CN206259872U - A kind of three phase alternating current motor starts brake control circuit - Google Patents
A kind of three phase alternating current motor starts brake control circuit Download PDFInfo
- Publication number
- CN206259872U CN206259872U CN201621058392.8U CN201621058392U CN206259872U CN 206259872 U CN206259872 U CN 206259872U CN 201621058392 U CN201621058392 U CN 201621058392U CN 206259872 U CN206259872 U CN 206259872U
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- contactor
- pin
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- Expired - Fee Related
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Abstract
Start brake control circuit the utility model discloses a kind of three phase alternating current motor, including linked switch Q, contactor KM1, contactor KM2 and time relay KT, the linked switch Q pin 1, pin 2 and pin 3 connect three-phase electricity A phases respectively, B phases and C phases, the pins 1 of the connection contactor KM1 of linked switch Q pin 6 contact KM1 1, linked switch Q pin 5 connects the pins 2 of contactor KM1 contact KM1 1 respectively, transformer T coils L1, contactor KM1 coils, time relay KT coils and contactor KM2 coils, linked switch Q pin 4 connects the pins 3 of contactor KM1 contact KM1 1 respectively, the pins 1 of contactor KM2 contact KM2 1, key switch SB1 and time relay KT contact KT 1.The utility model three phase alternating current motor starts brake control circuit and uses 2 winding locking type contactor KM1 and KM2, makes internal control circuit simple, and reliable operation.
Description
Technical field
The utility model is related to a kind of control circuit, specifically a kind of three phase alternating current motor to start brake control circuit.
Background technology
In some alternating current generators start brake control circuit, inside performs contactor also to be had and is connect using 1 winding locking type
Tentaculum, the contactor possesses a coil, is that a kind of according to applied voltage polarity switching and can keep set or reset state
Locking contact device.But because itself actuating coil applied voltage polarity must switch, then make control circuit complex.For example disclose
Number A.C. contactor provided for 204424168U, its control circuit is just complex.
Utility model content
The purpose of this utility model is to provide a kind of three phase alternating current motor to start brake control circuit, to solve the above-mentioned back of the body
The problem proposed in scape technology.
To achieve the above object, the utility model provides following technical scheme：
A kind of three phase alternating current motor starts brake control circuit, including linked switch Q, contactor KM1, contactor KM2 and
Time relay KT, the linked switch Q pin 1, pin 2 and pin 3 connect three-phase electricity A phases, B phases and C phases respectively, and linkage is opened
The connection of Q pin 6 contactor KM1 contacts KM1-1 pin 1 is closed, linked switch Q pin 5 connects contactor KM1 contact KM1-1 respectively
Pin 2, transformer T coils L1, contactor KM1 coils, time relay KT coils and contactor KM2 coils, linked switch Q draw
Pin 4 connects contactor KM1 contacts KM1-1 pins 3, contactor KM2 contacts KM2-1 pins 1, key switch SB1 and time respectively
Relay KT contact KT-1, contactor KM1 contacts KM1-1 pin 6 connects motor M pins 1, contactor KM1 contacts KM1-1 pins
5 connection motor M pins 2 and contactor KM2 contacts KM2-1 pins 3 respectively, contactor KM1 contacts KM1-1 pin 4 is connected respectively
Motor M pins 3 and contactor KM2 contacts KM2-1 pin 5, contactor KM2 contacts KM2-1 pin 2 connect transformer T coils L1
The other end, contactor KM2 contacts KM2-1 pin 4 connects rectifier bridge H pins 1, and contactor KM2 contacts KM2-1 pin 6 connects whole
Stream bridge H pins 3, rectifier bridge H pins 2 and pin 4 connect transformer T coil L2 two ends, the key switch SB1 other ends respectively
Connection key switch SB2 and contactor KM1 contact KM1-2, key switch the SB2 other ends connect contactor KM1 and touch respectively respectively
The point KM1-2 other ends, the contactor KM1 coils other end and the time relay KT coil other ends, the contactor KM2 coils are another
One end connection contactor KM1 contact KM1-3, contactor KM1 contact KM1-3 other end Connection Time relay KT contact KT-1 is another
One end.
As the utility model further scheme：The three-phase electricity is 380V three-phase electricities.
Compared with prior art, the beneficial effects of the utility model are：The utility model three phase alternating current motor starts braking
Control circuit uses 2 winding locking type contactor KM1 and KM2, makes internal control circuit simple, and reliable operation.
