CN109525147A - A kind of energy saving cabinet two-shipper control circuit - Google Patents
A kind of energy saving cabinet two-shipper control circuit Download PDFInfo
- Publication number
- CN109525147A CN109525147A CN201811289424.9A CN201811289424A CN109525147A CN 109525147 A CN109525147 A CN 109525147A CN 201811289424 A CN201811289424 A CN 201811289424A CN 109525147 A CN109525147 A CN 109525147A
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- China
- Prior art keywords
- switch
- cabinet
- control
- motor
- circuit
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- 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.)
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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
- H02P5/74—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more ac dynamo-electric motors
-
- 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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/60—Controlling or determining the temperature of the motor or of the drive
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
A kind of energy saving cabinet two-shipper control circuit provided by the invention；Including PLC, frequency converter, circuit for controlling motor, motor protective circuit, braking circuit.The present invention by frequency converter, PLC, man-machine interface mutually communicates and control algolithm, operating parameter and parameter setting are shown using the calculating of transducer drive, PLC logic control and data, man-machine interface, meet requirement of the equipment in safety, reliability and intelligence.By man-machine interface real-time monitoring, modification equipment operating parameter, the data and record of equipment operation and historical failure are transferred.Remote configuration real time monitoring, including working voltage, electric current, power, position, revolving speed, function figure, pulling force, theoretical liquid outlet quantity are carried out to equipment, on-line monitoring and control is carried out by host computer configuration.
Description
Technical field
The present invention relates to a kind of energy saving cabinet two-shipper control circuits.
Background technique
The driving control system that existing lifting mechanism uses passes through braking resistor mainly in the electric energy that generating state generates with heat
Can form consumption or power grid is fed back to by energy feedback unit, when operation, produces electricl energy all wastes or feedback to power grid
To electric network pollution.
The characteristics of control system is: the control system uses the control mode of open loop, and a driver drives two electricity
Machine operation.When equipment is run, an equipment motoring condition is driven, an equipment generating state, wherein the equipment of generating state is sent out
Electric energy out directly feeds another equipment, and power grid is fed when another equipment that the electric energy of sending is insufficient is run；The electric energy of sending
When excessive, in the case where meeting another equipment normal operation, extra electric energy is fallen by resistance consumption.By configuration to setting
Standby operating status real time monitoring.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of energy saving cabinet two-shipper control circuits.
The present invention is achieved by the following technical programs.
A kind of energy saving cabinet two-shipper control circuit provided by the invention；Including PLC, frequency converter, circuit for controlling motor, motor
Protect circuit, braking circuit.
The power input of the frequency converter is connect with three phase mains, and the power output end of frequency converter connects two motors,
The signal input part of frequency converter is connect with 100.00~100.07 terminal of the signal output end of PLC respectively, PLC 0.00~
0.07,0.09~0.11 terminal is separately connected change-over switch SA1-1, change-over switch SA1-2, button switch SB2, button switch
SB3, travel switch SQ5, travel switch SQ6, travel switch SQ7, travel switch SQ8, button switch SB4, emergency stop switch SB1-
1, temperature switch, 0.08 terminal of PLC is connected with the sub- Y1 of inverter output terminal.
Change-over switch SA1-1, the change-over switch SA1-2 switching control state of connecing for automatic or manual, open by the button
Close SB2, button switch SB3 controls starting or stoping automatically for motor, manual upstream or downstream, travel switch SQ5, stroke respectively
Switch SQ6, travel switch SQ7, travel switch SQ8 are used to control the commutation of motor.
H1, the H2 such as signal designation, which are also parallel with, on the change-over switch SA1-1, change-over switch SA1-2 shows current control
Molding formula.
The motor braking circuits include brake, brake be two respectively with rectifier MDQ1 and rectifier MDQ2
After connection and connect the primary side into transformer T2, the two-phase connection in the primary side and three phase mains of transformer.
The motor protective circuit includes the motor radiating fan C1 and motor radiating fan connecting respectively with three phase mains route
C2。
The circuit for controlling motor includes controlling driving frequency converter and motor M1 and M2 respectively by contactor KM5 and KM6
Connection；Contactor KM1/KM2 controls the brake of two equipment respectively, and KM3/KM4 controls the fan Hot-air fan of two motors；And
It is connected with temperature controller control in-cabinet temperature, when in-cabinet temperature is lower than zero degree, heater work, when in-cabinet temperature is higher than 30 degree, in cabinet
Radiator fan start to work, the KM1 in brake control circuit connects the normally-closed contact of emergency stop switch with KM2 control coil,
In the case where needing emergency shutdown, electrical delay can be reduced, is braked in time.
