CN202187980U - Servo energy-saving electric hydraulic power system - Google Patents
Servo energy-saving electric hydraulic power system Download PDFInfo
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- CN202187980U CN202187980U CN2011203111510U CN201120311151U CN202187980U CN 202187980 U CN202187980 U CN 202187980U CN 2011203111510 U CN2011203111510 U CN 2011203111510U CN 201120311151 U CN201120311151 U CN 201120311151U CN 202187980 U CN202187980 U CN 202187980U
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- oil pump
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Abstract
The utility model discloses a servo energy-saving electric hydraulic power system which comprises a control unit. The control unit comprises a program-controlled element, an action executing element and an action control element. The program-controlled element is connected with a digital control module; the digital control module is connected with a servo motor driving module; the servo motor driving module is connected with an alternating current permanent magnetic synchronous motor provided with a position sensor; the alternating current permanent magnetic synchronous motor is connected with a quantitive oil pump; and the action control element is connected with the quantitive oil pump through a pressure sensor. By utilizing the properties of high efficiency and high responding speed of a servo motor, the servo energy-saving electric hydraulic power system greatly reduces energy consumption and enhances movement efficiency; being provided with a pressure detecting sensor and a rotating speed detecting sensor, the system can accurately control required pressure and flow rate; and the system has high applicability, and can realize the functions of energy saving, production efficiency enhancing and production accuracy improving after being applied.
Description
Technical field
The utility model relates to a kind of hydraulic power system, the concrete a kind of energy-saving servo electrohydraulic dynamic system that relates to.
Background technique
The hydraulic power system that conventional hydraulic equipment is adopted, general binding through induction asynchronous motor and quantitative oil pump promptly releases pressure and the flow that extra flow is controlled hydraulic pressure with flow overflow mode.So, not only cause the very big waste in cost aspect, and power transmission mode is lower because of the effect of induction asynchronous motor, it is not enough and cause the highly energy-consuming of conventional hydraulic equipment, low precision and poor efficiency that the mode energy consumption of relief valve control hydraulic pressure reaches precision greatly.
The model utility content
For improving the shortcoming of conventional hydraulic power system; The utility model aims to provide a kind of energy-saving servo electrohydraulic dynamic system; This model utility is connected high moment of torsion AC permanent-magnet synchronous servo motor and high pressure quantitative oil pump; The power supply driver of collocation reinforcement power electronics conversion drives actuating motor, and does output control efficiently with high performance numerical digit control module to oil pressure unit action execution required pressure and speed.
For realizing above-mentioned technical purpose; Reach above-mentioned technique effect, the utility model is realized through following technological scheme: a kind of energy-saving servo electrohydraulic dynamic system comprises a control unit; Affiliated control unit is installed on the hydraulic equipment lathe; Said control unit comprises sequence control element, action executive component and action control unit, and said sequence control element connects the numerical digit control module, and it is sent pressure instruction signal and flow instruction signal; Said numerical digit control module connects the driven by servomotor module, and said driven by servomotor module connection one is provided with the AC permanent magnet synchronous motor of position transducer, and it is carried out moment of torsion control and rotating speed control; Said AC permanent magnet synchronous motor connects quantitative oil pump, and said action control unit connects said quantitative oil pump through pressure transducer, and it is carried out pressure output and flow output.
Further, said position transducer and said numerical digit control module electrically connect, and it is carried out the flux signal feedback.
Further, said pressure transducer and said numerical digit control module electrically connect, and it is carried out the pressure signal feedback.
The principle of the utility model is following: energy-saving servo electrohydraulic dynamic system is with AC permanent-magnet synchronous servo motor, high pressure quantitative oil pump, high-performance numerical digit control module, driven by servomotor module, pressure detection sensor, rotating speed detection sensor and link the new hydraulic power transmission system of a cover that component set forms.AC permanent-magnet synchronous servo motor and quantitative oil pump are connected, and form hydraulic equipment and move the output maincenter of required oil mass.
Said AC permanent-magnet synchronous servo motor has the characteristic of high rotating speed, high-effect and high corresponding speed, and according to the demand of hydraulic equipment, adopts the design of high moment of torsion output, can be in response to the output demand of high pressure action.
Said high-performance numerical digit control module; It is the computing center of whole system; Can do high performance vector control, Torque Control and rotating speed control to actuating motor; And have the actuating motor computing of high precision and special application controls computing organically combines on software, and can do perfect formula to the program of distinct device and power demand and write, realize efficiently, perfect control accurately.
Said driven by servomotor module is the high power electronics converting system of strengthening; Moment and rotary speed signal that reception is passed on by the numerical digit module; Actuating motor is done precisely certain motion control; Integrated and the modular design of intelligence, volume is little but possess power transfer efficiently, and is fit to various severe environment applications.
Said pressure detection sensor; It is a device that is installed between oil pump oil outlet to the device motion hydraulic equipment; The hydraulic oil actual pressure of can detecting being exported by actuating motor transmission oil pump converts analog signal to and passes numerical digit module arithmetic center fast back and do the computing of contrast difference.
