CN201886310U - Energy-saving controller of electric shovel - Google Patents
Energy-saving controller of electric shovel Download PDFInfo
- Publication number
- CN201886310U CN201886310U CN2010206420314U CN201020642031U CN201886310U CN 201886310 U CN201886310 U CN 201886310U CN 2010206420314 U CN2010206420314 U CN 2010206420314U CN 201020642031 U CN201020642031 U CN 201020642031U CN 201886310 U CN201886310 U CN 201886310U
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- phase
- voltage
- power factor
- current
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Abstract
The utility model discloses an energy-saving controller of an electric shovel, which comprises a power factor detecting circuit, a current detecting circuit, a voltage detecting circuit, a comprehensive processor, a delay time processing circuit and a relay, wherein the power factor detecting circuit is used for obtaining a power factor detecting signal according to the current and the voltage of a phase A and a phase C; the power factor detecting signal is transmitted to the comprehensive processor; the current detecting circuit is used for respectively detecting the current of the phase A, a phase B and the phase C, comparing with a set value, and outputting a current comparison signal to the comprehensive processor; the voltage detecting circuit is used for respectively detecting the voltage of the phase A, the phase B and the phase C, comparing with a set value, and outputting a voltage comparison signal to the comprehensive processor; the comprehensive processor is used for compositing the power factor detecting signal, the current comparison signal and the voltage comparison signal, and outputting a control signal; and the control signal is processed by the delay time processing circuit by means of time delay and is transmitted to the relay to control the electric shovel to work. The energy-saving controller is simple in structure and good in energy-saving effect.
Description
Technical field
The utility model relates to a kind of energy saver, particularly a kind of power shovel energy-saving control device.
Background technology
Along with increasing of China's vast mine consumer, and cause mains supply ability and power supply quality to descend after the electrical network dilatation, the operational outfit inefficiency, line loss is big, the specific yield big energy-consuming, and influence the safe operation of visual plant.Energy-saving and cost-reducing is the active demand in vast mine, and power shovel is the main current consuming apparatus in mine at present, and the energy consumption that how to improve power shovel is the current technical matters that presses for solution.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of power shovel energy-saving control device of simple in structure, good energy-conserving effect.
The technical scheme that the utility model solves the problems of the technologies described above is: comprise the power factor (PF) testing circuit, current detection circuit, voltage detecting circuit, the overall treatment device, delayed processing circuit, relay, described power factor (PF) testing circuit is according to the A phase, the current/voltage of C phase obtains a power factor (PF) detection signal, the power factor (PF) detection signal is sent to the overall treatment device, current detection circuit detects the A phase respectively, the B phase, the electric current of C phase, and compare with a setting value, the output current comparison signal is delivered to the overall treatment device, voltage detecting circuit detects the A phase respectively, the B phase, the voltage of C phase, and compare with a setting value, the output voltage comparison signal is delivered to the overall treatment device, the overall treatment device is with the power factor (PF) detection signal, the electric current comparison signal, voltage comparison signal carries out comprehensively, export a control signal, control signal is delivered to the work of relay control power shovel after the delayed processing circuit time-delay.
Technique effect of the present utility model is: 1) current/voltage of power factor (PF) detection A phase of the present utility model, C phase obtains a power factor (PF) detection signal, when power factor (PF) is low, efficiency power shovel is low at this moment, energy consumption is big, the overall treatment device outputs a control signal to relay and blocks power supply, prevent the high energy consumption operation, reach purpose of energy saving; 2) when the current value of any phase during greater than setting value, electric current is too big, shows that power shovel inside exists short circuit heating phenomenon, and the overall treatment device outputs a control signal to relay and blocks power supply, reaches energy-conservation purpose; 3) when the magnitude of voltage of any phase is lower than setting value, show that power shovel is in subnormal voltage operation, undercapacity, unit consumption of energy increases greatly, and the overall treatment device outputs a control signal to relay and blocks power supply, reaches energy-conservation purpose.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is a structural drawing of the present utility model.
