CN102647019A - DC (Direct Current) operational power supply for intelligent distributed distribution network - Google Patents
DC (Direct Current) operational power supply for intelligent distributed distribution network Download PDFInfo
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- CN102647019A CN102647019A CN2012101142176A CN201210114217A CN102647019A CN 102647019 A CN102647019 A CN 102647019A CN 2012101142176 A CN2012101142176 A CN 2012101142176A CN 201210114217 A CN201210114217 A CN 201210114217A CN 102647019 A CN102647019 A CN 102647019A
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Abstract
The invention provides a DC (Direct Current) operational power supply for an intelligent distributed distribution network, and the DC operational power supply comprises a storage battery, a power conversion module and an MCU (Micro-programmed Control Unit) embedded controller connected with the power conversion module. The power conversion module is connected with the storage battery and is used for converting the alternating current mains supply into two DC circuits. The MCU embedded controller is respectively connected with an internal resistance online monitoring module, an internet communication module and an on-site monitoring module; the internal resistance online monitoring module is used for collecting the internal resistance, the temperature and the terminal voltage of the storage battery; the internet communication module uploads the parameters to a remote personal computer; and the on-site monitoring module provides a human-machine operation interface and realizes the function of monitoring the parameters on site. The internal resistance online monitoring module is connected with the storage battery; the MCU embedded controller controls the power conversion module, the internal resistance online monitoring module, the internet communication module and the on-site monitoring module and conducts data analysis and processing. With the DC operational power supply for the intelligent distributed distribution network, remote networked management is realized; the reliability and the maintenance efficiency of the DC operational power supply are improved; and the DC operational power supply can operate under high temperature for a long time and is long in service life.
Description
[technical field]
The present invention relates to field of power supplies, particularly a kind of intelligent distributed distribution direct current operative power source.
[background technology]
Along with the development of urban power distribution network, open and close the basic power distribution network of doing with 10kV ring main unit, 10KV, in urban distribution network, bringing into play increasing effect, the reliability of power distribution network directly affects the development of urban construction.Requirement to power supply reliability is high more, and the requirement of configuring direct current operating power is also high more.Yet switching station, ring main unit etc. is in outdoor or remote place mostly, or even basement, its work under bad environment, and the networking difficulty has strengthened maintenance difficulties.The supply power mode of the direct current operative power source of occasion such as switching station, ring main unit mainly contains backup battery power supply and PT power supply or electric main power supply.Backup battery is as after exchanging dead electricity, the guarantee of direct current operative power source uninterrupted power supply, and its reliability is of crucial importance.
Existing direct current operative power source great majority are direct current cabinet, because direct current cabinet is the concentration supply power mode, so its volume is big, and the number of batteries of outfit is many, and cost is high, cause greatly inconvenience to Installation and Debugging and maintenance.Simultaneously; Adopt the direct current operative power source of direct current cabinet not possess the function that detects the backup battery internal resistance basically; Therefore can not find the problem that backup battery is potential timely and effectively; The reliability of power-supply system in case losing efficacy, power-supply system will cause large-scale fault to take place, to such an extent as to can not get ensureing that fail safe is not high.If the independent backup battery on-line detecting system of installing, its cost is higher.
Along with the development of town and country intelligent grid, engender that various distributed DC operating powers are applied in the direct current supply occasion of power distribution network terminal equipment.As a kind of preliminary developing stage of novel device, its function and index are also imperfect, the short distance monitoring function that mainly possesses the input of input of exchanging and backup battery direct current, direct current output power supply and adopt the RS485 industrial communication; The about hundreds of rice of its effective communication distance; Can only realize to realize the Internet remote monitoring, need manual regular to check the capacity of test backup battery at a distance from building, compartment monitoring; Can't in time find the hidden danger of storage battery; Reliability is low, and maintenance efficiency is low, and the manual maintenance cost is high.Owing to do not possess backup battery intelligent management and fiber cluster, GPRS network savvy, can't realize informationization, automation, interactive telecommunication network management.Existing switching station, ring main unit break down in high temperature, high humility occasion easily simultaneously, and the life-span is short.
[summary of the invention]
The technical problem that the present invention will solve; Be to provide a kind of intelligent distributed distribution direct current operative power source with internet communication function, accumulator internal resistance on-line monitoring function; Realize informationization, automation, interactive telecommunication network management, improved the reliability and the maintenance efficiency of direct current operative power source, the reduction maintenance cost; And can be in long-time running under the hot environment, long service life.
The present invention is achieved in that
A kind of intelligent distributed distribution direct current operative power source; Comprise a storage battery; Said storage battery is power supply in support; When said direct current operative power source exchanges dead electricity is that load provides continual DC power supply, a power conversion module that links to each other with said storage battery, and said power conversion module connects a MCU embedded controller; Said MCU embedded controller connects an internal resistance on-line monitoring module, an internet communication module and an on-site supervision module respectively, and said internal resistance on-line monitoring module connects said storage battery;
Said power conversion module is transformed into the two-way direct current with electric main, and one the tunnel carries out floating charge and all fills storage battery, and another output DC source, road is for load provides operating power; When said direct current operative power source exchanged dead electricity, the power conversion module was transformed to the out-put supply of said direct current operative power source with said storage battery, for load provides continual DC power supply;
Said internal resistance on-line monitoring module is gathered temperature, the terminal voltage of storage battery, the ambient temperature of storage battery; And responsible on-line testing accumulator internal resistance; Said internal resistance on-line monitoring module is with battery temp, battery temp, the ambient temperature of gathering, and the test result of accumulator internal resistance is transferred to said MCU embedded controller;
Said MCU embedded controller is coordinated the operation of said direct current operative power source, control power conversion module, internal resistance on-line monitoring module, internet communication module and on-site supervision module, and carry out the data analysis and the processing of each module;
Said internet communication module; The parameters that the MCU embedded controller is transmitted is uploaded to remote personal computer through the Internet, and said personal computer is through installing the said parameters of corresponding background software monitors and said direct current operative power source being controlled; Said parameters comprises output voltage, the output current of said power conversion module, ambient temperature, battery temp, accumulator internal resistance;
Said on-site supervision module provides man machine operation interface, the said parameters of on-site supervision, control on-line testing accumulator internal resistance.
Further, said MCU embedded controller is realized the automatic protection of power converting circuit, and said automatic protection comprises that overvoltage is protected automatically, overcurrent is protected automatically.
Further, said internet communication module comprises GPRS wireless communication module and EPA module, and said GPRS wireless communication module and EPA module insert the Internet with said direct current operative power source through wired or wireless mode.
Further, the man machine operation interface that provides of said on-site supervision module is the touch-screen man machine operation interface.
Further, the high power device of said direct current operative power source all links to each other with the housing of said direct current operative power source through the insulating heat-conductive film.
Further; Said direct current operative power source also comprises a fan, and said fan links to each other with said MCU embedded controller, and the temperature upper limit of fan and the lowest temperature value of fan stall are set; When the ambient temperature of said switching station or ring main unit is higher than said temperature upper limit; MCU embedded controller controls starting fan work, when the ambient temperature of said switching station or ring main unit was lower than said lowest temperature value, MCU embedded controller controls fan quit work.
Further; Said power conversion module comprises AC/DC circuit, the DC/DC circuit that links to each other with said AC/DC circuit, the storage battery charge control circuit that links to each other with said storage battery; Said AC/DC circuit and storage battery charge control circuit all are connected to electric main; Said DC/DC circuit connects said storage battery through a diode, and said DC/DC circuit connects the load of said direct current operative power source.
Further, said MCU embedded controller is specially the control of said power conversion module, internal resistance on-line monitoring module, internet communication module and on-site supervision module:
Said MCU embedded controller is gathered output voltage, the current signal of said power converting circuit, with the output of the control mode of analog signal control power converting circuit, realizes the stable output of power converting circuit and protection automatically;
The said internal resistance on-line monitoring of said MCU embedded controller controls module is gathered the temperature and the terminal voltage of storage battery, and image data is analyzed, the capacity and the life-span of prediction storage battery; Regularly detect accumulator internal resistance, said sense cycle is set according to user's needs;
The said internet communication module of said MCU embedded controller controls is carried out the control that remote personal computer was uploaded and accepted to teledata, realizes network management;
Said MCU embedded controller sends to said on-site supervision module with said parameters, and accepts the operational order that said on-site supervision module is sent.
Further, said on-site supervision module also comprises a warning device, when said parameters surpasses the alarm threshold value of this parameters, sends alarm.
The present invention has following advantage: the present invention gathers temperature, the terminal voltage of storage battery, the ambient temperature of storage battery through said internal resistance on-line monitoring module; And on-line testing accumulator internal resistance; The reliability and the maintenance efficiency of direct current operative power source have been improved; Reduce maintenance cost, realize informationization, automation, interactive telecommunication network management through internet communication module, through high power device is linked to each other with the housing of direct current operative power source; And the operating state through MCU embedded controller controls fan, thereby this equipment of making can opened long-time running under the environment of high temperature.