Brief description of the drawings
Fig. 1 is the circuit diagram that three phase alternating current motor starts brake control circuit.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1 is referred to, in the utility model embodiment, a kind of three phase alternating current motor starts brake control circuit, including connection
Dynamic switch Q, contactor KM1, contactor KM2 and time relay KT, the linked switch Q pin 1, pin 2 and pin 3 are distinguished
Connection three-phase electricity A phases, B phases and C phases, the connection contactor KM1 of linked switch Q pin 6 contacts KM1-1 pin 1, linked switch Q draws
Pin 5 connects contactor KM1 contacts KM1-1 pin 2, transformer T coils L1, contactor KM1 coils, time relay KT lines respectively
Circle and contactor KM2 coils, linked switch Q pin 4 connect contactor KM1 contacts KM1-1 pins 3, contactor KM2 contacts respectively
KM2-1 pins 1, key switch SB1 and time relay KT contact KT-1, contactor KM1 contacts KM1-1 pin 6 connect motor M
Pin 1, contactor KM1 contacts KM1-1 pin 5 connection motor M pins 2 and contactor KM2 contacts KM2-1 pin 3, contact respectively
Device KM1 contacts KM1-1 pin 4 connection motor M pins 3 and contactor KM2 contacts KM2-1 pin 5, contactor KM2 contacts respectively
KM2-1 pins 2 connect the transformer T coil L1 other ends, and contactor KM2 contacts KM2-1 pin 4 connects rectifier bridge H pins 1, connects
Tentaculum KM2 contacts KM2-1 pin 6 connects rectifier bridge H pins 3, and rectifier bridge H pins 2 and pin 4 connect transformer T coils respectively
L2 two ends, the key switch SB1 other ends connect key switch SB2 and contactor KM1 contact KM1-2, key switch respectively
The SB2 other ends connect the contactor KM1 contacts KM1-2 other end, the contactor KM1 coils other end and time relay KT lines respectively
The circle other end, the contactor KM2 coils other end connection contactor KM1 contact KM1-3, contactor KM1 contact KM1-3 are another
The end Connection Time relay KT contact KT-1 other ends；The three-phase electricity is 380V three-phase electricities.
Refer to Fig. 1, normal starting process：By key switch SB2, KM1 is powered, main contacts KM1-1 closures, motor M works
Make, KM1 auxiliary normally opened contact KM1-2 self-lockings, KM1 auxiliary normally-closed contacts KM1-3 disconnects, and KT is powered, the normally opened time delay contact KT- of KT
1 closure, KM2 power-off.
Braking procedure：Switch SB1, KM1 power-off is pushed button, KM1 main contacts KM1-1 disconnects, and motor M departs from power supply, KM1
Auxiliary normally-closed contact KM1-3 recovers closure, and KM2 is powered, and accesses dc source, and braking starts, while KM1 auxiliary normally opened contacts
KM1-2 recovers to disconnect again, then KT coils are in off-position, and time delay starts, and after after the arrival of set delay time, the time delay of KT is normally opened
Contact KT-1 recovers to disconnect, and KM2 dead electricity cuts off dc source, end of braking.
In sum, the utility model three phase alternating current motor starts brake control circuit using 2 winding locking type contactors
KM1 and KM2, makes internal control circuit simple, and reliable operation.
Claims (2)
1. a kind of three phase alternating current motor starts brake control circuit, including linked switch Q, contactor KM1, contactor KM2 and when
Between relay KT, it is characterised in that the linked switch Q pin 1, pin 2 and pin 3 connect three-phase electricity A phases, B phases and C respectively
Phase, the connection of linked switch Q pin 6 contactor KM1 contacts KM1-1 pin 1, linked switch Q pin 5 connects contactor KM1 respectively
Contact KM1-1 pin 2, transformer T coils L1, contactor KM1 coils, time relay KT coils and contactor KM2 coils, connection
Dynamic switch Q pin 4 connects contactor KM1 contacts KM1-1 pins 3, contactor KM2 contacts KM2-1 pins 1, key switch respectively
SB1 and time relay KT contact KT-1, contactor KM1 contacts KM1-1 pin 6 connect motor M pins 1, contactor KM1 contacts
KM1-1 pins 5 connect motor M pins 2 and contactor KM2 contacts KM2-1 pin 3 respectively, contactor KM1 contacts KM1-1 pin 4
Connection motor M pins 3 and contactor KM2 contacts KM2-1 pin 5 respectively, contactor KM2 contacts KM2-1 pin 2 connect transformer
The T coil L1 other ends, contactor KM2 contacts KM2-1 pin 4 connects rectifier bridge H pins 1, contactor KM2 contacts KM2-1 pin 6
Connection rectifier bridge H pins 3, rectifier bridge H pins 2 and pin 4 connect transformer T coil L2 two ends, the key switch SB1 respectively
The other end connects key switch SB2 and contactor KM1 contact KM1-2 respectively, and the key switch SB2 other ends connect contactor respectively
The KM1 contacts KM1-2 other end, the contactor KM1 coils other end and the time relay KT coil other ends, the contactor KM2
The coil other end connects contactor KM1 contact KM1-3, contactor KM1 contacts KM1-3 other end Connection Time relay KT contacts
The KT-1 other ends.
2. three phase alternating current motor according to claim 1 starts brake control circuit, it is characterised in that the three-phase electricity is
380V three-phase electricities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621058392.8U CN206259872U (en) | 2016-09-14 | 2016-09-14 | A kind of three phase alternating current motor starts brake control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621058392.8U CN206259872U (en) | 2016-09-14 | 2016-09-14 | A kind of three phase alternating current motor starts brake control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206259872U true CN206259872U (en) | 2017-06-16 |
Family
ID=59022947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621058392.8U Expired - Fee Related CN206259872U (en) | 2016-09-14 | 2016-09-14 | A kind of three phase alternating current motor starts brake control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206259872U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110138308A (en) * | 2019-06-24 | 2019-08-16 | 浙江幸福航天科技有限公司 | Motor operation control circuit and motor operation system |
-
2016
- 2016-09-14 CN CN201621058392.8U patent/CN206259872U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110138308A (en) * | 2019-06-24 | 2019-08-16 | 浙江幸福航天科技有限公司 | Motor operation control circuit and motor operation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 Termination date: 20180914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |