CN202190060U - Anti-electric-dazzling device for low-capacity motor or single motor - Google Patents
Anti-electric-dazzling device for low-capacity motor or single motor Download PDFInfo
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- CN202190060U CN202190060U CN2011202642546U CN201120264254U CN202190060U CN 202190060 U CN202190060 U CN 202190060U CN 2011202642546 U CN2011202642546 U CN 2011202642546U CN 201120264254 U CN201120264254 U CN 201120264254U CN 202190060 U CN202190060 U CN 202190060U
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- motor
- contactor
- time relay
- low
- stop button
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Abstract
The utility model discloses an anti-electric-dazzling device for a low-capacity motor or a single motor. The anti-electric-dazzling device includes a stop button SB1, a start button SB2, a contactor KM, a time relay KT, and a fire line N and a zero line N together used for an access of AC. The start button SB2 and a normally open auxiliary contact of the contactor KM connect with a normally closed delay opening contact of the time relay KT in parallel. A first connection terminal of the stop button SB1 connects with the fire line L. A second connection terminal of the stop button SB1 connects with the zero line N through the start button SB2 and a sucking coil of the contactor KM successively and connects with the zero line N through a sucking coil of the time relay KT. The anti-electric-dazzling device for the low-capacity motor or the single motor in the utility model can overcome shortcomings of low reliability of motor operation, bad influence on production, large consumption of production material, serious influence on economic benefit and the like in the prior art, thereby realizing advantages of high reliability of motor operation, low material cost, good economic benefit and high safety.
Description
Technical field
The utility model relates to motor, particularly, relates to the anti-rolling electric installation of a kind of small-capacity motor or separate unit motor.
Background technology
Motor is a chemical industry quantity-produced visual plant, and each voltage fluctuation (rolling) will directly influence the normal operation of low voltage motor and the continuous production of chemical plant installations.
At present, what the chemical plant installations major part was used is low voltage motor, and the power control part branch " contactor " of low voltage motor is 220V or 380V control voltage, and when system's electrical network failed because or flashover discharge, line voltage will reduce moment; When line voltage was lower than 70%, the suction-combining force of motor contactor will cause the motor contactor to discharge deenergization, thereby make motor out of service less than the tension force of spring, and influence is produced, and a large amount of production materials are scrapped, and has a strong impact on economic benefit.
In realizing the process of the utility model, the inventor finds to exist at least in the prior art that running reliability of motor is low, influence is produced, be prone to make production material to scrap and have a strong impact on defective such as economic benefit.
Summary of the invention
The purpose of the utility model is, to the problems referred to above, proposes the anti-rolling electric installation of a kind of small-capacity motor or separate unit motor, with the advantage that realizes that running reliability of motor is high, cost of material is low, good in economic efficiency and fail safe is good.
For realizing above-mentioned purpose; The technical scheme that the utility model adopts is: the anti-rolling electric installation of a kind of small-capacity motor or separate unit motor; The live wire N and the zero line N that comprise stop button SB1, start button SB2, contactor KM, time relay KT and be used for incoming transport electricity, wherein: said start button SB2, contactor KM often open auxiliary contact and time relay KT often to open the Time Delay Opening contact parallelly connected; First link of the said stop button SB1 line L that starts to exchange fire; Second link of stop button SB1 behind start button SB2, connecting to neutral line N behind the sucking coil of contactor KM, and behind the sucking coil of the time relay KT connecting to neutral line N.
The anti-rolling electric installation of the small-capacity motor of each embodiment of the utility model or separate unit motor; Because the live wire N and the zero line N that comprise stop button SB1, start button SB2, contactor KM, time relay KT and be used for incoming transport electricity, start button SB2, contactor KM often open auxiliary contact and time relay KT often to open the Time Delay Opening contact parallelly connected; First link of the stop button SB1 line L that starts to exchange fire; Second link of stop button SB1 behind start button SB2, connecting to neutral line N behind the sucking coil of contactor KM, and behind the sucking coil of the time relay KT connecting to neutral line N; Can be when system's voltage ripple of power network causes motor to be shut down; Can in the shortest time, normally move by automatic restorer; Thereby the minimizing personnel go to and on-the-spot restart by platform in a large number, avoid bigger economic loss, also avoid misoperation and potential safety hazard simultaneously; Running reliability of motor is low in the prior art, influence is produced, be prone to make production material to scrap and the defective that has a strong impact on economic benefit, with the advantage that realizes that running reliability of motor is high, cost of material is low, good in economic efficiency and fail safe is good thereby can overcome.
Further feature of the utility model and advantage will be set forth in specification subsequently, and, partly from specification, become obvious, perhaps understand through implementing the utility model.The purpose of the utility model can realize through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtain with other advantages.
Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.
Description of drawings
Accompanying drawing is used to provide the further understanding to the utility model, and constitutes the part of specification, is used to explain the utility model with the embodiment of the utility model, does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is the electrical principle sketch map according to the anti-rolling electric installation of the utility model small-capacity motor or separate unit motor.
Embodiment
Describe below in conjunction with the preferred embodiment of accompanying drawing, should be appreciated that preferred embodiment described herein only is used for explanation and explains the utility model, and be not used in qualification the utility model the utility model.
According to the utility model embodiment, the anti-rolling electric installation of a kind of small-capacity motor or separate unit motor is provided.As shown in Figure 1; Live wire N and zero line N that present embodiment comprises stop button SB1, start button SB2, contactor KM, time relay KT and is used for incoming transport electricity, wherein: start button SB2, contactor KM often open auxiliary contact and time relay KT often to open the Time Delay Opening contact parallelly connected; First link of the stop button SB1 line L that starts to exchange fire; Second link of stop button SB1 behind start button SB2, connecting to neutral line N behind the sucking coil of contactor KM, and behind the sucking coil of the time relay KT connecting to neutral line N.
