CN104505869A - Controllable comprehensive discharge instrument of storage battery - Google Patents
Controllable comprehensive discharge instrument of storage battery Download PDFInfo
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- CN104505869A CN104505869A CN201410672188.4A CN201410672188A CN104505869A CN 104505869 A CN104505869 A CN 104505869A CN 201410672188 A CN201410672188 A CN 201410672188A CN 104505869 A CN104505869 A CN 104505869A
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Abstract
The invention discloses a controllable comprehensive discharge instrument of a storage battery. A plurality of discharge modules are combined with each other in an overlapping manner. An output end of a sensor arranged in the storage battery is connected with an input end of a monitoring module. A control end of the discharge modules combined together in an overlapping manner is connected with the input end of the monitoring module. One output end of the monitoring module is connected with an exchanger while other output end of the monitoring module is connected with a liquid crystal display. An output end of the monitoring module is connected with a remote center monitoring host and a background machine through the exchanger. An output end of the discharge modules combined together in an overlapping manner is connected with a discharge port of the storage battery.
Description
Technical field
The present invention relates to the comprehensive discharge instrument of a kind of controllable type storage battery.
Background technology
Storage battery is as the stand-by power supply of direct current system, and in the secondary electric equipment being always widely used in transformer station and communication power supply, whether batteries is run normal, and particularly can relay protection device reliability service to be related to electric equipment.2, when mains supply is normal, terminal voltage and the charger voltage of the battery pack of uninterruptible power system are in parallel, therefore we can not find the fault of battery pack or Individual cells when Alternating Current Power Supply, in order to effectively and exactly understand accumulator property and health status, we must regularly check the storage battery property checked discharge and recharge test, to detect battery capacity, even if find out fail battery and change.3, in the domestic and international discharge equipment produced now and use, overwhelming majority employing pulse-width modulation (PWM) mode realizes current constant control.Product as Ah Ball Corp. of the U.S., Hangzhou Gao Te electronics corporation all adopts relay circuit and pulse-width modulation circuit, part fixed resistance value resistance is dropped into by Single-chip Controlling according to amount of capacity, tracking sampling is carried out by pulse-width modulation constant current circuit, compensate the electric current of change, this method is applied in Large Copacity discharge loop repeat circuit quantity and gets more and more, and along with capacity, to increase its constant current accuracy lower, is not therefore suitable for heavy-current discharge, at present all at below 20A.In control mode, all adopt single-chip microcomputer control technology.Memory data output and storage mode and disposal ability there is limitation, the requirement of following networking monitoring can not be adapted to.Another type adopts inverting to deliver to electrical network by counter for the electric energy of inversion.As the product of Shaanxi Ke Lan company, Hefei sunlight power supply, this series products is subject to several factors restriction in using, can cause the pollution of electrical network, power department does not advocate employing.Moreover it is loaded down with trivial details to solve high power contravariant technology, cost is higher, is also only useful in Small And Medium Capacity system.
Summary of the invention
The invention provides the comprehensive discharge instrument of a kind of controllable type storage battery, it not only can improve constant current accuracy, reduces ripple, and control mode is flexible, discharges more convenient.
Present invention employs following technical scheme: the comprehensive discharge instrument of a kind of controllable type storage battery, it comprises some discharge modules, monitoring module, liquid crystal display, distant place center monitoring main frame and background computer, the described mutual stack combinations of some discharge modules, the sensor output be provided with in described batteries is connected with the input of monitoring module, control end after some discharge module stack combinations is connected with the input of monitoring module, one output of monitoring module is connected with switch, another output of monitoring module is connected with liquid crystal display, the output of monitoring module is connected with distant place center monitoring main frame and background computer respectively by switch, output after some discharge module superpositions is connected with the electric discharge port of batteries, described monitoring module to be used in batteries that receiving sensor detects charging and discharging currents sampled value and measured value in monomer battery voltage sampled value and measured value and discharge module and above-mentioned voltage sample value and measured value and current sampling data and measured value is transported to distant place center monitoring main frame and background computer, distant place center monitoring main frame and background computer are used for receiver voltage sampled value and measured value and current sampling data and measured value and set up accumulator parameter database, thus the data solved between discharge module and monitoring module and distant place center monitoring main frame and background computer and information exchange, discharge data is processed and analyzes the quality of storage battery.
Described distant place center monitoring main frame and background computer are all set to industrial control computer.Described industrial control computer adopts IBMPC586 Industrial Control Computer.The control end of described described discharge module is connected with hysteresis comparator, and hysteresis comparator realizes the current type PWM modulation of discharge module.Described discharge module is set to the FD1000 discharge module of electric power system.Described monitoring module is
aFPM3-2AV2 road alternating voltage monitoring module.communication is carried out by RS485 port, the output of monitoring module and adopt RS232 port to carry out communication between distant place center monitoring main frame and background computer between described discharge module and monitoring module.Automatic trip switch is provided with between output after described discharge module superposition and the electric discharge port of batteries.
The present invention has following beneficial effect: have employed above technical scheme, present invention employs the mutual stack combinations of some discharge modules, the electric discharge of large-capacity battery can be solved like this, the present invention is provided with monitoring module, so just can control some discharge modules, monomer module autonomous equalizing current, be operated in equal state, carry identical electric current, realize the combination in any of discharge capacity, thus the transformer station of different capabilities and the demand of communication station in adaptive system.Constant current accuracy of the present invention is high, ripple is little, control mode is flexible, electric discharge work is convenient, in discharge process, once storage battery is abnormal, can discharges by Quick stop, guarantees that direct current system is normally run.Supervising device of the present invention have employed Industrial Control Computer, possesses the ability of the various data of high speed processing, and memory data output is large, and analytic function is strong, and can realize the networking monitoring of storage battery, solves the Address Recognition to each module and soft start or stop; Control module current-sharing; Solve cell voltage and battery parameter sampling and measure; The controlled discharge DATA REASONING of discharge cell is preserved, the setting of discharge parameter, accident alarm and preservation, information exchange with discharge cell and background computer; The technical problems such as all batteries nets management, adopt discharge module superposition, thoroughly solve the battery discharging problem of all size, capacity, have very strong vitality, are generally applicable to the discharge and recharge test of various types of transformer stations batteries.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
In FIG, the invention provides the comprehensive discharge instrument of a kind of controllable type storage battery, it comprises some discharge modules, monitoring module, liquid crystal display, distant place center monitoring main frame and background computer, distant place center monitoring main frame and background computer are all set to industrial control computer, industrial control computer adopts IBMPC586 Industrial Control Computer, the control end of described discharge module is connected with hysteresis comparator, and hysteresis comparator realizes the current type PWM modulation of discharge module, and monitoring module is
aFPM3-2AV2 road alternating voltage monitoring module,discharge module is set to the FD1000 discharge module of electric power system, the described mutual stack combinations of some discharge modules, the present embodiment is by 20 mutual stack combinations of discharge module, the sensor output be provided with in described batteries is connected with the input of monitoring module, control end after some discharge module stack combinations is connected with the input of monitoring module, one output of monitoring module is connected with switch, another output of monitoring module is connected with liquid crystal display, the output of monitoring module is connected with distant place center monitoring main frame and background computer respectively by switch, output after some discharge module superpositions is connected with the electric discharge port of batteries, described monitoring module to be used in batteries that receiving sensor detects charging and discharging currents sampled value and measured value in monomer battery voltage sampled value and measured value and discharge module and above-mentioned voltage sample value and measured value and current sampling data and measured value is transported to distant place center monitoring main frame and background computer, distant place center monitoring main frame and background computer are used for receiver voltage sampled value and measured value and current sampling data and measured value and set up accumulator parameter database, thus the data solved between discharge module and monitoring module and distant place center monitoring main frame and background computer and information exchange, discharge data is processed and analyzes the quality of storage battery, communication is carried out by RS485 port between described discharge module and monitoring module, the output of monitoring module and adopt RS232 port to carry out communication between distant place center monitoring main frame and background computer, automatic trip switch is provided with between output after described discharge module superposition and the electric discharge port of batteries.
