CN220452841U - Water turbine generator set cartridge integrated type accident pressure distribution valve - Google Patents
Water turbine generator set cartridge integrated type accident pressure distribution valve Download PDFInfo
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- CN220452841U CN220452841U CN202322078978.7U CN202322078978U CN220452841U CN 220452841 U CN220452841 U CN 220452841U CN 202322078978 U CN202322078978 U CN 202322078978U CN 220452841 U CN220452841 U CN 220452841U
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- valve body
- distribution valve
- turbine generator
- ring
- generator set
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 13
- 239000004744 fabric Substances 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- Y02E10/20—Hydro energy
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Abstract
The utility model discloses an integrated accident pressure distribution valve for the plug-in mounting of a water turbine generator set, which belongs to the technical field of water turbine generator sets and comprises a pressure distribution valve body, wherein a plurality of external oil ports are arranged on the side part of the pressure distribution valve body, a thread groove is formed in the side surface of the pressure distribution valve body and positioned on the outer side of the external oil ports, and a thread ring is arranged on the thread groove in a threaded manner. According to the utility model, the protection ring and the elastic cloth are arranged on the outer side of the external oil port through the matching of the thread groove and the thread ring, when the external oil port is connected with the oil pipe, the oil pipe passes through the inner cavity of the elastic ring, the elastic ring is tightly contacted with the oil pipe by utilizing the elasticity of the elastic ring, the connection part of the external oil port and the oil pipe is protected by the protection ring and the elastic cloth, the connection between the oil pipe and the external oil port is prevented from being corroded by the external environment, the tightness of the connection part is prevented from being influenced, and the practicability of the hydraulic turbine generator set plug-in integrated accident pressure distribution valve is improved.
Description
Technical Field
The utility model relates to the technical field of water turbine generator sets, in particular to an inserted integrated accident pressure distribution valve of a water turbine generator set.
Background
The emergency distributing valve is a two-position six-way reversing valve, is used in an overspeed protection system of a hydroelectric generating set of a hydropower station, when the rotating speed of the set is too high and the operation of a speed regulator closing water guide mechanism fails, the SGP integrated emergency distributing valve receives overspeed protection signal action, a valve core of the emergency distributing valve reverses under the action of differential pressure, the speed regulator is cut off, pressure oil in an oil system directly operates a servomotor of the water guide mechanism, the water guide mechanism is turned off emergently, the overspeed of the set is prevented, and safe and reliable protection is provided for the normal operation of the hydroelectric generating set.
Through retrieval, the utility model patent with the publication number of CN216343124U discloses an inserted integrated accident pressure distribution valve of a water turbine generator set, which comprises a valve body, an inserted valve group, an oil pressure device, a speed regulator and a differential pressure valve; the cartridge valve group, the oil pressure device and the differential pressure valve are all arranged in the valve body, seven external oil ports communicated with the cartridge valve group are arranged on the valve body, and the cartridge valve group is respectively connected with the speed regulator, the oil pressure device and the guide vane servomotor through the external oil ports. The hydraulic turbine generator set plug-in integrated accident pressure distribution valve realizes functions by the oil device, the two-way plug-in valve and the valve body, and the device is integrated on one valve body and is very convenient to install, debug and maintain. However, the above patent has the following disadvantages: the joint of the oil pipe and the external oil port is directly exposed outside, and the tightness of the oil pipe is easily affected by the erosion of the external environment. Therefore, the integrated accident pressure distribution valve for the water turbine generator set is provided.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model aims to provide an inserted integrated accident pressure distribution valve of a water turbine generator set.
In order to solve the problems, the utility model adopts the following technical scheme:
the utility model provides a hydraulic turbine generating set cartridge integrated type accident distributing valve, includes the distributing valve body, the lateral part of distributing valve body is provided with a plurality of external hydraulic fluid ports, the side of distributing valve body and the outside that is located external hydraulic fluid port are provided with the screw thread groove, the screw thread is installed to the screw thread on the screw thread groove, the terminal surface fixedly connected with protection ring of screw thread ring, the inner wall fixedly connected with elasticity cloth of protection ring one end, the inboard fixedly connected with elastic ring of elasticity cloth.
As a preferable scheme of the utility model, the humidity sensor is fixedly arranged on the inner wall of the protection ring, the mounting box is arranged on the inner wall of the protection ring, the controller is arranged in the inner cavity of the mounting box, the signal transmitter is fixedly arranged in the inner cavity of the mounting box, and the output end of the signal transmitter extends to the outside of the protection ring.