[description of drawings]
Combine embodiment that the present invention is further described with reference to the accompanying drawings.
Fig. 1 is a structural representation of the present invention.
[embodiment]
As shown in Figure 1; A kind of intelligent distributed distribution direct current operative power source; Comprise a storage battery 1, a power conversion module 2 that links to each other with said storage battery 1, said power conversion module 2 connects a MCU embedded controller 3; Said MCU embedded controller 3 connects an internal resistance on-line monitoring module 4, an internet communication module 5 and an on-site supervision module 6 respectively, and said internal resistance on-line monitoring module 4 connects said storage battery 1.
Said storage battery 1 is power supply in support, when said direct current operative power source exchanges dead electricity, is that load provides continual DC power supply;
Said power conversion module 2 is transformed into the two-way direct current with electric main, and one the tunnel carries out floating charge and all fills storage battery 1, and another output DC source, road is for load provides operating power; When said direct current operative power source exchanged dead electricity, the power conversion module was transformed to the out-put supply of said direct current operative power source with said storage battery 1, for load provides continual DC power supply; Particularly; Said power conversion module 2 comprises AC/DC circuit 21, the DC/DC circuit 22 that links to each other with said AC/DC circuit 21, the storage battery charge control circuit 23 that links to each other with said storage battery 1; Said AC/DC circuit 21 all is connected to electric main with storage battery charge control circuit 23; Said DC/DC circuit 22 connects said storage battery 1 through a diode 24, and said DC/DC circuit 22 connects the load of said direct current operative power source.
Temperature, the terminal voltage of storage battery, ambient temperature that said internal resistance on-line monitoring module 4 is gathered storage battery 1; And responsible on-line testing accumulator internal resistance; Said internal resistance on-line monitoring module 4 is with battery temp, battery temp, the ambient temperature of gathering, and the test result of accumulator internal resistance is transferred to said MCU embedded controller 3;
Said MCU embedded controller 3 is coordinated the operation of said direct current operative power source, control power conversion module 2, internal resistance on-line monitoring module 4, internet communication module 5 and on-site supervision module 6, go forward side by side line data analysis and processing; Be specially:
Said MCU embedded controller 3 is gathered output voltage, the current signal of said power converting circuit 2, and the output with the control mode control power converting circuit 2 of analog signal realizes the stable output of power converting circuit 2 and protection automatically; Said automatic protection comprises that overvoltage is protected automatically, overcurrent is protected automatically;
Said MCU embedded controller 3 is controlled temperature and the terminal voltage that said internal resistance on-line monitoring module 4 is gathered storage batterys 1, and image data is analyzed the capacity and the life-span of prediction storage battery 1; Regularly detect storage battery 1 internal resistance, said sense cycle is set according to user's needs;
The said internet communication module 5 of said MCU embedded controller 3 controls is carried out teledata and is uploaded, and accepts the control of remote personal computer, realizes network management;
Said MCU embedded controller sends to said on-site supervision module with said parameters, and accepts the operational order that said on-site supervision module is sent.
Said internet communication module 5; The parameters that MCU embedded controller 3 is transmitted is uploaded to remote personal computer (not shown) through the Internet; Said personal computer is through installing the said parameters of corresponding background software monitors and said direct current operative power source being controlled, and said parameters comprises output voltage, the output current of said power conversion module, ambient temperature; Battery temp, accumulator internal resistance; Said internet communication module 5 comprises GPRS wireless communication module 51 and EPA module 52, and said GPRS wireless communication module 51 inserts the Internet with said direct current operative power source through wired or wireless mode with EPA module 52.
Said on-site supervision module 6 provides man machine operation interface, monitors said parameters, control on-line testing accumulator internal resistance.Preferably, the man machine operation interface that provides of said on-site supervision module 6 is the touch-screen man machine operation interface.Said on-site supervision module also comprises a warning device, when said parameters surpasses the alarm threshold value of this parameters, sends alarm.Operating personnel can be known the numerical value of parameters intuitively through said man machine operation interface, and can be provided with the on-line testing accumulator internal resistance test period, the threshold value of parameters is set.Said on-site supervision module 6 can be communicated by letter with said MCU embedded controller 3 through the RS485 interface.
Need to prove that direct current operative power source of the present invention is a separate equipment, is installed in the ring main unit.The high power device of direct current operative power source of the present invention (not shown) all adopts the insulating heat-conductive film to be connected with the housing of said direct current operative power source, not only guarantees electric insulation but also have better radiating effect.In the present embodiment; Said direct current operative power source also is provided with a fan 7, and said fan 7 links to each other with said MCU embedded controller 3, and the temperature upper limit of fan 7 and the lowest temperature value of fan stall are set; When the ambient temperature of said switching station or ring main unit is higher than said temperature upper limit; The 7 startup work of MCU embedded controller 3 control fans, when the ambient temperature of said switching station or ring main unit was lower than said lowest temperature value, MCU embedded controller 3 control fans 7 quit work; Improved the radiating effect of switching station or ring main unit; Improved the ability that switching station or ring main unit adapt to hot environment, and reduced machine loss, thereby this equipment of making can long-time running under the hot environment of switching station or ring main unit.
Though more than described embodiment of the present invention; But the technical staff who is familiar with the present technique field is to be understood that; We described concrete embodiment is illustrative; Rather than being used for qualification to scope of the present invention, those of ordinary skill in the art are in the modification and the variation of the equivalence of doing according to spirit of the present invention, all should be encompassed in the scope that claim of the present invention protects.
Claims (9)
1. intelligent distributed distribution direct current operative power source; Comprise a storage battery; Said storage battery is power supply in support; When said direct current operative power source exchanges dead electricity is that load provides continual DC power supply, and it is characterized in that: also comprise a power conversion module that links to each other with said storage battery, said power conversion module connects a MCU embedded controller; Said MCU embedded controller connects an internal resistance on-line monitoring module, an internet communication module and an on-site supervision module respectively, and said internal resistance on-line monitoring module connects said storage battery;
Said power conversion module is transformed into the two-way direct current with electric main, and one the tunnel carries out floating charge and all fills storage battery, and another output DC source, road is for load provides operating power; When said direct current operative power source exchanged dead electricity, the power conversion module was transformed to the out-put supply of said direct current operative power source with said storage battery, for load provides continual DC power supply;
Said internal resistance on-line monitoring module is gathered temperature, the terminal voltage of storage battery, the ambient temperature of storage battery; And responsible on-line testing accumulator internal resistance; Said internal resistance on-line monitoring module is with battery temp, battery temp, the ambient temperature of gathering, and the test result of accumulator internal resistance is transferred to said MCU embedded controller;
Said MCU embedded controller is coordinated the operation of said direct current operative power source, control power conversion module, internal resistance on-line monitoring module, internet communication module and on-site supervision module, and carry out the data analysis and the processing of each module;
Said internet communication module; The parameters that the MCU embedded controller is transmitted is uploaded to remote personal computer through the Internet, and said personal computer is through installing the said parameters of corresponding background software monitors and said direct current operative power source being controlled; Said parameters comprises output voltage, the output current of said power conversion module, ambient temperature, battery temp, accumulator internal resistance;
Said on-site supervision module provides man machine operation interface, the said parameters of on-site supervision, control on-line testing accumulator internal resistance.
2. intelligent distributed distribution direct current operative power source according to claim 1 is characterized in that: said MCU embedded controller is realized the automatic protection of power converting circuit, and said automatic protection comprises that overvoltage is protected automatically, overcurrent is protected automatically.
3. intelligent distributed distribution direct current operative power source according to claim 1; It is characterized in that: said internet communication module comprises GPRS wireless communication module and EPA module, and said GPRS wireless communication module and EPA module insert the Internet with said direct current operative power source through wired or wireless mode.
4. intelligent distributed distribution direct current operative power source according to claim 1 is characterized in that: the man machine operation interface that said on-site supervision module provides is the touch-screen man machine operation interface.
5. intelligent distributed distribution direct current operative power source according to claim 1 is characterized in that: the high power device of said direct current operative power source all links to each other with the housing of said direct current operative power source through the insulating heat-conductive film.
6. intelligent distributed distribution direct current operative power source according to claim 1; It is characterized in that: said direct current operative power source also comprises a fan; Said fan links to each other with said MCU embedded controller; The temperature upper limit of fan and the lowest temperature value of fan stall are set, when the ambient temperature of said switching station or ring main unit is higher than said temperature upper limit, the work of MCU embedded controller controls starting fan; When the ambient temperature of said switching station or ring main unit was lower than said lowest temperature value, MCU embedded controller controls fan quit work.
7. intelligent distributed distribution direct current operative power source according to claim 1; It is characterized in that: said power conversion module comprises AC/DC circuit, the DC/DC circuit that links to each other with said AC/DC circuit, the storage battery charge control circuit that links to each other with said storage battery; Said AC/DC circuit and storage battery charge control circuit all are connected to electric main; Said DC/DC circuit connects said storage battery through a diode, and said DC/DC circuit connects the load of said direct current operative power source.
8. intelligent distributed distribution direct current operative power source according to claim 1 is characterized in that: said MCU embedded controller is specially the control of said power conversion module, internal resistance on-line monitoring module, internet communication module and on-site supervision module:
Said MCU embedded controller is gathered output voltage, the current signal of said power converting circuit, with the output of the control mode of analog signal control power converting circuit, realizes the stable output of power converting circuit and protection automatically;
The said internal resistance on-line monitoring of said MCU embedded controller controls module is gathered the temperature and the terminal voltage of storage battery, and image data is analyzed, the capacity and the life-span of prediction storage battery; Regularly detect accumulator internal resistance, said sense cycle is set according to user's needs;
The said internet communication module of said MCU embedded controller controls is carried out the control that remote personal computer was uploaded and accepted to teledata, realizes network management;
Said MCU embedded controller sends to said on-site supervision module with said parameters, and accepts the operational order that said on-site supervision module is sent.
9. intelligent distributed distribution direct current operative power source according to claim 1 is characterized in that: said on-site supervision module also comprises a warning device, when said parameters surpasses the alarm threshold value of this parameters, sends alarm.
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| CN103064027A (en) * | 2012-11-12 | 2013-04-24 | 陕西省电力公司检修公司 | On-line monitoring and maintaining system for 750-volt wireless intelligent storage battery |
| CN103855776A (en) * | 2014-03-31 | 2014-06-11 | 东莞中山大学研究院 | Equalization charging system applied to automobile power battery |
| CN104297697A (en) * | 2014-11-11 | 2015-01-21 | 国家电网公司 | Distribution network power supply system for realizing online detection of inner resistance of batteries |
| CN106253460A (en) * | 2016-08-17 | 2016-12-21 | 深圳市佰特瑞储能系统有限公司 | A kind of device and method of the prolonging service life of battery for machine room scene |
| CN107843849A (en) * | 2017-12-05 | 2018-03-27 | 成都滕达科技有限公司 | A kind of remote supervisory device of direct-flow storage battery |
| WO2018107412A1 (en) * | 2016-12-15 | 2018-06-21 | 万喻 | Low-radiation uninterruptible power supply |
| CN109061522A (en) * | 2018-09-03 | 2018-12-21 | 北京电子工程总体研究所 | A kind of system and method for power-supply device self -support |
| CN109188313A (en) * | 2018-11-17 | 2019-01-11 | 邓亚军 | A kind of power detector of rank time variant voltage acquisition principle |
| CN110350628A (en) * | 2019-07-30 | 2019-10-18 | 中国联合网络通信集团有限公司 | Battery charging guard method, apparatus and system |
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Cited By (15)
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| CN103064027B (en) * | 2012-11-12 | 2015-07-29 | 陕西省电力公司检修公司 | A kind of 750KV intelligent wireless accumulator on-line monitoring and maintenance system |
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| CN103855776A (en) * | 2014-03-31 | 2014-06-11 | 东莞中山大学研究院 | Equalization charging system applied to automobile power battery |
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| CN106253460B (en) * | 2016-08-17 | 2019-07-02 | 深圳市佰特瑞储能系统有限公司 | A kind of device and method of the prolonging service life of battery for computer room scene |
| CN106253460A (en) * | 2016-08-17 | 2016-12-21 | 深圳市佰特瑞储能系统有限公司 | A kind of device and method of the prolonging service life of battery for machine room scene |
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| US11349329B2 (en) | 2016-12-15 | 2022-05-31 | Yu Wan | Low-radiation uninterruptible power supply |
| CN110249499A (en) * | 2016-12-15 | 2019-09-17 | 万喻 | Low emissivity uninterruptible power supply |
| CN107843849A (en) * | 2017-12-05 | 2018-03-27 | 成都滕达科技有限公司 | A kind of remote supervisory device of direct-flow storage battery |
| CN109061522A (en) * | 2018-09-03 | 2018-12-21 | 北京电子工程总体研究所 | A kind of system and method for power-supply device self -support |
| CN109188313A (en) * | 2018-11-17 | 2019-01-11 | 邓亚军 | A kind of power detector of rank time variant voltage acquisition principle |
| CN109188313B (en) * | 2018-11-17 | 2024-03-19 | 邓亚军 | Power supply detection device based on step-to-step voltage acquisition principle |
| CN110350628A (en) * | 2019-07-30 | 2019-10-18 | 中国联合网络通信集团有限公司 | Battery charging guard method, apparatus and system |
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Application publication date: 20120822 |