In the above-described embodiments, in motor control loop, add a time relay (being time relay K T), the electric mode of anti-rolling is direct self-starting.Particularly: the coil of the time relay and the coils from parallel connection of coils of contactor, (the contact KT of outage Time Delay Opening) is parallelly connected with start button (SB2) for its auxiliary contact.When fluctuation takes place in electrical network; The coil losing electricity of contactor; The auxiliary contact of contactor (KM) is opened, and the auxiliary contact of the time relay (the contact KT of outage Time Delay Opening) time-delay is broken off, during power system restoration; Through the auxiliary contact KT momentary connection contactor coil of the time relay, realize the self-starting of motor.It is 3 seconds that the time of the time relay generally adjusts, and gives me a little not actuating motor after 3 seconds.
In the above-described embodiments; Increase a time relay (being time relay K T) at motor control loop; When motor normally moves, the time relay always electric operation, when system's voltage ripple of power network causes the motor contactor to discharge; Be communicated with in finite time through time relay dead electricity timing closing contact and on-the-spot start the knob loop, thus make the motor contactor again electric operation; When system's voltage ripple of power network causes motor to be shut down, can be in the shortest time automatically restorer normally move, thereby the minimizing personnel go to and on-the-spotly restart by platform in a large number, avoid bigger economic loss, also avoid misoperation and potential safety hazard simultaneously.
During practical implementation,, can in motor control loop,, and, set the debugging of self-starting time by the principle wiring according to the explanation set-up time relay of Fig. 1 for low capacity or separate unit motor.
Before the small-capacity motor of employing the foregoing description or the anti-rolling electric installation of separate unit motor; Each electrical network rolling electricity all causes a large amount of motors to be stopped transport; Have a strong impact on production, a large amount of attendants and operating personnel run busy, recover to send electricity and restart motor; Have a large amount of safety and misoperation hidden danger, and loss is serious; Behind the small-capacity motor of employing the foregoing description or the anti-rolling electric installation of separate unit motor, check just during electrical network rolling electricity that whether motor normally moves, and influences less to production.
In sum; The anti-rolling electric installation of the small-capacity motor of each embodiment of the utility model or separate unit motor; Because the live wire N and the zero line N that comprise stop button SB1, start button SB2, contactor KM, time relay KT and be used for incoming transport electricity, start button SB2, contactor KM often open auxiliary contact and time relay KT often to open the Time Delay Opening contact parallelly connected; First link of the stop button SB1 line L that starts to exchange fire; Second link of stop button SB1 behind start button SB2, connecting to neutral line N behind the sucking coil of contactor KM, and behind the sucking coil of the time relay KT connecting to neutral line N; Can be when system's voltage ripple of power network causes motor to be shut down; Can in the shortest time, normally move by automatic restorer; Thereby the minimizing personnel go to and on-the-spot restart by platform in a large number, avoid bigger economic loss, also avoid misoperation and potential safety hazard simultaneously; Running reliability of motor is low in the prior art, influence is produced, be prone to make production material to scrap and the defective that has a strong impact on economic benefit, with the advantage that realizes that running reliability of motor is high, cost of material is low, good in economic efficiency and fail safe is good thereby can overcome.
What should explain at last is: the above is merely the preferred embodiment of the utility model; Be not limited to the utility model; Although the utility model has been carried out detailed explanation with reference to previous embodiment; For a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the utility model.
Claims (1)
1. the anti-rolling electric installation of small-capacity motor or separate unit motor is characterized in that, the live wire N and the zero line N that comprise stop button SB1, start button SB2, contactor KM, time relay KT and be used for the incoming transport electricity, wherein:
Said start button SB2, contactor KM often open auxiliary contact and time relay KT often to open the Time Delay Opening contact parallelly connected;
First link of the said stop button SB1 line L that starts to exchange fire; Second link of stop button SB1 behind start button SB2, connecting to neutral line N behind the sucking coil of contactor KM, and behind the sucking coil of the time relay KT connecting to neutral line N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202642546U CN202190060U (en) | 2011-07-22 | 2011-07-22 | Anti-electric-dazzling device for low-capacity motor or single motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202642546U CN202190060U (en) | 2011-07-22 | 2011-07-22 | Anti-electric-dazzling device for low-capacity motor or single motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202190060U true CN202190060U (en) | 2012-04-11 |
Family
ID=45921494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202642546U Expired - Lifetime CN202190060U (en) | 2011-07-22 | 2011-07-22 | Anti-electric-dazzling device for low-capacity motor or single motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202190060U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154628A (en) * | 2013-05-16 | 2014-11-19 | 国家电网公司 | Device for automatically starting air conditioner |
| CN110838711A (en) * | 2019-11-19 | 2020-02-25 | 中石化南京工程有限公司 | Anti-interference circuit |
-
2011
- 2011-07-22 CN CN2011202642546U patent/CN202190060U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154628A (en) * | 2013-05-16 | 2014-11-19 | 国家电网公司 | Device for automatically starting air conditioner |
| CN110838711A (en) * | 2019-11-19 | 2020-02-25 | 中石化南京工程有限公司 | Anti-interference circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181012 Address after: 833699 Nanhai Road, Dushanzi District, Karamay, the Xinjiang Uygur Autonomous Region 15 Patentee after: Karamay Tianli Henghua Petrochemical Co. Ltd. Address before: 834000 Nanhai Road, Dushanzi District, Karamay, the Xinjiang Uygur Autonomous Region 8 Patentee before: Xinjiang Dushanzi Tianli Industrial Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120411 |
|
| CX01 | Expiry of patent term |