CN203338914U - Large transformer device capable of being automatically controlled - Google Patents
Large transformer device capable of being automatically controlled Download PDFInfo
- Publication number
- CN203338914U CN203338914U CN2013204385714U CN201320438571U CN203338914U CN 203338914 U CN203338914 U CN 203338914U CN 2013204385714 U CN2013204385714 U CN 2013204385714U CN 201320438571 U CN201320438571 U CN 201320438571U CN 203338914 U CN203338914 U CN 203338914U
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- Prior art keywords
- power
- vacuum
- vacuum pump
- power supply
- transformer
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- Expired - Fee Related
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- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000003111 delayed Effects 0.000 abstract description 3
- 229910004682 ON-OFF Inorganic materials 0.000 abstract 3
- 238000005086 pumping Methods 0.000 description 2
- 239000004821 Contact adhesive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 230000001105 regulatory Effects 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
Abstract
The utility model particularly discloses a large transformer device capable of being automatically controlled. The large transformer device capable of being automatically controlled comprises a vacuum pump set removing air in the transformer, an air intake pipe of the vacuum pump set is communicated with the transformer, an exhaust pipe of the vacuum pump set is communicated with the atmosphere, a vacuum gauge is arranged in a cavity of the transformer or on the air intake pipe of the transformer, a circuit contactor pair capable of being closed when the vacuum degree detected by the vacuum gauge reaches a set value is arranged on the vacuum gauge, the circuit contactor pair is directly connected in a power supply circuit of a power failure delay type time relay to control the on-off of a power supply circuit of the power failure delay type time relay, or the on-off of the power supply circuit of the power failure delay type time relay is controlled by a relay. The power failure delay type time relay is provided with normally-closed contacts which are disconnected in a delayed mode, and the normally-closed contacts which are disconnected in a delayed mode are connected into a power supply circuit of the vacuum pump set and control the on-off of the power supply circuit of the vacuum pump set. The large transformer device capable of being automatically controlled does not need to be monitored or controlled by special working staff, is low in manpower cost, and convenient and accurate to control.
Description
Technical field
The utility model belongs to a kind of technical field of transformer manufacturing, has been specifically related to a kind of high-power transformer device that can automatically control.
Background technology
When high-power transformer is installed, need to carry out vacuum pumping, vaccum-pumping equipment by the vacuum degree of transformer after being extracted into set point, usually can not stop at once vacuumizing, and need to continue to vacuumize a period of time to transformer on this basis, be the usually said vacuum keep time, with the vacuum degree of Reliable guarantee transformer, meet the required requirement of work.And for the transformer of different size and condition of work, the vacuum degree that its work is required and vacuum keep time are often not identical yet, while vacuumizing, need to arrange special operating personnel's Real-Time Monitoring and control the vacuum keep time, to guarantee to vacuumize, meet the requirements, its human cost is high, workload is large, and easily makes mistakes.
The utility model content
The purpose of this utility model is to provide a kind of high-power transformer device that can automatically control, to realize the automatic operation of transformer vacuum, reduces human cost and workload that transformer vacuumizes.
A kind of high-power transformer device that can automatically control, comprise the vacuum pump group of removing the transformer Air, the air intake duct of vacuum pump group is communicated with transformer, the blast pipe of vacuum pump group is communicated with atmosphere, in the cavity of its transformer or on air intake duct, vacuum gauge is installed, the circuit contact pair of closure while having the vacuum degree that can record at vacuum gauge to reach set point on vacuum gauge, this circuit contact is to controlling the break-make of power-off delay type time relay power supply circuits in the power supply circuits of the direct access power-off delay type time relay, perhaps pass through the break-make of the power supply circuits of the Control power-off delay type time relay, the normally-closed contact that the power-off delay type time relay has time delay to disconnect, in the power supply circuits of the normally-closed contact access vacuum pump group that its time delay disconnects, control the break-make of vacuum pump group power supply circuits.
Further, described vacuum pump group is only an independent vacuum pump, or forming of mutually connecting for two or more vacuum pumps.
Further, described vacuum pump group is in series by lobe pump and slide valve pump, and the air intake duct of lobe pump is communicated with transformer, and blast pipe connects the air intake duct of slide valve pump, and the blast pipe of slide valve pump is communicated with atmosphere.
Further, the branch road that many accessible power supplys are arranged on a kind of vacuum gauge of the high-power transformer device that can automatically control, switch is all arranged on each branch road, every branch road has circuit contact pair, each circuit contact is to closure when the vacuum degree of vacuum gauge reaches different value respectively, each circuit contact is to all being in series with the coil of auxiliary relay, the normally opened contact of the auxiliary relay of described each branch road all is connected in the power supply circuits of each self-corresponding power-off delay type time relay, control the break-make of the power-off delay type time relay separately, the normally-closed contact that each power-off delay type time relay all has time delay to disconnect, the normally-closed contact that the time delay of all time relays disconnects is connected in the power supply circuits of vacuum pump group simultaneously, control the work of vacuum pump group simultaneously.
A kind of high-power transformer device that can automatically control described in the utility model, when the vacuum pump group is extracted into set point by the vacuum degree of transformer, circuit contact on vacuum gauge is to closure, the power supply circuits of circuit contact to the direct conducting power-off delay type time relay, perhaps pass through the conducting of the power supply circuits of the Control power-off delay type time relay, the power-off delay type time relay obtains electric work, its work is after specified time of delay, the normally-closed contact that time delay in automatic disconnection access vacuum pump group power supply circuits disconnects, thereby the vacuum pump group is quit work.Its vacuum keep time is determined by the power-off delay type time relay, by the power-off delay type time relay, automatically controls, and does not need to arrange special staff, and human cost is low, and it is convenient to control, and controls accurately.
The accompanying drawing explanation
The system configuration schematic diagram that Fig. 1 is a kind of high-power transformer device that can automatically control;
The control principle drawing that Fig. 2 is a kind of high-power transformer device that can automatically control;
The control principle drawing that Fig. 3 is a kind of high-power transformer device that can automatically control;
The control principle drawing that Fig. 4 is a kind of high-power transformer device that can automatically control.
Embodiment
A kind of high-power transformer device that can automatically control, as Fig. 1, Fig. 2, comprise the vacuum pump group 1 of removing the transformer Air, the air intake duct 2 of vacuum pump group is communicated with transformer 3, the blast pipe 4 of vacuum pump group is communicated with atmosphere, in the cavity of its transformer or on air intake duct, vacuum gauge 5 is installed, circuit contact pair is arranged on vacuum gauge, closure when circuit contact reaches the set point of vacuum gauge to the vacuum degree recorded at vacuum gauge, circuit contact is in the power supply circuits that directly are connected on power-off delay type time relay KT1, as Fig. 2, when it is closed, time relay KT1 work, when it disconnects, time relay KT1 does not work.The normally-closed contact KT1-1 that time relay KT1 has time delay to disconnect, in the power supply circuits of the normally-closed contact access vacuum pump group that this time delay disconnects, with the contactor AKM that controls the work of vacuum pump group, connect, when the normally-closed contact KT1-1 that time delay disconnects is closed, contactor AKM energising, the work of vacuum pump group; When the normally-closed contact KT1-1 that time delay disconnects disconnects, contactor AKM outage, the vacuum pump group quits work.When it reaches set point in vacuum degree, circuit contact is to closure, and the time relay obtains electric, and the normally-closed contact that its time delay disconnects is the meeting automatic disconnection after delay time, thereby automatically realizes the control of the vacuum keep time to vacuumizing.
