CN203012096U - Running state detecting device for energy storage mechanism - Google Patents
Running state detecting device for energy storage mechanism Download PDFInfo
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- CN203012096U CN203012096U CN 201220606252 CN201220606252U CN203012096U CN 203012096 U CN203012096 U CN 203012096U CN 201220606252 CN201220606252 CN 201220606252 CN 201220606252 U CN201220606252 U CN 201220606252U CN 203012096 U CN203012096 U CN 203012096U
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Abstract
The utility model relates to the safety detection field of power industry, especially to a running state detecting device for an energy storage mechanism. The detecting device comprises a dc type power acquiring transmitter for power acquisition, a linear optical coupler for detecting live-line time of a motor and an alarm output end, wherein the dc type power acquiring transmitter, the linear optical coupler and the alarm output end are all connected with an LCP915 type single-chip microprocessor, the dc type power acquiring transmitter is connected between a power supply and the motor in series, and the linear optical coupler is connected to two ends of the motor in parallel. The running state detecting device for the energy storage mechanism can output alarming signals in real time, arrange cleaning and maintenance work of the energy storage mechanism flexibly, decrease accidental power failure time, and effectively guarantee reliability of power supplying; and is small in size, simple for installation and reliable and stable in working, which can effectively monitor running state of the energy storage mechanism, reduces the failure rate of the energy storage mechanism, and improves reliability of power supplying.
Description
Technical field
The utility model relates to power industry safety detection field, is specifically related to a kind of stored energy mechanism running state detecting device.
Background technology
Isolating switch mostly adopts the spring device energy storage now, and spring energy agency is reliable and stable, but the energy storage motor in stored energy mechanism is a quite weak link.Although the energy storage motor structure is simple, be subject to the restriction of 35kV and 10kV isolating switch cost, craft precision has certain limitation.Move under rugged environment, easily break down.At present, the detection emphasis of the repair based on condition of component work carried out of state's net company is at main transformer and important primary equipment.And having benefited from the lifting of technique and the input of substantial contribution, the failure rate of primary equipment reduces greatly.But to breaker energy storage mechanism, do not have effective detection method, 35kV and part 10kV isolating switch are installed in outdoor usually, and running environment is abominable, the phenomenon that spring device blocks or electric loop makes moist easily occurs.The performance of energy storage motor descends in time, often will export larger power, need the longer time just can complete an energy storage.At thunderstorm season or strong wind weather, multiple shot reclosing often appears, and cause energy storage motor repeatedly to start in the short time, very easily cause motor or auxiliary contact to burn.If auxiliary contact burns, energy storage motor can not disconnect accumulation power supply voluntarily, finally causes energy storage motor to burn.After burning as energy storage motor, mechanism again can not energy storage, and auxiliary contact adhesion simultaneously can't disconnect control loop, when the remote control closing operation is carried out in reclosing action or a distant place, can cause Burnout of Closing Coil again.The main repairing work of 35kV and 10kV equipment at present is all to change energy storage motor or closing coil, and therefore, energy storage motor has become the points where malfunction happens easier of a grid equipment.
Current, grid company is honest tries hard to recommend capable repair based on condition of component work, the status information of equipment that repair based on condition of component requires status monitoring and the diagnostic techniques according to the advanced person to provide, judgment device abnormal, the fault of precognition equipment, the mode of overhauling before fault occurs.Namely the health status according to equipment arranges turnaround plan, the facilities and equipments maintenance.Along with the popularization of repair based on condition of component work, original prophylactic repair work stops substantially.But due to technology, the detection of equipment focuses on the main performance index of the major equipments such as transformer, and as situations such as insulation, short circuit, rush of current, heatings, monitoring range does not refine on the equipment such as stored energy mechanism.Yet because prophylactic repair work stops, routine mechanism oils, cleans the work disappearances such as maintenance, certain areas industrial development in addition in the past, air quality reduces, and running environment is abominable, causes mechanism's dust accumulation, operation conditions reduces, until break down, just causes staff's attention.Simultaneously, even if the stored energy mechanism running status reduces, also be difficult for during normal running breaking down.Fault often occurs under particular surroundings, causes mechanism's oil lubricating to reduce as low temperature, even mixes with dust, forms and blocks.Strong wind and heavy rain weather or high load capacity cause multiple shot reclosing.Rush to repair and often have a strong impact on power supply reliability this moment, even causes power grid accident and cause bad social influence.
The utility model content
The purpose of this utility model is to provide a kind of stored energy mechanism running state detecting device, and solving motor stored energy mechanism running status can not detect in real time, and the repairing that causes breaking down has a strong impact on the power supply reliability problem.
For solving above-mentioned technical matters, the utility model by the following technical solutions:
A kind of stored energy mechanism running state detecting device, comprise once-through type power collecting transmitter for power collecting, be used for linear optical coupling and warning output terminal that the motor electrification time detects, described once-through type power collecting transmitter, linear optical coupling and warning output terminal all are connected with LCP915 type single-chip microcomputer, and described once-through type power collecting transmitter is connected between power supply and motor; Described linear optical coupling is connected in parallel on motor two ends.
Further, above-mentioned once-through type power collecting transmitter is the CE-P03-32MS3 type, 1. the anodal port of current input signal connects the 2nd pin that gathers once-through type power collecting transmitter, 2. negative pole connects once-through type power collecting transmitter the 3rd pin by port, 5. positive polarity connects once-through type power collecting transmitter the 1st pin by port, 6. negative pole connects once-through type power collecting transmitter the 4th pin by port, and once-through type power collecting transmitter the 8th pin is connected with LCP915 type single-chip microcomputer the 2nd pin.
Further, above-mentioned linear optical coupling is the NEC2501 linear optical coupling, 3. the voltage signal positive pole is inputted by port, contact mutually with the diode input pin in linear optical coupling through current-limiting resistance R15, contact mutually with diode D3 again, 4. be connected with port at last, be connected with LCP915 type single-chip microcomputer the 5th pin after the phototriode pipe collector isolation conversion in linear optical coupling.
Further, be connected with triode Q1 between above-mentioned warning output terminal and LCP915 type single-chip microcomputer, the base stage of the 1st pin connecting triode Q1 of PCL, collector and+be in series with relay J D1 between 5V, the two ends of JD1 are parallel with diode D15, diode cathode connects the collector of triode, and negative pole connects+5V, and the emitter resistance in series R12 of triode is to ground.
Further, comprise that also for alarm lamp light emitting diode D1, the negative pole of light emitting diode D1 is connected with the 14th pin of LCP915 type single-chip microcomputer, is connected with the 5V power supply after cathode series resistance R13.
Further, above-mentioned once-through type power collecting transmitter is series between power supply and tested stored energy mechanism; Linear optical coupling is connected in parallel on the two ends of tested stored energy mechanism.
compared with prior art, the beneficial effects of the utility model are: compare by current data and the installation original state (last time) that gathers stored energy mechanism, can monitor the variation of stored energy mechanism performance, when hydraulic performance decline arrives certain state, the outputting alarm signal, the running state detecting device of stored energy mechanism can make up the blank of current device state-detection, management unit can be that equipment is regularly marked according to status data, grasp the running status of stored energy mechanism, the timely outputting alarm signal of pick-up unit, given production division certain surge time, production division can arrange cleaning or the maintenance job of stored energy mechanism flexibly according to the turnaround plan of oneself, reduces the during accidental power failure time, effectively guarantees power supply reliability, and this device volume is little, installs simply, and working stability is reliable, can effectively monitor the running status of stored energy mechanism, reduces the rate of breakdown of stored energy mechanism, promotes the reliable level of power supply.
Description of drawings
Fig. 1 is the circuit connection diagram of an embodiment of the utility model stored energy mechanism running state detecting device.
Fig. 2 is the connection diagram of an embodiment of the utility model stored energy mechanism running state detecting device and tested stored energy mechanism.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Fig. 1 shows an embodiment of the utility model stored energy mechanism running state detecting device: a kind of stored energy mechanism running state detecting device, comprise once-through type power collecting transmitter for power collecting, be used for linear optical coupling and warning output terminal that the motor electrification time detects, described once-through type power collecting transmitter, linear optical coupling and warning output terminal all are connected with LCP915 type single-chip microcomputer, and described once-through type power collecting transmitter is connected between power supply and motor; Described linear optical coupling is connected in parallel on motor two ends.
a preferred embodiment according to the utility model stored energy mechanism running state detecting device, once-through type power collecting transmitter is the CE-P03-32MS3 type, 1. the anodal port of current input signal connects the 2nd pin that gathers once-through type power collecting transmitter, 2. negative pole connects once-through type power collecting transmitter the 3rd pin by port, 5. positive polarity connects once-through type power collecting transmitter the 1st pin by port, 6. negative pole connects once-through type power collecting transmitter the 4th pin by port, once-through type power collecting transmitter the 8th pin is connected with LCP915 type single-chip microcomputer the 2nd pin, LCP915 type single-chip microcomputer the 2nd pin is the input pin of the built-in A/D converter of single-chip microcomputer.
Another preferred embodiment according to the utility model stored energy mechanism running state detecting device, linear optical coupling is the NEC2501 linear optical coupling, 3. the voltage signal positive pole is inputted by port, contact mutually with the diode input pin in linear optical coupling through current-limiting resistance R15, contact mutually with diode D3 again, 4. be connected with port at last, be connected with LCP915 type single-chip microcomputer the 5th pin after the phototriode pipe collector isolation conversion in linear optical coupling.The maximum operating currenbt of NEC2501 is 50mA, and the maximum functional peak point current can reach 1A; Be that the loop maximum can be born the impact over 20 times of working currents, even under the dash current when electric motor starting, also can well protect equipment not damaged.The working current of getting optocoupler is 20mA, according to Ohm law: I=U/R; Can calculate R=U/I=220V/0.02=11000 Ω=11K Ω; So, the upper power that consumes of current-limiting resistance R is W=I2R=0.022x11 K Ω=2.2W, so it is 11K that R is chosen as resistance, power is the power resistor of 5W.After the input of motor band electro-detection, after NEC2501 current limliting and photoelectricity isolation conversion, input to CPU LPC915 by node 1.D1 in figure, diode 4148 prevents that negative-phase sequence curent from puncturing optocoupler.Before the optocoupler conducting, provide a high level signal to single-chip microcomputer the 5th pin; When input end charged, the optocoupler conducting, node 1 just becomes low level; Therefore, single-chip microcomputer the 5th pin only need be set works in the universaling I/O port pattern and gets final product.
Another preferred embodiment according to the utility model stored energy mechanism running state detecting device, be connected with triode Q1 between warning output terminal and LCP915 type single-chip microcomputer, the base stage of the 1st pin connecting triode Q1 of PCL, collector and+be in series with relay J D1 between 5V, the two ends of JD1 are parallel with diode D15, diode cathode connects the collector of triode, and negative pole connects+5V, and the emitter resistance in series R12 of triode is to ground.The signal that the judgement of LCP915 type Single Chip Microcomputer (SCM) program gathers surpasses sets threshold values, and executive signal, high level are controlled in the 1st pin output of LCP915 type single-chip microcomputer; Through driving triode Q1, driving relay J D1 action; Diode D15 model is IN4148, is relay J D1 fly-wheel diode, prevents JD1 when work self-excitation, relay J D1 output pin connect port 7. with port 8..
Another preferred embodiment according to the utility model stored energy mechanism running state detecting device, the utility model comprises for alarm lamp light emitting diode D1, the negative pole of light emitting diode D1 is connected with the 14th pin of LCP915 type single-chip microcomputer, is connected with the 5V power supply after cathode series resistance R13.When LCP915 type single-chip microcomputer the 14th pin output low level, alarm lamp is bright, reminding user.
Fig. 2 shows another preferred embodiment of the utility model stored energy mechanism running state detecting device, and once-through type power collecting transmitter is series between power supply and tested stored energy mechanism; Linear optical coupling is connected in parallel on the two ends of tested stored energy mechanism.Be once-through type power collecting transmitter by port 1. and port 2. be series between power supply and tested stored energy mechanism, linear optical coupling by port 3. with the 4. two ends of tested stored energy mechanism of port.
After the access power supply, device gathers electric weight by the direct current measurement sensor, and LCP915 type single-chip microcomputer begins 3. 4. electrification time timing of node; After time-delay 1s, begin to record the consumed power of energy storage; Complete energy storage week after date, protector is automatically preserved the consumed power of successful energy storage and is expended time in, and the equipment data that can circulate and preserve 10 times.
Another preferred embodiment according to the utility model stored energy mechanism running state detecting device, control circuit is selected the LCP915 single-chip microcomputer, this single-chip microcomputer is the low-power consumption technical grade single-chip microcomputer that Philips Semiconductor Co., Ltd. releases, inner integrated oscillator, do not need external any auxiliary circuit during work, circuit structure is simple, and reliability is high; The inner program space that also has 4Kbyte can be for user program; Single-chip microcomputer is completed key-press input detection, data demonstration, the functions such as output control and data acquisition computing of reporting to the police.The LPC915 resetting pin is directly received power supply 5V by resistance R 11, and the monolithic processor resetting module can work, and supply pin 10 meets power supply 5v, then meets filter capacitor CF10; The 12nd, 13 pin of LPC915 are connected with liquid crystal module MCG128128-5, this liquid crystal module data-interface band I
2The C bus, by the bipod that single-chip microcomputer is connected, software simulation I
2The C agreement communicates with liquid crystal module.Button K1/K2/K3/K4/K5 is connected with the 6th, 7,8,9,11 pin of single-chip microcomputer respectively by pull-up resistor RK1/RK2/RK3/RK4/RK5 respectively, forms nonencoded keyboard; On each button, a debounce electric capacity in parallel is to ground, and as the button debounce, as figure, corresponding debounce electric capacity is C25/C24/C22/C23/C26 successively.
The model of relay J D1 is RELAY.D, and requiring relay working voltage is 5v, and the contact working current is 5A.
Although with reference to a plurality of explanatory embodiment of the present utility model, the utility model is described here, but, should be appreciated that, those skilled in the art can design a lot of other modification and embodiments, and these are revised and within embodiment will drop on the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to building block and/or the layout of subject combination layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes will be also obvious.
Claims (6)
1. stored energy mechanism running state detecting device, it is characterized in that: comprise once-through type power collecting transmitter for power collecting, be used for linear optical coupling and warning output terminal that the motor electrification time detects, described once-through type power collecting transmitter, linear optical coupling and warning output terminal all are connected with LCP915 type single-chip microcomputer, and described once-through type power collecting transmitter is connected between power supply and motor; Described linear optical coupling is connected in parallel on motor two ends.
2. stored energy mechanism running state detecting device according to claim 1, it is characterized in that: described once-through type power collecting transmitter is the CE-P03-32MS3 type, 1. the anodal port of current input signal connects the 2nd pin that gathers once-through type power collecting transmitter, 2. negative pole connects once-through type power collecting transmitter the 3rd pin by port, 5. positive polarity connects once-through type power collecting transmitter the 1st pin by port, 6. negative pole connects once-through type power collecting transmitter the 4th pin by port, and once-through type power collecting transmitter the 8th pin is connected with LCP915 type single-chip microcomputer the 2nd pin.
3. stored energy mechanism running state detecting device according to claim 1, it is characterized in that: described linear optical coupling is the NEC2501 linear optical coupling, 3. the voltage signal positive pole is inputted by port, contact mutually with the diode input pin in linear optical coupling through current-limiting resistance R15, contact mutually with diode D3 again, 4. be connected with port at last, be connected with LCP915 type single-chip microcomputer the 5th pin after the phototriode pipe collector isolation conversion in linear optical coupling.
4. stored energy mechanism running state detecting device according to claim 1, it is characterized in that: be connected with triode Q1 between described warning output terminal and LCP915 type single-chip microcomputer, the base stage of the 1st pin connecting triode Q1 of PCL, collector and+be in series with relay J D1 between 5V, the two ends of JD1 are parallel with diode D15, diode cathode connects the collector of triode, and negative pole connects+5V, and the emitter resistance in series R12 of triode is to ground.
5. stored energy mechanism running state detecting device according to claim 1, it is characterized in that: also comprise for alarm lamp light emitting diode D1, the negative pole of light emitting diode D1 is connected with the 14th pin of LCP915 type single-chip microcomputer, is connected with the 5V power supply after cathode series resistance R13.
6. according to claim 1-5 described stored energy mechanism running state detecting devices of any one, it is characterized in that: described once-through type power collecting transmitter is series between power supply and tested stored energy mechanism; Linear optical coupling is connected in parallel on the two ends of tested stored energy mechanism.
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|---|---|---|---|
| CN 201220606252 CN203012096U (en) | 2012-11-16 | 2012-11-16 | Running state detecting device for energy storage mechanism |
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| CN 201220606252 CN203012096U (en) | 2012-11-16 | 2012-11-16 | Running state detecting device for energy storage mechanism |
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| CN 201220606252 Expired - Lifetime CN203012096U (en) | 2012-11-16 | 2012-11-16 | Running state detecting device for energy storage mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955129A (en) * | 2012-11-16 | 2013-03-06 | 四川省电力公司内江电业局 | Energy saving mechanism running state detection device |
| CN103927585A (en) * | 2013-12-11 | 2014-07-16 | 江苏安方电力科技有限公司 | Method for protecting data analysis tool of reactive voltage control system |
-
2012
- 2012-11-16 CN CN 201220606252 patent/CN203012096U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955129A (en) * | 2012-11-16 | 2013-03-06 | 四川省电力公司内江电业局 | Energy saving mechanism running state detection device |
| CN103927585A (en) * | 2013-12-11 | 2014-07-16 | 江苏安方电力科技有限公司 | Method for protecting data analysis tool of reactive voltage control system |
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Granted publication date: 20130619 |