CN202674462U - Solar energy miniwatt power supply driving large angular travel valve electro-hydraulic system - Google Patents
Solar energy miniwatt power supply driving large angular travel valve electro-hydraulic system Download PDFInfo
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- CN202674462U CN202674462U CN 201220172296 CN201220172296U CN202674462U CN 202674462 U CN202674462 U CN 202674462U CN 201220172296 CN201220172296 CN 201220172296 CN 201220172296 U CN201220172296 U CN 201220172296U CN 202674462 U CN202674462 U CN 202674462U
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Abstract
The utility model provides a solar energy miniwatt power supply driving a large angular travel valve electro-hydraulic system. The solar energy miniwatt power supply driving the large angular travel valve electro-hydraulic system needs to solve problems that driving a valve used in outdoor transporting oil gas pipeline needs to be matched with high-power alternating current power supplies, and therefore obvious rising of equipment cost, motion cost and maintaining cost of a system is caused. The solar energy miniwatt power supply driving the large angular travel valve electro-hydraulic system is characterized in that the solar energy miniwatt power supply driving the large angular travel valve electro-hydraulic system utilizes the solar energy miniwatt power supply, and converts electric energy produced by the solar energy miniwatt power supply into hydraulic pressure energy to store and accumulate constantly. When the valve moves, the hydraulic pressure energy after being stored and accumulated can be converted into mechanical energy to release, and then can drive the angular travel valve motion on the outdoor transporting oil gas pipeline. The solar energy miniwatt power supply driving the large angular travel valve electro-hydraulic system has the advantages that adopting the solar energy miniwatt power supply enables the equipment cost, the motion cost and the maintaining cost of the system to be reduced, an input-output ratio is increased obviously, and the solar energy miniwatt power supply driving the large angular travel valve electro-hydraulic system becomes a true green system.
Description
Technical field
The utility model relates to a kind of electrichydraulic control drive system, is specifically to use the solar energy small-power power, drives large-scale angular travel valve electrohydraulic system.
Background technique
The said large-scale angular travel valve of the utility model refers to the angular travel valve that uses on open-air oil transportation or the gas transmission line such as ball valve, dish valve, and the moment of torsion that drives angular travel valve is 500-110000Nm, and its equivalent output power range is 500 ~ 4000W.Drive such large size valve and need to mate powerful ac power supply, because being ac power supply and AC motor, need inrush current again.Moreover use ac power supply in the open air, also need to configure correspondingly power transmission and transforming equipment, therefore cause equipment cost, action cost and the maintenance cost of system obviously to rise.If adopt the big-power solar power supply for satisfying system requirements, the equipment cost of system is obviously increased.
Summary of the invention
For solving the problems of the technologies described above, the purpose of this utility model provides a kind of large-scale angular travel valve electrohydraulic system of solar energy small-power power supply driving that utilizes.
Be not frequent action according to the valve on open-air oil transportation or the gas transmission line, and the field possesses this characteristic of solar energy, design of the present utility model is: utilize the power supply of solar energy small-power power, the electric energy that again the solar energy small-power power is produced becomes that hydraulic energy stores and constantly accumulation, when the needs valve event, the hydraulic energy that stores after accumulating is become mechanical energy release, to drive valve.
The technological scheme that realizes the utility model design is: the solar energy small-power power (refers to 24VDC, power is 200 ~ 500W) successively Driving Stepping Motor and oil pumps, hold and establish successively fuel tank, oil pump, one-way valve, threeway and hydraulic accumulator (hereinafter referred to as accumulator) on the oil pipeline, the remaining mouth of threeway connects oil pipeline; The filler opening of 3-position 4-way solenoid directional control valve (hereinafter referred to as selector valve) connects oil pipeline, the two ends of oil return pipeline are connected on respectively the return opening of selector valve and the return opening of fuel tank, each hydraulic fluid port of two oil outlets of selector valve (A mouth and B mouth) is received the hydraulic fluid port of a single oil pocket oil cylinder (hereinafter referred to as oil cylinder) by pipeline, the outer end of the piston rod of A, two oil cylinders of B is rigidly connected becomes a piston rod, and the mechanism that the straight line motion conversion rotatablely moves is set between the valve shaft of piston rod and angular travel valve.
When valve is failure to actuate, oil pump constantly pumps into the oil in the fuel tank in the accumulator by holding oil pipeline under the driving of solar energy small-power power and stepper motor, become that hydraulic energy stores and constantly accumulation, realize transformation of electrical energy being become hydraulic energy and storing.
When valve needs positive action, the one side electromagnet action of selector valve, the filler opening of selector valve and the connection of A oil outlet, return opening and B oil outlet are connected, hydraulic oil in the accumulator enters the A oil cylinder by filler opening and the A oil outlet of threeway, selector valve successively, pushing piston bar positive action, by straight line motion conversion rotational motion mechanism, driving the angular travel valve valve shaft is rotated in the forward, and then driving the angular travel valve positive action, the oil in the B oil cylinder flows back to fuel tank by B oil outlet and the return opening of selector valve successively simultaneously; When valve needs the negative sense action, the opposite side electromagnet action of selector valve, the filler opening of selector valve and the connection of B oil outlet, return opening and A oil outlet are connected, hydraulic oil in the accumulator enters the B oil cylinder by filler opening and the B oil outlet of threeway, selector valve successively, pushing piston bar counteragent, by straight line motion conversion rotational motion mechanism, drive the counterrotating of angular travel valve valve shaft, and then driving the angular travel valve counteragent, the oil of A oil cylinder flows back to fuel tank by A oil outlet and the return opening of selector valve successively simultaneously.
Compared with prior art, good effect of the present utility model is: it adopts solar energy small-power power and stepper motor, without inrush current, the power supply of selecting does not need excessive configuration, adaptive getting final product, so that the equipment cost of system, operating cost and maintenance cost reduce greatly, the input-output ratio of system is improved significantly, become real Green System.
Description of drawings
Fig. 1 is the utility model schematic diagram of straight line motion conversion rotational motion mechanism when being gear rack.
Fig. 2 is the utility model schematic diagram of straight line motion conversion rotational motion mechanism when being shift fork.
Embodiment
Embodiment one: the utility model when straight line motion conversion rotational motion mechanism is gear rack
Referring to Fig. 1, power is 24VDC solar energy small-power power 1 successively Driving Stepping Motor 2 and the oil pump 3 of 200 ~ 500W, holds and establishes successively fuel tank 5, oil pump, one-way valve 6, threeway 7 and accumulator 10 on the oil pipeline 4, and the remaining mouth of threeway connects oil pipeline 16; The filler opening of selector valve 12 is that the P mouth connects oil pipeline, the return opening that the two ends of oil return pipeline 15 are connected on respectively selector valve is the return opening of T mouth and fuel tank, the A mouth of selector valve is received the hydraulic fluid port of A oil cylinder 13 by pipeline, the B mouth of selector valve is received the hydraulic fluid port of B oil cylinder 14 by pipeline, A, the outer end of the piston rod of two oil cylinders of B is rigidly connected becomes a piston rod 134, the straight line motion conversion rotational motion mechanism that arranges between the valve shaft of piston rod and angular travel valve is pinion and rack, specifically a side of piston rod 134 is rack-shaped, cooperate with gear 18, gear cooperates for keyway with the valve shaft 19 of angular travel valve.Also being provided with pressure on the upper oil pipeline between threeway and the accumulator shows and monitoring device 9, comprise one in pressure demonstration and the monitoring device and be used for showing the pressure gauge of accumulator internal pressure and the pressure switch of a control step motor, pressure switch is closed stepper motor when the accumulator internal pressure is higher than limit value.Between the return opening of fuel tank and accumulator, vent line 17 is set, at this vent line a switch valve 8 is set, when being used for maintenance, oil in the accumulator is drained in the fuel tank.At upper oil pipeline 16 speed regulator 11 is set.
When angular travel valve is failure to actuate, oil pump constantly pumps into the oil in the fuel tank in the accumulator by holding oil pipeline under the driving of solar energy small-power power and stepper motor, become that hydraulic energy stores and constantly accumulation, realize transformation of electrical energy being become hydraulic energy and storing.
When angular travel valve need to be closed, the one side electromagnet action of selector valve, the P mouth of selector valve and the connection of A mouth, T mouth and B oil outlet are connected, hydraulic oil in the accumulator enters the A oil cylinder by P mouth and the A mouth of threeway, selector valve successively, the pushing piston bar moves to the right, gear 18 in the straight line motion conversion rotational motion mechanism promotes gear, the angular travel valve valve shaft turns clockwise, and angular travel valve is closed, and the oil in the B oil cylinder flows back to fuel tank by B mouth and the T mouth of selector valve successively simultaneously; When valve need to be opened, the opposite side electromagnet action of selector valve, the P mouth of selector valve and the connection of B mouth, T mouth and A mouth are connected, hydraulic oil in the accumulator enters the B oil cylinder by P mouth and the B mouth of threeway, selector valve successively, the pushing piston bar moves left, gear 18 in the straight line motion conversion rotational motion mechanism promotes gear, the angular travel valve valve shaft is rotated counterclockwise, and angular travel valve is opened, and the oil of A oil cylinder flows back to fuel tank by A mouth and the T mouth of selector valve successively simultaneously.
Embodiment two: the utility model when straight line motion conversion rotational motion mechanism is shift fork
Referring to Fig. 2, different from embodiment is, said straight line motion conversion rotational motion mechanism is shift fork 20, said shift fork refers to the disclosed fork type force-moment conversion device of CN101210633A, specifically at the fixing slide block 21 of piston rod 134, slide block is in 22 li in the slideway of shift fork, and shift fork is connected with the valve shaft of angular travel valve, be that the shift fork lower end is axle sleeve, cooperate for keyway with the valve shaft 23 of angular travel valve.Other is identical with embodiment one.
When the piston rod right lateral, the slipper push shift fork swings to the right, and the valve shaft of angular travel valve drives angular travel valve and closes to right rotation; When the piston rod left lateral, promote shift fork and swing left, the valve shaft of angular travel valve drives angular travel valve and opens to anticlockwise.Other working procedure is identical with embodiment one.
Claims (4)
1. a solar energy small-power power supply drives large-scale angular travel valve electrohydraulic system, it is characterized in that: the solar energy small-power power is Driving Stepping Motor and oil pump successively, hold and establish successively fuel tank, oil pump, one-way valve, threeway and liquid accumulator on the oil pipeline, the remaining mouth of threeway connects oil pipeline; The filler opening of 3-position 4-way solenoid directional control valve connects oil pipeline, the two ends of oil return pipeline are connected on respectively the return opening of selector valve and the return opening of fuel tank, two each hydraulic fluid ports of oil outlet of selector valve are received the hydraulic fluid port of a single oil pocket oil cylinder by pipeline, the outer end of the piston rod of A, two oil cylinders of B is rigidly connected becomes a piston rod, and straight line motion conversion rotational motion mechanism is set between the valve shaft of piston rod and angular travel valve.
2. drive large-scale angular travel valve electrohydraulic system according to solar energy small-power power supply claimed in claim 1, it is characterized in that: said straight line motion conversion rotational motion mechanism is pinion and rack, specifically a side of piston rod is rack-shaped, cooperate with gear, gear is that keyway cooperates with the valve shaft of angular travel valve.
3. drive large-scale angular travel valve electrohydraulic system according to solar energy small-power power supply claimed in claim 1, it is characterized in that: said straight line motion conversion rotational motion mechanism is shift fork, specifically at the fixing slide block of piston rod, slide block is in the slideway of shift fork, shift fork is connected with the valve shaft of angular travel valve, being that the shift fork lower end is axle sleeve, is that keyway cooperates with the valve shaft of angular travel valve.
4. drive large-scale angular travel valve electrohydraulic system according to each described solar energy small-power power supply of claim 1-3, it is characterized in that: on the upper oil pipeline between threeway and the accumulator, also be provided with pressure and show and monitoring device, comprise in pressure demonstration and the monitoring device that one is used for showing the pressure gauge of accumulator internal pressure and the pressure switch of a control step motor; Between the return opening of fuel tank and accumulator, vent line is set, at this vent line a switch valve is set; At upper oil pipeline speed regulator is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220172296 CN202674462U (en) | 2012-04-23 | 2012-04-23 | Solar energy miniwatt power supply driving large angular travel valve electro-hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220172296 CN202674462U (en) | 2012-04-23 | 2012-04-23 | Solar energy miniwatt power supply driving large angular travel valve electro-hydraulic system |
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| Publication Number | Publication Date |
|---|---|
| CN202674462U true CN202674462U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220172296 Withdrawn - After Issue CN202674462U (en) | 2012-04-23 | 2012-04-23 | Solar energy miniwatt power supply driving large angular travel valve electro-hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202674462U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620040A (en) * | 2012-04-23 | 2012-08-01 | 沈阳东北电力调节技术有限公司 | Electrohydraulic system for driving large-size quarter-turn valve by using solar low-power power supply |
| CN107605818A (en) * | 2017-10-19 | 2018-01-19 | 燕山大学 | A kind of electro-hydraulic driving swing mechanism |
| CN107683382A (en) * | 2015-04-03 | 2018-02-09 | 四轮机动车有限公司 | Valve control system |
-
2012
- 2012-04-23 CN CN 201220172296 patent/CN202674462U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620040A (en) * | 2012-04-23 | 2012-08-01 | 沈阳东北电力调节技术有限公司 | Electrohydraulic system for driving large-size quarter-turn valve by using solar low-power power supply |
| CN102620040B (en) * | 2012-04-23 | 2013-09-04 | 沈阳东北电力调节技术有限公司 | Electrohydraulic system for driving large-size quarter-turn valve by using solar low-power supply |
| CN107683382A (en) * | 2015-04-03 | 2018-02-09 | 四轮机动车有限公司 | Valve control system |
| CN107683382B (en) * | 2015-04-03 | 2019-09-27 | 四轮机动车有限公司 | Valve control system |
| CN107605818A (en) * | 2017-10-19 | 2018-01-19 | 燕山大学 | A kind of electro-hydraulic driving swing mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20130904 |
|
| RGAV | Abandon patent right to avoid regrant |