CN2195117Y - Microcomputerized sport monitor - Google Patents
Microcomputerized sport monitor Download PDFInfo
- Publication number
- CN2195117Y CN2195117Y CN 94205683 CN94205683U CN2195117Y CN 2195117 Y CN2195117 Y CN 2195117Y CN 94205683 CN94205683 CN 94205683 CN 94205683 U CN94205683 U CN 94205683U CN 2195117 Y CN2195117 Y CN 2195117Y
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- telecontrol
- cell board
- monitor
- microcomputer
- circuit cell
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Abstract
The utility model relates to a microcomputer telecontrol monitor which is a power system automation device used for the data acquisition and the remote monitoring of industrial sites. A plurality of transmitters or windings are arranged in measuring loops of current mutual inductors and voltage mutual inductors of the data acquisition elements of the existing domestic and overseas power system automation telecontrol monitors, the load is enlarged, the measuring accuracy is poor, and the measuring range is narrow. The aim of the utility model is to provide a microcomputer telecontrol monitor which combines multiple functions of telemetry, teleindication, electrical degree and remote control into integration, a single-chip computer is used as a core, the current and the voltage mutual inductors are replaced by a sensor assembled by Hall elements, the microcomputer telecontrol monitor has the characteristics of small energy consumption, high precision, good linearity, wide measuring range, etc., and the utility model has the function of fault recording.
Description
The utility model is a kind of Automation of Electric Systems device to collection of industry spot implementation data and remote monitoring.
The Automation of Electric Systems monitoring technique be from relay circuit that the contact is arranged to contactless transistor circuit, develop into the telecontrol equipment that large scale integrated circuit is formed.Along with the development of electronic computer technology, the widespread use of microcomputer and single-chip microcomputer makes the Automation of Electric Systems monitoring technique step again and go a step further to intelligent, multi-functional, miniaturization.At present domestic and international Automation of Electric Systems watch-dog to the realization of functions such as remote measurement, remote signalling, remote control and remote regulating, mostly adopts the equipment and the device of function singleness.Data acquisition element all need be settled a large amount of transmitter or windings in the measurement loop of current transformer, voltage transformer (VT) in the telemechanical apparatus of electric system, add heavy load, influence measuring accuracy, owing to be subjected to the influence of magnetic saturation problem, measurement range is subjected to certain restriction.Therefore, the telemechanical apparatus energy consumption that adopts electric current, voltage transformer (VT) to design is big, measuring accuracy is poor, measurement range is little, so, must be improved and be innovated.
The purpose of this utility model provides a kind of remote measurement, remote signalling, the multiple function of remote control in the microcomputer telecontrol supervising device of one, with single-chip microcomputer 8098 is core, with two kinds of sample modes of AC and DC, be assembled into sensor with Hall element and replace electric current, voltage transformer (VT), characteristics such as make that device has that power consumption is little, precision is high, good linearity, measurement range are big.
The technical solution of the utility model is: the microcomputer telecontrol supervising device is made up of rack, front and back door, banked relay, nixie display, monitoring host computer, keypad, terminal row, received signal pilot lamp, transmission signal lamp, device run indicator, power switch etc., be characterized in Hall element, banked relay are housed in rack, host circuit cell board, telemetry-acquisition circuit unit plate, remote signalling Acquisition Circuit cell board, electricity Acquisition Circuit cell board, remote control circuit cell board and communicating circuit cell board are housed in monitoring host computer.
On host circuit cell board and telemetry-acquisition circuit unit plate, 8098 single-chip microcomputers are housed, on telemetry-acquisition circuit unit plate, export each power frequency of control realization at a high speed by 8098 single-chip microcomputers and gather 64 point data in the time, also can realize failure wave-recording.
This device with single-chip microcomputer 8098 as the control maincenter.Wherein the power supply of device adopts two kinds of power supply modes of AC and DC, does not need ups power.Sampling section has the AC and DC dual mode.Remote measurement, remote signalling, the whole performers of remote control place in the standard cabinet.Remotely-controlled object relay, character relay are combined into a relay.Functions such as electricity collection, failure wave-recording are realized by same device.
Can be divided into six circuit units by its function:
A. motherboard circuit unit
Motherboard selects for use 8098 accurate 16 single-chip microcomputers as the control maincenter.The main 12MHZ that shakes comprises 16KEPROM and 32KRAM, and has keyboard/display control circuit and RS232 interface on the motherboard, also have a century-old calendar clock and a power down protection circuit of protecting with the duplicate charged pool of microcomputer.Motherboard Peripheral Interface plate address is 6000H～7FFFH, and the peripheral hardware addressing can be set by address toggle switch on the peripheral hardware plate.Bus adopts the STD bus of standard, and each peripheral hardware plate can be inserted in any bus interface groove, and the system of being convenient to expands.
B. telemetry-acquisition circuit unit
By the alternating voltage gathered, electric current through Hall element be transformed into-5～+ DC voltage of 5V after, directly insert the telemetry-acquisition plate.This plate has independent a slice 8098 single-chip microcomputers, and comprises voltage formation, analog filtering, sampling maintenance, modeling circuit and analog to digital conversion (A/D) and data storage area parts such as (RAM).Each piece telemetry-acquisition plate can be gathered voltage, the electric current of four road transmission lines of electricity, and calculates active power, reactive power and power factor, phase angle and the electrical network power frequency etc. of each circuit by the single-chip microcomputer of this plate.This plate has the data storage cell of larger capacity, by the control of 8098 single-chip microcomputer high speed outputs, can gather 64 point data in the time at each power frequency period, can write down the total data of two test lines in 2 seconds, can realize the failure wave-recording function.The remote measurement analog acquisition adopts AD574(12 position A/D) chip, precision can reach 1/2048, and with LF398 analog quantity is sampled/kept, and can guarantee the synchronism of single-chip microcomputer collection voltage, electric current.LM311 comparer comparative voltage, current over-zero, precision can reach the mv level, thus the precision of the power factor that assurance is gathered.The communication serial ports of this plate and system host board adopts 422 mouthfuls of modes, and antijamming capability is strong, sends adjustable length, can avoid data to repeat.The transmission digit rate is 187.5kbavd, and the total data of this plate collection can send in 2ms and finish.
C. remote signalling Acquisition Circuit unit
The collection of remote signalling amount is to comprising that line-breaker, relay protection signal and the remote control switching values such as signal of returning to school gather.The displacement signal of each switching value, can drive 8279 and produce interruption behind photoisolator through the de-twitter circuit shaping.8279 are set to the sensor matrices mode, and concrete management remote signalling input monitors each switch changed position state.In case switch changed position is arranged, its sensor RAM is displacement situation under the immediate record, and when this sensor array end of scan, sends interrupt request to single-chip microcomputer.The resolution of switching value displacement is less than 5ms.Because this plate adopts de-twitter circuit and photoelectricity quarantine measures, can prevent the unexpected influence of disturbing system, improved reliability of system operation.The remote signalling that every remote signalling collection plate is gathered is counted and can be provided with arbitrarily by the toggle switch on this plate.System software is general, and hardware configuration is flexible.
D. electricity Acquisition Circuit unit
The electricity collection plate is used to write down the count value of on-the-spot watt-hour meter, the every 5ms of the motherboard of system by 74LS245 once to the status poll of electric degree count pulse, after having found a pulse, the electric degree counting adds 1.Electricity collection plate and remote signalling amount collection plate are general, and just the electricity collection plate need not 8279 scanning interrupt circuit parts.The electric degree count pulse is produced by electric degree photoimpact sensor, and this device volume is little, can install on the watt-hour meter of disposable type, and not need to change gauging table, has saved construction costs.The electric degree value of accumulative total is identical with the metering tabular value, and can realize the statistics of peak, paddy electric weight by software.In order to overcome the influence to the accumulative total electric weight of passage error code or fault, adopting the electricity delivery value is the window value of gauging table.
E. remote control circuit unit
Remote control panel is the operating part of main website to substation transmission guidance command, the adhesive of its output control relay.In order to ensure the reliability of remote control, should be undertaken by correct step in remote control actions of execution, that is: a. chooses remotely-controlled object, specifies remote control character; B. loopback check information is judged; C. errorless last execution straighforward operation.When main website issues a guidance command, substation receives to be handled, analyze verification by decoding, determine corresponding remotely-controlled object/character word, start corresponding object/character relay, and utilize one of this relay often to open node, return to school the remote signalling foldback to main website as object/character, after the main station judging guidance command is correct, issue fill order again, substation starts carries out relay, carries out certain operation of this circuit.In order to simplify hardware configuration, all the shared execution relay control of action is carried out in remote control.Each bar control loop is installed a closing relay, a tripping relay, and a normally closed node that utilizes tripping relay is as the reclosing locked loop that discharges.Every controlled 32 relays of remote control panel, node closed path＞100mA, 32 preceding 16 point control in contact are closed a floodgate, back 16 point control separating brakes, in order to improve antijamming capability, remote control execution loop is added with time-delay and powers up function, to prevent misoperation.
F. communicating circuit unit
Channel plate comprises: long-range transmission communication and long-range reception communication.Its address decoding can be provided with by toggle switch.Transmission/reception baud rate also can be provided with flexibly by contact pin.Baud rate scope 300～1200BT.
The system software part is as follows:
Device adopts and patrols and examines and the disposal route of interrupting combining, and has both guaranteed real time of data acquisition, has saved the expense of CPU again, fully the development system resource.
During system start-up, or when the RESET of resetting look-at-me is arranged, 8098 with some initialization of register and remove PSW, load chip configuration register (CCB), and execution command is prepared to begin from this unit in program pointer PC pointed 2080H unit.Program is at first finished the initialization of system, and master routine is carried out in circulation then, when interrupt event takes place, makes an immediate response, and carries out corresponding interrupt handling routine.
Each tag unit is at first removed in program initialization, each buffer pointer of initialization and user's stack pointer, initializes host plate 8098 and keyboard/demonstration 8279, its registers in internal memory ROM self check and the sheet, and calculate numbers such as YC, YX, PO, YK, each impact damper clearly.Read clock, initialization communication board 8251 etc.Put interrupt vector then, open interruption, then carry out the main flow program, when the generation of interruption incident, corresponding interrupt handling routine is carried out in the interruption that makes an immediate response.
Accompanying drawing subordinate list explanation: Fig. 1 microcomputer telecontrol supervising device block diagram, Fig. 2-1, Fig. 2-2 microcomputer telecontrol supervising device host circuit unit, Fig. 3-1, Fig. 3-2 microcomputer telecontrol telemetry-acquisition circuit units, Fig. 4 microcomputer telecontrol remote signalling (electricity) Acquisition Circuit unit, Fig. 5-1, Fig. 5-2 microcomputer telecontrol remote control circuit unit, Fig. 6-1, Fig. 6-2, Fig. 6-3 microcomputer telecontrol communicating circuit unit, Fig. 7 microcomputer telecontrol supervising device front outside drawing, Fig. 8 microcomputer telecontrol supervising device back outside drawing.Among Fig. 7, Fig. 8: 1 Qianmen, 2 racks, 3 banked relays, 4 nixie displaies, 5 monitoring host computers, 6 keypads, 7 terminal rows, 8 received signal pilot lamp, 9 send signal lamp, 10 device run indicator, 11 power switches, 12 Hall elements, 13 host circuit cell boards, 14 telemetry-acquisition circuit unit plates, 15 remote signalling Acquisition Circuit cell boards, 16 electricity Acquisition Circuit cell boards, 17 remote control circuit cell boards, 18 communicating circuit cell boards, the right back door of 19 racks, the left back door of 20 racks.Table 1 host circuit unit components and parts detail list, table 2 telemetry-acquisition circuit unit components and parts detail list, table 3 remote signalling (electricity) Acquisition Circuit unit components and parts detail list, table 4 remote control circuit unit components and parts detail list, table 5 communicating circuit unit components and parts detail list.
In conjunction with the accompanying drawings an embodiment of the present utility model is further described.
Qianmen (1) is housed on rack (2), totally 42 of banked relays (3) are equipped with on rack top, monitoring host computer (5) is contained in the middle part of rack (2), terminal row (7) is equipped with in the both sides, front and back, and nixie display (4), keypad (6), received signal pilot lamp (8), device run indicator (9), power switch (10) are housed on monitoring host computer (5); In monitoring host computer (5) inside host circuit cell board (13) telemetry-acquisition circuit unit plate (14), remote signalling Acquisition Circuit cell board (15), electricity Acquisition Circuit cell board (16), remote control circuit cell board (17), communicating circuit cell board (18) are housed also; Totally 36 of Hall elements (12) are housed on the top of rack back, and the back door of rack is (19,20); Maintenance tool and acknowledgment copy are equipped with in the bottom of rack (2).
Layout adopts modular organization, and frame adopts the STD bus groove, and combination is adjusted flexibly, expands easily.
Operating function:
Keyboard operation function: show the remote measurement amount; Show the remote signalling amount; Show electricity; During demonstration, minute, second; Show year, month, day; Display random access memory district data; When being provided with, minute, second; Year, month, day is set; The setting operation password.
The straighforward operation process:
Making process:
The dispatching terminal control system issues certain circuit " combined floodgate " guidance command, start the combined floodgate object/character relay of this circuit, this relay adhesive, the a pair of node of often opening is checked remote signalling foldback readjustment degree end control system as " combined floodgate object ", after judgement is errorless, issue " execution " guidance command again, start and carry out relay, carry out the combined floodgate remote control of this circuit.
The tripping operation process:
The dispatching terminal control system issues certain circuit " tripping operation " guidance command, start the tripping operation object/character relay of this circuit, this relay adhesive, the a pair of node of often opening of relay is checked remote signalling foldback readjustment degree end control system as " tripping operation object ", after judgement is errorless, issue " execution " guidance command again, start and carry out relay, carry out the tripping operation remote control of this circuit.For when carrying out the tripping operation remote control, do not start multiple switching relay, in the tripping operation object/character relay that starts this circuit, a pair of node of often opening by this relay is combined into self-holding circuit, to guarantee to block reclosing.
The major function and the index of this device are as follows:
The telemetry-acquisition function: basic tankage 32 tunnel extends to 128 the tunnel; Precision: A/D is converted to 12 binary codes, and relative accuracy is 1LSB, and output accuracy can arrive 0.1%; Input range: 0～120% Un, In, Un=100V, In=5A; The range of linearity: meet the demands in the tested ratings 0～120%; Input characteristics: adopt the Hall element isolation method, input phase voltage, line voltage, phase current, line current; Temperature effect: in-10 ℃～55 ℃, error is no more than ± and 0.5%;
The remote signalling acquisition function: basic tankage 32 tunnel extends to 128 the tunnel; Accident journal resolution station intrinsic resolution is 5ms; The remote signalling acquisition mode adopts interruption and patrols and examines the method that combines, and has both guaranteed the real-time that remote signalling is gathered, and the expense of having saved CPU is not again also lost the reliability of patrolling and examining; Input voltage range: direct current 12V～24V.
The electricity acquisition function: electricity is gathered basic tankage 32 tunnel, can expand to 64 the tunnel.
Distant control function: basic tankage 16 tunnel can expand to 32 the tunnel.
Failure wave-recording function: basic tankage 2 tunnel.Each power frequency can be gathered 64 point data in the time.2 above standard RS232 serial ports are arranged, can with master station communication, also can realize local function for monitoring by external PC.Traffic rate can be provided with 300BT, 600BT, 1200BT, 9600BT any one.Communication format meets " microcomputer telecontrol communication protocol " promulgated by the ministries or commissions of the Central Government, communication mode CDT.
Keyboard/Presentation Function: this device has this machine display panel, for the user provides one to overlap keyboard operation function easily.
Advantage of the present utility model and good effect are:
Adopt Hall element to be assembled into sensor at the Operation of Electric Systems device first and replace traditional transmitter, having overcome former Traditional Transmitters increases CT, PT load, affects the defect of certainty of measurement.
The installation distribution is simple, and is easy to maintenance, and changing testing element does not need moving secondary circuit, has improved the reliability of Operation of Electric Systems.
The sensor measurement scope that Hall element forms is big, and good linearity is for exploitation failure wave-recording function has been created essential condition.
Sample mode has AC sampling and AC sampling/two kinds of forms of direct current conversion, applicable to the requirement of various microcomputer telecontrol system.
The armamentarium device integrates, and the soon in the past transmitter of telemechanical engineering screen, device screen, remote signalling switching shielded, remote control is carried out screen four sides screen and is combined into simultaneously screen, simplified engineering design, saved floor space and investment, has the high ratio of performance to price.
Multiple functional, stable and reliable operation. The certainty of measurement height is steady in a long-term constant.
Adopt STD bus, Modular Structure Design. Feature board can any combination, and remote measurement amount, remote signalling amount, remote control amount etc. can arbitrarily arrange by toggle switch. Expand easily, assembling can adapt to the needs of different system flexibly.
Have abundant soft and hardware support, for the user provides a cover complete working software, the user use it can be on PC update routine parameter and obtain the machine code file easily.
The structural design novelty has the advantages such as banked relay, switch auxiliary contact and the control cables material of saving. Electricity is gathered, and installs pulse transducer additional at existing various model electricity-measuring meters, and the electric degree value of accumulative total is identical with the metering tabular value, and can automatically add up peak, paddy electric weight.
Have the failure wave-recording function, each power frequency can be gathered 64 data in the time, can keep fault that interior total data in instantaneous 2 seconds takes place.
| Item designation | Specifications and models | Title | Quantity |
| U1 | 74LS245 | Eight same-phase three- |
1 |
| U2 | 74LS245 | Eight same-phase three- |
1 |
| U3 | 74LS245 | Eight same-phase three- |
1 |
| U4 | 74LS04 | |
1 |
| U5 | 4503 | Six |
1 |
| U6 | 74LS139 | Two---four |
1 |
| U7 | 7400 | Four |
1 |
| U8 | 8098 | The |
1 |
| U9 | MC146818 | |
1 |
| U10 | 62258 | |
1 |
| U11 | 27128 | EPROM | 1 |
| U12 | 74LS373 | Eight mouthfuls of |
1 |
| U13 | 8279 | Programmable keyboard/show and |
1 |
| U14 | 7407 | Open collector high pressure output hex buffer/ |
1 |
| U15 | 74LS138 | Three----, eight |
1 |
| U17 | 3487 | Four |
1 |
| U18 | 3486 | Four end- |
1 |
| U19 | CM1489 | The |
1 |
| U20 | CM1488 | The |
1 |
| U21 | 7407 | Open collector high pressure output hex buffer/ |
1 |
| U22 | 7407 | Open collector high pressure output hex buffer/ |
1 |
| Item designation | Specifications and models | Title | Quantity |
| U1 | 8098 | The |
1 |
| U2 | 373 | Eight mouthfuls of |
1 |
| U3 | 27128 | EPROM | 1 |
| U4 | 62258 | ROM? | 1 |
| U5 | 7404 | Hex |
1 |
| U6 | 7400 | 2 input ends, four |
1 |
| U7 | 245 | Eight same-phase three- |
1 |
| U8 | 139 | Two--four |
1 |
| U9 | LF398 | Four- |
1 |
| U10 | AD574 | 12 A/ |
1 |
| U11 | 245 | Eight same-phase three- |
1 |
| U12 | TLL117 | Photoelectricity is isolated | 1 |
| U13 | 3487 | Four |
1 |
| U14 | 13509 | The |
1 |
| U15 | 13509 | The |
1 |
| U16 | 13509 | The |
1 |
| U17 | LM311 | Two than changeing |
1 |
| |
373 | Eight mouthfuls of |
1 |
| U19 | LF412 | Dual |
1 |
| U20 | LM311 | |
1 |
| Item designation | Specifications and models | Title | Quantity |
| U1 | 74LS688 | Eight digit number word comparer | 1 |
| U2 | 74LS138 | Three----, eight |
1 |
| U3 | 74LS138 | Three----, eight |
1 |
| U4 | 7404 | Hex |
1 |
| U5 | 7408 | Two input ends, four |
1 |
| U6 | 7474 | Double D trigger (band set. reset. just trigger) | 1 |
| U7 | TLL117 | Photoelectricity is isolated | 1 |
| U8 | 245 | Eight same-phase three-state transceivers | 1 |
| U9 | 245 | Eight same-phase three-state transceivers | 1 |
| U10 | 245 | Eight same-phase three-state transceivers | 1 |
| U11 | 245 | Eight same-phase three-state transceivers | 1 |
| U12 | 175 | Four-hole trigger (be with common clock and reset) | 1 |
| U13 | 175 | Four-hole trigger (be with common clock and reset) | 1 |
| U14 | 175 | Four-hole trigger (be with common clock and reset) | 1 |
| U15 | 175 | Four-hole trigger (be with common clock and reset) | 1 |
| U16 | 175 | Four-hole trigger (be with common clock and reset) | 1 |
| U17 | 175 | Four-hole trigger (be with common clock and reset) | 1 |
| U18 | 175 | Four-hole trigger (be with common clock and reset) | 1 |
| U19 | 175 | Four-hole trigger (be with common clock and reset) | 1 |
| U20 | 621 | Eight bus transceivers (OC output) | 1 |
| U21 | 621 | Eight bus transceivers (OC output) | 1 |
| U22 | 621 | Eight bus transceivers (OC output) | 1 |
| U23 | 621 | Eight bus transceivers (OC output) | 1 |
| U24 | 621 | Eight bus transceivers (OC output) | 1 |
| U25 | 621 | Eight bus transceivers (OC output) | 1 |
| U26 | 621 | Eight bus transceivers (OC output) | 1 |
| U27 | 621 | Eight bus transceivers (OC output) | 1 |
| Item designation | Specifications and models | Title | Quantity |
| U1 | 74LS688 | Eight digit |
1 |
| U2 | 74LS138 | Three---eight |
1 |
| U3 | 7403 | 2 input ends, four Sheffer stroke gates (open-drain) | 1 |
| U4 | 74LS245 | Eight same-phase three- |
1 |
| |
8279 | Programmable keyboard/ |
1 |
| U6 | 74LS138 | Three---eight |
1 |
| U7 | 74LS245 | Eight same-phase three- |
1 |
| U8 | 74LS245 | Eight same-phase three- |
1 |
| U9 | 74LS245 | Eight same-phase three- |
1 |
| U10 | 74LS245 | Eight same-phase three- |
1 |
| Item designation | Specifications and models | Title | Quantity | |
| U1 | 74688 | Eight digit |
1 | |
| U2 | 74138 | Three---eight |
1 | |
| |
8251 | The |
1 | |
| |
8251 | The |
1 | |
| |
8253 | |
1 | |
| U6 | 74390 | Two decade counters | 1 | |
| U7 | 74390 | Two decade counters | 1 | |
| U8 | 74LS14 | Six anti-phase Schmidt triggers | 1 | |
| |
7474 | The |
1 | |
| U10 | 7404 | |
1 | |
| U11 | 7433 | 2 input four or non-impact dampers of |
1 | |
| U12 | LF347 | Four- |
1 | |
| U13 | LF347 | Four- |
1 | |
| U14 | | Phaselocked loop | 1 |
Claims (1)
1, one by rack (2), Qianmen (1), back door (19,20), banked relay (3), nixie display (4), monitoring host computer (5), keypad (6), terminal row (7), received signal pilot lamp (8), send signal lamp (9), device run indicator (10), the microcomputer telecontrol supervising device that power switch (11) is formed, it is characterized in that: Hall element (12) is housed in rack (2), banked relay (3), host circuit cell board (13) is housed in monitoring host computer (5), telemetry-acquisition circuit unit plate (14), remote signalling Acquisition Circuit cell board (15), electricity Acquisition Circuit cell board (16), remote control circuit cell board (17) and communicating circuit cell board (18) are equipped with 8098 single-chip microcomputers on host circuit cell board (13) and telemetry-acquisition circuit unit plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94205683 CN2195117Y (en) | 1994-03-31 | 1994-03-31 | Microcomputerized sport monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94205683 CN2195117Y (en) | 1994-03-31 | 1994-03-31 | Microcomputerized sport monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2195117Y true CN2195117Y (en) | 1995-04-19 |
Family
ID=33824544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94205683 Expired - Fee Related CN2195117Y (en) | 1994-03-31 | 1994-03-31 | Microcomputerized sport monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2195117Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100527032C (en) * | 2006-04-20 | 2009-08-12 | 比亚迪股份有限公司 | Fault remote-measurement and control device for electric vehicle |
| CN104459555A (en) * | 2014-03-24 | 2015-03-25 | 中国能源建设集团广东省电力设计研究院 | Battery energy storage station DC system fault recording and collecting device |
| CN106774237A (en) * | 2016-11-18 | 2017-05-31 | 中国电力科学研究院 | A kind of observing and controlling remote control sluggish detection method and its system |
| CN109818420A (en) * | 2019-03-26 | 2019-05-28 | 国网北京市电力公司 | Measuring and controlling equipment and TT&C system |
-
1994
- 1994-03-31 CN CN 94205683 patent/CN2195117Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100527032C (en) * | 2006-04-20 | 2009-08-12 | 比亚迪股份有限公司 | Fault remote-measurement and control device for electric vehicle |
| CN104459555A (en) * | 2014-03-24 | 2015-03-25 | 中国能源建设集团广东省电力设计研究院 | Battery energy storage station DC system fault recording and collecting device |
| CN106774237A (en) * | 2016-11-18 | 2017-05-31 | 中国电力科学研究院 | A kind of observing and controlling remote control sluggish detection method and its system |
| CN109818420A (en) * | 2019-03-26 | 2019-05-28 | 国网北京市电力公司 | Measuring and controlling equipment and TT&C system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |