CN110224638A - A kind of more motor linkage control circuits of hydraulic station - Google Patents
A kind of more motor linkage control circuits of hydraulic station Download PDFInfo
- Publication number
- CN110224638A CN110224638A CN201910624301.4A CN201910624301A CN110224638A CN 110224638 A CN110224638 A CN 110224638A CN 201910624301 A CN201910624301 A CN 201910624301A CN 110224638 A CN110224638 A CN 110224638A
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- intermediate relay
- control
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- normally
- motor
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- 230000015572 biosynthetic process Effects 0.000 claims description 4
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor And Converter Starters (AREA)
Abstract
A kind of more motor linkage control circuits of hydraulic station, the control circuit is controlled by four control cabinet combinations, in No. 1 control cabinet control loop: the corresponding contactor normally opened contact of four motors is respectively formed the starting run signal of 4 motors with the series connection of corresponding intermediate relay coil；It is serially connected between the corresponding intermediate relay normally opened contact of two motors arbitrarily started and any two electric motor starting of connecting simultaneously, other motors do not start corresponding intermediate relay coil and form any two electric motor startings other motors not starting-up later time；Three intermediate relay coil normally-closed contacts of connecting respectively in 4 control cabinet control loops form the interlocking No starting signal of another two motor.After the present invention realizes any two electric motor startings by the control circuit, in addition two motors cannot start, and interlock function be realized, to prevent maloperation.
Description
Technical field
The invention belongs to a kind of more motor linkage control circuits used in the control of oil drilling and extracting equipment assembled hydraulic station.
Background technique
In the manufacturing at existing oil drilling and extracting equipment assembled hydraulic station, usually match 2 motors, the using and the reserved are single
Platform motor interlocking, to realize the control to assembled hydraulic station.According to the needs of production, 4 motors are needed to configure at present, 2 with 2
It is standby, and realize that function interlocks, the needs produced now, therefore a kind of more motor connection of hydraulic station are unable to satisfy according to existing technology
The Technology design innovation of dynamic control circuit is necessary.
Summary of the invention
It is an object of the invention to: a kind of more motor linkage control circuits of hydraulic station are provided, are realized by the control circuit
After any two electric motor startings, in addition two motors cannot start, and interlock function be realized, to prevent maloperation.
The present invention is to be attained in that by following technical solution
A kind of more motor linkage control circuits of hydraulic station, it is characterised in that: the control circuit is controlled by four control cabinet combinations, and 1
In number control cabinet control loop: the corresponding contactor normally opened contact of four motors and the series connection point of corresponding intermediate relay coil
Not Xing Cheng 4 motors starting run signal；Phase between the corresponding intermediate relay normally opened contact of two motors arbitrarily started
Mutually series connection and any two electric motor starting of connecting simultaneously, other motors do not start corresponding intermediate relay coil and are formed
Any two electric motor startings other motors not starting-up later time；It connects respectively in 4 control cabinet control loops three intermediate relays
The interlocking No starting signal of coil normally-closed contact formation another two motor.
Intermediate relay coil KA1-KA10, wherein KA1-KA4 connects the contactor normally opened contact of four motors respectively, uses
In 4 motor operational feedback signals of reception；In intermediate relay normally opened contact KA1-KA4, KA1 and KA2 and intermediate relay line
Enclose KA5 series connection；KA1 and KA3 connects with intermediate relay coil KA6；KA1 and KA4 connects with intermediate relay coil KA7；
KA2 and KA3 connects with intermediate relay coil KA8；KA2 and KA4 connects with intermediate relay coil KA9；KA3 and KA4 is in
Between relay coil KA10 connect.
Intermediate relay normally-closed contact KA5-KA10, wherein No.1 control cabinet has been connected KA8, KA9, KA10 intermediate relay
Normally-closed contact；No. two control cabinets have been connected KA6, KA7, KA10 intermediate relay normally-closed contact；No. three control cabinets connected KA5,
KA7, KA9 intermediate relay normally-closed contact；No. four control cabinets have been connected KA5, KA6, KA8 intermediate relay normally-closed contact.
