CN216407033U - Double-electromagnetic-valve electric linkage device for generator air brake - Google Patents
Double-electromagnetic-valve electric linkage device for generator air brake Download PDFInfo
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- CN216407033U CN216407033U CN202122770955.3U CN202122770955U CN216407033U CN 216407033 U CN216407033 U CN 216407033U CN 202122770955 U CN202122770955 U CN 202122770955U CN 216407033 U CN216407033 U CN 216407033U
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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 a double-electromagnetic-valve electric linkage device for a generator air brake, which relates to the field of generator air brakes and comprises an air brake and an air storage tank; air brake stopper, it includes brake pipe way and reset pipeline, one side of gas holder is connected with brake pipe way, reset pipeline is installed to brake pipe way's side, the gas holder, it includes total supply valve and the main pipeline of air feed, brake pipe way's side is provided with the main pipeline of air feed, the bottom of the main pipeline of air feed is connected with total supply valve, this scheme adopts two solenoid valve electrical linkage, the redundant configuration of solenoid valve, improve air brake control system's stability, air brake braking chamber keeps the binary channels intercommunication with atmospheric pressure, prevent the unusual jack-up of air brake, manual operation has independent gas circuit after the transformation, and can cut off automatic circuit, when having guaranteed that the brake cabinet automatic control is unusual, the normal manual braking of unit ability.
Description
Technical Field
The utility model relates to the technical field of generator air brakes, in particular to a double-electromagnetic-valve electric linkage device for a generator air brake.
Background
The air brake of the vertical water turbine generator set adopts a three-piston air pressure reset type, the control mode adopts a single electromagnetic valve, and air inlet and air outlet of the air brake are controlled by mechanical linkage of the single electromagnetic valve. The control mode of the air brake of each hydroelectric generating set in the current system mainly comprises a braking and resetting integrated electromagnetic valve; braking and resetting split electromagnetic valve. The air brake cavity and the atmospheric pressure are communicated in a mode that air is fed and exhausted through mechanical linkage of a single electromagnetic valve. In normal operation of the unit, the air brake is abnormally jacked up, so that the air brake is damaged, the brake ring and the rotor are deformed, and a fire accident of the generator can be seriously caused.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.
The present invention has been made in view of the above and/or other problems occurring in the prior art.
Therefore, the problem to be solved by the present invention is how to provide a dual electromagnetic valve electric linkage device for a generator air brake.
In order to solve the technical problems, the utility model provides the following technical scheme: a double-electromagnetic-valve electric linkage device for a generator air brake comprises,
a pneumatic brake and a gas reservoir;
the air brake comprises a brake pipeline and a return pipeline, wherein one side of the air storage tank is connected with the brake pipeline, and the return pipeline is installed at the side end of the brake pipeline;
the air storage tank comprises a main air supply valve and a main air supply pipeline, the main air supply pipeline is arranged at the side end of the brake pipeline, and the bottom of the main air supply pipeline is connected with the main air supply valve.
Based on the technical characteristics: the brake pipeline and the reset pipeline are independently arranged, and the exhaust electromagnetic valve is independently arranged at the upper end of the brake pipeline, so that the communication between the air brake braking cavity and the atmospheric pressure under the normal condition is realized, and the functions of air brake braking and resetting can be manually operated when the automatic air brake control system is abnormal.
As a preferable scheme of the dual-electromagnetic-valve electric linkage device for the wind brake of the generator, the dual-electromagnetic-valve electric linkage device comprises: the brake pipeline comprises a brake branch pipe and a brake electromagnetic valve, the side end of the main air supply valve is connected with the brake branch pipe, and one end of the brake branch pipe is provided with the brake electromagnetic valve.
Based on the technical characteristics: through the braking branch pipe structure, the braking electromagnetic valve is conveniently connected in series at one end of the braking pipeline.
As a preferable scheme of the dual-electromagnetic-valve electric linkage device for the wind brake of the generator, the dual-electromagnetic-valve electric linkage device comprises: the resetting pipeline comprises a manual exhaust valve and a manual exhaust pipeline, the side end of the air brake is connected with the manual exhaust pipeline, and the manual exhaust valve is installed at one end of the manual exhaust pipeline.
Based on the technical characteristics: through manual discharge valve and manual exhaust pipe structure, avoid the unusual jack-up of air brake to the harm of unit in the unit operation process, improve braking system's reliability simultaneously.
As a preferable scheme of the dual-electromagnetic-valve electric linkage device for the wind brake of the generator, the dual-electromagnetic-valve electric linkage device comprises: the manual exhaust valve comprises a resetting electromagnetic valve and an exhaust port, the resetting electromagnetic valve is mounted at the side end of the manual exhaust pipeline, and the exhaust port is further formed in one end of the resetting electromagnetic valve.
Based on the technical characteristics: by resetting the electromagnetic valve and the exhaust port structure, the action flow of the air brake can be optimized, and in the starting and normal operation processes of the unit, the manual operation has an independent air loop and can cut off an automatic loop, so that the unit can be normally and manually braked when the brake cabinet is automatically controlled abnormally.
As a preferable scheme of the dual-electromagnetic-valve electric linkage device for the wind brake of the generator, the dual-electromagnetic-valve electric linkage device comprises: the manual exhaust pipeline comprises a connecting flange, a fastening piece and a filtering mechanism, the connecting flange is mounted in the middle of the manual exhaust pipeline, the fastening piece is arranged at the side end of the connecting flange, and the filtering mechanism is further connected inside the connecting flange.
Based on the technical characteristics: through manual exhaust pipeline structure, can carry out filtration treatment to the air brake stopper combustion gas, avoid impurity to arrange the discharge process in the damage exhaust solenoid valve.
As a preferable scheme of the dual-electromagnetic-valve electric linkage device for the wind brake of the generator, the dual-electromagnetic-valve electric linkage device comprises: the connecting flange comprises a first limiting groove and a second limiting groove, the two sides of the filtering mechanism are provided with the first limiting groove, and the side end of the first limiting groove is also provided with the second limiting groove.
Based on the technical characteristics: through first spacing groove and second spacing groove structure, conveniently with the spacing connection of filter mechanism in flange's inside, can promote the stability of flange to the filter mechanism installation.
As a preferable scheme of the dual-electromagnetic-valve electric linkage device for the wind brake of the generator, the dual-electromagnetic-valve electric linkage device comprises: the filter mechanism comprises a sealing shell and a filter element, the sealing shell is arranged inside the connecting flange, and the filter element is arranged inside the sealing shell.
Based on the technical characteristics: through sealed casing and filter core structure, can promote the sealing performance of filter equipment and flange.
As a preferable aspect of the present invention, wherein: the air supply main pipeline comprises a barometer and an exhaust solenoid valve, the exhaust solenoid valve is installed at one end of the manual exhaust pipeline, and the barometer is further arranged at one end of the exhaust solenoid valve.
Based on the technical characteristics: through barometer and exhaust solenoid valve structure, can detect the inside atmospheric pressure value in air brake braking chamber, make air brake braking chamber and atmospheric pressure can keep the binary channels intercommunication to reach the purpose that prevents the unusual jack-up of air brake.
The utility model has the beneficial effects that: this scheme adopts two solenoid valve electrical linkage, and the redundant configuration of solenoid valve improves air brake control system's stability, and air brake braking chamber keeps the binary channels intercommunication with atmospheric pressure, prevents that the air brake from unusual jack-up, and manual operation has independent gas circuit after the transformation to can cut off automatic circuit, when having guaranteed that the brake cabinet automatic control is unusual, the unit can normal manual braking.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic diagram of a modified brake cabinet control principle of a dual-electromagnetic-valve electric linkage device for a generator air brake in example 1.
FIG. 2 is a schematic diagram showing a normal state valve core position of a dual-electromagnetic-valve electric linkage device for a generator air brake.
FIG. 3 is a schematic diagram of a failure of a damper solenoid valve of a dual solenoid valve electric linkage for a generator damper.
FIG. 4 is a schematic diagram of a manual exhaust pipeline of a dual-solenoid valve electric linkage for a generator damper in example 2.
FIG. 5 is a schematic diagram of a filter mechanism of the dual solenoid valve electric linkage for the generator damper of example 3.
