CN202798098U - Multipurpose intelligent storage battery discharging device compatible with a plurality of voltage classes - Google Patents
Multipurpose intelligent storage battery discharging device compatible with a plurality of voltage classes Download PDFInfo
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- CN202798098U CN202798098U CN2012203878334U CN201220387833U CN202798098U CN 202798098 U CN202798098 U CN 202798098U CN 2012203878334 U CN2012203878334 U CN 2012203878334U CN 201220387833 U CN201220387833 U CN 201220387833U CN 202798098 U CN202798098 U CN 202798098U
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Abstract
The utility model discloses a multipurpose intelligent storage battery discharging device compatible with a plurality of voltage classes, comprising a monitoring module and a discharge power module group, wherein the discharge power module group includes one or more discharge power modules which are connected in parallel; each of the discharge power modules comprises a full-bridge rectifier circuit, a boost unit circuit, a boost unit control circuit, a pulse-width modulation (PWM) regulation load unit, a PWM regulation control circuit, a switch regulation load unit, a switch regulation control circuit and a communication interface circuit; and the communication interface circuit of each of the discharge power modules is connected with the monitoring module. The device disclosed by the utility model has the advantages of being compatible with a plurality of voltage classes, capable of rapidly meeting the demand of integrated product customized by the user, used as an alternating current load, diverse in product use, and the like.
Description
Technical field
The utility model relates to a kind of Battery Discharging Device, and especially a kind of multi-purpose intelligent Battery Discharging Device of batteries that can compatible various electric pressures belongs to the application in the industrial detection control field of power electronic technology and Control Technique of Microcomputer.
Background technology
Along with the development of society and improving constantly of living standards of the people, more and more higher to the requirement of the fail safe of producing, reliability, determined by the production equipment electric power thus supplied in a lot of situations of the fail safe of production and reliability.Powering reliably for production equipment is to guarantee the fail safe of production and the basis of reliability, and therefore the AC and DC uninterruptible power system of various assurance production equipment power supply reliabilities uses in the industries such as finance, telecommunications, electric power, railway, subway widely.As telecommunications industry, power industry use-the 48V power supply system for communications, telecommunications and the widely used UPS of financial industry, began to promote the HVDC power-supply system that might substitute UPS in the future, the 110V that power industry is used, the electric operating power supply system of 220V grade etc. in these 2 years.These alterating and direct current origin systems all are with the batteries energy in support basically.When civil power was normal, power-supply system became civil power alternating current or the direct current supply load that needs through electric power conversion apparatus; When mains failure, continue as load supplying by batteries through the electric power conversion apparatus conversion.Therefore understand carrying capacity and the charged ability of grasping batteries and just seem very highly significant important for the power supply reliability that guarantees power-supply system.
Carrying capacity and the charged ability the most effective the most accurate means of judging at present the battery cell group are exactly capacity checking discharging test (being called for short the nuclear discharge capacitor), be that regular accumulators group is carried out once actual discharge, the discharge ampere-hour number of statistical computation batteries reality judged whether the carrying capacity of batteries and charged ability can also satisfy service requirement when discharge finished.The nuclear discharge capacitor carries out with current constant mode, need to monitor terminal voltage, the terminal voltage of each single battery, discharge time, the discharge capacity of batteries in the discharge process, when reaching default, any one wherein just should stop discharge when stopping discharging condition, in order to avoid discharge excessively damages storage battery.The 6th of power industry standard DL/T724-2000 " electric power system with continuous-current plant operation and maintenance technical regulation " carried out relevant regulations to storage battery nuclear discharge capacitor.
Early stage storage battery discharge equipment is by the operation maintenance personnel of the power-supply system actual conditions according to the scene, with adjustable resistance, electric furnace heating wire as discharge load, come sustain discharge electric current substantially constant with the size of a plurality of air switches manual adjustments load in discharge process, in discharge process, with the various discharge data of manual record, need the artificial discharge that stops.This method exists that equipment volume is large, heavy, dangerous, unreliable, time-consuming, effort, inefficiency, can not accurate Calculation actual discharge capacity etc. the shortcomings such as problem.Occur in recent years using PTC heater as the Intelligent Instrument for Constant Discharge of Battery of load, realize the automatic control of constant current, the automatic control that stops discharge, the functions such as automatic record of discharge data, the PTC heater that this novel electric discharge device uses has the advantages such as volume is little, lightweight, fail safe is good, and whole discharge process is all finished basically automatically, alleviate significantly power-supply system operation maintenance personnel's workload, therefore be subjected to very much operation maintenance personnel's welcome.
But existing Battery Intelligent Constant-current Discharge device also has weak point, wherein maximum deficiency be can not compatible different electric pressures batteries.The voltage of the batteries of different power-supply system configurations is had any different, such as big power station exists operating power system, UPS of the power supply system for communications, 110V and the 220V of 48V etc. simultaneously, and the nominal voltage of their batteries is respectively 48V, 110V, 220V, 400V.Because the PTC of low-voltage can not be used for high voltage, otherwise PTC is with breakdown.Because PTC is not a linear resistance, high-tension PTC power when low-voltage will significantly reduce again, and discharge capacity declines to a great extent, the PTC of a 1800W/220V for example, when 110V voltage, the about 250w of power less than.Therefore present PTC Battery Intelligent Constant-current Discharge instrument all can only be applicable to an electric pressure, can not compatible a plurality of electric pressures, and the user of power plant described above must purchase the electric discharge device of 4 kinds of electric pressures, and is very uneconomical.Because the capacity of the batteries of the power-supply system of the different local different purposes of different industries has larger difference, distribution is very wide in addition, therefore the capacity requirement of discharge instrument is also disperseed very much, can't carry out standardized designs.This brings very burden for design and production of discharge instrument manufacturer, must the Custom Design customized production, therefore can't satisfy fast user's demand.Some producer takes the mode of multi-machine parallel connection work to carry out dilatation, but this mode is not subjected to user's approval, and the user more wishes the product of integrated structure design.Simple, the operation of wiring was also more near user's custom when the product of integral structure used, and easier grasp, is safeguarded also more conveniently, simple at keeping, transportation, and overall cost is also lower.
Existing product all can only use as DC load, can not use as AC load.This is because two reasons: 1, existing product all is to use the semiconductor switch devices such as IGBT, MOSFET as the load of switch regulating and controlling, and these devices are that unidirectional device is not suitable for the interchange situation; 2, say something as an example of the electric discharge device of rated voltage 220Vdc example, electric discharge device selects the PTC heater of 220V rated voltage as load, and the direct current of access 220V can work.But during the interchange of access 220Vac, the 220Vac alternating current becomes the direct voltage of 310V through (rectifying and wave-filtering is the problem that is not suitable for exchanging in order to solve the semiconductor switch devices such as IGBT, MOSFET) behind the rectifying and wave-filtering, effective value when exchanging height 1.414, but line voltage often is higher than 220Vac, sometimes even can reach 265Vac, the direct voltage behind rectifying and wave-filtering reaches as high as 375V.So high voltage is easy to damage the PTC heater of 220V, if use high voltage P TC instead, the power of PTC can't get out again when the rated direct voltage of 220V.Based on this two reason, present PTC Battery Constant Current Discharging Device can not use as AC load.
In sum, existing product all can only carry out the constant-current discharge of batteries, and the purposes of product is more single, does not have handle assembly to fully utilize.
Summary of the invention
In order to overcome the needs of above defective and satisfying the market, it mainly is the four problems that solves the above-mentioned existing product of mentioning that the purpose of this utility model is to provide this patent: 1, can not compatible multi-voltage grade; 2, can not satisfy rapidly the requirement of the integration product of customization; 3, can not use as AC load; 4, product purpose is too single.
The technical scheme that the utility model is taked is:
A kind of multi-purpose intelligent Battery Discharging Device of compatible multi-voltage grade, comprise monitoring module and discharge power module group, described discharge power module group comprises the discharge power module of one or polylith parallel connection, and each described discharge power module comprises full bridge rectifier, Boost boosting unit circuit, Boost unit control circuit, PWM regulating load unit, PWM adjusting control circuit, switch regulating load unit, switching regulator control circuit and communication interface circuit; Wherein, full bridge rectifier is connected with the storage battery that needs discharge, the Boost unit control circuit is set in its voltage stabilizing value on the nominal voltage of batteries of the highest electric pressure that the electric discharge device wish satisfies, and the voltage stabilizing value that Boost boosting unit circuit working rises to setting with voltage when the device input voltage is lower than this voltage is supplied with PWM regulating load unit and the switch regulating load unit of back; When the device input voltage equals or during a little more than the voltage stabilizing value set, Boost boosting unit circuit is not worked, input voltage is equivalent to be applied directly on the PWM regulating load unit and switch regulating load unit of back; Communication interface circuit is connected with monitoring module, the instruction that the discharge power module is sent according to monitoring module comes the discharge of start stop apparatus and electric current, voltage or the temperature of controlled discharge, and the discharge power module returns to monitoring module with the work state information of oneself simultaneously.
A kind of improvement as above technical scheme, described monitoring module comprises the MCU(embedded scm), data storage element, uplink communication interface, LCD display, USB interface, input key, switching value input/output interface, the first downlink communication interface, the second downlink communication interface, monitoring module accessory power supply, wherein the first downlink communication interface is connected by the RS485 serial communication interface with the communication interface circuit of discharge power module, and the second downlink communication interface (18) and switching value input/output interface (16) connect with battery inspection device.
As a kind of improvement of above technical scheme, each described discharge power module also comprises power input interface terminal, radiator fan group, control circuit of cooling fan, control circuit working power, radiator fan group working power and working power input interface circuit.
As a kind of improvement of above technical scheme, described PWM regulating load unit and switch regulating load unit adopt ptc heater as load.
A kind of improvement as above technical scheme; described device also comprises the working power switch; working power " ac/dc " selector switch; exchange input socket; main power input switch and batteries access terminal; wherein batteries access terminal is used for discharge power supply is accessed electric discharge device; exchanging input socket is used to the device working power that the interchange input interface is provided; the input of working power " ac/dc " selector switch respectively with exchange input socket and batteries access terminal and be connected; output connects the working power input interface circuit of discharge power module and the monitoring module accessory power supply of monitoring module; the working power switch is connected between working power " ac/dc " selector switch and the monitoring module accessory power supply; the working power that is used for switching device; main power input switch is connected between the power input interface of batteries access terminal and discharge power module, for the main loop of power circuit of electric discharge device provides the control loop break-make; overcurrent protection; the function of short-circuit protection.
The beneficial effects of the utility model are:
1) device adopts input prime Boost voltage stabilizing technique, input voltage boosted and the rated voltage of the batteries of the voltage stabilizing auto levelizer highest voltage level that need to satisfy on, select the PTC of this electric pressure as load, so just can compatible this highest voltage level and the batteries of following other electric pressure, can not reduce discharge power and realize the batteries discharge of the compatible a plurality of electric pressures of a machine, can improve the utilance of equipment, reduce the user's that multiple voltage grade batteries is arranged equipment investment.
2) device adopts principal and subordinate's modular construction, can realize that standardized production can satisfy again the demand of the various nonstandard products of user's proposition rapidly.
3) the working power alternating current-direct current of device is compatible, is user-friendly to.Often be inconvenient to provide AC power in the working site of carrying out battery discharging, therefore can be directly be that the working power of electric discharge device powers with batteries be most convenient.And the user finishes discharge work and gets back to the office by often will consulting the discharge data that is stored in the electric discharge device, and the office does not have direct current, can only be the electric discharge device power supply with alternating current.What all working power supply of the device of this patent comprised that the power acquisition of cooling fan uses all is the input compatible high frequency switch power of alternating current-direct current, can be with batteries power supply also available electric main power supply, and user-friendly.
4) device can be used as the tunable load of AC power.The input of main circuit has added full bridge rectifier; can play like this counnter attack protection; prevent that the storage battery input from connecing anti-damage electric discharge device; AC rectification can be become direct current again; in addition owing to adopted input prime Boost voltage stabilizing technique that the voltage that is added on PTC is promoted; and use high-tension PTC as load, so electric discharge device also can use as the load of AC power.
5) device provides multiple control modes, except the constant current working method, also provides constant voltage, constant temperature working method, has expanded the purposes of device.But constant voltage working method handle assembly uses as the load of current source, and user's power-supply system is used as current source under some operating modes, works in the requirement to load that constant voltage mode electric discharge device can satisfy these operating modes.When electric discharge device works in thermostatic mode, connect outside temperature sensor, can be used as a constant temperature heating device and use.
