CN106884834A - Hydraulic system energy-recuperation system and method - Google Patents
Hydraulic system energy-recuperation system and method Download PDFInfo
- Publication number
- CN106884834A CN106884834A CN201710294999.9A CN201710294999A CN106884834A CN 106884834 A CN106884834 A CN 106884834A CN 201710294999 A CN201710294999 A CN 201710294999A CN 106884834 A CN106884834 A CN 106884834A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- detection apparatus
- quantity detection
- electric quantity
- energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/14—Energy-recuperation means
Abstract
The present invention provides a kind of hydraulic system energy-recuperation system, it includes hydraulic test unit and energy recovery unit, hydraulic test unit includes supply unit, hydraulic pump, controller, testing stand and separator, and energy recovery unit includes motor switch, hydraulic motor, generator, power dispenser, battery, the first electric quantity detection apparatus and the second electric quantity detection apparatus.Hydraulic motor is used to for the pressure energy of hydraulic system to be converted to kinetic energy, and generator is used to for the kinetic energy of hydraulic motor to be converted to electric energy, and preferentially by electric energy for the supply unit charges, when supply unit is full of, power dispenser charges power dispenser for battery.The present invention is on the basis of original hydraulic test unit is not changed, for warm before hydraulic system use, increase energy recovery unit, alternate test platform is used as preheating load unit, the unloaded energy of testing stand is converted into electric energy, savings to get up used for laboratory's emergency set or illumination.
Description
Technical field
The present invention relates to hydraulic system field, more particularly to a kind of hydraulic system energy-recuperation system and method.
Background technology
In the engineer applied of hydraulic test, in order to allow hydraulic test to obtain good motion state, typically in equipment just
Often before application, equipment is first allowed first to carry out no-load running, referred to as system warm-up, when hydraulic system temperature reaches proper temperature,
Carry out the application of hydraulic test again, so not only protection equipment, and loading effect more preferably, accuracy of detection it is higher.
System warm-up process, equipment is different, and its preheating time length is also different.For example, the liquid for 600L, 3000psi
Potential source, using MAST hydraulic vibration gens, 0.5 hour general preheating time, hydraulic pressure preheating temperature is needed to 35 DEG C, it is assumed that hydraulic power source
Open two hydraulic pumps, two hydraulic pressure pump power 90kw, then warm need 45 degree of consumption electric.Due to being preheated in hydraulic system
During, equipment is in no-load running, is not loaded and detection project, except causing that hydraulic system temperature is raised, other energy
Amount will be lost in the form of equipment operation, cause the loss of energy.
The content of the invention
In order to overcome the defect of prior art, the present invention to provide a kind of hydraulic system energy-recuperation system and method, its
Energy recovery unit can be set in hydraulic system warm, the energy that energy recovery unit provides hydraulic pump passes through
Conversion, becomes electric energy, stores in battery.
What the present invention was realized in：The present invention provides a kind of hydraulic system energy-recuperation system, and it includes that hydraulic pressure is tried
Verification certificate unit, the hydraulic test unit includes supply unit, hydraulic pump, controller, testing stand and separator, and hydraulic system is used
Energy-recuperation system also includes energy recovery unit,
The energy recovery unit includes motor switch, hydraulic motor, generator, power dispenser, battery, the first electricity
Amount detecting device and the second electric quantity detection apparatus,
The supply unit is used to be that the testing stand and controller are powered that the output end connection of the controller to be described
The input of separator is controlled with the oil circuit branch to separator, and the output end of the hydraulic pump connects the separator
Input, the hydraulic pump is used to for hydraulic oil to be supplied to separator, and the output end of the separator connects the experiment respectively
The input of the input of platform and the motor switch, the separator is used to open hydraulic oil supplied to testing stand and motor
Close, the motor switch is used to be turned on and off the hydraulic motor, and the output shaft of the hydraulic motor connects the generator
Input shaft, the hydraulic motor is used to for the pressure energy of hydraulic system to be converted to kinetic energy, and the generator is used for hydraulic pressure horse
The kinetic energy for reaching is converted to electric energy, and the output end of the generator is connected with the power dispenser, the power dispenser and institute
State and be provided with first circuit between supply unit, second electricity is provided between the power dispenser and the battery
Road, the battery is connected with the first electric quantity detection apparatus for detecting its electricity, and the supply unit is connected with for examining
The second electric quantity detection apparatus of its electricity are surveyed,
The output end of the output end of first electric quantity detection apparatus and second electric quantity detection apparatus is connected respectively
The input of the controller, the output end of the controller connects the input of the motor switch and power dispenser respectively
End；
Filled less than the first power threshold and/or the second electric power detection when the first electric quantity detection apparatus detect accumulator electric-quantity
Put when detecting the supply unit electricity less than the second power threshold, the first electric quantity detection apparatus send first low to controller
Level signal and/or the second electric quantity detection apparatus send the second low level signal to controller, and controller is to receive first low
Open signal is sent to motor switch after level signal and/or the second low level signal, motor switch receives described unlatching to be believed
The hydraulic motor is opened after number, hydraulic motor connects electrical power generators, and
Controller controls power dispenser connection first after receiving the second low level signal of the second electric quantity detection apparatus
Branch circuit simultaneously disconnects second circuit for supply unit is charged, until the high level for receiving the second electric quantity detection apparatus is believed
Number, controller controls power dispenser to disconnect first circuit and connects second circuit for battery charges.
Preferably, when the first electric quantity detection apparatus detect accumulator electric-quantity higher than the first power threshold and the inspection of the second electricity
When surveying device and detecting supply unit electricity higher than the second power threshold, the first electric quantity detection apparatus and the second electric quantity detection apparatus
High level signal is sent to controller, controller is receiving the height of the first electric quantity detection apparatus and the second electric quantity detection apparatus
Shutdown signal is sent to motor switch after level signal, motor switch closes the hydraulic motor after receiving the shutdown signal
Hydraulic test unit and energy recovery unit to cut off.
Preferably, first shaft coupling is provided with the output shaft of the hydraulic motor, is set on the input shaft of the generator
Second shaft coupling is equipped with, the first shaft coupling is connected with the second shaft coupling by pin.
Preferably, the motor switch is digital control hydraulic valve.
Preferably, the generator is direct current generator or alternating current generator, the parameter of the generator and the hydraulic motor
Match parameters.
Preferably, the output end connection external electric equipment of the battery.
Preferably, a kind of energy reclaiming method of hydraulic system, it is comprised the following steps：
S1, the first electric quantity detection apparatus detect the electricity of battery, and the second electric quantity detection apparatus detect the electricity of supply unit
Amount；
S2, examined less than the first power threshold and/or the second electricity when the first electric quantity detection apparatus detect accumulator electric-quantity
When survey device detects supply unit electricity less than power threshold, the first electric quantity detection apparatus send the first low level to controller
Signal and/or the second electric quantity detection apparatus send the second low level signal to controller, and controller sends to motor switch and opens
Signal, motor switch opens hydraulic motor；
After S3, motor switch open the hydraulic motor, the hydraulic motor is converted to the pressure energy of hydraulic system dynamic
Can, the kinetic energy of hydraulic motor is converted to electric energy by the generator, and it is second low that controller receives the second electric quantity detection apparatus
Control power dispenser to connect first circuit after level signal and disconnect second circuit for supply unit is charged, until
Receive the high level signal of the second electric quantity detection apparatus, controller control power dispenser disconnects first circuit and connection the
Two circuits charge for battery；
S4, filled higher than the first power threshold and the second electric power detection when the first electric quantity detection apparatus detect accumulator electric-quantity
Put when detecting supply unit electricity higher than the second power threshold, the first electric quantity detection apparatus and the second electric quantity detection apparatus to
Controller sends high level signal, and controller sends shutdown signal to motor switch, and motor switch closes hydraulic motor to cut off
Institute's hydraulic test unit and energy recovery unit.
Preferably, the motor switch is digital control hydraulic valve；The generator is direct current generator or alternating current generator, institute
State the parameter of generator and the match parameters of the hydraulic motor.
Compared with prior art, the invention has the advantages that：
1. the present invention is on the basis of original hydraulic test unit is not changed, for preheated before hydraulic system use
Journey, increases energy recovery unit, and alternate test platform external power supply changes the unloaded energy of testing stand as preheating load unit
It is electric energy, savings to get up used for laboratory's emergency set or illumination.
2. the equipment in hydraulic test unit belongs to highly energy-consuming equipment, by using the energy recovery unit, Ke Yijie
About very big economic expenditure, industrial consumption energy is reduced by technology, advances the direction of industrial development.
3. the system principle is simple, low cost, is suitable to promote, and can save a large amount of electric energy.The idea is in current hydraulic pressure
Experiment field, not yet someone are expected using, and it is teach that a kind of new thinking and idea, beneficial to the sustainable of environment
Development, has prominent contribution for this area.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is structural schematic block diagram of the invention；
Fig. 3 is the structural schematic block diagram of control system of the invention；
Fig. 4 is method of the present invention schematic flow sheet；And
Fig. 5 is the schematic diagram of embodiments of the invention 1.
Specific embodiment
Exemplary embodiment of the invention, feature and aspect are described in detail below with reference to accompanying drawing.Identical is attached in accompanying drawing
Icon note represents the same or analogous element of function.Although the various aspects of embodiment are shown in the drawings, unless special
Do not point out, it is not necessary to accompanying drawing drawn to scale.
The present invention provides a kind of hydraulic system energy-recuperation system, and as shown in Figure 1 to Figure 3, it includes hydraulic test list
Unit 1 and energy recovery unit 2.Energy recovery unit 2 is used to reclaim the waste heat of hydraulic test unit 1, will try
Test the unloaded energy of platform and be converted to electric energy, savings to get up used for laboratory's emergency set or illumination.
Hydraulic test unit 1 includes supply unit 3, hydraulic pump 4, controller 5, testing stand 6 and separator 7, and energy is returned
Receiving unit 2 includes motor switch 8, hydraulic motor 9, generator 10, power dispenser 11, the electric quantity detection apparatus of battery 12 first
13 and second electric quantity detection apparatus 14.
Controller 5 is arranged on console 51, and controller 5 is also associated with PC 50.
Supply unit 3 is that testing stand 6 and controller 5 are powered, and the output end of controller 5 connects the input of separator 7
It is controlled with the oil circuit branch to separator 7.
Connected by the first oil pipe 15 between hydraulic pump 4 and separator 7, hydraulic pump is used for hydraulic oil supplied to a point oil
Device, is connected between separator 7 and experimental bench 6 by the second oil pipe 16, and the oil pipe input port of testing stand 6 is provided with the bottom of table top
Portion.Connected by the 3rd oil pipe 17 between separator 7 and motor switch 8, the 4th is passed through between motor switch 8 and hydraulic motor 9
Oil pipe 18 is connected.Separator 7 is used to for hydraulic oil to be supplied to testing stand 6 and motor switch 8, and motor switch 8 is used to open or close
Hydraulic motor 9 is closed, the output shaft of hydraulic motor 9 connects the input shaft of generator 10, and hydraulic motor 9 is used for the pressure of hydraulic system
Power can be converted to kinetic energy, and generator 10 is used to for the kinetic energy of hydraulic motor 9 to be converted to electric energy.
In actual applications, first shaft coupling is provided with the output shaft of hydraulic motor 9, is set on the input shaft of generator 10
Second shaft coupling is equipped with, first shaft coupling is connected with second shaft coupling by pin 101.Hydraulic motor 9 drives generator 10 to enter
Row generates electricity.
Power dispenser 11 is managed distribution to the electricity of generator 10, and it is power supply by electric energy that power dispenser 11 is preferential
Device 3 is charged, and when supply unit 3 is full of, power dispenser 11 is charged for battery.In actual applications, battery
Could be arranged to multigroup, the output end connection external equipment of battery, for being powered for external equipment.For example, external equipment can
Think laboratory emergency set or lighting apparatus etc..
First circuit 111, power dispenser 11 and battery are provided between power dispenser 11 and supply unit 3
Second circuit 112 is provided between 111.Preferentially first second circuit 112 of cut-out of circuit 111 of connection is power dispenser
Supply unit 3 charges, and after for the charging complete of supply unit 3, power dispenser cuts off first circuit 111 and connects second electricity
Charged for battery on road 112.
Can thus realize supply unit 3 be constantly in can power supply state, at which in can power supply state when can not
With connection civil power, without as existing hydraulic system, it is necessary to which moment connection civil power carrys out the examination for controller and testing stand
The equipment of testing is powered, and has saved a large amount of electric energy.
Pass through cable connection between generator 10, power dispenser 11, battery 12 and supply unit 3.Controller 5
The input of output end connection separator is controlled with the oil circuit branch to separator.
