CN203859709U - Energy-saving soft-start control cabinet for DC motor - Google Patents
Energy-saving soft-start control cabinet for DC motor Download PDFInfo
- Publication number
- CN203859709U CN203859709U CN201420208120.6U CN201420208120U CN203859709U CN 203859709 U CN203859709 U CN 203859709U CN 201420208120 U CN201420208120 U CN 201420208120U CN 203859709 U CN203859709 U CN 203859709U
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- transmitter
- energy
- cabinet
- indicator light
- isolating switch
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Abstract
The utility model discloses an energy-saving soft-start control cabinet for a DC motor. The energy-saving soft-start control cabinet mainly comprises a cabinet body, an operation panel unit arranged on a cabinet front door, a core controller, a programmable controller PLC, radiating fins, an inductor, a filtering capacitor, an isolating switch, a transmitter, a shunt and a wiring terminal. The operation panel unit is respectively connected with the core controller and the programmable controller PLC; the core controller is electrically connected with the radiating fins; the radiating fins are electrically connected with the isolating switch; the isolating switch is electrically connected with the wiring terminal; one end of the inductor is connected with the radiating fins, and the other end is connected with the transmitter; one end of the filtering capacitor is connected with the radiating fins and the isolating switch, and the other end is connected with the inductor and the transmitter; the transducer is connected with the shunt; the shunt is connected with the wiring terminal; and the programmable controller PLC is respectively connected with the isolating switch and the wiring terminal. The energy-saving soft-start control cabinet has the advantages of high anti-interference capability, higher control logic flexibility, high expansibility and simple maintenance.
Description
Technical field
The utility model relates to control of soft cabinet, is specifically related to the energy-conservation control of soft cabinet of a kind of direct current machine.
Background technology
At present, lubricated (sealing) Oil pump electrical machinery starting device of traditional generator direct current is that D.C. contactor adds convert resistance start mode, in the armature circuit of direct current machine, seal in high-power resistance exactly, in the time of electric motor starting, limit the starting current of direct current machine by the step-down of high-power resistance, when electric current or motor speed reach the certain percentage of load current value, then by D.C. contactor by resistance bypass.The advantage that starts in this way DC motor is: power and control loop are simple, and cost cost is lower; But its shortcoming is obvious: 1, the starting current of motor can only be down to 3 times of left and right of rated current when resistance step-down current limit starting motor; directly cause the voltage instantaneous of DC power-supply system to reduce; consume energy larger; even can have influence on the normal work of relaying protection; 2, D.C. contactor is through normal contact adhesion and the carbonization phenomenon of occurring after repeatedly using, and what affect contactor is useful life.
Summary of the invention
The utility model, for the problems referred to above, provides a kind of direct current machine energy-conservation control of soft cabinet.
The technical scheme in the invention for solving the above technical problem is: the energy-conservation control of soft cabinet of a kind of direct current machine, mainly comprises: cabinet, the operation panel unit that is positioned at cabinet Qianmen, core controller, Programmable Logic Controller PLC, fin, inductance, filter capacitor, isolating switch, transmitter, shunt and binding post; Described operation panel unit connects respectively core controller and Programmable Logic Controller PLC; Described core controller is electrically connected fin; Described fin is electrically connected isolating switch; Described isolating switch is electrically connected binding post; Described inductance one end connects fin, and the other end connects transmitter; Described filter capacitor one end connects fin and isolating switch, and the other end connects inductance and transmitter; Described transmitter connects shunt; Described shunt connects binding post; Described Programmable Logic Controller PLC connects respectively isolating switch and binding post.
Further, described core controller comprises controller power source and controller; Described controller power source connects controller.
Further, described transmitter comprises feedback transmitter and monitors transmitter; Described feedback transmitter connection monitoring transmitter.
Further, described operation panel unit is provided with voltmeter, ammeter, man-machine interface demonstration, operation push-button, buzzer, run indicator, stops indicator light, error protection indicator light, starts indicator light, stops indicator light, suddenly stops indicator light and soft behaviour/on the spot/chain change over switch.
Further, described startup indicator light is red color LED light bright in the time starting.
Further, described in, stopping indicator light is green color LED light bright in the time stopping.
Further, to stop indicator light be in anxious bright yellow color LED light of stopping time to described urgency.
Advantage of the present utility model:
The utility model adopts the control of direct current machine energy-saving soft start, and it is strong that one or two distribution techniques time are separated antijamming capability, and control logic flexibility is higher, autgmentability is strong, safeguards simply, reduces costs, intelligent degree is high, has the features such as major loop machinery-free contact and energy-saving and frequency-variable economize on electricity property are strong simultaneously.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.
Fig. 1 is the structured flowchart of the utility model embodiment;
Fig. 2 is the core controller structured flowchart of the utility model embodiment;
Fig. 3 is the structure of transmitter block diagram of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
With reference to figure 1, as shown in Figure 1, the energy-conservation control of soft cabinet of a kind of direct current machine, mainly comprises: cabinet, the operation panel unit that is positioned at cabinet Qianmen, core controller, Programmable Logic Controller PLC, fin, inductance, filter capacitor, isolating switch, transmitter, shunt and binding post; Described operation panel unit connects respectively core controller and Programmable Logic Controller PLC; Described core controller is electrically connected fin; Described fin is electrically connected isolating switch; Described isolating switch is electrically connected binding post; Described inductance one end connects fin, and the other end connects transmitter; Described filter capacitor one end connects fin and isolating switch, and the other end connects inductance and transmitter; Described transmitter connects shunt; Described shunt connects binding post; Described Programmable Logic Controller PLC connects respectively isolating switch and binding post.
With reference to figure 2, as shown in Figure 2, described core controller comprises controller power source and controller; Described controller power source connects controller.
With reference to figure 3, as shown in Figure 3, described transmitter comprises feedback transmitter and monitors transmitter; Described feedback transmitter connection monitoring transmitter.
Described operation panel unit is provided with voltmeter, ammeter, man-machine interface demonstration, operation push-button, buzzer, run indicator, stops indicator light, error protection indicator light, starts indicator light, stops indicator light, suddenly stops indicator light and soft behaviour/on the spot/chain change over switch.
Described startup indicator light is red color LED light bright in the time starting.
The described indicator light that stops is green color LED light bright in the time stopping.
It is in anxious bright yellow color LED light of stopping time that described urgency is stopped indicator light.
The key technical indexes of the utility model embodiment:
Operating voltage DC220V
Intelligent monitoring, starting current is limited in 1.3 times of rated current.
Integrate the kinds of protect such as overheated, the overcurrent, overload, short circuit of DC motor.
The Chinese Man-machine Interface of hommization.
Complete Chinese fault message shows and storage.
Fault self-diagnosis.
Multi-signal output (without source contact, RS485,4-20mA).
DC bus starts and stops voltage ripple maximum 20V
Under room temperature, move 2 hours, the temperature rise of controller fin is less than 25 degree Celsius
The running status control of the utility model embodiment:
Power-on self-test: when 220V DC power supply is provided to control cubicle, and the air switch closing in rack, system will be carried out process of self-test one time.Self-inspection is by after completing, and system is in holding state.
Holding state: will be in holding state after System self-test completes, wait for the startup control operation of master-control room (or local).
Start and control:
DCS controls: send instruction by host computer and realize on off control
Female management and control system: system, conventionally in holding state, starts operation automatically when low oil pressure
Thermal technology controls: the control of thermal technology's control desk realizes on off control
Control on the spot: can be by manual operation change over switch control start and stop in this locality
Shut down and control: press stop button, device progressively slows down, and device recovers halted state after 2-3 second; Send two groups of signals simultaneously, one group of control panel green light, another group is delivered to master-control room and is monitored; After the time delay several seconds, excitation disconnects, and motor is out of service.
Suddenly stop to control: by scram button (emergency button), soft behaviour, on the spot or under female pipe, the arbitrary state of thermal technology, in the time there is accident under device busy state, can press at the scene scram button arresting stop and work.
Overcurrent protection: when overcurrent condition appears in system; amber light is bright on the spot; buzzer call; the current-limiting function of control board is limited to electric current constant simultaneously; avoid system to suffer heavy losses; now inductor can be owing to sending electrical noise by switching pulse electric current, 120% left and right that overcurrent condition protection set point is rated current.
The energy-conservation control of soft cabinet of direct current machine of the present utility model is the reserve arrangement starting in the time that generating set breaks down, based on modern power electronics technology, the continuous speed regulation system that adopts PWM control technology to form, when start and stop to direct current system without impact; The use of interphase reactor and capacitor, makes electric current output steadily; The use of capacitive direct current inlet highway, suppresses high frequency overshoot pulse, and controller adopts plug-in structure, is convenient to installation and repairing, and overcurrent protection makes output current be limited in safe operation set point, same to alarm.
The utility model adopts the control of direct current machine energy-saving soft start, and it is strong that one or two distribution techniques time are separated antijamming capability, and control logic flexibility is higher, autgmentability is strong, safeguards simply, reduces costs, intelligent degree is high, has the features such as major loop machinery-free contact and energy-saving and frequency-variable economize on electricity property are strong simultaneously.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (7)
1. the energy-conservation control of soft cabinet of direct current machine, it is characterized in that, mainly comprise: cabinet, the operation panel unit that is positioned at cabinet Qianmen, core controller, Programmable Logic Controller PLC, fin, inductance, filter capacitor, isolating switch, transmitter, shunt and binding post; Described operation panel unit connects respectively core controller and Programmable Logic Controller PLC; Described core controller is electrically connected fin; Described fin is electrically connected isolating switch; Described isolating switch is electrically connected binding post; Described inductance one end connects fin, and the other end connects transmitter; Described filter capacitor one end connects fin and isolating switch, and the other end connects inductance and transmitter; Described transmitter connects shunt; Described shunt connects binding post; Described Programmable Logic Controller PLC connects respectively isolating switch and binding post.
2. the energy-conservation control of soft cabinet of direct current machine according to claim 1, is characterized in that, described core controller comprises controller power source and controller; Described controller power source connects controller.
3. the energy-conservation control of soft cabinet of direct current machine according to claim 1, is characterized in that, described transmitter comprises feedback transmitter and monitors transmitter; Described feedback transmitter connection monitoring transmitter.
4. the energy-conservation control of soft cabinet of direct current machine according to claim 1; it is characterized in that, described operation panel unit is provided with voltmeter, ammeter, man-machine interface demonstration, operation push-button, buzzer, run indicator, stops indicator light, error protection indicator light, starts indicator light, stops indicator light, suddenly stops indicator light and soft behaviour/on the spot/chain change over switch.
5. the energy-conservation control of soft cabinet of direct current machine according to claim 4, is characterized in that, described startup indicator light is red color LED light bright in the time starting.
6. the energy-conservation control of soft cabinet of direct current machine according to claim 4, is characterized in that, described in to stop indicator light be green color LED light bright in the time stopping.
7. the energy-conservation control of soft cabinet of direct current machine according to claim 4, is characterized in that, it is in anxious bright yellow color LED light of stopping time that described urgency is stopped indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208120.6U CN203859709U (en) | 2014-04-26 | 2014-04-26 | Energy-saving soft-start control cabinet for DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208120.6U CN203859709U (en) | 2014-04-26 | 2014-04-26 | Energy-saving soft-start control cabinet for DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203859709U true CN203859709U (en) | 2014-10-01 |
Family
ID=51609555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420208120.6U Expired - Fee Related CN203859709U (en) | 2014-04-26 | 2014-04-26 | Energy-saving soft-start control cabinet for DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203859709U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655899A (en) * | 2016-09-21 | 2017-05-10 | 河北华北柴油机有限责任公司 | Starter motor current limiting starter and control method thereof |
| CN106712585A (en) * | 2015-11-17 | 2017-05-24 | 宁夏琪凯节能设备有限公司 | Energy-saving soft starting control cabinet |
-
2014
- 2014-04-26 CN CN201420208120.6U patent/CN203859709U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712585A (en) * | 2015-11-17 | 2017-05-24 | 宁夏琪凯节能设备有限公司 | Energy-saving soft starting control cabinet |
| CN106655899A (en) * | 2016-09-21 | 2017-05-10 | 河北华北柴油机有限责任公司 | Starter motor current limiting starter and control method thereof |
| CN106655899B (en) * | 2016-09-21 | 2019-09-03 | 河北华北柴油机有限责任公司 | Start motor current-limiting starter and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20150426 |
|
| EXPY | Termination of patent right or utility model |