6) device adopts ptc heater as load, and have: volume is little, lightweight, but not rubescent, flames of anger volitional check power during work, the advantages such as fail safe height.
7) device can connect with other devices and equipment easily with RS485 serial communication interface, switching value input/output interface, realizes " four is distant " function.
8) device is with USB interface, can be easily the record data of the parameters of device, discharge be imported in the PC computer to process.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, wherein:
Fig. 1 is functional-block diagram of the present utility model;
Fig. 2 is the principle schematic of discharge power module in the utility model.
Embodiment
As shown in Figure 1, electric discharge device provided by the utility model is comprised of monitoring module 1, working power switch 2, working power " ac/dc " selector switch 3, interchange input socket 4, main power input switch 5, batteries access terminal 6 and discharge power module group 7.Wherein, working power " ac/dc " selector switch 3 is double-point double-throw switchs; be used to each working power selection interchange or direct current as the input of power supply; batteries access terminal 6 is used for discharge power supply such as batteries are accessed electric discharge device; exchanging input socket 4 is used to each working power in the device that the interchange input interface is provided; working power switch 2 is used for each working power of switching device; main power input switch 5 provides the control loop break-make for the main loop of power circuit of electric discharge device; overcurrent protection; the function of short-circuit protection, the discharge power module 71 ~ 7n in the discharge power module group 7 and monitoring module 1 are the cores of electric discharge device.
Specifically, batteries or other power of alterating and direct current are from 6 accesses of batteries access terminal, then divide two-way, one the tunnel is that main power channels accesses main power input switch 5, another road access is for working power, belong to low-power applications, on the pair of contact of cut-in operation power supply " ac/dc " selector switch 3.The power input interface place of each discharge power module in the discharge power module group 7 is received in the output of main power input switch 5.Discharge power module group is comprised of 71 ~ 7n identical discharge power module, and n mostly is 30 most.Alternating current is from exchanging input socket 4 accesses, the output of input socket 4 receive working power " ac/dc " selector switch 3 another on the contact.The output of working power " ac/dc " selector switch 3 is received on the working power switch 2, and the working power input interface of each discharge power module in the input of the monitoring module accessory power supply 19 in the monitoring module 1 and the discharge power module group 7 is received in the output of working power switch 2.
Monitoring module 1 is by the MCU(embedded scm) 11, data storage element 110, uplink communication interface 12, LCD display 13, usb 14, input key 15, switching value input/output interface 16, the first downlink communication interface 17, the second downlink communication interface 18, monitoring module accessory power supply 19 form.
71 ~ 7n is identical for the discharge power module, all is comprised of power input interface terminal, full bridge rectifier, Boost boosting unit circuit, Boost unit control circuit, PWM regulating load unit, PWM adjusting control circuit, switch regulating load unit, switching regulator control circuit, radiator fan group, control circuit of cooling fan, control circuit working power, radiator fan working group working power, communication interface circuit, working power input interface circuit.The core of the control circuit of discharge power module also is to be made of embedded scm.
Radiator fan working group working power, control circuit working power among monitoring module accessory power supply in the monitoring module 1 and the discharge power module 7n all is the high frequency switch power of input alternating current-direct current compatibility, because the working power of device is the also available batteries power supply of available ac power supply.
Each discharge power module 71 ~ 7n in the discharge power module group 7 is relation in parallel, and the power input is in parallel, the working power input is in parallel.Their communication interface is the RS485 interface, in parallel in hand-in-hand mode by the twisted-pair feeder of communicating by letter with the first downlink communication interface 17 of monitoring module 1, this is one of two connecting relations of discharge power module group 7 and monitoring module 1, and another is that the input of both working powers also is relation in parallel.Modular construction is one of key technology of the present utility model, and above this connecting mode is the basis of realizing the electric discharge device modularized design.
Monitoring module 1 is the control centre of electric discharge device, its Main Function: arrange and also to preserve relevant parameter, comprise the parameters such as quantity, mode of operation (have constant-current discharge, constant voltage discharge, three kinds of mode of operations of constant temperature discharge selective), discharging current, discharge voltage, thermostat temperature, discharge off condition of discharge power module; Possess demonstration information, record and store the functions such as discharge data, information inquiry.The parameter that arranges and the discharge data of record all are kept in the data storage cell 110; Realize " four is distant " function by uplink communication interface 12 and switching value input/output interface; Connect with battery inspection device by the second downlink communication interface 18 and switching value input/output interface 16, receive the instruction that the battery inspection device controlled discharge stops; Control the work of whole electric discharge device, comprise the start and stop of controlled discharge, the execution of discharge mode, discharge parameter.When carrying out relevant control, 1 of monitoring module is responsible for sending dependent instruction, each discharge power module is performance element, write to each other by RS485 between them, the instruction that the discharge power module is sent according to monitoring module 1 comes the discharge of start stop apparatus and electric current, voltage or the temperature of controlled discharge, and discharge power module 71 ~ 7n returns to monitoring module 1 with the work state information of oneself simultaneously.
Here with compatible 440Vdc/80A, a 220Vdc/160A, 110Vdc/320A, and the specific embodiments that can finish the intelligent battery electric discharge device of constant current, constant voltage, three kinds of discharge modes of constant temperature is that example illustrates utility model, wherein describe with constant-current discharge pattern emphasis again, other two kinds of mode of operations can go to understand with reference to the constant current mode of operation.This device can also be used as the AC load of alternating current 220V ac power supply and use.
This device is designed to be comprised of a monitoring module and four discharge power modules, and they are installed in the movable cabinet with modular mode, and other element among Fig. 1 is directly installed in the Mobile cabinet.The functional unit of monitoring module 1 is embodied in Fig. 1, does not elaborate here.Here stress the design of discharge power module.
The principle schematic of discharge power module is seen Fig. 2, and this discharge power modular design is compatible 440Vdc/20A, 220Vdc/40A, three kinds of electric current and voltage grades of 110Vdc/80A.Discharge module is by Boost booster circuit 7-1, the coarse adjustment load 7-2 of switch control mode, the meticulous regulating load 7-3 of PWM control mode, radiator fan group 7-4, fan control unit 7-5, pwm control circuit circuit 7-6, Single Chip Microcomputer (SCM) system 7-7, input rectifying bridge 7-8, radiator fan group working power 7-9, control circuit working power 7-10, input relay 7-11(is because the power supply input of power ratio control circuit), the RS485 interface circuit 7-12 of light-coupled isolation, input current sample circuit 7-13, input voltage sample circuit 7-14, temperature controlling point temperature sampling circuit 7-15, input/output interface 7-16(comprises power input terminals, the working power input terminal, RS485 communication interface terminal) forms.
Wherein, input relay 7-11 selects the magnetism holding type relay of 220Vac/120A.Input rectifying bridge 7-8 selects the single-phase rectification bridge of 600V/200A.The voltage stabilizing value of Boost booster circuit 7-1 is set to 380V, and when input voltage was lower than 380V, Boost booster circuit 7-1 rose to input voltage and be stable at 380Vdc; When input voltage was higher than 380V, Q7 was in cut-off state all the time, and the Boost circuit is inoperative, and input voltage is directly given the load of back.Q7 uses the coolmos of 600V/150A, and D1 uses the 600V/160A soft-recovery diode.
The coarse adjustment load 7-2 of switch control mode is by the PTC heater of 5 440V/2000W (PTC1 ~ PTC5) and the MOSFET(Q1 of 5 600V/12A ~ Q5) form, MOSFET is by Single Chip Microcomputer (SCM) system 7-7 control break-make, drive the optocoupler of signal in the coarse adjustment load 7-2 of switch control mode and carry out the photoelectricity isolation, optocoupler of a passage, 5 altogether, that optocoupler is used is PC817.
The meticulous regulating load 7-3 of PWM control mode is by the PTC heater (PTC6) of 1 440V/2000W and the MOSFET(Q6 of 1 600V/20A) form, the driving signal of MOSFET carries out the photoelectricity isolation by 1 optocoupler TLP250 and pwm control circuit 7-6.
The pwm control circuit that pwm control circuit 7-6 is comprised of SG3525, Single Chip Microcomputer (SCM) system 7-7 gives its end that arranges electric current, voltage, temperature settings, input current sample circuit 7-13 actual input current sampled value, input voltage sample circuit 7-14 actual input voltage sampled value, temperature controlling point temperature sampling circuit 7-15 treating that the actual temperature sampled value of temperature controlling point all gives the feedback end of pwm control circuit 7-6.
The Single Chip Microcomputer (SCM) system that Single Chip Microcomputer (SCM) system 7-7 is comprised of the PIC18F66K80 single-chip microcomputer, it delivers to electric current, voltage, temperature settings at the end that arranges of pwm control circuit 7-6, in the time of need to carrying out constant current control current value only is set, the settings of voltage and temperature all are made as zero.Carry out constant voltage, thermostatic control also in like manner arranges.Input current sample circuit 7-13 also gives respectively 3 AD conversion inputs of Single Chip Microcomputer (SCM) system 7-7 actual input current sampled value, input voltage sample circuit 7-14 actual input voltage sampled value, temperature controlling point temperature sampling circuit 7-15 the actual temperature sampled value for the treatment of temperature controlling point.
Radiator fan group 7-4 is comprised of the fan of 6 24V.Radiator fan group working power 7-9 is the Switching Power Supply of compatible alternating current-direct current input, input voltage range 75 ~ 500Vdc/85 ~ 265Vac, output voltage 24V, power output 70W.Control circuit working power 7-10 is the Switching Power Supply of compatible alternating current-direct current input, input voltage range 75 ~ 500Vdc/85 ~ 265Vac, 4 tunnel isolation output voltages, power output 15W.Input current sample circuit 7-13 is the input current sample circuit that the Hall current sensor of 100A forms by rated current.The Isolation input voltage sampling circuit that input voltage sample circuit 7-14 is comprised of resistance pressure-dividing network and linear optical coupling HCPL7840.
The above be the utility model preferred embodiment, it does not consist of the restriction to the utility model protection range, so long as realize that with essentially identical means the purpose of this utility model all should belong to protection range of the present utility model.
Claims (5)
1. the multi-purpose intelligent Battery Discharging Device of a compatible multi-voltage grade, it is characterized in that: comprise monitoring module (1) and discharge power module group (7), described discharge power module group (7) comprises that (71 ~ 7n), (71 ~ 7n) comprise full bridge rectifier, Boost boosting unit circuit, Boost unit control circuit, PWM regulating load unit, PWM adjusting control circuit, switch regulating load unit, switching regulator control circuit and communication interface circuit to each described discharge power module for the discharge power module of one or polylith parallel connection; Full bridge rectifier is connected with the storage battery that needs discharge; Communication interface circuit is connected with monitoring module (1).
2. the multi-purpose intelligent Battery Discharging Device of compatible multi-voltage grade according to claim 1, it is characterized in that: described monitoring module (1) comprises the MCU(embedded scm) (11), data storage element (110), uplink communication interface (12), LCD display (13), USB interface (14), input key (15), switching value input/output interface (16), the first downlink communication interface (17), the second downlink communication interface (18), monitoring module accessory power supply (19), wherein (71 ~ 7n) communication interface circuit is connected by the RS485 serial communication interface the first downlink communication interface (17), and the second downlink communication interface (18) and switching value input/output interface (16) connect with battery inspection device with the discharge power module.
3. the multi-purpose intelligent Battery Discharging Device of compatible multi-voltage grade according to claim 1, it is characterized in that: (71 ~ 7n) also comprise power input interface terminal, input relay, radiator fan group, control circuit of cooling fan, control circuit working power, radiator fan group working power and working power input interface circuit to each described discharge power module.
4. the multi-purpose intelligent Battery Discharging Device of compatible multi-voltage grade according to claim 1 is characterized in that: described PWM regulating load unit and switch regulating load unit adopt ptc heater as load.
5. the multi-purpose intelligent Battery Discharging Device of compatible multi-voltage grade according to claim 1, it is characterized in that: described device also comprises working power switch (2), working power " ac/dc " selector switch (3), exchange input socket (4), main power input switch (5) and batteries access terminal (6), wherein batteries access terminal (6) connects storage battery, exchange input socket (4) and connect AC power, the input of working power " ac/dc " selector switch (3) respectively with exchange input socket (4) and batteries access terminal (6) and be connected, output connects discharge power module (the monitoring module accessory power supply (19) of 71 ~ 7n) working power input interface and monitoring module (1), working power switch (2) is connected between working power " ac/dc " selector switch (3) and the monitoring module accessory power supply (19), and main power input switch (5) is connected on batteries access terminal (6) and discharge power module (between 71 ~ 7n) the power input interface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210278941.2A CN102916477B (en) | 2012-08-06 | 2012-08-06 | Multifunctional intelligent accumulator discharge device compatible with multiple voltage grades |
| CN2012203878334U CN202798098U (en) | 2012-08-06 | 2012-08-06 | Multipurpose intelligent storage battery discharging device compatible with a plurality of voltage classes |
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| CN201210278941.2A CN102916477B (en) | 2012-08-06 | 2012-08-06 | Multifunctional intelligent accumulator discharge device compatible with multiple voltage grades |
| CN2012203878334U CN202798098U (en) | 2012-08-06 | 2012-08-06 | Multipurpose intelligent storage battery discharging device compatible with a plurality of voltage classes |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106058335A (en) * | 2016-07-04 | 2016-10-26 | 北京嘉捷恒信能源技术有限责任公司 | Battery discharge device and battery discharge method |
| US11424504B2 (en) | 2019-08-09 | 2022-08-23 | Techtronic Cordless Gp | Battery pack support portion configured to accommodate multiple different device interfaces |
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| CN103715742B (en) * | 2014-01-08 | 2015-11-04 | 长兴茗扬电子科技有限公司 | A kind of four road storage battery heavy-current discharge instrument |
| CN106199528A (en) * | 2016-08-01 | 2016-12-07 | 合肥佳瑞林电子技术有限公司 | A kind of radar power system with multi-path choice |
| CN106785113A (en) * | 2016-12-19 | 2017-05-31 | 贵州医科大学 | Chargeable intelligent distant control battery |
| CN107144796B (en) * | 2017-07-01 | 2023-05-09 | 广东电网有限责任公司惠州供电局 | Feedback type storage battery pack nuclear capacity discharging device and application method |
| GB201815490D0 (en) * | 2018-09-24 | 2018-11-07 | Entrust Microgrid Llp | Charging apparatus for the use in an electric vehicle charging system |
| TR202004183A2 (en) * | 2020-03-17 | 2021-09-21 | Izmir Yueksek Teknoloji Enstituesue Rektoerluegue | A NEW GENERATION RECHARGEABLE SINGLE CELL BATTERY |
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| JP2710575B2 (en) * | 1995-01-13 | 1998-02-10 | 埼玉日本電気株式会社 | Charging device |
| CN102130578A (en) * | 2011-01-11 | 2011-07-20 | 张太平 | Direct-current power supply containing storage battery feedback discharging loop |
| CN201956727U (en) * | 2011-03-28 | 2011-08-31 | 国电南瑞科技股份有限公司 | Heavy current and constant current discharging device of parallel type storage battery |
| CN102280916B (en) * | 2011-06-23 | 2013-10-30 | 北京华辰北斗信息技术有限公司 | Power supply module compatible with plurality of batteries and GPS receiving equipment |
| CN102324582B (en) * | 2011-08-12 | 2013-10-02 | 重庆东电通信技术有限公司 | Intelligent maintenance device of multifunctional lead-acid battery and capacity prediction method |
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2012
- 2012-08-06 CN CN201210278941.2A patent/CN102916477B/en active Active
- 2012-08-06 CN CN2012203878334U patent/CN202798098U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058335A (en) * | 2016-07-04 | 2016-10-26 | 北京嘉捷恒信能源技术有限责任公司 | Battery discharge device and battery discharge method |
| US11424504B2 (en) | 2019-08-09 | 2022-08-23 | Techtronic Cordless Gp | Battery pack support portion configured to accommodate multiple different device interfaces |
| US11916245B2 (en) | 2019-08-09 | 2024-02-27 | Techtronic Cordless Gp | Battery pack support portion configured to accommodate multiple different device interfaces |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102916477A (en) | 2013-02-06 |
| CN102916477B (en) | 2015-02-25 |
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