CN106786831A - A kind of ups power electric quantity acquisition and control system - Google Patents

A kind of ups power electric quantity acquisition and control system Download PDF

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Publication number
CN106786831A
CN106786831A CN201611007201.XA CN201611007201A CN106786831A CN 106786831 A CN106786831 A CN 106786831A CN 201611007201 A CN201611007201 A CN 201611007201A CN 106786831 A CN106786831 A CN 106786831A
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CN
China
Prior art keywords
battery
voltage
charging
time
detection module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611007201.XA
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Chinese (zh)
Inventor
李明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Henan Fangcheng Power Supply Co
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State Grid Henan Fangcheng Power Supply Co
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Filing date
Publication date
Application filed by State Grid Henan Fangcheng Power Supply Co filed Critical State Grid Henan Fangcheng Power Supply Co
Priority to CN201611007201.XA priority Critical patent/CN106786831A/en
Publication of CN106786831A publication Critical patent/CN106786831A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G01R31/3842Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40Testing power supplies
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0063Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007Regulation of charging or discharging current or voltage

Abstract

The present invention discloses a kind of ups power electric quantity acquisition and control system, including charging current detection module, memory, charging voltage detection module, temperature detecting module, discharge voltage detection module and discharge current detection module, the charging current detection module and charging voltage detection module are both connected on the charging circuit between main power source and stand-by power supply.The present invention can carry out integrated management according to the electricity of the charged state of battery, discharge condition and battery to the state of battery, can any life cycle moment of battery can keep terminal reserve battery dump energy, and the inventive method has taken into account the performance of battery itself, also there is the function of information Store, reliability of the present invention is high, and practicality is good.

