CN106739125A - Trash compactor is cut somebody's hair control device, method and trash compactor - Google Patents
Trash compactor is cut somebody's hair control device, method and trash compactor Download PDFInfo
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- CN106739125A CN106739125A CN201710118733.9A CN201710118733A CN106739125A CN 106739125 A CN106739125 A CN 106739125A CN 201710118733 A CN201710118733 A CN 201710118733A CN 106739125 A CN106739125 A CN 106739125A
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- hair
- somebody
- control unit
- cut somebody
- main pump
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
- B30B15/18—Control arrangements for fluid-driven presses controlling the reciprocating motion of the ram
- B30B15/20—Control arrangements for fluid-driven presses controlling the reciprocating motion of the ram controlling the speed of the ram, e.g. the speed of the approach, pressing or return strokes
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- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2807—Position switches, i.e. means for sensing of discrete positions only, e.g. limit switches
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
- F15B15/2869—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using electromagnetic radiation, e.g. radar or microwaves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Toxicology (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
Cut somebody's hair control device the present invention relates to a kind of trash compactor, method and trash compactor, wherein, control device of cutting somebody's hair includes hydraulic system (1) and control unit (2), hydraulic system (1) includes main pump (11), auxiliary pump (12) and for drive compressor cut somebody's hair (3) motion oil cylinder of cutting somebody's hair (14), it is the pattern of oil cylinder of cutting somebody's hair (14) fuel feeding that control unit (2) can be selected by main pump (11) and auxiliary pump (12) in (3) motion process of cutting somebody's hair, so that oil cylinder of cutting somebody's hair (14) drives (3) progressive speedup motion in the main stroke for advancing and/or retreating of cutting somebody's hair.Control device automaticity of cutting somebody's hair of the invention is higher, can make to cut somebody's hair and efficiently rubbish is compressed, to improve the disposal ability of trash compactor, can make to cut somebody's hair again and gradually be raised speed during speedup is moved, make the motion cut somebody's hair more steady, clamping stagnation is avoided the occurrence of, to improve the reliability of trash compactor work.
Description
Technical field
The present invention relates to technical field of waste treatment, more particularly to a kind of trash compactor cut somebody's hair control device, method and
Trash compactor.
Background technology
With the increase of China's rubbish quantum of output, the transhipment and treatment of rubbish are increasingly subject to pay attention to, and country it is also proposed rubbish
Rubbish receives " innoxious, minimizing, resource " principle of fortune treatment.In order to be focused on to rubbish, garbage transfer station meets the tendency of
And give birth to, the effect of garbage transfer station be exactly by rubbish through the rubbish in station after compressor is compacted, it is unified with big-and-middle-sized
Distant garbage disposal place is arrived in transport vehicle transport.Wherein, compressor is the key equipment of garbage transfer station, its core
Part is push head device, during being compressed to rubbish, cuts somebody's hair and does reciprocal telescopic action.But dress is cut somebody's hair in current industry
Put motion generally existing power consumption, the low problem of poorly efficient and reliability, it is difficult to meet rubbish it is more when process demand.
The content of the invention
Cut somebody's hair control device, method and trash compactor the purpose of the present invention is to propose to a kind of trash compactor, can made
The motion cut somebody's hair more high efficiency smooth.
To achieve the above object, first aspect present invention is cut somebody's hair control device, including liquid there is provided a kind of trash compactor
Pressure system and control unit, the hydraulic system include main pump, auxiliary pump and for driving compressor to push away cephalomotor oil cylinder of cutting somebody's hair,
It is the oil cylinder fuel feeding of cutting somebody's hair that the control unit can be selected by the main pump and auxiliary pump in the motion process of cutting somebody's hair
Pattern so that the progressive speedup motion in the main stroke for advancing and/or retreating of being cut somebody's hair described in hydraulic oil cylinder driving of cutting somebody's hair.
Further, the control unit can control described cutting somebody's hair in the main stroke for advancing and/or retreating with multi gear
Form does progressive speedup motion.
Further, the hydraulic system also includes the first reversal valve, and first reversal valve is located at the oil cylinder of cutting somebody's hair
Rod chamber and rodless cavity between, the differential connection of the oil cylinder of cutting somebody's hair can be realized, the control unit can be pushed away described
Hydraulic system is controlled to be closed according to the independent fuel feeding of main pump, the differential fuel feeding of main pump and main pump and auxiliary pump successively in the main stroke that head advances
Flow the pattern work of differential fuel feeding.
Further, the control unit can be controlled in the main stroke of the retrogressing of cutting somebody's hair hydraulic system successively according to
The pattern work of the independent fuel feeding of main pump and main pump and auxiliary pump interflow fuel feeding.
Further, the control unit includes timer, for obtaining the hydraulic system under current fuel feeding pattern
Duration, the control unit can continue to after meeting preset time value to control the hydraulic pressure system in current fuel feeding pattern
System switches to a kind of lower fuel feeding pattern.
Further, also including level sensor, for detecting the controlling level in compressor hopper, the control unit
Cut somebody's hair described in being controlled when material position reaches preset height value motion.
Further, also including pressure sensor, for detecting the cut somebody's hair in-oil cylinder oil pressure, the control unit energy
It is enough to control hydraulic system to switch to main pump list after the in-oil cylinder oil pressure of cutting somebody's hair reaches the default oil pressure relief of the auxiliary pump
The pattern of only fuel feeding, the fuel cut-off after the in-oil cylinder oil pressure of cutting somebody's hair reaches the default oil pressure relief of the main pump is described
Default oil pressure relief of the default oil pressure relief of main pump more than the auxiliary pump.
Further, also including displacement transducer of cutting somebody's hair, for detecting the movement position cut somebody's hair, the control unit
Can it is described cut somebody's hair move to also have predeterminable range from terminal when, control the hydraulic system to switch to the independent fuel feeding of main pump
Pattern.
Further, the displacement transducer of cutting somebody's hair includes magnetic survey tall sensor and bracing wire length measurement sensor, the magnetic survey
Redundancy detection can be realized between tall sensor and the bracing wire length measurement sensor.
Further, the displacement transducer of cutting somebody's hair also includes proximity switch, and the proximity switch is used to detect described pushing away
Whether head is retreated in place, and the control unit can be when the trigger signal of the proximity switch be received to the magnetic survey long pass
Sensor resets.
Further, the hydraulic system also includes at least two the second reversal valves being arranged in parallel, described at least two
Second reversal valve is located on the public oil feeding line that the main pump and auxiliary pump are connected with the big chamber of oil cylinder of cutting somebody's hair.
To achieve the above object, second aspect present invention provides a kind of trash compactor, including described in above-described embodiment
Trash compactor cut somebody's hair control device.
To achieve the above object, third aspect present invention is cut somebody's hair control method, hydraulic pressure system there is provided a kind of trash compactor
System includes main pump, auxiliary pump and for driving compressor to push away cephalomotor oil cylinder of cutting somebody's hair, and the control method includes：
It is the oil cylinder fuel feeding of cutting somebody's hair that control unit is selected by the main pump and auxiliary pump in the motion process of cutting somebody's hair
Pattern；
The control unit sends fuel feeding mode instruction to the main pump and auxiliary pump, to control the hydraulic oil cylinder driving institute of cutting somebody's hair
State the progressive speedup motion in the main stroke for advancing and/or retreating of cutting somebody's hair.
Further, the hydraulic system also includes the first reversal valve, and first reversal valve is located at the oil cylinder of cutting somebody's hair
Rod chamber and rodless cavity between, can realize the differential connection of the oil cylinder of cutting somebody's hair, the control unit to the main pump and
Auxiliary pump sends fuel feeding mode instruction, to control the progressive speedup fortune in the main stroke for advancing of being cut somebody's hair described in hydraulic oil cylinder driving of cutting somebody's hair
Dynamic step is specifically included：
The control unit controls the hydraulic system to be worked with the pattern of the independent fuel feeding of main pump, and continue first it is default when
Between；
After first Preset Time is reached, the control unit controls the hydraulic system with the differential fuel feeding of main pump
Pattern works, and continues the second Preset Time；
After second Preset Time is reached, the control unit controls the hydraulic system to collaborate with main pump and auxiliary pump
The pattern work of differential fuel feeding.
Further, the control unit sends fuel feeding mode instruction to the main pump and auxiliary pump, to control described cutting somebody's hair
The step of progressive speedup is moved in the main stroke for advancing of being cut somebody's hair described in hydraulic oil cylinder driving specifically includes：
The control unit controls the hydraulic system to be worked with the pattern of the independent fuel feeding of main pump, and continue the 3rd it is default when
Between；
After the 3rd Preset Time is reached, the control unit controls the hydraulic system to collaborate with main pump and auxiliary pump
The pattern work of fuel feeding.
Further, also include：
Controlling level in level sensor detection compressor hopper；
The control unit judges whether the controlling level in the hopper reaches preset height value, if it is controls institute
State advance of cutting somebody's hair.
Further, also include：
Whether the control unit judges the level sensor no signal output more than the 4th preset time value, if
Then control the hydraulic system fuel cut-off.
Further, also include：
Cut somebody's hair in-oil cylinder oil pressure described in pressure sensor detection；
Whether in-oil cylinder oil pressure of being cut somebody's hair described in the control unit judgement reaches the default oil pressure relief of the auxiliary pump, such as
Fruit is the pattern for controlling the hydraulic system to switch to the independent fuel feeding of main pump；
Whether in-oil cylinder oil pressure of being cut somebody's hair described in the control unit judgement reaches the default oil pressure relief of the main pump, institute
The default oil pressure relief of the default oil pressure relief more than the auxiliary pump of main pump is stated, if it is controls the hydraulic system to stop supplying
Oil.
Further, before the step of control unit controls the hydraulic system fuel cut-off, also include：
When the control unit controls the hydraulic system to keep the 5th to preset under the default oil pressure relief of the main pump
Between.
Further, also include：
The movement position cut somebody's hair described in displacement transducer of cutting somebody's hair detection；
Cut somebody's hair whether to move to described in the control unit judgement and also have predeterminable range from terminal, if it is control described
Hydraulic system switches to the pattern of the independent fuel feeding of main pump.
Further, the displacement transducer of cutting somebody's hair includes mutually realizing magnetic survey tall sensor and the drawing of redundancy detection
Line length measurement sensor, it is described cut somebody's hair displacement transducer detection described in cut somebody's hair movement position the step of specifically include：
The control unit receives the detection signal of the magnetic survey tall sensor and the bracing wire length measurement sensor simultaneously；
The control unit calculates the relative error of the magnetic survey tall sensor and the bracing wire length measurement sensor measured value
Value；
The control unit judges that whether the relative error magnitudes, less than preset error value, are if it is surveyed with the bracing wire
The measured value of tall sensor is defined, and otherwise continues to judge whether the magnetic survey tall sensor and the bracing wire length measurement sensor occur
Data are mutated, if the measured value of one of sensor is undergone mutation, are defined by the measured value of another sensor, described
Continuation of cutting somebody's hair is moved.
Further, the control method also includes：
Cut somebody's hair described in proximity switch detection and whether retreated in place；
The control unit resets when the trigger signal of the proximity switch is received to the magnetic survey tall sensor.
Based on above-mentioned technical proposal, trash compactor of the invention is cut somebody's hair control device, and control unit can be in fortune of cutting somebody's hair
It is dynamic rubbish is compressed during, selection is the pattern of oil cylinder fuel feeding of cutting somebody's hair by main pump and auxiliary pump, so that oil cylinder of cutting somebody's hair
Drive the progressive speedup motion in the main stroke for advancing and/or retreating of cutting somebody's hair.This kind of control device of cutting somebody's hair can be by control unit
Movement velocity to cutting somebody's hair is automatically controlled, to improve automaticity；And can make to cut somebody's hair efficiently rubbish is pressed
Contracting, to improve the disposal ability of trash compactor；Can also make to cut somebody's hair in addition and gradually be raised speed during speedup is moved, make to cut somebody's hair
Motion it is more steady, it is to avoid there is clamping stagnation, with improve trash compactor work reliability.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is that trash compactor of the present invention is cut somebody's hair scheme of installation of the control device in trash compactor；
Fig. 2 be trash compactor of the present invention in control push away cephalomotor hydraulic system principle figure；
Fig. 3 is the electrical schematic diagram of trash compactor push head device of the present invention；
Fig. 4 be trash compactor of the present invention cut somebody's hair control method one embodiment schematic flow sheet；
Fig. 5 is that trash compactor of the present invention control method of cutting somebody's hair is shown in the flow of one embodiment during advancing of cutting somebody's hair
It is intended to；
Fig. 6 is that the cut somebody's hair flow of the one embodiment of control method in fallback procedures of cutting somebody's hair of trash compactor of the present invention is shown
It is intended to；
Fig. 7 be trash compactor of the present invention cut somebody's hair control method another embodiment schematic flow sheet；
Fig. 8 be trash compactor of the present invention cut somebody's hair control method further embodiment schematic flow sheet.
Description of reference numerals
1st, hydraulic system；2nd, control unit；3rd, cut somebody's hair；4th, dustbin；5th, hopper；6th, level sensor；7th, pressure sensing
Device；8th, bracing wire length measurement sensor；9th, proximity switch；10th, magnetic survey tall sensor；11st, main pump；12nd, auxiliary pump；13rd, driver part；
14th, cut somebody's hair oil cylinder；15th, commutate valve group；Y1, the 3rd reversal valve；Y2, the 4th reversal valve；Y4, the first reversal valve；Y3/Y5, second
Reversal valve；Y6, the first overflow valve；Y7, the second overflow valve.
Specific embodiment
The present invention described further below.In the following paragraphs, the different aspect of embodiment is defined in more detail.So
The each side of restriction can be combined with any other one side or many aspects, not can be combined unless explicitly stated otherwise.Especially,
It is considered as that preferred or favourable any feature one or more can be considered as preferred or favourable feature group with other
Close.
The term descriptions merely for convenience such as " first ", " second " occurred in the present invention, have same names to distinguish
Different building blocks, be not offered as successively or primary-slave relation.
In the description of the invention, it is to be understood that term " length ", " width ", " height ", " on ", D score, " left side "
The orientation or position relationship of instructions such as " right sides " are, based on orientation shown in the drawings or position relationship, to be for only for ease of description originally
Invention, rather than indicate or imply signified device must have specific orientation, with specific azimuth configuration and operation, therefore
It is not intended that limiting the scope of the invention.
As depicted in figs. 1 and 2, cut somebody's hair control device the invention provides a kind of trash compactor, for garbage-compressing
3 motion of being cut somebody's hair in machine is controlled, and in a schematical embodiment, the control device includes hydraulic system 1 and control
Part 2.Hydraulic system 1 includes main pump 11, auxiliary pump 12, driver part 13 and oil cylinder 14 of cutting somebody's hair, and the flow deliverability of main pump 11 is big
In auxiliary pump 12, driver part 13 can receive the control instruction of the transmission of control unit 2, to drive main pump 11 and/or the/work of auxiliary pump 12
Make, for example, driver part 13 can select motor etc..Oil cylinder 14 of cutting somebody's hair is used to drive compressor to cut somebody's hair 3 motions, main pump 11 and pair
Pump 12 can to the rodless cavity fuel feeding of oil cylinder 14 of cutting somebody's hair with realize cutting somebody's hair 3 advance, rubbish is pressed into dustbin 4；It is main
Pump 11 and auxiliary pump 12 can to the rod chamber fuel feeding of oil cylinder 14 of cutting somebody's hair with realize cutting somebody's hair 3 retrogressing.
It is oil cylinder 14 of cutting somebody's hair that control unit 2 can be automatically selected by main pump 11 and auxiliary pump 12 in 3 motion processes of cutting somebody's hair
The pattern of fuel feeding, so that oil cylinder 14 of cutting somebody's hair drives the 3 progressive speedup motions in the main stroke for advancing and/or retreating of cutting somebody's hair.For example,
Control unit 2 can be realized by PLC, DSP or other hardware circuits etc..
Wherein, fuel feeding pattern may include one of scenario described below or combination：By single oil pump feed or Dual-pump flow-converging fuel feeding, change
Main pump 11 and auxiliary pump 12 in the course of the work the fuel supply flow rate of itself, change hydraulic system 1 in the connected relation of pipeline make main pump
11 or auxiliary pump 12 be supplied to the flow of oil cylinder 14 of cutting somebody's hair and change.The main stroke of 3 motions of cutting somebody's hair refers to cut somebody's hair 3 reach close
Stroke before the position of terminal, cut somebody's hair 3 reach close between the position of terminal and terminal distance constitute auxiliary stroke, it is excellent
Selection of land can control 3 decelerations of cutting somebody's hair in auxiliary stroke.
The illustrative examples control to cut somebody's hair and are moving progressive speedup in main stroke by control unit, can make height of cutting somebody's hair
Effect ground is compressed to rubbish, to improve the disposal ability of trash compactor, can make to cut somebody's hair again during speedup is moved by
Gradually raise speed, make the motion cut somebody's hair more steady, it is to avoid clamping stagnation occur, to improve the reliability of trash compactor work.Meanwhile, control
Part can automatically control the speed switching cut somebody's hair, and in the process without human intervention, improve trash compactor control
Automaticity and efficiency.
Those skilled in the art at least can realize the 3 speedups motions in main stroke is moved of cutting somebody's hair using following mode.
First, control unit 2 can control to cut somebody's hair and 3 continuous progressive speedup be done in the main stroke for advancing and/or retreating
Motion.
Second, control unit 2 can control to cut somebody's hair and 3 do progressive in multi gear form in the main stroke for advancing and/or retreating
Speedup is moved, and under a certain particular gears, 3 speed of cutting somebody's hair can keep constant or gradually increase.3 are cut somebody's hair in multi gear form
Do speedup motion can make to cut somebody's hair 3 under a certain gear speed continuous service it is in stable condition to reach for a period of time so that pushing away
First 3 motion is more steady.Particularly under a certain particular gears the constant mode of speed can simplify control complexity.
With reference to the hydraulic system principle figure shown in Fig. 2, a kind of 3 sides for doing speedup motion in multi gear form of cutting somebody's hair are given
Formula.Hydraulic system 1 also include the first reversal valve Y4, the first reversal valve Y4 be located at oil cylinder 14 of cutting somebody's hair rod chamber and rodless cavity it
Between, the differential connection of the oil cylinder 14 that can be cut somebody's hair by the switching realization of the first reversal valve Y4 working positions.Preferably, the first reversal valve
Y4 is three-position four-way valve, and two actuator ports of middle position are connected with oil inlet, when in use block oil inlet, to realize pushing away
The two chambers connection of hair oil cylinder 14.Preferably, the first reversal valve Y4 is magnetic valve, by control unit 2 first can be controlled to commutate
The switching of valve Y4 each working position.
For this kind of hydraulic system, alternatively, control unit 2 can control hydraulic pressure system in the main stroke for cutting somebody's hair 3 advances
System 1 collaborates the pattern of differential fuel feeding according to the independent fuel feeding of main pump 11, the differential fuel feeding of main pump 11 and main pump 11 and auxiliary pump 12 successively
Work.
Under the independent fuel feeding pattern of main pump 11, only rodless cavity fuel feeding from main pump 11 to oil cylinder 14 of cutting somebody's hair, fuel supply flow rate compared with
Small, oil cylinder 14 of cutting somebody's hair stretches out driving and cuts somebody's hair 3 with First Speed advance.Under the differential fuel feeding pattern of main pump 11, oil cylinder 14 of cutting somebody's hair
Rod chamber and rodless cavity are interconnected, while rodless cavity fuel feeding of the main pump 11 to oil cylinder 14 of cutting somebody's hair, the fluid of rod chamber
Rodless cavity, fuel supply flow rate increase are flowed to, oil cylinder 14 of cutting somebody's hair stretches out driving and cuts somebody's hair 3 with second speed advance.In main pump 11 and auxiliary pump
Under the patterns of the 12 differential fuel feeding in interflow, main pump 11 and the common rodless cavity fuel feeding to oil cylinder 14 of cutting somebody's hair of auxiliary pump 12, while rod chamber
Fluid also flow to rodless cavity, fuel supply flow rate further increases, oil cylinder 14 of cutting somebody's hair stretch out driving cut somebody's hair 3 with third speed advance.
Wherein, First Speed, second speed and third speed increase successively, 3 speed that when advancing there is third gear to progressively increase of cutting somebody's hair.
Alternatively, control unit 2 can control hydraulic system 1 successively according to main pump 11 in the main stroke of 3 retrogressings of cutting somebody's hair
The pattern work of independent fuel feeding and main pump 11 and the interflow of auxiliary pump 12 fuel feeding.
Under the independent fuel feeding pattern of main pump 11, only rod chamber fuel feeding from main pump 11 to oil cylinder 14 of cutting somebody's hair, fuel supply flow rate compared with
Small, the retraction driving of oil cylinder 14 of cutting somebody's hair cuts somebody's hair 3 with fourth speed retrogressing.Under main pump 11 and the interflow of auxiliary pump 12 fuel feeding pattern, main pump
11 and the common rod chamber fuel feeding to oil cylinder 14 of cutting somebody's hair of auxiliary pump 12, fuel supply flow rate increase, the retraction driving of oil cylinder 14 of cutting somebody's hair cut somebody's hair 3 with
5th speed is retreated.Wherein, the 5th speed be more than fourth speed, cut somebody's hair 3 retreat when with two grades of incremental speed.
Those skilled in the art can only select speed increase side given above in cut somebody's hair 3 advances or fallback procedures
Formula, it is also possible to cut somebody's hair 3 move forward and backward during increase mode from speed given above respectively, so as to cutting somebody's hair before 3
Can be moved during entering and retreating high efficiency smooth.
When 3 switching between the speed of different gears is cut somebody's hair in the control of control unit 2, it is necessary to sentence to switching time
It is disconnected.In a kind of preferred mode, speed switching time is determined by the time, control unit 2 includes timer, for obtaining
Duration of the hydraulic system 1 under current fuel feeding pattern, control unit 2 can continue default to meeting in current fuel feeding pattern
Hydraulic system 1 is controlled to switch to a kind of lower adjacent fuel feeding pattern after time value.Duration under a certain speed stage can
Obtained with by testing, will cut somebody's hair 3 moved in main stroke needed for time reasonably distributed, so as to cut somebody's hair 3 can put down
Quietly switch over, and this control mode need not rely on other sensors, it is more reliably, cost-effective.Alternatively, originally
Art personnel also can judge speed switching time by parameters such as the oil pressure of oil cylinder 14 of being cut somebody's hair during garbage truck.
In order that control unit 2 can be automatically controlled to 3 course of work of cutting somebody's hair, in addition it is also necessary to set various test sections
Part with judge to cut somebody's hair 3 setting in motion, stop motion and speed switching waiting time.In one embodiment of the invention, such as Fig. 1
Shown, detection part includes level sensor 6, the position on the edge on compressor hopper 5 is located at, for detecting compressor hopper
Controlling level in 5, such as level sensor 6 can select ultrasonic sensor.Control unit 2 can receive level sensor
6 signal, and start driver part 13 when material position reaches preset height value, to control to cut somebody's hair 3 to do flexible reciprocating motion, by rubbish
Rubbish is pushed into dustbin.The rubbish that preset height value is preferably set in hopper 5 can fill a full dustbin upon compression
4, so more rubbish can be processed by first compression process, improve garbage treatment efficiency.
When the rubbish in hopper 5 reaches preset height value, the electrical schematic diagram with reference to shown in Fig. 3, control unit 2 is first controlled
The contactor KM of driver part 13 (such as motor) carries out No Load Start, makes driver part 13 drive main pump 11 to rotate, and works as driving
After the soft start of part 13 is finished, then each reversal valve connected in hydraulic system 1 oil cylinder 14 that makes to cut somebody's hair is acted.So it is easier to make
The output torque of driver part 13 meets demand of the system to staring torque, it is ensured that system is smooth to be started, it is to avoid load is too big right
Driver part 13 causes to damage.
When control unit 2 judges that the output of the no signal of level sensor 6 more than the 4th preset time value (such as 6s), is then sentenced
Determine in hopper 5 without rubbish, now control the stop motion of driver part 13, realize energy-conservation.
By setting level sensor 6, the start and stop of driver part 13 can be realized to automatically control, without human intervention,
Improve automaticity, moreover it is possible to save energy.
As shown in figure 1, detection part may also include pressure sensor 7, may be provided in compressor near the cylinder of oil cylinder 14 of cutting somebody's hair
The position of cylinder end, for detecting the oil pressure cut somebody's hair in oil cylinder 14.As shown in Fig. 2 the fuel feeding of auxiliary pump 12 is oily in hydraulic system 1
First overflow valve Y6 is set on road, the second overflow valve Y7, the default overflow pressure of main pump 11 are set on the oil feeding line of main pump 11
Power (such as 25MPa) is more than the default oil pressure relief (such as 10MPa) of auxiliary pump 12, default oil pressure relief and the rubbish quilt of main pump 11
Real-time pressure is pressed to match.
During 3 advances of cutting somebody's hair, when cut somebody's hair 3 advanced with the speed of maximum when, if pressure sensor 7 is detected
The oil pressure in oil cylinder 14 of cutting somebody's hair reaches the default oil pressure relief of auxiliary pump 12, illustrates rubbish close to the state being compacted, and cuts somebody's hair 3 preceding
Main stroke during entering terminates, and into auxiliary stroke, now the control of control unit 2 hydraulic system 1 switches to main pump 11 independent
The pattern of fuel feeding, making to cut somebody's hair 3 switches to First Speed low-speed forward.
If pressure sensor 7 detects the default oil pressure relief that the oil pressure cut somebody's hair in oil cylinder 14 reaches main pump 11, explanation
Rubbish reaches substantially to compaction state, the now control of control unit 2 fuel cut-off of main pump 11.Cut somebody's hair in the auxiliary stroke before 3 low speed
Enter the compacted density that can improve rubbish, reduce rubbish bounce-back.More preferably, the oil pressure in oil cylinder 14 of cutting somebody's hair reaches main pump 11
After default oil pressure relief, the control of control unit 2 hydraulic system 1 keeps the 5th Preset Time under the default oil pressure relief of main pump 11
(such as 4s), then fuel cut-off again, can so make to cut somebody's hair after garbage truck 3 persistently provides thrust, further improves
The compacted density of rubbish.In addition, cut somebody's hair 3 in motion process in the event of stuck, it is also possible to reach the default of main pump 11 and overflow
Flowing pressure, at this moment the second overflow valve Y7 can play a part of 3 to carry out safeguard protection to cutting somebody's hair.
Further, detection part may also include displacement transducer of cutting somebody's hair, for detect cut somebody's hair 3 movement position.Control
Part 2 can cut somebody's hair 3 move to also have predeterminable range (such as 0.2m) from terminal when, control hydraulic system 1 switch to main pump
The pattern of 11 independent fuel feeding.For example, if quantity of refuse is less, during 3 advances of cutting somebody's hair, the oil pressure cut somebody's hair in oil cylinder 14 is also not
To auxiliary pump 12 oil pressure relief when, cutting somebody's hair 3 proceeds to position, then need to terminate needs using the main stroke of position judgment to subtract
The opportunity that speed is advanced.During 3 retrogressings of cutting somebody's hair, also can a retarded motion when that will back to.Thus, in 3 fortune of cutting somebody's hair
Position judgment is introduced during dynamic can avoid structural member from producing the collision of rapid high intensity, reach the purpose of steady commutation.
In order to reliably be detected to 3 movement position of cutting somebody's hair, as shown in figures 1 and 3, displacement transducer of cutting somebody's hair
Including magnetic survey tall sensor 10 and bracing wire length measurement sensor 8, can be real between magnetic survey tall sensor 10 and bracing wire length measurement sensor 8
Existing redundancy detection.The mode of redundancy detection can improve the reliability and accuracy of 3 displacement detectings of cutting somebody's hair, so as to improve compressor fortune
Row and the reliability of operation.
Wherein, magnetic survey tall sensor 10 is the displacement that oil cylinder 14 of cutting somebody's hair is detected using magnetic fields, is located near oil of cutting somebody's hair
The position of the piston rod free end of cylinder 14.Bracing wire length measurement sensor 8 is located at the side of the cylinder barrel of oil cylinder 14 of cutting somebody's hair, and cotton rope connects with piston rod
Connect, the transmission mechanism and angular sensor synchronous axial system of the dynamic sensor internal of pulls wire rope band when piston rod stretches out；When
When piston rod is retracted, the automatic revolving gear of sensor internal will automatically retract cotton rope.Bracing wire length measurement sensor 8 has precision
The advantages of high, reproducible, detection reliability high, long lifespan.
In detection process, control unit 2 receives the detection letter of magnetic survey tall sensor 10 and bracing wire length measurement sensor 8 simultaneously
Number, and the relative error magnitudes of both measured values are calculated, then relative error magnitudes are judged, if relative error magnitudes are less than pre-
If error amount (such as 5mm), then the measured value by bracing wire length measurement sensor 8 is defined, due to the cotton rope in bracing wire length measurement sensor 8
Moved with testee, with Measurement reliability higher.If relative error magnitudes exceed preset error value, continue to sentence
Whether disconnected magnetic survey tall sensor 10 and bracing wire length measurement sensor 8 there is data mutation, if the detected value of one of sensor
Undergo mutation, then the detected value by another sensor is defined, control unit 2 controls 3 continuation campaigns of cutting somebody's hair, and further may be used also
By control unit 2 by the display interface of sensor fault feedback of the information to host computer, to point out user to safeguard in time, such energy
Ensure system normal operation in a short time during one of sensor failure.If there are data in two sensors
Mutation is not undergone mutation, and control unit 2 controls 3 stop motions of cutting somebody's hair.
On this basis, displacement transducer of cutting somebody's hair may also include proximity switch 9, and proximity switch 9 is located at the cylinder of oil cylinder 14 of cutting somebody's hair
Whether cylinder is provided with one end of opening, for detecting to cut somebody's hair 3 retreat in place.Control unit 2 can receive touching for proximity switch 9
Magnetic survey tall sensor 10 is reset during signalling.The error that the long-term motion of magnetic survey tall sensor 10 is brought can be so prevented effectively from
Accumulation, or oil cylinder 14 of cutting somebody's hair in the power-off state stretches out the measurement error for causing.
In another embodiment of the present invention, hydraulic system 1 also includes at least two the second reversal valves being arranged in parallel,
Second reversal valve is labeled as Y3 and Y5 in fig. 2, and at least two second reversal valves are located at main pump 11 and auxiliary pump 12 and oil cylinder of cutting somebody's hair
On the connected public oil feeding line in 14 big chambers.In order to easy for installation, at least two second reversal valves can form commutation valve group 15,
In compressor, other reversal valves are may also comprise in commutation valve group 15.And, at least two second reversal valves can make phase
Same specification.
Preferably, the second reversal valve is three-position four-way valve, and middle position is O shape functions, the energy when two work in left and right is switched to
Enough rod chambers and rodless cavity fuel feeding for being respectively oil cylinder 14 of cutting somebody's hair.Preferably, the second reversal valve is magnetic valve, the energy of control unit 2
Magnetic valve is enough automatically controlled to switch between different operating position.
The embodiment can improve the fuel supply flow rate of hydraulic system 1 by the way that the second reversal valve is used in parallel, again can be at it
In second reversal valve when breaking down, cutting somebody's hair 3 remains to normal work, simply cut somebody's hair 3 movement velocity reduction, so as to improve
The reliability of trash compactor work.
In order that those skilled in the art are fully understood by trash compactor of the present invention and cut somebody's hair the operation principle of control device, under
Face will combine the hydraulic system principle figure shown in Fig. 2 and the electric control theory figure shown in Fig. 3 to be described in detail.
In the hydraulic system 1 shown in Fig. 2, including the first reversal valve Y4, two the second reversal valve Y3 being arranged in parallel and
Y5, sets the 3rd reversal valve Y1 on the oil feeding line of auxiliary pump 12, the 4th reversal valve Y2 is set on the oil feeding line of main pump 11.
Wherein, the first reversal valve Y4 is three-position four-way valve, and middle position is y-function, and the working position of left and right two is respectively by electromagnetism
Coil S6 and S7 are controlled, and can realize the switching of oil-feed oil circuit and oil return circuit.Two actuator ports of the first reversal valve Y4 point
Rodless cavity and rod chamber not with oil cylinder 14 of cutting somebody's hair are connected.
Second reversal valve Y3 and Y5 is three-position four-way valve, and middle position is O-shaped function, the work of left and right two of the second reversal valve Y3
Position is controlled by magnet coil S4 and S5 respectively, and the working position of left and right two of the second reversal valve Y5 is controlled by magnet coil S8 and S9 respectively
System, can realize the switching of oil-feed oil circuit and oil return circuit.One of actuator port and oil of cutting somebody's hair of second reversal valve Y3, Y5
The rodless cavity connection of cylinder 14, another actuator port passes through check valve unilaterally connected, oil of cutting somebody's hair with the rod chamber of oil cylinder 14 of cutting somebody's hair
The oil return of the rod chamber when stretching out of cylinder 14 is by the first reversal valve Y4 oil returns, or the shape when the first reversal valve Y4 switches to middle position
Into differential connection.
3rd reversal valve Y1 is three-position four-way valve, and middle position is H type functions, and the working position of left and right two is respectively by magnet coil S1
With S2 controls, the switching of oil-feed oil circuit and oil return circuit can be realized, connected between the oil inlet and oil return opening of the 3rd reversal valve Y1
Meet the first overflow valve Y6.Auxiliary pump 12 can be by the 3rd reversal valve Y1 to oil cylinder 14 or other the executing agency's fuel feeding of cutting somebody's hair.4th
Reversal valve Y2 is two position and four-way reversing valves, and magnet coil S2 is set near left working position, and right working position is H type functions, and the 4th changes
To connecting the second overflow valve Y7 between one of actuator port and oil return opening of valve Y2.
In the electrical schematic diagram shown in Fig. 3, control unit 2 is connected with the magnet coil in each reversal valve, control unit
Part 2 is also connected with magnetic survey tall sensor 10, level sensor 6, pressure sensor 7, bracing wire length measurement sensor 8 and proximity switch 9.
During 3 motions of cutting somebody's hair, the switching of speed stage can generalized time, cut somebody's hair position and oil pressure to be controlled, to realize
What trash compactor worked automatically controls.
After electricity on trash compactor, control unit 2 receives the controlling level signal of the detection of level sensor 6, one end material
Position exceed preset height value, all magnetic valves must not electricity in the case of, the contactor KM No Load Starts of motor, motor belt motor
Dynamic main pump 11 rotates.After soft starter for motor is finished, magnet coil S3, S5, S7, S9 obtain electric, cut somebody's hair oil cylinder 14 with main pump 11
Under the consistent pressure of oil pressure relief (such as 25MPa), by the second reversal valve Y3 and Y5 jointly to the rodless cavity of oil cylinder 14 of cutting somebody's hair
Fuel feeding, cut somebody's hair oil cylinder 14 under the independent fuel feeding pattern of big pump 11 with First Speed low-speed forward.
When cut somebody's hair 3 according to First Speed operation continue the first Preset Time (such as 4s) after, magnet coil S7 dead electricity is cut somebody's hair
The oil return of the rod chamber of oil cylinder 14 returns to the rodless cavity of oil cylinder 14 of cutting somebody's hair by the middle position of the first reversal valve Y4, with the second reversal valve Y3
With the differential fuel feeding of Y5 together fuel feeding, before being promoted to second speed under the pattern of the differential fuel feeding of main pump 11 with the oil cylinder 14 that causes to cut somebody's hair
Enter.
When cut somebody's hair 3 with second speed operation continue the second Preset Time (such as 4s) after, magnet coil S1 also electric, auxiliary pump
12 are collaborated by the 3rd reversal valve Y1 with main pump 11, and supply to the rodless cavity of oil cylinder 14 of cutting somebody's hair by the pattern of differential fuel feeding
Oil, oil cylinder 14 of cutting somebody's hair is continued to lift up to third speed and advanced.So far, oil cylinder 14 of cutting somebody's hair drives the 3 gradual speed of completion third gear of cutting somebody's hair
Degree lifting, and advanced with maximal rate.
When pressure sensor 7 detects oil pressure relief (such as 10MPa) of the oil pressure cut somebody's hair in oil cylinder 14 more than auxiliary pump 12
When, only magnet coil S3, S5, S7, S9 obtains electric, hydraulic system 1 is switched to the independent fuel feeding pattern of main pump 11, makes oil cylinder 14 of cutting somebody's hair
Switch to First Speed low-speed forward.When pressure reaches oil pressure relief (such as the 25MPa) of main pump 11, control unit 2 is controlled
Oil cylinder 14 of cutting somebody's hair pauses the 5th Preset Time (such as 4s) under the oil pressure relief of main pump 11, to improve the closely knit of garbage-compressing
Degree, reduces rubbish bounce-back.
Or when quantity of refuse is less, cut somebody's hair 3 advance to from terminal also have predeterminable range (such as 0.2m) when, only electromagnetic wire
Circle S3, S5, S7, S9 obtain electric, and oil cylinder 14 of cutting somebody's hair is switched to the independent fuel feeding pattern of main pump 11 with First Speed low-speed forward, it is ensured that low
Fast incoming terminal, it is to avoid the rapid high intensity collision of structural member, reaches the purpose of steady commutation.Oil pressure in oil cylinder 14 of cutting somebody's hair
When reaching oil pressure relief (such as the 25MPa) of main pump 11, pause the 5th Preset Time (such as 4s).
Cut somebody's hair 3 advance to terminal when, switch to magnet coil S3, S4, S6, S8 to obtain electric, hydraulic system 1 is switched to master
The independent fuel feeding pattern of pump 11, the oil cylinder 14 that makes to cut somebody's hair drives and cuts somebody's hair 3 with fourth speed ease astern.
When cut somebody's hair 3 with fourth speed operation continue the 3rd Preset Time (such as 4s) after, magnet coil S1 also it is electric, make liquid
Pressure system 1 switches to main pump 11 and the interflow of auxiliary pump 12 fuel feeding pattern, the oil cylinder 14 that makes to cut somebody's hair drive cut somebody's hair 3 be promoted to the 5th speed after
Move back.When 3 retrogressings of cutting somebody's hair extremely also have predeterminable range (such as 0.2m) from terminal, magnet coil S1 dead electricity switches hydraulic system 1
It is the independent fuel feeding pattern of main pump 11 with fourth speed ease astern, it is to avoid structure high intensity is collided, while reducing operating noise.
Cut somebody's hair 3 back to stroke terminal when, proximity switch 9 is triggered, and control unit 2 performs magnetic survey tall sensor 10
Zeros data so that cut somebody's hair 3 detecting distance zero.If level sensor is detected in hopper 5, still to have rubbish to reach default
During controlling level, then cut somebody's hair and 3 continue to stretch out, repeat the above steps.
Secondly, present invention also offers a kind of trash compactor, including trash compactor described in above-described embodiment is cut somebody's hair
Control device.The trash compactor operationally, at least possesses one of advantages below：Can realize automatically controlling, automate journey
Degree is higher；And cut somebody's hair 3 stable movements efficiently, reliable operation；Energy saving in the course of the work.
Finally, cut somebody's hair control method (follow-up abbreviation control method) present invention also offers a kind of trash compactor, can base
The trash compactor be given in the various embodiments described above is cut somebody's hair control device.The content elaborated in control device theme,
Be will not be described in further detail in control method theme, the content in the two themes can be used for reference mutually.
In a schematical embodiment, hydraulic system 1 includes main pump 11, auxiliary pump 12 and for driving compressor to cut somebody's hair
The oil cylinder 14 of cutting somebody's hair of 3 motions.Schematic flow sheet as shown in Figure 4, control method of the invention includes：
It is oil cylinder 14 of cutting somebody's hair that step 101, control unit 2 are selected by main pump 11 and auxiliary pump 12 in 3 motion processes of cutting somebody's hair
The pattern of fuel feeding；
Step 102, control unit 2 send fuel feeding mode instruction to main pump 11 and auxiliary pump 12, to control oil cylinder 14 of cutting somebody's hair to drive
The dynamic 3 progressive speedup motions in the main stroke for advancing and/or retreating of cutting somebody's hair.
Step 101 is likely to perform in the whole movement travel for cutting somebody's hair 3.The control method of cutting somebody's hair of the embodiment can be
Cut somebody's hair movement velocity is automatically controlled during moving, can make to cut somebody's hair efficiently is compressed to rubbish, to improve
The disposal ability of trash compactor, can make to cut somebody's hair and gradually be raised speed during speedup is moved again, make the motion cut somebody's hair more steady,
Clamping stagnation is avoided the occurrence of, to improve the reliability of trash compactor work.
As shown in Fig. 2 hydraulic system 1 is also located at having for oil cylinder 14 of cutting somebody's hair including the first reversal valve Y4, the first reversal valve Y4
Between rod cavity and rodless cavity, the differential connection of the oil cylinder 14 that can realize cutting somebody's hair.For the hydraulic pressure system of this kind of achievable differential connection
System 1, in the main stroke for cutting somebody's hair 3 advances, schematic flow sheet as shown in Figure 5, step 102 is specifically included：
Step 201, the control hydraulic system 1 of control unit 2 are worked with the pattern of the independent fuel feeding of main pump 11, and it is pre- to continue first
If the time (such as 4s)；
Step 202, after the first Preset Time is reached, control unit 2 control hydraulic system 1 with the differential fuel feeding of main pump 11
Pattern works, and continues the second Preset Time (such as 4s)；
Step 203, after the second Preset Time is reached, control unit 2 control hydraulic system 1 closed with main pump 11 and auxiliary pump 12
Flow the pattern work of differential fuel feeding.
Step 201~203 order is performed, and is capable of achieving cut somebody's hair 3 speed progressively increased with third gear during advance, energy
Enough make to cut somebody's hair 3 has efficiency higher, and stable movement during advance.
Alternatively, in the 3 front and rear main strokes for moving back of cutting somebody's hair, schematic flow sheet as shown in Figure 6, step 102 is specifically included：
Step 301, the control hydraulic system 1 of control unit 2 are worked with the pattern of the independent fuel feeding of main pump 11, and it is pre- to continue the 3rd
If the time (such as 4s)；
Step 302, after the 3rd Preset Time is reached, control unit 2 control hydraulic system 1 closed with main pump 11 and auxiliary pump 12
Flow the pattern work of fuel feeding.
Step 301~302 order is performed, and be capable of achieving to cut somebody's hair 3 has two grades of speed for progressively increasing, energy in fallback procedures
Enough make to cut somebody's hair 3 has efficiency higher, and stable movement during retrogressing.Certainly, in a specific embodiment,
Control unit 2 control cut somebody's hair 3 during advance according to step 201~203 work, in fallback procedures according to step 301~
302 work, this two groups of steps are alternately performed.
In order to the opportunity of 3 start-up operations of judging to cut somebody's hair, the schematic flow sheet with reference to shown in Fig. 7, control of the invention
Method processed may also include：
Controlling level in step 100, the detection compressor of level sensor 6 hopper 5；
Step 100A, control unit 2 judge whether the controlling level in hopper 5 reaches preset height value, if it is hold
Row step 100B, otherwise performs step 100C；
Step 100B, control unit 2 control 3 advances of cutting somebody's hair；
Step 100C, cutting somebody's hair 3 does not work.
Further, hydraulic system 1 also includes driving the driver part 13 of main pump 11 and the work of auxiliary pump 12, again referring to Fig. 7,
Control method of the invention also includes：
Step 103, control unit 2 judge whether level sensor 6 has signal output, if it is perform step 100A,
Otherwise perform step 103 '；
Step 103 ', judge the no signal of level sensor 6 output whether more than the 4th preset time value (such as 6s), if
It is then to perform step 104, otherwise controls hydraulic system 1 to continue fuel feeding, fuel system can be selected by step 101；
Step 104, the control fuel cut-off of hydraulic system 1 of control unit 2, specifically can control driver part 13 and stop work
Make；
Wherein, step 100 can be continuously carried out in compressor whole work process.The embodiment is sensed by setting material position
The start and stop of driver part 13 can be realized automatically controlling by device 6, without human intervention, improve automaticity, moreover it is possible to save
The energy.
In another embodiment of the present invention, the main stroke of 3 motions of judging to cut somebody's hair by setting pressure sensor 7 is
No end, schematic flow sheet as shown in Figure 8, control method of the invention also includes：
Step 105, pressure sensor 7 detect the oil pressure cut somebody's hair in oil cylinder 14；
Step 106, control unit 2 judge whether the oil pressure cut somebody's hair in oil cylinder 14 reaches the default oil pressure relief of auxiliary pump 12
(such as 10MPa), if it is controls hydraulic system 1 to switch to the pattern of the independent fuel feeding of main pump 11, otherwise still keeps main pump 11
Collaborate differential fuel feeding pattern with auxiliary pump 12；
Step 107, control unit 2 judge whether the oil pressure cut somebody's hair in oil cylinder 14 reaches the default oil pressure relief of main pump 11
(such as 25MPa), the default oil pressure relief of the default oil pressure relief more than auxiliary pump 12 of main pump 11, if it is controls hydraulic system
1 fuel cut-off, otherwise continues to keep the independent fuel feeding pattern of main pump 11.
