CN201593638U - Power station butterfly valve remote automatic control system - Google Patents
Power station butterfly valve remote automatic control system Download PDFInfo
- Publication number
- CN201593638U CN201593638U CN2009200348122U CN200920034812U CN201593638U CN 201593638 U CN201593638 U CN 201593638U CN 2009200348122 U CN2009200348122 U CN 2009200348122U CN 200920034812 U CN200920034812 U CN 200920034812U CN 201593638 U CN201593638 U CN 201593638U
- Authority
- CN
- China
- Prior art keywords
- butterfly valve
- limit switch
- control system
- automatic control
- contact plate
- Prior art date
- 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
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 10
- 239000004411 aluminium Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Abstract
The utility model discloses a power station butterfly valve remote automatic control system, which comprises a butterfly valve. A fully open contact plate made of aluminum busbar is mounted on a fully open position indicator of the butterfly valve. A fully closed contact plate made of aluminum busbar is mounted on a fully closed position indicator of the butterfly valve. A fully open limit switch is disposed at the position of the fully open contact plate. A fully closed limit switch is disposed at the position of the fully closed contact plate. The fully open limit switch disconnects a normally closed contact under action of the fully open contact plate so as to power off relays and stop a motor. The fully closed limit switch disconnects a normally closed contact under action of the fully closed contact plate so as to power off the relays and stop the motor. By utilizing the relays, the remote automatic control system not only can realize remote control, but also can carry out operation on a switch of a gate on the spot, switching between two statues is quite convenient, and further interlocking of contactors and an interlocking portion of a control loop are added in the design, thereby avoiding misoperation and short circuit accidents caused by contact fusing, and greatly increasing safety.
Description
Technical field:
The utility model belongs to automation field, relates to a kind of remote control, a butterfly valve distant place, especially a kind of power station automatic control system.
Background technique:
For the high head hydroelectric power plant,, must install the butterfly valve speed regulator additional satisfying hole and exposed conduit joint for safety.If accident appears in exposed conduit or factory building, just can operate, realize that automatic distant place control butterfly valve cuts out at central control chamber, ensure the safety of exposed conduit or factory building.
But because that installation unit is not installed is complete, add the fault of butterfly valve snubber itself, for a long time,, can only carry out local operation, because apart from remote, the operations staff can not be understood timely to the situation of sluice to the control of sluice in the dam.When running into special circumstances, during as bad weather or natural disaster, usually can't operate at the scene of arriving in the very nick of time, thereby incured loss through delay adjusting to water level in the dam, dangerous situation appears easily, may all cause in various degree damage to dam body and plant and equipment, the generation of serious caused plant and equipment major accident, and then threaten power grid security.Have inconvenient traffic the personal safety of operations staff in operating process is on the hazard simultaneously.This is to press for improved visual plant hidden danger in the station.
The model utility content:
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, and a butterfly valve distant place, a kind of power station automatic control system is provided, and comprises butterfly valve, on the fully open position indicator of described butterfly valve, a standard-sized sheet contact disk made from aluminium row has been installed; On the complete shut-down position indicator of described butterfly valve, a complete shut-down contact disk made from aluminium row has been installed; Described standard-sized sheet contact disk locate to be provided with the standard-sized sheet limit switch; Described complete shut-down contact disk place is provided with the complete shut-down limit switch; Described standard-sized sheet limit switch normally-closed contact under the effect of standard-sized sheet contact disk disconnects, and the power supply motor that has cut off relay stops; Described complete shut-down limit switch normally-closed contact under the effect of complete shut-down contact disk disconnects, and the power supply motor that has cut off relay stops.
Be connected with fus FU on the described butterfly valve, described fus FU is used for the short circuit protection.
Be connected with thermorelay FR on the described butterfly valve, described thermorelay FR is used for the circuit overloads protection.
A butterfly valve distant place, power station of the present utility model automatic control system comprises two relays, three contactors, four push-button switches, four tutorial light, two limit switches.Again distribution box is installed in drawing.Can realize controlling electronic clockwise and anticlockwise and stop automatically through overtesting, then the snubber of butterfly valve is transformed, on the position indicator of the standard-sized sheet of butterfly valve and complete shut-down, a contact disk made from aluminium row has been installed, on butterfly valve, determined the position of upper change point and lower-limit point then, load onto limit switch, when the motor drives butterfly valve turns to upper change point, limit switch normally-closed contact under the effect of aluminium row contact disk disconnects, the power supply motor that has cut off relay stops, and the working method of lower-limit point is the same.
A butterfly valve distant place, power station of the present utility model automatic control system utilizes relay not only can realize distant place control, also can operate the switch of gate at the scene, two states switches very convenient, the interlocking of contactor and the interlocking portions of control loop in design, have also been added simultaneously, the short circuit accident of having avoided misoperation and contact scorification to cause has improved Security greatly.
Description of drawings:
Fig. 1 is a butterfly valve distant place, power station of the present utility model automatic control system circuit theory diagrams.
Embodiment:
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
Referring to Fig. 1, a butterfly valve distant place, a kind of power station automatic control system comprises butterfly valve, on the fully open position indicator of described butterfly valve, a standard-sized sheet contact disk made from aluminium row has been installed; On the complete shut-down position indicator of described butterfly valve, a complete shut-down contact disk made from aluminium row has been installed; Described standard-sized sheet contact disk locate to be provided with the standard-sized sheet limit switch; Described complete shut-down contact disk place is provided with the complete shut-down limit switch; Described standard-sized sheet limit switch normally-closed contact under the effect of standard-sized sheet contact disk disconnects, and the power supply motor that has cut off relay stops; Described complete shut-down limit switch normally-closed contact under the effect of complete shut-down contact disk disconnects, and the power supply motor that has cut off relay stops.
Be connected with fus FU on the described butterfly valve, described fus FU is used for the short circuit protection.
Be connected with thermorelay FR on the described butterfly valve, described thermorelay FR is used for the circuit overloads protection.
A butterfly valve distant place, the utility model power station automatic control system line work principle is as follows:
Under the normal state, SB1, KQ normally closed interlock closure, motor is in distant place control.
The ordinary circumstance gate is positioned at the state of opening a sluice gate, and is used for the draining generating, and at this moment, the SQ1 limit switch that is in the lock top disconnects, and is positioned at the SQ2 limit switch closure in pocket floor, and lamp L2, L4 are bright, and L1, L3 go out, and show to open a sluice gate the position.
When the retaining of needs barrier gate, press SB4 crawl " barrier gate " button, KP2 line Bao Dedian, the closed and self-sustaining of KP2 normally open contact makes KM2 contactor line Bao Dedian, then the KM2 main contact is connected, motor begins to rotate, and lamp L1, L2, L3, L4 are all bright simultaneously, and the expression motor rotates, leave open a sluice gate the position after, the SQ1 auto-closing.
When gate is closed, the SQ2 limit switch disconnects immediately, KP2 line bag dead electricity, and the KP2 normally open contact disconnects, and makes KM2 line bag dead electricity, and then the KM2 main contact disconnects, the motor stall, this moment, lamp L1, L3 were bright, and L2, L4 go out, and show the pass gate position.
When needs are opened a sluice gate once more, press the SB3 crawl and " open a sluice gate " button, KP1 line Bao Dedian, the closed and self-sustaining of KP1 normally open contact makes KM1 contactor line Bao Dedian, then the KM1 main contact is connected, motor begins counter-rotating, and simultaneously lamp L1, L2, L3, L4 are all bright, and the expression motor rotates, after leaving the pass gate position, the SQ2 auto-closing.
If need carry out local operation, SB2 crawl " on the spot " button is pressed, relay K Q line Bao Dedian, the KQ normally closed interlock disconnects, the normally open contact closure, promptly distant place control wiring disconnects, and connects control wiring on the spot, and just can carry out local operation this moment.
And when leaving the scene, only need press SB1 crawl " distant place " button, and KQ line bag is dead electricity immediately, and KQ often releases to be put, and normally closed recovery has just disconnected control wiring on the spot this moment, reverts to distant place control.
2, the protection link of circuit: fus FU protects as short circuit; Thermorelay FR has the overload protective function interlock.
For preventing to press the breaker button simultaneously, cause short circuit or when motor rotates, press another status button by mistake, design has interlock in the control loop.The normally closed interlock of KP1, KP2 all is arranged in another state of a control loop, so when driving (pass) lock, at first be that KP1 (KP2) normally closed interlock that closes in (opening) brake cable road is opened, be only the normally open contact closure then, like this, even press SB4 (SB3) button, can not make pass (holding) brake cable Bao Dedian yet, cause the accident, guaranteed that circuit works reliably.
Above content is to further describing that the present invention did in conjunction with concrete preferred implementation; can not assert that the specific embodiment of the present invention only limits to this; for the general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; can also make some simple deduction or replace, all should be considered as belonging to the present invention and determine scope of patent protection by claims of being submitted to.
Claims (3)
1. a butterfly valve distant place, power station automatic control system comprises butterfly valve, it is characterized in that: on the fully open position indicator of described butterfly valve, a standard-sized sheet contact disk made from aluminium row has been installed; On the complete shut-down position indicator of described butterfly valve, a complete shut-down contact disk made from aluminium row has been installed; Described standard-sized sheet contact disk place is provided with the standard-sized sheet limit switch; Described complete shut-down contact disk place is provided with the complete shut-down limit switch; Described standard-sized sheet limit switch normally-closed contact under the effect of standard-sized sheet contact disk disconnects, and the power supply, the motor that have cut off relay stop; Described complete shut-down limit switch normally-closed contact under the effect of complete shut-down contact disk disconnects, and the power supply, the motor that have cut off relay stop.
2. a butterfly valve distant place, a kind of according to claim 1 power station automatic control system is characterized in that: be connected with fus FU on the described butterfly valve.
3. a butterfly valve distant place, a kind of according to claim 1 power station automatic control system is characterized in that: be connected with thermorelay FR on the described butterfly valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200348122U CN201593638U (en) | 2009-09-29 | 2009-09-29 | Power station butterfly valve remote automatic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200348122U CN201593638U (en) | 2009-09-29 | 2009-09-29 | Power station butterfly valve remote automatic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201593638U true CN201593638U (en) | 2010-09-29 |
Family
ID=42775705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200348122U Expired - Fee Related CN201593638U (en) | 2009-09-29 | 2009-09-29 | Power station butterfly valve remote automatic control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201593638U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359088A (en) * | 2011-10-18 | 2012-02-22 | 兴文县僰力机电工程设备有限公司 | Remote control method and system of escape gate |
| CN103016822A (en) * | 2012-12-04 | 2013-04-03 | 哈尔滨工程大学 | Signal simulation circuit for switch type butterfly valve |
| CN103016325A (en) * | 2012-12-07 | 2013-04-03 | 江苏永钢集团有限公司 | Water supply pump control device |
| CN105115783A (en) * | 2015-07-01 | 2015-12-02 | 湖南创元铝业有限公司 | Automatic alumina sampling apparatus |
| CN111536295A (en) * | 2020-06-19 | 2020-08-14 | 东营鑫华莲石油机械有限公司 | High-pressure manifold remote control system |
| CN113721488A (en) * | 2021-08-23 | 2021-11-30 | 白银有色集团股份有限公司 | Interlocking control scheme of electric butterfly valve |
-
2009
- 2009-09-29 CN CN2009200348122U patent/CN201593638U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359088A (en) * | 2011-10-18 | 2012-02-22 | 兴文县僰力机电工程设备有限公司 | Remote control method and system of escape gate |
| CN103016822A (en) * | 2012-12-04 | 2013-04-03 | 哈尔滨工程大学 | Signal simulation circuit for switch type butterfly valve |
| CN103016822B (en) * | 2012-12-04 | 2014-08-20 | 哈尔滨工程大学 | Signal simulation circuit for switch type butterfly valve |
| CN103016325A (en) * | 2012-12-07 | 2013-04-03 | 江苏永钢集团有限公司 | Water supply pump control device |
| CN105115783A (en) * | 2015-07-01 | 2015-12-02 | 湖南创元铝业有限公司 | Automatic alumina sampling apparatus |
| CN111536295A (en) * | 2020-06-19 | 2020-08-14 | 东营鑫华莲石油机械有限公司 | High-pressure manifold remote control system |
| CN113721488A (en) * | 2021-08-23 | 2021-11-30 | 白银有色集团股份有限公司 | Interlocking control scheme of electric butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ANKANG POWER SUPPLY BUREAU Effective date: 20140401 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: ANKANG POWER SUPPLY BUREAU Effective date: 20140401 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 725000 ANKANG, SHAANXI PROVINCE TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140401 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Ankang Power Supply Bureau Address before: From the 725000 health city of Shaanxi province Hanbin District Road No. 167 Patentee before: Ankang Power Supply Bureau |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100929 Termination date: 20170929 |