Description

A kind of ups power electric quantity acquisition and control system
Technical field
The present invention relates to a kind of reactive-load compensation field, specifically a kind of ups power electric quantity acquisition and control system.
Background technology
With continuing to develop for modern technologies, to the reliability requirement more and more higher of system, so as to be wanted on power supply energy Ask also higher, many electrical equipments are equipped with ups power so that UPS powers the standard configuration as more and more systems.With Power information acquisition terminal is one of visual plant of power system, and the importance of its power supply reliability is self-evident.At present, electric power The power information acquisition terminal manufacturer of user is to going the management of battery substantially only with voltage monitoring and charging two Means.The implementation of the two means is excessively simple, and the cut-off condition of charging does not consider that environment temperature, individual difference etc. influence Factor, only using charging voltage as Rule of judgment, does not have any technical finesse, not to battery to the maintenance of battery-active yet Discharge and recharge number of times, current operating state, dump energy make a record timely and effectively to be changed with display, prompting client.Electric power is public Department's technical management means fall behind relatively, and buying installation procedure is also very complicated.These factors affects power information acquisition terminal The actual dump energy of reserve battery.The method of the current reserve battery managing electric quantity for power information acquisition terminal is easily Cause overcharging for reserve battery;And for battery, improperly charging modes or overcharge that to be that battery enters tight Damage again can not recover one of principal element for using, it is easy to cause a certain sections or more piece in many section section series-connected cells There is the situation of both positive and negative polarity short circuit;Once such failure occurs, power information acquisition terminal electricity on terminal is stopped is reduced by serious The success rate of reporting events, causes power information acquisition terminal to lose due effect, causes huge loss.
The content of the invention
It is an object of the invention to provide a kind of simple structure, ups power electric quantity acquisition easy to use and control system, To solve the problems, such as to be proposed in above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme:
A kind of ups power electric quantity acquisition and control system, including charging current detection module, memory, charging voltage detection mould Block, temperature detecting module, discharge voltage detection module and discharge current detection module, the charging current detection module and charging Voltage detection module is both connected on the charging circuit between main power source and stand-by power supply, the discharge voltage detection module and is put Electric current detection module is both connected on the discharge circuit between battery and load, the temperature detecting module and electric quantity monitoring mould Block is both connected on stand-by power supply, the charging current detection module, charging voltage detection module, temperature detecting module, electricity The signal transmission that monitoring modular, discharge voltage detection module and discharge current detection module will be detected is to single-chip microcomputer, monolithic House dog, memory and display are additionally provided with machine.
As preferred scheme of the invention:Methods described includes:1., according to the characteristic of battery itself, the minimum of battery is set Time interval between charge and discharge process of normal working voltage threshold value, battery, maximum charge time, charging current, put Maximum voltage difference, terminal under electric current, different temperatures when battery charging voltage controlling value, charging go up electric maximum functional for the first time Time, terminal maximum stream time and new battery maximum stream time;2. after battery is installed, judge terminal whether just Often access whether civil power, battery are installed in place and environment temperature is in the working range of battery;3. the judgement knot according to step 2 Really, trickle charge is carried out to battery, and keeps trickle charging time more than between time of the battery between charge and discharge process Every, and state by battery after the completion of trickle charge now is defined as the first stable state;4. under the first lower state, using sentencing as follows According to the target control state for judging battery:If A. terminal time that works on power go up electric maximum operating time and electricity for the first time more than terminal Cell voltage is higher than minimum normal working voltage threshold value, or the terminal non-power down operations time is more than terminal maximum stream time, Or new battery is more than new battery maximum stream time into the time of terminal and cell voltage is higher than minimum normal work electricity Pressure threshold value, is now discharged battery with discharge current;If B. motor battery when on standby voltage is less than minimum normal work electricity Pressure threshold value, or new battery is less than minimum normal working voltage threshold value into cell voltage during terminal, now with charging current pair Battery is charged;5., according to the result of determination of step 4, the target control state of battery is determined using following criterion:If 1) with When charging current charges to battery, the battery charging voltage controlling value under the continuous n times of cell voltage reach Current Temperatures, or Difference between battery current voltage value and history voltage max is big less than maximum voltage difference when charging, or charging interval When the maximum charge time, battery is now controlled to enter the first stable state, wherein N is positive integer;If 2) with discharge current to battery When being discharged, cell voltage is less than minimum normal working voltage threshold value, now controls battery to enter the first stable state, 6. in battery During in the first stable state, judge the third time discharge period of battery whether more than 30 minutes:If so, then showing battery performance It is unsatisfactory for requiring, ALM.
As preferred scheme of the invention:The single-chip microcomputer is STC89 series monolithics.
As preferred scheme of the invention:The battery is with discharge current discharge condition and battery with charging current for charging shape Switching between state has to pass through the first stable state.
As preferred scheme of the invention:The battery is Ni-Cr battery.
As preferred scheme of the invention:Minimum normal working voltage threshold value described in the step 1 is 6.75V;Battery Time interval between charge and discharge process 15 minutes;The maximum charge time is 12 hours;Charging current is 0.05C, its Middle C is the electricity of battery;Discharge current is 0.1C, and wherein C is the electricity of battery;It is 48 that terminal goes up the electric maximum operating time for the first time Hour;Terminal maximum stream time is 60 days;New battery maximum stream time is 48 hours;Maximum electricity during charging Pressure difference is -20mV.
As preferred scheme of the invention:Maximum voltage difference during charging described in the step 1, is the current of battery The difference of the maximum in magnitude of voltage and history magnitude of voltage;The history that history magnitude of voltage is recorded after adding up to charge 10 hours for battery Magnitude of voltage.
Compared with prior art, the beneficial effects of the invention are as follows:The present invention can be according to the charged state of battery, electric discharge shape The electricity of state and battery carries out integrated management to the state of battery, be able to can be protected at any life cycle moment of battery The dump energy of the reserve battery of terminal is held, and the inventive method has taken into account the performance of battery itself, also with information Store Function, reliability of the present invention is high, and practicality is good.
Brief description of the drawings
Fig. 1 is the block diagram of ups power electric quantity acquisition and control system.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
Refer to Fig. 1, a kind of ups power electric quantity acquisition and control system, including charging current detection module, memory, Charging voltage detection module, temperature detecting module, discharge voltage detection module and discharge current detection module, the charging current Detection module and charging voltage detection module are both connected on the charging circuit between main power source and stand-by power supply, the electric discharge electricity Pressure detection module and discharge current detection module are both connected on the discharge circuit between battery and load, the temperature detection mould Block and electric quantity monitoring module are both connected on stand-by power supply, the charging current detection module, charging voltage detection module, temperature The signal transmission that detection module, electric quantity monitoring module, discharge voltage detection module and discharge current detection module will be detected House dog, memory and display are additionally provided with to single-chip microcomputer, on single-chip microcomputer.
Method includes:1., according to the characteristic of battery itself, set the minimum normal working voltage threshold value of battery, battery and filling Battery charges under time interval, maximum charge time, charging current, discharge current, different temperatures between electricity and discharge process Maximum voltage difference, terminal when voltage controling value, charging go up electric maximum operating time, terminal maximum stream time for the first time With new battery maximum stream time;2. after battery is installed, judge whether terminal normally accesses whether civil power, battery are installed to In the working range of position and environment temperature in battery;3., according to the result of determination of step 2, trickle charge is carried out to battery, and Trickle charging time is kept to be more than time interval of the battery between charge and discharge process, and by battery after the completion of trickle charge State now is defined as the first stable state;4. under the first lower state, the target control state of battery is judged using following criterion: If A. terminal time that works on power go up the electric maximum operating time for the first time more than terminal and cell voltage is higher than minimum normal work electricity Pressure threshold value, or the terminal non-power down operations time is big more than terminal maximum stream time, or the time that new battery enters terminal In new battery maximum stream time and cell voltage be higher than minimum normal working voltage threshold value, now with discharge current to electricity Discharged in pond;B. if motor battery when on standby voltage is less than minimum normal working voltage threshold value, or new battery into terminal Cell voltage is, less than minimum normal working voltage threshold value, battery to be charged with charging current now;5. according to step 4 Result of determination, the target control state of battery is determined using following criterion:If 1) charged to battery with charging current, when The continuous n times of cell voltage reach battery charging voltage controlling value under Current Temperatures, or battery current voltage value is with history voltage most When difference between big value is more than the maximum charge time less than maximum voltage difference when charging, or charging interval, now control Battery enters the first stable state, and wherein N is positive integer;If 2) discharged battery with discharge current, cell voltage is less than most Low normal working voltage threshold value, now controls battery to enter the first stable state, 6. when battery is in the first stable state, judges battery Whether the third time discharge period is more than 30 minutes:If so, then show that battery performance is unsatisfactory for requiring, ALM.
Single-chip microcomputer is STC89 series monolithics.Battery is with discharge current discharge condition and battery with charging current for charging shape Switching between state has to pass through the first stable state.Battery is Ni-Cr battery.
Minimum normal working voltage threshold value described in step 1 is 6.75V;Time of the battery between charge and discharge process Interval 15 minutes;The maximum charge time is 12 hours;Charging current is 0.05C, and wherein C is the electricity of battery;Discharge current is 0.1C, wherein C are the electricity of battery;Terminal went up the electricity maximum operating time for 48 hours for the first time;Terminal maximum stream time It is 60 days;New battery maximum stream time is 48 hours;Maximum voltage difference during charging is -20mV.
Maximum voltage difference during charging described in step 1, be battery current voltage value and history magnitude of voltage in most The difference of big value;The history magnitude of voltage that history magnitude of voltage is recorded after adding up to charge 10 hours for battery.
Operation principle of the invention is:Modules function in system is as follows:
Charging current detection module:For detecting the electric current live signal in battery charging process;
Charging voltage detection module:For detecting the voltage live signal in battery charging process;
Temperature detecting module:For the temperature change of real-time detection battery.
Electric power detection module:Situation is lighted for the residue in real-time detection battery.
Discharge current detection module:For detecting the electric current live signal in battery discharge procedure;
Discharge voltage detection module:For detecting the voltage live signal in battery discharge procedure;
House dog:Time for recording modules, various state changes.
Memory:The data such as record electricity, electric current, voltage.
Display screen:For visual indication each data, time parameter.
Single-chip microcomputer:For processing the signal that modules feedback is come, and it is transferred to display screen.
The specific method carried out therewith of system:1, sets the minimum normal working voltage threshold of battery according to the characteristic of battery itself It is 6.75V to be worth;Time interval of the battery between charge and discharge process 15 minutes;The maximum charge time is 12 hours;Charge Electric current is 0.05C, and wherein C is the electricity of battery;Discharge current is 0.1C, and wherein C is the electricity of battery;Terminal goes up electricity most for the first time The big working time is 48 hours;Terminal maximum stream time is 60 days;New battery maximum stream time is 48 hours; Maximum voltage difference during charging is -20mV, maximum voltage difference in current voltage value and the history magnitude of voltage of battery most The difference of big value, and the history magnitude of voltage that history magnitude of voltage is recorded after adding up to charge 12 hours for battery, therefore when charging most It is the 10 hours start recordings afterwards that charge in the case of battery is substantially without electricity, 0.05C charging currents that this value of voltage difference is greatly Magnitude of voltage maximum subtract the result of currency;2. after battery is installed, judge whether whether terminal normally access civil power, battery It is installed in place and environment temperature is in the working range of battery;3. it is straight if being unsatisfactory for according to the result of determination of step S2 It is taking alarm;Trickle charge is carried out to battery if meeting, and keeps trickle charging time more than battery in charge and discharge mistake Time interval between journey, and state by battery after the completion of trickle charge now is defined as the first stable state;4. the first stable state shape Under state, the target control state of battery is judged using following criterion:If A. Rule of judgment C meets, i.e., terminal works on power the time Be higher than 6.75V more than 48h and cell voltage, or the terminal non-power down operations time is more than 60 days, or new battery enter terminal when Between more than 48h and cell voltage be higher than 6.75V, battery is discharged with discharge current 0.1C now;If B. condition E meets, That is motor battery when on standby voltage is less than 6.75V, or new battery when entering terminal cell voltage be less than 6.75V, now filling Electric current 0.05C charges to battery;5., according to the result of determination of step 4, the target control of battery is determined using following criterion State processed:If 1) condition D meets, i.e., when being charged to battery with charging current 0.05C, reached for continuous 3 times when cell voltage Difference DELTA V between battery charging voltage controlling value under Current Temperatures, or battery current voltage value and history voltage max> 20mV, or the charging interval be more than 14.5h when, now control battery enter the first stable state;If 2) condition F meets, i.e., with the electricity that discharges When stream discharges battery, when cell voltage is less than 6.75V, battery is now controlled to enter the first stable state.6. it is in battery During the first stable state, judge the third time discharge period of battery whether more than 30 minutes:If so, then showing that battery performance is discontented with Foot requirement, ALM.In the battery capacity management method of above-mentioned power information acquisition terminal, its discharge condition and charged state Between switching have to pass through the first stable state.

Claims (7)

1. a kind of ups power electric quantity acquisition and control system, including charging current detection module, memory, charging voltage are detected Module, temperature detecting module, discharge voltage detection module and discharge current detection module, it is characterised in that the charging current Detection module and charging voltage detection module are both connected on the charging circuit between main power source and stand-by power supply, the electric discharge electricity Pressure detection module and discharge current detection module are both connected on the discharge circuit between battery and load, the temperature detection mould Block and electric quantity monitoring module are both connected on stand-by power supply, the charging current detection module, charging voltage detection module, temperature The signal transmission that detection module, electric quantity monitoring module, discharge voltage detection module and discharge current detection module will be detected House dog, memory and display are additionally provided with to single-chip microcomputer, on single-chip microcomputer.
2. a kind of ups power electric quantity acquisition according to claim 1 and control method, it is characterised in that comprising following step Suddenly:1. according to the characteristic of battery itself, set the minimum normal working voltage threshold value of battery, battery charge and discharge process it Between time interval, maximum charge time, charging current, discharge current, different temperatures under battery charging voltage controlling value, charge When maximum voltage difference, terminal go up electric maximum operating time, terminal maximum stream time and new battery most Dalian for the first time The continuous working time;2. after battery is installed, judge whether terminal normally accesses whether civil power, battery are installed in place and at environment temperature In in the working range of battery;3., according to the result of determination of step 2, trickle charge is carried out to battery, and when keeping trickle charge Between be more than time interval of the battery between charge and discharge process, and by battery after the completion of trickle charge now state definition It is the first stable state;4. under the first lower state, the target control state of battery is judged using following criterion:If A. electrician in terminal Make that the time goes up the electric maximum operating time for the first time more than terminal and cell voltage is higher than minimum normal working voltage threshold value, or terminal is not The power down operations time is maximum more than new battery continuous into the time of terminal more than terminal maximum stream time, or new battery Working time and cell voltage are higher than minimum normal working voltage threshold value, and battery is discharged with discharge current now;If B. Motor battery when on standby voltage is less than minimum normal working voltage threshold value, or new battery is less than most into cell voltage during terminal Low normal working voltage threshold value, is now charged with charging current to battery;5. according to the result of determination of step 4, using such as Lower criterion determines the target control state of battery:If 1) charged to battery with charging current, when the continuous n times of cell voltage The difference reached under Current Temperatures between battery charging voltage controlling value, or battery current voltage value and history voltage max is small In charge when maximum voltage difference, or the charging interval be more than the maximum charge time when, now control battery enter the first stable state, Wherein N is positive integer;If 2) discharged battery with discharge current, cell voltage is less than minimum normal working voltage threshold Value, now controls battery to enter the first stable state, 6. when battery is in the first stable state, when judging that the third time electric discharge of battery continues Between whether be more than 30 minutes:If so, then show that battery performance is unsatisfactory for requiring, ALM.
3. a kind of ups power electric quantity acquisition according to claim 1 and control system, it is characterised in that the single-chip microcomputer It is STC89 series monolithics.
4. a kind of ups power electric quantity acquisition according to claim 2 and control system, it is characterised in that the battery with Discharge current discharge condition and battery have to pass through the first stable state with the switching between charging current for charging state.
5. a kind of ups power electric quantity acquisition according to claim 1 and control system, it is characterised in that the battery is Ni-Cr battery.
6. a kind of ups power electric quantity acquisition according to claim 2 and control system, it is characterised in that step 1 institute The minimum normal working voltage threshold value stated is 6.75V;Time interval of the battery between charge and discharge process 15 minutes;It is maximum Charging interval is 12 hours;Charging current is 0.05C, and wherein C is the electricity of battery;Discharge current is 0.1C, and wherein C is battery Electricity;Terminal went up the electricity maximum operating time for 48 hours for the first time;Terminal maximum stream time is 60 days;New battery is maximum Stream time is 48 hours;Maximum voltage difference during charging is -20mV.
7. a kind of ups power electric quantity acquisition according to claim 2 and control system, it is characterised in that step 1 institute Maximum voltage difference during the charging stated, be battery current voltage value and history magnitude of voltage in maximum difference;History The history magnitude of voltage that magnitude of voltage is recorded after adding up to charge 10 hours for battery.
CN201611007201.XA 2016-11-16 2016-11-16 A kind of ups power electric quantity acquisition and control system Pending CN106786831A (en)

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CN107480031A (en) * 2017-08-28 2017-12-15 郑州云海信息技术有限公司 The method of testing and device of BBU temperature are monitored under a kind of MCS systems in real time
CN108169689A (en) * 2017-12-28 2018-06-15 北京达佳互联信息技术有限公司 terminal power detection method, system and intelligent glasses
CN108459276A (en) * 2018-04-17 2018-08-28 合肥康尔信电力系统有限公司 A kind of diesel engine type dynamic uninterruptible power supply detecting system
CN108612615A (en) * 2018-04-17 2018-10-02 合肥康尔信电力系统有限公司 A kind of diesel engine type dynamic uninterruptible power supply startup preheating device
CN110095734A (en) * 2019-03-25 2019-08-06 深圳市商宇电子科技有限公司 A kind of UPS automatization test system
CN111443791A (en) * 2020-03-24 2020-07-24 深信服科技股份有限公司 UPS monitoring method, equipment, storage medium and device based on cloud platform

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CN105576779A (en) * 2016-03-21 2016-05-11 宁波市北仑海伯精密机械制造有限公司 Intelligent power cell and equalization method thereof
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Publication number Priority date Publication date Assignee Title
CN107480031A (en) * 2017-08-28 2017-12-15 郑州云海信息技术有限公司 The method of testing and device of BBU temperature are monitored under a kind of MCS systems in real time
CN108169689A (en) * 2017-12-28 2018-06-15 北京达佳互联信息技术有限公司 terminal power detection method, system and intelligent glasses
CN108459276A (en) * 2018-04-17 2018-08-28 合肥康尔信电力系统有限公司 A kind of diesel engine type dynamic uninterruptible power supply detecting system
CN108612615A (en) * 2018-04-17 2018-10-02 合肥康尔信电力系统有限公司 A kind of diesel engine type dynamic uninterruptible power supply startup preheating device
CN108612615B (en) * 2018-04-17 2020-06-16 合肥康尔信电力系统有限公司 Diesel engine type dynamic uninterrupted power supply starting preheating device
CN110095734A (en) * 2019-03-25 2019-08-06 深圳市商宇电子科技有限公司 A kind of UPS automatization test system
CN111443791A (en) * 2020-03-24 2020-07-24 深信服科技股份有限公司 UPS monitoring method, equipment, storage medium and device based on cloud platform

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