As a preferable scheme of the utility model, the top of the pressure distributing valve body is provided with an oil pressure device, the top of the pressure distributing valve body is provided with a mechanical hydraulic overspeed protection device, and the oil pressure device is communicated with the mechanical hydraulic overspeed protection device through a differential pressure valve.
As a preferable scheme of the utility model, the bottom surface of the pressure distributing valve body is provided with a mounting seat, and a plurality of mounting holes are formed in the mounting seat.
As a preferable scheme of the utility model, the top surface of the pressure distributing valve body is fixedly provided with a plurality of hanging rings.
As a preferred embodiment of the present utility model, the humidity sensor, the signal transmitter and the controller are respectively connected with an external power supply.
Compared with the prior art, the utility model has the advantages that:
(1) According to the utility model, the protection ring and the elastic cloth are arranged on the outer side of the external oil port through the matching of the thread groove and the thread ring, when the external oil port is connected with the oil pipe, the oil pipe passes through the inner cavity of the elastic ring, the elastic ring is tightly contacted with the oil pipe by utilizing the elasticity of the elastic ring, the connection part of the external oil port and the oil pipe is protected by the protection ring and the elastic cloth, the influence on the tightness of the connection part between the oil pipe and the external oil port caused by the corrosion of the external environment is avoided, and the practicability is improved.
(2) According to the utility model, when the oil port is connected with the oil pipe, the humidity sensor is used for detecting the humidity in the inner cavity of the protection ring, and when the joint between the external oil port and the oil pipe is leaked, the humidity sensor detects that the humidity in the inner cavity of the protection ring is larger, and the controller is used for controlling the signal transmitter to transmit the humidity signal detected by the humidity sensor to the external control room so as to maintain the humidity signal, and meanwhile, the connection tightness between the pressure distribution valve body and the oil pipe is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the pressure distributing valve body of the present utility model;
FIG. 3 is a schematic diagram of a guard ring according to the present utility model;
FIG. 4 is a schematic cross-sectional view of a guard ring of the present utility model.
The reference numerals in the figures illustrate:
1. a pressure distribution valve body; 2. an oil port is externally connected; 3. a thread groove; 4. a threaded ring; 5. a guard ring; 6. an elastic cloth; 7. an elastic ring; 8. a humidity sensor; 9. a mounting box; 10. a signal transmitter; 11. a controller; 12. a mounting base; 13. a mounting hole; 14. an oil pressure device; 15. a mechanical hydraulic overspeed protection device; 16. and (5) hanging rings.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples:
referring to fig. 1-4, an integrated accident pressure distribution valve for a water turbine generator set comprises a pressure distribution valve body 1, wherein a plurality of external oil ports 2 are arranged on the side part of the pressure distribution valve body 1, a thread groove 3 is formed in the side surface of the pressure distribution valve body 1 and located on the outer side of the external oil ports 2, a thread ring 4 is installed on the thread groove 3 in a threaded manner, a protection ring 5 is fixedly connected to the end face of the thread ring 4, an elastic cloth 6 is fixedly connected to the inner wall of one end of the protection ring 5, and an elastic ring 7 is fixedly connected to the inner side of the elastic cloth 6.
Specifically, referring to fig. 4, the humidity sensor 8 is fixedly mounted on the inner wall of the guard ring 5, the mounting box 9 is disposed on the inner wall of the guard ring 5, the controller 11 is disposed in the inner cavity of the mounting box 9, the signal transmitter 10 is fixedly mounted in the inner cavity of the mounting box 9, and the output end of the signal transmitter 10 extends to the outside of the guard ring 5.
In this embodiment, humidity in the inner cavity of the protection ring 5 is detected by using the humidity sensor 8, and humidity information is transmitted to an external control room by using the signal transmitter 10, so that humidity in the protection ring 5 is controlled, and leakage is avoided due to connection between the pipeline and the external oil port 2.
Specifically, referring to fig. 1, an oil pressure device 14 is disposed at the top of the pressure distributing valve body 1, a mechanical hydraulic overspeed protection device 15 is disposed at the top of the pressure distributing valve body 1, and the oil pressure device 14 is communicated with the mechanical hydraulic overspeed protection device 15 through a differential pressure valve.
Specifically, referring to fig. 1, a mounting seat 12 is disposed on a bottom surface of the pressure distributing valve body 1, and a plurality of mounting holes 13 are formed in the mounting seat 12.
In this embodiment, the pressure-distributing valve body 1 is supported by the mount 12, and the device is mounted and fixed by the fit between the mount hole 13 and the bolt.
Specifically, referring to fig. 1, a plurality of hanging rings 16 are fixedly installed on the top surface of the pressure distributing valve body 1.
In this embodiment, the device is hoisted by means of the hoisting ring 16.
Specifically, referring to fig. 4, the humidity sensor 8, the signal transmitter 10 and the controller 11 are connected to external power sources, respectively.
In this embodiment, the external power supply is connected to the humidity sensor 8, the signal transmitter 10 and the controller 11 through wires, and the external power supply is used to supply power to the humidity sensor 8, the signal transmitter 10 and the controller 11.
Working principle: when the oil pipe is connected with the external oil port 2, the oil pipe penetrates into the inner cavity of the protection ring 5 from the elastic ring 7, so that the oil pipe is connected with the external oil port 2, the elastic force of the elastic ring 7 is utilized to enable the elastic ring 7 to be in close contact with the side face of the oil pipe, the connection part between the external oil port 2 and the oil pipe is protected through the protection ring 5 and the elastic cloth 6, in addition, when the oil pipe is used, the humidity of the inner cavity of the protection ring 5 is detected by the humidity sensor 8, when leakage occurs at the connection part between the external oil port 2 and the oil pipe, the humidity of the inner cavity of the protection ring 5 is detected by the humidity sensor 8 to be larger, and a controller 11 is utilized to control a signal transmitter 10 to transmit a humidity signal detected by the humidity sensor 8 to an external control room so as to maintain the oil pipe, and meanwhile, the connection tightness between the distributing valve body 1 and the oil pipe is ensured.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution and the modified concept thereof, within the scope of the present utility model.
Claims (6)
1. The utility model provides a hydraulic turbine generating set cartridge integrated form accident distributing valve, includes distributing valve body (1), its characterized in that: the side of distributing valve body (1) is provided with a plurality of external hydraulic fluid ports (2), the side of distributing valve body (1) just is located the outside of external hydraulic fluid port (2) and is provided with screw thread groove (3), screw thread ring (4) are installed to screw thread groove (3) upper thread, terminal surface fixedly connected with protection ring (5) of screw thread ring (4), the inner wall fixedly connected with elasticity cloth (6) of protection ring (5) one end, the inboard fixedly connected with elasticity circle (7) of elasticity cloth (6).
2. The hydraulic turbine generator set plug-in integrated type accident distribution valve according to claim 1, wherein: the inner wall fixed mounting of protection ring (5) has humidity transducer (8), the inner wall of protection ring (5) is provided with mounting box (9), the inner chamber of mounting box (9) is provided with controller (11), the inner chamber fixed mounting of mounting box (9) has signal transmitter (10), the output of signal transmitter (10) extends to the outside of protection ring (5).
3. The hydraulic turbine generator set plug-in integrated type accident distribution valve according to claim 1, wherein: the hydraulic pressure valve is characterized in that an oil pressure device (14) is arranged at the top of the pressure distribution valve body (1), a mechanical hydraulic overspeed protection device (15) is arranged at the top of the pressure distribution valve body (1), and the oil pressure device (14) is communicated with the mechanical hydraulic overspeed protection device (15) through a differential pressure valve.
4. The hydraulic turbine generator set plug-in integrated type accident distribution valve according to claim 1, wherein: the bottom surface of the distributing valve body (1) is provided with an installation seat (12), and a plurality of installation holes (13) are formed in the installation seat (12).
5. The hydraulic turbine generator set plug-in integrated type accident distribution valve according to claim 1, wherein: the top surface of the distributing valve body (1) is fixedly provided with a plurality of hanging rings (16).
6. The hydraulic turbine generator set plug-in integrated type accident distribution valve according to claim 2, wherein: the humidity sensor (8), the signal transmitter (10) and the controller (11) are respectively connected with an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322078978.7U CN220452841U (en) | 2023-08-03 | 2023-08-03 | Water turbine generator set cartridge integrated type accident pressure distribution valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322078978.7U CN220452841U (en) | 2023-08-03 | 2023-08-03 | Water turbine generator set cartridge integrated type accident pressure distribution valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220452841U true CN220452841U (en) | 2024-02-06 |
Family
ID=89727936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322078978.7U Active CN220452841U (en) | 2023-08-03 | 2023-08-03 | Water turbine generator set cartridge integrated type accident pressure distribution valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220452841U (en) |
-
2023
- 2023-08-03 CN CN202322078978.7U patent/CN220452841U/en active Active
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