CN202817130U - Constant impedance multi-gear discharger for storage battery - Google Patents
Constant impedance multi-gear discharger for storage battery Download PDFInfo
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- CN202817130U CN202817130U CN2012203896309U CN201220389630U CN202817130U CN 202817130 U CN202817130 U CN 202817130U CN 2012203896309 U CN2012203896309 U CN 2012203896309U CN 201220389630 U CN201220389630 U CN 201220389630U CN 202817130 U CN202817130 U CN 202817130U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a constant impedance multi-gear discharger for a storage battery. The discharger comprises a discharge load, a radiator, a controller, a shell and a switch. The discharge load uses the rated impedance and is compactly and fixedly connected with the radiator and thermally conducted with the radiator in the shell. One end of the discharge load is fixedly connected with a direct current power supply line while the other end of the discharge load is fixedly connected with another direct current power supply line. When used, the other two ends of the two direct current power supply lines are electrically and fixedly connected with anode and cathode terminals of an external storage battery to be discharged. A switch comprises multiple paths which are connected in parallel. Each path at least comprises a mechanical connecting and disconnecting switch or a circuit triggering switch, or the mechanical connecting and disconnecting switch connected in series is connected with the circuit triggering switch. A controller is used to control the circuit triggering switch in the switch. When voltages at both ends of the discharge load or the storage battery are reduced to a set contact breaking voltage, the controller stops discharging by controlling the circuit triggering switch.
Description
Technical field
The utility model relates to storage battery instrument and equipment field, and particularly a kind of storage battery is repaired special-purpose many grades of discharge instrument and equipments of constant impedance.
Background technology
All kinds of storage battery consumption maximums is lead accumulator on the Vehicles Collected from Market, usually be called for short storage battery, its manufactured materials wide material sources, cheap, have the electric property advantages such as safe and reliable, that capacity is large, strength of discharge is large, and the discarded object rate of recovery can reach 99%, the environmental protection development trend that meets the material resources reusable edible, at present electrically propelled traction vehicle, car and boat starting, communication equipment station, energy storage etc. high-power/large capacity field occupies the empery status.
But lead accumulator has again defective short, that scrap in advance easily in useful life.Take recoverable amount near the automobile-used 6DZM series battery of 200,000,000 electrical salf-walking as example, average life cycle 12～15 months, a year discarded amount surpasses 600,000,000, adds other industry, annual storage battery quantity of being discarded is more huge.Thus market service terminal has been risen battery reparation industry, attempts to make battery can continue to use certain hour by to waste battery moisturizing, charging.
In the prior art, the multiple method that storage battery is repaired is arranged, comprise such as lead accumulator: rich solution boost charge method, just/negative pulse charging method, multistage segmentation intelligent charging method, high temperature are shelved method etc.But, no matter adopt the charging restorative procedure of what type, generally all need storage battery is at first carried out discharge process.
The battery service reparation needs the discharge of two stages usually, phase I will treat that the battery discharging of maintain and repair is to empty lotus, its technical meaning is not only and is understood remaining capacity (the remaining capacity state that does not need to understand storage battery because of many automatically reparation chargers), also because some repair additive adds better under the empty lotus state of storage battery; The second discharge regime is generally the known deep discharge of industry, usually will use the Electrical Discharge Machine of two class discharge cut-off voltage for this reason.
The equipment of the high-end Electrical Discharge Machine of capable of regulating discharging cut-ff voltage divides the cost height in the market, and needs often to regulate discharge cut-off voltage in Reusability, and actual use is also inconvenient; And market is more take the control electronics as the discharge object of series-connected cell in groups, and deep discharge is resulting to be the mean value of some battery discharged in series, is difficult to reach the storage battery deep discharge expection technical purpose of same low-voltage benchmark extremely.Battery service is repaired a kind of cheap practical, easy and simple to handle special use discharge instrument of market in urgent need for this reason, particularly a kind of special use discharge instrument that deep discharge and the conventional function that is discharged to the sky lotus can be integrated.
The utility model content
The purpose of this utility model is: overcome the shortcoming that existing Electronic Control constant-current discharge machine is subjected to the cost performance restriction, a kind of cheap practical, easy and simple to handle constant impedance discharge instrument is provided.
To achieve these goals, many grades of discharge instrument of constant impedance that the utility model provides a kind of storage battery to use, comprise discharge load 1, radiator 2, controller 3, shell 4, switch 5, described discharge load 1 adopts rated impedance, innerly closely be connected with described radiator 2 at described shell 4, thermal conductance is logical, the one end electricity direct current supply line that is connected, the other end is by described switch 5 electricity another root direct current supply line that is connected, and during use the positive and negative electrode terminal electricity of the in addition two ends of two direct current supply lines with storage battery 6 outside to be discharged is connected;
Described switch 5 comprises multichannel, and is parallel with one another between the described multichannel; Each road comprises the disconnected combination switch of a machinery at least, or a circuit triggers switch, or the disconnected combination switch of the machinery after the series connection and circuit triggers switch; Described controller 3 is used for the circuit triggers switch of described switch 5 is controlled, when voltage drop to the tactile outage of setting at described discharge load 1 or described storage battery 6 two ends was pressed, described controller 3 realized stopping discharge by controlling described circuit triggers switch; Wherein, the tactile outage at least one road of described switch 5 is pressed and is battery industry technical standard Ie(A) the final voltage value V of discharge
01, the tactile outage pressure≤80%V on other roads
01
Described mechanical switch 5a can adopt any machinery break/to close form, and corresponding each discharge loop arranges respectively a mechanical switch, or several discharge loops share one many grades mechanical switch 5a;
In the technique scheme, the disconnected combination switch of the machinery in a plurality of roads of described switch 5 shares many grades of mechanical switchs.
In the technique scheme, rated value of resistance R(ohm of described discharge load 1)=T
Specified(h) V
Nominal(V)/C
Nominal(Ah).
In the technique scheme, display unit 7 when also comprising discharge gage, and described controller 3 also comprises the discharge timing circuit, described discharge timing circuit during with described discharge gage display unit 7 be connected, display unit 7 is installed in the outside of shell 4 during described discharge gage.
In the technique scheme, also comprise voltage swing or size of current display unit, described voltage swing or size of current display unit are connected with described discharge load 1, and are installed in the outer surface of described shell 4.
In the technique scheme, described discharge load 1 is for meeting any loaded article of resistance value and overload power requirement.
In the technique scheme, described radiator 2 is logical with described shell 4 thermal conductances, and described radiator 2 and shell 4 adopt aluminium alloy, ferroalloy, stainless steel, metallic copper to make.
In the technique scheme, described radiator 2 is same parts with described shell 4.
In the technique scheme, in the described shell 4 radiator fan is installed.
The utility model has the advantage of: but the technical goal of two stages of simple realization discharge, remedied the deficiency of storage battery low and middle-end discharge instrument, in conjunction with the special-purpose liquid of the existing reparation in market and reparation special charger, but effect/efficient that the Effective Raise storage battery is repaired has the advantage safe and reliable, easy to use, that cost is low.
Description of drawings
Fig. 1 a is a kind of two grades of electrical block diagrams of the present utility model;
Fig. 1 b is another kind of two grades of electrical block diagrams of the present utility model;
Fig. 1 c is a kind of third gear electrical block diagram of the present utility model;
Fig. 1 d is the circuit structure diagram of many grades of discharge instrument of constant impedance with the discharge timing circuit of the present utility model;
Fig. 2 is the interval change of the current/voltage schematic graph of 6MDZ storage battery 2.2 ohmic discharges;
Fig. 3 a is an inefficacy 6MDZ12 storage battery carries out deep discharge with constant current change in voltage curve
Fig. 3 b is an inefficacy 6MDZ20 storage battery carries out deep discharge with constant current change in voltage curve
Fig. 4 a is the variation in voltage trend schematic graph of the utility model deep discharge;
Fig. 4 b is the electric current alteration trend schematic graph of the utility model deep discharge.
The accompanying drawing sign
1, discharge load 2, radiator 3, controller 4, shell
5, starting switch 5a, the disconnected combination switch 5b of machinery, circuit triggers switch 6, storage battery
Embodiment
Before the utility model is elaborated, at first related concept is done unified explanation.
I
e(A of unit): the rate of discharge of rate when expression battery industry national technical standard is specified, I
e=C
Nominal(Ah)/rate T when mark rule are discharged
Specified(h).
V
01(V of unit): the battery industry technical standard order is with I
eThe final voltage value of constant current discharge.
V
02(V of unit): the voltage design load that storage battery deep discharge process stops, this magnitude of voltage is less than V
01, preferred≤80%V
01When the utility model designs a plurality of deep discharge shelves, the V in a plurality of different values interval should be arranged mutually
02
Further the utility model is elaborated below in conjunction with drawings and Examples.
With reference to figure 1a, in one embodiment, many grades of discharge instrument of two mark structure constant impedance that a kind of 6MDZ lead accumulator of the present utility model is used mainly comprise: discharge load 1, radiator 2, controller 3, shell 4, switch 5 and other accessories; Wherein, discharge load 1 preferred resistance is R(ohm)=V
NominalT
Specified/ C
NominalResistance wire, one end electricity of one end and a direct current supply line is connected, the other end is connected by the switch 5 end electricity with another root direct current supply line, and above-mentioned two DC power supply connecting lines other end separately is connected with the anode and cathode terminals of outside storage battery 6 to be repaired respectively; Described radiator 2 is installed on the discharge load 1, is used for described discharge load 1 is realized efficiently radiates heat.Described switch 5 comprises the double switch of "or" logical relation that is in parallel, and wherein first via switch is pressed V by the disconnected combination switch 5a1 of the first machinery with tactile outage
01For the first circuit triggers switch 5b1 of 10.5V is composed in series, the second way switch by the disconnected combination switch 5a2 of the second machinery with touch outage and press V
02For the second circuit trigger switch 5b2 of 6V is composed in series; The first circuit triggers switch 5b1 and second circuit trigger switch 5b2 are electrically connected with controller 3 respectively, realize disconnecting, stopping the operation of storage battery 6 discharges under the control of described controller 3.Described discharge load 1, radiator 2, controller 3, the first circuit triggers switch 5b1 and second circuit trigger switch 5b2 are positioned at described shell 4.
The function of described controller 3 is that the both end voltage of discharge load 1/ storage battery 6 is carried out real-time sampling, when the both end voltage of discharge load 1 or storage battery 6 drops to respectively design load 10.5V, the 6V of circuit triggers switch 5b1,5b2, open circuit trigger switch 5b1 or 5b2 reach the control purpose that stops to discharge, and its realization can be by common mcu programming, also can adopt conventional switch circuit to carry out the logical design combination;
Described first via starting switch forms first grade of the utility model switch 5, when described discharge load 1 both end voltage drops to V
01The time (preferred corresponding storage battery 6 both end voltage 1.75V/ single lattice), controller 3 triggers the first contactor 5b1 and opens circuit and stop discharge; Described the second way switch is the second gear of the utility model switch 5, when described discharge load 1 both end voltage drops to V
02The time (preferred corresponding storage battery 6 both end voltage 1.0V/ single lattice), controller 3 triggers second circuit switch 5b2 and opens circuit and stop discharge.When using first grade, the switch in the second gear disconnects; When using second gear, the switch in first grade disconnects; This parallel connection "or" logical relation both can realize by controller 3, also can realize by the disconnected combination switch 5a1 of two grades of machineries of Artificial Control and 5a2.
Among this embodiment, the disconnected combination switch 5a1 of two grades of machinery and 5a2 are discrete settings, in other embodiment setting of also can integrating, namely the disconnected combination switch of two-way machinery can be realized the basic design goal of this embodiment equally at the shell 4 outside disconnected combination switch 5a of machineries that share two mark structures.
But implementation combination in any of the present utility model, for example cancellation second circuit trigger switch 5b2 in above embodiment only adopts and manually controls the second gear that starting switch 5a2 forms artificial outage, shown in accompanying drawing 1b; For example increase the disconnected combination switch 5a3 composition of machinery third gear among the above embodiment again, shown in accompanying drawing 1c; In like manner, the second circuit trigger switch 5b2 in the second gear of switch 5 further can be subdivided into some shelves.
In yet another embodiment, but the outside of described shell 4 is auxiliary voltage display list, electric current display list or el display device also, these display unit are at inner and described rated impedance load 1 serial or parallel connection, thereby show in real time size of current or voltage swing in the discharge process.
When the utility model is had relatively high expectations, can be the function that the utility model increase to be understood discharge time of accumulator, by battery discharging to V
01Its remaining capacity of time estimation.Shown in Fig. 1 d, the controller 3 of this Functional Design comprises the discharge timing circuit, timing circuit follows battery discharging to start synchronously, follow controller 3 to trigger the first contactor 5b1 and open circuit and stop timing, and with discharge time data communication device cross the exterior display device 7 that is installed in shell 4 and show; Follow battery discharging to start synchronously the purpose of timing, its realization can be by common mcu programming, also can adopt conventional switch circuit to carry out the logical design combination; Described exterior display device 7, except number shows, also comprise el display device, described luminous display unit is LED for example, by corresponding data discharge time that show of the mode that adopts different colours, different luminous oil lamps, can reach equally the rough purpose of understanding discharge time.
The below is further described all parts in the utility model.
Discharge instrument of the present utility model is take the discharge of two stages of simple realization as purpose, and is even increase the function of understanding discharge time of accumulator, also not high to the discharge required precision; Lead accumulator regular picture voltage range is narrower, generally at the single lattice of 1.75～2.13V/, and the single lattice (V of the about 2.0V/ of discharge range intermediate value
Nominal), therefore as a preferred implementation, the impedance magnitude of rated impedance load 1 is determined by intermediate value and the mark rule load current value in operating voltage interval: because R=V
Nominal/ I
e, and I
e=C
Nominal/ T
Specified, therefore the preferred large I of rated impedance of institute is expressed as R(ohm)=V
NominalT
Specified/ C
Nominal, V wherein
Nominal(V), T
Specified(h) and C
Nominal(Ah) it is known to be industry.
Take the electric motor car 6DZM series of products of mark rule discharge rate 2h as example, rated impedance load 1 is preferably R(ohm)=12(V) * 2(h)/C
Nominal(Ah), for example the 10Ah storage battery is preferably R=2h * 12V/10Ah=2.4(ohm), the 14Ah storage battery is preferably R=2h * 12V/14Ah=1.7(ohm), accompanying drawing 2 is the interval change of current/voltage schematic graph that impedance load 1 adopts 2.2 ohmic discharges; When the related discharge instrument of the utility model extends to 3h discharge rate storage battery, R(ohm)=3V(V)/C
Nominal(Ah), during the battery discharging of design 10h discharge rate, R(ohm)=10V(V)/C
Nominal(Ah), so analogize.
Described nominal load 1 impedance R=V
NominalT
Specified/ C
NominalBelong to preferred technical scheme and nonessential, use the load impedance of different interval ranges can realize equally the basic fundamental target of the utility model scheme, but discharging current is excessive or too small its weak point arranged, during Practical manufacturing to select mark rule load current value to be advisable.
Described rated impedance load 1 can select any load that meets resistance, overload power or overload current requirement of strength to realize, such as selecting conventional wire-wound resistor, electric furnace heating wire, low voltage bulb etc.
Described radiator 2 is used to rated impedance load 1 heat radiation.In one embodiment, described radiator 2 is two independently parts with shell 4, and in other embodiments, for the consideration of saving cost, described radiator 2 can be unified with shell 4, and namely shell 4 is born the function into rated impedance load 1 heat radiation simultaneously.This moment, shell 4 was metal shell, and rated impedance load 1 is installed on the shell 4, so that the outside of rated impedance load 1 and shell 4 thermal conductances are logical, thereby realized the heat radiation to rated impedance load 1.When larger, the described radiator 2 of the discharge power that bears when nominal load 1 is not enough to distribute accumulated heat, can install radiator fan additional in shell 4 inside.
Starting switch in the described switch 5 such as the first starting switch 5a1 and the second starting switch 5a2, is mechanical type and breaks/combination switch, and circuit triggers switch 5b wherein then can adopt any circuit form control break/to close.
Described controller 3, the most basic switching circuit that comprises a voltage triggered, its basic function is that the voltage status at rated impedance load 1 or storage battery 6 two ends is carried out timing sampling, when the voltage drop at rated impedance load 1 or storage battery 6 two ends to the V that sets
01/ or V
02The time, announcing circuit switch 5b opens circuit, both can adopt conventional mcu programming also available traditional circuit switch realize by the logic coupling; In actual design, this voltage sample, Trigger Function also can be considered the in real time part of control of contactor 5b, controller 3 is being required in the higher Function Extension design, comprising additional timer, average voltage level counter, real-time current tracking display control circuit etc.
The final discharging voltage value V that the utility model relates to
01, V
02State routine object take lead accumulator as discharge with the concept such as rated impedance load (R), the storage battery of other type is analogized.Starting discharge switch 5 and be set at least two grades, is the discharge that will realize the different basic fundamental targets of storage battery two classes, and described one grade is set to be discharged to V
01The time trigger switch 5 automatic disconnections stop discharge, the technology implementation goal is with the empty lotus state of battery discharging to the routine work voltage range, further obtains the battery discharging capacity data of knowing the real situation when having relatively high expectations; Described second gear is discharged to V
02, the technology implementation goal is that storage battery is carried out deep discharge (the complete empty lotus of perfect condition).
Lead accumulator is repaired the deep discharge meaning before charging, known together by increasing industry specialists, lead accumulator is (lead sulfate crystallization salinization, plate active material soften) in two kinds of main failure modes, generally there is the secondary energy platform in the single lattice of 0.8～1.6V/ interval, if do not discharge this secondary platform energy by deep discharge, the battery repairing effect can be not good enough, and accompanying drawing 3a and accompanying drawing 3b have provided respectively the experimental voltage curve of the constant current discharge of carrying out after two 6MDZ12 lost efficacy; Accompanying drawing 3a curve obviously indicates, and dead battery is piled up between the 9V left and right region larger energy, but well below normal working voltage lower limit 10.5V, normal work has lost meaning to storage battery; Carry out first the meaning of deep discharge before the storage battery reparation, be to break this low-voltage platform energy range with the mode of deep discharge, it is interval to make voltage recover normal operating voltage by effective repair additive and charging procedure.
Adopt the utility model to implement a clear superiority of deep discharge, voltage drop when current strength can be with storage battery 6 discharge when being the rated impedance deep discharge and automatically adjusting, lower its electric current of voltage is less, need not impressed current and adjust control circuit, can realize simply and effectively the technical scheme of storage battery deep discharge, be particularly useful for single lattice storage battery, accompanying drawing 4a and accompanying drawing 4b are the voltage and current alteration trend schematic graph of deep discharge.
Industrialization is repaired battery and is laid particular stress on working (machining) efficiency, expectation can be with numerous storage batterys serial connection charge on the same group, in one embodiment, to carry out the capacity reparation to up to a hundred 2V500Ah storage batterys, but with common industrial charge/discharge machine, because of up to a hundred storage battery remaining capacities all different, can't relatively same low-voltage benchmark will be discharged in same series connection group, often when the high battery discharging of remaining capacity during to low-voltage (for example 1.5V) slightly, the low exhaustion of accumulator of remaining capacity is to antipole (positive electrode potential is lower than negative pole); The routine techniques scheme is to shut down to dismantle first the antipole storage battery, antipole storage battery is not continued discharge, and concerning numerous storage battery series connection groups, workload is very large.
A kind of preferred technical scheme is: first every storage battery is discharged respectively with the utility model, for example be discharged to respectively V with one grade
01Obtain the remaining capacity data, be conducive to the relatively same storage battery classification of remaining capacity; Then with second gear every storage battery is distinguished deep discharge to relatively same low-voltage V
02Thereby very easy that numerous remaining capacities are similar and through with storage battery serial connection charge in same group of benchmark deep discharge, to the control of repairing quality consistency, improve remediation efficiency greater advantage is arranged, the technical scheme that makes above-mentioned industrialization repair battery becomes simple.
When the utility model is considered as the ancillary equipment of high-end discharge equipment; a preferred technical scheme is used for only designing second gear deep discharge function: for example patrol and examine out same series connection when organizing some storage batterys and being lower than specified discharge voltage; the some storage batterys that are lower than specified discharge voltage can be shut down and concentrate dismounting; remaining deep discharge function is all transferred to the utility model to be processed respectively one by one; can effectively avoid like this discharge of storage battery antipole, improve work efficiency.
Common professional person to storage battery and instrument and equipment manufacturing are slightly understood in depth is not difficult on described technical scheme basis, and the utility model content is implemented in distortion with drawing inferences about other cases from one instance.The utility model is not only applicable to battery of electric vehicle, is equally applicable to communication UPS battery and other kind battery, and the selection of the resistance of the nominal load 1 that only discharges and overload power or overload current intensity is different, and all preferences are only for recommending; Technical scheme described in the utility model and the technology distortion of deriving thereof are implemented, and all should be put into protection range of the present utility model.
Embodiment:
Design the general constant impedance discharge instrument of the modal 6MDZ10/12 storage battery in a kind of electric bicycle market.
The nominal voltage 12V of 6MDZ10/12 storage battery, mark rule 2h discharge rate, rated impedance is preferably R(ohm)=12V * 2(h)/C
Nominal(Ah), be R=2h * 12V/10～12Ah=2.0～2.4(ohm to the preferred impedance discharge of 10～12Ah storage battery), get 2.2 ohm of medians; Buy the special-purpose wire-wound resistor of 2.2 ohm of nominals to market, accurately record 2.19 ohm of resistances, the rated maximum power 120W of wire-wound resistor, namely overload current intensity surpasses 9A; The overload rating electric current of two power lines is 10A, the be connected other end of wire-wound resistor 1 of be connected an end and the starting switch 5 of wire-wound resistor 1 of electricity respectively in shell 4 inside, starting switch 5 electricity.Controller 3 comprises the discharge timing circuit, and display unit 7 is installed in the outside of shell 4 during discharge gage.
Starting switch 5 arranges two gear parallel connections, wherein one grade by a machinery disconnected/circuit triggers switch 5b1 of combination switch 5a1 electricity series connection forms, circuit triggers switch 5b1 is electrically connected with controller 3, and can be under controller 3 control, when wire-wound resistor 1 or storage battery 6 both end voltage drop to 10.5V, circuits for triggering switch 5b1 opens circuit; The second gear of starting switch 5 is set to a machinery and breaks/combination switch 5a2, and manual type is opened/opened circuit; Shown in accompanying drawing 1b.
Select aluminium base radiator 2 a kind of and wire-wound resistor 1 external form coupling, the radiator 2 inboard and outside close contacts of wire-wound resistor make the good conducting of caloric value, and the outside of radiator 2 is connected by the iron-based shell 4 of some aluminium base thin slices and discharge instrument, the good conducting of heat.Two power lines in addition two ends outside shell 4, respectively electricity be connected battery just/Special wire-clip of negative terminal, in order to dock with the positive and negative electrode terminal of storage battery 6.
When this discharge instrument is used, at first with one grade 6MDZ10/12 storage battery 6 is discharged, the about 5.8A of initial rate of discharge, the current strength when storage battery 6 voltage drops to 10.5V circuits for triggering switch opens circuit is 4.8A, the signal of the interval change of the current/voltage of its discharge curve is as shown in Figure 2; Show the time that is discharged to 10.5V by manual time-keeping or additional timer, can judge roughly the remaining capacity of storage battery 6.
After generally finishing one grade of discharge, by being added special-purpose maintain and repair material and electrolyte is supplemented to the internal poles group, this storage battery 6 sees liquid level, continue to use this anti-discharge instrument second gear deep discharge, discharging current will descend and reduce with cell voltage, when cell voltage drop to≤during 2V, discharging current general≤1A, can effectively reach the technology expectation effect of this storage battery being carried out deep discharge by Artificial Control discharge time.
Two grades with embodiment 3 stop mechanical the breaking of discharge increase third gear/combination switch 5a3 design automatically, be combined into a constant impedance discharge instrument that utility function is complete, shown in Fig. 1 c, wherein first grade stops discharge when being discharged to storage battery 6 both end voltage 10.5V with 2.2 ohm of constant impedance automatically, first grade stops discharge when being discharged to storage battery 6 both end voltage 6.0V with 2.2 ohm of constant impedance automatically, third gear manual type start/stop discharge, applied widely.
Embodiment 5,
To embodiment 4 further technology upgrading, discharge rated impedance load 1 voltmeter 7 in parallel, ammeter of series connection or shunting are electrically connected some emitting led, process status, real-time voltage and the discharge real-time current of discharge are intuitively shown, improved the commodity value of this constant impedance discharge instrument.
Design a kind of constant impedance discharge instrument of 2V500Ah large-capacity battery, be exclusively used in to cooperate in the large-scale production and do to replenish the deep discharge use through the storage battery of groups of battery discharged in series, the known storage battery of industry used to the half-life in life-span, even the storage battery that uses on the same group, it is discrete also can to show as capacity, voltage range, therefore the voltage drop speed of discharged in series performance is different in groups, especially the following interval discharge voltage difference of 1.8V is larger, need a kind of cheap practical special use discharge instrument with numerous storage battery deep discharges to same benchmark.
The constant impedance discharge instrument that this class cooperates large-scale production to use, roughly the same embodiment 1 is designed to the two-way discharge, and only the overload current of discharge load 1 is larger, for example select special-purpose resistance wire, 0.04 ohm of specified resistance, overload power are greater than 150W, and namely overload current intensity surpasses 75A.Also can be designed to cooperate the auxiliary equipment of large-scale production application, only design a manual type and open/open circuit the 5a switch, the function of measurement capacity is finished by the discharge equipment of routine production usefulness; During use, because storage battery is discharged to below the 1.8V through conventional 50A, bounce voltage is virtual pressure, initial rate of discharge generally is no more than 55A, the current strength of storage battery 6 voltage drops during to 1.8V is 45A, voltage drop during to 0.5V discharging current be 12.5A, its voltage and current alteration trend signal can effectively reach the technology expectation effect to storage battery 6 deep discharges shown in accompanying drawing 4a and accompanying drawing 4b.
The technology application target of present embodiment, that the 2V large-capacity battery is repaired the deep discharge that needs, discharge load 1 selects 0.04 ohm of resistance to belong to recommendation (according to the 10h discharge rate), in implementation, can strengthen or reduce specified resistance, for example the resistance of discharge load 1 be changed into 0.05 ohm; In addition, because of the technology application target simply clear and definite, in less demanding situation even can cancel manual type and open/disconnect and close 5a.
Embodiment 7,
It should be noted last that above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although with reference to embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, technical scheme of the present invention is made amendment or is equal to replacement, do not break away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (9)
1. many grades of discharge instrument of constant impedance that storage battery is used, comprise discharge load (1), radiator (2), controller (3), shell (4), switch (5), it is characterized in that: described discharge load (1) adopts rated impedance, inner closely be connected with described radiator (2) at described shell (4), thermal conductance is logical, the one end electricity direct current supply line that is connected, the other end is by described switch (5) electricity another root direct current supply line that is connected, and during use the positive and negative electrode terminal electricity of the in addition two ends of two direct current supply lines with storage battery (6) outside to be discharged is connected;
Described switch (5) comprises multichannel, and is parallel with one another between the described multichannel; Each road comprises the disconnected combination switch of a machinery at least, or a circuit triggers switch, or the disconnected combination switch of the machinery after the series connection and circuit triggers switch; Described controller (3) is used for the circuit triggers switch of described switch (5) is controlled, when voltage drop to the tactile outage of setting at described discharge load (1) or described storage battery (6) two ends was pressed, described controller (3) realized stopping discharge by controlling described circuit triggers switch; Wherein, the tactile outage at least one road of described switch (5) is pressed and is battery industry technical standard Ie(A) the final voltage value V of discharge
01, the tactile outage pressure≤80%V on other roads
01
Described mechanical switch (5a) can adopt any machinery break/to close form, and corresponding each discharge loop arranges respectively a mechanical switch, or several discharge loops share many grades of mechanical switchs (5a).
2. many grades of discharge instrument of constant impedance of using of storage battery according to claim 1, it is characterized in that: the disconnected combination switch of the machinery in a plurality of roads of described switch (5) shares many grades of mechanical switchs.
3. many grades of discharge instrument of constant impedance of using of storage battery according to claim 1, it is characterized in that: the size of the rated value of resistance R of described discharge load (1) is T
SpecifiedMultiply by V
NominalAgain divided by C
NominalThe result.
4. many grades of discharge instrument of constant impedance of using of storage battery according to claim 1, it is characterized in that: display unit when also comprising discharge gage (7), described controller (3) also comprises the discharge timing circuit, described discharge timing circuit during with described discharge gage display unit (7) be connected, display unit during described discharge gage (7) is installed in the outside of shell (4).
5. many grades of discharge instrument of constant impedance of using of storage battery according to claim 1, it is characterized in that: also comprise voltage swing or size of current display unit, described voltage swing or size of current display unit are connected with described discharge load (1), and are installed in the outer surface of described shell (4).
6. the discharge instrument used of storage battery according to claim 1, it is characterized in that: described discharge load (1) is for meeting any loaded article of resistance value and overload power requirement.
7. the discharge instrument used of storage battery according to claim 1 is characterized in that, described radiator (2) is logical with described shell (4) thermal conductance, and described radiator (2) and shell (4) employing aluminium alloy, ferroalloy, stainless steel, metallic copper are made.
8. the discharge instrument used of storage battery according to claim 1 is characterized in that, described radiator (2) is same parts with described shell (4).
9. the discharge instrument used of storage battery according to claim 1, it is characterized in that: described shell is equipped with radiator fan in (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203896309U CN202817130U (en) | 2012-08-08 | 2012-08-08 | Constant impedance multi-gear discharger for storage battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203896309U CN202817130U (en) | 2012-08-08 | 2012-08-08 | Constant impedance multi-gear discharger for storage battery |
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| Publication Number | Publication Date |
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| CN202817130U true CN202817130U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012203896309U Expired - Fee Related CN202817130U (en) | 2012-08-08 | 2012-08-08 | Constant impedance multi-gear discharger for storage battery |
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| CN (1) | CN202817130U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI501496B (en) * | 2013-06-06 | 2015-09-21 | Chang Chun Petrochemical Co | Uninterruptible power protection apparatus and manufacturing system for producing electrolytic copper foil |
| CN106450546A (en) * | 2016-10-19 | 2017-02-22 | 上海第二工业大学 | Method for releasing residual electric energy of waste automobile power battery |
-
2012
- 2012-08-08 CN CN2012203896309U patent/CN202817130U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI501496B (en) * | 2013-06-06 | 2015-09-21 | Chang Chun Petrochemical Co | Uninterruptible power protection apparatus and manufacturing system for producing electrolytic copper foil |
| CN106450546A (en) * | 2016-10-19 | 2017-02-22 | 上海第二工业大学 | Method for releasing residual electric energy of waste automobile power battery |
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Granted publication date: 20130320 Termination date: 20160808 |