CN101126369A - Hydraulic pressure generating system - Google Patents
Hydraulic pressure generating system Download PDFInfo
- Publication number
- CN101126369A CN101126369A CNA2007100713155A CN200710071315A CN101126369A CN 101126369 A CN101126369 A CN 101126369A CN A2007100713155 A CNA2007100713155 A CN A2007100713155A CN 200710071315 A CN200710071315 A CN 200710071315A CN 101126369 A CN101126369 A CN 101126369A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- regulating device
- generator
- signal
- control
- 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
Images
Landscapes
- Fluid-Pressure Circuits (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
Aiming at the defects of the existing hydraulic generating system which include unreasonable space arrangement, poor output accuracy, power generation in parking state and the instable output of electricity and so on, the invention discloses a hydraulic generating system which comprises: a) a hydraulic power unit; b) a hydraulic governing device; c) a control device; d) a hydraulic drive device; e) a generator; f) a voltage regulator. The invention utilizes the hydraulic power to drive a hydraulic motor, then the hydraulic motor actuates a synchro generator or other special generator which is coaxially connected with the hydraulic motor; The hydraulic motor and the rotation speed of the generator are controlled by utilizing the feedback control principle and the hydraulic elements which have high precision and high response speed; In this way, the electricity output by the generator can meet the accuracy requirement and the output of standard power grid electricity or electricity of other special specification can be realized.
Description
Technical field
The present invention relates to a kind of power generation system, specifically is a kind of power apparatus that is applicable on engineering machinery, mechanically moving, motor-driven ship, various vehicle, the special equipment etc. (to call carrying machinery in the following text).Its power resources are the hydraulic power supplies that carry mechanically.What its was exported both can be (identical with grid power) electric energy of standard, also can be the electric energy under other specific (special) requirements and the specification.
Background technique
Existing application has following three kinds in the power apparatus of engineering machinery, mechanically moving, motor-driven ship, various vehicle, special equipment equivalent-load machinery:
1) common independent fuel electric generator; Wherein, common independent fuel electric generator is to stand on the mechanical main prime mover operating internal combustion engine of carrying with an independence for Taiwan directly to drag the synchronous generator running.Its benefit is a low price, product ommercialization, and selectable brand and product is a lot, but its shortcoming is apparent: volume is big, weight is big, noise is big, the smoke evacuation heat radiation requires height, line service is loaded down with trivial details, the upkeep cost height.
2) silicon rectification generator; Its principle is to utilize the power of the mechanical main prime mover of carrying, by prime mover power taking or the power taking of gear-box power taking mouth, directly drags DC generator; This generator adopts self-excitation or its excitation, controls output voltage by the control field current; This direct current energy becomes the electric energy that standard electrical network power specification conforms to through inverter.Its advantage is that efficient is higher, and transmission is simple, and the precision of output voltage and frequency is better; Shortcoming is that this principle can't be made powerful generator owing to generator volume and weight limits; In addition, costing an arm and a leg of powerful inverter also is the key factor that limits its development.
3) the mechanical main prime mover E-Gas rotating speed control drawing generator of carrying; Its principle and independent fuel electric generator are basic identical, and only its internal-combustion engine independently is not used for generating electricity, and drag synchronous generator and form but get the mechanical main prime mover of carrying.Its benefit is to integrate with the mechanical main prime mover of carrying, volume and weight all reduces significantly, and there is not extra smoke evacuation heat radiation to require (the smoke evacuation heat radiation of main prime mover all has been ready-made), but its shortcoming is: A) master section must directly be dragged by the mechanical axis on main prime mover swivel-chain, causes the mounting point of generator to install according to the position of former carrying machine power delivery outlet.And a high-power generator is all installed near the space most carrying machine power delivery outlets inadequately.B) its frequency, Control of Voltage precision are also poor, thereby output accuracy is not high.C) it can only power generation in parking, and can not be in the middle generating of advancing: carrying machinery (vehicle) is when on the way travelling, and prime mover rotation speed change scope is very big, and this system can't guarantee stablizing of electric energy output under the very big situation of engine speed scope.In sum, the Applicable scope of this technology is very narrow.
Summary of the invention
Technical problem to be solved by this invention is: at above-mentioned the deficiencies in the prior art part, a kind of hydraulic pressure generating system is provided, this power generation system is utilized the mode and the feedback control principle of hydraulic power conversion, control oil hydraulic motor and generator speed, thus make the electric energy of generator output meet required precision.