First electric quantity detection apparatus 13, the output end of the second electric quantity detection apparatus 14 connect the input of controller 5, control
The input of the output end connection motor substation of device 5, the first electric quantity detection apparatus 13, the second electric quantity detection apparatus 14 will be detected
Level signal send to control 5, controller 5 according to the level signal to motor switch 8 send be turned on and off signal, motor
Switch is turned on and off hydraulic motor 9 according to switching signal.
The output end of controller 5 connects the input of power dispenser 11, and controller ought receive the second electric power detection dress
When putting 14 low level signal, electric energy is preferably supply unit and is charged by the control power dispenser 11 of controller 5.
The second electric quantity detection apparatus 14, battery 12 and electric energy point are provided between supply unit 3 and power dispenser 11
The first electric quantity detection apparatus 13 are provided between orchestration 11, the second electric quantity detection apparatus 14 are used to monitor the electricity of supply unit,
First electric quantity detection apparatus 13 are used to monitor the electricity of battery 12.
First electric quantity detection apparatus 13 are internally provided with the first power threshold, and the second electric quantity detection apparatus 14 are internally provided with
The value of the second power threshold, the first power threshold and the second power threshold is generally the 80%-100% of total electricity.It is preferred that
100%.
Examined less than the first power threshold and/or the second electricity when the first electric quantity detection apparatus 13 detect the electricity of battery 12
When survey device 14 detects the electricity of supply unit 3 less than power threshold, the first electric quantity detection apparatus 13 send first to controller
Low level signal and/or the second electric quantity detection apparatus 14 send the second low level signal to controller 5, and controller 5 is being received
After first low level signal and/or the second low level signal open signal is sent to motor switch 8.Motor switch 8 is being received
Hydraulic motor 9 is opened after the open signal that controller sends.
As long as also, controller receives the second low level signal of the second electric quantity detection apparatus 14, regardless of whether receiving
To the first low level signal of the first electric quantity detection apparatus, control power dispenser 11 first circuit of preferential connection of controller 5
And second circuit is disconnected for supply unit is charged, the high level signal until receiving the second electric quantity detection apparatus 14,
Power dispenser 11 can just be controlled and charged to disconnect first circuit communication, second circuit battery, to ensure supply unit pair
Pilot system is preheated.Under the work of the system, ensure that supply unit is continuously pilot system and is preheated, do not exist
Need to connect external power source, only accumulators store electric energy is not used for remaining external equipment, and preheating also no longer needs in itself
Connection external power source, saves substantial amounts of electric energy.
When the first electric quantity detection apparatus 13 detect the electricity of battery 12 higher than the first power threshold and the second electric power detection
When device 14 detects the electricity of supply unit 3 higher than the second power threshold, the first electric quantity detection apparatus 13 and the second electric power detection
Device 14 sends high level signal to controller 5, and controller 5 persistently receives the first electric quantity detection apparatus within a period of time
13 and the second electric quantity detection apparatus 14 send high level signal after, motor switch 8 close hydraulic motor 9 to cut off hydraulic pressure examination
Verification certificate unit 1 and energy recovery unit 2.Now, because supply unit and battery need not charge, therefore volume need not be collected
Outer energy, to realize the overload protection to supply unit and battery.
Certainly, in actual applications, it is also possible to which battery is ined succession, and internal electric network is enterprising to exercise use, to guarantee in time
The electricity that battery is collected is used.It is also possible to metering module is connected on battery and supply unit, to power supply
Usage amount is recorded.
In the present invention, motor switch 8 is a kind of new digital control hydraulic valve, can there is switching speed very high,
The flow for entering hydraulic motor can be controlled.
Generator 10 can be dc generator, or alternating current generator, and its performance parameter should be with hydraulic motor
Match somebody with somebody, output voltage is 220 volts, for being that battery and supply unit 3 generate electricity.
Power dispenser 11 is a kind of digital electric source switch, and preferential first circuit of connection disconnects second circuit to incite somebody to action
Electric energy imports supply unit, and the electricity saturation signal according to supply unit judges whether for electric energy to import battery, with preferentially full
The preheating function of sufficient pilot system.
Battery selects lead-acid accumulator, but is not limited to the type, and its composition includes mu balanced circuit, can be according to using need
Ask, export 0~24v DC voltages.
In a particular application, the model BM2/BMR-160 of hydraulic motor, the model of generator can be STC-10kw tri-
Be synchronised generator, and battery can be YD350L lead-acid batteries, the first electric quantity detection apparatus 13 and the second electric quantity detection apparatus
14 can select UTE1003A/UTE1010A Intelligent electric power quantity metering instruments, and controller can be programmable logic controller (PLC).
Preferably, the present invention also provides a kind of energy reclaiming method of hydraulic system, as shown in figure 4, it includes following step
Suddenly：
S1, the first electric quantity detection apparatus detect the electricity of battery, and the second electric quantity detection apparatus detect the electricity of supply unit
Amount；
S2, when the first electric quantity detection apparatus 13 detect the electricity of battery 12 less than the first power threshold and/or second electricity
When amount detecting device 14 detects the electricity of supply unit 3 less than power threshold, the first electric quantity detection apparatus 13 send to controller
First low level signal and/or the second electric quantity detection apparatus 14 send the second low level signal to controller 5, and controller 5 is to horse
Open signal is sent up to switch 8.Motor switch 8 opens hydraulic motor 9.
After S3, motor switch open the hydraulic motor, the hydraulic motor is converted to the pressure energy of hydraulic system dynamic
Can, the kinetic energy of hydraulic motor is converted to electric energy by the generator, when controller receives the of the second electric quantity detection apparatus 14
During two low level signals, regardless of whether the first low level signal of the first electric quantity detection apparatus is received, the control electric energy of controller 5
Distributor 11 is preferably supply unit and is charged, the high level signal until receiving the second electric quantity detection apparatus 14, just meeting
Control power dispenser 11 charges for battery, to ensure that supply unit 3 is preheated to pilot system.
S4, examined higher than the first power threshold and the second electricity when the first electric quantity detection apparatus 13 detect the electricity of battery 12
When survey device 14 detects the electricity of supply unit 3 higher than the second power threshold, the first electric quantity detection apparatus 13 and the second electricity are examined
Survey device 14 and send high level signal, the closing hydraulic motor 9 of motor switch 8 hydraulic test list to cut off to controller 5 simultaneously
Unit 1 and energy recovery unit 2.Now, because supply unit 3 and battery need not charge, therefore need not collect extra
Energy.
The method that above-mentioned energy recovery unit is provided and meets off-energy during a kind of recovery hydraulic pressure system warm-up,
The method not only meets the demand of hydraulic system warm, and can reclaim the electric energy of loss, and availability test room is met an urgent need
Equipment or lighting apparatus are used.
Energy recovery unit proposed by the present invention, the kinetic energy or electric energy that can be produced hydraulic test unit, further turns
Other forms energy, such as heat energy, luminous energy etc. are turned to, all in protection domain.
Operation principle of the invention is further explained with reference to embodiment：
As shown in figure 5, hydraulic oil is supplied to separator by hydraulic pump 4, hydraulic oil is supplied to the He of testing stand 6 by separator 7
Motor switch 8, motor switch 8 is used to be turned on and off hydraulic motor 9, and the output shaft of hydraulic motor 9 connects the defeated of generator 10
Enter axle, hydraulic motor 9 is used to for the pressure energy of hydraulic system to be converted to kinetic energy, and generator 10 is used for the kinetic energy of hydraulic motor 9
Be converted to electric energy.
Power dispenser 11 is managed distribution to the electricity of generator 10, and it is power supply by electric energy that power dispenser 11 is preferential
Device 3 is charged, and when supply unit 3 is full of, power dispenser 11 is charged for battery.In actual applications, battery
Could be arranged to multigroup, the output end connection external equipment of battery, for being powered for external equipment.
Pass through cable connection between generator 10, power dispenser 11, battery 12 and supply unit 3.Controller 5
The input of output end connection separator is controlled with the oil circuit branch to separator.
First electric quantity detection apparatus 13, the output end of the second electric quantity detection apparatus 14 connect the input of controller 5, control
The input of the output end connection motor substation of device 5, the first electric quantity detection apparatus 13, the second electric quantity detection apparatus 14 will be detected
Level signal send to control 5, controller 5 according to the level signal to motor switch 8 send be turned on and off signal, motor
Switch is turned on and off hydraulic motor 9 according to switching signal.