Embodiment
Referring to Fig. 1, the utility model comprises power factor (PF) testing circuit, current detection circuit, voltage detecting circuit, overall treatment device, delayed processing circuit, relay, described power factor (PF) testing circuit is according to electric current I a, the Ic of A phase, C phase and voltage U a, Uc rated output factor, and exporting a power factor (PF) detection signal Uk1, power factor (PF) detection signal Uk1 is sent to the overall treatment device; Current detection circuit is A phase, B phase, C phase current Ia, Ib, the Ic of detection of grid respectively, and compares with a setting value, and output current comparison signal Uk2 delivers to the overall treatment device; Voltage detecting circuit detects A phase, B phase, voltage U a, the Ub of C phase, Uc respectively, and compares with a setting value, and output voltage comparison signal Uk3 delivers to the overall treatment device; The overall treatment device carries out power factor (PF) detection signal, electric current comparison signal, voltage comparison signal comprehensively to export a control signal Uk4, and control signal Uk4 obtains signal Uk5 after the delayed processing circuit time-delay, and Uk5 delivers to the work of relay control power shovel.When power factor (PF) was low, efficiency power shovel was low at this moment, energy consumption is big, and the overall treatment device outputs a control signal to relay and blocks power supply, prevented the high energy consumption operation, reached purpose of energy saving.When the current value of any phase during greater than setting value, electric current is too big, shows that power shovel inside exists short circuit heating phenomenon, and the overall treatment device outputs a control signal to relay and blocks power supply.When the magnitude of voltage of any phase is lower than setting value, show that power shovel is in subnormal voltage operation, undercapacity, unit consumption of energy increases greatly, and the overall treatment device outputs a control signal to relay and blocks power supply, reaches energy-conservation purpose.
Claims (1)
1. power shovel energy-saving control device, it is characterized in that: comprise the power factor (PF) testing circuit, current detection circuit, voltage detecting circuit, the overall treatment device, delayed processing circuit, relay, described power factor (PF) testing circuit is according to the A phase, the current/voltage of C phase obtains a power factor (PF) detection signal, the power factor (PF) detection signal is sent to the overall treatment device, current detection circuit detects the A phase respectively, the B phase, the electric current of C phase, and compare with a setting value, the output current comparison signal is delivered to the overall treatment device, voltage detecting circuit detects the A phase respectively, the B phase, the voltage of C phase, and compare with a setting value, the output voltage comparison signal is delivered to the overall treatment device, the overall treatment device is with the power factor (PF) detection signal, the electric current comparison signal, voltage comparison signal carries out comprehensively, export a control signal, control signal is delivered to the work of relay control power shovel after the delayed processing circuit time-delay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206420314U CN201886310U (en) | 2010-12-05 | 2010-12-05 | Energy-saving controller of electric shovel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206420314U CN201886310U (en) | 2010-12-05 | 2010-12-05 | Energy-saving controller of electric shovel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201886310U true CN201886310U (en) | 2011-06-29 |
Family
ID=44183858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206420314U Expired - Fee Related CN201886310U (en) | 2010-12-05 | 2010-12-05 | Energy-saving controller of electric shovel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201886310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102880065A (en) * | 2011-07-15 | 2013-01-16 | 哈尼施费格尔技术公司 | Systems and methods for actively biasing a loadpin |
-
2010
- 2010-12-05 CN CN2010206420314U patent/CN201886310U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102880065A (en) * | 2011-07-15 | 2013-01-16 | 哈尼施费格尔技术公司 | Systems and methods for actively biasing a loadpin |
| CN102880065B (en) * | 2011-07-15 | 2016-11-23 | 哈尼施费格尔技术公司 | System and method for offset load pin on one's own initiative |
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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: 20110629 Termination date: 20141205 |
|
| EXPY | Termination of patent right or utility model |