CN117450316A - Pressure-follow-up temperature control valve and special pressure-follow-up temperature control method for wind power cooler - Google Patents
Pressure-follow-up temperature control valve and special pressure-follow-up temperature control method for wind power cooler Download PDFInfo
- Publication number
- CN117450316A CN117450316A CN202311428509.1A CN202311428509A CN117450316A CN 117450316 A CN117450316 A CN 117450316A CN 202311428509 A CN202311428509 A CN 202311428509A CN 117450316 A CN117450316 A CN 117450316A
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- Prior art keywords
- valve
- pressure
- sliding cavity
- inlet
- valve core
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- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 5
- 239000010687 lubricating oil Substances 0.000 claims description 36
- 239000003921 oil Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000008676 import Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
The invention discloses a pressure-following temperature control valve and a special pressure-following temperature control method for a wind power cooler, wherein the pressure-following temperature control valve comprises a valve body, a sliding cavity is arranged in the valve body, a valve core capable of sliding back and forth along the sliding cavity is arranged in the sliding cavity, the valve core is a hollow cylinder body, the outer wall of the hollow cylinder body is attached to the inner wall of the sliding cavity, an inlet and an outlet are arranged on the valve body, an annular groove is formed in the circumferential direction of the sliding cavity, the annular groove is communicated with the outlet, one end of the sliding cavity is communicated with the inlet, a baffle plate is arranged at the other end of the sliding cavity, a valve cap is arranged in the valve core, the brim of the valve cap is connected with the inner wall of the valve core, two ends of a spring are respectively propped against the baffle plate, an overflow hole is formed in the side wall of the valve core, the overflow hole is communicated with the inlet through the valve cap, when the valve core slides close to one end of the sliding cavity, which is communicated with the inlet, and when the valve core slides close to one end, which is provided with the baffle plate.
Description
Technical Field
The invention relates to the technical field of wind power lubricating oil switches, in particular to a special pressure follow-up temperature control system for a wind power cooler. The device is suitable for a wind power lubrication system provided with a cooler, and can control the flow of lubricating oil entering the cooler and lubricating oil bypassing the cooler when the temperature of the lubricating oil changes, so as to control the temperature of the lubricating oil at the rear end of cooling.
Background
The lubricating oil flow of the filtering device of the wind power lubricating system is controlled by a temperature-bulb expansion type temperature control valve, and when the temperature is lower than 45 ℃, the lubricating oil directly flows to the distributor without passing through a cooler; when the temperature rises to 45 ℃, the valve core starts to move, the branch circuit to the distributor is gradually closed, and when the temperature rises to 60 ℃, the branch circuit to the distributor is completely closed; the damage rate of the temperature-sensing valve is too high due to frequent actions of the temperature-sensing valve at low temperature, and the reliability of equipment is seriously affected.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a special pressure follow-up temperature control system for a wind power cooler. The control function of the original temperature-bag expansion type temperature control valve is realized without the temperature-bag expansion type temperature control valve: when the lowest temperature is set (for example, 45 ℃), the lubricating oil pressure of the lubricating oil inlet pushes the valve core to realize that the overflow hole is communicated with the annular groove, the pressure-following temperature control valve is fully opened, the lubricating oil temperature of the lubricating oil inlet continues to rise, the lubricating oil pressure of the lubricating oil inlet is insufficient to push the valve core to realize that the overflow hole is fully communicated with the annular groove, the outlet of the pressure-following temperature control valve is gradually closed, and when the lubricating oil temperature of the lubricating oil inlet rises to the highest temperature (for example, 60 ℃), the bypass from the outlet of the pressure-following temperature control valve to the oil distributor is fully closed; because the temperature-sensing valve of the expansion type of the temperature-sensing bulb is not used, the difficult problem of failure and damage of the traditional temperature-sensing valve of the expansion type of the temperature-sensing bulb is solved.
In order to achieve the above object, the present invention adopts the following technical measures:
the utility model provides a special pressure follow-up temperature control system of wind-powered electricity generation cooler, including pressure follow-up temperature control valve, pressure follow-up temperature control valve includes the valve body, be provided with the smooth chamber in the valve body, be provided with the case that can follow smooth chamber reciprocal slip in the smooth chamber, the case is the hollow barrel of outer wall and smooth chamber inner wall laminating, be provided with import and export on the valve body, the ring channel has been seted up to the circumference of smooth chamber, ring channel and export intercommunication, smooth chamber one end and import intercommunication, the smooth chamber other end is provided with the separation blade, be provided with the valve bonnet in the case, the brim of the valve bonnet is connected with the inner wall of case, the both ends of spring offset with valve bonnet and separation blade respectively, the overflow hole has been seted up through cavity and import intercommunication between valve core and the valve bonnet, when the case slides and is close to the one end that smooth chamber and import communicate, overflow hole and ring channel disconnection, the case slides and is close to the one end that is provided with the separation blade to the smooth chamber.
The invention also provides a pressure-following temperature control valve, which comprises a valve body, wherein a sliding cavity is arranged in the valve body, a valve core capable of sliding reciprocally along the sliding cavity is arranged in the sliding cavity, the valve core is a hollow cylinder body with the outer wall attached to the inner wall of the sliding cavity, an inlet and an outlet are arranged on the valve body, an annular groove is formed in the circumference of the sliding cavity, the annular groove is communicated with the outlet, one end of the sliding cavity is communicated with the inlet, a baffle is arranged at the other end of the sliding cavity, a valve cap is arranged in the valve core, the brim of the valve cap is connected with the inner wall of the valve core, the two ends of the spring are respectively abutted against the valve cap and the baffle, an overflow hole is formed in the side wall of the valve core, the overflow hole is communicated with the inlet through a cavity between the valve cap and the valve cap, the overflow hole is disconnected from the annular groove when the valve core slides to be close to one end of the sliding cavity, where the baffle is arranged.
In addition, the invention also provides a special pressure follow-up temperature control method for the wind power cooler, which is applied to a special pressure follow-up temperature control system for the wind power cooler, wherein the special pressure follow-up temperature control system for the wind power cooler adopts the pressure follow-up temperature control valve, in the special pressure follow-up temperature control system for the wind power cooler, a lubricating oil inlet is respectively communicated with an inlet and an input port of the cooler, and an outlet and an output port of the cooler are both connected with the input port of the oil distributor, so that the flow of lubricating oil is controlled through the pressure follow-up temperature control valve.
The lubricating oil inlet is respectively communicated with the inlet and the inlet of the cooler, and the outlet of the cooler are both connected with the inlet of the oil distributor.
A sealing ring is arranged between the baffle plate and the sliding cavity.
Compared with the prior art, the invention has the following beneficial effects:
1. the structure is simple, and the use is convenient;
2. the existing temperature control valve can be damaged in a large scale after working for 1 to 2 years, so that the fan is stopped and maintained. Solves the problem of failure of the temperature control valve and the pain of the wind power industry.
Drawings
FIG. 1 is a schematic diagram of a front view of a pressure-actuated thermostatic valve.
Fig. 2 is a schematic diagram of a left-hand structure of the pressure-following thermo valve.
FIG. 3 is a schematic cross-sectional view of E-E in FIG. 1.
Fig. 4 is a schematic cross-sectional view of E-E of fig. 1 when the flow-through hole communicates with the annular groove.
Fig. 5 is a schematic cross-sectional view of E-E of fig. 1 when the flow-through hole is not in communication with the annular groove.
Fig. 6 is a schematic structural view of the present invention.
In the figure: 1-a valve body; 2-valve core; 3-a valve cap; 4-spring clip for hole; 5-a spring; 6, a baffle plate; 7-a sealing ring; 8-a baffle ring spring clip; 9-sliding cavity; 10-import; 11-outlet; 12-an annular groove; 13-an overflow aperture; 14-a lubricating oil inlet; 15-a cooler; 16-oil distributor.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
As shown in fig. 1-3, a special pressure-following temperature control system for a wind power cooler comprises a pressure-following temperature control valve, the pressure-following temperature control valve comprises a valve body 1, a sliding cavity 9 is arranged in the valve body 1, a valve core 2 capable of sliding back and forth along the sliding cavity 9 is arranged in the sliding cavity 9, the valve core 2 is a hollow cylinder body with the outer wall attached to the inner wall of the sliding cavity 9, an inlet 10 and an outlet 11 are arranged on the valve body 1, an annular groove 12 is formed in the circumference of the sliding cavity 9, the annular groove 12 is communicated with the outlet 11, one end of the sliding cavity 9 is communicated with the inlet 10, a baffle 6 is arranged at the other end of the sliding cavity 9, a valve core 2 is internally provided with a valve cap 3, the edge of the valve cap 3 is connected with the inner wall of the valve core 2, two ends of a spring 5 are respectively abutted against the valve cap 3 and the baffle 6, an overflow hole 13 (preferably, the overflow hole 13 is formed in a plurality of the side walls of the valve core 2 and is uniformly distributed on the side walls of the valve core 2), when the overflow hole 13 is in sliding close to one end of the sliding cavity 9 communicated with the inlet 10 through a cavity 2, the annular groove 12 is disconnected from the overflow hole 13, and the valve cap 2 is in sliding close to one end communicated with the annular groove 13, and is arranged close to the annular groove 13 when the overflow hole 2 is in close to the annular groove 12. A sealing ring 7 is arranged between the baffle 6 and the sliding cavity 9, a lubricating oil inlet 14 is respectively communicated with an inlet 10 and an input port of a cooler 15, and an outlet 11 and an output port of the cooler 15 are both connected with an input port of an oil distributor 16.
In practical application, the edge of the valve cap 3 can be clamped on the inner wall of the valve core 2 through the hole spring clamp 4, so that the relative position between the valve cap 3 and the valve core 2 is fixed, or the edge of the valve cap 3 is integrally connected with the inner wall of the valve core 2. The inner wall of one end of the sliding cavity 9 is provided with a baffle ring spring clamp 8 for blocking the baffle plate 6 from exiting from the sliding cavity 9. The sealing ring 7 ensures the sealing between the baffle 6 and the sliding cavity 9.
As shown in fig. 4, when the temperature of the lubricating oil is low, the resistance to the flow of the lubricating oil at the inlet 10 is large, and the pressure formed on the left side of the spool 9 pushes the spool 2 to move rightward while compressing the spring 5; the lower the temperature is, the more the valve core 2 is pushed to move rightwards, the larger the area is at the joint of the overflow hole 13 and the annular groove 12, and the lubricating oil entering from the inlet 10 can smoothly flow to the outlet 11 through the cavity between the valve core 2 and the valve cap 3, the overflow hole 13 and the annular groove 12; in practical use, it can be designed that the larger the area of the connection between the overflow hole 13 and the annular groove 12 is, the more the temperature of the lubricating oil is less than or equal to 45 ℃.
As shown in fig. 5, when the temperature of the lubricating oil is high, the resistance of the lubricating oil at the inlet 10 is small, the left pressure of the valve core 2 is smaller and smaller, the compressed spring 5 releases the elastic force to push the valve core 2 to move leftwards, the area where the overflow hole 13 is connected with the annular groove 12 is smaller and smaller until the overflow hole 13 is disconnected with the annular groove 12, and the inlet 10 and the outlet 11 are disconnected, so that the valve is closed. In practical use, it may be designed that the flow-through hole 13 is completely disconnected from the annular groove 12 when the temperature of the lubricating oil is 60 ℃ or higher.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. A pressure follow-up temperature-sensing valve is characterized in that: the valve comprises a valve body (1), a sliding cavity (9) is arranged in the valve body (1), a valve core (2) capable of sliding reciprocally along the sliding cavity (9) is arranged in the sliding cavity (9), the valve core (2) is a hollow cylinder body with the outer wall being attached to the inner wall of the sliding cavity (9), an inlet (10) and an outlet (11) are arranged on the valve body (1), an annular groove (12) is formed in the circumference of the sliding cavity (9), the annular groove (12) is communicated with the outlet (11), one end of the sliding cavity (9) is communicated with the inlet (10), a baffle (6) is arranged at the other end of the sliding cavity (9), a valve cap (3) is arranged in the valve core (2), the edge of the valve cap (3) is connected with the inner wall of the valve core (2), two ends of a spring (5) are respectively abutted to the valve cap (3) and the baffle (6), a flow through hole (13) is formed in the side wall of the valve core (2), the flow through cavity between the valve core (2) and the inlet (10), the valve core (2) slides to the end of the sliding cavity (9) to be close to the inlet (10), one end (10) is communicated with the valve core (9), the valve core (13) when the valve core (2) slides to the end close to the inlet (10) and is disconnected from the valve core (12), the overflow hole (13) is communicated with the annular groove (12).
2. A pressure-actuated thermo valve as claimed in claim 1, in which: the inlet (10) is connected with the lubricating oil inlet (14), the lubricating oil inlet (14) is provided with a first channel and a second channel, the inlet (10) is connected with the first channel, and the second channel is always communicated with the lubricating oil inlet (14) and is used for connecting external equipment.
3. A pressure-actuated thermo valve as claimed in claim 2, in which: the external equipment is a cooler (15), and the second channel is used for being communicated with an input port of the cooler (15).
4. A pressure-actuated thermo valve as claimed in claim 1, in which: the brim of the valve cap (3) is clamped on the inner wall of the valve core (2) and the relative position between the valve cap (3) and the valve core (2) is fixed by the spring clamp (4) through the hole.
5. A pressure-actuated thermo valve as claimed in claim 1, in which: the edge of the valve cap (3) is integrally connected with the inner wall of the valve core (2).
6. A pressure-actuated thermo valve as claimed in claim 1, in which: the inner wall of one end of the sliding cavity (9) is provided with a baffle ring spring clamp (8), and the baffle ring spring clamp (8) blocks the baffle plate (6) so that the baffle plate (6) does not withdraw from the sliding cavity (9).
7. A pressure-actuated thermo valve as claimed in claim 1, in which: a sealing ring (7) is arranged between the baffle (6) and the sliding cavity (9).
8. A pressure-actuated thermo valve as claimed in claim 1, in which: when the temperature of the lubricating oil entering the inlet (10) is less than or equal to a first set threshold value, the pressure formed by the lubricating oil on the left side of the sliding cavity (9) is increased to ensure that the overflow hole (13) and the annular groove (12) are in an all-on state; when the temperature of the lubricating oil entering the inlet (10) is more than or equal to a second set threshold value, the pressure formed by the lubricating oil on the left side of the sliding cavity (9) is reduced to ensure that the overflow hole (13) is completely disconnected from the annular groove (12); wherein the first set threshold is less than the second set threshold.
9. A pressure-actuated thermo valve as claimed in claim 8, in which: the first set threshold is 45 ℃, and the second set threshold is 60 ℃.
10. The special pressure follow-up temperature control method for the wind power cooler is characterized by comprising the following steps of: the pressure-following temperature control valve is applied to a pressure-following temperature control system special for a wind power cooler, the pressure-following temperature control valve disclosed in any one of claims 1-9 is adopted in the pressure-following temperature control system special for the wind power cooler, a lubricating oil inlet (14) is respectively communicated with an inlet (10) and an input port of a cooler (15), and an outlet (11) and an output port of the cooler (15) are both connected with an input port of an oil distributor (16), so that the flow of lubricating oil is controlled through the pressure-following temperature control valve.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721574649 | 2017-11-22 | ||
| CN201721574649X | 2017-11-22 | ||
| CN201810160499.0A CN108591802B (en) | 2017-11-22 | 2018-02-27 | Special pressure follow-up temperature control system for wind power cooler |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810160499.0A Division CN108591802B (en) | 2017-11-22 | 2018-02-27 | Special pressure follow-up temperature control system for wind power cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117450316A true CN117450316A (en) | 2024-01-26 |
Family
ID=63609083
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311428509.1A Pending CN117450316A (en) | 2017-11-22 | 2018-02-27 | Pressure-follow-up temperature control valve and special pressure-follow-up temperature control method for wind power cooler |
| CN201810160499.0A Active CN108591802B (en) | 2017-11-22 | 2018-02-27 | Special pressure follow-up temperature control system for wind power cooler |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810160499.0A Active CN108591802B (en) | 2017-11-22 | 2018-02-27 | Special pressure follow-up temperature control system for wind power cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN117450316A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853283B (en) * | 2020-07-10 | 2022-08-19 | 浙江盾安轨道交通设备有限公司 | Temperature control valve structure with by-pass hole |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0645419Y2 (en) * | 1987-05-20 | 1994-11-24 | 三菱自動車工業株式会社 | Hydraulic system flow control mechanism |
| DE3733740A1 (en) * | 1987-10-06 | 1989-04-20 | Danfoss As | DAMPING ARRANGEMENT FOR THE VIBRATION DAMPING OF VALVES CONTROLLED BY PRESSURE FLUID |
| KR100812953B1 (en) * | 2007-05-08 | 2008-03-11 | 엘에스전선 주식회사 | Tractor hydraulic system and control method thereof |
| CN203571194U (en) * | 2013-12-03 | 2014-04-30 | 安瑞科(蚌埠)压缩机有限公司 | Lubrication oil flow direction control device and compressor lubrication system |
| CN203686290U (en) * | 2014-01-08 | 2014-07-02 | 重庆超力高科技有限责任公司 | Temperature valve of heat exchanger |
| JP6668068B2 (en) * | 2015-12-22 | 2020-03-18 | 株式会社マーレ フィルターシステムズ | Bypass valve |
| CN207921711U (en) * | 2018-02-27 | 2018-09-28 | 南京孚奥智能技术有限公司 | A kind of wind-powered electricity generation cooler special pressure following temperature control system |
-
2018
- 2018-02-27 CN CN202311428509.1A patent/CN117450316A/en active Pending
- 2018-02-27 CN CN201810160499.0A patent/CN108591802B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108591802A (en) | 2018-09-28 |
| CN108591802B (en) | 2023-12-01 |
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