Each control cabinet further include: circuit breaker Q F, normally opened button and normally closed button SB, electrothermal relay FR, indicator light H, connect
The front end tentaculum KM, circuit breaker Q F1 is connected with power inleting terminal, and rear end is connected with normally open contactor KM1, gives entire major loop and control
Circuit processed provides power supply；Contactor KM is connected with electrothermal relay FR, protects main circuit, electrothermal relay FR is connected to the motor, to electricity
Machine carries out overload protection；One indicator light H0 of parallel connection is used to indicate power supply status in control circuit, the front end normally closed button SB2 and heat after
Electric appliance FR1 and 3 intermediate relay normally-closed contact KA series connection, rear end series connection SB1 normally opened contact and contactor coil, contactor
One indicator light H1 of KM1 parallel connection is used to indicate motor operating state.
The positive effect of the present invention are as follows: the present invention will be patrolled by four control cabinets of setting between four control cabinets
The relationship of collecting connection controls corresponding motor with control cabinet, and may be implemented to start any two motors, and in addition two motors can not
Starting, prevents operator's maloperation, plays protective effect well to entire circuit system.
Detailed description of the invention:
Fig. 1 is control principle drawing of the present invention；
Fig. 2 is No.1 cabinet control principle drawing；
Fig. 3 is the one of interlocking signal control principle drawing of the present invention；
Fig. 4 is the one of interlocking signal control principle drawing of the present invention；
Fig. 5 is the one of interlocking signal control principle drawing of the present invention.
Specific embodiment:
A specific embodiment of the invention is further illustrated with reference to the accompanying drawing.
The logic mutual for passing through operation feedback and No starting signal in core control circuit referring to attached drawing 1-4, the present invention
What lock was realized: wherein indicator light H0-H1 respectively represents the power supply instruction of each control loop and operation instruction, KM1 are respectively represented respectively
The contactor normally opened contact of a major loop, intermediate relay KA1-KA10 respectively represent No. 1 control cabinet operation, No. 2 control cabinet fortune
Row, No. 3 control cabinet operations, No. 4 control cabinet operations, No. 1 No. 2 control cabinets operation, No. 3 No. 4 control cabinets forbid operation, No. 1 No. 3 controls
Cabinet operation processed, No. 2 No. 4 control cabinets forbid operation, No. 1 No. 4 control cabinets operation, and No. 2 No. 3 control cabinets forbid operation, No. 2 No. 3 controls
Cabinet operation processed, No. 1 No. 4 control cabinets forbid operation, No. 2 No. 4 control cabinets operations, and No. 1 No. 3 control cabinets forbid operation, No. 3 No. 4 controls
Cabinet operation processed, No. 1 No. 2 control cabinets are forbidden running.
By any two electric motor startings in No.1 motor controlling cabinet, other motors do not start corresponding intermediate relay line
Intermediate relay normally opened contact series connection corresponding with two motors arbitrarily started is enclosed, wherein intermediate relay coil KA1-KA10
In, KA1-KA4 connects the contactor normally opened contact of each motor respectively, is realized by the on-off of the normally opened contact of contactor
Intermediate relay coil obtains electric and power loss；The series connection of intermediate relay normally opened contact KA1-KA4 any two contact combination divides again
It does not connect with 6 intermediate relay coils, i.e. KA1 and KA2 connect with intermediate relay coil KA5；KA1 and KA3 and it is intermediate after
Electric apparatus coil KA6 series connection；KA1 and KA4 connects with intermediate relay coil KA7；KA2 and KA3 and intermediate relay coil KA8
Series connection；KA2 and KA4 connects with intermediate relay coil KA9；KA3 and KA4 connects with intermediate relay coil KA10.
No.1 control cabinet, No. two control cabinets, No. three control cabinets, interlocking of having been connected in No. four each control loops of control cabinet respectively
No starting signal, it can realize any two electric motor startings, and other motors do not start.Specific implementation process are as follows: pass through
Intermediate relay normally-closed contact KA5-KA10 is set, and wherein No.1 control cabinet KA8, KA9, KA10 intermediate relay of having connected is normally closed
Contact；No. two control cabinets have been connected KA6, KA7, KA10 intermediate relay normally-closed contact；No. three control cabinets connected KA5, KA7,
KA9 intermediate relay normally-closed contact；No. four control cabinets have been connected KA5, KA6, KA8 intermediate relay normally-closed contact.
When starting No. 1 motor, power on, circuit breaker Q F1 closure, press SB1 start button, KM1 coil obtains electric, master
Circuit and control loop KM1 normally opened contact closure, formation is self-locking, and power supply indicator H0 is bright in control loop, No. 1 contactor coil
KM1 obtains electric, and No. 1 normally open contactor KM1 is attracted self-locking, and No. 1 motor operation indicator light H1 is bright, No. 1 motor operation, at this time No. 1 control
Cabinet processed operation coil KA1 obtains electric, and KA2-KA10 must not electricity；
Restart No. 2 motors, power on, circuit breaker Q F1 closure presses SB1 start button, KM1 coil obtain it is electric, major loop and
Control loop KM1 normally opened contact closure, formation is self-locking, and power supply indicator H0 is bright in control loop, and No. 2 contactor coil KM1 are obtained
Electricity, No. 2 normally open contactor KM1 actuations are self-locking, and No. 2 motor operation indicator light H1 are bright, and No. 2 motor operations simultaneously transport by No. 2 control cabinets
Row intermediate relay coil KA2 obtain it is electric, since KA1 and KA2 normally opened contact connects to form KA5, when KA1 and KA2 obtains electric,
Intermediate relay coil KA5 also it is electric, KA3, KA4, KA6 to KA10 must not electricity.KA5 in 3, No. 4 motor control loops at this time
Normally-closed contact disconnects, therefore No. 3 No. 4 motors can not start.
Similarly, start No. 1, No. 3 motors when, KA1, KA3 obtain it is electric, KA1, KA3 normally opened contact closure, KA6 obtain it is electric, No. 2 No. 4 at this time
KA6 normally-closed contact disconnects in control loop interlocking signal, therefore No. 2 No. 4 motors can not start.When starting No. 1, No. 4 motors,
KA1, KA4 obtain electric, and KA1, KA4 normally opened contact closure, KA7 obtains electric, the normally closed touching of KA7 in No. 2 No. 3 control loop interlocking signals at this time
Point disconnects, therefore No. 2 No. 3 motors can not start.When starting No. 2, No. 3 motors, KA2, KA3 obtain electric, and KA2, KA3 normally opened contact close
It closes, KA8 obtains electric, KA8 normally-closed contact disconnection in No. 1 No. 4 control loop interlocking signals at this time, therefore No. 1 No. 4 motors can not open
It is dynamic.When starting No. 2, No. 4 motors, KA2, KA4 obtain electric, and KA2, KA4 normally opened contact closure, KA9 obtains electric, and No. 1 No. 3 control back at this time
KA9 normally-closed contact disconnects in the interlocking signal of road, therefore No. 1 No. 3 motors can not start.When starting No. 3, No. 4 motors, KA3, KA4
Electric, KA3, KA4 normally opened contact closure, KA10 obtain electric, KA10 normally-closed contact is disconnected in No. 1 No. 2 control loop interlocking signals at this time
It opens, therefore No. 1 No. 2 motors can not start.
Claims (4)
1. a kind of more motor linkage control circuits of hydraulic station, it is characterised in that: the control circuit is controlled by four control cabinet combinations,
In No. 1 control cabinet control loop: the corresponding contactor normally opened contact of four motors is connected with corresponding intermediate relay coil
It is respectively formed the starting run signal of 4 motors；Between the corresponding intermediate relay normally opened contact of two motors arbitrarily started
It is serially connected and any two electric motor starting of connecting simultaneously, other motors do not start corresponding intermediate relay coil shape
At any two electric motor startings other motors not starting-up later time；It connects respectively in 4 control cabinet control loops three intermediate relays
The interlocking No starting signal of device coil normally-closed contact formation another two motor.
2. the more motor linkage control circuits of a kind of hydraulic station according to claim 1, it is characterised in that: intermediate relay line
KA1-KA10 is enclosed, wherein KA1-KA4 connects the contactor normally opened contact of four motors respectively, anti-for receiving 4 motor operations
Feedback signal；In intermediate relay normally opened contact KA1-KA4, KA1 and KA2 connect with intermediate relay coil KA5；KA1 and KA3
It connects with intermediate relay coil KA6；KA1 and KA4 connects with intermediate relay coil KA7；KA2 and KA3 and intermediate relay
Device coil KA8 series connection；KA2 and KA4 connects with intermediate relay coil KA9；KA3 and KA4 and intermediate relay coil KA10
Series connection.
3. the more motor linkage control circuits of a kind of hydraulic station according to claim 1 or 2, it is characterised in that: intermediate relay
Device normally-closed contact KA5-KA10, wherein No.1 control cabinet has been connected KA8, KA9, KA10 intermediate relay normally-closed contact；No. two controls
Cabinet processed has been connected KA6, KA7, KA10 intermediate relay normally-closed contact；No. three control cabinets have been connected relay among KA5, KA7, KA9
Device normally-closed contact；No. four control cabinets have been connected KA5, KA6, KA8 intermediate relay normally-closed contact.
4. the more motor linkage control circuits of a kind of hydraulic station according to claim 1 or 2, it is characterised in that: each control
Cabinet further include: circuit breaker Q F, normally opened button and normally closed button SB, electrothermal relay FR, indicator light H, contactor KM, circuit breaker Q F1
Front end is connected with power inleting terminal, and rear end is connected with normally open contactor KM1, provides power supply to entire major loop and control loop；
Contactor KM is connected with electrothermal relay FR, protects main circuit, and electrothermal relay FR is connected to the motor, and carries out overload protection to motor；
One indicator light H0 of parallel connection is used to indicate in power supply status, the front end normally closed button SB2 and electrothermal relay FR1 and 3 in control circuit
Between relay normally closed contact KA connect, rear end is connected SB1 normally opened contact and contactor coil, a contactor KM1 indicator light in parallel
H1 is used to indicate motor operating state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910624301.4A CN110224638A (en) | 2019-07-11 | 2019-07-11 | A kind of more motor linkage control circuits of hydraulic station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910624301.4A CN110224638A (en) | 2019-07-11 | 2019-07-11 | A kind of more motor linkage control circuits of hydraulic station |
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| Publication Number | Publication Date |
|---|---|
| CN110224638A true CN110224638A (en) | 2019-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910624301.4A Pending CN110224638A (en) | 2019-07-11 | 2019-07-11 | A kind of more motor linkage control circuits of hydraulic station |
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| Country | Link |
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| CN (1) | CN110224638A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217422A (en) * | 2020-11-20 | 2021-01-12 | 中船华南船舶机械有限公司 | Control method of multi-motor electric control system |
| CN115360938A (en) * | 2022-09-02 | 2022-11-18 | 格林美(武汉)城市矿山产业集团有限公司 | Scraped car disassembles and takes out oil extraction control circuit and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1134419A (en) * | 1965-06-29 | 1968-11-20 | Tos Kurim Np | Apparatus for the synchronization of rotational speed |
| CN201846292U (en) * | 2010-09-16 | 2011-05-25 | 济南重工股份有限公司 | Device capable of starting oil pump motors at different times |
| CN205670748U (en) * | 2016-05-26 | 2016-11-02 | 江苏省冶金设计院有限公司 | A kind of 3 with 2 for air-blaster work converting operation switching control |
| CN208094470U (en) * | 2018-05-08 | 2018-11-13 | 河南森源电气股份有限公司 | A kind of motor starting or stopping control circuit |
| CN209860830U (en) * | 2019-07-11 | 2019-12-27 | 中石化四机石油机械有限公司 | Multi-motor linkage control circuit of hydraulic station |
-
2019
- 2019-07-11 CN CN201910624301.4A patent/CN110224638A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1134419A (en) * | 1965-06-29 | 1968-11-20 | Tos Kurim Np | Apparatus for the synchronization of rotational speed |
| CN201846292U (en) * | 2010-09-16 | 2011-05-25 | 济南重工股份有限公司 | Device capable of starting oil pump motors at different times |
| CN205670748U (en) * | 2016-05-26 | 2016-11-02 | 江苏省冶金设计院有限公司 | A kind of 3 with 2 for air-blaster work converting operation switching control |
| CN208094470U (en) * | 2018-05-08 | 2018-11-13 | 河南森源电气股份有限公司 | A kind of motor starting or stopping control circuit |
| CN209860830U (en) * | 2019-07-11 | 2019-12-27 | 中石化四机石油机械有限公司 | Multi-motor linkage control circuit of hydraulic station |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217422A (en) * | 2020-11-20 | 2021-01-12 | 中船华南船舶机械有限公司 | Control method of multi-motor electric control system |
| CN112217422B (en) * | 2020-11-20 | 2022-05-17 | 中船华南船舶机械有限公司 | Control method of multi-motor electric control system |
| CN115360938A (en) * | 2022-09-02 | 2022-11-18 | 格林美(武汉)城市矿山产业集团有限公司 | Scraped car disassembles and takes out oil extraction control circuit and device |
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