In order to solve the problems of the technologies described above, the present invention adopts following technological scheme: a) hydraulic power unit: be used for the mechanical energy of the mechanical main prime mover input of carrying is converted to the hydraulic pressure energy, produce pressure oil; B) hydraulic regulating device: the flow size that is used for regulating pressure oil according to control signal; C) control gear: be used for according to feedback signal output control signal, control hydraulic regulating device; D) fluid pressure drive device: be used for driving generator operation according to the flow size of pressure oil; E) generator: being used for to be electric energy by the power-converting that passes on the alternator shaft; F) voltage regulator: the voltage swing that is used for regulator generator output; Described hydraulic power unit is connected with the mechanical main prime mover of carrying, be in turn connected to form oil hydraulic circuit by pipeline between described hydraulic power unit, hydraulic regulating device, the fluid pressure drive device, described control gear and hydraulic regulating device connect and compose the closed loop control loop, fluid pressure drive device is connected with generator by driving mechanism, and generator is connected with voltage regulator.
In order to solve the problems of the technologies described above, the present invention adopts following further technological scheme:
Described hydraulic regulating device is integrated in the hydraulic power unit, be provided with an oil hydraulic pump that has a stroking mechanism in the hydraulic power unit, hydraulic regulating device is directly withheld on the control interface of oil hydraulic pump, and the high pressure delivery outlet of hydraulic power unit is connected with pipeline with high pressure hydraulic fluid port, the return opening of fluid pressure drive device respectively with the low pressure return opening.
Described hydraulic regulating device and fluid pressure drive device are integrated in one, the high pressure hydraulic fluid port of hydraulic power unit, return opening are connected with high pressure hydraulic fluid port, the return opening of hydraulic regulating device respectively by pipeline, the high-pressure mouth of hydraulic regulating device and the high-pressure mouth of fluid pressure drive device are directly withheld together, and the return opening of hydraulic regulating device is connected by pipeline with the fluid pressure drive device return opening.
Described hydraulic regulating device and fluid pressure drive device are integrated in one, the high pressure hydraulic fluid port of hydraulic power unit, return opening are connected with high pressure hydraulic fluid port, the return opening of hydraulic regulating device respectively by pipeline, the high pressure hydraulic fluid port of hydraulic regulating device and the high pressure hydraulic fluid port of fluid pressure drive device are by the pipeline edge joint, and the return opening of hydraulic regulating device and fluid pressure drive device return opening are directly withheld together.
Described control gear comprises sensor unit: the signal that is used to gather power generation system output; Signal condition unit: be used for the signal of sensor acquisition is nursed one's health; Standard signal generator unit: be used for the predefined standard signal of generation system; Electronic comparator unit: be used for collection signal and standard signal are compared, and export an error signal; Control unit: be used for according to error signal and predefined algorithm the output control signal; Power amplifier: be installed in the hydraulic regulating device, be used to receive control signal, and export the valve port opening of corresponding electrical power signal control hydraulic regulating device.
Described sensor is a voltage transducer, and this sensor is installed on the output cable of generator.
Described sensor is a speed probe, and this sensor is connected with the rotating shaft of generator.
Described control gear and hydraulic regulating device are integrated in one, and constitute hydraulic control adjusting part by the differential flow transducer and the hydraulic regulating device that are connected on the high pressure working connection.
Described control gear and hydraulic regulating device are integrated in one, and constitute hydraulic control adjusting part by the ratio commutation modulating valve that is connected on the differential flow transducer on the high pressure working connection and be integrated in the hydraulic power unit.
Described control gear and hydraulic regulating device are integrated in one, and constitute hydraulic control adjusting part by differential flow transducer and a ratio commutation modulating valve of being connected on the high pressure working connection.
By above technological scheme as can be known, beneficial effect of the present invention is as follows: 1) realized from carrying the high-power transmission transmission of mechanical main prime mover (or hydraulic system) to generator: the power that utilizes the mechanical main prime mover of carrying, mode and feedback control principle with the hydraulic power conversion, control oil hydraulic motor and generator speed, guaranteed the invariablenes turning speed of hydraulic driving part and generator, thereby make the electric energy of generator output meet required precision, control accuracy is higher, and does not have extra smoke evacuation heat radiation to require (the smoke evacuation heat radiation of main prime mover all has been ready-made); 2) volume is little, in light weight, specific power is big, is installed to carrying easily mechanically, and has realized generator flexibility (arbitrarily) layout, and making generator be installed in carrying position mechanically can select arbitrarily.As the present invention's implementation further: hydraulic regulating device both can be integrated in the hydraulic power unit, also can be integrated in one with fluid pressure drive device, control gear both solely can stand setting, also can be integrated in one with hydraulic regulating device, make mounting point of the present invention can arbitrarily adjust, use convenient, more safe and reliable, can be applicable to all-environment power generation system, and the power generation system compact overall structure is that volume and weight all reduces greatly with respect to prior art.3) realized the control of highi degree of accuracy and high response speed, the output performance of electric energy is increased substantially; 4) can realize exporting the phase control of electric energy (Ac), make hydraulic generator and control system thereof realize easily generating electricity by way of merging two or more grid systems; 5) because the load capacity of the hydraulic system of this technology is stronger, so this hydraulic pressure generating system can realize loaded starting, and anti-moment overload capacity strong; 6) equipment non-maintaining (or few maintenance), the life-span is long, and maintenance cost is low.
