CN212588145U

CN212588145U - Electric dazzling restart controller

Info

Publication number: CN212588145U
Application number: CN202021188682.0U
Authority: CN
Inventors: 浦培培; 龚吉文
Original assignee: Jiangyin Fusheng Automation Instrument Co ltd
Current assignee: Jiangyin Fusheng Automation Instrument Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-02-23
Anticipated expiration: 2030-06-23

Abstract

The utility model provides a shake electric restart controller, including relay KM coil, time relay KT1 coil, time relay KT2 coil and generator, three phase current source L1 end intercommunication inching switch's a end, first KM normally open contact's e end, KT1 normally open contact's i end and first KM normally closed contact's k end compare with prior art, the utility model discloses following beneficial effect has: through the parallelly connected KT1 normally closed contact at first KM normally open contact both ends, can guarantee to realize shaking the electricity self-starting in the outage delay time of time relay KT1 when shaking the electricity time, regard as stand-by power supply through setting up a generator, can be when shaking the electricity phenomenon serious or unexpected outage, supply power temporarily to the motor before three phase current resumes normal power supply, can provide the time of safety shutdown machine for the staff, avoid unexpected loss.

Description

Electric dazzling restart controller

Technical Field

The utility model relates to a shake electric restart controller belongs to the electrical automation control field.

Background

The electricity interference is the phenomenon of short-time voltage fluctuation or short-time power failure of a power grid caused by lightning stroke, short circuit or other reasons, and the basic types of electricity interference generated by a power supply system are as follows: when sudden voltage drop, sudden rise, short-time power failure, voltage flicker and electricity interference occur, a motor and other electrical equipment controlled by a contactor to supply power can automatically stop, even if a power is immediately supplied, the motor can not continue to work, the continuous working process of the process is interrupted, a large amount of materials are emptied and scrapped by light people, accidents such as equipment damage, fire disasters and the like are caused by heavy people, and huge loss is caused to enterprises

The traditional anti-interference electricity device or interference electricity restarting device can realize interference electricity restarting in a short time, but still is difficult to avoid accidental loss when the voltage fluctuation time is long or the voltage loss seriously leads to power failure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shake electric restart controller to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a swing electricity restart controller comprises a relay KM coil, a time relay KT1 coil, a time relay KT2 coil and a generator, wherein the end of a three-phase power supply L1 is communicated with the end a of a jog switch, the end e of a first KM normally open contact, the end i of a KT1 normally open contact and the end k of a first KM normally closed contact, the end b of the jog switch, the end f of the first KM normally open contact, the end j of the KT1 normally open contact are connected with the end c of the relay KM coil and the end g of a time relay KT1 coil, the end L of the first KM normally closed contact is connected with the end m of a time relay KT2 coil, the end d of the relay KM coil, the end h of the time relay KT1 coil and the end n of the time relay KT2 coil are connected with the end v of a thermal relay FR contact, the end u of the thermal relay FR contact is communicated with the end L3 end of the three-phase power supply, and the end, the t end of second KM normally closed contact is connecting thermorelay FR, thermorelay FR is connecting the motor, the o end of second KM normally closed contact is connected on the three-phase power cord of thermorelay FR top, the q end of KT2 normally closed contact is connected to the p end of second KM normally closed contact, the generator is connected to the r end of KT2 normally closed contact.

Further, the time relay KT1 and the time relay KT2 are both power-off delay relays, and the power-off delay time is the same.

Further, the generated power, frequency and phase of the generator are the same as those of a three-phase power supply.

Furthermore, a fuse FU1 is connected to the three-phase power supply, and a fuse FU2 is connected between the u end of the thermal relay FR, the a end of the inching switch and the three-phase power supply.

The utility model has the advantages that: the utility model discloses a shake electric restart controller, through the parallelly connected KT1 normally closed contact at first KM normally open contact both ends, can guarantee in time relay KT 1's outage delay time when shaking the electricity, can realize shaking the electricity self-starting, regard as stand-by power supply through setting up a generator, can be when shaking the electricity phenomenon serious or when unexpected outage, carry out interim power supply to the motor before three phase current resumes normal power supply, can provide the time of safety shutdown machine for the staff, avoid unexpected loss.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of a power-on-dazzling restart controller according to the present invention;

in the figure: the system comprises a 1-motor, a 2-relay KM coil, a 3-time relay KT1 coil, a 4-time relay KT2 coil, a 5-generator, a 6-inching switch, a 7-first KM normally open contact, an 8-KT1 normally open contact, a 9-first KM normally closed contact, a 10-second KM normally open contact, an 11-KM normally closed contact and a 12-KT2 normally closed contact.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a shake electric restart controller, including relay KM coil 2, time relay KT1 coil 3, time relay KT2 coil 4 and generator 5, three phase current source L1 end intercommunication inching switch 6's an end, the e end of first KM normally open contact 7, KT1 normally open contact 8's i end and first KM normally closed contact 9's k end, inching switch 6's b end, first KM normally open contact 7's f end, KT1 normally open contact 8's j end and relay KM coil 2's c end and time relay KT1 coil 3's g end link together.

The L end of the first KM normally closed contact 9 is connected with the m end of a time relay KT2 coil 4, the d end of a relay KM coil 2, the h end of a time relay KT1 coil 3 and the n end of a time relay KT2 coil 4 are connected with the v end of a thermal relay FR contact, the u end of the thermal relay FR contact is communicated with the L3 end of a three-phase power supply, the three-phase power supply is connected with the s end of a second KM normally closed contact 11, the t end of the second KM normally closed contact 11 is connected with a thermal relay FR, the thermal relay FR is connected with a motor 1, the o end of the second KM normally closed contact 11 is connected on the three-phase power line above the thermal relay FR, the p end of the second KM normally closed contact 11 is connected with the q end of a KT2 normally closed contact 12, and the r end of the KT.

Time relay KT1 and time relay KT2 are outage delay relay, and the time of outage delay is the same, can be because of shaking electricity seriously and can not successfully realize when restarting, in time start the engine and supply power, avoid unexpected loss.

The power, frequency and phase of the generator 5 are the same as those of the three-phase power supply, and it is ensured that the motor 1 or other equipment can operate normally.

Fuse FU1 is connected to the three phase current, is connected with fuse FU2 between the u end of electrothermal relay FR, the a end of inching switch 6 and the three phase current, can play overload protection's usefulness, prevents that the circuit from damaging.

As an embodiment of the present invention: when the machine is not started, current flows through the k end and the L end of the first KM normally closed contact 9 through the end L1 of the three-phase power supply, then flows through the m end and the n end of the coil 4 of the time relay KT2, then flows through the v end and the u end of the FR contact of the thermal relay, and finally flows into the end L3 of the three-phase power supply through the fuse FU2, at the moment, the coil 4 of the time relay KT2 keeps the power-on state, meanwhile, the KT2 normally closed contact 12 keeps the off state, and the generator 5 does not supply power to the motor 1.

When the machine is started, the inching switch 6 is pressed, the end a and the end b of the inching switch 6 are communicated at the moment, the coil 2 of the relay KM is electrified and attracted, meanwhile, the end e and the end f of the first KM normally-closed contact 9 are communicated, the time relay KT1 is electrified and attracted, the end i and the end j of the KT1 normally-open contact 8 are communicated, the first KM normally-closed contact 9 is disconnected, the coil 4 of the time relay KT2 is disconnected and loosened, the second KM normally-closed contact 11 is disconnected, the KT2 normally-closed contact 12 is closed after time delay, the generator 5 does not supply power to the motor 1, meanwhile, the end s and the end t of the second KM normally-open contact 10 are communicated, and.

When electricity interference occurs, the relay KM coil 2 is powered off and loosened, the first KM normally open contact 7 is disconnected, the time relay KT1 coil 3 is powered off and loosened, the k end and the l end of the first KM normally closed contact 9 are communicated, the time relay KT2 coil 4 is continuously kept disconnected due to insufficient voltage or power failure of a three-phase power supply, the o end and the p end of the second KM normally closed contact 11 are communicated, the KT2 normally closed contact 12 is kept closed, the generator 5 supplies power to the motor 1, the second KM normally open contact 10 is disconnected, the three-phase power supply stops supplying power to the motor 1, the KT1 normally open contact 8 is still closed within the set power-off delay time, if the electricity interference is ended within the delay time, namely the KT1 normally open contact 8 is not disconnected, the three-phase power supply enables the relay KM coil 2 to be powered on and attracted again through the KT1 contact 8, the circuit is restarted, meanwhile, the second KM normally closed contact, if after the delay time, three phase current does not resume normal, then KT1 normally open contact 8 disconnection, generator 5 continues to supply power to motor 1, and operating personnel manually stops motor 1 and other machines safety this moment, then closes generator 5 to wait that three phase current resumes normally, after three phase current resumes normally, press the inching switch 6 restart again can.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a shake electric restart controller, includes relay KM coil, time relay KT1 coil, time relay KT2 coil and generator, its characterized in that: three-phase power supply L1 end intercommunication inching switch's a end, the e-end of first KM normally open contact, the i-end of KT1 normally open contact and the k-end of first KM normally closed contact, inching switch's b end, the f-end of first KM normally open contact, the j-end of KT1 normally open contact link together with the c-end of relay KM coil and the g-end of time relay KT1 coil, the L-end of first KM normally closed contact links together with the m-end of time relay KT2 coil, the d-end of relay KM coil, the h-end of time relay KT1 coil and the n-end of time relay KT2 coil are connecting the v-end of thermorelay FR contact, the u-end of thermorelay FR contact communicates with the L3 end of three-phase power supply, the three-phase power supply links with the s-end of second KM normally closed contact, the t-end of second KM contact is connecting thermorelay FR, thermorelay FR is connecting, the three-phase power cord above the thermal relay FR is connected with the o end of a second KM normally closed contact, the p end of the second KM normally closed contact is connected with the q end of a KT2 normally closed contact, and the r end of the KT2 normally closed contact is connected with a generator.

2. The electric dazzling restart controller according to claim 1, wherein: the time relay KT1 and the time relay KT2 are both power-off delay relays, and the power-off delay time is the same.

3. The electric dazzling restart controller according to claim 1, wherein: the power generation power, the frequency and the phase of the generator are the same as those of a three-phase power supply.

4. The electric dazzling restart controller according to claim 1, wherein: the three-phase power supply is connected with a fuse FU1, and a fuse FU2 is connected between the u end of the thermal relay FR, the a end of the inching switch and the three-phase power supply.