The second electric quantity detection apparatus 14, battery 12 and electric energy point are provided between supply unit 3 and power dispenser 11
The first electric quantity detection apparatus 13 are provided between orchestration 11, the second electric quantity detection apparatus 14 are used to monitor the electricity of supply unit,
First electric quantity detection apparatus 13 are used to monitor the electricity of battery 12.
First electric quantity detection apparatus 13 are internally provided with the first power threshold, and the second electric quantity detection apparatus 14 are internally provided with
The value of the second power threshold, the first power threshold and the second power threshold is the 100% of total electricity.
Examined less than the first power threshold and/or the second electricity when the first electric quantity detection apparatus 13 detect the electricity of battery 12
When survey device 14 detects the electricity of supply unit 3 less than power threshold, the first electric quantity detection apparatus 13 send first to controller
Low level signal and/or the second electric quantity detection apparatus 14 send the second low level signal to controller 5, and controller 5 is opened to motor
Close 8 and send open signal.Motor switch 8 opens hydraulic motor 9.
When the first electric quantity detection apparatus 13 detect the electricity of battery 12 higher than the first power threshold and the second electric power detection
When device 14 detects the electricity of supply unit 3 higher than the second power threshold, the first electric quantity detection apparatus 13 and the second electric power detection
Device 14 sends high level signal, the closing hydraulic motor 9 of motor switch 8 hydraulic test unit 1 to cut off to controller 5 simultaneously
And energy recovery unit 2.Now, because supply unit and battery need not charge, therefore extra energy need not be collected
Amount.
When controller receives the second low level signal of the second electric quantity detection apparatus 14, the control electric energy distribution of controller 5
Device 11 is preferably supply unit and is charged, the high level signal until receiving the second electric quantity detection apparatus 14, can just control
Power dispenser 11 charges for battery, to ensure that supply unit is preheated to pilot system.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Finally it should be noted that：Above-described each embodiment is merely to illustrate technical scheme, rather than to it
Limitation；Although being described in detail to the present invention with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in previous embodiment, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technical side
The scope of case.
Claims (10)
1. a kind of hydraulic system energy-recuperation system, it includes hydraulic test unit, and the hydraulic test unit includes power supply
Device, hydraulic pump, controller, testing stand and separator, it is characterised in that：Hydraulic system energy-recuperation system also includes energy
Amount recovery unit,
The energy recovery unit includes motor switch, hydraulic motor, generator, power dispenser, battery, the inspection of the first electricity
Device and the second electric quantity detection apparatus are surveyed,
The supply unit is used to be that the testing stand and controller are powered that the output end connection of the controller is described to divide oil
The input of device is controlled with the oil circuit branch to separator, and the output end of the hydraulic pump connects the input of the separator
End, the hydraulic pump is used to for hydraulic oil to be supplied to separator, and the output end of the separator connects the testing stand respectively
The input of input and the motor switch, the separator is used to for hydraulic oil to be supplied to testing stand and motor switch,
The motor switch is used to be turned on and off the hydraulic motor, and the output shaft of the hydraulic motor connects the defeated of the generator
Enter axle, the hydraulic motor is used to for the pressure energy of hydraulic system to be converted to kinetic energy, and the generator is used for hydraulic motor
Kinetic energy is converted to electric energy, and the output end of the generator is connected with the power dispenser, the power dispenser and the electricity
First circuit is provided between source device, second circuit, institute are provided between the power dispenser and the battery
State battery and be connected with the first electric quantity detection apparatus for detecting its electricity, the supply unit is connected with for detecting its electricity
Second electric quantity detection apparatus of amount,
The output end of the output end of first electric quantity detection apparatus and second electric quantity detection apparatus connects described respectively
The input of controller, the output end of the controller connects the input of the motor switch and power dispenser respectively；
Filled less than the first power threshold and/or the second electric power detection when the first electric quantity detection apparatus detect the accumulator electric-quantity
Put when detecting the supply unit electricity less than the second power threshold, the first electric quantity detection apparatus send first low to controller
Level signal and/or the second electric quantity detection apparatus send the second low level signal to controller, and controller is to receive first low
Open signal is sent to motor switch after level signal and/or the second low level signal, motor switch receives described unlatching to be believed
Open the hydraulic motor after number, hydraulic motor connection electrical power generators, controller receives the of the second electric quantity detection apparatus
Control power dispenser to connect first circuit after two low level signals and disconnect second circuit for supply unit is charged,
High level signal until receiving the second electric quantity detection apparatus, controller control power dispenser disconnects first circuit and connects
Lead to second circuit for battery charges.
2. hydraulic system energy-recuperation system according to claim 1, it is characterised in that：When the first electric quantity detection apparatus
Accumulator electric-quantity is detected higher than the first power threshold and the second electric quantity detection apparatus detect supply unit electricity higher than second
During power threshold, the first electric quantity detection apparatus and the second electric quantity detection apparatus send high level signal, controller to controller
Sent to motor switch after the high level signal for receiving the first electric quantity detection apparatus and the second electric quantity detection apparatus and close letter
Number, motor switch receives and close after the shutdown signal hydraulic motor hydraulic test unit and energy are returned to cut off
Receive unit.
3. hydraulic system energy-recuperation system according to claim 1, it is characterised in that：The output of the hydraulic motor
First shaft coupling is provided with axle, second shaft coupling, the first shaft coupling and institute are provided with the input shaft of the generator
Second shaft coupling is stated to be connected by pin.
4. hydraulic system energy-recuperation system according to claim 1, it is characterised in that：The motor switch is numeral
Control hydraulic valve.
5. hydraulic system energy-recuperation system according to claim 1, it is characterised in that：The generator is direct current
Machine or alternating current generator, the match parameters of the parameter of the generator and the hydraulic motor.
6. hydraulic system energy-recuperation system according to claim 1, it is characterised in that：The output end of the battery
Connection external electric equipment.
7. hydraulic system energy-recuperation system according to claim 1, it is characterised in that：The battery is set to many
Group.
8. hydraulic system energy-recuperation system according to claim 1, it is characterised in that：The supply unit and storage
Battery is respectively connected with metering module.
9. the method that hydraulic system according to claim 1 carries out energy regenerating with energy-recuperation system, it is characterised in that：
It is comprised the following steps：
S1, the first electric quantity detection apparatus detect the electricity of battery, and the second electric quantity detection apparatus detect the electricity of supply unit；
S2, filled less than the first power threshold and/or the second electric power detection when the first electric quantity detection apparatus detect accumulator electric-quantity
Put detect supply unit electricity less than power threshold when, the first electric quantity detection apparatus to controller send the first low level signal
And/or second electric quantity detection apparatus to controller send the second low level signal, controller to motor switch send open signal,
Motor switch opens hydraulic motor；
After S3, motor switch open the hydraulic motor, the pressure energy of hydraulic system is converted to kinetic energy by the hydraulic motor, institute
State generator and the kinetic energy of hydraulic motor is converted into electric energy, controller receives the second low level letter of the second electric quantity detection apparatus
Control power dispenser to connect first circuit after number and disconnect second circuit for supply unit is charged, until receiving
The high level signal of the second electric quantity detection apparatus, controller control power dispenser disconnects first circuit and connects second electricity
Charged for battery on road；
S4, examined higher than the first power threshold and the second electric quantity detection apparatus when the first electric quantity detection apparatus detect accumulator electric-quantity
When measuring supply unit electricity higher than the second power threshold, the first electric quantity detection apparatus and the second electric quantity detection apparatus are to control
Device sends high level signal, and controller sends shutdown signal, motor switch closing hydraulic motor liquid to cut off to motor switch
Pressure test unit and energy recovery unit.
10. the method for energy regenerating according to claim 9, it is characterised in that：The motor switch is digital control liquid
Pressure valve；The generator is direct current generator or alternating current generator, the parameter phase of the parameter of the generator and the hydraulic motor
Match somebody with somebody.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294999.9A CN106884834B (en) | 2017-04-28 | 2017-04-28 | Hydraulic system energy-recuperation system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294999.9A CN106884834B (en) | 2017-04-28 | 2017-04-28 | Hydraulic system energy-recuperation system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106884834A true CN106884834A (en) | 2017-06-23 |
| CN106884834B CN106884834B (en) | 2018-08-14 |
Family
ID=59183781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710294999.9A Active CN106884834B (en) | 2017-04-28 | 2017-04-28 | Hydraulic system energy-recuperation system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106884834B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005325883A (en) * | 2004-05-13 | 2005-11-24 | Hitachi Constr Mach Co Ltd | Hybrid drive system for working vehicle |
| CN101864785A (en) * | 2009-04-20 | 2010-10-20 | 住友重机械工业株式会社 | Hybrid-type working machine |
| JP2012062728A (en) * | 2010-09-17 | 2012-03-29 | Daikin Ind Ltd | Hybrid work machine |
| CN102748344A (en) * | 2012-05-29 | 2012-10-24 | 广西玉柴重工有限公司 | Hydraulic return oil energy collection system of excavator |
| CN103256278A (en) * | 2013-04-02 | 2013-08-21 | 燕山大学 | Energy recovery system for load sensing hydraulic system |
| CN104691538A (en) * | 2015-03-05 | 2015-06-10 | 中国人民解放军总后勤部建筑工程研究所 | System and method for recovering brake energy of hybrid electric vehicle based on hydrostatic transmission |
| CN104728219A (en) * | 2015-03-17 | 2015-06-24 | 长安大学 | Hydraulic pump testbed system with energy recovery function and energy recovery method |
-
2017
- 2017-04-28 CN CN201710294999.9A patent/CN106884834B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005325883A (en) * | 2004-05-13 | 2005-11-24 | Hitachi Constr Mach Co Ltd | Hybrid drive system for working vehicle |
| CN101864785A (en) * | 2009-04-20 | 2010-10-20 | 住友重机械工业株式会社 | Hybrid-type working machine |
| JP2012062728A (en) * | 2010-09-17 | 2012-03-29 | Daikin Ind Ltd | Hybrid work machine |
| CN102748344A (en) * | 2012-05-29 | 2012-10-24 | 广西玉柴重工有限公司 | Hydraulic return oil energy collection system of excavator |
| CN103256278A (en) * | 2013-04-02 | 2013-08-21 | 燕山大学 | Energy recovery system for load sensing hydraulic system |
| CN104691538A (en) * | 2015-03-05 | 2015-06-10 | 中国人民解放军总后勤部建筑工程研究所 | System and method for recovering brake energy of hybrid electric vehicle based on hydrostatic transmission |
| CN104728219A (en) * | 2015-03-17 | 2015-06-24 | 长安大学 | Hydraulic pump testbed system with energy recovery function and energy recovery method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106884834B (en) | 2018-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105449740B (en) | A kind of energy-storage lithium battery active equalization control system and control method | |
| CN102231546B (en) | Battery management system with balanced charge and discharge functions and control method thereof | |
| KR102004620B1 (en) | Battery charging and discharging simulation system and its operation method | |
| CN104201755B (en) | Vehicle-mounted diesel generating system under a kind of DC distribution mode and energy management method thereof | |
| CN208337176U (en) | A kind of dynamic fracturing pump electric control gear of energy-saving electrical | |
| CN103576025A (en) | Detection test system for energy storage power station grid connection | |
| CN103207334A (en) | Testing system of electromobile combined charging device and testing method thereof | |
| CN106959418A (en) | Test system and method for testing based on energy storage PCS | |
| CN106291012A (en) | Programmable DC power supply realizes system and method | |
| CN107957720A (en) | Automobile-used hybrid energy-storing control system based on dSPACE and motor experimental bench | |
| CN103904741B (en) | A kind of method of the energy storage device balance of voltage and system thereof | |
| CN206668675U (en) | Hydraulic system energy-recuperation system | |
| CN207481815U (en) | Electric system above and below electric automobile high-voltage | |
| CN102306941B (en) | Battery pack capacity coupling method and battery pack capacity coupling apparatus | |
| CN111864889A (en) | Uninterrupted emergency power supply system and method for open-circuit protection of lead-acid storage battery pack | |
| CN113659701B (en) | Intelligent air compression station electric energy supply system and supply method thereof | |
| CN205017073U (en) | Electric automobile flexibility machine that charges | |
| CN108539780A (en) | The energy management system of independent micro-capacitance sensor | |
| CN204967310U (en) | Tire formula container gantry crane hybrid battery management system | |
| CN106884834B (en) | Hydraulic system energy-recuperation system and method | |
| CN214278378U (en) | Remote control system for checking capacity of storage battery of communication power supply | |
| CN106006250B (en) | Energy-saving device of elevator control method | |
| CN107402137A (en) | Vehicle test system in a kind of electric automobile room | |
| CN203455457U (en) | Motor dragging platform for testing motor and composite power supply system thereof | |
| CN103472390A (en) | Motor twin-dragging platform for motor test and compound power supply system thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |