliary relay KA at this moment 1Break off (promptly " opening "), and energization delay relay KT 1Closed (promptly " closing "), i.e. energization delay relay KT 1The auxiliary contact action makes auxiliary relay KA 1Get the electrician and do, being delayed time by the work of single-phase bridge (all-wave) rectification circuit converts single-phase half-wave rectifier circuit work 5 seconds into, for the electromagnetic braking coil provides voltage, and the voltage that provides (voltage of promptly exporting) U by half-wave rectifying circuit 0=0.45U 1,, make the electromagnetic braking coil be in low-voltage control as the voltage of keeping of electromagnetic braking coil; Keep its magnetic field force; Keep controller and be in open mode, reduce output voltage, reduce electric current through the electromagnetic braking coil; Reduce the heating degree of coil, can realize the described purpose of the utility model.

Claims (1)

1. a motor electromagnetic braking commutation controller comprises by semiconductor diode (D 1, D 2, D 3, D 4) form single phase bridge type rectifier circu, by semiconductor diode (D 2, D 4) form single-phase half-wave rectifier circuit, by electric capacity (C 2) and the filter circuit formed of electromagnetic braking coil itself and by auxiliary relay (KA 1) and energization delay relay (KT 1) delay circuit formed, it is characterized in that: electric capacity (C 1) be connected in parallel on voltage (U 1) two ends, voltage (U 1) two ends connect the voltage input end of single phase bridge type rectifier circu or single-phase half-wave rectifier circuit, the voltage output end of single phase bridge type rectifier circu or single-phase half-wave rectifier circuit is parallel with electric capacity (C 2), electric capacity (C 2) two termination electromagnetic braking coils; Energization delay relay (KT 1) and auxiliary relay (KA 1) be connected in parallel on voltage (U 1) two ends.
CN 201220183987 2012-04-24 2012-04-24 Electromagnetic braking rectification controller of motor Expired - Fee Related CN202634332U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220183987 CN202634332U (en) 2012-04-24 2012-04-24 Electromagnetic braking rectification controller of motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220183987 CN202634332U (en) 2012-04-24 2012-04-24 Electromagnetic braking rectification controller of motor

Publications (1)

Publication Number Publication Date
CN202634332U true CN202634332U (en) 2012-12-26

Family

ID=47387473

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220183987 Expired - Fee Related CN202634332U (en) 2012-04-24 2012-04-24 Electromagnetic braking rectification controller of motor

Country Status (1)

Country Link
CN (1) CN202634332U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108418445A (en) * 2017-02-09 2018-08-17 苏州采奕动力科技有限公司 A kind of novel double pressure quick responses braking rectifiers
CN113659855A (en) * 2021-08-05 2021-11-16 深圳市合科泰电子有限公司 DC diode voltage-stabilized power supply circuit with rectification and protection circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108418445A (en) * 2017-02-09 2018-08-17 苏州采奕动力科技有限公司 A kind of novel double pressure quick responses braking rectifiers
CN108418445B (en) * 2017-02-09 2024-03-22 苏州采奕动力科技有限公司 Double-voltage quick response braking rectifier
CN113659855A (en) * 2021-08-05 2021-11-16 深圳市合科泰电子有限公司 DC diode voltage-stabilized power supply circuit with rectification and protection circuit

Similar Documents

Publication Publication Date Title
CN202634332U (en) Electromagnetic braking rectification controller of motor
WO2023056777A1 (en) Energy-saving control method for contactor
CN201733261U (en) Electricity economizing motor Y-delta starter
CN104157513A (en) Novel alternating current contactor and switching-off method thereof
CN204289279U (en) A kind of Novel AC contactor
CN110492796A (en) A kind of heavy-duty motor operating mechanism control device and method
CN201910765U (en) Energy-saving starting control circuit of asynchronous motor
CN207634800U (en) A kind of electromagnetic valve energy-saving cooling power supply
CN201928236U (en) Power saver for motor
CN207483148U (en) Escalator solenoid circuit
CN201226285Y (en) Friction dry-type electromagnetic disc type brake rectifier
CN201600980U (en) Novel electromagnetic control module
CN2785229Y (en) Terminal energy-saving controller
CN203313108U (en) Circuit for controlling a plurality of blower fans of warp sizing machine
CN202550908U (en) Energy-saving power converting device adaptive to AC contactor
CN109192617B (en) Electromagnetic controllable attraction force is as alternating current contactor of twin coil structure of counter-force
CN207909797U (en) A kind of vacuum contactor solenoid controlled circuit
CN2164932Y (en) Contactless controller for electric screw press
CN201234175Y (en) Wound type asynchronous motor with low speed regulating loss and speed regulating device
CN203578714U (en) Square billet continuous casting tension leveler band-type brake rectifying device
CN201471062U (en) Full-automatic no-load energy-saving welding machine
CN100356653C (en) Terminal energy-saving controller
CN2478232Y (en) Automatic energy saver of a.c. contactor
CN2585395Y (en) High efficiency, energy saving, electromagnet, double DC power supply circuit
CN201733264U (en) Electricity saving device of motor

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121226

Termination date: 20150424

EXPY Termination of patent right or utility model