Description of drawings
Fig. 1 is a system block diagram of the present invention.
Fig. 2 is the structure principle chart of one of control type in the embodiment of the invention 1.
Fig. 3 is two a structure principle chart of control type in the embodiment of the invention 1.
Fig. 4 is three a structure principle chart of control type in the embodiment of the invention 1.
Fig. 5 is the structure principle chart of one of control type in the embodiment of the invention 2.
Fig. 6 is two a structure principle chart of control type in the embodiment of the invention 2.
Fig. 7 is three a structure principle chart of control type in the embodiment of the invention 2.
Embodiment
According to concrete mode of execution schematic diagram, implementation principle process of the present invention below makes introductions all round:
Referring to Fig. 1, hydraulic pressure generating system of the present invention is made up of hydraulic power unit 1, hydraulic regulating device 2, fluid pressure drive device 3, generator 4, voltage regulator 5 and control gear 6.
Hydraulic power unit 1: be used for the mechanical energy of the mechanical main prime mover input of carrying is converted to the hydraulic pressure energy, produce pressure oil, mainly be made up of oil hydraulic pump and fuel tank, the kind of oil hydraulic pump can have multiple choices;
Hydraulic regulating device 2: be used for regulating according to control signal the flow size of pressure oil, hydraulic regulating device can the commutation of employing ratio modulating valve, servovalve or other variable restrictor selector valve described in the prior etc.;
Control gear 6: be used for according to feedback signal output control signal, the control hydraulic regulating device, control gear can be integrated in one with hydraulic regulating device, and getting hydraulic flow is feedback signal: can adopt differential pressure flowmeter, differential flow transducer etc.; But control gear is electronic controller independently also: the frequency and the phase place of getting the generator output current are feedback signal, or to get the velocity transducer that is contained in the generator axle head be feedback signal;
Fluid pressure drive device 3: be used for driving generator operation according to the flow size of pressure oil, fluid pressure drive device both can use the mekydro motor, also the hydraulic plunger motor can be used, the core component of hydraulic vane formula motor can also be used as fluid pressure drive device;
Generator 4: be used for hydraulic driving power is converted to electric energy;
Voltage regulator 5: the voltage swing that is used for regulator generator output;
Embodiment 1:
Referring to Fig. 2: the 1-hydraulic power unit, the 1A-oil hydraulic pump, the 1B-fuel tank, part is regulated in 2 '-hydraulic control, the differential flow transducer of 2A-, 2B-ratio commutation modulating valve, the resistance of 2C-liquid, 3-fluid pressure drive device, anti-empty one-way valve, 3B-oil hydraulic motor, 4-generator, the 5-voltage regulator inhaled of 3A-.
One of Placement between hydraulic power unit 1, hydraulic regulating device 2 and the fluid pressure drive device 3: hydraulic regulating device is integrated in the hydraulic power unit, in this case, be provided with an oil hydraulic pump 1A who has a stroking mechanism in the hydraulic power unit, for example: Variable plunger pump, hydraulic regulating device generally is directly to withhold on the control interface of oil hydraulic pump, realizes directly linking to each other; And the high pressure delivery outlet of hydraulic power unit links to each other with pipeline with high pressure hydraulic fluid port, the return opening of fluid pressure drive device with the low pressure return opening.
One of control gear form: getting hydraulic flow is feedback signal, and control gear and hydraulic regulating device are integrated in one in this case, and this moment, to the high pressure working connection of hydraulic driving part, a differential flow transducer 2A connected at hydraulic power unit; This differential flow transducer 2A and the ratio commutation modulating valve 2B that is integrated in the hydraulic power unit constitute hydraulic control adjusting part 2 '.The pressure difference signal at these differential flow transducer 2A two ends is directly proportional with the flow that flows through this flow transducer; This pressure difference acts on the removable spool two ends that the ratio commutation modulating valve 2B in the part is regulated in hydraulic control, and balance each other with initial tension of spring on the spool, and then kept the swash plate angle of the Variable quantity oil hydraulic pump in the hydraulic power unit, promptly keep corresponding working connection flow.Disturb and departed from preset value when the flow of working connection is subjected to certain reason, for example flow has diminished, the pressure reduction at so differential flow transducer two ends will reduce, therefore act on hydraulic control and regulate the pressure difference at spool two ends of part just less than the elastic force of spring, thereby spool is moved to the direction that increases the swash plate angle, the flow of working connection kind is increased, recover the original flow value of setting.Otherwise (when flow be subjected to that certain reason is disturbed and when becoming big) as the same.
Referring to Fig. 3,1-hydraulic power unit, 1A-oil hydraulic pump, 1B-fuel tank, 2-hydraulic regulating device, 2B-ratio commutation modulating valve, the resistance of 2C-liquid, 3-fluid pressure drive device, anti-empty one-way valve, 3B-oil hydraulic motor, 4-generator, 5-voltage regulator, the 6-control gear inhaled of 3A-.
Two of control gear form: the frequency and the phase place of getting the generator output current are feedback signal, this time-control apparatus is electronic controller independently, control gear 6 comprises sensor unit 6A, signal condition unit 6B, standard signal generator unit 6C, electronic comparator unit 6D, control unit 6E and power amplifier 6F, sensor is a voltage transducer, this sensor is installed on the output cable of generator, this sensor collects electronic comparator after the output voltage signal of generator is nursed one's health through the signal condition unit; This comparator carries out the comparison of frequency and phase place with signal that collects and the voltage signal of exporting from the standard signal generator of control module inside, according to direct current signal (being referred to as error signal) that voltage is directly proportional with this difference of the output of the difference after the comparison; This signal is input to control unit through after filtering and amplifying; Control unit is exported a voltage signal that carries controlled quentity controlled variable and is given the power amplifier that is installed on the hydraulic control valve in the hydraulic regulating device on the working connection according to this error signal and the algorithm that pre-establishes; Hydraulic control valve can the employing ratio commutation modulating valve, servovalve or other variable restrictor selector valve described in the prior, power amplifier is exported corresponding electrical power signal, control ratio valve or servovalve are regulated its valve port opening, thereby accurately regulate the flow that flows through in the working connection, and then guaranteed the invariablenes turning speed of fluid pressure drive device and generator.Disturb and departed from preset value when the rotating speed of generator is subjected to certain reason, for example rotating speed has diminished, and then causes the frequency of output voltage to reduce.The reduction of frequency causes the frequency of two signals of comparison in comparator and phase error to increase, comparator output positive error signal, control unit is according to electrical power signal that valve port opening is increased of this signal output, control ratio valve or servovalve are accurately regulated valve port opening, the flow of oil hydraulic motor is increased, and then the rotating speed of raising generator, keep generator to turn round with predefined rotating speed constant speed.Otherwise (when rotating speed be subjected to that certain reason is disturbed and when becoming big) as the same.
Referring to Fig. 4,1-hydraulic power unit, 1A-oil hydraulic pump, 1B-fuel tank, 2-hydraulic regulating device, 2B-ratio commutation modulating valve, the resistance of 2C-liquid, 3-fluid pressure drive device, anti-empty one-way valve, 3B-oil hydraulic motor, 4-generator, 5-voltage regulator, the 6-control gear inhaled of 3A-.
Three of control type: getting the velocity transducer that is contained in the generator axle head is feedback signal, and this moment, control module was electronic controller independently.Control gear comprises sensor unit 6A, signal condition unit 6B, standard signal generator unit 6C, electronic comparator unit 6D, control unit 6E and power amplifier 6F.Sensor is a speed probe, and this sensor is connected with the rotating shaft of generator.Behind the axle tach signal process signal condition of this sensor with generator, collect electronic comparator; This comparator carries out the comparison of rotating speed and phase place with signal that collects and the voltage signal of exporting from the standard signal generator of control module inside, according to direct current signal (being referred to as error signal) that voltage is directly proportional with this difference of the output of the difference after the comparison; This signal is input to control unit through after filtering and amplifying; Control unit is exported a voltage signal that carries controlled quentity controlled variable and is given the power amplifier that is installed on the hydraulic control valve in the hydraulic regulating device on the working connection according to this error signal and the algorithm that pre-establishes; Hydraulic control valve can the employing ratio commutation modulating valve, servovalve or other variable restrictor selector valve described in the prior, power amplifier is exported corresponding electrical power signal, control ratio valve or servovalve are regulated its valve port opening, thereby accurately regulate the flow that flows through in the working connection, and then guaranteed the invariablenes turning speed of hydraulic driving part and generator.Disturb and departed from preset value when the rotating speed of generator is subjected to certain reason, for example rotating speed has diminished, then the error of two signals that compare in comparator increases, comparator output positive error signal, controller is according to electrical power signal that valve port opening is increased of this signal output, and control ratio valve or servovalve are accurately regulated valve port opening, and the flow of oil hydraulic motor is increased, and then the rotating speed of raising generator, keep generator to turn round with predefined rotating speed constant speed.Otherwise (when rotating speed be subjected to that certain reason is disturbed and when becoming big) as the same.
More than three kinds of control gear all can compare the signal that feeds back with pre-set control target, and then the spool travel of the hydraulic control valve in the output control signal regulator solution pressure regulator, thereby change or regulated flow by oil hydraulic motor, regulating and controlling the rotating speed and the phase place of oil hydraulic motor and generator, and then reached the purpose of control generator output frequency and phase place.
Embodiment 2:
Referring to Fig. 5,1-hydraulic power unit, 1A-oil hydraulic pump, 1B-fuel tank, part is regulated in 2 '-hydraulic control, the differential flow transducer of 2A-, 2B-ratio commutation modulating valve, 3-fluid pressure drive device, anti-empty one-way valve, 3B-oil hydraulic motor, 4-generator, the 5-voltage regulator inhaled of 3A-.
Two of Placement between hydraulic power unit, hydraulic regulating device and the fluid pressure drive device: hydraulic regulating device and fluid pressure drive device are integrated in one, and pressure duct and low pressure line with certain-length couple together the high pressure hydraulic fluid port and the return opening of hydraulic power unit and hydraulic regulating device respectively; And the high pressure hydraulic fluid port of the high pressure hydraulic fluid port of hydraulic regulating device and fluid pressure drive device is directly withheld together, realizes directly connecting; The return opening of hydraulic regulating device is connected by pipeline with the return opening of fluid pressure drive device;
One of control gear form: getting hydraulic flow is feedback signal, control gear and hydraulic regulating device are integrated in one in this case, constitute hydraulic control and regulate part 2 ', on the high pressure working connection, a differential flow transducer 2A and the ratio of connecting commutation modulating valve 2B; The pressure difference signal at these differential flow transducer two ends is directly proportional with the flow that flows through this flow transducer; This pressure difference acts on the removable spool two ends of ratio commutation modulating valve, and balances each other with initial tension of spring on the spool, thereby keeps corresponding working connection flow.Disturb and departed from preset value when the flow of working connection is subjected to certain reason, for example flow has diminished, the pressure reduction at so differential flow transducer two ends will reduce, therefore the pressure difference that acts on ratio commutation regulation valve core two ends is just less than the elastic force of spring, thereby ratio commutation regulation valve core is moved to increasing the valve port opening direction, and then reduced the total throttle resistance on the working connection, and the flow in the working connection is increased, recover the original flow value of setting.Otherwise (when flow be subjected to that certain reason is disturbed and when becoming big) as the same.
Referring to Fig. 6,1-hydraulic power unit, 1A-oil hydraulic pump, 1B-fuel tank, 2-hydraulic regulating device, 2B-ratio commutation modulating valve, 3-fluid pressure drive device, anti-empty one-way valve, 3B-oil hydraulic motor, 4-generator, 5-voltage regulator, the 6-control gear inhaled of 3A-.
The control gear form two with embodiment 1 in control gear form two identical, the frequency and the phase place of getting the generator output current are feedback signal.
Referring to Fig. 7,1-hydraulic power unit, 1A-oil hydraulic pump, 1B-fuel tank, 2-hydraulic regulating device, 2B-ratio commutation modulating valve, 3-fluid pressure drive device, anti-empty one-way valve, 3B-oil hydraulic motor, 4-generator, 5-voltage regulator, the 6-control gear inhaled of 3A-.
The control gear form three with embodiment 1 in control gear form three identical, getting the velocity transducer that is contained in the generator axle head is feedback signal.
Embodiment 3:
Three of Placement between hydraulic power unit, hydraulic regulating device and the fluid pressure drive device: hydraulic regulating device and fluid pressure drive device are integrated in one, and pressure duct and low pressure line with certain-length couple together the high pressure hydraulic fluid port and the return opening of hydraulic power unit and hydraulic regulating device respectively; And the high pressure hydraulic fluid port of hydraulic regulating device is connected by pipeline with the high pressure hydraulic fluid port of fluid pressure drive device; The return opening of hydraulic regulating device and the return opening of fluid pressure drive device are directly withheld together, realize directly connecting.
One of control gear form, two, three identical with embodiment 2.
The present invention utilizes hydraulic power to drive oil hydraulic motor, is dragged and its coaxial synchronous generator that is connected or other special power generator by oil hydraulic motor again; Utilize feedback control principle,, thereby make generator output electric energy meet required precision, realize the electric energy output of standard electrical network electric energy or other special power supply specification with the hydraulic element control oil hydraulic motor and the generator speed of highi degree of accuracy, high response speed.
Claims (10)
1. hydraulic pressure generating system is characterized in that it comprises:
A) hydraulic power unit: be used for the mechanical energy of the mechanical main prime mover input of carrying is converted to the hydraulic pressure energy, produce pressure oil;
B) hydraulic regulating device: the flow size that is used for regulating pressure oil according to control signal;
C) control gear: be used for according to feedback signal output control signal, control hydraulic regulating device;
D) fluid pressure drive device: be used for driving generator operation according to the flow size of pressure oil;
E) generator: being used for to be electric energy by the power-converting that passes on the alternator shaft;
F) voltage regulator: the voltage swing that is used for regulator generator output;
Described hydraulic power unit is connected with the mechanical main prime mover of carrying, be in turn connected to form oil hydraulic circuit by pipeline between described hydraulic power unit, hydraulic regulating device, the fluid pressure drive device, described control gear and hydraulic regulating device connect and compose the closed loop control loop, fluid pressure drive device is connected with generator by driving mechanism, and the output cable of generator is connected with voltage regulator.
2. a kind of hydraulic pressure generating system as claimed in claim 1, it is characterized in that: described hydraulic regulating device is integrated in the hydraulic power unit, be provided with an oil hydraulic pump that has a stroking mechanism in the hydraulic power unit, hydraulic regulating device is directly withheld on the control interface of oil hydraulic pump, and the high pressure delivery outlet of hydraulic power unit is connected with pipeline with return opening with the high pressure hydraulic fluid port of fluid pressure drive device respectively with return opening.
3. a kind of hydraulic pressure generating system as claimed in claim 1, it is characterized in that: described hydraulic regulating device and fluid pressure drive device are integrated in one, the high pressure hydraulic fluid port of hydraulic power unit is connected with return opening with the high pressure hydraulic fluid port of hydraulic regulating device respectively by pipeline with return opening, the high-pressure mouth of hydraulic regulating device and the high-pressure mouth of fluid pressure drive device are directly withheld together, and the return opening of hydraulic regulating device is connected by pipeline with the fluid pressure drive device return opening.
4. a kind of hydraulic pressure generating system as claimed in claim 1, it is characterized in that: described hydraulic regulating device and fluid pressure drive device are integrated in one, the high pressure hydraulic fluid port of hydraulic power unit, return opening are connected with high pressure hydraulic fluid port, the return opening of hydraulic regulating device respectively by pipeline, the high pressure hydraulic fluid port of hydraulic regulating device is connected by pipeline with the high pressure hydraulic fluid port of fluid pressure drive device, and the return opening of hydraulic regulating device and fluid pressure drive device return opening are directly withheld together.
5. as claim 1 or 2 or 3 or 4 described a kind of hydraulic pressure generating systems, it is characterized in that described control gear comprises sensor unit: the signal that is used to gather power generation system output; Signal condition unit: be used for the signal of sensor acquisition is nursed one's health; Standard signal generator unit: be used for the predefined standard signal of generation system; Electronic comparator unit: be used for collection signal and standard signal are compared, and export an error signal; Control unit: be used for according to error signal and predefined algorithm the output control signal; Power amplifier: be installed in the hydraulic regulating device, be used to receive control signal, and export the valve port opening of corresponding electrical power signal control hydraulic regulating device.
6. a kind of hydraulic pressure generating system as claimed in claim 5 is characterized in that described sensor is a voltage transducer, and this sensor is installed on the output cable of generator.
7. a kind of hydraulic pressure generating system as claimed in claim 5 is characterized in that described sensor is a speed probe, and this sensor is connected with the rotating shaft of generator.
8. as claim 1 or 2 or 3 or 4 described a kind of hydraulic pressure generating systems, it is characterized in that: described control gear and hydraulic regulating device are integrated in one, and constitute hydraulic control adjusting part by the differential flow transducer and the hydraulic regulating device that are connected on the high pressure working connection.
9. a kind of hydraulic pressure generating system as claimed in claim 1 or 2, it is characterized in that: described control gear and hydraulic regulating device are integrated in one, and constitute hydraulic control adjusting part by the ratio commutation modulating valve that is connected on the differential flow transducer on the high pressure working connection and be integrated in the hydraulic power unit.
10. as claim 1 or 3 or 4 described a kind of hydraulic pressure generating systems, its spy is: described control gear and hydraulic regulating device are integrated in one, and constitute hydraulic control adjusting part by differential flow transducer and a ratio commutation modulating valve of being connected on the high pressure working connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100713155A CN100559025C (en) | 2007-09-19 | 2007-09-19 | Hydraulic pressure generating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100713155A CN100559025C (en) | 2007-09-19 | 2007-09-19 | Hydraulic pressure generating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101126369A true CN101126369A (en) | 2008-02-20 |
| CN100559025C CN100559025C (en) | 2009-11-11 |
Family
ID=39094477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100713155A Expired - Fee Related CN100559025C (en) | 2007-09-19 | 2007-09-19 | Hydraulic pressure generating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100559025C (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798986B (en) * | 2010-02-05 | 2011-09-07 | 威海西立电子有限公司 | Vehicle-mounted hydraulic self-generating system |
| CN101635485B (en) * | 2009-08-24 | 2011-09-28 | 浙江大学 | Integrated hydraulically-driven asynchronous generator |
| CN103277354A (en) * | 2013-06-20 | 2013-09-04 | 兰州力天同创流体控制装备有限公司 | Vehicle-mounted alternating-current-generating hydraulic driving device |
| CN103944316A (en) * | 2014-04-28 | 2014-07-23 | 上海精卫电子有限公司 | Heat dissipating system of high-power underwater oil-filled motor |
| CN105156625A (en) * | 2015-08-07 | 2015-12-16 | 燕山大学 | Traveling type hydraulic electric generation system |
| CN106089861A (en) * | 2015-08-31 | 2016-11-09 | 徐州重型机械有限公司 | A kind of hydraulic pressure generating system and use the fire fighting truck of this system |
| CN106286441A (en) * | 2016-08-04 | 2017-01-04 | 湖南三路面机械有限公司 | Paver power hydraulic system and paver |
| CN109944730A (en) * | 2019-05-06 | 2019-06-28 | 深圳市云连机械有限公司 | A kind of micro hydraulic generator |
| CN110966138A (en) * | 2019-11-19 | 2020-04-07 | 天津捷强动力装备股份有限公司 | Safe and energy-saving hydraulic power generation system |
| CN111255626A (en) * | 2020-04-04 | 2020-06-09 | 赵学清 | Hydraulic generator |
| CN111271217A (en) * | 2020-04-04 | 2020-06-12 | 赵学清 | Device for generating power by using return oil pressure of hydraulic system |
| CN111342616A (en) * | 2020-02-28 | 2020-06-26 | 重庆浦仁达磁动力技术有限公司 | Control method and control system based on control system |
| CN111396382A (en) * | 2020-04-27 | 2020-07-10 | 上海深拓液压技术有限公司 | Closed-loop control system of hydraulic power take-off device |
| TWI734089B (en) * | 2019-03-26 | 2021-07-21 | 馮強國 | Hydraulic power generation system |
| CN113250636A (en) * | 2021-06-26 | 2021-08-13 | 山东交通学院 | Power control system for logging device |
-
2007
- 2007-09-19 CN CNB2007100713155A patent/CN100559025C/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101635485B (en) * | 2009-08-24 | 2011-09-28 | 浙江大学 | Integrated hydraulically-driven asynchronous generator |
| CN101798986B (en) * | 2010-02-05 | 2011-09-07 | 威海西立电子有限公司 | Vehicle-mounted hydraulic self-generating system |
| CN103277354A (en) * | 2013-06-20 | 2013-09-04 | 兰州力天同创流体控制装备有限公司 | Vehicle-mounted alternating-current-generating hydraulic driving device |
| CN103277354B (en) * | 2013-06-20 | 2016-01-20 | 兰州力天同创流体控制装备有限公司 | Vehicle-mounted alternative electric generation fluid pressure drive device |
| CN103944316A (en) * | 2014-04-28 | 2014-07-23 | 上海精卫电子有限公司 | Heat dissipating system of high-power underwater oil-filled motor |
| CN103944316B (en) * | 2014-04-28 | 2016-08-24 | 上海精卫电子有限公司 | A kind of cooling system of high-power oil-filled submersible machine |
| CN105156625A (en) * | 2015-08-07 | 2015-12-16 | 燕山大学 | Traveling type hydraulic electric generation system |
| CN106089861A (en) * | 2015-08-31 | 2016-11-09 | 徐州重型机械有限公司 | A kind of hydraulic pressure generating system and use the fire fighting truck of this system |
| CN106286441A (en) * | 2016-08-04 | 2017-01-04 | 湖南三路面机械有限公司 | Paver power hydraulic system and paver |
| CN106286441B (en) * | 2016-08-04 | 2019-05-14 | 湖南三一路面机械有限公司 | Paver power hydraulic system and paver |
| TWI734089B (en) * | 2019-03-26 | 2021-07-21 | 馮強國 | Hydraulic power generation system |
| CN109944730A (en) * | 2019-05-06 | 2019-06-28 | 深圳市云连机械有限公司 | A kind of micro hydraulic generator |
| CN109944730B (en) * | 2019-05-06 | 2024-04-26 | 深圳市云连机械有限公司 | Miniature hydraulic generator |
| CN110966138A (en) * | 2019-11-19 | 2020-04-07 | 天津捷强动力装备股份有限公司 | Safe and energy-saving hydraulic power generation system |
| CN110966138B (en) * | 2019-11-19 | 2021-10-22 | 天津捷强动力装备股份有限公司 | Safe and energy-saving hydraulic power generation system |
| CN111342616A (en) * | 2020-02-28 | 2020-06-26 | 重庆浦仁达磁动力技术有限公司 | Control method and control system based on control system |
| CN111255626A (en) * | 2020-04-04 | 2020-06-09 | 赵学清 | Hydraulic generator |
| CN111271217A (en) * | 2020-04-04 | 2020-06-12 | 赵学清 | Device for generating power by using return oil pressure of hydraulic system |
| CN111396382A (en) * | 2020-04-27 | 2020-07-10 | 上海深拓液压技术有限公司 | Closed-loop control system of hydraulic power take-off device |
| CN113250636A (en) * | 2021-06-26 | 2021-08-13 | 山东交通学院 | Power control system for logging device |
| CN113250636B (en) * | 2021-06-26 | 2022-05-24 | 山东交通学院 | Power control system for well logging device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100559025C (en) | 2009-11-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100559025C (en) | Hydraulic pressure generating system | |
| CN101798986B (en) | Vehicle-mounted hydraulic self-generating system | |
| CN101535652B (en) | Reversible hydroelectric device | |
| CN201696147U (en) | Electronic speed regulator for diesel generator set | |
| US4570077A (en) | Waste heat recovery system driven alternators and auxiliary drive systems therefor | |
| CN102490583B (en) | Hybrid power system for hydraulic system and engineering machine | |
| CN101304234A (en) | Power converters | |
| CN102269065B (en) | Connection/disconnection operation control system of multiple diesel engines and control methods thereof | |
| CN209250419U (en) | A kind of mechatronics integration speed-regulating system | |
| US10280866B2 (en) | Fluid supply device | |
| CN103277354A (en) | Vehicle-mounted alternating-current-generating hydraulic driving device | |
| CN103395712A (en) | Output-characteristic-adjustable hydraulic capstan electrohydraulic control system | |
| CN105128662B (en) | Hydraulic driving electric generator energy-conserving electricity generation system | |
| CN106379154A (en) | Hybrid driving system | |
| CN204253300U (en) | The Vehicular concrete pump of the mixed power plant of a kind of oil electricity and application thereof | |
| CN101493049B (en) | Electronic throttle controller of engine | |
| CN1916428A (en) | Dual control automatic water injection method for pump control and pump pressure flow | |
| CN103256168B (en) | Off-grid hybrid transmission ocean current power generation device and control method thereof | |
| CN203382434U (en) | Hydraulic capstan electrohydraulic control system with adjustable output characteristics | |
| CN115855408A (en) | Test equipment for motor vibration test | |
| CN205344550U (en) | Electricity transmission system | |
| CN102522935A (en) | Generator speed regulation control system for dynamic simulation experiments | |
| CN102311048B (en) | Electro-hydraulic system for crawler crane | |
| CN105473399A (en) | Vehicle drive control | |
| CN102338030B (en) | Speed regulation control device for front-end speed-regulation-type wind power generator system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20200919 |