CN203051915U - Electro-hydraulic integrated control device applied to valve control - Google Patents
Electro-hydraulic integrated control device applied to valve control Download PDFInfo
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- CN203051915U CN203051915U CN 201320045016 CN201320045016U CN203051915U CN 203051915 U CN203051915 U CN 203051915U CN 201320045016 CN201320045016 CN 201320045016 CN 201320045016 U CN201320045016 U CN 201320045016U CN 203051915 U CN203051915 U CN 203051915U
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Abstract
The utility model discloses an electro-hydraulic integrated control device applied to valve control. The device comprises an execution mechanism which is connected with a valve (1) and adjusts a valve position. The execution mechanism is connected with a control assembly controlling the execution mechanism to operate. The control assembly is a hydraulic control mechanism packaged in a cabinet structure and is provided with a pipeline connected with the execution mechanism. The device is reasonable in design; the control assembly is arranged in a control cabinet mode, and in the structure, the control assembly, for example, a filter or a manual pump, is reasonably arranged; the operation is very simple, damage of valve vibration on the control assembly can be effectively avoided, cleanliness of the on-site environment can be improved, and the device can be used for adjustment control and switch control for any linear travel and angle travel movement device.
Description
Technical field
The utility model relates to valve control field, specifically, is the integrated electro-hydraulic formula control gear that is applied to valve control.
Background technique
For valve control, actuator can be used for the arbitrary position of valve control in standard-sized sheet or complete shut-down, in its application process, can use hydraulic oil, gas, electric power or other energy to convert it into the driving effect by motor, oil cylinder or other device, make valve go to any position accurately.In existing valve control field, existing procucts are integrated in control annex (as: Proportional valve, servovalve etc.) on the valve actuator, are example with the hydraulic control servovalve, as shown in Figure 1:
(1) when there is vibration in pilot line, the hydraulic control servovalve back panel wiring that can cause being installed on the valve actuator is loosening, certainly, each electronic parts and components is under dither even can cause damage, be example with hydraulic control anti-surge valve, in its working procedure, because the vibration of valve is bigger, also bigger for the damage that is integrated in control annex in the actuator, have a strong impact on its working life.
(2) in actual application, the hydraulic control servovalve requires very high to the turbidity test of hydraulic oil, the impurity of prior art Chang Yinwei hydraulic oil inside causes the stuck of hydraulic control servovalve, cisco unity malfunction, therefore, the turbidity test that provide of scene also need satisfy the hydraulic oil source of corresponding hydraulic oil pollution grade (that is: NAS1638 class 7) or fluid granularity standard (that is: the 9-10Mpa of ISO4406 class-/16/13).
(3) at existing control annex as hydraulic parts, all the pressure oil-source that need adopt the external world to provide has caused the complicated of device structure, complex operation step, simultaneously, the size of pressure oil-source is wayward and adjusting also, and more the control of execution architecture brings inconvenience.
(4) prior art does not have hand-control device, is not easy to the installation of valve, and the manual adjustment of valve location during fault.
The model utility content
The purpose of this utility model is to provide the integrated electro-hydraulic formula control gear that is applied to valve control, adopt cabinet type structure to make control unit separate setting with actuator, drawbacks such as existing control unit resistance to shock is poor, fragile have been overcome, effectively prolonged the working life of control unit, have advantages such as care and maintenance is simple and easy, easy to maintenance, can be applicable to adjusting control and the switch control of any lineal travel and angle stroke motion device, applied widely.
The utility model is achieved through the following technical solutions: the integrated electro-hydraulic formula control gear that is applied to valve control, comprise the actuator that links to each other with valve and its valve position is regulated, the utility model is connected with the control unit of control actuator work in described actuator, described control unit is the hydraulic control that is packaged in the cabinet body structure, be provided with the pipeline that connects actuator at described control unit, it is poor to have overcome existing control unit resistance to shock, drawback such as fragile, applied range is applicable to adjusting control and the switch control of any lineal travel and angle stroke motion device.
For better realizing the utility model, described control unit mainly is made up of the fuel tank, power unit and the oil circuit control unit that link to each other successively, and described oil circuit control unit is the oil circuit adjusting part that is provided with control valve, and control valve is servovalve or Proportional valve; Described actuator is then by linking to each other with valve and regulating the final controlling element of valve position and the oil hydraulic cylinder of control final controlling element work is formed; One end of described pipeline is connected on the oil hydraulic cylinder, and the other end then is connected with the oil circuit control unit.
Described oil circuit control unit comprises filter and first manifold block that is interconnected, and described control valve is located on first manifold block; Described pipeline comprises oil inlet pipe and return tube, described oil inlet pipe is successively by first manifold block, filter is connected on the power unit, described return tube then is connected with fuel tank by first manifold block, during use, hydraulic oil in the fuel tank forms high pressure oil by power unit, pass through filter successively, first manifold block, oil inlet pipe is delivered in the oil hydraulic cylinder, to realize the work of final controlling element, in this process, control valve can be regulated and control accurately to the pressure of hydraulic oil in first manifold block, simultaneously, the hydraulic oil that flows in the oil hydraulic cylinder passes through return tube again, first manifold block is delivered in the fuel tank, forms the circulation of oil circuit.
The utility model has adopted the design of twin filter, its structure is as follows: the quantity of described filter is two, and it is parallel with one another, on described two filters, also be provided with the hand-operated direction valve of switch filtering device, but effective cleaning hydraulic oil not only, also can realize the online replacing of filter, improve the working efficiency of equipment.
For better realizing the utility model, described power unit is for providing the hydraulic mechanism of pressure oil-source to the oil circuit control unit, mainly formed by the oil pump that is provided with motor, described oil inlet pipe is connected on the fuel tank by first manifold block, filter, hand-operated direction valve, oil pump successively, and principle is very simple.
Described power unit also comprises second manifold block that links to each other with oil pump, described oil pump links to each other with hand-operated direction valve by second manifold block, on described second manifold block, also be provided with the hand pump that is communicated with fuel tank and the pressure switch of controlling machine operation, in said structure, hand pump can provide manual control for the foundation of high pressure oil; Pressure switch then can be responded to oil pressure on second manifold block oil pressure of oil circuit control unit (that is: be delivered to), and motor is controlled.
Also be provided with pressure maintaining valve and the energy storage apparatus of stabilization of export pressure on described second manifold block, pressure maintaining valve is connected with fuel tank by second manifold block; Between described energy storage apparatus and second manifold block, be provided with safety valve, described safety valve is connected with fuel tank, when reality is used, energy storage apparatus can be used for keeping the outlet oil pressure of second manifold block, to avoid harmful effect that motor occurs because of heating when the continuous firing etc., can be used for safeguarding the proper functioning of each Sealing and electric control element on this equipment.
For satisfying the demand of factory's interlock protection; the utility model also is provided with on described first manifold block provides outage/electrified fast row's solenoid valve; after fast row's solenoid valve power down/charged; hydraulic oil in actuator's oil hydraulic cylinder; control through fast row's solenoid valve can be released fast, thereby realizes the quick unlatching of valve or close.
The utility model also is provided with return filter on described fuel tank, described return tube is then by being connected with fuel tank by first manifold block, return filter successively, by the hydraulic oil that is back to fuel tank is refiltered, can guarantee the turbidity test of fuel tank inner fluid, guarantee the normal operation of equipment.
For better realizing the utility model, also be provided with the level meter of demonstration oil tank liquid level at the outer wall of described fuel tank.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) the utility model is all taken in control unit and is packaged in the cabinet type structure, form the design of control cabinet, can effectively avoid the valve vibrations to the damage of control unit, be convenient to maintenance and maintenance, simultaneously, more overcome the defectives such as weak heat-dissipating that existing control unit occurs owing to dust accretion, effectively prolonged the working life of control unit, applicable to adjusting control and the switch control of any lineal travel and angle stroke motion device.
(2) the utility model has adopted the design of twin filter, can not only effective cleaning hydraulic oil, and simultaneously, hand-operated direction valve can also be realized the online replacing of filter core, improves the working efficiency of equipment.
(3) the utility model is reasonable in design, adopts the design of hand pump, also can realize the manual control of valve, for industrial production facilitates.
(4) the utility model is simple in structure, adopts fuel tank and power unit to form hydraulic oil unit, need not outer oil supply source, have simple in structure, oil pressure is easily regulated, characteristics such as easy to operate.
Description of drawings
Fig. 1 is the mounting structure schematic representation of control unit in the prior art.
Fig. 2 is the structural representation of the utility model control unit.
Fig. 3 is workflow diagram of the present utility model.
Fig. 4 is the structural representation of the utility model first manifold block.
1-valve wherein, 2-fuel tank, 3-control valve, 4-final controlling element, 5-oil hydraulic cylinder, 6-filter, 7-the first manifold block, 8-oil inlet pipe, 9-return tube, 10-hand-operated direction valve, 11-motor, 12-the second manifold block, 13-pressure switch, 14-energy storage apparatus, 15-safety valve, 16-soon arrange solenoid valve, 17-return filter, 18-level meter, 19-hand pump.
Embodiment
Below in conjunction with embodiment the utility model is described in further detail, but mode of execution of the present utility model is not limited thereto.
Embodiment:
The utility model proposes the integrated electro-hydraulic formula control gear that is applied to valve control, its structure comprises the actuator that links to each other with valve 1 and its valve position is regulated, be connected with the control unit of control actuator work in actuator, generally speaking, control unit includes hydraulic control servovalve or Proportional valve and each electronic parts and components etc.In the prior art, control unit all is integrated on the valve actuator, and namely structure shown in Figure 1 in Fig. 1, partly is control unit shown in the empty frame, and oil supply source outside on control unit, also being connected with usually.In actual application, because the vibration of pilot line, the ambient temperature height, pollute the existence of phenomenon such as big, tend to cause the wiring of control valve (that is: Proportional valve or servovalve) and each electronic parts and components to occur loosening, even damage, therefore, based on above-mentioned situation, the utility model proposes the design of control cabinet, that is: control unit is packaged in the cabinet body structure, and be provided with the pipeline that connects actuator at control unit, this design has not only overcome the flimsy defective of existing control unit, the turbidity test that also improved operation field (that is: prevent that dust is covered on the control unit, the carrying out of influence heat radiation), applicable to as on the bigger equipment of valve vibrations such as hydraulic control anti-surge valve, effectively prolonged the working life of control unit.
In the utility model, control unit mainly is made up of the fuel tank 2, power unit and the oil circuit control unit that link to each other successively, and as shown in Figure 2, the oil circuit control unit is the oil circuit adjusting part that is provided with control valve 3, is arranged at the top of cabinet body structure; Actuator is connected the sidewall of cabinet body structure by pipeline, mainly by linking to each other with valve 1 and regulating the final controlling element 4 of valve position and control the oil hydraulic cylinder 5 that final controlling element 4 works and form, as shown in Figure 2, pipeline is made up of parallel oil inlet pipe 8 and the return tube 9 that arranges, the one end is connected on the oil hydraulic cylinder 5, and the other end then is connected with the oil circuit control unit.By said structure as can be known, the utility model has been avoided the use of outer oil supply source, and adopts the design of fuel tank 2 and power unit can form hydraulic oil unit, need not outer oil supply source, have simple in structure, oil pressure is easily regulated, characteristics such as easy to operate.