The circuit contact of vacuum gauge 5 is to also controlling by auxiliary relay the break-make of the power supply circuits of power-off delay type time relay KT1, as Fig. 3, the coil KA4 of the circuit contact of vacuum gauge to the auxiliary relay of connecting, the normally opened contact KA4-1 of this auxiliary relay connects again in the power supply circuits of power-off delay type time relay KT1, the normally-closed contact KT1-1 that power-off delay type time relay KT1 has time delay to disconnect, in the power supply circuits of the normally-closed contact KT1-1 access vacuum pump group that its time delay disconnects, with the contactor AKM that controls the work of vacuum pump group, connect, control the break-make of vacuum pump group power supply circuits.When vacuum degree reaches set point, the circuit contact of vacuum gauge is to closure, the coil KA4 of auxiliary relay obtains electric, it is connected on the normally opened contact adhesive in time relay power supply circuits, time relay KT1 obtains electric work, the normally-closed contact KT1-1 that its time delay disconnects, in meeting automatic disconnection after delay time, realizes the automatic control of the vacuum keep time to vacuumizing.
Described vacuum pump group can be an independent vacuum pump, also can be the multipole pump configuration formed that a plurality of vacuum pumps are connected mutually.Fig. 1, be the two-stage vacuum pump configuration mutually be in series by two vacuum pumps, and it is in series by lobe pump 11 and slide valve pump 12, and the air intake duct of lobe pump is communicated with transformer 3, and blast pipe connects the air intake duct of slide valve pump, and the blast pipe of slide valve pump is communicated with atmosphere.It can carry out twin-stage to transformation gas and vacuumizes, and vacuumizes efficiency vacuum degree high, that can be evacuated to also higher.Electromagnetic inflation valve 13 can be installed by the air intake duct place of slide valve pump 12, with the air pressure in the regulating slide valve pump.Between slide valve pump and lobe pump, bellows 14 can be installed.
The multipair optionally connected circuit contact pair entered can be arranged on a kind of vacuum gauge of the high-power transformer device that can automatically control, each circuit contact is to closure when the vacuum degree of vacuum gauge reaches different value respectively, each circuit contact is to all being in series with the coil of an auxiliary relay, the normally opened contact of each auxiliary relay all is connected in the power supply circuits of each self-corresponding power-off delay type time relay, control the break-make of the power-off delay type time relay separately, the normally-closed contact that each time relay all has time delay to disconnect, the normally-closed contact that the time delay of all time relays disconnects is all connected in the power supply circuits of vacuum pump group simultaneously, control the work of vacuum pump group simultaneously.As Fig. 4, a kind of high-power transformer device that can automatically control, its vacuum gauge 5 has the branch road of four access power supplys, article four, the switch S B1 selected branch road access or deenergization all is installed in branch road, SB2, SB3, SB4, a pair of circuit contact pair is all arranged in every branch road, each circuit contact is to being connected with respectively the coil KA4 of auxiliary relay separately, KA5, KA6, KA7, but the auxiliary relay coil of each branch road is respectively to there being the normally opened contact KA4-1 of adhesive separately, KA5-1, KA6-1, KA7-1, each normally opened contact is connected respectively into a power-off delay type time relay KT1, KT2, KT3, in the power supply circuits of KT4, control the break-make of the power supply circuits of the time relay separately, each time relay KT1, KT2, KT3, the normally-closed contact KT1-1 that KT4 all has time delay to disconnect, KT2-1, KT3-1, KT4-1, the normally-closed contact that these time delays disconnect is connected mutually, and connect with the contactor AKM to the power supply of vacuum pump group.The circuit contact of its different branch is to being set to closure when the different vacuum degree, can the connect power-off delay type time relay of different delayed time time of the normally opened contact of the auxiliary relay of different branch, select different branch road access power supplys by switch, can adapt to different vacuum degree and the requirement of vacuum keep time, the one a kind of high-power transformer device that can automatically control, can adapt to the instructions for use that vacuumizes of different transformers, applied widely.
Claims (4)
1. the high-power transformer device that can automatically control, it is characterized in that comprising the vacuum pump group of removing the transformer Air, the air intake duct of vacuum pump group is communicated with transformer, the blast pipe of vacuum pump group is communicated with atmosphere, in the cavity of its transformer or on air intake duct, vacuum gauge is installed, the circuit contact pair of closure while having the vacuum degree that can record at vacuum gauge to reach set point on vacuum gauge, this circuit contact is to controlling the break-make of power-off delay type time relay power supply circuits in the power supply circuits of the direct access power-off delay type time relay, perhaps pass through the break-make of the power supply circuits of the Control power-off delay type time relay, the normally-closed contact that the power-off delay type time relay has time delay to disconnect, in the power supply circuits of the normally-closed contact access vacuum pump group that its time delay disconnects, control the break-make of vacuum pump group power supply circuits.
2. the high-power transformer device that can automatically control according to claim 1 is characterized in that:
Described vacuum pump group is only an independent vacuum pump, or forming of mutually connecting for two or more vacuum pumps.
3. the high-power transformer device that can automatically control according to claim 1 is characterized in that:
Described vacuum pump group is in series by lobe pump and slide valve pump, and the air intake duct of lobe pump is communicated with transformer, and blast pipe connects the air intake duct of slide valve pump, and the blast pipe of slide valve pump is communicated with atmosphere.
4. the high-power transformer device that can automatically control according to claim 1 is characterized in that:
The branch road that many accessible power supplys are arranged on the vacuum gauge of the high-power transformer device that this can be controlled automatically, switch is all arranged on each branch road, every branch road has circuit contact pair, each circuit contact is to closure when the vacuum degree of vacuum gauge reaches different value respectively, each circuit contact is to all being in series with the coil of auxiliary relay, the normally opened contact of the auxiliary relay of described each branch road all is connected in the power supply circuits of each self-corresponding power-off delay type time relay, control the break-make of the power-off delay type time relay separately, the normally-closed contact that each power-off delay type time relay all has time delay to disconnect, the normally-closed contact that the time delay of all time relays disconnects is connected in the power supply circuits of vacuum pump group simultaneously, control the work of vacuum pump group simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204385714U CN203338914U (en) | 2013-07-14 | 2013-07-14 | Large transformer device capable of being automatically controlled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204385714U CN203338914U (en) | 2013-07-14 | 2013-07-14 | Large transformer device capable of being automatically controlled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203338914U true CN203338914U (en) | 2013-12-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204385714U Expired - Fee Related CN203338914U (en) | 2013-07-14 | 2013-07-14 | Large transformer device capable of being automatically controlled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203338914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969877A (en) * | 2017-02-21 | 2017-07-21 | 国网浙江省电力公司嘉兴供电公司 | Electrical equipment application of vacuum automatic monitoring equipment and its monitoring method |
-
2013
- 2013-07-14 CN CN2013204385714U patent/CN203338914U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969877A (en) * | 2017-02-21 | 2017-07-21 | 国网浙江省电力公司嘉兴供电公司 | Electrical equipment application of vacuum automatic monitoring equipment and its monitoring method |
| CN106969877B (en) * | 2017-02-21 | 2019-05-07 | 国网浙江省电力公司嘉兴供电公司 | Electrical equipment is vacuum-treated automatic monitoring equipment and its monitoring method |
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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: SHANGHAI BAOGUANG TECHNOLOGY GROUP CO., LTD. Free format text: FORMER OWNER: CHEN XIAOLEI Effective date: 20150708 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150708 Address after: 201417, Shanghai, Fengxian District, No. 8261, Pu Wei Road, first Patentee after: Shanghai Baoguang Technology Group Limited Address before: Wu Jia Tang Haishu District 315042 Zhejiang city of Ningbo Province, No. 49 Room 202 Patentee before: Chen Xiaolei |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20150714 |
|
| EXPY | Termination of patent right or utility model |