In the drawings, the components represented by the respective reference numerals are listed below:
100. a damper brake; 101. a brake pipe; 101a, a brake branch pipe; 101b, a brake solenoid valve; 102. resetting the pipeline; 102a, a manual exhaust valve; 102a-1, a reset electromagnetic valve; 102a-2, an exhaust port; 102b, a manual exhaust pipeline; 102b-1, a connecting flange; 102b-1a, a first limit groove; 102b-1b and a second limit groove; 102b-2, fasteners; 102b-3, a filtering mechanism; 102b-3a, a sealed housing; 102b-3b, a filter element; 200. a gas storage tank; 201. a main supply air valve; 202. a main gas supply pipeline; 202a, a barometer; 202b, exhaust solenoid valve.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1, there is provided a first embodiment of the present invention, which provides a dual solenoid valve electrical linkage for a generator damper, comprising,
a damper brake 100 and an air tank 200;
the air brake 100 comprises a brake pipeline 101 and a return pipeline 102, wherein one side of the air storage tank 200 is connected with the brake pipeline 101, and the return pipeline 102 is installed at the side end of the brake pipeline 101;
the air storage tank 200 comprises a main air supply valve 201 and a main air supply pipeline 202, the main air supply pipeline 202 is arranged at the side end of the brake pipeline 101, the main air supply valve 201 is connected to the bottom of the main air supply pipeline 202, the brake pipeline 101 and the reset pipeline 102 are independently arranged, and an exhaust electromagnetic valve 202b is independently installed at the upper end of the brake pipeline 101, so that the air brake cavity is communicated with the atmospheric pressure under the normal condition, and the air brake automatic control system can be manually operated to perform air brake braking and reset functions when abnormal conditions occur, the brake pipeline 101 comprises a brake branch pipe 101a and a brake electromagnetic valve 101b, and the brake electromagnetic valve 101b is conveniently connected to one end of the brake pipeline 101 in series through the structure of the brake branch pipe 101 a.
Example 2
Referring to fig. 3, a second embodiment of the present invention, which is different from the first embodiment, is: the side end of a main air supply valve 201 is connected with a brake branch pipe 101a, one end of the brake branch pipe 101a is provided with a brake electromagnetic valve 101b, a reset pipeline 102 comprises a manual exhaust valve 102a and a manual exhaust pipeline 102b, the side end of an air brake 100 is connected with a manual exhaust pipeline 102b, one end of the manual exhaust pipeline 102b is provided with a manual exhaust valve 102a, damage to a unit caused by abnormal jacking of an air brake in the operation process of the unit is avoided through the structures of the manual exhaust valve 102a and the manual exhaust pipeline 102b, meanwhile, the reliability of a brake system is improved, the manual exhaust valve 102a comprises a reset electromagnetic valve 102a-1 and an exhaust port 102a-2, the side end of the manual exhaust pipeline 102b is provided with a reset electromagnetic valve 102a-1, one end of the reset electromagnetic valve 102a-1 is also provided with an exhaust port 102a-2, and through the structures of the reset electromagnetic valve 102a-1 and the exhaust port 102a-2, the action flow of the air brake can be optimized, in the process of starting and normal operation of the unit, manual operation is provided with a single air loop, and an automatic loop can be cut off, so that the unit can be normally and manually braked when the automatic control of the brake cabinet is abnormal, the manual exhaust pipeline 102b comprises a connecting flange 102b-1, a fastening piece 102b-2 and a filtering mechanism 102b-3, the connecting flange 102b-1 is installed in the middle of the manual exhaust pipeline 102b, the fastening piece 102b-2 is arranged at the side end of the connecting flange 102b-1, the filtering mechanism 102b-3 is further connected inside the connecting flange 102b-1, and exhaust gas exhausted by the air brake 100 can be filtered through the structure of the manual exhaust pipeline 102b, so that the exhaust electromagnetic valve 202b is prevented from being damaged in the impurity exhaust process.
Example 3
Referring to fig. 4, a third embodiment of the present invention, which is different from the first two embodiments, is shown: the connecting flange 102b-1 comprises a first limiting groove 102b-1a and a second limiting groove 102b-1b, the two sides of the filtering mechanism 102b-3 are provided with first limiting grooves 102b-1a, the side end of the first limiting groove 102b-1a is also provided with a second limiting groove 102b-1b, the filtering mechanism 102b-3 is conveniently connected in a limiting manner inside the connecting flange 102b-1 through the structures of the first limiting groove 102b-1a and the second limiting groove 102b-1b, the stability of the connecting flange 102b-1 for mounting the filtering mechanism 102b-3 can be improved, the filtering mechanism 102b-3 comprises a sealing shell 102b-3a and a filter element 102b-3b, the sealing shell 102b-3a is mounted inside the connecting flange 102b-1, the filter element 102b-3b is arranged inside the sealing shell 102b-3a, the sealing performance of the filtering mechanism 102b-3 and the connecting flange 102b-1 can be improved through the structures of the sealing shell 102b-3a and the filter element 102b-3b, the air supply main pipeline 202 comprises an air pressure gauge 202a and an exhaust electromagnetic valve 202b, the exhaust electromagnetic valve 202b is installed at one end of the manual exhaust pipeline 102b, the air pressure gauge 202a is further arranged at one end of the exhaust electromagnetic valve 202b, and the air pressure value in the air brake braking cavity can be detected through the structures of the air pressure gauge 202a and the exhaust electromagnetic valve 202b, so that the air brake braking cavity can be communicated with the atmospheric pressure in a double-channel mode, and the purpose of preventing the air brake from being lifted abnormally is achieved.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (8)
1. The utility model provides a two solenoid valve electrical linkage devices for generator air brake which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a damper brake (100) and an air reservoir (200);
the air brake (100) comprises a brake pipeline (101) and a return pipeline (102), one side of the air storage tank (200) is connected with the brake pipeline (101), and the return pipeline (102) is installed at the side end of the brake pipeline (101);
the air storage tank (200) comprises a main air supply valve (201) and a main air supply pipeline (202), the main air supply pipeline (202) is arranged at the side end of the brake pipeline (101), and the bottom of the main air supply pipeline (202) is connected with the main air supply valve (201).
2. The dual-solenoid valve electrical linkage for the generator damper as claimed in claim 1, wherein: the brake pipeline (101) comprises a brake branch pipe (101a) and a brake electromagnetic valve (101b), the side end of the main air supply valve (201) is connected with the brake branch pipe (101a), and the brake electromagnetic valve (101b) is installed at one end of the brake branch pipe (101 a).
3. The dual-solenoid valve electrical linkage for the generator damper as claimed in claim 1, wherein: the return pipeline (102) comprises a manual exhaust valve (102a) and a manual exhaust pipeline (102b), the manual exhaust pipeline (102b) is connected to the side end of the air brake (100), and the manual exhaust valve (102a) is installed at one end of the manual exhaust pipeline (102 b).
4. The dual-solenoid valve electrical linkage for the generator damper as claimed in claim 3, wherein: the manual exhaust valve (102a) comprises a return electromagnetic valve (102a-1) and an exhaust port (102a-2), the return electromagnetic valve (102a-1) is installed at the side end of the manual exhaust pipeline (102b), and the exhaust port (102a-2) is further formed in one end of the return electromagnetic valve (102 a-1).
5. The dual-solenoid valve electrical linkage for the generator damper as claimed in claim 3, wherein: the manual exhaust pipeline (102b) comprises a connecting flange (102b-1), a fastening piece (102b-2) and a filtering mechanism (102b-3), the connecting flange (102b-1) is installed in the middle of the manual exhaust pipeline (102b), the fastening piece (102b-2) is arranged at the side end of the connecting flange (102b-1), and the filtering mechanism (102b-3) is further connected inside the connecting flange (102 b-1).
6. The dual-solenoid valve electrical linkage for the generator damper as claimed in claim 5, wherein: the connecting flange (102b-1) comprises a first limiting groove (102b-1a) and a second limiting groove (102b-1b), the first limiting groove (102b-1a) is formed in two sides of the filtering mechanism (102b-3), and the second limiting groove (102b-1b) is formed in the side end of the first limiting groove (102b-1 a).
7. The dual-solenoid valve electrical linkage for the generator damper as claimed in claim 5, wherein: the filtering mechanism (102b-3) comprises a sealing shell (102b-3a) and a filter element (102b-3b), the sealing shell (102b-3a) is installed inside the connecting flange (102b-1), and the filter element (102b-3b) is arranged inside the sealing shell (102b-3 a).
8. The dual-solenoid valve electrical linkage for the generator damper as claimed in claim 3, wherein: the gas supply main pipeline (202) comprises a gas pressure meter (202a) and an exhaust solenoid valve (202b), the exhaust solenoid valve (202b) is installed at one end of the manual exhaust pipeline (102b), and the gas pressure meter (202a) is further arranged at one end of the exhaust solenoid valve (202 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122770955.3U CN216407033U (en) | 2021-11-12 | 2021-11-12 | Double-electromagnetic-valve electric linkage device for generator air brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122770955.3U CN216407033U (en) | 2021-11-12 | 2021-11-12 | Double-electromagnetic-valve electric linkage device for generator air brake |
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| Publication Number | Publication Date |
|---|---|
| CN216407033U true CN216407033U (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122770955.3U Active CN216407033U (en) | 2021-11-12 | 2021-11-12 | Double-electromagnetic-valve electric linkage device for generator air brake |
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| CN (1) | CN216407033U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182945A (en) * | 2022-07-08 | 2022-10-14 | 华北电力科学研究院有限责任公司西安分公司 | Pneumatic braking system of wind turbine generator and control method thereof |
-
2021
- 2021-11-12 CN CN202122770955.3U patent/CN216407033U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182945A (en) * | 2022-07-08 | 2022-10-14 | 华北电力科学研究院有限责任公司西安分公司 | Pneumatic braking system of wind turbine generator and control method thereof |
| CN115182945B (en) * | 2022-07-08 | 2024-02-09 | 华北电力科学研究院有限责任公司西安分公司 | Pneumatic braking system of wind turbine generator and control method thereof |
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