CN106949112A - A kind of new-type double-valve core digital valve - Google Patents
A kind of new-type double-valve core digital valve Download PDFInfo
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- CN106949112A CN106949112A CN201710317307.8A CN201710317307A CN106949112A CN 106949112 A CN106949112 A CN 106949112A CN 201710317307 A CN201710317307 A CN 201710317307A CN 106949112 A CN106949112 A CN 106949112A
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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
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- General Engineering & Computer Science (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a kind of new-type double-valve core digital valve, the new-type double-valve core digital valve includes integrated control unit；Pilot valve；Main valve；The integrated control unit is arranged on the pilot valve upper end；The pilot valve is arranged on the main valve upper end, the method have the characteristics that：Valve element in the pilot valve is by SUPT motor independent controls, and fast response time, control accuracy is high；Pressure sensor, displacement transducer, temperature sensor are configured with the main valve, spool displacement control can be carried out, the control models such as system pressure control, flow control, oil liquid temperature control, so that the operating mode used according to actual platform, it is determined that optimal double spool combination control program.
Description
Technical field
The present invention relates to hydraulic buttery valve technical field, particularly a kind of fast response time, control accuracy is high and controls mould
Formula can separate configurations, the new digital valve of flexible combination.
Background technology
Electro hydraulic valve is mainly made up of as a kind of important valve class of hydraulic drive and control system pilot valve and main valve,
Pilot valve is generally magnetic valve reversal valve, is mainly changed by commutating and enters main valve oil circuit.In recent years, for the control obtained
Effect, people commutate pilot valve digital valve by common solenoid directional control valve, so as to develop into electrohydraulic digital valve.It can be direct
Enter line interface with computer, it is not necessary to D/A converter, with proportioning valve, servo valve mutually this, such valve arrangement is simple, manufacturability
It is good, reproducible, stable and reliable in work, because it combines closely computer and hydraulic technique, thus there is wide application
Prospect.
Traditional digital valve control mode typically uses Incremental control and pulse width modulation controlled method, and Incremental control is main
Digital type pulse signal Driving Stepping Motor is produced by control system to rotate, then is revolved stepper motor by mechanical switching device
Transhipment is dynamic to be converted to linear motion, so that with movable valve plug movement, so as to control and adjust hydraulic parameter.But due to stepper motor tool
Have compared with large rotating inertia, after being mechanically connected with hydraulic valve, inertia increase, intrinsic frequency is further reduced, therefore frequency response performance
It is very limited, or even high frequency step-out phenomenon occurs.
Pulse-width modulation digital valve is generally high-speed switch type digital valve, mainly adjusts the pulsewidth of input signal to control valve
Push And Release and open and time span, so as to reach the purpose of the control direction of liquid stream, flow and pressure.But it controls essence
Degree is low, and control model is single and structure is complex, is used generally as single digital valve, seldom does pilot valve and uses.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of fast response time, and control accuracy is high and control model can be only
Vertical configuration, the new digital valve of flexible combination.
To achieve the above object, the present invention employs following technical schemes：A kind of new digital valve includes center and controlled
Device processed；Guide valve blocks；Left valve element；Right valve element；Main valve body；Left main valve plug；Right main valve plug；
The central controller is arranged on the guide valve blocks upper end；
The guide valve blocks are arranged on the main valve body upper end；
The left valve element is arranged on the left end in the guide valve blocks；
The right valve element is arranged on the right-hand member in the guide valve blocks；
The left main valve plug is located at the left end in the main valve body；
The right main valve plug is located at the right-hand member in the main valve body；
Wherein, symmetrical structure centered on the guide valve blocks, left spool bore and right spool bore by different-diameter hole group
Into, and horizontal symmetrical is distributed, endoporus one and endoporus two be symmetrical, and endoporus three is vertical with endoporus four to be communicated, endoporus five and endoporus
Six vertically communicate, the central point of circular hole one and left spool bore feature holes T1 connecting hole, the right spool bore feature holes T1'
Connecting hole be located at same center line on, circular hole two is vertical with the feature holes B1 in the left spool bore to be communicated, circular hole three with it is described
Feature holes B1' in right spool bore is vertically communicated, endoporus seven by asphalt channel respectively with the feature holes P1 in left spool bore,
Feature holes P1' in right spool bore is communicated；
The left valve element is made up of axle one and axle two, its axis two and the left spool bore formation gap in the guide valve blocks
Coordinate；
The right valve element has identical physical dimension with the left valve element；
Symmetrical structure centered on the main valve body, wherein, left main valve core bore is made up of the circular hole of different-diameter, right main valve plug
Hole and left main valve core bore are symmetrical, and structure is identical, and hydraulic fluid port B is communicated by the way that center-aisle is vertical with left main valve core bore, hydraulic fluid port A
Communicated by the way that center-aisle is vertical with right main valve core bore, oilhole P' is communicated by the endoporus seven in guide valve blocks described in Kong Siyu,
Oilhole T is communicated by the way that asphalt channel is vertical with the feature holes T2 in the left main valve core bore, passes through asphalt channel and the right master
Feature holes T2' in spool bore is vertically communicated, and oilhole P is vertical with the feature holes P2 in the left main valve core bore by asphalt channel
Communicate, communicated by the way that asphalt channel is vertical with the feature holes P2' in the right main valve core bore, left main valve core bore described in Kong Yiyu is hung down
Directly communicate, right main valve core bore is vertically communicated described in Kong Qiyu, Kong Bayu oilholes P is vertically communicated；
The left main valve plug profile is matched somebody with somebody by not constituted the axle of diameter or not with the left main valve core bore formation gap of the main valve body
Close；
The right main valve plug and the left main valve plug have an identical physical dimension, and with the right main valve plug of the main valve body
Hole forms gap and coordinated.
Preferred scheme, also including left SUPT motors, right SUPT motors, wherein, the left SUPT motor shafts and the left valve
Core is connected, and is inserted into the left spool bore in the guide valve blocks, and the left SUPT motors are fixed on into the guide valve blocks
On, equally the right SUPT motor shafts are connected with the right valve element, the right spool bore in the guide valve blocks is inserted into,
The right SUPT motors are fixed on the guide valve blocks.
Preferred scheme, also including left dislocation sensor, right displacement transducer, wherein, the left dislocation sensor upper end with
Endoporus three in the guide valve blocks is engaged, and its wire is passed by the endoporus four in the guide valve blocks, and its lower end is stretched into
Endoporus in the left main valve plug, equally, the right displacement transducer upper end are engaged with the endoporus six in the guide valve blocks,
Its wire is passed by the endoporus five in the guide valve blocks, and its lower end is stretched into the right main valve plug top endoporus.
Preferred scheme, also including left pressure sensor, right pressure sensor, lower pressure sensor, wherein, left pressure sensing
Device is engaged with the hole two in the main valve body, and its wire is passed by hole two, equally, the right pressure sensor and the master
Hole six in valve body is engaged, and its wire is passed by hole six, equally, lower pressure sensor and the Kong Baxiang in the main valve body
Coordinate, its wire is passed by hole eight.
Preferred scheme, also including it is left block, it is right block, wherein, it is described it is left blocking install additional after sealing device with the main valve
The lower end of left main valve core bore in body is engaged, it is described it is right blocking install additional after sealing device with the right main valve plug in the main valve body
The lower end in hole is engaged.
Beneficial effect relative to prior art is, using such scheme, left pilot valve of the invention, the right pilot valve
Core is by SUPT motor independent controls, and fast response time, control accuracy is high；Left main valve plug, right main valve plug can be moved independently,
Required according to real work, it is determined that optimal double spool control program；With good market application value.
Brief description of the drawings
Fig. 1 is a kind of structural representation of new digital valve of the present invention；
Fig. 2 is a kind of guide valve blocks schematic diagram of new digital valve of the present invention；
Fig. 3 is a kind of left valve element schematic diagram of new digital valve of the present invention；
Fig. 4 is a kind of main valve body schematic diagram of new digital valve of the present invention；
Fig. 5 is a kind of left main valve plug schematic diagram of new digital valve of the present invention；
Fig. 6 is an a kind of Application Example of new digital valve of the present invention；
Fig. 7 is a kind of another Application Example of new digital valve of the present invention.
Embodiment
For the ease of understanding the present invention, below in conjunction with the accompanying drawings and specific embodiment, the present invention will be described in more detail.
The preferred embodiment of the present invention is given in accompanying drawing.But, the present invention can be realized in many different forms, not limited
In the embodiment described by this specification.On the contrary, the purpose for providing these embodiments makes to the disclosure
Understand more thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term used in this specification " vertical ", " level ",
"left", "right" and similar statement are for illustrative purposes only.
Unless otherwise defined, technology all used in this specification and scientific terminology are led with belonging to the technology of the present invention
The implication that the technical staff in domain is generally understood that is identical.Used term is to be in the description of the invention in this specification
The purpose of description specific embodiment, is not intended to the limitation present invention.
As shown in figure 1, a kind of new digital valve, including central controller (4)；Guide valve blocks (1)；Left valve element (3)；Right valve
Core (5)；Main valve body (9)；Left main valve plug (14)；Right main valve plug (10)；
The central controller (4) is arranged on the guide valve blocks (1) upper end；
The guide valve blocks (1) are arranged on the main valve body (9) upper end；
The left valve element (3) is arranged on the left end in the guide valve blocks (1)；
The right valve element (5) is arranged on the right-hand member in the guide valve blocks (1)；
The left main valve plug (14) is located at the left end in the main valve body (9)；
The right main valve plug (10) is located at the right-hand member in the main valve body (9).
As shown in Fig. 2 symmetrical structure, left spool bore (102) and right spool bore (104) centered on the guide valve blocks (1)
Constituted by the hole of different-diameter, and horizontal symmetrical is distributed, endoporus one (101) and endoporus two (105) are symmetrical, endoporus three
(109) vertical with endoporus four (110) to communicate, endoporus five (106) is vertical with endoporus six (107) to be communicated, circular hole one (103) central point
The connecting hole of connecting hole, right spool bore (104) the feature holes T1' with left spool bore (102) the feature holes T1 is located at same
On one center line, circular hole two (111) is vertical with the feature holes B1 in the left spool bore (102) to be communicated, circular hole three (112) with
Feature holes B1' in the right spool bore (104) is vertically communicated, endoporus seven (108) by asphalt channel respectively with left spool bore
(102) the feature holes P1' in feature holes P1, right spool bore (104) in is communicated.
As shown in figure 3, the left valve element (3) is made up of axle one (301) and axle two (302), its axis two (302) with it is described
Left spool bore (102) formation gap in guide valve blocks (1) coordinates.
As shown in figure 1, the right valve element (5) has identical physical dimension with the left valve element (3).
As shown in figure 4, symmetrical structure centered on the main valve body (9), wherein, left main valve core bore (903) is by different-diameter
Circular hole composition, right main valve core bore (905) and left main valve core bore (903) are symmetrical, and structure is identical, and hydraulic fluid port B passes through centre
Passage is vertical with left main valve core bore (903) to be communicated, and hydraulic fluid port A is communicated by the way that center-aisle is vertical with right main valve core bore (905), oilhole
P' is communicated by Kong Si (904) with the endoporus seven (108) in the guide valve blocks (1), oilhole T by asphalt channel with it is described
Feature holes T2 in left main valve core bore (903) is vertically communicated, and passes through the feature in asphalt channel and the right main valve core bore (905)
Hole T2' is vertically communicated, and oilhole P is communicated by the way that asphalt channel is vertical with the feature holes P2 in the left main valve core bore (903), is passed through
Asphalt channel is vertical with the feature holes P2' in the right main valve core bore (905) to be communicated, hole one (901) and the left main valve core bore
(903) vertically communicate, hole seven (907) is vertical with the right main valve core bore (905) to be communicated, hole eight (908) phase vertical with oilhole P
It is logical.
As shown in figure 5, left main valve plug (14) profile axle of diameter by not constituting or not, the left side with the main valve body (9)
Main valve core bore (903) formation gap coordinates.
As shown in figure 1, the right main valve plug (10) is identical with left main valve plug (14) physical dimension, and with the main valve
The right main valve core bore (905) of body (9) forms gap and coordinated.
As shown in figure 1, also include left SUPT motors (2), right SUPT motors (6), wherein, left SUPT motors (2) axle
It is connected with the left valve element (3), is inserted into the left spool bore (102) in the guide valve blocks (1), by the left SUPT
Motor (2) is fixed on the guide valve blocks (1), and equally right SUPT motors (6) axle is connected with the right valve element (5)
Connect, be inserted into the right spool bore (104) in the guide valve blocks (1), the right SUPT motors (6) are fixed on the elder generation
On pilot valve body (1)；
As shown in figure 1, also include left dislocation sensor (16), right displacement transducer (7), wherein, the left dislocation sensing
Device (16) upper end is engaged with the endoporus three (109) in the guide valve blocks (1), and its wire passes through in the guide valve blocks (1)
Endoporus four (110) pass, the endoporus (1401) that its lower end is stretched into the left main valve plug (14), equally, the right displacement are passed
Sensor (7) upper end is engaged with the endoporus six (107) in the guide valve blocks (1), and its wire passes through the guide valve blocks (1)
In endoporus five (106) pass, its lower end is stretched into the endoporus of right main valve plug (10) top.
As shown in figure 1, also include left pressure sensor (15), right pressure sensor (8), lower pressure sensor (12), its
In, left pressure sensor (15) is engaged with the hole two (902) in the main valve body (9), and its wire is worn by hole two (902)
Go out, equally, the right pressure sensor (8) is engaged with the hole six (906) in the main valve body (9), and its wire passes through hole six
(906) pass, equally, lower pressure sensor (12) is engaged with the hole eight (908) in the main valve body (9), and its wire passes through
Hole eight (908) is passed；
As shown in figure 1, also include left blocking (13), right blocking (11), wherein, left block (13) install sealing dress additional
Postpone and be engaged with the lower end of the left main valve core bore (903) in the main valve body (9), right block (11) install sealing device additional
The lower end with the right main valve core bore (905) in the main valve body (9) is engaged afterwards.
Fig. 6 is an a kind of Application Example of new digital valve of the present invention, in the present embodiment, and control is required
For hydraulic cylinder rodless cavity：Control model controls for flow, realizes the precise control to a certain speed of hydraulic stem piston；Hydraulic cylinder
Rod chamber：Controlling model is Stress control, realizes that zero back pressure is controlled.
Its control process is：Central controller (4) SUPT motors (6) output control electric current, right SUPT motors (6) band to the right
Right valve element (5) is moved to left movement certain position, P1' mouthfuls are connected with A1' mouthfuls, and TI' mouthfuls are connected with B1' mouthfuls, certain pressure and flow
Control fluid from P' mouthfuls enter P1' mouthful, subsequently into A1' mouthful, pass through A1' mouthful entrance right main valve plug (10) upper ends, promote the right side
Main valve plug (10) moves downward certain distance, and right primary valve opens (openings of sizes pass proportional to the oil liquid pressure for flowing into epicoele
System), P2' mouthfuls are connected with A mouthfuls, according to flow formula q=KL·A·(P1-P2)m, with reference to the pressure difference of main valve pressure sensor
△ P (△ P=P1-P2, wherein, P1- lower pressure sensor (12) output valve, P2- right pressure sensor (8) output valve) and valve
Core displacement signal, by being contrasted with largely testing obtained accurate calibration value, the working connection fluid of a certain flow passes through P
Mouth, P2' mouthfuls of A mouthfuls of entrance, then enter hydraulic cylinder rodless cavity from A mouthfuls, promote hydraulic stem piston rod to be run with a certain fixed speed,
So as to realize the precise control to hydraulic cylinder piston movement velocity；
Meanwhile, SUPT motors (2) send control electric current signal to central controller (4) to the left, and left SUPT motors (2) drive
Left valve element (3) is to left movement, and moving displacement amount is controlled by input current size, and P1 mouthfuls are connected with B1 mouthfuls, and A1 mouthfuls and T1 mouthfuls connect
Logical, oil circuit control flows into P1 mouthfuls from P' mouthfuls, subsequently into B1 mouthfuls, by the circular hole two (111) on guide valve blocks (1), is connected to
External oil pipe on circular hole two (111) enters the hole one (901) of main valve body (9), and the lower end for eventually flowing into left main valve plug (14) is empty
Chamber, promotes left main valve plug (14) to move upwards, and B mouthfuls enter T mouthfuls with T2 mouthfuls of connections, hydraulic cylinder rod chamber fluid from B mouthfuls, T2 mouthfuls,
Then from T mouthfuls of outflow fuel tanks, pressure value is measured in real time by left pressure sensor (15), and pressure value is fed back by CAN
Central controller (4) is given, by with largely testing after obtained accurate calibration value contrasted, output signal being adjusted in time, is repaiied
Just left SUPT motors (2) input signal, so as to ensure to realize minimum back pressure control.
Fig. 7 is a kind of another Application Example of new digital valve of the present invention, in the present embodiment, and control will
Ask for：Precise displacement control is carried out respectively to two hydraulic cylinder piston displacements, its control process is：Central controller (4) is to the left
SUPT motors (2) send control signal, and left SUPT motors (2) drive left valve element (3) displacement respective distances, and left poppet port is beaten
Open and (open size relevant with left SUPT motor input currents size), pilot valve controls fluid to enter P1 mouthfuls, Ran Houjin from P' mouthfuls
Enter A1 mouthfuls, enter finally into left main valve plug (14) upper end cavity, promote left main valve plug (14) to move downward, amount of exercise is by left dislocation
Sensor (16) in real time detect, and will detection signal be converted to electric signal, central controller (4) is passed to by wire, with to
Determine control signal to be compared, error amount is transferred to left SUPT motors (2) by comparing amplifying element, so as to adjust in real time left
SUPT motors (2) output control signal size, realizes the precise control to left main valve plug (14) displacement, left main valve plug (14)
Move downward, valve port is opened, working connection fluid enters B mouthfuls from P mouthfuls, P2 mouthfuls, enters left side hydraulic control rodless cavity by B mouthfuls,
According to flow formula q=KL·A·(P1-P2)m, with reference to pressure difference △ P (the △ P=P of main valve pressure sensor1-P2, wherein,
P1- lower pressure sensor (12) output valve, P2- right pressure sensor (8) output valve) and spool displacement signal, realize and enter
The precise control of left side hydraulic control rodless cavity fluid amount, is finally realized to hydraulic cylinder piston displacementAccurate control
System.Right hydraulic cylinder control principle is identical with left hydraulic cylinder control principle.
In addition, it is necessary to explanation, this specification and its accompanying drawing 6, accompanying drawing 7 are the Application Example of the present invention, are not illustrated
The present invention only has this two Application Examples.For example, the precise control of friction speed, example can be implemented to a hydraulic motor
Such as, same time friction speed or identical speed of same time can be implemented simultaneously to the hydraulic motor of two and more than two
Control, for example, it is mutually synchronized to implement same time friction speed or same time simultaneously to the hydraulic cylinder of two and the above
Degree control, for example, the identical speed of different time or different time friction speed can be implemented to the hydraulic cylinder of three and the above
Control, for example, friction speed, different pressures control, etc. can be implemented to each hydraulic cylinder.
Furthermore, it is necessary to explanation, done equivalent of all construction, feature and principles according to described in inventional idea of the present invention or
In simple change, the protection domain for being included in patent of the present invention.
Claims (8)
1. a kind of new-type double-valve core digital valve, it is characterised in that：Including integrated control unit (3)；Pilot valve (1)；Main valve (2)；
The integrated control unit (3) is arranged on the pilot valve (1) upper end；
The pilot valve (1) is arranged on the main valve (2) upper end.
2. a kind of new-type double-valve core digital valve according to claim 1, it is characterised in that the pilot valve (1) is included first
Pilot valve body (101), left valve element (103), right valve element (104)；
Wherein, symmetrical structure centered on the guide valve blocks (101), left spool bore (101B) and right spool bore (101D) be not by
Hole with diameter is constituted, and horizontal symmetrical is distributed, and endoporus one (101K) and endoporus two (101E) are symmetrical, endoporus three (101I)
Vertical with endoporus four (101J) to communicate, endoporus five (101F) is vertical with endoporus six (101G) to be communicated, circular hole one (101C) central point
Connecting hole, the connecting hole of right spool bore (101D) the feature holes T1' with left spool bore (101B) the feature holes T1 are located at
On same center line, circular hole two (101M) is vertical with the feature holes B1 in the left spool bore (101B) to be communicated, circular hole three
(101N) is vertical with the feature holes B1' in the right spool bore (101D) to be communicated, and endoporus seven (101H) is distinguished by asphalt channel
Communicated with the feature holes P1' in the feature holes P1 in left spool bore (101B), right spool bore (101D)；
The left valve element (103) is made up of axle one (103A) and axle two (103B), its axis two (103B) and the guide valve blocks
(101) left spool bore (101B) the formation gap in coordinates；
The right valve element (104) has identical physical dimension with the left valve element (103).
3. a kind of new-type double-valve core digital valve according to claim 1, it is characterised in that the pilot valve (1) also includes
Left SUPT motors (102), right SUPT motors (105), wherein, left SUPT motors (102) axle and left valve element (103) phase
Connection, is inserted into the left spool bore (101B) in the guide valve blocks (101), the left SUPT motors (102) is fixed on
On the guide valve blocks (101), equally right SUPT motors (105) axle is connected with the right valve element (104), then inserted
Enter the right spool bore (101D) in the guide valve blocks (101), the right SUPT motors (105) are fixed on the guide valve blocks
(101) on.
4. a kind of new-type double-valve core digital valve according to claim 1, it is characterised in that the main valve (2) includes main valve
Body (210), left main valve plug (204), right main valve plug (208)；
Wherein, symmetrical structure centered on the main valve body (210), left main valve core bore (210E) is made up of the circular hole of different-diameter,
Right main valve core bore (210G) and left main valve core bore (210E) are symmetrical, and structure is identical, and hydraulic fluid port B passes through center-aisle and left master
Spool bore (210E) is vertically communicated, and hydraulic fluid port A is communicated by the way that center-aisle is vertical with right main valve core bore (210G), and oilhole P' passes through hole
Four (210F) are communicated with the endoporus seven (101H) in the guide valve blocks (101), and oilhole T passes through asphalt channel and the left main valve
Feature holes T2 in core bore (210E) is vertically communicated, and passes through the feature holes in asphalt channel and the right main valve core bore (210G)
T2' is vertically communicated, and oilhole P is communicated by the way that asphalt channel is vertical with the feature holes P2 in the left main valve core bore (210E), is passed through
Asphalt channel is vertical with the feature holes P2' in the right main valve core bore (210G) to be communicated, hole one (210L) and the left main valve plug
(210E) is vertically communicated in hole, and hole seven (210J) is vertical with the right main valve core bore (210G) to be communicated, and hole eight (210K) hangs down with oilhole P
Directly communicate；
Whether left main valve plug (204) profile the axle of diameter by not being made up of or not, the left main valve core bore with the main valve body (210)
(210E) formation gap coordinates；
The right main valve plug (208) and the left main valve plug (204) have an identical physical dimension, and with the main valve body
(210) right main valve core bore (210G) forms gap and coordinated.
5. a kind of new-type double-valve core digital valve according to claim 1, it is characterised in that the main valve (2) also includes a left side
Displacement transducer (201), right displacement transducer (212), wherein, the left dislocation sensor (201) is arranged on the pilot valve
(1) in the endoporus three (101I) of the guide valve blocks (101) in, its wire passes through the endoporus four in the guide valve blocks (101)
(101J) is passed, the endoporus (204A) that its lower end is stretched into the left main valve plug (204) in the main valve (2), equally, the right position
Displacement sensor (212) upper end is arranged in the endoporus six (101G) in the guide valve blocks (101), and its wire passes through the guide
Endoporus five (101F) in valve body (101) is passed, and its lower end is stretched into the endoporus of right main valve plug (208) top.
6. a kind of new-type double-valve core digital valve according to claim 1, it is characterised in that the main valve (2) also includes a left side
Pressure sensor (202), right pressure sensor (211), lower pressure sensor (206), wherein, the left pressure sensor
(202) it is arranged in the hole three (210D) in the main valve body (210), its wire is passed by hole three (210D), equally, described
Right pressure sensor (211) is arranged in the hole six (210H) in the main valve body (210), and its wire is worn by hole six (210H)
Go out, equally, lower pressure sensor (206) is arranged in the hole eight (210K) in the main valve body (210), and its wire passes through hole eight
(210K) is passed.
7. a kind of new-type double-valve core digital valve according to claim 1, it is characterised in that the main valve (2) also includes a left side
Temperature sensor (203), right temperature sensor (211), wherein, the left temperature sensor (203) is arranged on the main valve body
(210) in the hole two (210C) in, the right temperature sensor (211) is arranged on the hole five in the main valve body (210)
In (210I).
8. a kind of new-type double-valve core digital valve according to claim 1, it is characterised in that the main valve (2) also includes a left side
(205), right blocking (207) are blocked, wherein, left block (205) install sealing device additional in the main valve body (210)
Left main valve core bore (210E) lower end, it is described it is right block (207) installs additional after sealing device be arranged on the main valve body (210) in
Right main valve core bore (210G) lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317307.8A CN106949112A (en) | 2017-05-08 | 2017-05-08 | A kind of new-type double-valve core digital valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317307.8A CN106949112A (en) | 2017-05-08 | 2017-05-08 | A kind of new-type double-valve core digital valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106949112A true CN106949112A (en) | 2017-07-14 |
Family
ID=59479002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710317307.8A Pending CN106949112A (en) | 2017-05-08 | 2017-05-08 | A kind of new-type double-valve core digital valve |
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| Country | Link |
|---|---|
| CN (1) | CN106949112A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0046524A1 (en) * | 1980-08-21 | 1982-03-03 | Sperry Corporation | Hydraulic remote controller |
| CN102177481A (en) * | 2008-06-11 | 2011-09-07 | 伊顿公司 | Auto-tuning electro-hydraulic valve |
| CN106321545A (en) * | 2016-11-10 | 2017-01-11 | 许昌学院 | Electro-hydraulic reversing valve |
| CN106382271A (en) * | 2016-10-18 | 2017-02-08 | 浙江大学 | Dual-valve-element programmable control hydraulic valve piloted by high-speed switching valves and control method of dual-valve-element programmable control hydraulic valve |
| CN106402075A (en) * | 2016-11-10 | 2017-02-15 | 许昌学院 | Electro-hydraulic digital directional valve |
-
2017
- 2017-05-08 CN CN201710317307.8A patent/CN106949112A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0046524A1 (en) * | 1980-08-21 | 1982-03-03 | Sperry Corporation | Hydraulic remote controller |
| CN102177481A (en) * | 2008-06-11 | 2011-09-07 | 伊顿公司 | Auto-tuning electro-hydraulic valve |
| CN106382271A (en) * | 2016-10-18 | 2017-02-08 | 浙江大学 | Dual-valve-element programmable control hydraulic valve piloted by high-speed switching valves and control method of dual-valve-element programmable control hydraulic valve |
| CN106321545A (en) * | 2016-11-10 | 2017-01-11 | 许昌学院 | Electro-hydraulic reversing valve |
| CN106402075A (en) * | 2016-11-10 | 2017-02-15 | 许昌学院 | Electro-hydraulic digital directional valve |
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