The present invention adopts discharge module stacked system to solve large-capacity battery electric discharge problem, its dominant Design thought can control 20 discharge modules under monitoring unit controls, single discharge module autonomous equalizing current, be operated in equal state, carry identical electric current, achieve discharge capacity combination in any, with the demand of the transformer station of different capabilities in adaptive system and communication station.This device constant current accuracy is high, ripple is little, control mode is flexible, electric discharge work is convenient.In discharge process, once storage battery is abnormal, can discharges by Quick stop, guarantee that direct current system is normally run.Distant place center monitoring main frame and background computer have employed industrial control computer, and industrial control computer possesses the ability of the various data of high speed processing, and memory data output is large, and analytic function is strong, and can realize the networking monitoring of storage battery.Employing discharge module superposes, and thoroughly solves the battery discharging problem of all size, capacity, has very strong vitality, is generally applicable to the discharge and recharge test of various types of transformer stations batteries.High accuracy of the present invention, low ripple, shock proof electric discharge constant current loop; Solve the flow equalize technology between discharge module; The technical problems such as discharge module Miniaturization Design.The monitoring unit that the present invention controls discharge module; Solve the Address Recognition to each module and soft start or stop; Control module current-sharing; Solve cell voltage and battery parameter sampling and measure; The controlled discharge DATA REASONING of discharge cell is preserved, the setting of discharge parameter, accident alarm and preservation, information exchange with discharge cell and background computer; The technical problems such as all batteries nets management.The remote control unit that this emperor's son-in-law ing controls electric discharge input switch; Install intelligentized protect IC, voltage relay and miniature air circuit breaker additional, to decline the automatic cut-out that can realize discharge loop at battery terminal voltage, the present invention sets up the database of accumulator parameter, solves data and the information exchange of discharge cell, monitoring unit, PC and other background devices; Discharge data is processed and analyzes the quality of storage battery; Provide battery discharging parameter report etc., kinetic measurement battery group capacity, carries out life prediction to batteries, and the AC-DC parameter of all remote measurements and the information network of background computer merge, and alarm signal will be sent OPEN3000 network, accomplishes real-time monitoring.
1, the core of discharge module is exactly the development of discharge module.Discharge module have employed hysteresis comparator and realizes current type PWM modulation technique; Soft switch technique; Smothing filtering technology.Make that module has shock resistance, ripple is little, precision of steady current is high, conversion efficiency is high, reliability high.The communication between monitoring unit and Address Recognition is solved on controlling.Control is convenient to control.This part can use as electronic load separately.
2, monitoring module mainly solves sampling and the measurement of the magnitude of voltage of cell and battery pack, the design etc. of the sampling of charging and discharging currents and measurement and monitoring software.Setting parameter: there is the too high warning setting value of the overvoltage of monocell and battery pack, undervoltage warning and temperature; Discharging current, discharge off time, battery cell quantity and the setting parameter such as serial number, data record time, and realize the communication with PC or center monitoring machine.Alarm logging and process: after overvoltage, undervoltage warning state appear in system, automatically can record the time, battery sequence number, warning kind etc. that occur to report to the police, and can inquire about afterwards; And automatically stop electric discharge.
3, data analysis and process software module mainly solve following point:
(1) database of battery is set up;
(2) communication software of supervising device and PC or other center monitoring machines is worked out;
(3) data processing and inversion software.Realize drawing various curve in battery discharge procedure, the quality of primitive decision battery; Formulation electric discharge form is also printable.No matter whether online this software is all can use.First make the communication protocol between discharge cell, monitoring unit, background devices according to international and relevant national standard, possess three parts and carry out communication by RS485, RS232 mouth.Formulate mutual control overflow between three unit.Control mode and controling parameters etc., formulate total technical indicator and total technical requirement, and the communication protocol of formulation should meet the world and national standard, for providing condition with other devices communicatings.
Conscientiously investigate, select up-to-date power device, driving element, heater element; The circuit utilizing hysteresis comparator to realize current type PWM modulation is carried out topology, realizes high-accuracy and constant current control; Employing smooth high frequencies filtering technique, autonomous equalizing current technology solve ripple and current-sharing paralleling problems.
After obtaining interim success, optimizing design scheme, carry out formal prototype design, discharging current is not less than 150A, and simultaneous verification monitoring unit and software section control and the correctness measured, the accuracy rate of data and information exchange and speed.The possibility of local networking.
Claims (8)
1. the comprehensive discharge instrument of controllable type storage battery, it is characterized in that it comprises some discharge modules, monitoring module, liquid crystal display, distant place center monitoring main frame and background computer, the described mutual stack combinations of some discharge modules, the sensor output be provided with in described batteries is connected with the input of monitoring module, control end after some discharge module stack combinations is connected with the input of monitoring module, one output of monitoring module is connected with switch, another output of monitoring module is connected with liquid crystal display, the output of monitoring module is connected with distant place center monitoring main frame and background computer respectively by switch, output after some discharge module superpositions is connected with the electric discharge port of batteries, described monitoring module to be used in batteries that receiving sensor detects charging and discharging currents sampled value and measured value in monomer battery voltage sampled value and measured value and discharge module and above-mentioned voltage sample value and measured value and current sampling data and measured value is transported to distant place center monitoring main frame and background computer, distant place center monitoring main frame and background computer are used for receiver voltage sampled value and measured value and current sampling data and measured value and set up accumulator parameter database, thus the data solved between discharge module and monitoring module and distant place center monitoring main frame and background computer and information exchange, discharge data is processed and analyzes the quality of storage battery.
2. the comprehensive discharge instrument of controllable type storage battery according to claim 1, is characterized in that described distant place center monitoring main frame and background computer are all set to industrial control computer.
3. the comprehensive discharge instrument of controllable type storage battery according to claim 2, is characterized in that described industrial control computer adopts IBMPC586 Industrial Control Computer.
4. the comprehensive discharge instrument of controllable type storage battery according to claim 1, is characterized in that the control end of described described discharge module is connected with hysteresis comparator, and hysteresis comparator realizes the current type PWM modulation of discharge module.
5. the comprehensive discharge instrument of controllable type storage battery according to claim 1, is characterized in that described discharge module is set to the FD1000 discharge module of electric power system.
6. the comprehensive discharge instrument of controllable type storage battery according to claim 1, is characterized in that described monitoring module is
aFPM3-2AV2 road alternating voltage monitoring module.
7.
according to claim 1the comprehensive discharge instrument of controllable type storage battery, is characterized in that carrying out communication by RS485 port between described discharge module and monitoring module, the output of monitoring module and adopt RS232 port to carry out communication between distant place center monitoring main frame and background computer.
8. the comprehensive discharge instrument of controllable type storage battery according to claim 1, is characterized in that being provided with automatic trip switch between the output after described discharge module superposition and the electric discharge port of batteries.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410672188.4A CN104505869A (en) | 2014-11-22 | 2014-11-22 | Controllable comprehensive discharge instrument of storage battery |
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| CN201410672188.4A CN104505869A (en) | 2014-11-22 | 2014-11-22 | Controllable comprehensive discharge instrument of storage battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946591A (en) * | 2019-04-16 | 2019-06-28 | 江苏健雄电气安装工程有限公司 | A kind of relay-protection tester automated detection system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1850442A2 (en) * | 2006-04-29 | 2007-10-31 | Hoppecke Technologies GmbH & Co. KG | Device for charging or discharging an electrical energy storage device |
| CN201118254Y (en) * | 2007-11-23 | 2008-09-17 | 薛剑鸿 | Large-capacity accumulator modularized discharging device |
| CN201893593U (en) * | 2010-11-24 | 2011-07-06 | 陕西瑞能电气有限责任公司 | Remote control charging and discharging system for storage battery |
-
2014
- 2014-11-22 CN CN201410672188.4A patent/CN104505869A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1850442A2 (en) * | 2006-04-29 | 2007-10-31 | Hoppecke Technologies GmbH & Co. KG | Device for charging or discharging an electrical energy storage device |
| CN201118254Y (en) * | 2007-11-23 | 2008-09-17 | 薛剑鸿 | Large-capacity accumulator modularized discharging device |
| CN201893593U (en) * | 2010-11-24 | 2011-07-06 | 陕西瑞能电气有限责任公司 | Remote control charging and discharging system for storage battery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946591A (en) * | 2019-04-16 | 2019-06-28 | 江苏健雄电气安装工程有限公司 | A kind of relay-protection tester automated detection system |
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Application publication date: 20150408 |