CN204464406U - A kind of WY-PMS type accumulator on-line maintenance system - Google Patents
A kind of WY-PMS type accumulator on-line maintenance system Download PDFInfo
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- CN204464406U CN204464406U CN201520145242.XU CN201520145242U CN204464406U CN 204464406 U CN204464406 U CN 204464406U CN 201520145242 U CN201520145242 U CN 201520145242U CN 204464406 U CN204464406 U CN 204464406U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a kind of WY-PMS type accumulator on-line maintenance system, it comprises balanced acquisition module, switching value acquisition module, battery parameter acquisition module and d. c. remote monitoring host computer; The output of described balanced acquisition module and switching value acquisition module accesses the respective input of described battery parameter acquisition module respectively, the input of the output termination d. c. remote monitoring host computer of described battery parameter acquisition module; Described balanced acquisition module comprises battery voltage acquisition circuit and micro-ly fills micro discharge road; The input V of described battery voltage acquisition circuit
ibe connected to the two ends of tested voltage, its output V
oconnect the respective input of battery parameter acquisition module, described micro-input termination charge and discharge control signal C filling micro discharge road
iN, its output C
oUTconnect the respective input of battery parameter acquisition module; Described battery voltage acquisition circuit comprises button switch K, resistance R1-R2, electric capacity C1, amplifier A1 and oscilloscope M.
Description
Technical field
The utility model belongs to power supply status on-line monitoring field, is specifically related to a kind of WY-PMS type accumulator on-line maintenance system, is applicable to power system transformer substation.
Background technology
In electric power system, DC power system, as the power supply in relaying protection, automatics and control operation loop, is relaying protection, the basic guarantee that normally works of automatics; Storage battery is as the important component part of DC power system, and its performance quality often directly affects the comprehensive quality of DC power system, Given this, just seems very important to the maintenance work of storage battery.
At present, storage battery is as the back-up source of equipment various in power system transformer substation, be in capacity and performance inequality that stand-by state causes battery for a long time, when battery pack powers use for a long time, frequent appearance declines due to individual monomers battery capacity or damages the fault causing whole battery pack to discharge, this fault directly causes power consumption equipment normally to work, affect work quality and the efficiency of whole system, therefore, be necessary the fail battery found as early as possible in battery pack, and fail battery is safeguarded, its discharge capability is made to reach the electric discharge requirement of whole battery pack.
In existing means, three kinds are mainly contained to the maintenance of storage battery, the first is that cell voltage is patrolled and examined, namely floating charge and open circuit voltage detection battery status is measured by battery data logging device, the second is the property checked volume test, and namely regular to the battery property checked discharge test by code every half a year or 1 year, the third is inner walkway, namely measured the internal resistance of storage battery by portable internal resistance test device, but all there is following drawback in above-mentioned means:
If first relies on manpower to choose fail battery from battery pack there is very large difficulty, first the high direct voltage of battery pack easily causes operating personnel's Danger Electric shock risk;
The second, be long-term process to the judgement of battery performance, operating personnel can not measure battery for a long time, and namely cannot be real-time react the storage battery problem occurred or find, namely cannot solve failure problems in time.
Utility model content
Technical problem to be solved in the utility model there is provided a kind of easy to use, monitor WY-PMS type accumulator on-line maintenance system accurately.
The technical solution of the utility model is as follows:
A kind of WY-PMS type accumulator on-line maintenance system, it comprises balanced acquisition module, switching value acquisition module, battery parameter acquisition module and d. c. remote monitoring host computer; The output of described balanced acquisition module and switching value acquisition module accesses the respective input of described battery parameter acquisition module respectively, the input of the output termination d. c. remote monitoring host computer of described battery parameter acquisition module;
Described balanced acquisition module comprises battery voltage acquisition circuit and micro-ly fills micro discharge road; The input V of described battery voltage acquisition circuit
ibe connected to the two ends of tested voltage, its output V
oconnect the respective input of battery parameter acquisition module, described micro-input termination charge and discharge control signal C filling micro discharge road
iN, its output C
oUTconnect the respective input of battery parameter acquisition module;
Described battery voltage acquisition circuit comprises button switch K, resistance R1-R2, electric capacity C1, amplifier A1 and oscilloscope M; The input V of described battery voltage acquisition circuit
ipositive pole accesses the inverting input of amplifier A1 through resistance R1 and button switch K, the input V of described battery voltage acquisition circuit
ithe in-phase input end of negative pole access amplifier A1, the in-phase input end ground connection of described amplifier A1, between the output that described oscilloscope M is connected in parallel on described amplifier A1 and ground; Described resistance R2 and electric capacity C1 connects afterwards and is connected in the two ends of button switch K, the output connecting resistance R2 of described amplifier A1 and the node of electric capacity C1;
Described micro-micro discharge road of filling comprises resistance R3-R4, enhancement mode P raceway groove insulating gate type field effect tube Q1, enhancement mode N raceway groove insulating gate type field effect tube Q2, electric capacity R2 and amplifier A2; The drain electrode of described field effect transistor Q1 connects+5V power supply, described micro-charge and discharge control signal C filling micro discharge road
iNconnect the grid of field effect transistor Q1 and field effect transistor Q2 respectively, the source electrode of described field effect transistor Q1 accesses the drain electrode of field effect transistor Q2 successively through resistance R3, R4, the source ground of described field effect transistor Q2, the node of described resistance R3 and R4 connects the in-phase input end of amplifier A2, himself inverting input of the output termination of described amplifier A2, in-phase input end ground connection after electric capacity C2 of described amplifier A2, the output of described amplifier A2 is micro-output C filling micro discharge road
oUT;
Described switching value acquisition module comprises being separately positioned on and detects that bus invested by storage battery, the multi-channel switch amount collector that batteries switch place invested by battery switch and discharge load invested by charger.
Further, the model of described multi-channel switch amount collector is KL-M4524.
Further, the model of described battery parameter acquisition module is HPB-1VTS.
Further, the model of described amplifier A1 and amplifier A2 is SF357.
Further, described switching value acquisition module also comprises the motor switch being arranged at storage battery trend of purchasing bus, charger trend of purchasing battery switch, discharge load trend of purchasing batteries switch place respectively.
Further, described switching value acquisition module also comprises the hand switch being arranged at storage battery trend of purchasing bus, charger trend of purchasing battery switch, discharge load trend of purchasing batteries switch place respectively.
Further, described d. c. remote monitoring host computer is the controller of core by single-chip microcomputer, which is provided with display screen directly perceived, there is service data display, service data hold capacity, and with RS485 and usb data interface, for transmitting data to battery parameter acquisition module or other monitoring host computers.
Further, described micro-micro discharge road of filling also comprises supplementary discharge circuit, and described supplementary discharge circuit comprises N raceway groove insulating gate type field effect tube Q3 and resistance R5; The in-phase output end of described amplifier A2 connects the drain electrode of field effect transistor Q3, the source ground of described field effect transistor Q3 through resistance R5.
The beneficial effects of the utility model are:
(1) native system is applicable in power system transformer substation, the running status of DC charging motor, the monomer voltage of battery, control bus voltage, closing bus bar voltage, control bus ground state, each road feeder switch state-detection can be monitored in real time, feeder switch tripping operation detection waits vital power supply characterisitic parameter, once find that power supply status is abnormal to send sound and light alarm immediately, directly report for work direct-current supervision center to process in time, thus effectively can avoid the generation of great electric power accident.
(2) native system achieve long-rangely carry out battery group capacity test, the remote testing internal resistance of cell, the switching of Long-distance Control DC bus state, Long-distance Control charger all/float state, the long-range charger parameter etc. that arranges need at substantial manpower and materials and the on-the-spot manual operation work that just can complete, greatly alleviate the workload of attendant, and reduce manual site to greatest extent and operate the misoperation brought, provide a favorable guarantee to system safety operation, for national grid transformer station unattended operation provides reliable guarantee.
Accompanying drawing explanation
Accompanying drawing 1 is structured flowchart of the present utility model.
Accompanying drawing 2 is the circuit diagram of battery voltage acquisition circuit in the utility model.
Accompanying drawing 3 is micro-circuit diagram filling micro discharge road in the utility model.
Accompanying drawing 4 is the micro-circuit diagram filling micro discharge road after improving in the utility model.
Wherein, 1 balanced acquisition module, 2 switching value acquisition modules, 3 battery parameter acquisition modules, 4 d. c. remote monitoring host computers.
Embodiment
Below in conjunction with accompanying drawing 1 ~ 4, the utility model is described in further detail.
Embodiment 1: with reference to accompanying drawing 1 ~ 3, the present embodiment 1 comprises balanced acquisition module 1, switching value acquisition module 2, battery parameter acquisition module 3 and d. c. remote monitoring host computer 4; The output of described balanced acquisition module 1 and switching value acquisition module 2 accesses the respective input of described battery parameter acquisition module 3 respectively, the input of the output termination d. c. remote monitoring host computer 4 of described battery parameter acquisition module 3;
Described balanced acquisition module 1 comprises battery voltage acquisition circuit and micro-ly fills micro discharge road; The input V of described battery voltage acquisition circuit
ibe connected to the two ends of tested voltage, its output V
oconnect the respective input of battery parameter acquisition module 3, described micro-input termination charge and discharge control signal C filling micro discharge road
iN, its output C
oUTconnect the respective input of battery parameter acquisition module 3;
Described battery voltage acquisition circuit comprises button switch K, resistance R1-R2, electric capacity C1, amplifier A1 and oscilloscope M; The input V of described battery voltage acquisition circuit
ipositive pole accesses the inverting input of amplifier A1 through resistance R1 and button switch K, the input V of described battery voltage acquisition circuit
ithe in-phase input end of negative pole access amplifier A1, the in-phase input end ground connection of described amplifier A1, between the output that described oscilloscope M is connected in parallel on described amplifier A1 and ground; Described resistance R2 and electric capacity C1 connects afterwards and is connected in the two ends of button switch K, the output connecting resistance R2 of described amplifier A1 and the node of electric capacity C1;
Described micro-micro discharge road of filling comprises resistance R3-R4, enhancement mode P raceway groove insulating gate type field effect tube Q1, enhancement mode N raceway groove insulating gate type field effect tube Q2, electric capacity R2 and amplifier A2; The drain electrode of described field effect transistor Q1 connects+5V power supply, described micro-charge and discharge control signal C filling micro discharge road
iNconnect the grid of field effect transistor Q1 and field effect transistor Q2 respectively, the source electrode of described field effect transistor Q1 accesses the drain electrode of field effect transistor Q2 successively through resistance R3, R4, the source ground of described field effect transistor Q2, the node of described resistance R3 and R4 connects the in-phase input end of amplifier A2, himself inverting input of the output termination of described amplifier A2, in-phase input end ground connection after electric capacity C2 of described amplifier A2, the output of described amplifier A2 is micro-output C filling micro discharge road
oUT;
Described switching value acquisition module 2 comprises being separately positioned on and detects that bus invested by storage battery, the multi-channel switch amount collector that batteries switch place invested by battery switch and discharge load invested by charger.
Further, the model of described multi-channel switch amount collector is KL-M4524.
Further, the model of described battery parameter acquisition module is HPB-1VTS.
Further, the model of described amplifier A1 and amplifier A2 is SF357.
Further, described switching value acquisition module 2 also comprises the motor switch being arranged at storage battery trend of purchasing bus, charger trend of purchasing battery switch, discharge load trend of purchasing batteries switch place respectively.
Further, described switching value acquisition module 2 also comprises the hand switch being arranged at storage battery trend of purchasing bus, charger trend of purchasing battery switch, discharge load trend of purchasing batteries switch place respectively.
Further, described d. c. remote monitoring host computer 4 is the controller of core by single-chip microcomputer, which is provided with display screen directly perceived, there is service data display, service data hold capacity, and with RS485 and usb data interface, for transmitting data to battery parameter acquisition module 3 or other monitoring host computers.
Embodiment 2: with reference to accompanying drawing 1,2 and accompanying drawing 4, the micro-micro discharge road of filling in the present embodiment 2 also comprises supplementary discharge circuit, and described supplementary discharge circuit comprises N raceway groove insulating gate type field effect tube Q3 and resistance R5; The in-phase output end of described amplifier A2 connects the drain electrode of field effect transistor Q3, the source ground of described field effect transistor Q3 through resistance R5.Other technologies feature is all identical with embodiment 1.
Described battery parameter acquisition module 3 refers to and is sent to d. c. remote monitoring host computer 4 by after balanced acquisition module 1 and the information management that gathered by switching value acquisition module 2; Described switching value acquisition module 2, for detecting the position that bus invested by storage battery, battery switch invested by charger, batteries switch invested by discharge load, detects the whether action of each switch.
Bus invested by described storage battery, battery switch invested by charger, discharge load is invested batteries switch and all adopted with manual and electric operating two kinds of working methods, this addresses the problem when doing battery capacity experiment, staff hurries back and forth the time on the way.
Described d. c. remote monitoring host computer 4, for transformer station's local monitoring terminals, parameter modification, telecommunication management etc.;
Described balanced acquisition module 1, for battery inspection, inner walkway and balanced management;
Described battery parameter acquisition module 3, for monitoring battery and controlling voltage, state of insulation, load current;
Described switching value acquisition module 2, opens tripping operation, feeder switch state etc. for monitoring feeder line sky.
As shown in Figure 2, button press K switch, now tested voltage is just added on oscilloscope M and shows, even if release-push K switch, although tested voltage disappears, oscilloscope M still remains the display of tested magnitude of voltage, now circuit working is in anti-phase magnifying state, closed loop gain is 1, and therefore gauge outfit instructed voltage is exactly input voltage, and electric capacity C1 and amplifier A1 input impedance form the Releasing loop of tested transient voltage.Because the input impedance of amplifier A1 is very high, therefore the time that can keep is longer, and reading is also more convenient, accurate.
From Fig. 3 ~ 4, micro-micro discharge road of filling forms feedback loop, realizes automated power and control a vital part.As charge and discharge control signal C
iNduring for low level, field effect transistor Q1 conducting, field effect transistor Q2 ends, and+5V voltage is charged to electric capacity C2 by resistance R3; As charge and discharge control signal C
iNduring for high level, field effect transistor Q2 conducting, field effect transistor Q1 ends, and electric capacity C2 is discharged to earth-return by resistance R4 again.Amplifier A2 forms voltage follower to be isolated late-class circuit and capacitor charge and discharge level, late-class circuit input resistance is avoided to have an impact to capacitor charge and discharge time constant, here electric capacity C2 generally chooses the bulky capacitor of 3000 more than μ F, to allow capacitance voltage value slowly change, be beneficial to stable electric capacity magnitude of voltage, after circuit quits work, need to discharge to electric capacity C2, and resistance R4 is slower to its velocity of discharge, therefore circuit is as shown in Figure 4 devised, add field effect transistor Q3, resistance R5 value on path is larger, general at about 1K, therefore can discharge to bulky capacitor rapidly after circuit quits work.
The operation principle of native system is as follows:
1, the long-range discharge and recharge to batteries operation is realized by electric operating switch and to the Long-distance Control of charger state and setting;
2, by being arranged on the monomer voltage of the balanced acquisition module 1 Real-time Collection storage battery on storage battery, temperature and total voltage, busbar voltage, load current;
The signalizing activity process such as running status and tripping operation of the switching value Real-Time Monitoring feeder switch 3, collected by switching value acquisition module 2;
4, realize long-rangely testing accumulator internal resistance by the balanced acquisition module 1 be arranged on storage battery;
5, form complete direct current system simulation drawing by d. c. remote monitoring host computer 4, dynamic data refreshes, and the position of the switch indicates, and running status is very clear;
6, can be recorded by d. c. remote monitoring host computer 4 and check Unit account of plant and historical failure record, 24 hours operation curves can be shown;
7, the expansion requirement etc. of other function can be realized by d. c. remote monitoring host computer 4.
8, realize online balanced management by the balanced acquisition module 1 be arranged on storage battery, protection battery, extends the useful life of storage battery.
The above execution mode is only preferred embodiment of the present utility model, and is not the exhaustive of the feasible enforcement of the utility model.For persons skilled in the art, to any apparent change done by it under the prerequisite not deviating from the utility model principle and spirit, all should be contemplated as falling with within claims of the present utility model.
Claims (8)
1. a WY-PMS type accumulator on-line maintenance system, is characterized in that: it comprises balanced acquisition module (1), switching value acquisition module (2), battery parameter acquisition module (3) and d. c. remote monitoring host computer (4); The output of described balanced acquisition module (1) and switching value acquisition module (2) accesses the respective input of described battery parameter acquisition module (3) respectively, the input of output termination d. c. remote monitoring host computer (4) of described battery parameter acquisition module (3);
Described balanced acquisition module (1) comprises battery voltage acquisition circuit and micro-ly fills micro discharge road; The input V of described battery voltage acquisition circuit
ibe connected to the two ends of tested voltage, its output V
oconnect the respective input of battery parameter acquisition module (3), described micro-input termination charge and discharge control signal C filling micro discharge road
iN, its output C
oUTconnect the respective input of battery parameter acquisition module (3);
Described battery voltage acquisition circuit comprises button switch K, resistance R1-R2, electric capacity C1, amplifier A1 and oscilloscope M; The input V of described battery voltage acquisition circuit
ipositive pole accesses the inverting input of amplifier A1 through resistance R1 and button switch K, the input V of described battery voltage acquisition circuit
ithe in-phase input end of negative pole access amplifier A1, the in-phase input end ground connection of described amplifier A1, between the output that described oscilloscope M is connected in parallel on described amplifier A1 and ground; Described resistance R2 and electric capacity C1 connects afterwards and is connected in the two ends of button switch K, the output connecting resistance R2 of described amplifier A1 and the node of electric capacity C1;
Described micro-micro discharge road of filling comprises resistance R3-R4, enhancement mode P raceway groove insulating gate type field effect tube Q1, enhancement mode N raceway groove insulating gate type field effect tube Q2, electric capacity R2 and amplifier A2; The drain electrode of described field effect transistor Q1 connects+5V power supply, described micro-charge and discharge control signal C filling micro discharge road
iNconnect the grid of field effect transistor Q1 and field effect transistor Q2 respectively, the source electrode of described field effect transistor Q1 accesses the drain electrode of field effect transistor Q2 successively through resistance R3, R4, the source ground of described field effect transistor Q2, the node of described resistance R3 and R4 connects the in-phase input end of amplifier A2, himself inverting input of the output termination of described amplifier A2, in-phase input end ground connection after electric capacity C2 of described amplifier A2, the output of described amplifier A2 is micro-output C filling micro discharge road
oUT;
Described switching value acquisition module (2) comprises being separately positioned on and detects that bus invested by storage battery, the multi-channel switch amount collector that batteries switch place invested by battery switch and discharge load invested by charger.
2. a kind of WY-PMS type accumulator on-line maintenance system according to claim 1, is characterized in that: the model of described multi-channel switch amount collector is KL-M4524.
3. a kind of WY-PMS type accumulator on-line maintenance system according to claim 1, is characterized in that: the model of described battery parameter acquisition module is HPB-1VTS.
4. a kind of WY-PMS type accumulator on-line maintenance system according to claim 1, is characterized in that: the model of described amplifier A1 and amplifier A2 is SF357.
5. a kind of WY-PMS type accumulator on-line maintenance system according to claim 1, is characterized in that: described switching value acquisition module (2) also comprises the motor switch being arranged at storage battery trend of purchasing bus, charger trend of purchasing battery switch, discharge load trend of purchasing batteries switch place respectively.
6. a kind of WY-PMS type accumulator on-line maintenance system according to claim 1 or 5, is characterized in that: described switching value acquisition module (2) also comprises and is arranged at the hand switch that bus invested by storage battery, battery switch invested by charger, batteries switch place invested by discharge load respectively.
7. a kind of WY-PMS type accumulator on-line maintenance system according to claim 1, it is characterized in that: described d. c. remote monitoring host computer (4) is the controller of core by single-chip microcomputer, which is provided with display screen directly perceived, there is service data display, service data hold capacity, and with RS485 and usb data interface, for transmitting data to battery parameter acquisition module (3) or other monitoring host computers.
8. a kind of WY-PMS type accumulator on-line maintenance system according to claim 1, is characterized in that: described micro-micro discharge road of filling also comprises supplementary discharge circuit, and described supplementary discharge circuit comprises N raceway groove insulating gate type field effect tube Q3 and resistance R5; The in-phase output end of described amplifier A2 connects the drain electrode of field effect transistor Q3, the source ground of described field effect transistor Q3 through resistance R5.
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| CN201520145242.XU CN204464406U (en) | 2015-03-16 | 2015-03-16 | A kind of WY-PMS type accumulator on-line maintenance system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921109A (en) * | 2019-02-26 | 2019-06-21 | 广东电网有限责任公司 | A kind of electric storage battery intelligent online maintenance system |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921109A (en) * | 2019-02-26 | 2019-06-21 | 广东电网有限责任公司 | A kind of electric storage battery intelligent online maintenance system |
| CN109921109B (en) * | 2019-02-26 | 2024-04-12 | 广东电网有限责任公司 | Intelligent online maintenance system for electric power storage battery |
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