CN2606207Y - Integrated flow digital valves - Google Patents
Integrated flow digital valves Download PDFInfo
- Publication number
- CN2606207Y CN2606207Y CN 03220785 CN03220785U CN2606207Y CN 2606207 Y CN2606207 Y CN 2606207Y CN 03220785 CN03220785 CN 03220785 CN 03220785 U CN03220785 U CN 03220785U CN 2606207 Y CN2606207 Y CN 2606207Y
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- Prior art keywords
- valve
- cover plate
- upper cover
- duct
- communicates
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Abstract
An integrated type flow digital valve is provided with an upper cover and a lower cover, wherein at least two stroke throttle valves are arranged between the upper cover and the lower cover side by side. The upper cover of each stroke throttle valve is provided with an electromagnetic reversing valve hole which is provided with two tee electromagnetic reversing valves. The volume of the integrated type flow digital valve is greatly reduced due to the integrated block-type mechanical structure; with compact structure, small volume and light weight, the valve can be used in high pressure and large flow hydraulic system; according to precision-controlling demand and installing space size, manifold installation assembles can be flexibly made; the valve body is provided with a microprocessor and other controlling circuits; cycle of motion and hydraulic function parameters can be set at will through software adjusting; the demand for control engine and equipment failure rate can be reduced when used in large automation equipment or assembly line of decentralized computer controlling system.
Description
Technical field:
The utility model relates to a kind of hydraulic transmission and control valve, particularly a kind of integrated form traffic figure valve.
Background technique
With the immediate prior art of this patent is to adopt the pulse code modulation of combination hydraulic digital valve.This technology adopts the common electromagnetic switch valve of combination, and directly the binary signal through voltage amplification by computer code drives, and exports approximately continuous pressure or flow.But there are these two problems in this technology control: the one, and when control range was big, the quantity of required switch valve increased, and makes the combination brake switch and proporting volume become huge; The 2nd, when valve commutates at switch, be easy to generate flow or pressure surge.
Summary of the invention
The technical problems to be solved in the utility model is at the deficiencies in the prior art, has proposed a kind of manifold type mechanical structure traffic figure valve.
The technical problems to be solved in the utility model is achieved through the following technical solutions, a kind of integrated form traffic figure valve, be characterized in: it is provided with upper cover plate and lower cover plate, last, be installed with at least two stroke throttle valves between the lower cover plate side by side, all be provided with an electromagnetic switch valve opening in the upper cover plate above each stroke throttle valve, in each electromagnetic switch valve opening the two-position three way solenoid directional control valve is housed all, in lower cover plate, be provided with oil-feed duct and fuel-displaced duct, the oil-feed duct communicates with the following filler opening of each stroke throttle valve, fuel-displaced duct communicates with the oil outlet of each stroke throttle valve, the oil-feed duct also upwards communicates with the filler opening of solenoid directional control valve by connecting the duct, the oil outlet of each solenoid directional control valve communicates with the last filler opening of relative stroke throttle valve, also is provided with the draining duct that communicates with the solenoid directional control valve drain tap in upper cover plate.The size of stroke throttle valve area of passage depends on the spool stroke by the spacer thickness decision.Because the ratio of the area of passage of each restriction is S in the flow-control module
0: S
1: S
2: ...: S
N-1=2
0: 2
1: 2
2: 2
N-1So,, the ratio of the stroke of each throttle valve and spacer thickness also is 2
0: 2
1: 2
2: 2
N-1
The technical problems to be solved in the utility model can also be achieved through the following technical solutions, on valve body, be integrated with automatic controller, described automatic controller is provided with a single-chip microcomputer, signal input apparatus inserts interface microcontroller, and the output interface of single-chip microcomputer joins by an amplifier and solenoid directional control valve.For reducing valve at when commutation pressure or the fluctuation of flow, with the program control open and close time difference, first-class promptly is set treats the time, or adopt the method for figure adjustment, hang down the dynamic overshooting of system.This program and other control program all can be stored in the storage of control unit.Adopt the pin type interface card, be convenient to connect sensor and main control system.
The utility model is compared with existing combined type digital valve, and this valve adopts manifold type mechanical structure, and the volume of valve is reduced greatly; The user can require and the installing space size according to concrete control accuracy, selects to adopt whole integrated package or separation integrated package to form digital valve.Its compact structure, volume is little, and is in light weight; Can be applied to the hydraulic system of high-pressure high-flow; Be convenient to size, realize multiple installation combination flexibly according to control accuracy requirement and installing space.Microprocessor and other control circuit have been installed on valve body in addition, in microprocessor, have been solidified with special control program,, made it to become independently electric liquid module as coded program, control correction program etc.It both can be applicable to adopt in the large automatic equipment or production line of distributed computer control system, and the control unit as the executive component of lowermost layer also can be applied to single mini-plant digital controller.Can actuation cycle and hydraulic function parameter arbitrarily be set by the software adjustment; When in large automatic equipment that is applied to the distributed computer control system or the production line, can reduce requirement and equipment failure rate to main control system.
Description of drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is that the A-A of Fig. 1 is to sectional view.
Fig. 3 is that the B-B of Fig. 1 is to sectional view.
Fig. 4 is that the C-C of Fig. 2 is to sectional view.
Fig. 5 is the partial enlarged drawing of Fig. 2.
Embodiment
This patent is a kind of transformation to existing hydraulic pressure PCM Pulse Code Modulation combined type digital control valve.Its outstanding principle is based on integrated and thought electromechanical integration, and the enforcement of its best is the processing of the manufacturing technology technology integrated package of having relatively high expectations and grasps basic Computer Control Technology.A kind of integrated form traffic figure valve, it is provided with upper cover plate 3 and lower cover plate 4, last, lower cover plate 3, be installed with four stroke throttle valves 1 between 4 side by side, all be provided with an electromagnetic switch valve opening in the upper cover plate 3 above each stroke throttle valve 1, in each electromagnetic switch valve opening two-position three way solenoid directional control valve 2 is housed all, in lower cover plate 4, be provided with oil-feed duct 9 and fuel-displaced duct 10, oil-feed duct 9 communicates with the following filler opening 8 of each stroke throttle valve, fuel-displaced duct 10 communicates with the oil outlet 5 of each stroke throttle valve, oil-feed duct 9 also upwards communicates with the filler opening 12 of solenoid directional control valve 2 by connecting duct 7, the oil outlet 13 of each solenoid directional control valve communicates with the last filler opening 6 of relative stroke throttle valve, also is provided with the draining duct 11 that communicates with solenoid directional control valve drain tap 14 in upper cover plate 3.The size of stroke throttle valve area of passage depends on the spool stroke by the spacer thickness decision.Because the ratio of the area of passage of each restriction is S in the flow-control module
0: S
1: S
2: S
3=2
0: 2
1: 2
2: 2
3So,, the ratio of the stroke of each throttle valve and spacer thickness also is 2
0: 2
1: 2
2: 2
3Be integrated with automatic controller on valve body, described automatic controller is provided with a single-chip microcomputer, and signal input apparatus inserts interface microcontroller, and the output interface of single-chip microcomputer joins by an amplifier and solenoid directional control valve.For reducing valve at when commutation pressure or the fluctuation of flow, with the program control open and close time difference, first-class promptly is set treats the time, or adopt the method for figure adjustment, hang down the dynamic overshooting of system.This program and other control program all can be stored in the storage of control unit.Adopt the pin type interface card, be convenient to connect sensor and main control system.In the practical application, valve can be in the large automatic equipment of distributed computer control system or production line be directly accepted digital signal from main control system by communication modes, simultaneously, sends lot of data to main frame, stores or analysing and processing; Also can independently accept analogue signal in the size control system, control unique executive component.
Claims (2)
1. integrated form traffic figure valve, it is characterized in that: it is provided with upper cover plate (3) and lower cover plate (4), last, lower cover plate (3,4) be installed with at least two stroke throttle valves (1) between side by side, in the upper cover plate (3) of each stroke throttle valve (1) top, all be provided with an electromagnetic switch valve opening, two-position three way solenoid directional control valve (2) all is housed in each electromagnetic switch valve opening, in lower cover plate (4), be provided with oil-feed duct (9) and fuel-displaced duct (10), oil-feed duct (9) communicates with the following filler opening (8) of each stroke throttle valve, fuel-displaced duct (10) communicates with the oil outlet (5) of each stroke throttle valve, oil-feed duct (9) also upwards communicates with the filler opening (12) of solenoid directional control valve (2) by connecting duct (7), the oil outlet of each solenoid directional control valve (13) communicates with the last filler opening (6) of relative stroke throttle valve, also is provided with the draining duct (11) that communicates with solenoid directional control valve drain tap (14) in upper cover plate (3).
2. integrated form traffic figure valve according to claim 1, it is characterized in that: on valve body, be integrated with automatic controller, described automatic controller is provided with a single-chip microcomputer, signal input apparatus inserts interface microcontroller, and the output interface of single-chip microcomputer joins by an amplifier and solenoid directional control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03220785 CN2606207Y (en) | 2003-03-26 | 2003-03-26 | Integrated flow digital valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03220785 CN2606207Y (en) | 2003-03-26 | 2003-03-26 | Integrated flow digital valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2606207Y true CN2606207Y (en) | 2004-03-10 |
Family
ID=34162088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03220785 Expired - Fee Related CN2606207Y (en) | 2003-03-26 | 2003-03-26 | Integrated flow digital valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2606207Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438243A (en) * | 2013-09-24 | 2013-12-11 | 淮海工学院 | Incremental electro-hydraulic digital flow control valve with double valve cores rotating oppositely |
| CN105422921A (en) * | 2016-01-08 | 2016-03-23 | 浙江大学 | Digital valve unit and combination and control method thereof |
| CN105546162A (en) * | 2016-01-08 | 2016-05-04 | 浙江大学 | Combined type digital valve with loading port independently controlled and method thereof |
-
2003
- 2003-03-26 CN CN 03220785 patent/CN2606207Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438243A (en) * | 2013-09-24 | 2013-12-11 | 淮海工学院 | Incremental electro-hydraulic digital flow control valve with double valve cores rotating oppositely |
| CN103438243B (en) * | 2013-09-24 | 2015-05-13 | 淮海工学院 | Incremental electro-hydraulic digital flow control valve with double valve cores rotating oppositely |
| CN105422921A (en) * | 2016-01-08 | 2016-03-23 | 浙江大学 | Digital valve unit and combination and control method thereof |
| CN105546162A (en) * | 2016-01-08 | 2016-05-04 | 浙江大学 | Combined type digital valve with loading port independently controlled and method thereof |
| CN105546162B (en) * | 2016-01-08 | 2017-12-26 | 浙江大学 | A kind of Combined digital valve and its method of load port independent control |
| CN105422921B (en) * | 2016-01-08 | 2018-07-24 | 浙江大学 | A kind of number valve cell and combinations thereof and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |