CN203476599U - Automatic air replenishing device based on solenoid valve control and applied to speed controller - Google Patents
Automatic air replenishing device based on solenoid valve control and applied to speed controller Download PDFInfo
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- CN203476599U CN203476599U CN201320600241.0U CN201320600241U CN203476599U CN 203476599 U CN203476599 U CN 203476599U CN 201320600241 U CN201320600241 U CN 201320600241U CN 203476599 U CN203476599 U CN 203476599U
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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 automatic air replenishing device based on solenoid valve control and applied to a speed controller. The automatic air replenishing device based on solenoid valve control and applied to the speed controller comprises a first normally-open valve (1), a filter (2) and a second normally-open valve (3), wherein the first normally-open valve (1), the filter (2) and the second normally-open valve (3) are connected in sequence, the first normally-open valve (1) is connected with a high-pressure air supply, the second normally-open valve (3) is connected with a pressure oil groove of the speed controller, an automatic air replenishing circuit (4) and a manual air replenishing circuit (5) which are connected in parallel are arranged between the filter (2) and the second normally-open valve (3), the automatic air replenishing circuit (4) comprise a third normally-open valve (4), an automatic air replenishing solenoid valve (42) and a first check valve (43), the third normally-open valve (4), the automatic air replenishing solenoid valve (42) and the first check valve (43) are connected in series, the manual air replenishing circuit (5) comprise a first normally-closed valve (51), a first throttling valve (52) and a second check valve (53), and the first normally-closed valve (51), the first throttling valve (52) and the second check valve (53) are connected in series. The automatic air replenishing device based on solenoid valve control and applied to the speed controller has the advantages of being high in automatic air replenishing reliability, simple in structure, stable and reliable in pressure, small in size and compact in structure.
Description
Technical field
The utility model relates to the automatic inflating device technology of speed regulator for hydroelectric power, is specifically related to a kind of speed regulator automatic air supply device based on electromagnetic valve.
Background technique
Speed regulator is for controlling the equipment of hydraulic turbine discharge and unit, speed regulator maintains stable pressure oil by a pressure oil groove and supplies with, top is full of pressurized air to pressure oil groove in use, bottom is full of pressure oil, and pressure oil groove is realized the constant pressure that keeps pressure oil groove internal pressure oil to pressure oil groove top automatic inflating device by a speed regulator automatic air supply device.
As shown in Figure 1, the speed regulator automatic air supply device of prior art comprises by normally open valve 6Q101, filter 6Q107, normally open valve 6Q102, automatic inflating device solenoid valve group, check valve 6Q108, normally open valve 6Q104, filter 6Q109, the automatic inflating device loop that normally open valve 6Q106 forms, the manual tonifying Qi loop being formed by normally close valve 6Q103, and the pressure air circuit that disappears being formed by outlet valve 6Q105, the input end of normally close valve 6Q103 is connected to filter 6Q107, between normally open valve 6Q102, the output terminal of normally close valve 6Q103 is connected to normally open valve 6Q104, between filter 6Q109, outlet valve 6Q105 is connected to normally open valve 6Q104, between filter 6Q109, the B302-2 type solenoid valve group that automatic inflating device solenoid valve Zu Wei Xi'an River Electric Station Tech. Development Co., Ltd. produces, the structure of B302-2 type solenoid valve group is mainly comprised of solenoid valve D4 and solenoid valve D5.When automatic inflating device condition is satisfied or electric hand moves tonifying Qi, source of the gas is connected in solenoid valve D4 action, solenoid valve D5 closes exhaust, can carry out tonifying Qi to pressure oil groove, when tonifying Qi finishes, solenoid valve D4 resets and closes source of the gas, and solenoid valve D5 connects and gets rid of check valve 6Q108 to the gas between solenoid valve D4; When the manual tonifying Qi of needs, close normally open valve 6Q102, normally open valve 6Q104, open normally close valve 6Q103, realize the manual tonifying Qi of pressure oil groove; When pressure oil groove need to disappear pressure gas, close normally open valve 6Q101 or normally open valve 6Q102, open outlet valve 6Q105, the pressure oil groove pressure that disappears.There is following technical problem in the speed regulator automatic air supply device of prior art: 1, automatic inflating device loop consists of normally open valve 6Q101, filter 6Q107, normally open valve 6Q102, the automatic inflating device solenoid valve group, check valve 6Q108, normally open valve 6Q104, filter 6Q109, the normally open valve 6Q106 that are comprised of solenoid valve D4 and solenoid valve D5, therefore there is the various shortcoming of device, once in use some devices occur aging or damage, and will directly affect the operation in whole automatic inflating device loop; In addition, the automatic inflating device solenoid valve group bulky that the solenoid valve D4 of prior art and solenoid valve D5 form, easily breaks down, and reliability is poor.2, when opening the normally close valve 6Q103 in manual tonifying Qi loop and carry out manual tonifying Qi, once high-pressure air source breaks down, easily cause in the pressure oil groove of speed regulator pressure fluctuation larger, affect the normal operation of speed regulator.3, the pressure air circuit that disappears consists of outlet valve 6Q105, when opening outlet valve 6Q105 and disappear pressure gas, because outlet valve 6Q105 is directly communicated with outside, therefore easily cause the pressure reduction of the pressure oil groove of speed regulator to decline too fast, affect the normal operation of speed regulator, and the pressurized air of discharging while disappearing pressure gas can produce larger noise, affect surrounding enviroment.
Model utility content
The technical problems to be solved in the utility model is to provide that a kind of automatic inflating device reliability is high, simple in structure, pressure stability is reliable, volume is little, the speed regulator automatic air supply device based on electromagnetic valve of compact structure.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of speed regulator automatic air supply device based on electromagnetic valve, comprise the first normally open valve being connected successively, filter and the second normally open valve, described the first normally open valve is connected with high-pressure air source, described the second normally open valve is connected with the pressure oil groove of speed regulator, described filter, between the second normally open valve, be provided with automatic inflating device loop and the manual tonifying Qi loop of parallel join, described automatic inflating device loop comprises the 3rd normally open valve connected in series, automatic inflating device solenoid valve and the first check valve, described manual tonifying Qi loop comprises the first normally close valve connected in series, first throttle valve and the second check valve.
Further improvement as model utility technique scheme:
Between described the second normally open valve and the pressure oil groove of speed regulator, be also provided with the pressure air circuit that disappears, the described pressure air circuit that disappears comprises the second normally close valve and the second throttle valve, the input end of described the second normally close valve is connected between the second normally open valve and the pressure oil groove of speed regulator, and the output terminal of described the second normally close valve is connected with the input end of the second throttle valve.
The output terminal of described the second throttle valve is connected with baffler.
The utlity model has following advantage:
1, automatic inflating device of the present utility model loop comprises the 3rd normally open valve connected in series, automatic inflating device solenoid valve and the first check valve, automatic inflating device loop is in conjunction with the first normally open valve, filter and the second normally open valve relate to 6 devices altogether, and the automatic inflating device loop of the speed regulator automatic air supply device of prior art relates to 9 devices altogether, therefore the device of the speed regulator automatic air supply device use of the relative prior art of the present embodiment still less, in use because of some device generation aged deteriorations, cause the possibility of whole automatic inflating device loop fault less, there is automatic inflating device reliability high, advantage simple in structure.
2, the solenoid valve group that the utility model forms two solenoid valves of prior art replaces with that volume is little, the automatic inflating device solenoid valve of compact structure, good reliability, has advantages of that automatic inflating device reliability is high, simple in structure, volume is little, compact structure.
3, manual tonifying Qi of the present utility model loop comprises the first normally close valve connected in series, first throttle valve and the second check valve, even high-pressure air source breaks down when manual tonifying Qi, first throttle valve can carry out throttling pressure limiting to pressurized air, the second check valve prevents that pressurized air from flowing backwards, therefore can effectively suppress the pressure fluctuation in pressure oil groove, guarantee that speed regulator can normally, stably carry out speed governing work, has the reliable advantage of pressure stability.
Accompanying drawing explanation
Fig. 1 is the theory structure schematic diagram of prior art speed regulator automatic air supply device.
Fig. 2 is the utility model embodiment's theory structure schematic diagram.
Marginal data: 1, the first normally open valve; 2, filter; 3, the second normally open valve; 4, automatic inflating device loop; 41, the 3rd normally open valve; 42, automatic inflating device solenoid valve; 43, the first check valve; 5, manual tonifying Qi loop; 51, the first normally close valve; 52, first throttle valve; 53, the second check valve; 6, the pressure air circuit that disappears; 61, the second normally close valve; 62, the second throttle valve; 63, baffler.
Embodiment
As shown in Figure 2, the speed regulator automatic air supply device of the present embodiment based on electromagnetic valve comprises the first normally open valve 1 being connected successively, filter 2 and the second normally open valve 3, the first normally open valve 1 is connected with high-pressure air source, the second normally open valve 3 is connected with the pressure oil groove of speed regulator, filter 2, between the second normally open valve 3, be provided with automatic inflating device loop 4 and the manual tonifying Qi loop 5 of parallel join, automatic inflating device loop 4 comprises the 3rd normally open valve 41 connected in series, automatic inflating device solenoid valve 42 and the first check valve 43, manually tonifying Qi loop 5 comprises the first normally close valve 51 connected in series, first throttle valve 52 and the second check valve 53.
The automatic inflating device loop 4 of the present embodiment comprises the 3rd normally open valve 41 connected in series, automatic inflating device solenoid valve 42 and the first check valve 43, automatic inflating device loop 4 is in conjunction with the first normally open valve 1, filter 2 and the second normally open valve 3 relate to 6 devices altogether, and the automatic inflating device loop of the speed regulator automatic air supply device of prior art relates to 9 devices altogether, therefore the device of the speed regulator automatic air supply device use of the relative prior art of the present embodiment still less, in use because of some device generation aged deteriorations, cause the possibility of whole automatic inflating device loop fault less, there is automatic inflating device reliability high, advantage simple in structure, and, the B302-2 type solenoid valve group that the present embodiment forms two solenoid valves of prior art replaces with that volume is little, the automatic inflating device solenoid valve 42 of compact structure, good reliability, the concrete HERION(of the employing oceanic rise of automatic inflating device solenoid valve 42) the 9107500.0700 type solenoid valves of producing, have advantages of that volume is little, compact structure, in addition, the manual tonifying Qi loop 5 of the present embodiment comprises the first normally close valve 51 connected in series, first throttle valve 52 and the second check valve 53, even high-pressure air source breaks down when manual tonifying Qi, first throttle valve 52 can carry out throttling pressure limiting to pressurized air, the second check valve 53 prevents that pressurized air from flowing backwards, therefore can effectively suppress the pressure fluctuation in pressure oil groove, guarantee that speed regulator can normally, stably carry out speed governing work, has the reliable advantage of pressure stability.
In the present embodiment, between the second normally open valve 3 and the pressure oil groove of speed regulator, be also provided with the pressure air circuit 6 that disappears, the pressure air circuit 6 that disappears comprises the second normally close valve 61 and the second throttle valve 62, the input end of the second normally close valve 61 is connected between the second normally open valve 3 and the pressure oil groove of speed regulator, and the output terminal of the second normally close valve 61 is connected with the input end of the second throttle valve 62.When opening 61 pairs of pressure oil grooves of the second normally close valve and disappear pressure gas, because the output terminal of the second normally close valve 61 is connected with the input end of the second throttle valve 62, therefore the effect that the second throttle valve 62 can cushion the pressurized air of discharging, pressure oil groove directly directly can be communicated with outside, prevent that to cause that the pressure reduction of pressure oil groove declines too fast due to the pressure gas that disappears, even if also can guarantee that when disappearing pressure gas speed regulator normally, stably work.
In the present embodiment, the BV-04F that the first normally open valve 1, the second normally open valve 3, the 3rd normally open valve 41, the first normally close valve 51, the second normally close valve 61 all adopt Suzhou Industrial Park Guang De valve Co., Ltd to produce, G1/2 type high-pressure ball valve; The SS316 type double card shell type high voltage precision filter that filter 2 adopts Suzhou Industrial Park Guang De valve Co., Ltd to produce, its working pressure 7MPa, external connecting pipe road external diameter 12mm, pipe thickness 3mm; The NV-12OD(double card shell type that first throttle valve 52 and the second throttle valve 62 all adopt Suzhou Industrial Park Guang De valve Co., Ltd to produce, SS316 material) type throttle valve, its working pressure 7MPa, external connecting pipe road external diameter 12mm, pipe thickness 3mm; The CV-04F that the first check valve 43 and the second check valve 53 all adopt Suzhou Industrial Park Guang De valve Co., Ltd to produce, G1/2 type check valve.
The working procedure of the present embodiment is as follows: the present embodiment is when normal operation, the first normally open valve 1, the 3rd normally open valve 41, the second normally open valve 3 are opened, when tonifying Qi condition is satisfied or electric hand moves tonifying Qi, sources of the gas are connected in 42 actions of automatic inflating device solenoid valve, realize pressure oil groove automatic inflating device; When the manual tonifying Qi of needs, close the 3rd normally open valve 41, open the first normally close valve 51 and can realize manual tonifying Qi; When pressure oil groove need to disappear pressure gas, close the second normally open valve 3, open the second normally close valve 61, pressurized air in pressure oil groove successively by the second throttle valve 62, be arranged on baffler on the second throttle valve 62 63 and realize the pressure gas that disappears, the automatic inflating device reliability of speed regulator is greatly improved, thereby for realizing the remote control operation of speed regulator, built good basis, there is positive application value.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technological schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. the speed regulator automatic air supply device based on electromagnetic valve, it is characterized in that: comprise the first normally open valve (1) being connected successively, filter (2) and the second normally open valve (3), described the first normally open valve (1) is connected with high-pressure air source, described the second normally open valve (3) is connected with the pressure oil groove of speed regulator, described filter (2), between the second normally open valve (3), be provided with automatic inflating device loop (4) and the manual tonifying Qi loop (5) of parallel join, described automatic inflating device loop (4) comprises the 3rd normally open valve (41) connected in series, automatic inflating device solenoid valve (42) and the first check valve (43), described manual tonifying Qi loop (5) comprises the first normally close valve (51) connected in series, first throttle valve (52) and the second check valve (53).
2. the speed regulator automatic air supply device based on electromagnetic valve according to claim 1, it is characterized in that: between described the second normally open valve (3) and the pressure oil groove of speed regulator, be also provided with the pressure air circuit (6) that disappears, the described pressure air circuit (6) that disappears comprises the second normally close valve (61) and the second throttle valve (62), the input end of described the second normally close valve (61) is connected between the second normally open valve (3) and the pressure oil groove of speed regulator, and the output terminal of described the second normally close valve (61) is connected with the input end of the second throttle valve (62).
3. the speed regulator automatic air supply device based on electromagnetic valve according to claim 2, is characterized in that: the output terminal of described the second throttle valve (62) is connected with baffler (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320600241.0U CN203476599U (en) | 2013-09-27 | 2013-09-27 | Automatic air replenishing device based on solenoid valve control and applied to speed controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320600241.0U CN203476599U (en) | 2013-09-27 | 2013-09-27 | Automatic air replenishing device based on solenoid valve control and applied to speed controller |
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| CN203476599U true CN203476599U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320600241.0U Expired - Fee Related CN203476599U (en) | 2013-09-27 | 2013-09-27 | Automatic air replenishing device based on solenoid valve control and applied to speed controller |
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| CN (1) | CN203476599U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847673A (en) * | 2015-05-27 | 2015-08-19 | 广东蓄能发电有限公司 | Condition based maintenance method of pressurized-water preserving ability under working condition of phase modulation of unit |
| CN113482989A (en) * | 2021-06-06 | 2021-10-08 | 中国长江电力股份有限公司 | Emergency air supplementing system and method for pressure vessel of hydraulic system of hydraulic turbine speed governor |
-
2013
- 2013-09-27 CN CN201320600241.0U patent/CN203476599U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847673A (en) * | 2015-05-27 | 2015-08-19 | 广东蓄能发电有限公司 | Condition based maintenance method of pressurized-water preserving ability under working condition of phase modulation of unit |
| CN113482989A (en) * | 2021-06-06 | 2021-10-08 | 中国长江电力股份有限公司 | Emergency air supplementing system and method for pressure vessel of hydraulic system of hydraulic turbine speed governor |
| CN113482989B (en) * | 2021-06-06 | 2023-12-08 | 中国长江电力股份有限公司 | Emergency air supplementing system and method for pressure vessel of hydraulic system of hydraulic turbine governor |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20140927 |
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| EXPY | Termination of patent right or utility model |