Said rotating speed detection sensor is installed on actuating motor inside, detects motor movement position amount accurately and is converted into analog signal, passes numerical digit module arithmetic center rapidly back and does the computing of contrast difference.
Compared with prior art, the utlity model has following beneficial effect:
1, the utility model links the hydraulic pressure output maincenter that the high pressure quantitative oil pump is a hydraulic equipment with the AC permanent-magnet synchronous servo motor; Replacing heritage answers asynchronous motor to link quantitative oil pump and the old hydraulic power transmission that generates pressure and speed through inflow-rate of water turbine overflow mode; Utilize the characteristic of the high-effect and high corresponding speed of actuating motor, significantly reduced energy consumption and promoted sport efficiency.
2, pressure detection sensor and rotating speed detection sensor have been installed; The digit arithmetic center is detected and fed back to the pressure of reality output and flow rapidly do the computing of contrast difference; By the numerical digit module difference conversion and control signal is conducted to actuating motor via driver module again and do compensation correction; Form the circuit controls of a closed loop, can do accurate control required pressure and flow.
3, this system suitability is wide, has the hydraulic equipment of pressure conversion and rate conversion all can use such as, can reach energy-conservation after the utilization, promotes manufacturing efficiency and improve the effect of production precision.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding of the utility model, constitutes the application's a part, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 shows the utility model structural principle schematic representation.
Label declaration among the figure: 1, control unit, 2, sequence control element, 3, the action executive component, 4, the action control unit; 5, numerical digit control module, 6, the driven by servomotor module, 7, position transducer; 8, AC permanent magnet synchronous motor, 9, quantitative oil pump, 10, pressure transducer.
Embodiment
Below with reference to accompanying drawing and combine embodiment, specify the utility model.
Referring to shown in Figure 1; A kind of energy-saving servo electrohydraulic dynamic system; Comprise a control unit 1, said control unit 1 is installed on the hydraulic equipment lathe, and said control unit 1 comprises sequence control element 2, action executive component 3 and action control unit 4; Said sequence control element 2 connects numerical digit control module 5, and it is sent pressure instruction signal and flow instruction signal; Said numerical digit control module 5 connects driven by servomotor module 6, and said driven by servomotor module 6 connections one are provided with the AC permanent magnet synchronous motor 8 of position transducer 7, and it is carried out moment of torsion control and rotating speed control; Said AC permanent magnet synchronous motor 8 connects quantitative oil pump 9, and said action control unit 4 connects said quantitative oil pump 9 through pressure transducer 10, and it is carried out pressure output and flow output.
Further, said position transducer 7 is communicated by letter with said numerical digit control module 5, and it is carried out the flux signal feedback.
Further, said pressure transducer 10 is communicated by letter with said numerical digit control module 5 it is carried out the pressure signal feedback.
Claims (3)
1. energy-saving servo electrohydraulic dynamic system; It is characterized in that: comprise a control unit (1); Said control unit (1) comprises sequence control element (2), action executive component (3) and action control unit (4); Said sequence control element (2) connects numerical digit control module (5), and said numerical digit control module (5) connects driven by servomotor module (6), and said driven by servomotor module (6) connection one is provided with the AC permanent magnet synchronous motor (8) of position transducer (7); Said AC permanent magnet synchronous motor (8) connects quantitative oil pump (9), and said action control unit (4) connects said quantitative oil pump (9) through pressure transducer (10).
2. energy-saving servo electrohydraulic dynamic according to claim 1 system is characterized in that: said position transducer (7) electrically connects with said numerical digit control module (5).
3. energy-saving servo electrohydraulic dynamic according to claim 1 system is characterized in that: said pressure transducer (10) electrically connects with said numerical digit control module (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203111510U CN202187980U (en) | 2011-08-25 | 2011-08-25 | Servo energy-saving electric hydraulic power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203111510U CN202187980U (en) | 2011-08-25 | 2011-08-25 | Servo energy-saving electric hydraulic power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202187980U true CN202187980U (en) | 2012-04-11 |
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ID=45919433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203111510U Expired - Fee Related CN202187980U (en) | 2011-08-25 | 2011-08-25 | Servo energy-saving electric hydraulic power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202187980U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954068A (en) * | 2011-08-25 | 2013-03-06 | 苏州晟世能源管理有限公司 | Servo energy-saving electro-hydraulic power system |
| CN103920862A (en) * | 2014-04-30 | 2014-07-16 | 重庆立致和节能科技有限公司 | Die-casting machine asynchronous servo energy-saving control method and system |
-
2011
- 2011-08-25 CN CN2011203111510U patent/CN202187980U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954068A (en) * | 2011-08-25 | 2013-03-06 | 苏州晟世能源管理有限公司 | Servo energy-saving electro-hydraulic power system |
| CN103920862A (en) * | 2014-04-30 | 2014-07-16 | 重庆立致和节能科技有限公司 | Die-casting machine asynchronous servo energy-saving control method and system |
| CN103920862B (en) * | 2014-04-30 | 2016-03-09 | 重庆立致和节能科技有限公司 | The asynchronous energy-saving servo control method of die casting machine and control system thereof |
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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: 20120411 Termination date: 20160825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |