CN204921399U - Valve is closed to direction changing variable sectional type of protection motor - Google Patents
Valve is closed to direction changing variable sectional type of protection motor Download PDFInfo
- Publication number
- CN204921399U CN204921399U CN201520707249.6U CN201520707249U CN204921399U CN 204921399 U CN204921399 U CN 204921399U CN 201520707249 U CN201520707249 U CN 201520707249U CN 204921399 U CN204921399 U CN 204921399U
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- China
- Prior art keywords
- valve
- motor
- centrifugal pump
- hydrovalve
- water
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 230000008676 import Effects 0.000 claims abstract description 4
- 230000006378 damage Effects 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 6
- 238000004146 energy storage Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000010992 reflux Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Control Of Water Turbines (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a valve is closed to direction changing variable sectional type of protection motor, be responsible for including water delivery pond, imported valve, motor, centrifugal pump, hydrovalve, electronic maintain valve, the person in charge of intaking, play water, be provided with the connector between motor and the centrifugal pump, the centrifugal pump both ends are connected the import respectively and are responsible for and export the person in charge, the hydrovalve is installed on the export is responsible for, electronic maintain valve is installed on a water is responsible for and after being located the hydrovalve, it sets up the imported valve to intake to be responsible for. The utility model has the advantages of a valve is closed to direction changing variable sectional type of protection motor is provided, through installing the hydraulic pressure valve additional at the conduit delivery port, and the hydraulic pressure valve itself has a hydraulic pressure energy storage jar, can close valve itself through the energy storage jar promptly when the power disappears, very big like this protection the motor in the tripping operation and lose the circumstances of electricity under can all close the valve, avoided making the pump reversal and driving the high -speed reversal of motor because of the medium backward flow equipment such as damage motor and centrifugal pump.
Description
Technical field
The utility model belongs to valve arrangement technical field, espespecially for the pipeline of driven by motor centrifugal pump to High aititude fed sheet of a media, is particularly suitable for the valve of the situation of motor high-voltage trip or dead electricity, is specifically related to a kind of variable segment formula of motor reversal of protecting and closes valve.
Background technique
Along with the development of national economy, the water shortage problems such as city, down town and periphery county town are also more and more serious, and lack of water will seriously govern local society economic development.Seek high efficient utilization of water resources, realize water conservation under development, control water, control source cut dirt, water-saving and emission-reducing is the most important thing that protection is administered.And current distribution of water resources is in remote mountain areas, in remote mountains, effectively cannot utilize, need water to rise to certain height from low altitude area by pressurization, making with water electrode is inconvenience.Therefore, configure a motor and a centrifugal pump, motor and pump are determined according to different lifts, greatly improve the effectively integrating of water resources, effectively configure, effectively utilize, for socio-economic development contributes.
Model utility content
For above-mentioned deficiency of the prior art; the purpose of this utility model is intended to provide a kind of variable segment formula of motor reversal of protecting to close valve; by installing hydraulic valve additional at aqueduct water outlet; and hydraulic valve itself has hydraulic accumulation energy tank; namely energy storage canister throttle down itself can be passed through when power supply disappears; great like this protect motor when trip and dead electricity can throttle down; avoid because medium back flow makes pump reverse and drive motor high speed reverse rotation, damage the equipment such as motor and centrifugal pump.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of variable segment formula of motor reversal of protecting closes valve; comprise water delivery pond, inlet valve, motor, centrifugal pump, hydrovalve, electronic service valve, water inlet supervisor, water outlet main pipe; connector is provided with between described motor and centrifugal pump; described centrifugal pump two ends connect import supervisor and outlet supervisor respectively; described hydrovalve is arranged on outlet supervisor; described electronic service valve to be arranged in water outlet main pipe and after being positioned at hydrovalve, described water inlet supervisor to arrange inlet valve.
Specifically, described water delivery pond is the total pond of aqueduct preferably, water supervisor is installed at the bottom sidewall in the total pond of aqueduct, described water inlet supervisor is opened in the position lower than the total pool bottom end opening-2 meters of distance aqueduct, the output terminal of water inlet supervisor is connected to inlet valve, realize being connected with the water intake of centrifugal pump by inlet valve, centrifugal pump is connected with motor 3 by coupling, centrifugal delivery side of pump is connected to water outlet main pipe, and water outlet main pipe is provided with hydraulic valve and electronic service valve.Described inlet valve and electronic maintenance valve are in normally open, just close, under normal operating conditions in situations such as needs maintenance, water delivery is met and centrifugal pump normally can to electric motor starting in water delivery pond, electric motor starting, to rated speed, opens hydrovalve, namely completes normal startup; Be then first close hydrovalve when orderly closedown, and valve normally close needs 60 seconds, when stopping motor after hydraulic valve closes, i.e. orderly closedown.When in water delivery process, the emergency case such as motor trips suddenly, dead electricity occur, motor will stop very soon because of inertia, if now hydrovalve normally cuts out, the water in pipeline will immediately to refluxing and accelerate in the other direction, when the water-band of backflow is moved centrifugal pump reversion and then produces powerful torsion, and force to stop the motor of inertial rotation, damage is brought to coupling, and then allows motor reversal, and As time goes on the speed of reversion will gather increasing, motor will be produced and will destroy greatly.For ensureing that the equipment such as centrifugal pump and motor can not be damaged under these circumstances, hydrovalve should emergency cut-off immediately, ensure that the safety of delivery equipment to greatest extent.
Under guaranteeing accident conditions further, hydrovalve can quick closedown, does not allow water delivery produce water hammer, do not allow motor reversal, send the urgent valve that closes to hydrovalve from the switch cubicle of motor, hydrovalve is action immediately, and by valve closing 90% in 4 seconds, can adjust the urgent time of closing valve 90% according to actual conditions, residue 10% was closed completely in 10 seconds, and equally, the time is adjustable, doing so avoids because accident causes motor isoinversion, injury is produced to equipment.
Further preferably, described water inlet is responsible for two ends and is connected water delivery pond and centrifugal pump respectively, and described water inlet supervisor and water delivery pond and centrifugal pump joint are provided with flange.Firm connection is convenient in such design, improves stabilization of equipment performance.
Further preferably, described centrifugal pump arranges motor, for providing power source.
The utility model has the following advantages relative to prior art:
(1), pass provided by the utility model valve method, overcoming prior art causes fed sheet of a media to reflux in the in particular cases shutdown suddenly such as motor high-voltage trip, dead electricity, centrifugal pump is reversed and drive motor reversion, adopt the utility model rear motor to close valve under some circumstances immediately and can not produce reversion;
(2), pass provided by the utility model valve method can be applied to other fed sheet of a media;
(3), the utility model ensure that the safety of pipe conveying procedure, reliably.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment, simple introduction is done below by the accompanying drawing used required in embodiment, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model structural representation.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making under creative work prerequisite, and the every other embodiment obtained, belongs to the utility model protection domain.
A kind of variable segment formula of motor reversal of protecting closes valve as shown in Figure 1; comprise water delivery pond 1, inlet valve 2, motor 3, centrifugal pump 4, hydrovalve 5, electronic service valve 6, water inlet supervisor 7, water outlet main pipe 8; connector is provided with between described motor 3 and centrifugal pump 4; described centrifugal pump 4 two ends connect import supervisor 7 and outlet supervisor 8 respectively; described hydrovalve 5 is arranged on outlet supervisor 8; described electronic service valve 6 to be arranged in water outlet main pipe 8 and after being positioned at hydrovalve 5, described water inlet supervisor 7 to arrange inlet valve 2.
Specifically, described water delivery pond 1 is the total pond of aqueduct preferably, water supervisor 7 is installed at the bottom sidewall in the total pond of aqueduct, described water inlet supervisor 7 is opened in the position lower than the total pool bottom end opening-2 meters of distance aqueduct, the output terminal of water inlet supervisor 7 is connected to inlet valve 2, realize being connected with the water intake of centrifugal pump 4 by inlet valve 2, centrifugal pump 4 is connected with motor 3 by coupling, the output terminal of centrifugal pump 4 is connected to water outlet main pipe 8, and water outlet main pipe 8 is provided with hydraulic valve 5 and electronic service valve 6.Described inlet valve 2 and electronic maintenance valve 6 are in normally open, just close, under normal operating conditions in situations such as needs maintenance, water delivery is met and centrifugal pump normally can to electric motor starting in water delivery pond 1, electric motor starting, to rated speed, opens hydrovalve 5, namely completes normal startup; Be then first close hydrovalve 5 when orderly closedown, and valve normally close needs 60 seconds, stopping motor 3 after hydrovalve 5 cuts out, i.e. orderly closedown.When in water delivery process, the emergency case such as motor trips suddenly, dead electricity occur, motor will stop very soon because of inertia, if now hydrovalve 5 normally cuts out, the water in pipeline will immediately to refluxing and accelerate in the other direction, when the water-band of backflow is moved centrifugal pump reversion and then produces powerful torsion, and force to stop the motor of inertial rotation, damage is brought to coupling, and then allows motor reversal, and As time goes on the speed of reversion will gather increasing, motor will be produced and will destroy greatly.For ensureing that the equipment such as centrifugal pump 4 and motor 3 can not be damaged under these circumstances, hydrovalve 5 should emergency cut-off immediately, ensure that the safety of delivery equipment to greatest extent.
Under guaranteeing accident conditions further, hydrovalve 5 can quick closedown, do not allow water delivery produce water hammer, do not allow motor reversal, send the urgent valve that closes to hydrovalve 5 from the switch cubicle of motor 3, hydrovalve 5 action immediately, and by valve closing 90% in 4 seconds, can adjust the urgent time of closing valve 90% according to actual conditions, residue 10% was closed completely in 10 seconds, doing so avoids because accident causes motor isoinversion, injury is produced to equipment.
Described water inlet supervisor 7 two ends connect water delivery pond 1 and centrifugal pump 4 respectively, and described water inlet supervisor 7 is provided with flange with water delivery pond 1 and centrifugal pump 4 joint.Firm connection is convenient in such design, improves stabilization of equipment performance.
Described centrifugal pump 4 arranges motor 3, for providing power source.
Claims (3)
1. protect the variable segment formula of motor reversal to close valve for one kind, it is characterized in that: comprise water delivery pond (1), inlet valve (2), motor (3), centrifugal pump (4), hydrovalve (5), electronic service valve (6), water inlet supervisor (7), water outlet main pipe (8), connector is provided with between described motor (3) and centrifugal pump (4), described centrifugal pump (4) two ends connect import supervisor (7) and outlet supervisor (8) respectively, described hydrovalve (5) is arranged in outlet supervisor (8), it is upper and after being positioned at hydrovalve (5) that described electronic service valve (6) is arranged on water outlet main pipe (8), described water inlet supervisor (7) arranges inlet valve (2).
2. a kind of variable segment formula of motor reversal of protecting according to claim 1 closes valve; it is characterized in that: described water inlet supervisor (7) two ends connect water delivery pond (1) and centrifugal pump (4) respectively, and described water inlet supervisor (7) is provided with flange with water delivery pond (1) and centrifugal pump (4) joint.
3. a kind of variable segment formula of motor reversal of protecting according to claim 1 closes valve, it is characterized in that: described centrifugal pump (4) is arranged motor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520707249.6U CN204921399U (en) | 2015-09-14 | 2015-09-14 | Valve is closed to direction changing variable sectional type of protection motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520707249.6U CN204921399U (en) | 2015-09-14 | 2015-09-14 | Valve is closed to direction changing variable sectional type of protection motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204921399U true CN204921399U (en) | 2015-12-30 |
Family
ID=54970533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520707249.6U Expired - Fee Related CN204921399U (en) | 2015-09-14 | 2015-09-14 | Valve is closed to direction changing variable sectional type of protection motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204921399U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090053A (en) * | 2015-09-14 | 2015-11-25 | 云南大红山管道有限公司 | Variable segmented shutoff valve for protecting motor reversing rotation |
-
2015
- 2015-09-14 CN CN201520707249.6U patent/CN204921399U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090053A (en) * | 2015-09-14 | 2015-11-25 | 云南大红山管道有限公司 | Variable segmented shutoff valve for protecting motor reversing rotation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |