CN210266091U - Piston type electronic pressure regulating valve driven by actuator - Google Patents
Piston type electronic pressure regulating valve driven by actuator Download PDFInfo
- Publication number
- CN210266091U CN210266091U CN201920678959.9U CN201920678959U CN210266091U CN 210266091 U CN210266091 U CN 210266091U CN 201920678959 U CN201920678959 U CN 201920678959U CN 210266091 U CN210266091 U CN 210266091U
- Authority
- CN
- China
- Prior art keywords
- piston
- valve body
- actuator
- connecting rod
- pressure regulating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 230000004044 response Effects 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 27
- 238000005457 optimization Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Abstract
The utility model discloses a piston type electronic pressure regulating valve driven by an actuator, which comprises a crankshaft connecting rod mechanism, a shaft coupling, a control cable, a transmission cable, a front valve body, a bearing and a rear valve body, wherein a rotating shaft is connected with the actuator through the shaft coupling; the rear valve body is provided with a pressure sensor and a control box, the sensor is electrically connected with the control box through a transmission cable, and the control box is electrically connected with the actuator through a control cable; the piston sleeve and the piston which is installed in a matched mode with the piston sleeve are arranged in the cavity of the rear valve body, an airflow window which is communicated with the front valve body is further arranged on the inner wall of the piston sleeve, and the piston is connected with the rotating shaft through a crankshaft connecting rod mechanism. The utility model discloses an executor drive has that drive torque is big, the response is rapid, control is accurate, operates steadily reliably, and is small, reduces use cost.
Description
Technical Field
The utility model relates to a gas engine control technical field especially relates to an executor driven piston electron air-vent valve.
Background
In the field of gas engines, a pressure regulating valve is arranged on a gas pipeline at the front end of an engine and used for regulating and stabilizing gas pressure entering the engine and ensuring stable operation of the engine. The conventional pressure regulating valve in the field of gas engines is in a spring film type and is limited by a mechanical structure and a diaphragm size, and the maximum diameter of the conventional spring film type pressure regulating valve is about DN 150. When the high-power gas engine adopts low-concentration gas, landfill gas, refined tail gas and other low-heat-value gases as fuels, the demand of gas flow is larger than that of high-heat-value gases, at the moment, a plurality of spring film type pressure regulating valves are usually connected in parallel for use, the whole size is larger, the cost is overhigh, the flow direction of fluid in the pressure regulating valves is variable flow type, the pressure loss is larger, and meanwhile, the mechanical pressure regulating mode has lower response speed and is not beneficial to the stable operation of the engine.
The invention patent with the publication number CN201610368895 discloses an EBD electronic valve, wherein a valve controls the connection and the disconnection of a valve rear chamber and a valve front chamber; a compressed air source is ventilated outside the valve front cavity; an air outlet port communicated with the valve rear cavity, a valve rear channel communicated with the pressure regulating cavity and a valve front channel communicated with the valve front cavity or the valve rear cavity are formed in the shell; and a relay solenoid valve is connected between the front valve passage and the rear valve passage in series, is controlled by an ECU system and controls the communication or the separation of the front valve passage and the rear valve passage. The invention still adopts a spring film type pressure regulating mechanism, and the problem of pressure loss still cannot be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an executor driven piston electronic air-vent valve, it is great to overcome current air-vent valve loss of pressure, and the steady operation of engine is guaranteed to the slow problem of response speed.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a piston type electronic pressure regulating valve driven by an actuator comprises a crankshaft connecting rod mechanism, a coupler, a control cable, a transmission cable, a front valve body, a bearing and a rear valve body, wherein the front valve body is connected with the rear valve body through a bolt; the front valve body is also connected with a support, an actuator is also fixed on the support, the front valve body is also provided with a through bearing hole for mounting a bearing, a rotating shaft is mounted in the bearing, and the rotating shaft is connected with the actuator through a coupler; the rear valve body is provided with a pressure sensor and a control box, the sensor is electrically connected with the control box through a transmission cable, and the control box is electrically connected with the actuator through a control cable; the piston sleeve and the piston which is installed in a matched mode with the piston sleeve are arranged in the cavity of the rear valve body, an airflow window which is communicated with the front valve body is further formed in the inner wall of the piston sleeve, and the piston is connected with the rotating shaft through a crankshaft connecting rod mechanism.
As a further optimization of the utility model, the crankshaft connecting rod mechanism comprises a crank, a long pin shaft, a connecting rod and a short pin shaft; the piston is connected with the connecting rod through a short pin shaft, and the connecting rod is connected with the crank through a long pin shaft.
As a further optimization of the utility model, the executor is 4 ~ 20mA driven position formula executor.
As a further optimization of the utility model, the shape of the airflow window is rectangle, triangle or trapezoid.
As a further optimization of the present invention, the piston and the piston sleeve are made of nylon material.
Adopt the utility model discloses a beneficial effect of production does:
1. the utility model discloses an executor drive has advantages such as drive moment of torsion is big, the response is rapid, control is accurate.
2. Compared with a spring film type pressure regulating valve, the flow channel in the piston type electronic pressure regulating valve driven by the actuator is of an axial flow type, the pressure loss is small, the flow range capable of stably regulating the pressure is wider, and the gas engine can stably and reliably operate under the condition of air source pressure fluctuation.
3. The high-flow-rate fuel gas engine can meet the high-flow-rate requirement when low-concentration gas, landfill gas, refinery tail gas and other low-heat-value gases are used as fuels, a plurality of valve sets are not needed to be connected in parallel, the size is small, and the use cost is reduced.
4. The piston and the piston sleeve are both made of nylon materials, and the materials are corrosion-resistant, wear-resistant and good in self-lubricating property.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is the schematic diagram of the internal structure of the present invention
In the figure: 1-support, 2-coupler, 3-actuator, 4-control cable, 5-control box, 6-transmission cable, 7-pressure sensor, front valve body, 9-bearing hole, 10-bearing, 11-rotating shaft, 12-crank, 13-long pin shaft, 14-connecting rod, 15-piston sleeve, 16-rear valve body, 17-piston, 18-short pin shaft, 19-airflow window
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 and 2, the present invention provides an actuator-driven piston type electronic pressure regulating valve, which includes a crankshaft connecting rod mechanism, a shaft coupling 2, a control cable 4, a transmission cable 6, a front valve body 8, a bearing 10 and a rear valve body 16, wherein the front valve body 8 and the rear valve body 16 are connected by a bolt; the front valve body 8 is further connected with a support 1, an actuator 3 is further fixed on the support 1, the front valve body 8 is further provided with a through bearing hole 9 for mounting a bearing 10, a rotating shaft 11 is mounted in the bearing 10, and the rotating shaft 11 is connected with the actuator 3 through a coupler 2; the rear valve body 16 is provided with a pressure sensor 7 and a control box 5, the sensor 7 is electrically connected with the control box 5 through a transmission cable 6, and the control box 5 is electrically connected with the actuator 3 through a control cable 4; a piston sleeve 15 and a piston 17 which is installed in a matched mode with the piston sleeve 15 are arranged in the cavity of the rear valve body 16, an airflow window 19 communicated with the front valve body 8 is further arranged on the inner wall of the piston sleeve 15, and the piston 17 is connected with the rotating shaft 11 through a crankshaft connecting rod mechanism.
The crankshaft connecting rod mechanism comprises a crank 12, a long pin shaft 13, a connecting rod 14 and a short pin shaft 18; the piston 17 is connected with the connecting rod 14 through a short pin shaft 18, and the connecting rod 14 is connected with the crank 12 through a long pin shaft 13.
The actuator 3 is installed on a support 1, the support 1 is installed on the front valve body 8, a bearing hole 9 is processed on the front valve body 8, a bearing 10 is installed in the bearing hole 9, a rotating shaft 11 is installed in the bearing 10, the rotating shaft 11 is connected with the actuator 3 through the coupler 2, a crank 12 is installed on the rotating shaft 11, a connecting rod 14 is connected with the crank 12 through a long pin shaft 13, a piston 17 is connected with the connecting rod 14 through a short pin shaft 18, the piston 17 is installed in a piston sleeve 15, the piston sleeve 15 is fixed on the end surface of the rear valve body 16, the front valve body 8 is installed in a butt joint with the rear valve body 16, a pressure sensor 7 is installed in an installation hole at the tail end of the rear valve body 16, a control box 5 is installed on the rear valve body 16, and the pressure sensor 7 is connected with the control box 5 through a transmission cable 6, the actuator 3 is connected with the control box 5 through a control cable 4.
The utility model discloses in, executor 3 is 4 ~ 20mA driven position formula executor. The actuator is adopted for driving, and the device has the advantages of large driving torque, quick response, accurate control and the like.
In the present invention, the piston sleeve 15 is provided with a rectangular or triangular or trapezoidal airflow window 19.
The utility model discloses in, piston 17 with piston sleeve 15 all adopts the nylon materials preparation, and this material is corrosion-resistant, stand wear and tear and self-lubricating nature is good.
The utility model discloses a working process: a piston type electronic pressure regulating valve driven by an actuator can be used for regulating and controlling the gas pressure of a high-power gas engine. The gas enters the pressure regulating valve through the inlet of the front valve body 8, flows out from the outlet of the rear valve body 16 after passing through the airflow window 19 on the piston sleeve 15, the pressure sensor 7 collects the pressure at the rear end of the pressure regulating valve and transmits the pressure into the control box 5, the pressure is compared with the set pressure, after operation, a control signal is output to the actuator 3, the actuator 3 drives the rotating shaft 11 to rotate through the coupler 2, the piston 17 is driven by the crank 12 and the connecting rod 14 to generate linear motion in the piston sleeve 15, the airflow circulation area at the airflow window 19 is changed, and the function of accurately controlling and changing the gas pressure behind the pressure regulating valve is realized.
The utility model discloses compare with spring film formula air-vent valve, the runner is the axial-flow type in the piston electronic air-vent valve of executor driven, and loss of pressure is little, and the flow range that can stabilize the pressure regulating is broader, guarantees that gas engine can steady reliable operation under the air supply pressure fluctuation condition.
The utility model discloses can satisfy the large-traffic demand when high-power gas engine adopts low heat value gases such as low concentration gas, landfill gas, refinery tail gas to be fuel, need not have many valves to connect in parallel, small, reduce use cost.
The foregoing is a more detailed description of the present invention taken in conjunction with the accompanying drawings, which are not intended to limit the invention to the particular embodiments described herein. For those skilled in the art to which the invention pertains, equivalent substitutes or obvious modifications may be made without departing from the spirit of the invention, and the same properties or uses are deemed to be within the scope of the invention as determined by the claims as filed.
Claims (5)
1. A piston type electronic pressure regulating valve driven by an actuator comprises a crankshaft connecting rod mechanism, a coupler (2), a control cable (4), a transmission cable (6), a front valve body (8), a bearing (10) and a rear valve body (16), wherein the front valve body (8) is connected with the rear valve body (16) through a bolt; the hydraulic control valve is characterized in that the front valve body (8) is further connected with a support (1), an actuator (3) is further fixed on the support (1), the front valve body (8) is further provided with a through bearing hole (9) for mounting a bearing (10), a rotating shaft (11) is mounted in the bearing (10), and the rotating shaft (11) is connected with the actuator (3) through a coupler (2); the rear valve body (16) is provided with a pressure sensor (7) and a control box (5), the sensor (7) is electrically connected with the control box (5) through a transmission cable (6), and the control box (5) is electrically connected with the actuator (3) through a control cable (4); a piston sleeve (15) and a piston (17) which is installed in a matched mode with the piston sleeve are arranged in a cavity of the rear valve body (16), an airflow window (19) communicated with the front valve body (8) is further arranged on the inner wall of the piston sleeve (15), and the piston (17) is connected with the rotating shaft (11) through a crankshaft connecting rod mechanism.
2. The piston-type electronic pressure regulating valve driven by an actuator according to claim 1, wherein: the crankshaft connecting rod mechanism comprises a crank (12), a long pin shaft (13), a connecting rod (14) and a short pin shaft (18); the piston (17) is connected with the connecting rod (14) through a short pin shaft (18), and the connecting rod (14) is connected with the crank (12) through a long pin shaft (13).
3. The piston-type electronic pressure regulating valve driven by an actuator according to claim 1, wherein: the actuator (3) is a position type actuator driven by 4-20 mA.
4. The piston-type electronic pressure regulating valve driven by an actuator according to claim 1, wherein: the airflow window (19) is rectangular, triangular or trapezoidal in shape.
5. An actuator driven piston type electronic pressure regulating valve according to any one of claims 1-4, characterized in that: the piston (17) and the piston sleeve (15) are both made of nylon materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920678959.9U CN210266091U (en) | 2019-05-13 | 2019-05-13 | Piston type electronic pressure regulating valve driven by actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920678959.9U CN210266091U (en) | 2019-05-13 | 2019-05-13 | Piston type electronic pressure regulating valve driven by actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210266091U true CN210266091U (en) | 2020-04-07 |
Family
ID=70024579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920678959.9U Active CN210266091U (en) | 2019-05-13 | 2019-05-13 | Piston type electronic pressure regulating valve driven by actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210266091U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990127A (en) * | 2019-05-13 | 2019-07-09 | 西安航天基地思普动力科技有限公司 | A kind of the piston type electronic pressure regulating valve and its pressure regulation method of actuator driven |
| CN114396505A (en) * | 2021-12-28 | 2022-04-26 | 重庆川维石化工程有限责任公司 | Volatile organic gas emission device integrating nitrogen supplement and gas phase pressure balance functions |
-
2019
- 2019-05-13 CN CN201920678959.9U patent/CN210266091U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990127A (en) * | 2019-05-13 | 2019-07-09 | 西安航天基地思普动力科技有限公司 | A kind of the piston type electronic pressure regulating valve and its pressure regulation method of actuator driven |
| CN114396505A (en) * | 2021-12-28 | 2022-04-26 | 重庆川维石化工程有限责任公司 | Volatile organic gas emission device integrating nitrogen supplement and gas phase pressure balance functions |
| CN114396505B (en) * | 2021-12-28 | 2024-05-07 | 重庆川维石化工程有限责任公司 | Volatile organic gas discharge device with nitrogen supplementing and gas phase pressure balancing functions |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210266091U (en) | Piston type electronic pressure regulating valve driven by actuator | |
| CN109340220B (en) | Deep sea electro-hydrostatic actuator | |
| CN101871477A (en) | Intermediate-pressure control two-position variable axial plunger hydraulic motor | |
| CN111550458B (en) | Steam turbine pump cylinder control servo system and control method thereof | |
| CN112212014A (en) | Valve design method for adaptively adjusting ventilation mode of aero-engine | |
| CN201808667U (en) | Special valve group for hydraulic steering engine | |
| CN105485407A (en) | Gas exhaust valve drive system with stroke capable of being compensated and regulated | |
| CN109990127A (en) | A kind of the piston type electronic pressure regulating valve and its pressure regulation method of actuator driven | |
| CN101865172A (en) | Active piloted active servo proportional valve | |
| JPS62226209A (en) | Adjustor for controlling flow rate of medium | |
| CN202280915U (en) | Waterpower regulating valve | |
| US8534059B2 (en) | Pressure reducing gas storage device, air-jet system, and motor vehicle | |
| CN214221267U (en) | Steam turbine valve control device based on electro-hydraulic proportional control technology | |
| CN109469655B (en) | Quick movement device for oil cylinder and control mode | |
| CN203892191U (en) | Speed adjustment device of mobile screw compressor | |
| CN202140213U (en) | Aeroengine fuel oil plunger pump with booster stage | |
| CN107100909B (en) | A kind of intelligent control energy-saving valve | |
| CN219413072U (en) | Two-way action locking hydraulic system | |
| CN2806791Y (en) | Throttle valve for motorcycle with electronic fuel injection system | |
| CN216241231U (en) | Offshore platform reciprocating compressor stepless speed regulation device based on adjustable air valve | |
| CN115628240B (en) | Gas-liquid linkage speed regulating system based on super-magnetostrictive pneumatic valve | |
| CN205370799U (en) | A valve for diesel exhaust recycling | |
| CN220037520U (en) | Four-way regulating valve | |
| CN105003689B (en) | Novel high-pressure bi-bit bi-pass through type machinery Pneumatic valve | |
| CN115142992B (en) | Gas pressure regulator for low-speed diesel engine for ship |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An actuator driven piston type electronic pressure regulating valve Effective date of registration: 20230314 Granted publication date: 20200407 Pledgee: Xi'an Caijin Financing Guarantee Co.,Ltd. Pledgor: XI'AN AEROSPACE BASE SIPU POWER TECHNOLOGY CO.,LTD. Registration number: Y2023610000169 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200407 Pledgee: Xi'an Caijin Financing Guarantee Co.,Ltd. Pledgor: XI'AN AEROSPACE BASE SIPU POWER TECHNOLOGY CO.,LTD. Registration number: Y2023610000169 |