Workflow of the present utility model can be summarized as structure of block diagram as shown in Figure 3, in said structure, fuel tank 2 has been formed hydraulic station of the present utility model with power unit, and fuel tank 2 is arranged at the bottom of cabinet body structure, also is provided with the level meter 18 that shows fuel tank 2 liquid levels at its outer wall; Power unit is then for providing the hydraulic mechanism of pressure oil-source to the oil circuit control unit; and in this structure; the utility model also is provided with second manifold block 12, and realizes functions such as the fuel feeding of power unit and oil circuit protection by the design of second manifold block 12, and its structure can be summarized as follows:
(1) oil supply function:
A: the automatic control section of being formed by motor 11 and oil pump, oil pump is connected on second manifold block 12, during use, the power supply of motor 11 is connected on the electric control box, the energising back drives oil pump (as: gear pump) and rotates, build-up pressure oil sources, pressure oil-source are delivered in the oil hydraulic cylinder 5 by second manifold block 12, oil circuit control unit, oil inlet pipe 8 more successively, to satisfy the operating conditions of actuator.
B: the manual control part of being formed by hand pump 19, hand pump 19 is connected on second manifold block 12 by one-way valve, can realize the manual control that hydraulic oil is carried, be arranged at the top of fuel tank 2, and be connected with fuel tank 2, in use, the oil in the fuel tank 2 can be delivered to manifold block, oil circuit control unit successively by hand pump 19, sends in the oil hydraulic cylinder 5 by oil inlet pipe 8 again.In said structure, the setting of one-way valve can prevent the reverse flow of hydraulic oil, prevents the appearance of pressure release phenomenon.
(2) oil circuit protective function:
A: in the long-time running process of equipment, because the lasting running of motor 11 tends to cause the rising of hydraulic fluid temperature, thereby influence the proper functioning of each Sealing and electric control element in the oil circuit control unit, therefore, the utility model proposes the design of energy storage apparatus 14, as shown in Figure 2, energy storage apparatus 14 is arranged at the outer wall of cabinet body structure, be mainly used in keeping oil pressure, be provided with the safety valve 15 that is communicated with energy storage apparatus 14 and second manifold block 12 in its lower end, energy storage apparatus 14 can be kept the outlet oil pressure of second manifold block 12, to avoid the continuous firing of motor 11.
B: the utility model is provided with the pressure switch 13 of control motor 11 work, this pressure switch 13 is connected on second manifold block 12, in actual moving process, pressure switch 13 can be responded to the pressure of hydraulic oil, when hydraulic fluid pressure is established to 15Mpa, motor 11 decommissions under the control of pressure switch 13, and keeps oil pressure by energy storage apparatus 14; When hydraulic fluid pressure was lower than 10Mpa, 11 in motor was restarted running under the control of pressure switch 13, thereby guaranteed that the whole system oil pressure remains between the 10Mpa-15Mpa always.
C: the design of pressure maintaining valve, in actual application, because its pressure of pressure oil-source that hydraulic station is set up often strengthens, if this pressure directly is delivered to the interior words of oil circuit control unit, also may cause the instability of system's control, therefore, adopt pressure maintaining valve to be arranged on second manifold block 12, and be connected with fuel tank 2 by second manifold block 12, can carry out voltage stabilizing to the output port of second manifold block 12.
In the utility model, the oil circuit control unit can be realized the accurate control of oil inlet pipe 8, return tube 9 oil pressure, as shown in Figure 2, comprise the filter 6 and first manifold block 7 that are interconnected, control valve 3 is located on first manifold block 7, in its structure, oil inlet pipe 8 is connected on the power unit by first manifold block 7, filter 6 successively, and return tube 9 then is connected with fuel tank 2 by first manifold block 7.Fig. 4 is the structural representation of first manifold block 7, and as shown in Figure 4, oil inlet pipe 8 is connected on the P port of first manifold block 7, and 9 of return tubes are connected on the t1 port of first manifold block 7.During use, oil in the fuel tank 2 forms pressure oil by hydraulic station, be delivered in the oil hydraulic cylinder 5 through filter 6, first manifold block 7, oil inlet pipe 8 successively again, in this process, control hydraulic oil be input to by the P port in the oil hydraulic cylinder 5 of actuator, actuator with travel feedback to electric control box, electric control box is delivered to control signal control valve 3 again, form closed loop control, further finish the accuracy controlling of control valve 3, to realize that actuator is to the adjusting of valve position; Simultaneously, hydraulic oil through the t1 port oil return, from the T2 port of first manifold block, 7 belows, is got back to fuel tank 2 from oil hydraulic cylinder 5, forms the circulation of oil circuit.
For satisfying the demand of factory's interlock protection; the utility model also is provided with on first manifold block 7 provides outage/electrified fast row's solenoid valve 16; should be connected on the electric control box by fast row's solenoid valve 16; after fast row's solenoid valve 16 power down/charged; hydraulic oil in actuator's oil hydraulic cylinder 5; release fast through fast row's solenoid valve 16, thereby realize the quick unlatching of valve 1 or close, its draining path is followed successively by: return tube 9, first manifold block 7, fuel tank 2.
In actual application, because it is very high that the turbidity test of 3 pairs of hydraulic oil of control valve require, therefore, in said structure, the design of filter 6 can also effectively improve the turbidity test of hydraulic oil, as shown in Figure 4, filter 6 adopts the twin filter setting, that is: the quantity of filter 6 is two, and parallel with one another, also is provided with the hand-operated direction valve 10 of switch filtering device 6 on two filters 6, hand-operated direction valve 10 is positioned at the front end of filter 6, can not only effective cleaning hydraulic oil, also can realize the online replacing of filter core, improve the working efficiency of equipment.For better realizing as shown in Figure 2, on fuel tank 2, also being provided with return filter 17 by the utility model, return tube 9 is connected with fuel tank 2 by oil return piece, return filter 17 successively, have the effect that improves the cleanliness of hydraulic oil degree equally, simultaneously, also guaranteed the normal operation of equipment.
The utility model is reasonable in design, control unit is arranged to the control cabinet pattern, in its structure, and control unit rationally arranged, as filter 6, hand pump 19 etc., operate very simply, can not only effectively avoid valve 1 vibrations to the damage of control unit, also can increase the turbidity test of site environment, applicable to adjusting control and the switch control of any lineal travel and angle stroke motion device.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all falls within the protection domain of the present utility model any simple modification, equivalent variations that above embodiment does.
Claims (10)
1. be applied to the integrated electro-hydraulic formula control gear of valve control, comprise the actuator that links to each other with valve (1) and its valve position is regulated, it is characterized in that: the control unit that is connected with the work of control actuator in described actuator, described control unit is the hydraulic control that is packaged in the cabinet body structure, is provided with the pipeline that connects actuator at described control unit.
2. the integrated electro-hydraulic formula control gear that is applied to valve control according to claim 1, it is characterized in that: described control unit mainly is made up of the fuel tank (2), power unit and the oil circuit control unit that link to each other successively, described oil circuit control unit is for being provided with the oil circuit adjusting part of control valve (3), and control valve (3) is servovalve or Proportional valve; Described actuator then by link to each other with valve (1) and regulate valve position final controlling element (4) and control final controlling element (4) work oil hydraulic cylinder (5) form; One end of described pipeline is connected on the oil hydraulic cylinder (5), and the other end then is connected with the oil circuit control unit.
3. the integrated electro-hydraulic formula control gear that is applied to valve control according to claim 2, it is characterized in that: described oil circuit control unit comprises filter (6) and first manifold block (7) that is interconnected, and described control valve (3) is located on first manifold block (7); Described pipeline comprises oil inlet pipe (8) and return tube (9), described oil inlet pipe (8) is connected on the power unit by first manifold block (7), filter (6) successively, and described return tube (9) then is connected with fuel tank (2) by first manifold block (7).
4. the integrated electro-hydraulic formula control gear that is applied to valve control according to claim 3, it is characterized in that: the quantity of described filter (6) is two, and parallel with one another, on described two filters (6), also be provided with the hand-operated direction valve (10) of switch filtering device (6).
5. the integrated electro-hydraulic formula control gear that is applied to valve control according to claim 4, it is characterized in that: described power unit is for providing the hydraulic mechanism of pressure oil-source to the oil circuit control unit, mainly be made up of the oil pump that is provided with motor (11), described oil inlet pipe (8) is connected on the fuel tank (2) by first manifold block (7), filter (6), hand-operated direction valve (10), oil pump successively.
6. the integrated electro-hydraulic formula control gear that is applied to valve control according to claim 5, it is characterized in that: described power unit also comprises second manifold block (12) that links to each other with oil pump, described oil pump links to each other with hand-operated direction valve (10) by second manifold block (12), also is provided with the hand pump (19) that is communicated with fuel tank (2) and the pressure switch (13) of controlling motor (11) work on described second manifold block (12).
7. the integrated electro-hydraulic formula control gear that is applied to valve control according to claim 6, it is characterized in that: also be provided with pressure maintaining valve and the energy storage apparatus (14) of stabilization of export pressure on described second manifold block (12), pressure maintaining valve is connected with fuel tank (2) by second manifold block (12); Be provided with safety valve (15) between described energy storage apparatus (14) and second manifold block (12), described safety valve (15) is connected with fuel tank (2).
8. according to each described integrated electro-hydraulic formula control gear that is applied to valve control of claim 3～7, it is characterized in that: also being provided with on described first manifold block (7) provides outage/electrified fast row's solenoid valve (16).
9. the integrated electro-hydraulic formula control gear that is applied to valve control according to claim 8, it is characterized in that: also be provided with return filter (17) on described fuel tank (2), described return tube (9) is then by being connected with fuel tank (2) by first manifold block (7), return filter (17) successively.
10. the integrated electro-hydraulic formula control gear that is applied to valve control according to claim 8 is characterized in that: the level meter (18) that also is provided with demonstration fuel tank (2) liquid level at the outer wall of described fuel tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320045016 CN203051915U (en) | 2013-01-28 | 2013-01-28 | Electro-hydraulic integrated control device applied to valve control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320045016 CN203051915U (en) | 2013-01-28 | 2013-01-28 | Electro-hydraulic integrated control device applied to valve control |
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| Publication Number | Publication Date |
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| CN203051915U true CN203051915U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320045016 Withdrawn - After Issue CN203051915U (en) | 2013-01-28 | 2013-01-28 | Electro-hydraulic integrated control device applied to valve control |
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| CN (1) | CN203051915U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062484A (en) * | 2013-01-28 | 2013-04-24 | 成都赛来科技有限公司 | Electro-hydraulic integrated control device applied to valve control |
| CN107958814A (en) * | 2017-12-29 | 2018-04-24 | 合肥和旭继电科技有限公司 | One kind is based on hydraulicdriven integrated relay |
| CN108172472A (en) * | 2017-12-29 | 2018-06-15 | 合肥和旭继电科技有限公司 | A kind of high power relay of stable drive |
| CN108231483A (en) * | 2017-12-29 | 2018-06-29 | 合肥和旭继电科技有限公司 | One kind is based on hydraulicdriven three-wheel relay |
-
2013
- 2013-01-28 CN CN 201320045016 patent/CN203051915U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062484A (en) * | 2013-01-28 | 2013-04-24 | 成都赛来科技有限公司 | Electro-hydraulic integrated control device applied to valve control |
| CN103062484B (en) * | 2013-01-28 | 2015-05-20 | 成都赛来科技有限公司 | Electro-hydraulic integrated control device applied to valve control |
| CN107958814A (en) * | 2017-12-29 | 2018-04-24 | 合肥和旭继电科技有限公司 | One kind is based on hydraulicdriven integrated relay |
| CN108172472A (en) * | 2017-12-29 | 2018-06-15 | 合肥和旭继电科技有限公司 | A kind of high power relay of stable drive |
| CN108231483A (en) * | 2017-12-29 | 2018-06-29 | 合肥和旭继电科技有限公司 | One kind is based on hydraulicdriven three-wheel relay |
| CN107958814B (en) * | 2017-12-29 | 2019-09-06 | 合肥和旭继电科技有限公司 | One kind being based on hydraulicdriven integrated relay |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130710 Effective date of abandoning: 20150520 |
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| RGAV | Abandon patent right to avoid regrant |