The beneficial effects of the present invention are: it is mutually communicated by frequency converter, PLC, man-machine interface and control algolithm, using change
The driving of frequency device, PLC logic control and data calculate, man-machine interface shows operating parameter and parameter setting, meet equipment in safety
Requirement in property, reliability and intelligence.By man-machine interface real-time monitoring, modification equipment operating parameter, equipment runs and goes through
The data and record of history failure are transferred.Remote configuration real time monitoring, including working voltage, electric current, power, position are carried out to equipment
It sets, revolving speed, function figure, pulling force, theoretical liquid outlet quantity, on-line monitoring and control is carried out by host computer configuration.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is PLC wiring schematic diagram of the invention；
Specific embodiment
Be described further below technical solution of the present invention, but claimed range be not limited to it is described.
A kind of energy saving cabinet two-shipper control circuit；Including PLC, frequency converter, circuit for controlling motor, motor protective circuit, system
Dynamic circuit.
The power input of the frequency converter is connect with three phase mains, and the power output end of frequency converter connects two motors,
The signal input part of frequency converter is connect with 100.00~100.07 terminal of the signal output end of PLC respectively, PLC 0.00~
0.07,0.09~0.11 terminal is separately connected change-over switch SA1-1, change-over switch SA1-2, button switch SB2, button switch
SB3, travel switch SQ5, travel switch SQ6, travel switch SQ7, travel switch SQ8, button switch SB4, emergency stop switch SB1-
1, temperature switch, 0.08 terminal of PLC is connected with the sub- Y1 of inverter output terminal.
Change-over switch SA1-1, the change-over switch SA1-2 switching control state of connecing for automatic or manual, open by the button
Close SB2, button switch SB3 controls starting or stoping automatically for motor, manual upstream or downstream, travel switch SQ5, stroke respectively
Switch SQ6, travel switch SQ7, travel switch SQ8 are used to control the commutation of motor.
H1, the H2 such as signal designation, which are also parallel with, on the change-over switch SA1-1, change-over switch SA1-2 shows current control
Molding formula.
The motor braking circuits include brake, and brake is two and connects respectively with rectifier MDQ1 and rectifier MDQ2
It connects rear and connects the primary side into transformer T2, the two-phase connection in the primary side and three phase mains of transformer.
The motor protective circuit includes the motor radiating fan C1 and motor radiating fan connecting respectively with three phase mains route
C2。
The circuit for controlling motor includes controlling driving frequency converter and motor M1 and M2 respectively by contactor KM5 and KM6
Connection；Contactor KM1/KM2 controls the brake of two equipment respectively, and KM3/KM4 controls the fan Hot-air fan of two motors；And
It is connected with temperature controller control in-cabinet temperature, when in-cabinet temperature is lower than zero degree, heater work, when in-cabinet temperature is higher than 30 degree, in cabinet
Radiator fan start to work, the KM1 in brake control circuit connects the normally-closed contact of emergency stop switch with KM2 control coil,
In the case where needing emergency shutdown, electrical delay can be reduced, is braked in time.
The actual conditions in the equipment combination oil field, are mutually communicated and control algolithm by frequency converter, PLC, man-machine interface, are compiled
Write operation drive control program.In the case where meeting equipment service requirement, while troubleshooting prompt facility is expanded, and pass through
Man-machine interface real-time monitoring, modification equipment operating parameter, the operation of control equipment and historical failure record are transferred.It is set by RTU
It is standby that remote real-time monitoring is carried out to equipment comprising working voltage, electric current, power, position, revolving speed, pulling force, theoretical liquid outlet quantity,
And on-line monitoring and control, the function figure of display equipment operation are carried out by host computer configuration.
The working principle of energy-saving cabinet two-computer control system: the system uses the control mode of V/F open loop, drives two
The forward and reverse operation of equipment, calculating running position and running position close to switch and correct using rotary transformer and outside；Setting
The operation stroke range (lower-limit point and upper change point) of equipment, the relative motion in upper change point and lower limit point range of two equipment, one
After platform equipment runs to position, wait another equipment run to location point, then simultaneously inverted running, it is ensured that in operational process
The electric energy that middle major part stroke or whole stroke motors issue supplies an other motor and uses.System timely and effectively collects,
Processing, analysis operation data, to make corresponding control.
The equipment can also separate unit operation, according to scene operation needs, when wherein one do not need operation when, can individually select
Select an equipment for needing to run.
Claims (7)
1. a kind of energy saving cabinet two-shipper control circuit, it is characterised in that: protected including PLC, frequency converter, circuit for controlling motor, motor
Protection circuit, braking circuit.
2. one cabinet two-shipper control circuit of energy conservation as described in claim 1, it is characterised in that: the power input of the frequency converter
Connect with three phase mains, the power output end of frequency converter connects two motors, the signal input part of frequency converter respectively with the letter of PLC
The connection of number 100.00~100.07 terminal of output end, 0.00~0.07,0.09~0.11 terminal of PLC are separately connected change-over switch
SA1-1, change-over switch SA1-2, button switch SB2, button switch SB3, travel switch SQ5, travel switch SQ6, travel switch
SQ7, travel switch SQ8, button switch SB4, emergency stop switch SB1-1, temperature switch, 0.08 terminal and frequency converter of PLC exports
Terminal Y1 is connected.