Wherein, step 105 can be continuously carried out in compressor whole work process, and step 106 and 107 orders are performed, and
Step 106 and 107 is located at execution after step 102.The embodiment by setting pressure sensor 7, can cut somebody's hair 3 will before
When proceeding to terminal, the low-speed forward in auxiliary stroke, it is possible to increase the compacted density of rubbish reduces rubbish bounce-back, and increase is pushed away
The security of first 3 work.
Further, if by judging that the default oil pressure relief of main pump 11 overflows more than the default of auxiliary pump 12 in step 107
Flowing pressure, before the step of step 104 controls 1 fuel cut-off of hydraulic system, control method of the invention may also include：
Step 107 ', control unit 2 control hydraulic system 1 is kept under the default oil pressure relief of main pump 11 the 5th preset when
Between (such as 4s).Can so make to cut somebody's hair after garbage truck and 3 persistently provide thrust, the compacting for further improving rubbish is close
Degree.
In yet another embodiment of the present invention, the control method may also include：
Step 108, displacement transducer of cutting somebody's hair detection cut somebody's hair 3 movement position；
Whether step 109, control unit 2 judge to cut somebody's hair 3 moves to and also has predeterminable range from terminal, if it is controls liquid
Pressure system 1 switches to the pattern of the independent fuel feeding of main pump 11, continues to keep main pump 11 and auxiliary pump otherwise in the state of 3 advances of cutting somebody's hair
The pattern of the 12 differential fuel feeding in interflow, or continue to keep main pump 11 and auxiliary pump 12 to collaborate fuel feeding in the state of 3 retrogressings of cutting somebody's hair
Pattern.
Wherein, step 108 can be continuously carried out in the whole movement travel for cutting somebody's hair 3, and step 109 be located at step 102 it
After perform.For the embodiment, during 3 advances of cutting somebody's hair, if quantity of refuse is less, can be by position judgment come really
It is fixed whether to will move to stroke terminal, so as to cut somebody's hair 3 slow down in time, so as to improve the compacted density of rubbish, and improve and cut somebody's hair 3
The reliability of work.When the embodiment can also will move to stroke terminal during 3 retrogressings of cutting somebody's hair, make to cut somebody's hair 3 timely
Slow down, so as to avoid structural member from producing the collision of rapid high intensity, reach the purpose of steady commutation.
Preferably, displacement transducer of cutting somebody's hair includes mutually realizing that the magnetic survey tall sensor 10 of redundancy detection and bracing wire are surveyed
Tall sensor 8, step 108 is specifically included：
Step 108A, control unit 2 receive the detection signal of magnetic survey tall sensor 10 and bracing wire length measurement sensor 8 simultaneously；
Step 108B, control unit 2 calculate the relative error of magnetic survey tall sensor 10 and the measured value of bracing wire length measurement sensor 8
Value；
Step 108C, control unit 2 judge that whether relative error magnitudes, less than preset error value, are if it is surveyed with bracing wire and grown
The measured value of sensor 8 is defined, and otherwise continues executing with step 108D；
Step 108D, judge magnetic survey tall sensor 10 and bracing wire length measurement sensor 8 whether occur data mutation, if wherein
The measured value of one sensor is undergone mutation, then the measured value by another sensor is defined, control unit 2 control cut somebody's hair 3 after
Reforwarding is moved；If two measured values of sensor are undergone mutation or do not undergone mutation, 3 are cut somebody's hair by the control of control unit 2
Stop motion.
Further, whether it is additionally provided with the detection of proximity switch 9 and cuts somebody's hair and 3 retreat in place, control method of the invention also includes：
Step 200, whether the detection of proximity switch 9 is cut somebody's hair 3 retreat in place；
Step 200 ', control unit 2 resets when the trigger signal of proximity switch 9 is received to magnetic survey tall sensor 10.
Wherein, step 200 can be continuously carried out in the whole movement travel for cutting somebody's hair 3.Can so magnetic survey be prevented effectively from long
The accumulation of error that the long-term motion of sensor 10 is brought, or oil cylinder 14 of cutting somebody's hair in the power-off state stretches out the measurement error for causing.
Step 108,109,108A~108D, 200,200 ' in the various embodiments described above are not shown in figure.
Cut somebody's hair to a kind of trash compactor provided by the present invention above control device, method and trash compactor is carried out
It is discussed in detail.Specific embodiment used herein is set forth to principle of the invention and implementation method, and the above is implemented
The explanation of example is only intended to help and understands the method for the present invention and its core concept.It should be pointed out that general for the art
For logical technical staff, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, this
A little improvement and modification are also fallen into the protection domain of the claims in the present invention.
Claims (22)
1. a kind of trash compactor is cut somebody's hair control device, it is characterised in that described including hydraulic system (1) and control unit (2)
Hydraulic system (1) including main pump (11), auxiliary pump (12) and for drive compressor cut somebody's hair (3) motion oil cylinder of cutting somebody's hair (14), institute
Stating control unit (2) can select by the main pump (11) and auxiliary pump (12) to be described in described (3) motion process of cutting somebody's hair
Cut somebody's hair the pattern of oil cylinder (14) fuel feeding so that the oil cylinder of cutting somebody's hair (14) drive it is described cut somebody's hair (3) advance and/or retrogressing master
Progressive speedup motion in stroke.
2. trash compactor according to claim 1 is cut somebody's hair control device, it is characterised in that control unit (2) energy
(3) are cut somebody's hair described in enough control and does progressive speedup motion in multi gear form in the main stroke for advancing and/or retreating.
3. trash compactor according to claim 2 is cut somebody's hair control device, it is characterised in that the hydraulic system (1) is also
Including the first reversal valve (Y4), first reversal valve (Y4) be located at the oil cylinder (14) of cutting somebody's hair rod chamber and rodless cavity it
Between, the differential connection of oil cylinder (14) of cutting somebody's hair can be realized, the control unit (2) can be in described (3) advance of cutting somebody's hair
Control hydraulic system (1) successively according to main pump (11) independent fuel feeding, main pump (11) differential fuel feeding and main pump (11) in main stroke
The pattern for collaborating differential fuel feeding with auxiliary pump (12) works.
4. trash compactor according to claim 2 is cut somebody's hair control device, it is characterised in that control unit (2) energy
It is enough to control hydraulic system (1) successively according to the independent fuel feeding of main pump (11) and main pump in the main stroke of (3) retrogressing of cutting somebody's hair
(11) and auxiliary pump (12) interflow fuel feeding pattern work.
5. trash compactor according to claim 1 is cut somebody's hair control device, it is characterised in that control unit (2) bag
Timer is included, for obtaining duration of the hydraulic system (1) under current fuel feeding pattern, control unit (2) energy
It is enough to continue to after meeting preset time value to control the hydraulic system (1) to switch to a kind of lower fuel feeding mould in current fuel feeding pattern
Formula.
6. trash compactor according to claim 1 is cut somebody's hair control device, it is characterised in that also including level sensor
(6), for detecting the controlling level in compressor hopper (5), the control unit (2) can reach preset height value in material position
When described cut somebody's hair (3) of control move.
7. trash compactor according to claim 1 is cut somebody's hair control device, it is characterised in that also including pressure sensor
(7), for detecting the oil pressure cut somebody's hair in oil cylinder (14), the control unit (2) can be in the oil cylinder of cutting somebody's hair (14)
Oil pressure reach and control after the default oil pressure relief of the auxiliary pump (12) hydraulic system (1) to switch to main pump (11) individually fuel feeding
Pattern, the oil pressure in the oil cylinder of cutting somebody's hair (14) reaches fuel cut-off after the default oil pressure relief of the main pump (11), described
Default oil pressure relief of the default oil pressure relief of main pump (11) more than the auxiliary pump (12).
8. trash compactor according to claim 1 is cut somebody's hair control device, it is characterised in that also including displacement sensing of cutting somebody's hair
Device, for detecting the movement position for cutting somebody's hair (3), the control unit (2) can be moved to from terminal in cut somebody's hair (3)
Also predeterminable range when, control the hydraulic system (1) to switch to the pattern of the independent fuel feeding of main pump (11).
9. trash compactor according to claim 8 is cut somebody's hair control device, it is characterised in that the displacement transducer of cutting somebody's hair
Including magnetic survey tall sensor (10) and bracing wire length measurement sensor (8), long pass is surveyed in the magnetic survey tall sensor (10) and the bracing wire
Sensor can realize redundancy detection between (8).
10. trash compactor according to claim 9 is cut somebody's hair control device, it is characterised in that the displacement sensing of cutting somebody's hair
Device also includes proximity switch (9), the proximity switch (9) for detecting whether cut somebody's hair (3) retreat in place, the control unit
Part (2) can reset when the trigger signal of the proximity switch (9) is received to the magnetic survey tall sensor (10).
11. trash compactors according to claim 1 are cut somebody's hair control device, it is characterised in that the hydraulic system (1) is also
Including at least two the second reversal valves being arranged in parallel, the second reversal valve described at least two is located at the main pump (11) and auxiliary pump
(12) on the public oil feeding line being connected with the big chamber of the oil cylinder of cutting somebody's hair (14).
A kind of 12. trash compactors are cut somebody's hair control method, it is characterised in that hydraulic system (1) includes main pump (11), auxiliary pump (12)
With for driving compressor to cut somebody's hair the oil cylinder of cutting somebody's hair (14) of (3) motion, the control method includes：
Control unit (2) selects to be pushed away for described by the main pump (11) and auxiliary pump (12) in described (3) motion process of cutting somebody's hair
The pattern of hair oil cylinder (14) fuel feeding；
The control unit (2) sends fuel feeding mode instruction to the main pump (11) and auxiliary pump (12), to control the oil of cutting somebody's hair
(3) progressive speedup in the main stroke for advancing and/or retreating of being cut somebody's hair described in cylinder (14) driving is moved.
13. trash compactors according to claim 12 are cut somebody's hair control method, it is characterised in that the hydraulic system (1)
Also include the first reversal valve (Y4), first reversal valve (Y4) be located at the oil cylinder (14) of cutting somebody's hair rod chamber and rodless cavity it
Between, the differential connection of oil cylinder (14) of cutting somebody's hair can be realized, the control unit (2) is to the main pump (11) and auxiliary pump (12)
Fuel feeding mode instruction is sent, to control described (3) progressive increasing in the main stroke for advancing of being cut somebody's hair described in oil cylinder (14) driving of cutting somebody's hair
The step of speed motion, specifically includes：
The control unit (2) controls the hydraulic system (1) to be worked with the pattern of the independent fuel feeding of main pump (11), and continues first
Preset Time；
After first Preset Time is reached, the control unit (2) controls the hydraulic system (1) differential with main pump (11)
The pattern work of fuel feeding, and continue the second Preset Time；
After second Preset Time is reached, the control unit (2) controls the hydraulic system (1) with main pump (11) and pair
Pump (12) collaborates the pattern work of differential fuel feeding.
14. trash compactors according to claim 12 are cut somebody's hair control method, it is characterised in that the control unit (2)
Fuel feeding mode instruction is sent to the main pump (11) and auxiliary pump (12), to control described cutting somebody's hair cut somebody's hair described in oil cylinder (14) driving
(3) the step of progressive speedup is moved in the main stroke for advancing specifically includes：
The control unit (2) controls the hydraulic system (1) to be worked with the pattern of the independent fuel feeding of main pump (11), and continues the 3rd
Preset Time；
After the 3rd Preset Time is reached, the control unit (2) controls the hydraulic system (1) with main pump (11) and pair
The pattern work of pump (12) interflow fuel feeding.
15. trash compactors according to claim 12 are cut somebody's hair control method, it is characterised in that also included：
Level sensor (6) detects the controlling level in compressor hopper (5)；
The control unit (2) judges whether the controlling level in the hopper (5) reaches preset height value, if it is controls
Described (3) advance of cutting somebody's hair.
16. trash compactors according to claim 15 are cut somebody's hair control method, it is characterised in that also included：
Whether the control unit (2) judges the output of the level sensor (6) no signal more than the 4th preset time value, if
It is to control the hydraulic system (1) fuel cut-off.
17. trash compactors according to claim 12 are cut somebody's hair control method, it is characterised in that also included：
The oil pressure cut somebody's hair in oil cylinder (14) described in pressure sensor (7) detection；
Whether the oil pressure cut somebody's hair in oil cylinder (14) described in control unit (2) judgement reaches the default overflow of the auxiliary pump (12)
Pressure, if it is controls the hydraulic system (1) to switch to the pattern of the independent fuel feeding of main pump (11)；
Whether the oil pressure cut somebody's hair in oil cylinder (14) described in control unit (2) judgement reaches the default overflow of the main pump (11)
Pressure, the default oil pressure relief of the default oil pressure relief more than the auxiliary pump (12) of the main pump (11), if it is controls institute
State hydraulic system (1) fuel cut-off.
18. trash compactors according to claim 17 are cut somebody's hair control method, it is characterised in that in the control unit
(2) before the step of controlling hydraulic system (1) fuel cut-off, also include：
The control unit (2) controls the hydraulic system (1) that the 5th is kept under the default oil pressure relief of the main pump (11)
Preset Time.
19. trash compactors according to claim 12 are cut somebody's hair control method, it is characterised in that also included：
Cut somebody's hair described in displacement transducer of cutting somebody's hair detection the movement position of (3)；
The control unit (2) judge described in cut somebody's hair (3) whether move to and also have predeterminable range from terminal, if it is control institute
State the pattern that hydraulic system (1) switches to the independent fuel feeding of main pump (11).
20. trash compactors according to claim 19 are cut somebody's hair control method, it is characterised in that the displacement sensing of cutting somebody's hair
Device includes mutually realizing the magnetic survey tall sensor (10) and bracing wire length measurement sensor (8) of redundancy detection, the displacement of cutting somebody's hair
Sensor detection described in cut somebody's hair (3) movement position the step of specifically include：
The control unit (2) is while receive the detection of the magnetic survey tall sensor (10) and the bracing wire length measurement sensor (8)
Signal；
The control unit (2) calculates the phase of the magnetic survey tall sensor (10) and the bracing wire length measurement sensor (8) measured value
To error amount；
The control unit (2) judges that whether the relative error magnitudes, less than preset error value, are if it is surveyed with the bracing wire
The measured value of tall sensor (8) is defined, and otherwise continues to judge the magnetic survey tall sensor (10) and the bracing wire length measurement sensor
(8) whether there is data mutation, if the measured value of one of sensor is undergone mutation, with the measurement of another sensor
Value is defined, and described cut somebody's hair (3) continue to move.
21. trash compactors according to claim 20 are cut somebody's hair control method, it is characterised in that the control method is also wrapped
Include：
Proximity switch (9) detection described in cut somebody's hair (3) whether retreat in place；
The control unit (2) is when the trigger signal of the proximity switch (9) is received to the magnetic survey tall sensor (10)
Reset.
22. a kind of trash compactors, it is characterised in that cut somebody's hair control including any described trash compactor of claim 1~11
Device processed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710118733.9A CN106739125A (en) | 2017-03-02 | 2017-03-02 | Trash compactor is cut somebody's hair control device, method and trash compactor |
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| CN201710118733.9A CN106739125A (en) | 2017-03-02 | 2017-03-02 | Trash compactor is cut somebody's hair control device, method and trash compactor |
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Application publication date: 20170531 |