CN208040791U - Hydraulic servo energy conserving system - Google Patents
Hydraulic servo energy conserving system Download PDFInfo
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- CN208040791U CN208040791U CN201820321919.4U CN201820321919U CN208040791U CN 208040791 U CN208040791 U CN 208040791U CN 201820321919 U CN201820321919 U CN 201820321919U CN 208040791 U CN208040791 U CN 208040791U
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- servo motor
- control valve
- hydraulic
- energy conserving
- valve
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Abstract
The utility model discloses a kind of hydraulic servo energy conserving system, including an actuator, and the actuator is connected to a control valve, the control valve is connected with a driving unit, the driving unit is connected with a control unit, wherein, the driving unit has a pumping, and the pumping is connected with a servo motor, the servo motor is connected with a speed probe, and described control unit is then connected to the driver of the speed probe and the servo motor with a controller and one, whereby, the driver is allowed to can pass through the load condition that the servo motor size of current obtains system, and according to the rotating speed of servo motor described in the load condition adjust automatically, to penetrate homemade control theory, reach more reliable motor control and the consume of energy can be greatly reduced, to reach energy-efficient purpose.
Description
Technical field
The utility model is related to technical field of hydraulic pressure, particularly relate to a kind of hydraulic servo energy conserving system.
Background technology
Hydraulic pressure system is extensive because having many advantages, such as that small, big, reverse operating of contributing is easy and durability is high
Be applied to it is miscellaneous mechanically, a kind of known hydraulic system, mainly have a hydraulic cylinder, and the hydraulic cylinder connect
There are a directional control valve, the directional control valve to be connected with a relief valve, the relief valve is connected with flow control valve, described
Flow control valve is connected with an electric pumping, and the electric pumping is connected with a fuel tank, whereby, when user starts the hydraulic pressure system
Afterwards, the hydraulic oil in the fuel tank will be drawn into the control valve by the electric pumping, and through the valve of the control valve
The hydraulic oil is further delivered to the hydraulic cylinder by control, to push the hydraulic cylinder to start start.
Due to the known hydraulic pressure system electric pumping upon actuation, will be operated with constant rotating speed, therefore be
Prevent excessive oil pressure from the damage of pipeline and equipment, the known hydraulic pressure system being caused to must be transmitted through the flow control valve to control
The flow for making the hydraulic oil allows extra hydraulic oil to flow back to the fuel tank via the relief valve, however such design but can
The known hydraulic pressure system is allowed whether can be all always maintained at full-speed operation in high load or low-load, not only very energy consumption and not
Environmental protection, and because hydraulic oil cycle constantly in the hydraulic pressure is united, is easier to cause the oil temperature of the hydraulic oil to increase, and
It must be cooled down using cooling equipment, undoubtedly cause additional energy waste.
Therefore, it is necessary to design a kind of new hydraulic servo energy conserving system, to solve the above technical problems.
Utility model content
The problem of for background technology, the purpose of this utility model are to provide a kind of hydraulic servo energy conserving system,
Reach more reliable motor control and the consume of energy can be greatly reduced, to reach energy-efficient purpose.
What the technical solution of the utility model was realized in：A kind of hydraulic servo energy conserving system, including an actuator；One
Control valve is connected to the actuator；One fuel tank is connected to the control valve, and is equipped with hydraulic oil in the fuel tank；
One driving unit has a pumping being connected between the control valve and the fuel tank, and the pumping is connected with a servo
Motor, for the hydraulic oil in the fuel tank is delivered to the control valve, then the valve control of the transmission control valve is delivered to institute
State actuator；One speed probe is connected to the servo motor, for sensing the rotating speed of the servo motor；One control
Unit has a controller and a driver, and the controller controls the output current of the driver, and the driving
Device is then connected with the speed probe and the servo motor, receives the rotating speed that the speed probe is sensed, right
The rotating speed of the servo motor is adjusted.
In the above-mentioned technical solutions, the hydraulic servo energy conserving system further includes a relief valve, and the pressure release
Valve is connected between the control valve and the servo motor.
In the above-mentioned technical solutions, the hydraulic servo energy conserving system includes a pressure sensor, is set to described
Between control valve and the servo motor, for sensing the oil pressure of the hydraulic oil.
In the above-mentioned technical solutions, described control unit has further included a control panel, and the control panel is connected to
The controller.
In the above-mentioned technical solutions, the actuator can be the one of which or its group of a hydraulic cylinder and a servo motor
It closes.
In the above-mentioned technical solutions, the control valve can be the one of which or combinations thereof of a direction valve and a flow valve.
The utility model hydraulic servo energy conserving system, including an actuator；And a control valve, it is connected to the actuating
Device；And a fuel tank, it is connected to the control valve, and hydraulic oil is equipped in the fuel tank；And a driving unit, tool
There is a pumping being connected between the control valve and the fuel tank, and the pumping is connected with a servo motor, for will be described
Hydraulic oil in fuel tank is delivered to the control valve, then is delivered to the actuator through the valve control of the control valve；And one
Speed probe is connected to the servo motor, for sensing the rotating speed of the servo motor；An also control unit,
With a controller and a driver, and the exportable signal of the controller controls the output current of the driver, and described
Driver is then connected with the speed probe and the servo motor, is sensed for the reception speed probe
Rotating speed, and be adjusted after voluntarily contrast judgement, then to the rotating speed of the servo motor.
Description of the drawings
Fig. 1 is the system connection diagram of the utility model preferred embodiment.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of hydraulic servo energy conserving system 100 described in the utility model, including：One actuator 10,
Can be the one of which or combinations thereof of a hydraulic cylinder and a servo motor, in this present embodiment, the actuator 10 is a hydraulic pressure
Cylinder.
One control valve 20, is connected to the actuator 10, and can be a direction valve and a flow valve one of which or
A combination thereof, in this present embodiment, the control valve 20 are a direction valve.
One fuel tank 30 is connected to the control valve 20, and is equipped with hydraulic oil in the fuel tank 30.
One driving unit 40, the pumping 41, Yi Jiyi being connected to one between the control valve 20 and the fuel tank 30
It is connected to the servo motor 42 of the pumping 41, and the servo motor 42 can drive the pumping 41 will be in the fuel tank 30
Hydraulic oil is drawn into the control valve 20, then is delivered to the actuator 10 through the valve control of the control valve 20.
One speed probe 50.
One control unit 60 has a controller 61 and a driver 62, and the controller 61 can provide a setting
Signal give the driver 62, and the driver 62 then with 42 phase of the speed probe 50 and the servo motor
Connection, and the rotating speed that the speed probe 50 is sensed is can receive, after voluntarily contrast judgement, then to the servo motor 42
Rotating speed be adjusted, in this present embodiment, the controller 61 be a PID controller (proportional integral
Derivative controller), while the controller 61 is more connected with a control panel 63, for allowing user monitoring liquid
Press the state of energy-saving servo system 100, and adjustment parameters.
One relief valve 70, is connected between the control valve 20 and the servo motor 42, is available in the oil pressure of hydraulic oil
When excessive, extra hydraulic oil is guided into back the fuel tank 30, more may include there is a pressure maintaining valve person.
One pressure sensor 80, is connected between the control valve 20 and the servo motor 42, for sensing the liquid
The oil pressure of pressure oil, in this present embodiment, the pressure sensor 80 are further connected to the control panel 63, for by institute
It states oil pressure and is shown in the control panel 63, in order to which user is monitored.
After user starts hydraulic servo energy conserving system 100, the controller 61 will provide for a signal to described
Driver 62 makes servo motor 42 described in a 62 exportable constant current driven of the driver start running, and allows the servo
Motor 42 drives the pumping 41 that the hydraulic oil in the fuel tank 30 is drawn into the control valve 20, then penetrates the control valve
The hydraulic oil is delivered to the actuator 10 by 20 valve control, to push the actuator 10 to start start, while described turn
Fast sensor 50 will start to sense the rotating speed of the servo motor 42, and the tachometer value sensed is supplied to the driving
Device 62, at this time because the electric current of the driver 62 is definite value, when the load of the actuated piece 10 is larger, the servo
The rotating speed of motor 42 will reduce, and when the load of the actuated piece 10 is smaller, the rotating speed of the servo motor 42 can then carry
Rise, whereby, allow the driver 62 can according to the tachometer value come judge system load condition, and automatically with set by user
Parameter judgement is compared, then the rotating speed of the servo motor 42 is adjusted, simultaneously as the servo motor 42 by
The driver 62 acts on and continuous running, so excessive hydraulic oil but will be discharged by the relief valve 70, it so can be steady
The output of the fixed hydraulic oil, can not only be greatly reduced the consume of energy, to reach energy-efficient purpose, and can promote the running of system
Efficiency, to reduce the oil temperature of hydraulic oil, so as to reduce the dependence to cooling system, further to increase energy-efficient effect.
The controller of the hydraulic servo energy conserving system of the utility model, described control unit can be provided described in signal control
The output size of driver current, and the driver of described control unit then can pass through the load that the speed probe obtains system
State, and according to the rotating speed of servo motor described in the load condition adjust automatically, whereby, not only can stabilizing solution pressure oil output,
The consume of energy is greatly reduced, reach energy-efficient purpose, and the operational paradigm of system can be promoted, to reduce the oil temperature of hydraulic oil,
So as to reduce the dependence to cooling system, further to increase energy-efficient effect.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
The spirit of utility model is interior with principle, and any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain it is interior.
Claims (6)
1. a kind of hydraulic servo energy conserving system, it is characterised in that：Including an actuator；One control valve is connected to the actuating
Device；One fuel tank is connected to the control valve, and is equipped with hydraulic oil in the fuel tank；One driving unit has a connection
Pumping between the control valve and the fuel tank, and the pumping is connected with a servo motor, for will be in the fuel tank
Hydraulic oil is delivered to the control valve, then is delivered to the actuator through the valve control of the control valve；One speed probe,
It is connected to the servo motor, for sensing the rotating speed of the servo motor；One control unit has a controller and a drive
Dynamic device, and the controller controls the output current of the driver, and the driver then with the speed probe and
The servo motor is connected, and receives the rotating speed that the speed probe is sensed, is adjusted to the rotating speed of the servo motor
It is whole.
2. hydraulic servo energy conserving system according to claim 1, it is characterised in that：The hydraulic servo energy conserving system is into one
Step includes a relief valve, and the relief valve is connected between the control valve and the servo motor.
3. hydraulic servo energy conserving system according to claim 1, it is characterised in that：The hydraulic servo energy conserving system includes
There is a pressure sensor, be set between the control valve and the servo motor, for sensing the oil pressure of the hydraulic oil.
4. hydraulic servo energy conserving system according to claim 1, it is characterised in that：Described control unit has further included a control
Panel processed, and the control panel is connected to the controller.
5. hydraulic servo energy conserving system according to claim 1, it is characterised in that：The actuator can be a hydraulic cylinder and
The one of which or combinations thereof of one servo motor.
6. hydraulic servo energy conserving system according to claim 1, it is characterised in that：The control valve can be a direction valve and
The one of which or combinations thereof of one flow valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820321919.4U CN208040791U (en) | 2018-03-08 | 2018-03-08 | Hydraulic servo energy conserving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820321919.4U CN208040791U (en) | 2018-03-08 | 2018-03-08 | Hydraulic servo energy conserving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208040791U true CN208040791U (en) | 2018-11-02 |
Family
ID=63951000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820321919.4U Active CN208040791U (en) | 2018-03-08 | 2018-03-08 | Hydraulic servo energy conserving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208040791U (en) |
-
2018
- 2018-03-08 CN CN201820321919.4U patent/CN208040791U/en active Active
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