3. one cabinet two-shipper control circuit of energy conservation as claimed in claim 2, it is characterised in that: described to meet change-over switch SA1-1, turn
Changing switch SA1-2 switching control state is automatic or manual, and the button switch SB2, button switch SB3 control motor respectively
Automatically it starts or stops, manual upstream or downstream, travel switch SQ5, travel switch SQ6, travel switch SQ7, travel switch SQ8
For controlling the commutation of motor.
4. one cabinet two-shipper control circuit of energy conservation as described in claim 1, it is characterised in that: the change-over switch SA1-1, conversion
It is also parallel with H1, the H2 such as signal designation on switch SA1-2 and shows current control model.
5. one cabinet two-shipper control circuit of energy conservation as described in claim 1, it is characterised in that: the motor braking circuits include system
Dynamic device, brake be two connect respectively with rectifier MDQ1 and rectifier MDQ2 after and connect the primary side into transformer T2,
Two-phase connection in the primary side and three phase mains of transformer.
6. one cabinet two-shipper control circuit of energy conservation as described in claim 1, it is characterised in that: the motor protective circuit includes point
The motor radiating fan C1 and motor radiating fan C2 not connect with three phase mains route.
7. one cabinet two-shipper control circuit of energy conservation as described in claim 1, it is characterised in that: the circuit for controlling motor includes logical
Cross the connection that contactor KM5 and KM6 control driving frequency converter and motor M1 and M2 respectively；Contactor KM1/KM2 controls two respectively
The brake of platform equipment, KM3/KM4 control the fan Hot-air fan of two motors；And it is connected with temperature controller control in-cabinet temperature, when in cabinet
Temperature is lower than zero degree, and heater work, when in-cabinet temperature is higher than 30 degree, the radiator fan in cabinet is started to work, brake control
Connect with the KM2 control coil normally-closed contact of emergency stop switch of KM1 in circuit can subtract in the case where needing emergency shutdown
Few electrical delay, is braked in time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811289424.9A CN109525147A (en) | 2018-10-31 | 2018-10-31 | A kind of energy saving cabinet two-shipper control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811289424.9A CN109525147A (en) | 2018-10-31 | 2018-10-31 | A kind of energy saving cabinet two-shipper control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109525147A true CN109525147A (en) | 2019-03-26 |
Family
ID=65773062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811289424.9A Pending CN109525147A (en) | 2018-10-31 | 2018-10-31 | A kind of energy saving cabinet two-shipper control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109525147A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2838143Y (en) * | 2005-04-05 | 2006-11-15 | 北京天科伟业环境科技有限公司 | The automatic control equipment of whole bi-motor |
| CN201038816Y (en) * | 2007-01-26 | 2008-03-19 | 镇江市佳禾电力科技有限公司 | Pumping unit dual-machine towed feed type energy-saving device |
| CN203299651U (en) * | 2013-06-18 | 2013-11-20 | 北京农业智能装备技术研究中心 | Walking feeding controller |
| CN104320040A (en) * | 2014-11-10 | 2015-01-28 | 吐鲁番地区万隆电气有限公司 | Triangular starting and star-shaped operation energy-saving control cabinet for pumping unit and control method thereof |
-
2018
- 2018-10-31 CN CN201811289424.9A patent/CN109525147A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2838143Y (en) * | 2005-04-05 | 2006-11-15 | 北京天科伟业环境科技有限公司 | The automatic control equipment of whole bi-motor |
| CN201038816Y (en) * | 2007-01-26 | 2008-03-19 | 镇江市佳禾电力科技有限公司 | Pumping unit dual-machine towed feed type energy-saving device |
| CN203299651U (en) * | 2013-06-18 | 2013-11-20 | 北京农业智能装备技术研究中心 | Walking feeding controller |
| CN104320040A (en) * | 2014-11-10 | 2015-01-28 | 吐鲁番地区万隆电气有限公司 | Triangular starting and star-shaped operation energy-saving control cabinet for pumping unit and control method thereof |
Non-Patent Citations (4)
| Title |
|---|
| 刘一山 等: "丛式井组抽油机公共直流母线技术的应用探讨", 《石油天然气学报》 * |
| 张艳丽: "长冲程直线抽油机节能控制系统研制开发", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
| 李浩光 等: "基于风网互补风电优先的共直流母线抽油机群控系统的研究", 《电气应用》 * |
| 胡秋琦: "水平井长冲程抽油机变频控制系统的研究", 《中国优秀博硕士学位论文全文数据库（硕士） 工程科技II辑》 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190326 |
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| RJ01 | Rejection of invention patent application after publication |