CN105071740A - Energy-saving circuit based on condition judgment - Google Patents
Energy-saving circuit based on condition judgment Download PDFInfo
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- CN105071740A CN105071740A CN201510549329.8A CN201510549329A CN105071740A CN 105071740 A CN105071740 A CN 105071740A CN 201510549329 A CN201510549329 A CN 201510549329A CN 105071740 A CN105071740 A CN 105071740A
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Abstract
An energy-saving circuit based on a condition judgment includes a major loop module, an energy-saving control module and a condition judgment module. The major loop module includes a starting button SB1, a stop button SB2, a main breaker QF, a main contactor KM1, a normally open contact of a delta connection starting contactor KM2, a normally open contact of a star connection starting contactor KM3. The energy-saving control module includes a time relay KT, a normally closed contact of the delta connection starting contactor KM2, a normally closed contact of the star connection starting contactor KM3, and a normally open contact and a normally closed contact of an energy-saving relay KA1. The condition judgment module includes an energy-saving relay KA1 and a condition judgment device, and the energy-saving relay KA1 and the condition judgment device are connected in series. Through the energy-saving circuit, a machine can run in a voltage reducing condition when in a standby state, the running current is reduced, and the purpose of energy consumption is achieved.
Description
Technical field
The present invention relates to a kind of energy-saving circuit based on condition judgment.
Background technology
Due to industrialized development, use electric power more and more wider as the equipment range of application of the energy, number of devices also gets more and more, and brings the increase day by day of energy cost.The user of user's such as machine tool of equipment finds, the power consumption of its process equipment is continuing to increase, but a lot of energy resource consumption is not occur in the operating time of equipment, continues energy resource consumption occurs in a large amount of stand-by times yet.On the whole, energy-output ratio roughly can be assigned to each process time section and equipment stand-by time in, current most of machine tool is in a undesirable power consumption load range at standby interval drive unit, and some equipment runs particularly long-time dry running holding state will at loss electric energy virtually.How more effectively the standby empty loss of control appliance, reduce energy resource consumption, improves energy use efficiency and become problem in the urgent need to address at present.
Summary of the invention
In view of above situation, in order to solve above-mentioned technology Problems existing, the present invention proposes a kind of energy-saving circuit based on condition judgment, comprise main loop module, energy-saving control module and condition judgment module, described main loop module provides power supply to the equipment by control circui, described energy-saving control module controls main loop module and runs under normal mode of operation or energy saver mode, described condition judgment module triggers the running of energy-saving control module when meeting and imposing a condition, described condition judgment module comprises energy-saving relay KA1 and condition judgement device, energy-saving relay KA1 and condition judgement device are connected in series.
A kind of based in the energy-saving circuit of condition judgment according to the embodiment of the present invention, preferably, described main loop module comprises start button SB1, stop button SB2, main circuit breaker QF, main contactor KM1, delta connection starting contactor KM2 normally opened contact, star connection starting contactor KM3 normally opened contact.
A kind of based in the energy-saving circuit of condition judgment according to the embodiment of the present invention, preferably, described energy-saving control module comprises time relay KT, delta connection starting contactor KM2 normally-closed contact, star connection starting contactor KM3 normally-closed contact, the normally opened contact of energy-saving relay KA1 and normally-closed contact, normally-closed contact and the delta connection starting contactor KM2 normally-closed contact of described time relay KT are connected in series, normally opened contact and the star connection starting contactor KM3 normally-closed contact of described time relay KT are connected in series, normally opened contact and the delta connection starting contactor KM2 normally-closed contact of described energy-saving relay KA1 are connected in series, normally-closed contact and the star connection starting contactor KM3 normally-closed contact of described energy-saving relay KA1 are connected in series.
A kind of based in the energy-saving circuit of condition judgment according to the embodiment of the present invention, preferably, described condition judgement device is position induction device.
A kind of based in the energy-saving circuit of condition judgment according to the embodiment of the present invention, preferably, described position induction device is spacing inductive switch SQ1, and limit induction switch S Q1 is normally open, switches to closure state and connect energy-saving relay KA1 after receiving location sensitive signal.
A kind of based in the energy-saving circuit of condition judgment according to the embodiment of the present invention, alternatively, described condition judgement device is dry running sensing device.Described dry running sensing device is infrared facility, disconnects energy-saving relay KA1 when infra-red detection is in running status to equipment, connects energy-saving relay KA1 when the equipment of detecting is in holding state.
A kind of based in the energy-saving circuit of condition judgment according to the embodiment of the present invention, alternatively, described condition judgement device is active signal judgment means.
A kind of based in the energy-saving circuit of condition judgment according to the embodiment of the present invention, alternatively, described active signal judgment means is manual control button SB3, and manual switching connects energy-saving relay KA1 to during closure state.
After the technology proposed taking the present invention, according to a kind of energy-saving circuit based on condition judgment of the embodiment of the present invention, when equipment normally works, motor is carried out triangle and is controlled, after equipment machines, recognize equipment by condition judgement device and will be in holding state, now energy-saving relay KA1 obtains electric, and connect star connection starting contactor KM3 and obtain electric, make motor switch to star-star connection state by delta connection state, and run under star state, brownout operation when realizing standby thus, reduce revolution electric current, reach the object reducing energy consumption.
When equipment again enters and normally works, recognize equipment by running order, now energy-saving relay KA1 power-off by condition judgement device, delta connection starting contactor KM2 connects, and motor again enters triangle running status and starts normal work.Realize thus when based on condition judgment, when equipment can be made to be in normal operating conditions, obtain enough power, energy resource consumption can be reduced when equipment is in holding state again, reach energy-conservation object.
Accompanying drawing explanation
Fig. 1 shows a kind of according to an embodiment of the invention energy-saving circuit based on condition judgment
Fig. 2 shows a kind of in accordance with another embodiment of the present invention energy-saving circuit based on condition judgment
Fig. 3 shows a kind of energy-saving circuit based on condition judgment according to another embodiment of the present invention
Description of reference numerals
QF main circuit breaker
SB1 start button
SB2 stop button
KM1 main contactor
KM2 delta connection starting contactor
KM3 star connection starting contactor
The KT time relay
KA1 energy-saving relay
SQ1 limit induction switch
21 infrared facilities
SB3 manual control button
Embodiment
Below with reference to accompanying drawings of the present invention each is preferred embodiment described.There is provided the description referring to accompanying drawing, to help the understanding to the example embodiment of the present invention limited by claim and equivalent thereof.It comprises the various details helping to understand, but they can only be counted as exemplary.Therefore, those skilled in the art will recognize that, can make various changes and modifications execution mode described herein, and do not depart from the scope of the present invention and spirit.And, in order to make specification clearly succinct, will the detailed description to well known function and structure be omitted.
Embodiment 1
As the energy-saving circuit according to an embodiment of the invention based on condition judgment, comprise main loop module, energy-saving control module and condition judgment module, described main loop module provides power supply to the equipment by control circui, described energy-saving control module controls main loop module and runs under normal mode of operation or energy saver mode, described condition judgment module triggers the running of energy-saving control module when meeting and imposing a condition, described condition judgment module comprises energy-saving relay KA1 and condition judgement device, and energy-saving relay KA1 and condition judgement device are connected in series.
As the energy-saving circuit according to an embodiment of the invention based on condition judgment, described main loop module comprises start button SB1, stop button SB2, main circuit breaker QF, main contactor KM1, delta connection starting contactor KM2 normally opened contact, star connection starting contactor KM3 normally opened contact.
As the energy-saving circuit according to an embodiment of the invention based on condition judgment, described energy-saving control module comprises time relay KT, delta connection starting contactor KM2 normally-closed contact, star connection starting contactor KM3 normally-closed contact, the normally opened contact of energy-saving relay KA1 and normally-closed contact, normally-closed contact and the delta connection starting contactor KM2 normally-closed contact of described time relay KT are connected in series, normally opened contact and the star connection starting contactor KM3 normally-closed contact of described time relay KT are connected in series, normally opened contact and the delta connection starting contactor KM2 normally-closed contact of described energy-saving relay KA1 are connected in series, normally-closed contact and the star connection starting contactor KM3 normally-closed contact of described energy-saving relay KA1 are connected in series.
As the energy-saving circuit according to an embodiment of the invention based on condition judgment, described condition judgement device is position induction device, described position induction device is spacing inductive switch SQ1, limit induction switch S Q1 is normally open, switches to closure state and connect energy-saving relay KA1 after receiving location sensitive signal.
As a kind of according to an embodiment of the invention energy-saving circuit based on condition judgment, close during startup main circuit breaker QF, presses start button SB1, and star connection starting contactor KM3 obtains electric, and motor starts running by Y-connection mode.
After motor entry into service, along with the work of time relay KT, after the relay time arrival of setting, star connection starting contactor KM3 coil disconnects, and delta connection starting contactor KM2 coil obtains electric, and motor enters normal operating condition by triangle connected mode.
Delta connection starting contactor KM2 and star connection starting contactor KM3 arranges interlocking, avoid contactor misoperation, when delta connection starting contactor KM2 closes, star connection starting contactor KM3 disconnects, when star connection starting contactor KM3 closes, delta connection starting contactor KM2 disconnects.When pressing stop button SB2, the tripping of whole contactor coil dead electricity, equipment shuts down.
After equipment machines, mechanical structure rollback is to limit point, and control loop detects induced signal, the equipment of recognizing will be in holding state, energy-saving relay KA1 obtains electric, and energy-saving relay KA1 normally-closed contact disconnects, and the delta connection starting contactor KM2 dead electricity of series connection with it is disconnected; The adhesive of energy-saving relay KA1 normally opened contact, the star connection starting contactor KM3 of series connection with it is obtained electric closed, motor is converted to Y-connection mode by the operation of triangle connected mode and runs.
Under ideal case, motor runs in Y-connection mode always, and system is in power save mode until get back to normal process process.When equipment again enters and normally works, recognize equipment by running order, now energy-saving relay KA1 power-off by condition judgement device, delta connection starting contactor KM2 connects, and motor again enters triangle running status and starts normal work.
According to the energy-saving circuit based on condition judgment of the invention described above embodiment, when equipment normally works, motor is carried out triangle and is controlled, after equipment machines, recognize equipment by condition judgement device and will be in holding state, now energy-saving relay KA1 obtains electric, and connect star connection starting contactor KM3 and obtain electric, motor is made to switch to star-star connection state by delta connection state, and run under star state, brownout operation when realizing standby thus, reduces revolution electric current, reaches the object reducing energy consumption.
When equipment again enters and normally works, recognize equipment by running order, now energy-saving relay KA1 power-off by condition judgement device, delta connection starting contactor KM2 connects, and motor again enters triangle running status and starts normal work.Realize thus when based on condition judgment, when equipment can be made to be in normal operating conditions, obtain enough power, energy resource consumption can be reduced when equipment is in holding state again, reach energy-conservation object.
Embodiment 2
As the energy-saving circuit in accordance with another embodiment of the present invention based on condition judgment, comprise main loop module, energy-saving control module and condition judgment module, described main loop module provides power supply to the equipment by control circui, described energy-saving control module controls main loop module and runs under normal mode of operation or energy saver mode, described condition judgment module triggers the running of energy-saving control module when meeting and imposing a condition, described condition judgment module comprises energy-saving relay KA1 and condition judgement device, and energy-saving relay KA1 and condition judgement device are connected in series.
As the energy-saving circuit in accordance with another embodiment of the present invention based on condition judgment, described main loop module comprises start button SB1, stop button SB2, main circuit breaker QF, main contactor KM1, delta connection starting contactor KM2 normally opened contact, star connection starting contactor KM3 normally opened contact.
As the energy-saving circuit in accordance with another embodiment of the present invention based on condition judgment, described energy-saving control module comprises time relay KT, delta connection starting contactor KM2 normally-closed contact, star connection starting contactor KM3 normally-closed contact, the normally opened contact of energy-saving relay KA1 and normally-closed contact, normally-closed contact and the delta connection starting contactor KM2 normally-closed contact of described time relay KT are connected in series, normally opened contact and the star connection starting contactor KM3 normally-closed contact of described time relay KT are connected in series, normally opened contact and the delta connection starting contactor KM2 normally-closed contact of described energy-saving relay KA1 are connected in series, normally-closed contact and the star connection starting contactor KM3 normally-closed contact of described energy-saving relay KA1 are connected in series.
As the energy-saving circuit in accordance with another embodiment of the present invention based on condition judgment, described condition judgement device is infrared facility 21, disconnect energy-saving relay KA1 when infra-red detection is in running status to equipment, when the equipment of detecting is in holding state, connect energy-saving relay KA1.
As a kind of in accordance with another embodiment of the present invention energy-saving circuit based on condition judgment, close during startup main circuit breaker QF, presses start button SB1, and star connection starting contactor KM3 obtains electric, and motor starts running by Y-connection mode.
After motor entry into service, along with the work of time relay KT, after the relay time arrival of setting, star connection starting contactor KM3 coil disconnects, and delta connection starting contactor KM2 coil obtains electric, and motor enters normal operating condition by triangle connected mode.
Delta connection starting contactor KM2 and star connection starting contactor KM3 arranges interlocking, avoid contactor misoperation, when delta connection starting contactor KM2 closes, star connection starting contactor KM3 disconnects, when star connection starting contactor KM3 closes, delta connection starting contactor KM2 disconnects.When pressing stop button SB2, the tripping of whole contactor coil dead electricity, equipment shuts down.
After equipment machines, mechanical structure rollback is to limit point, control loop detects infrared induction signal, the equipment of recognizing will be in holding state, energy-saving relay KA1 obtains electric, energy-saving relay KA1 normally-closed contact disconnects, and the delta connection starting contactor KM2 dead electricity of series connection with it is disconnected; The adhesive of energy-saving relay KA1 normally opened contact, the star connection starting contactor KM3 of series connection with it is obtained electric closed, motor is converted to Y-connection mode by the operation of triangle connected mode and runs.
Under ideal case, motor runs in Y-connection mode always, and system is in power save mode until get back to normal process process.When equipment again enters and normally works, recognize equipment by running order, now energy-saving relay KA1 power-off by condition judgement device, delta connection starting contactor KM2 connects, and motor again enters triangle running status and starts normal work.
According to the energy-saving circuit based on condition judgment of another embodiment of the invention described above, when equipment normally works, motor is carried out triangle and is controlled, after equipment machines, recognize equipment by condition judgement device and will be in holding state, now energy-saving relay KA1 obtains electric, and connect star connection starting contactor KM3 and obtain electric, motor is made to switch to star-star connection state by delta connection state, and run under star state, brownout operation when realizing standby thus, reduces revolution electric current, reaches the object reducing energy consumption.
When equipment again enters and normally works, recognize equipment by running order, now energy-saving relay KA1 power-off by condition judgement device, delta connection starting contactor KM2 connects, and motor again enters triangle running status and starts normal work.Realize thus when based on condition judgment, when equipment can be made to be in normal operating conditions, obtain enough power, energy resource consumption can be reduced when equipment is in holding state again, reach energy-conservation object.
Embodiment 3
As the energy-saving circuit based on condition judgment according to another embodiment of the present invention, comprise main loop module, energy-saving control module and condition judgment module, , described main loop module provides power supply to the equipment by control circui, described energy-saving control module controls main loop module and runs under normal mode of operation or energy saver mode, described condition judgment module triggers the running of energy-saving control module when meeting and imposing a condition, described condition judgment module comprises energy-saving relay KA1 and condition judgement device, energy-saving relay KA1 and condition judgement device are connected in series.
As the energy-saving circuit based on condition judgment according to another embodiment of the present invention, described main loop module comprises start button SB1, stop button SB2, main circuit breaker QF, main contactor KM1, delta connection starting contactor KM2 normally opened contact, star connection starting contactor KM3 normally opened contact.
As the energy-saving circuit based on condition judgment according to another embodiment of the present invention, described energy-saving control module comprises time relay KT, delta connection starting contactor KM2 normally-closed contact, star connection starting contactor KM3 normally-closed contact, the normally opened contact of energy-saving relay KA1 and normally-closed contact, normally-closed contact and the delta connection starting contactor KM2 normally-closed contact of described time relay KT are connected in series, normally opened contact and the star connection starting contactor KM3 normally-closed contact of described time relay KT are connected in series, normally opened contact and the delta connection starting contactor KM2 normally-closed contact of described energy-saving relay KA1 are connected in series, normally-closed contact and the star connection starting contactor KM3 normally-closed contact of described energy-saving relay KA1 are connected in series.
As the energy-saving circuit based on condition judgment according to another embodiment of the present invention, described condition judgement device is for being manual control button SB3, and manual switching connects energy-saving relay KA1 to during closure state.
As a kind of energy-saving circuit based on condition judgment according to another embodiment of the present invention, close during startup main circuit breaker QF, presses start button SB1, and star connection starting contactor KM3 obtains electric, and motor starts running by Y-connection mode.
After motor entry into service, along with the work of time relay KT, after the relay time arrival of setting, star connection starting contactor KM3 coil disconnects, and delta connection starting contactor KM2 coil obtains electric, and motor enters normal operating condition by triangle connected mode.
Delta connection starting contactor KM2 and star connection starting contactor KM3 arranges interlocking, avoid contactor misoperation, when delta connection starting contactor KM2 closes, star connection starting contactor KM3 disconnects, when star connection starting contactor KM3 closes, delta connection starting contactor KM2 disconnects.When pressing stop button SB2, the tripping of whole contactor coil dead electricity, equipment shuts down.
After equipment machines, mechanical structure rollback, to limit point, manually presses control button, and energy-saving relay KA1 obtains electric, and energy-saving relay KA1 normally-closed contact disconnects, and the delta connection starting contactor KM2 dead electricity of series connection with it is disconnected; The adhesive of energy-saving relay KA1 normally opened contact, the star connection starting contactor KM3 of series connection with it is obtained electric closed, motor is converted to Y-connection mode by the operation of triangle connected mode and runs.
Under ideal case, motor runs in Y-connection mode always, and system is in power save mode until get back to normal process process.When equipment again enters and normally works, recognize equipment by running order, now energy-saving relay KA1 power-off by condition judgement device, delta connection starting contactor KM2 connects, and motor again enters triangle running status and starts normal work.
According to the energy-saving circuit based on condition judgment of another embodiment of the invention described above, when equipment normally works, motor is carried out triangle and is controlled, after equipment machines, recognize equipment by condition judgement device and will be in holding state, now energy-saving relay KA1 obtains electric, and connect star connection starting contactor KM3 and obtain electric, motor is made to switch to star-star connection state by delta connection state, and run under star state, brownout operation when realizing standby thus, reduces revolution electric current, reaches the object reducing energy consumption.
When equipment again enters and normally works, recognize equipment by running order, now energy-saving relay KA1 power-off by condition judgement device, delta connection starting contactor KM2 connects, and motor again enters triangle running status and starts normal work.Realize thus when based on condition judgment, when equipment can be made to be in normal operating conditions, obtain enough power, energy resource consumption can be reduced when equipment is in holding state again, reach energy-conservation object.
Above to invention has been detailed introduction, applying specific case herein and setting forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can implement.Certainly, above listed situation is only example, and the present invention is not limited to this.It should be appreciated by those skilled in the art, according to other distortion or the simplification of technical solution of the present invention, suitably can be applied to the present invention, and should comprise within the scope of the invention.
Claims (9)
1. based on an energy-saving circuit for condition judgment, comprising: main loop module, energy-saving control module and condition judgment module; Described main loop module provides power supply to the equipment by control circui, described energy-saving control module controls main loop module and runs under normal mode of operation or energy saver mode, described condition judgment module triggers the running of energy-saving control module when meeting and imposing a condition, condition judgment module comprises energy-saving relay KA1 and condition judgement device, and energy-saving relay KA1 and condition judgement device are connected in series.
2. a kind of energy-saving circuit based on condition judgment according to claim 1, it is characterized in that, described main loop module comprises start button SB1, stop button SB2, main circuit breaker QF, main contactor KM1, delta connection starting contactor KM2 normally opened contact, star connection starting contactor KM3 normally opened contact.
3. a kind of energy-saving circuit based on condition judgment according to claim 1, it is characterized in that, described energy-saving control module comprises time relay KT, delta connection starting contactor KM2 normally-closed contact, star connection starting contactor KM3 normally-closed contact, the normally opened contact of energy-saving relay KA1 and normally-closed contact, normally-closed contact and the delta connection starting contactor KM2 normally-closed contact of described time relay KT are connected in series, normally opened contact and the star connection starting contactor KM3 normally-closed contact of described time relay KT are connected in series, normally opened contact and the delta connection starting contactor KM2 normally-closed contact of described energy-saving relay KA1 are connected in series, normally-closed contact and the star connection starting contactor KM3 normally-closed contact of described energy-saving relay KA1 are connected in series.
4. a kind of energy-saving circuit based on condition judgment according to claim 1, is characterized in that, described condition judgement device is position induction device.
5. a kind of energy-saving circuit based on condition judgment according to claim 4, it is characterized in that, described position induction device is spacing inductive switch SQ1, and limit induction switch S Q1 is normally open, switches to closure state and connect energy-saving relay KA1 after receiving location sensitive signal.
6. a kind of energy-saving circuit based on condition judgment according to claim 1, is characterized in that, described condition judgement device is dry running sensing device.
7. a kind of energy-saving circuit based on condition judgment according to claim 6, it is characterized in that, described dry running sensing device is infrared facility, disconnect energy-saving relay KA1 when infra-red detection is in running status to equipment, when the equipment of detecting is in holding state, connect energy-saving relay KA1.
8. a kind of energy-saving circuit based on condition judgment according to claim 1, is characterized in that, described condition judgement device is active signal judgment means.
9. a kind of energy-saving circuit based on condition judgment according to claim 8, is characterized in that, described active signal judgment means is manual control button SB3, and manual switching connects energy-saving relay KA1 to during closure state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510549329.8A CN105071740A (en) | 2015-09-01 | 2015-09-01 | Energy-saving circuit based on condition judgment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510549329.8A CN105071740A (en) | 2015-09-01 | 2015-09-01 | Energy-saving circuit based on condition judgment |
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| CN105071740A true CN105071740A (en) | 2015-11-18 |
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| CN201510549329.8A Pending CN105071740A (en) | 2015-09-01 | 2015-09-01 | Energy-saving circuit based on condition judgment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111555663A (en) * | 2020-05-25 | 2020-08-18 | 天津索龙电子科技有限公司 | Motor starting and stopping system and method based on micro-motor action |
| CN112242800A (en) * | 2020-11-20 | 2021-01-19 | 中船华南船舶机械有限公司 | Multi-motor electric control system |
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| CN112242800A (en) * | 2020-11-20 | 2021-01-19 | 中船华南船舶机械有限公司 | Multi-motor electric control system |
| CN112242800B (en) * | 2020-11-20 | 2022-05-17 | 中船华南船舶机械有限公司 | Multi-motor electric control system |
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Effective date of registration: 20160201 Address after: 312500, No. 29, persimmon Road, Xinchang Industrial Park, Xinchang County, Zhejiang, Shaoxing Applicant after: ZHEJIANG TUOMAN ZHIZAO TECHNOLOGY CO., LTD. Address before: 312580 No. 29 persimmon Road, Xinchang Industrial Park, Zhejiang, Shaoxing Applicant before: Zhejiang Toman Precision Machinery Co., Ltd. |
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Application publication date: 20151118 |