CN101860050B - Discharge test device for distributed full online storage battery pack - Google Patents
Discharge test device for distributed full online storage battery pack Download PDFInfo
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- CN101860050B CN101860050B CN2010101626813A CN201010162681A CN101860050B CN 101860050 B CN101860050 B CN 101860050B CN 2010101626813 A CN2010101626813 A CN 2010101626813A CN 201010162681 A CN201010162681 A CN 201010162681A CN 101860050 B CN101860050 B CN 101860050B
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Abstract
The invention provides a discharge test device for a distributed full online storage battery pack, which comprises a DC-DC host machine work power supply, a control unit, a storage battery pack online test switch, a second safety protection circuit, a storage battery pack online test switch control circuit, a safety protection circuit, an automatic current-limiting charge and equipotential connection safety control circuit, a DC-DC converter, a constant current discharge load intelligent control circuit and a discharge load circuit, wherein the safety protection circuit, the automatic current-limiting charge and equipotential connection safety control circuit are mutually connected in parallel, and the constant current discharge load intelligent control circuit and the discharge load circuit are connected in series. The invention can be used as a group or more groups or storage battery packs to carry out discharge maintenance test one by one, thereby the function of online storage battery pack to discharge the communication device load safely with energy conservation and assist the constant current discharge load intelligent control circuit to adjust the discharge load current is realized, and the invention has the advantages of intelligence, simple operation, safety and energy conservation.
Description
[technical field]
The present invention relates to power-source maintenance equipment in the communication network, particularly relates to a kind of discharge test device for distributed full online storage battery pack.
[background technology]
The communications industry has wireless base station power supply backup battery maintenance management now; Big because of the many scales of wireless base station quantity, maintenance work labour intensity high, cost is high, have a big risk, the maintenance work task is heavy; And the problem that wastes energy; Cause the maintenance work of most battery capacity discharge test to fail to implement completely, cause the actual capacity of radio communication base station backup battery group is not understood, emergency guarantee power supply duration is unclear; Often interrupt to carry out the emergency power generation dispatching management effectively because of civil power; Often cause the generation of wireless base station communication disruption accident, storage battery is scrapped in advance, and these problems are perplexing whole communications industry power-source maintenance management work person and concrete maintenance staff always.
For realizing the complete online unattended intelligent monitoring management of radio communication base station power supply backup battery group; Automatically accomplish the volume test of online accumulator cell charging and discharging by remote monitoring; In time control the data of all online battery capacities of existing network and guarantee power supply duration, reduce attendant's labour intensity, reduce the maintenance cost spending, improve network running quality and overall maintenance operating efficiency; Promote the integrated maintenance managerial skills of network security operation; Take scientific and effective maintenance management technology, prolong batteries useful life, realize that the online batteries charge/discharge capacity of the whole network detects and the automatic maintenance management of system automatically.
[summary of the invention]
The major technology problem that the present invention will solve; Be to provide a kind of complete online batteries device systems; Realize online batteries to the discharge of communication equipment load energy-saving safe with assist constant-current discharge load Based Intelligent Control to regulate the function of discharge load electric current, it has the function of intelligence, easy and simple to handle and energy-saving safe.
The present invention is achieved in that a kind of discharge test device for distributed full online storage battery pack; Comprise a DC-DC host work power supply; One control unit; One batteries on-line testing diverter switch, second safety protective circuit, a batteries on-line testing conversion control circuit; A safety protective circuit connected with each other, an automatic current limiting charging and equipotential attachment security control circuit, a DC-DC converter, and the constant-current discharge load intelligence control circuit and the discharge load circuit that are connected in series each other; Said control unit further comprises a MCU unit and a current/voltage data acquisition that all is connected with this MCU unit and conversion control circuit, batteries monomer voltage checkout equipment, data storage, telecommunication circuit again, LCD shows and the keyboard input; After the corresponding input parallel connection of the input of said batteries on-line testing diverter switch and second safety protective circuit, be connected in online batteries; And this a batteries on-line testing diverter switch wherein output is connected with the output of second safety protective circuit; Another output respectively with and safety protective circuit, automatic current limiting charging and the equipotential attachment security control circuit, DC-DC converter one end that connect, and be connected with an end of constant-current discharge load intelligence control circuit; The output of DC-DC host work power supply is connected with said constant-current discharge load intelligence control circuit, said batteries on-line testing conversion control circuit and said control unit in the said discharge test device for distributed full online storage battery pack; One of input two ends of DC-DC host work power supply end is connected with output one end of the said batteries on-line testing diverter switch parallel with one another and second safety protective circuit; The other end is connected with public power one end of said DC-DC converter, discharge load circuit; The working power two ends that promptly are connected in online communication equipment are that main frame provides the operate as normal power supply, and the input of said DC-DC host work power supply has the characteristics of forward and reverse polarity power work; Said DC-DC converter is connected with said current/voltage data acquisition and conversion control circuit and MCU unit respectively; Said MCU unit also is connected with said constant-current discharge load intelligence control circuit, automatic current limiting charging and equipotential attachment security control circuit, batteries on-line testing diverter switch, second safety protective circuit, batteries on-line testing conversion control circuit respectively; The input of DC-DC host work power supply is connected in the two ends of online communication working power in the said discharge test device for distributed full online storage battery pack, and the operate as normal power supply is provided.
Preferable; Technique scheme also comprises the forward and reverse polarity work of power supply protective circuit; The input of the forward and reverse polarity work of this power supply protective circuit is connected with output one end of said batteries on-line testing diverter switch; Output respectively with said constant-current discharge load intelligence control circuit, and DC-DC converter parallel with one another, safety protective circuit, automatic current limiting charging and equipotential attachment security control circuit are connected.Or said DC-DC converter, said constant-current discharge load intelligence control circuit all have the characteristics of forward and reverse polarity power work.
Preferable, technique scheme also comprises an AC/DC Switching Power Supply, the output of this AC/DC Switching Power Supply is connected said DC-DC host work power supply and civil power respectively with input.
