CN104457493A - Monitoring system for transformer displacement - Google Patents
Monitoring system for transformer displacement Download PDFInfo
- Publication number
- CN104457493A CN104457493A CN201410727752.8A CN201410727752A CN104457493A CN 104457493 A CN104457493 A CN 104457493A CN 201410727752 A CN201410727752 A CN 201410727752A CN 104457493 A CN104457493 A CN 104457493A
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- China
- Prior art keywords
- monitoring system
- rail
- flat car
- switch
- proximity switch
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Abstract
The invention provides a monitoring system for transformer displacement, wherein the monitoring system is precise to measure, timely to alarm, safe and reliable. The bottom of a transformer body is fixedly provided with a rail flat car. The rail flat car is locked to a steel rail. The monitoring system is characterized in that the monitoring system comprises a proximity switch fixedly arranged on the steel rail; at least one idler wheel of the rail flat car is correspondingly provided with the proximity switch in the movement direction; the proximity switch connected with a warning light in series is powered by a body terminal body. According to the monitoring system, the proximity switch is arranged on the movement path of the rail flat car to monitor movement and displacement of the rail flat car, when the rail flat car displaces, the proximity switch converts the variable quantity of the state of the rail flat car into a switching value signal, the alarm function is achieved, and the warning function is achieved through the warning light; the monitoring system is high in sensitivity and high in reliability; the body terminal body on the transformer body supplies power to the monitoring system, the monitoring system is simple in connection structure, convenient to mount and wide in application range.
Description
Technical field
The present invention relates to power transformer and run field, be specially a kind of monitoring system for transformer displacement amount.
Background technology
In prior art, it is in place that rail flat car installed and used by the power transformer of many transformer stations.Carriage device is arranged on the tank bottoms of transformer, is connected with oil tank bottom plate by bolt, and it is mobile, efficient and convenient that such power transformer can use rail flat car to realize on the rail laid in advance.In the complete rear use locking device latched position in place of power transformer.Power transformer after in place needs to be connected with electrical network, and namely the form of connection has pole line also to have the copper busbar of various shape.Comparatively speaking, copper busbar allow that stroke is less, only by the compensation that is flexible coupling of local.This compensation can only avoid the Stress transmit brought due to temperature variation, and protection power transformer outlet sleeve pipe is not damaged.But along with the increase of working time and the possibility of the various burst phenomenon of nature, there is the risk be subjected to displacement in power transformer.A kind of needs are newly become to the monitoring of power transformer displacement and sense of displacement.
Summary of the invention
For problems of the prior art, the invention provides a kind of measurement accurately, report to the police in time, the safe and reliable monitoring system for transformer displacement amount.
The present invention is achieved through the following technical solutions:
A kind of monitoring system for transformer displacement amount of the present invention, is fixedly installed rail flat car bottom transformer body, and rail flat car locking is arranged on rail; It is characterized in that, described monitoring system comprises the proximity switch be fixedly installed on rail, and in the direction of motion of at least one roller of rail flat car, correspondence arranges proximity switch; The proximity switch being arranged in series warning light is powered by body terminal case.
Preferably, the sides adjacent of any two rollers be locked on same rail is fixedly installed proximity switch respectively.
Preferably, proximity switch is fixedly connected on the side of corresponding roller by switch fixer; Switch fixer comprises for coordinating the left holder of clamping rail and right holder, be set in the switch enclasp device of left holder or right holder upper end, and for the set nut of floatless switch enclasp device, left holder or the right holder upper end of set nut and sheathed switch enclasp device coordinate.
Preferably, proximity switch adopts High Frequency Oscilated Approach Switch.
Preferably, rail flat car is fixedly installed fixed connecting plate by clamping screw, fixed connecting plate is provided with marker arrow; Rail is arranged shift scale in parallel; During rail flat car locking, align with marker arrow in the zero graduation position of shift scale.
Preferably, warning light is arranged in body terminal case, and just arranges body terminal case view window.
Compared with prior art, the present invention has following useful technique effect:
The present invention utilizes the proximity switch be arranged on rail flat car motion path, monitoring is made to the motion of rail flat car and displacement, when it is subjected to displacement change, the variable quantity of its state is converted to a switching value signal by proximity switch, reach warning function, and realize warning function by warning light; Highly sensitive, reliability is strong; Utilize the power supply of body terminal case realization to it on transformer body, syndeton is simple, easy for installation, applied widely.
Further, by arranging two proximity switches between the rollers 27 and 28, all can monitor two direction of motion of rail flat car respectively, improving the accuracy of its alarm and the sensitivity of feedback.
Further, utilize the special switch fixer arranged, can regulate targetedly going and change for different rail flat cars; Different rail models can not only be adapted to, and can to the position of adjustment proximity switch setting and direction, flexibility and reliability, easy accessibility.
Further, adopt High Frequency Oscilated Approach Switch to produce high frequency magnetic field, when the change of the state of oscillator is converted to a switching value signal close to electromagnetic field Shi ﹐ by rail flat car, realize warning function, highly sensitive, reliability is stronger.
Further, by parallel with Rail Surface for shift scale installation, and marker arrow is overlapped with shift scale 0 scale arrange, shift scale scale can be utilized side-play amount and offset direction is observed when being subjected to displacement warning, realize the measurement to displacement, can not only report to the police, and can carry out monitoring accurately in real time to the displacement occurred.
Accompanying drawing explanation
Fig. 1 is the mounting structure schematic diagram of monitoring system described in example of the present invention.
Fig. 2 is the circuit theory diagrams of proximity switch described in example of the present invention.
Fig. 3 is warning light position view in body terminal case described in example of the present invention.
Fig. 4 is the structural representation of switch fixer described in example of the present invention.
In figure: transformer body 1, rail flat car 2, flat car locking device 3, rail 4, clamping screw 5, fixed connecting plate 6, marker arrow 7, shift scale 8, proximity switch 9, switch fixer 10, warning light 11, body terminal case 12, stationary installation securing member 13, left holder 14, switch enclasp device 15, right holder 16, set nut 17.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail, and the explanation of the invention is not limited.
A kind of monitoring system for transformer displacement amount of the present invention, is fixedly installed rail flat car 2 bottom transformer body 1, rail flat car 2 locking is arranged on rail 4; It is characterized in that, described monitoring system comprises the proximity switch 9 be fixedly installed on rail 4, and in the direction of motion of at least one roller of rail flat car 2, correspondence arranges proximity switch 9; The proximity switch 9 being arranged in series warning light 11 is powered by body terminal case 12.Wherein, rail flat car 2 is fixedly installed fixed connecting plate 6 by clamping screw 5, fixed connecting plate 6 is provided with marker arrow 7; Rail 4 is arranged shift scale 8 in parallel; When rail flat car 2 is locked, align with marker arrow 7 in the zero graduation position of shift scale 8.
In this preferred embodiment, the sides adjacent of any two rollers be locked on same rail 4 is fixedly installed proximity switch 9 respectively; The proximity switch 9 arranged is fixedly connected on the side of corresponding roller by switch fixer 10; Switch fixer 10 comprises left holder 14 and right holder 16 for coordinating clamping rail 4, be set in the switch enclasp device 15 of left holder 14 or right holder 16 upper end, and for the set nut 17 of floatless switch enclasp device 15, left holder 14 or right holder 16 upper end of set nut 17 and sheathed switch enclasp device 15 coordinate.In this preferred embodiment, proximity switch 9 adopts High Frequency Oscilated Approach Switch; Warning light 11 is arranged in body terminal case 12, and just arranges body terminal case 12 view window.
Monitoring system of the present invention, utilizes High Frequency Oscilated Approach Switch to produce high frequency magnetic field, when the change of the state of oscillator is converted to a switching value signal close to electromagnetic field Shi ﹐ by rail flat car 2, realizes warning function.The scale of shift scale 8 is utilized to observe side-play amount and offset direction.The comparatively thin tail sheep amount cannot observed because of human eye is avoided to bring accident potential.
High Frequency Oscilated Approach Switch and warning light 11 are installed together, for the monitoring circuit to transformer displacement characteristic quantity.Left holder 14 is connected with securing member with right holder 16, completes holding tightly on-the-spot rail 4, realize the positioning requirements of High Frequency Oscilated Approach Switch.Complete fixing High Frequency Oscilated Approach Switch with switch enclasp device 15, make switch fixer 10 and switch form entirety, realize installing.Be fixed on by shift scale 8 on switch fixer 10, the displacement for transformer provides object of reference and scale reading.
Concrete, the present invention includes marker arrow 7, shift scale 8, High Frequency Oscilated Approach Switch, switch fixer 10, warning light 11.Rail flat car 2 is locked on rail 4 by flat car locking device 3; Marker arrow 7 is arranged on rail flat car 2, and selects to be suitable for the position on the rail flat car 2 of field observation to be installed.Power supply and signal lamp are all arranged in the body terminal case 12 of power transformer body 1, warning light 11 position positive butted line case view window.Shift scale 8, High Frequency Oscilated Approach Switch and switch fixer 10 is integrally installed on on-the-spot rail 4, and shift scale 8 can utilize stationary installation securing member 13 fixed position after aliging with the marker arrow 7 on rail flat car 2.Marker arrow 7 and proximity switch 9 preferably can be separately positioned on the two ends setting that proximity switch detects distance.
Power supply is provided by transformer body terminal box 12, for two, left and right monitoring circuit is powered during use.When transformer body 1 is subjected to displacement and rail flat car 2 external member enters within High Frequency Oscilated Approach Switch 9 sensing range, switch normally opened contact closes, and warning light 11 is lighted in body terminal case 12 inspection hole, sends alerting signal.Tour personnel judge movement tendency and roughly displacement by marker arrow 7 and the relative position of shift scale 8.
Monitoring system to displacement when the present invention proposes attachment rail flatcar 2 on power transformer, embodies the importance of power transformer displacement state and the necessity of monitoring thereof.Tour personnel inspection position resolver is reminded by sending alerting signal, overcome tour naked eyes at ordinary times and cannot directly observe the shortcoming bringing accident potential compared with thin tail sheep amount, and read displacement and offset direction by field measurement apparatus, structure is simple, easy to use, safe and reliable.
Claims (6)
1. for a monitoring system for transformer displacement amount, transformer body (1) bottom is fixedly installed rail flat car (2), and rail flat car (2) locking is arranged on rail (4); It is characterized in that, described monitoring system comprises the proximity switch (9) be fixedly installed on rail (4), and in the direction of motion of at least one roller of rail flat car (2), correspondence arranges proximity switch (9); The proximity switch (9) being arranged in series warning light (11) is powered by body terminal case (12).
2. a kind of monitoring system for transformer displacement amount according to claim 1, is characterized in that, the sides adjacent of any two rollers be locked on same rail (4) is fixedly installed proximity switch (9) respectively.
3. a kind of monitoring system for transformer displacement amount according to claim 1, is characterized in that, proximity switch (9) is fixedly connected on the side of corresponding roller by switch fixer (10); Switch fixer (10) comprises left holder (14) and right holder (16) for coordinating clamping rail (4), be set in the switch enclasp device (15) of left holder (14) or right holder (16) upper end, and for the set nut (17) of floatless switch enclasp device (15), left holder (14) or right holder (16) upper end of set nut (17) and sheathed switch enclasp device (15) coordinate.
4. according to a kind of monitoring system for transformer displacement amount according to claim 1, it is characterized in that, described proximity switch (9) adopts High Frequency Oscilated Approach Switch.
5. according to a kind of monitoring system for transformer displacement amount according to claim 1, it is characterized in that, rail flat car (2) is fixedly installed fixed connecting plate (6) by clamping screw (5), fixed connecting plate (6) is provided with marker arrow (7); Rail (4) is arranged shift scale (8) in parallel; During rail flat car (2) locking, align with marker arrow (7) in the zero graduation position of shift scale (8).
6. according to a kind of monitoring system for transformer displacement amount according to claim 1, it is characterized in that, warning light (11) is arranged in body terminal case (12), and just arranges body terminal case (12) view window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410727752.8A CN104457493A (en) | 2014-12-03 | 2014-12-03 | Monitoring system for transformer displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410727752.8A CN104457493A (en) | 2014-12-03 | 2014-12-03 | Monitoring system for transformer displacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104457493A true CN104457493A (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410727752.8A Pending CN104457493A (en) | 2014-12-03 | 2014-12-03 | Monitoring system for transformer displacement |
Country Status (1)
| Country | Link |
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| CN (1) | CN104457493A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2581270Y (en) * | 2002-09-23 | 2003-10-22 | 曹升侠 | Auto-controlling system for preventing railway locomotive from runaway |
| CN2646662Y (en) * | 2003-06-06 | 2004-10-06 | 张先荣 | Wheel spacing observing and controlling equipment for axle assembling press |
| CN2801578Y (en) * | 2005-06-18 | 2006-08-02 | 合肥安迅铁道应用技术有限公司 | Antislide safety monitoring device for raidroad station carriage arrangement |
| CN201266528Y (en) * | 2008-07-24 | 2009-07-01 | 中国二十冶建设有限公司 | Mobile transformer with collapsible fixed device |
| CN201278288Y (en) * | 2008-07-24 | 2009-07-22 | 中国二十冶建设有限公司 | Fixing device for movable transformer |
| CN201694206U (en) * | 2010-02-23 | 2011-01-05 | 邯郸开发区泰科电子科技有限公司 | Differential type track sensor |
| CN202393396U (en) * | 2012-01-04 | 2012-08-22 | 安徽理工大学 | Mine intrinsically-safe vehicle stream sensor |
| CN202389794U (en) * | 2011-11-25 | 2012-08-22 | 中国西电电气股份有限公司 | Integral transformer body transport device |
| US20130020144A1 (en) * | 2011-07-18 | 2013-01-24 | The Boeing Company | Adaptive Magnetic Coupling System |
| CN203364751U (en) * | 2013-04-24 | 2013-12-25 | 杨少臣 | Graduated scale unloading vehicle displacement recognition system |
-
2014
- 2014-12-03 CN CN201410727752.8A patent/CN104457493A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2581270Y (en) * | 2002-09-23 | 2003-10-22 | 曹升侠 | Auto-controlling system for preventing railway locomotive from runaway |
| CN2646662Y (en) * | 2003-06-06 | 2004-10-06 | 张先荣 | Wheel spacing observing and controlling equipment for axle assembling press |
| CN2801578Y (en) * | 2005-06-18 | 2006-08-02 | 合肥安迅铁道应用技术有限公司 | Antislide safety monitoring device for raidroad station carriage arrangement |
| CN201266528Y (en) * | 2008-07-24 | 2009-07-01 | 中国二十冶建设有限公司 | Mobile transformer with collapsible fixed device |
| CN201278288Y (en) * | 2008-07-24 | 2009-07-22 | 中国二十冶建设有限公司 | Fixing device for movable transformer |
| CN201694206U (en) * | 2010-02-23 | 2011-01-05 | 邯郸开发区泰科电子科技有限公司 | Differential type track sensor |
| US20130020144A1 (en) * | 2011-07-18 | 2013-01-24 | The Boeing Company | Adaptive Magnetic Coupling System |
| CN202389794U (en) * | 2011-11-25 | 2012-08-22 | 中国西电电气股份有限公司 | Integral transformer body transport device |
| CN202393396U (en) * | 2012-01-04 | 2012-08-22 | 安徽理工大学 | Mine intrinsically-safe vehicle stream sensor |
| CN203364751U (en) * | 2013-04-24 | 2013-12-25 | 杨少臣 | Graduated scale unloading vehicle displacement recognition system |
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Application publication date: 20150325 |
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| WD01 | Invention patent application deemed withdrawn after publication |