Preferable; Technique scheme also comprises at least one current detection circuit; Can be a current sensor; Said each current detection circuit is coupled in this equipment and monitors each input that discharges and recharges working power of said tested batteries, detects charging, the discharging current of online batteries for discharge test device for distributed full online storage battery pack.
Preferable; Said safety protective circuit is a heavy-duty diode; Its two ends are connected in series between the DC distributor of communication storage battery group and power supply system for communications equipment, guarantee that batteries is in the state that works online safely all the time, does not influence the normal safe power supply to communication system equipment.
Preferable; Said second safety protective circuit comprises that a great power bidirectional power supply static switch pipe, a direct current contactor or appliance switch and are used to control and protect the automatic protection circuit of this great power bidirectional power supply static switch pipe and D.C. contactor or appliance switch work, and said great power bidirectional power supply static switch pipe and D.C. contactor or appliance switch are connected in parallel.
Preferable; If said batteries on-line testing diverter switch has the make-before-break function; Then said second safety protective circuit only need comprise a great power bidirectional power supply static switch pipe, be used to control and protect the automatic protection circuit of this great power bidirectional power supply static switch plumber work, and can omit D.C. contactor or appliance switch; Because of batteries on-line testing diverter switch has the make-before-break function, can all be in online power supply safety state to the handoff procedure of online charge-discharge test state of online batteries and online non-test mode, its safety protection function is constant, and reliability is more excellent.
The invention has the advantages that:
1, the design of this discharge test device for distributed full online storage battery pack and application; Voltage with online communication backup battery group two ends is the input service power supply of testing equipment; Satisfy battery discharging characteristic, related communication power supply operation maintenance norm standard and batteries maintenance test requirement, discharge examination is complete online and safeguarded the discharge energy-saving safe.
2, the design of this discharge test device for distributed full online storage battery pack system and application have online batteries to communication equipment load energy-saving safe discharging function, and on-line intelligence load constant-current discharge function.Satisfy simultaneously under the situation of online various different communication machine utilization electric currents, can realize that all the constant-current discharge volume test of online batteries is fitted.Be used for the different various communication equipment load power supply backup battery groups of existing network and carry out online constant-current discharge test.
3, discharge test device for distributed full online storage battery pack possesses discharge of online communication device energy conservation and online load discharge function, and comprehensive strong, the scope of application is extensive.
4, discharge test device for distributed full online storage battery pack has positive-negative power polarity switch selection conversion and control function; Satisfying the online constant current charge and discharge test of batteries of different positive and negative communication power supplies uses; Intelligent degree is high, and function is strong, uses flexible safety.
5, pass through seamless link technology; Be connected in series with online batteries to be tested; Guarantee that batteries is in the power supply safety presence all the time; Do not influence normal safe power supply, realize that the discharge parameter that online batteries selects an online batteries or cycle discharge to test, set with testing equipment carries out the on-line intelligence charge and discharge maintenance communication system equipment.
6, when online communication equipment actual load, when satisfying tested batteries constant-current discharge, this device systems is closed online intelligent load discharge automatically; When online communication equipment actual load does not satisfy tested batteries constant-current discharge, this device systems will be controlled online intelligent load constant-current discharge automatically, realize the online constant-current discharge volume test of tested batteries purpose.
7, accomplish after the discharge capacity test, control automatically through testing equipment by online rectifier output power supply and carry out online current-limiting charge, and accomplish the connection of equipotential safety automatically and recover online operate as normal.
8, use intelligent dummy load to carry out the off-line test contrast with tradition; Solved off-line discharge operation, power supply effectively and recovered online overall process maintenance test security hidden trouble, had energy-conservation, easy to operate and safe, online power supply safety, EOT and carry out advantages such as online charging and the connection of recovery equipotential automatically.
9,, and have energy-conservation discharge test function of batteries safety on line and online constant current intelligent load discharge test function with advanced online " batteries discharge test device " contrast.Satisfy the batteries constant-current discharge test of the various communication equipment load of existing network, practical more, and possess energy-saving safe discharge test function.
10, online detection of cell and alarm defencive function adopt wireless voltage test and management system of monomer or the wired voltage tester management system of monomer in " equipment " circuit design, safeguard that detecting operation is easy, improve system maintenance work safety.
11, the output of this complete online batteries instrumentation system has voltage stabilizing current limliting, current stabilization pressure limiting control defencive function; And output overcurrent, overvoltage protection and overvoltage shutdown defencive function, possess online discharge capacity detection of communication backup battery group and safe power supply protection characteristics.
12, this complete online batteries instrumentation system possesses attended operation, parameter is provided with simply; Characteristics such as intelligent degree is high, and defencive function is strong, this complete online battery power discharge test macro operation interface is friendly; According to the system prompt operation; Can accomplish the online battery capacity of communication and detect, and preserve data automatically, so that maintenance analysis and management;
13, the control system of this complete online battery power discharge test macro MCU unit is provided with one the tunnel and exchanges backup battery, so that consult, read, copy test data in good time, and the historical events record;
14, the control system of the MCU unit of this complete online battery power discharge test macro output has standard data interface, and USB interface and IP network interface, and is flexible and convenient to use.
[description of drawings]
Combine embodiment that the present invention is further described with reference to the accompanying drawings.
Fig. 1 is the theory structure block diagram of the embodiment one of discharge test device for distributed full online storage battery pack of the present invention.
Fig. 2 is the theory structure block diagram of the embodiment two of discharge test device for distributed full online storage battery pack of the present invention.
Fig. 3 is the theory structure block diagram of the embodiment three of discharge test device for distributed full online storage battery pack of the present invention.
Fig. 4 is embodiment one to embodiment three and-48V power supply system for communications seamless link operation chart.
Fig. 5 is embodiment one to embodiment three and-48V power supply system for communications equipment wiring schematic diagram.
Fig. 6 is embodiment two or embodiment three and+24V power supply system for communications equipment wiring schematic diagram.
Fig. 7 is that embodiment one is applied to-theory structure block diagram during the 48V power supply system for communications under the online discharge condition, wherein omits the control unit part.
Fig. 8 is that embodiment one is applied to-theory structure block diagram during the 48V power supply system for communications under the online discharge condition, wherein omits the control unit part.
Fig. 9 is that embodiment three is applied to-theory structure block diagram during the 48V power supply system for communications under the online discharge condition, wherein omits the control unit part.
Figure 10 is that embodiment three is applied to-theory structure block diagram during the 48V power supply system for communications under the online discharge condition, wherein omits the control unit part.
[embodiment]
Discharge test device for distributed full online storage battery pack of the present invention is to be applied to a kind of complete online batteries device systems, and said complete online batteries device systems also comprises a tested batteries and a communication equipment usually.This communication equipment is by the power supply power supply in support of this batteries.
Lift following 3 embodiment at present, and its operation principle is described.
Embodiment one
See also shown in Figure 1; A kind of distributed line batteries discharge test device of levying entirely comprises: a DC-DC host work power supply 1, a control unit 2, a safety protective circuit 3, an automatic current limiting charging and equipotential attachment security control circuit 4, a constant-current discharge load intelligence control circuit 5, a discharge load circuit 6, second safety protective circuit 10, a DC-DC converter 12, one batteries on-line testing diverter switches 13, a batteries on-line testing conversion control circuit 14.Said control unit 2 further comprises a MCU unit 21 and a current/voltage data acquisition that all is connected with this MCU unit 21 and conversion control circuit 22, batteries monomer voltage checkout equipment 23, data storage 24, telecommunication circuit 25 again, LCD shows and keyboard input 26;
Said safety protective circuit 3, automatic current limiting charging and equipotential attachment security control circuit 4, DC-DC converter 12 are connected with each other; Itself and the two ends that connect are respectively D+1 end and D-1 end; And the positive and negative electrode of said safety protective circuit 3 connects D+1 end and D-1 end respectively, and said constant-current discharge load intelligence control circuit 5 is connected in series with discharge load circuit 6 each other;
After the corresponding input parallel connection of the input of said batteries on-line testing diverter switch 13 and second safety protective circuit 9, be connected in online batteries; And this batteries on-line testing diverter switch 13 is an output and the output of second safety protective circuit 10 wherein, and safety protective circuit 3, automatic current limiting charging and equipotential attachment security control circuit 4, DC-DC converter 12 and the end that connects are connected;
The output of DC-DC host work power supply 1 is connected with said constant-current discharge load intelligence control circuit 5, said batteries on-line testing conversion control circuit 14 and said control unit 2 in the said equipment; One of input two ends of DC-DC host work power supply 1 ends is connected with the output of the said batteries on-line testing diverter switch 13 parallel with one another and second safety protective circuit 10, and the other end is connected with public power one end of said DC-DC converter 12, discharge load circuit 6;
Said DC-DC converter 12 is connected with said current/voltage data acquisition and conversion control circuit 22 and MCU unit 21 respectively; Said MCU unit 21 also is connected with said constant-current discharge load intelligence control circuit 5, automatic current limiting charging and equipotential attachment security control circuit 4, batteries on-line testing diverter switch 13, second safety protective circuit 10, batteries on-line testing conversion control circuit 14 respectively;
Said tested batteries is connected to parallelly connected DC-DC converter 12 by the output of batteries on-line testing diverter switch 13, and the input of constant-current discharge load intelligence control circuit 5, and complete machine operate as normal power supply is provided; The input two ends of DC-DC host work power supply 1 are connected in the power supply that works online in the said equipment, for main frame operate as normal power supply is provided.
The function of above-mentioned each circuit module is explained as follows:
Said DC-DC host work power supply 1: for said constant-current discharge load intelligence control circuit 5, batteries on-line testing conversion control circuit 14, said control unit 2 provide working power;
Said control unit 2: this circuit module is a control model with the system program directive of MCU unit 21, with control constant-current discharge load intelligence control circuit 5, automatic current limiting charging and equipotential attachment security control circuit 4, second safety protective circuit 10, DC-DC converter 12, batteries on-line testing conversion control circuit 14;
Said safety protective circuit 3: can be a heavy-duty diode; When tested batteries is carried out the on-line testing operating state; Its heavy-duty diode is connected in series between the DC distributor of communication storage battery group and power supply system for communications equipment through batteries on-line testing diverter switch 13, guarantees that tested batteries is in the power supply safety presence all the time, does not influence the normal safe power supply to communication system equipment; The negative pole of this heavy-duty diode connects the D+1 end, and positive pole connects the D-1 end;
Said automatic current limiting charging and equipotential attachment security control circuit 4: after accomplishing tested batteries discharge test end, carry out online current-limiting charge automatically, and carry out the connection of equipotential safety and recover tested batteries to online operate as normal;
Said constant-current discharge load intelligence control circuit 5:, accomplish control and test that tested batteries is carried out online dummy load constant-current discharge automatically according to the parameter that is provided with of discharge equipment system;
Said discharge load circuit 6: allow operating circuit through the discharge load electric current by the tested batteries of constant-current discharge load intelligence control circuit 5 controls;
Said second safety protective circuit 10: comprise that a great power bidirectional power supply static switch pipe, a direct current contactor and are used to control and protect the automatic protection circuit (all not shown) of this great power bidirectional power supply static switch pipe and D.C. contactor work, and said great power bidirectional power supply static switch pipe and D.C. contactor are connected in parallel.This second safety protective circuit 10 guarantees all can the uninterrupted safe power supply of real-time online in tested battery charging or the discharge test process.Simultaneously also be to accomplish to discharge and recharge one of main circuit that conversion and control is connected with the completion equipotential.
Said DC-DC converter 12: be a hf switching power supply, its output voltage, electric current is adjustable for continuously, has constant current pressure limiting, voltage stabilizing current limliting simultaneously, the automatic protection function of high reliability such as overvoltage, overcurrent, short circuit.
Said batteries on-line testing diverter switch 13: (it is that tested batteries is in complete online charge-discharge test state that tested batteries connects " on-line testing " end with switching the execution switch that places " on-line testing " or " online non-test " connection work being connected of output for the batteries that works online is carried out; It is that tested batteries is in complete online connection status that tested batteries connects " online non-test " end, does not lie in complete online charge-discharge test operating state).If said batteries on-line testing diverter switch has the make-before-break function; Then said second safety protective circuit only need comprise a great power bidirectional power supply static switch pipe, be used to control and protect the automatic protection circuit of this great power bidirectional power supply static switch plumber work, and can omit D.C. contactor or appliance switch; Because of batteries on-line testing diverter switch has the make-before-break function, can all be in online power supply safety state to the handoff procedure that online batteries is thrown on-line testing state and online non-test mode automatically into, its safety protection function is constant, and reliability is more excellent.
Said batteries on-line testing conversion control circuit 14: for the batteries that the execution of drive controlling batteries on-line testing diverter switch 13 is selected to work online is switched the crucial control circuit that places " on-line testing " or " online non-test " connection operating state.
Present embodiment can comprise that also (N specifically can dispose according to actual user's demand for an AC/DC Switching Power Supply 7,1 and N; According to communication power supply design specification multiple-connected battery group number configuration N＜4) individual current detection circuit 8; The output of this AC/DC Switching Power Supply 7 is connected said DC-DC host work power supply 1 and civil power respectively with input, in order to civil power is introduced with the interchange input power supply as host power supply; Said current detection circuit 8 can be a current sensor; Said current detection circuit 8 connects each terminals of said discharge test device for distributed full online storage battery pack, detects charging, the discharging current of online tested batteries for discharge test device for distributed full online storage battery pack.
Please again with reference to figure 1; It is easy to connect when the discharge test device for distributed full online storage battery pack of present embodiment is used; A power supply output line is drawn in the input that connects said discharge load circuit 6, DC-DC converter 12, said DC-DC host work power supply 1, have the first binding post A; Draw a power supply output line on second safety protective circuit, 10 1 contacts that again batteries on-line testing diverter switch 13 correspondences are connected in parallel; Has at least one second binding post B; Promptly with the binding post B1～BN of online batteries one end (N specifically can according to the configuration of actual user's demand, according to communication power supply design specification multiple-connected battery group number configuration N≤4); And the DC-DC converter 12 that connects, safety protective circuit 3, automatic current limiting charging and recover equipotential attachment security control protection electric circuit 4 certainly and the public point of second safety protective circuit 10,13 outputs one of batteries on-line testing diverter switch is drawn a power supply output line, have the 3rd binding post D.The positive and negative end of input service power supplys such as wherein corresponding DC-DC converter 12, DC-DC host work power supply 1, said constant-current discharge load intelligence control circuit 5 needs corresponding the connection.
Embodiment two
As shown in Figure 2; The structure and the binding post of the discharge test device for distributed full online storage battery pack of present embodiment two and the foregoing description one are basic identical; The difference of the two is: in present embodiment two, said DC-DC converter 12, DC-DC host work power supply 1, said constant-current discharge load intelligence control circuit 5 all have the characteristics of forward and reverse polarity power work.Can realize mode of operation, be applicable to the discharge maintenance test of the online batteries of communication power supply that difference is positive and negative with best safety.No matter working power is positive pole or minus earth; When this equipment carries out the on-line maintenance test; The power work earth terminal that only needs operation batteries side to connect; Avoided operation to bump the risk of ground short circuit, and had online batteries constant current pressure limiting charging and voltage stabilizing current-limiting charge maintenance function, maintenance test is used more flexible, safe and simple.
Therefore present embodiment two has two kinds of situations; The DC-DC converter 12 of these two kinds of situations, automatic current limiting charging and recover equipotential attachment security control protection electric circuit 4, safety protective circuit 3 certainly and being connected of connecing 2 wiring public terminals of output both positive and negative polarity (anodal D+1 end negative pole D-1 end) opposite, with adaptations-48V respectively and+two kinds of power supply system for communications equipment of 24V.Wherein, the anodal D+1 of first kind of situation end up, negative pole D-1 end below, the structure that it showed is identical with figure one, can consult the description among the embodiment one, refuses repetition here; The anodal D+1 end of second kind of situation below; Negative pole D-1 end up; Second kind of situation is and the negative pole common port D-1 end that connects is connected to the 3rd binding post D; And the anodal D+1 termination constant-current discharge load intelligence control circuit 5 that connects, thereby make among positive-negative polarity and Fig. 1 of the first binding post A, the second binding post B and the 3rd binding post D on the contrary, all the other are all identical.
Embodiment three
See also Fig. 3; Present embodiment three is a kind of conversion to embodiment two; It is compared with embodiment two; The difference of the two is: the discharge test device for distributed full online storage battery pack of present embodiment three also comprises the forward and reverse polarity work of power supply protective circuit 9, and the output of the forward and reverse polarity work of this power supply protective circuit 9 is with after said constant-current discharge load intelligence control circuit 5 and discharge load circuit 6 are connected in series, and the DC-DC converter 12 that is connected in parallel again, all the other structures are all identical with embodiment two.
Explain: the power supply input that is distributed in said DC-DC converter 12, constant-current discharge load intelligence control circuit 5 and DC-DC host work power supply 1 among the embodiment two all has forward and reverse polarity work protective circuit function, and embodiment three is with 2 functional modules being supplied with DC-DC converter 12, constant-current discharge load intelligence control circuit 5 by the output of the forward and reverse polarity work of power supply protective circuit 9.Therefore therefore, above-mentioned these two embodiment have identical functions, still can adapt to respectively-48V and+two kinds of power supply system for communications equipment of 24V.
Therefore present embodiment three also has two kinds of situations; The DC-DC converter 12 of these two kinds of situations, automatic current limiting charging and recover equipotential attachment security control protection electric circuit 4, safety protective circuit 3 certainly and connect 2 both positive and negative polarity wiring public terminals of output (anodal D+1 end; Negative pole D-1 end) connection is opposite, equally respectively adaptations-48V and+two kinds of power supply system for communications equipment of 24V.
Please again with reference to figure 3; It is easy to connect when the charge/discharge test device for distributed full online storage battery pack of present embodiment is used; Input one end that connects the forward and reverse polarity work of said power supply protective circuit 9, said DC-DC host work power supply 1 and the forward and reverse polarity work of power supply protective circuit 9 and the end that connects are drawn a power supply output line; Has the first binding post A; The other end with and the DC-DC converter 12 that connects, safety protective circuit 3, automatic current limiting charging and recover equipotential attachment security control protection electric circuit 4 certainly and the public point of second safety protective circuit 10,13 outputs one of batteries on-line testing diverter switch is drawn a power supply output line, have the 3rd binding post D.Draw a power supply output line on second safety protective circuit, 10 1 contacts that batteries on-line testing diverter switch 13 correspondences are connected in parallel; Has at least one second binding post B; Promptly with the binding post B1～BN of online batteries one end (N specifically can according to the configuration of actual user's demand, according to communication power supply design specification multiple-connected battery group number configuration N＜4).
Like Fig. 4 and shown in Figure 5, be the first kind of situation and-48V power supply system for communications equipment wiring schematic diagram of embodiment one and embodiment two and embodiment three.The input wires terminal that connects this discharge test device for distributed full online storage battery pack through tested batteries promptly the first binding post A (negative pole) and the second binding post B (positive pole) as the working power of battery pack on-line testing equipment.The 3rd binding post D (positive pole) of its output and the second binding post B two ends are serially connected between tested batteries and the online communication equipment work power supply, and the positive pole that the 3rd binding post D (positive pole) is connected in communication power supply device systems DC distributor compiles row.-48V power work ground is plus earth, and then the D end is connected with the D+1 end, and the D-1 end is connected with " on-line testing " end of batteries on-line testing diverter switch 13 outputs.Menu according to discharge test device for distributed full online storage battery pack MCU unit 21 is selected, the parameter setting; Automatically " on-line testing " operating state is put in the output of control batteries on-line testing diverter switch 13; And the output voltage (binding post B, D voltage) of control DC-DC converter 12; Promote online communication device works voltage, play the complete online discharge test purpose of battery pack.
As shown in Figure 5, be the first kind of situation and-48V power supply system for communications seamless link operation chart of embodiment one and embodiment two and embodiment three.
During use; Discharge test device for distributed full online storage battery pack is connected in series between the DC distributor of communication storage battery group and power supply system for communications equipment through " equipment " seamless link technology; Guarantee that batteries is in the state that works online safely all the time, does not influence the normal safe power supply to communication system equipment.The input service power supply of discharge test device for distributed full online storage battery pack is provided by tested batteries power supply.In the operating process, batteries is only torn positive battery terminal (power work ground wire) open, promptly and the positive pole of rectifier power supply power supply compile between line and be connected in series safety simple to operate.
The operating process of online seamless link technology is described below: the complete online seamless link operation of the batteries equipment of the power supply system for communications; Discharge test device for distributed full online storage battery pack is connected in series on the positive pole of online batteries (power work ground wire); Promptly and the positive pole of the power supply of rectifier, load equipment compile between line and be connected in series; The access of discharge test device for distributed full online storage battery pack should be observed the principle of " connect three earlier, then tear open ", when the battery power discharge testing equipment is accomplished test and withdrawed from service; Should observe the principle of " connect earlier, then tear three open ".See also Fig. 6; With-the tested batteries of 48V communication power supply is an example; " connect three earlier; after tear one open " be: the power supply output line L1, L2, the L3 that connect discharge test device for distributed full online storage battery pack earlier; Binding post B, A, the D that is about to this testing equipment be connected to respectively batteries positive pole (being the binding post that battery pack connects power work ground) binding post B, negative terminals or DC distributor output one along separate routes A1 and-48V communication power supply power supply positive pole compiles row GD, after tear the former electric power connection line L5 of tested batteries positive terminal open, promptly break off the sub-C1 of batteries positive terminal and compile with-48V communication power supply power supply positive pole and arrange being connected of GD; " connect one earlier; after tear three open " be: tested batteries is accomplished test; And carry out current-limiting charge automatically and withdraw from service from being dynamically connected to equipotential, should meet the former electric power connection line L5 of tested batteries positive terminal C1 earlier, after tear C1 end power line L1, A1 end power line L2 and GD end power line L3 open.
As shown in Figure 6 again, be the second kind of situation and+24V power supply system for communications equipment wiring schematic diagram of embodiment two or embodiment three.The input wires terminal that connects this discharge test device for distributed full online storage battery pack through online batteries promptly the first binding post A (positive pole) and the second binding post B (negative pole) as the working power of battery pack on-line testing equipment.The 3rd binding post D (negative pole) of its output and the second binding post B two ends are serially connected between tested batteries and the online communication equipment work power supply, and the negative pole that the 3rd binding post D (negative pole) is connected in communication power supply device systems DC distributor compiles row.+ 24V power work ground is minus earth, and then the D end is connected with the D-1 end, and the D+1 end is connected with " on-line testing " end of batteries on-line testing diverter switch 13 outputs.Menu according to discharge test device for distributed full online storage battery pack MCU unit 21 is selected, the parameter setting; Automatically " on-line testing " operating state is put in the output of control batteries on-line testing diverter switch 13; And the output voltage (binding post B, D voltage) of control DC-DC converter 12; Promote online communication device works voltage, play the complete online discharge test purpose of battery pack.
In conjunction with Fig. 7 to Fig. 8, below with-the online discharge capacity test job of 48V communication power supply backup battery group principle is an example, the application operation principle of illustrative embodiment one.
Selecting wherein now, the tested batteries I of one group-48V carries out online capacity discharge test; Tested batteries I as shown in Figure 7 carries out online discharge capacity test; This manual work, automatically or the mode of remote monitoring control; MCU unit program control output one command signal by discharge test device for distributed full online storage battery pack is passed through batteries on-line testing conversion control circuit 14 drive controlling batteries on-line testing diverter switches 13, selects a tested batteries I to carry out online discharge capacity test.This tested batteries I exports the on-line testing end to through the switching of batteries on-line testing diverter switch 13, makes tested batteries be in " on-line testing " operating state.The anodal B1 end that connects of tested batteries I is through the output of batteries on-line testing diverter switch 13; Conducting is connected to the D-1 end; And be connected in series with input power supply forward and reverse work protective circuit 9, make tested batteries I power supply to DC-DC converter 12, constant-current discharge load intelligence control circuit 5 and discharge load circuit 6 working power is provided through the forward and reverse polarity work of input power supply protective circuit.Be serially connected with the B1 port of discharge test device for distributed full online storage battery pack in this tested batteries I positive pole; Connect conducting through batteries on-line testing diverter switch 13 and connect the forward and reverse polarity work of input power supply protective circuit 9; The series arm completion of tested batteries I power supply and constant-current discharge load intelligence control circuit 5, discharge load circuit 6 (being constant-current discharge load and intelligence control system circuit) is connected in parallel; Be serially connected with the B1 port of discharge test device for distributed full online storage battery pack in this two batteries positive pole; Being connected in the D-1 end through 13 conductings of batteries on-line testing diverter switch is connected with an end of equipotential attachment security control circuit 4 with safety circuit 3,12 outputs of DC-DC converter, automatic current limiting charging connected with each other; And the other end that connects output is that the D+1 end is connected to the D end; Make the second binding post B and the 3rd binding post D of discharge test device for distributed full online storage battery pack be serially connected with tested batteries I and-48V power supply system for communications DC distributor between; Make tested batteries I be in online capacity discharge test state; Other batteries all keep the normal condition that works online; Be provided with the tested batteries I of automatic completion by the discharge test device for distributed full online storage battery pack system according to selection, function and parameter online communication equipment is carried out discharge test this moment; In addition; Tested batteries I exports " on-line testing " end to through batteries on-line testing diverter switch 13 and is connected in said constant-current discharge load intelligence control circuit 5; Make tested batteries and the said constant-current discharge load intelligence control circuit 5 that is connected in series, 6 parallel connections of discharge load circuit, when working, by this discharge test device for distributed full online storage battery pack system as the online constant-current discharge of this tested batteries I; According to tested batteries I to the size (being communication equipment load current size) of online communication equipment load discharge electric current control the operating current that constant-current discharge load intelligence control circuit 5 carries out auxiliary adjustment control discharge load 6 automatically, guarantee the online constant-current discharge of tested batteries I.
See also Fig. 7; The online capacity discharge test of tested batteries I process; According to the test parameter setting, carry out the constant-current discharge test of online capacity with I 1 electric current that discharges, the constant-current discharge electric current I of carrying out greater than tested batteries I when online communication apparatus of load electric current and the batteries floating current sum (I equipment+I floating current) that works online is discharged 1 the time; The discharge test device for distributed full online storage battery pack system controls DC-DC converter 12 automatically, with automatic steady current control output voltage U
O, improve the stable voltage U of online output
Online=U
Battery pack I+ U
0, it is online to communication equipment load constant-current discharge test job requirement to satisfy tested batteries I, forbids automatically or closes constant-current discharge load intelligence control circuit 5 and battery power discharge load circuit 6, keeps constant current to the online communication apparatus of load I that discharges
Discharge 1=I
B1=I
D+1+ I
A1=I
Discharge D+ I
Floating charge+ I
Industry control+ I
A(I
The B1 dischargeBe the input service electric current of serial connection discharge test device for distributed full online storage battery pack, I
Discharge DFor tested batteries I to communication equipment electric electric current, I
Floating FillBe other batteries floating charge operating currents that works online; I
Industry controlBe the operating current of the DC-DC host work power supply 1 in the discharge test device for distributed full online storage battery pack, this DC-DC host work power supply 1 provides the working power of relevant control unit 2; I
D+1Electric current for DC-DC converter 12 output services; I
AFor tested batteries I gives DC-DC converter 12 and constant-current discharge load intelligence control circuit 5 and battery power discharge load circuit 6 the operating current sum of input power supply is provided.At this moment, I
Constant Current Load=0.I
A=I
Constant Current Load+ I
DC-DC=I
DC-DC), online communication equipment work electric current I
Equipment=I
Rectifier+ I
PutD, at this moment, the rectifier of operate as normal or high frequency switch power output current I
RectifierLess than communication equipment loaded work piece electric current I
EquipmentUnder normal operation, its-48V rectifier or HF switch output current I
RectifierBe communication equipment loaded work piece electric current I
Load, tested batteries I discharging current I
Discharge DWith the batteries floating current I that works online
Floating chargeSum.Discharge process; The voltage of tested batteries I is along with the prolongation of discharging current and time; Tested batteries I voltage also descends thereupon; Through discharge test device for distributed full online storage battery pack automatic steady current control adjustment output voltage U O, promote the voltage that works online, make tested batteries I carry out the capacity discharge test with constant electric current.The constant-current discharge electric current I of carrying out less than tested batteries I when online communication apparatus of load electric current and the batteries floating current sum (I equipment+I floating current) that works online is discharged 1 the time; The preferential control automatically DC-DC of discharge test device for distributed full online storage battery pack system converter 12 is with automatic steady current control output voltage U
O, improve the stable voltage U of online output
Online=U
Battery pack I+ U
0Satisfy that tested batteries I is online preferentially to carry out constant current power supply to the communication equipment load; Simultaneously carry out pressure limiting current stabilization numerical value according to actual online communication apparatus of load automatically; Automatically the electric current of auxiliary constant-current discharge load intelligence control circuit 5 of control adjustment and discharge load circuit 6 keeps tested batteries I to carry out online constant-current discharge.At this moment, tested batteries I is to the auxiliary constant-current discharge load of the control of online communication apparatus of load and the discharge test device for distributed full online storage battery pack system I that discharges
Discharge 1=I
The B1 discharge=I
D+1+ I
A1=I
Discharge D+ I
Floating charge+ I
Industry control+ I
A=I
PutD+I
Floating charge+ I
Industry control+ I
Constant Current Load+ I
DC-DCI
A=I
Constant Current Load+ I
DC-DC), online communication equipment work electric current I
Equipment=I
DischargeD.At this moment, the rectifier of operate as normal or high frequency switch power output current I
RectifierLess than communication equipment loaded work piece electric current I
EquipmentWith tested batteries I discharging current I
Discharge 1, and no current output.Under normal operation, its-48V rectifier or HF switch output current I
Whole The stream deviceBe communication equipment loaded work piece electric current I
Equipment, tested batteries I discharging current I
Discharge DWith the batteries floating current I that works online
Floating chargeSum.Discharge process, the voltage of tested batteries I are along with the prolongation of discharging current and time, and battery voltage also descends thereupon, through distributed online batteries charge/discharge capacity integrated maintenance testing equipment automatic steady current control adjustment output voltage U
O, promote the voltage that works online, make tested batteries I carry out the discharge capacity test with constant electric current.Carry out the discharge test device for distributed full online storage battery pack of discharge test; Have equipment on-Line Voltage voltage-limiting protection, overvoltage protection; Tested batteries discharge low-voltage variation, cell discharge off low-voltage variation, and battery discharge work current limliting and overcurrent protection.Concrete parameter setting; The user can set according to actual testing requirement; For avoiding customer parameter that mistake is set; The discharge test device for distributed full online storage battery pack system also has parameter the upscale protection function is set, and is safe in utilization to guarantee the operation of discharge test device for distributed full online storage battery pack system.
After online discharge finished, it was as shown in Figure 8 to be charged to the equipotential catenation principle that recovers to work online automatically:
After the online discharge test of tested batteries I finished, the discharge test device for distributed full online storage battery pack system controlled DC-DC converter 12 automatically and is in closed condition, IA=I with constant-current discharge load and intelligence control system circuit 5
Industry controlDischarge test device for distributed full online storage battery pack is controlled automatic current limiting charging and equipotential attachment security control circuit 4 entering charging recovery processs automatically simultaneously; Utilize system's output voltage of online-48V rectifier or high frequency switch power equipment; Tested batteries I is carried out current-limiting charge ,-48V rectifier or switch power supply output current I
Rectifier=I
Equipment+ I
Charging D, tested batteries I charging current I
The B1 charging=I
Charging D-(I
Floating charge+ I
Industry control); Prolongation along with charging current and time; The voltage of tested batteries I also increases; When being tending towards equipotential with on-Line Voltage, carry out its charging current of intelligent diagnostics, voltage difference etc. when satisfying condition by the discharge test device for distributed full online storage battery pack system, discharge test device for distributed full online storage battery pack is controlled the large power supply static switch pipe conducting in second safety protective circuit 10 automatically; System's output voltage of online-48V rectifier or high frequency switch power equipment is charged to tested batteries through this power supply static switch pipe; And accomplish equipotential safety and connect, the switching of accomplishing batteries on-line testing diverter switch 13 again recovers " online non-test " state, finishes tested batteries I discharge test and the recovery overall process that works online.
The online one by one discharge of batteries, charging return to " online non-test " operation principle overall process: this discharge test device for distributed full online storage battery pack is through after being provided with of system program menu selection function, parameter; To control batteries on-line testing conversion control circuit drive controlling batteries on-line testing diverter switch 13 automatically by the MCU unit program and carry out " on-line testing " and conversion of " online non-test " mode of operation and control automatically; Carry out the online one by one capacity discharge test of tested batteries, and recover the state that works online automatically.As previously mentioned; The online discharge test of tested batteries I finishes; On work online the basis of overall process to charging and equipotential recovery; When simultaneously discharge test device for distributed full online storage battery pack is through the online charging recovery capacity of the tested batteries I of on-line monitoring, will carries out next tested batteries automatically and carry out online discharge test.Repeat the above-mentioned course of work (principle is the same), accomplish the online one by one discharge test maintenance work of all online batteries capacity automatically.
In the foregoing discharge course of work, tested batteries I safety on line power supply is by safety protective circuit 3 and the 10 dual power supply safeguard protections of second safety protective circuit; And in charging process; If civil power takes place to interrupt or rectifier (high frequency switch power equipment) fault; Cause other online batteries to be discharged to the phenomenon of online low pressure; Great power bidirectional power supply static switch pipe forward conduction in second safety protective circuit 10 is connected in the power supply that works online thus; And carry out equipotential safety connection protection, and close the output of DC-DC converter 12 simultaneously automatically, guaranteeing all can the uninterrupted safe power supply of real-time online in the tested batteries I charge or discharge test process.
The online discharge operation principle of embodiment two:
This embodiment two comprises two kinds of situations; First kind of situation applicating adn implementing example one is identical; Its principle sees also the description among the embodiment one; Second kind then please combine Fig. 2 and shown in Figure 6; Because the DC-DC converter 12 in second kind of situation of present embodiment two, automatic current limiting charging and recover equipotential attachment security control protection electric circuit 4, safety protective circuit 3 certainly and 2 both positive and negative polarity wiring public terminals (anodal D+1 end, negative pole D-1 end) of connecing and embodiment one opposite make it to be applicable to+24V communication power supply backup battery group.Therefore the online discharge operation principle of second kind of situation of embodiment three and the difference of embodiment one only are that sense of current is opposite.
The online discharge operation principle of embodiment three:
This embodiment three also comprises two kinds of situations, in conjunction with Fig. 9, shown in 10, is compared to Fig. 7 and Fig. 8 again, and the difference of the operation principle of its first kind of situation and embodiment two is:
During discharge; Operating current among the embodiment two, flow to said DC-DC converter 12 respectively and directly arrive the first terminals A via 13 outputs of said batteries on-line testing diverter switch; And directly arrive the first terminals A via the operating current of the constant-current discharge load intelligence control circuit 5 discharge load circuit 6 of said series connection; And the operating current via said batteries on-line testing diverter switch 13 outputs among the embodiment three; Arrive the first terminals A through importing the forward and reverse polarity work of power supply protective circuit 9 backs again after the constant-current discharge load intelligence control circuit 5 discharge load circuit 6 that flow to said DC-DC converter 12 and said series connection after the forward and reverse polarity work of the power supply protective circuit 9 respectively, all the other are constant.
The current opposite in direction of the sense of current of second kind of situation and first kind of situation, all the other are all identical.
In sum, discharge test device for distributed full online storage battery pack of the present invention has been realized the complete online unattended operation remote monitoring and administration of radio communication base station power supply backup battery group; Thoroughly solved the long-term problem that is perplexing communications industry power-source maintenance management work person and on-site maintenance personnel; Can in time control all online battery capacities of existing network; Improve emergency communication supportability and resource scheduling management level, simplified the maintenance management flow process, improved operating efficiency; Save a large amount of maintenance costs, promote network operation safety and integrated operation maintenance management level.
Claims (9)
1. discharge test device for distributed full online storage battery pack is characterized in that: comprising:
One DC-DC host work power supply; One control unit; One batteries on-line testing diverter switch, second safety protective circuit, a batteries on-line testing conversion control circuit; One first safety protective circuit connected with each other, an automatic current limiting charging and equipotential attachment security control circuit, a DC-DC converter, and the constant-current discharge load intelligence control circuit and the discharge load circuit that are connected in series each other;
Said control unit further comprises a MCU unit and a current/voltage data acquisition that all is connected with this MCU unit and conversion control circuit, batteries monomer voltage checkout equipment, data storage, telecommunication circuit again, LCD shows and the keyboard input;
After the corresponding input parallel connection of the input of said batteries on-line testing diverter switch and second safety protective circuit, be connected in online batteries; And this a batteries on-line testing diverter switch wherein output is connected with the output of second safety protective circuit, and another is exported with first safety protective circuit, automatic current limiting charging and equipotential attachment security control circuit, DC-DC converter and the end that connects and is connected;
The output of DC-DC host work power supply is connected with said constant-current discharge load intelligence control circuit, said batteries on-line testing conversion control circuit and said control unit in the said discharge test device for distributed full online storage battery pack; One of input two ends of DC-DC host work power supply end is connected with the output of the said batteries on-line testing diverter switch parallel with one another and second safety protective circuit, and the other end is connected with public power one end of said DC-DC converter, discharge load circuit;
Said DC-DC converter is connected with said current/voltage data acquisition and conversion control circuit and MCU unit respectively;
Said MCU unit also is connected with said constant-current discharge load intelligence control circuit, automatic current limiting charging and equipotential attachment security control circuit, batteries on-line testing diverter switch, second safety protective circuit, batteries on-line testing conversion control circuit respectively;
The input of DC-DC host work power supply is connected in the two ends of online communication working power in the said discharge test device for distributed full online storage battery pack, and the operate as normal power supply is provided.
2. a kind of discharge test device for distributed full online storage battery pack as claimed in claim 1; It is characterized in that: also comprise the forward and reverse polarity work of power supply protective circuit; The input of the forward and reverse polarity work of this power supply protective circuit is connected with said batteries on-line testing diverter switch, and output is connected with said constant-current discharge load intelligence control circuit, DC-DC converter respectively.
3. a kind of discharge test device for distributed full online storage battery pack as claimed in claim 1 is characterized in that: said DC-DC converter, DC-DC host work power supply, said constant-current discharge load intelligence control circuit all have the characteristics of forward and reverse polarity power work.
4. a kind of discharge test device for distributed full online storage battery pack as claimed in claim 1 is characterized in that: also comprise an AC/DC Switching Power Supply, the input and output of this AC/DC Switching Power Supply connect said DC-DC host work power supply and civil power respectively.
5. a kind of discharge test device for distributed full online storage battery pack as claimed in claim 1; It is characterized in that: also comprise at least one current detection circuit, said each current detection circuit is coupled in this discharge test device for distributed full online storage battery pack and monitors each input that discharges and recharges working power of said tested batteries.
6. a kind of discharge test device for distributed full online storage battery pack as claimed in claim 5 is characterized in that: said current detection circuit is a transducer.
7. a kind of discharge test device for distributed full online storage battery pack as claimed in claim 1 is characterized in that: said first safety protective circuit is a heavy-duty diode.
8. a kind of discharge test device for distributed full online storage battery pack as claimed in claim 1; It is characterized in that: said second safety protective circuit comprises that a great power bidirectional power supply static switch pipe, a direct current contactor and are used to control and protect the automatic protection circuit of this great power bidirectional power supply static switch pipe and D.C. contactor work, and said great power bidirectional power supply static switch pipe and D.C. contactor are connected in parallel.
9. a kind of discharge test device for distributed full online storage battery pack as claimed in claim 1; It is characterized in that: said batteries on-line testing diverter switch has the make-before-break function, and said second safety protective circuit automatic protection circuit that comprises a great power bidirectional power supply static switch pipe, be used to control and protect this great power bidirectional power supply static switch plumber to do.
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| CN102353906B (en) * | 2011-07-07 | 2013-06-26 | 杭州电子科技大学 | Charge monitoring system for distributed storage battery pack |
| CN102565714A (en) * | 2011-12-22 | 2012-07-11 | 福州福光电子有限公司 | Discharge capacity testing instrument of wide-voltage battery |
| CN102998627A (en) * | 2012-12-21 | 2013-03-27 | 江苏省电力公司镇江供电公司 | Remote intelligent maintaining device of transformer substation storage battery |
| US11065961B2 (en) * | 2016-12-28 | 2021-07-20 | Honda Motor Co., Ltd. | Electric circuit and diagnosis method |
| CN107677969A (en) * | 2017-10-25 | 2018-02-09 | 福州福光电子有限公司 | The charge/discharge test device of distributed complete online batteries |
| CN108923088B (en) * | 2018-08-10 | 2020-11-06 | 必利恩（北京）新能源技术研究有限责任公司 | Device and method for improving discharge capacity of storage battery |
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| JP3706376B2 (en) * | 2003-07-29 | 2005-10-12 | 武次 西田 | Degradation battery evaluation test equipment |
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| CN2872382Y (en) * | 2006-02-14 | 2007-02-21 | 黄安帮 | Distributed galvanic-battery on-line monitor |
| CN200950162Y (en) * | 2006-07-11 | 2007-09-19 | 石卫涛 | Full online type batteries discharging test system |
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