CN203572940U - High-precision charging and discharging test instrument capable of supporting arbitrary multi-channel parallel connection - Google Patents
High-precision charging and discharging test instrument capable of supporting arbitrary multi-channel parallel connection Download PDFInfo
- Publication number
- CN203572940U CN203572940U CN201320763521.3U CN201320763521U CN203572940U CN 203572940 U CN203572940 U CN 203572940U CN 201320763521 U CN201320763521 U CN 201320763521U CN 203572940 U CN203572940 U CN 203572940U
- Authority
- CN
- China
- Prior art keywords
- test instrument
- channel
- charge
- discharge
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 238000007599 discharging Methods 0.000 title abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 23
- 239000003990 capacitor Substances 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000013307 optical fiber Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 51
- 230000008569 process Effects 0.000 abstract description 47
- 238000003860 storage Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000009499 grossing Methods 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 11
- 239000000178 monomer Substances 0.000 description 11
- 238000001816 cooling Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000011112 process operation Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012812 general test Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Abstract
The utility model relates to a high-precision charging and discharging test instrument capable of supporting arbitrary multi-channel parallel connection. The high-precision charging and discharging test instrument capable of supporting the arbitrary multi-channel parallel connection comprises a cabinet body frame, and at least one charging and discharging channel which is arranged on the cabinet body frame; the charging and discharging channel includes a main circuit and a control circuit which are connected with each other; the main circuit comprises a multiple-secondary-side transformer and a charging and discharging module which is connected with the transformer; and the test instrument also comprises an input smoothing unit, an output smoothing unit, and a pre-charging unit which are installed on the cabinet body frame and are formed by an inductor and a capacitor, and each unit is is connected by cables with the charging and discharging module, an input contactor, and an output contactor. The utility model has the following advantages that: 1, the multi-channel independent operation or arbitrary parallel connection are supported, each performance index after the parallel connection is not reduced, and the measurement accuracy reaches 0.1%; 2, the multi-channel redundant protection is used, and the system reliability is greatly enhanced; and 3, the independent large capacity storage process controller is used, so that the process is guaranteed not to be interrupted when the communication is interrupted, and the data loss is avoided.
Description
Technical field
The utility model relates to a kind of high precision charge-discharge test instrument, especially relates to a kind of high precision charge-discharge test instrument of supporting any multi-channel parallel.
Background technology
Charge-discharge test instrument is checkout equipment important in battery production process, is mainly used to detect battery performance, carries out chemical synthesis technology experiment.General test instrument all possesses establishment and issues chemical synthesis technology, and tested object is implemented to charge and discharge algorithm, and real-time process data show, the function of historgraphic data recording.The at present charge/discharge test device in industry, in the output situation of high-power on an equal basis (more than grade 200KW), employing be single channel or binary channels output.And a lot of testers also face problems such as cannot carrying out full power output, output overshoot, observing and controlling loss of significance in situation in parallel.Secondly, between all parts of the tester in industry, communication adopts single, and the function of process controller is simple, so once interference is received in the communication between all parts, it is to be repaired that whole equipment will have to shut down, to production, brings very large loss.And host computer and the test cabinet communicating interrupt of generally carrying out remote monitoring, technology controlling and process part only can maintain the implementation data that records the short time, causes experimental data to lose.
The high-power charge-discharge test instrument of tradition Shortcomings in actual production process, first because its congenital architecture design causes supporting any passage parallel connection and independent operating, when user exists the electric battery of multiple capacity to test, client must determine according to the max cap. in all electric battery products the single channel capacity of equipment.After buying, even when client will carry out chemical synthesis technology to small-capacity cells, also have to take a high-power passage, waste channel resource, made cost high.And in Multi-channel parallel connection when operation, can cause its observing and controlling precise decreasing, exists and cannot carry out full power output, the technical matterss such as output overshoot.Secondly the inside of traditional tester adopts single channel communication mode, and technology controlling and process partial function weakens, thereby causes system reliability of operation in the situation that there is interference to decline.The utility model is for overcoming these deficiencies; guaranteeing under the prerequisite of reliability and maintenanceability; a kind of novel charge-discharge test instrument is provided; there is following characteristics 1. and support to have adopted multi-channel redundant resist technology between any output in parallel of hyperchannel and observing and controlling high precision free of losses 2. each parts, can avoid loss of data and process operation to interrupt.3. adopt independently process controller, when host computer and power cabinet communicating interrupt, can keep process data not lose, technique is not interrupted.
Utility model content
This practical purpose is, overcome prior art shortcoming, a kind of high precision charge-discharge test instrument of supporting any multi-channel parallel is provided, can support hyperchannel independent or in parallel arbitrarily, and performance index free of losses after in parallel, still support non-overshoot output, independent and observing and controlling precision in parallel reaches per mille; Adopt multi-channel redundant resist technology, in the communication failure situation of main channel, automatically switched to alternate channel, can avoid loss of data and process operation to interrupt; Adopt independent process controller, support large capacity storage, when host computer and charge-discharge test instrument communicating interrupt, still can guarantee that technique continues to carry out, and save data, after recovering, communication supports automatically to upload, avoid loss of data.
The technical solution of the utility model is:
A high precision charge-discharge test instrument of supporting any multi-channel parallel, comprises cabinet body frame, and be arranged on cabinet body frame at least one discharge and recharge passage, described in discharge and recharge passage and comprise interconnective main circuit and control circuit; The charge-discharge modules that described main circuit comprises the transformer of secondary more than and is connected with transformer; Tester also comprises and is arranged on the input filter unit, output filtering unit, the precharge unit that on cabinet body frame, inductance and electric capacity, consist of, between each unit and charge-discharge modules and input, output contactor, by cable, is connected.
Further technical scheme is;
The high precision charge-discharge test instrument of any multi-channel parallel of described support, described transformer comprises limit, a source, and at least one secondary; The secondary of transformer connect filter inductance and and connect filter capacitor, the inductance of transformer itself and input filtering electric capacity and filter inductance composition LCL wave filter, transformer secondary connects after three pole reactor, three pole reactor output connects charge-discharge modules.
The high precision charge-discharge test instrument of any multi-channel parallel of described support, described in comprise three IGBT modules for rectification and three IGBT modules for exporting; Three composition of the IGBT module for rectification three phase isolated grid bipolar transistor bridges, each brachium pontis is each 1 insulated gate bipolar transistor up and down, is responsible for the three-phase alternating current of input, through high-frequency rectification, be direct current; In module, the DC terminal of insulated gate bipolar transistor connects by stack bus bar; Busbar is connected to the DC output end of insulated gate bipolar transistor; Support Capacitor group connects the positive and negative level of busbar; Supporting, above capacitance group, support is installed, the control panel of using with data transmission for controlling is also installed on support, the insulated gate bipolar transistor of output terminal connects output lead through overcurrent fuse, after fixing, connects the object being discharged and recharged by terminal.
The high precision charge-discharge test instrument of any multi-channel parallel of described support, the control circuit of tester comprises that one for sending the dsp board of PWM ripple signal and two for driving the drive plate of IGBT module; Described two drive plates comprise that a main drive plate and one are from drive plate; On the dsp board of described control circuit, there is can bus and optical fiber transceiving device; Tester discharge and recharge passage by fiber-optic signal and can bus as communication and synchronizing channel.
Know-why of the present utility model is:
Each independently main circuit of the present utility model and control circuit can form one and discharge and recharge passage.Process controller can be controlled multiple passages that discharge and recharge as individual components simultaneously, so multiple passage can be according to user's needs, carries out in parallel or independent combination of exporting arbitrarily on process controller.Any parallel connection of passage has increased the different brackets of the power of output, can mate the battery of different capabilities.And passage, after parallel connection, can be realized synchronous output non-overshoot, and the performance index such as observing and controlling precision can not decline.In addition between each parts of tester, adopted the automatic resist technology of hyperchannel, in the situation that master channel breaks down, can automatically switch to alternate channel, thereby avoid instruction and data transmission fault.
The main circuit of charge-discharge test instrument and control circuit form one and independently discharge and recharge passage, and multiple passages that discharge and recharge can be as required, configures it and work alone or any amount parallel connection on process controller or host computer.Discharging and recharging between passage uses optical fiber to be connected with can bus.Process controller is individual components, and a process controller can be controlled multiple passages that discharge and recharge, and can arbitrary disposition is multiple discharges and recharges passage independent operating or parallel running relation, thereby realized flexible configuration in parallel by process controller.During Multi-channel parallel connection output, by process controller, the electric current of parallel connection output is calculated, be assigned to and participate in passage in parallel, issue enabled instruction to participating in passage in parallel simultaneously.Participate in passage in parallel according to the current value of enabled instruction and setting, to discharging and recharging object, implement charge and discharge algorithm, in the process of implementing process, guarantee output terminal non-overshoot in parallel, the index nondestructives such as response time and observing and controlling precision lose, and still can reach millesimal observing and controlling high precision.
Communication between all parts of charge-discharge test instrument has adopted hyperchannel resist technology.Wherein each independently discharges and recharges between passage, comprise and be not limited to adopt that optical fiber is interconnected is connected with forms such as can buses, while needing output in parallel, multiple output channels all can be received the output order in parallel issuing from process controller, multiple passages carry out synchronizing signal by for example optical fiber of master channel, realize output non-overshoot in parallel, control the precision free of losses of output simultaneously.And break down once master channel, for example can bus of accessory channel automatically switches and starts, and continues to transmit synchronizing signal, thereby avoids communication failure to cause system-down.Between process controller and battery cell checkout equipment, also adopted principal and subordinate's passage, use under normal circumstances and primaryly carry out communication as Ethernet, when Ethernet is disturbed while causing monomer data to gather, automatically enable accessory channel and carry out data acquisition as 485 buses.Process controller and discharging and recharging also adopts master channel to carry out redundancy backup as 485 buses as can bus and accessory channel between passage.
The process controller of charge-discharge test instrument is as individual components, employing realizes for example panel computer or industrial computer with the calculation processing unit of large capacity storage, and the real-time detector data and the control information that in technique implementation, produce pass to host computer by process controller by Ethernet.When the communication that discharges and recharges part when host computer and tester is broken down and caused communicating interrupt, process controller can be taken over host computer function, can complete the similar technics institution of same host computer, issue, the function that data show in real time on process controller.Real time data to be uploaded is stored in the large capacity storage of process controller inside.Once process controller is used handshake to find that the communication between host computer recovers normal, process controller uploads to the process data temporarily leaving in local storage on host computer automatically, thereby guarantees test data free of losses and continuity.And because process controller has adopted large capacity storage, even if host computer and the long-time communicating interrupt of test cabinet can not cause loss of data yet.
The utlity model has following advantage: 1. support hyperchannel independent or in parallel arbitrarily, and also performance index free of losses after in parallel, still support non-overshoot output, independent and observing and controlling precision in parallel reaches per mille.2. adopt multi-channel redundant resist technology, in the communication failure situation of main channel, automatically switched to alternate channel, can avoid loss of data and process operation to interrupt.3. adopt independent process controller, support large capacity storage, when host computer and charge-discharge test instrument communicating interrupt, still can guarantee that technique continues to carry out, and save data, after recovering, communication supports automatically to upload, avoid loss of data.
Accompanying drawing explanation
Fig. 1 is tester electrical schematic diagram.
Fig. 2 is the front elevation of tester.
Fig. 3 is the rear view of tester.
Fig. 4 is the main TV structure schematic diagram that charge-discharge modules is arranged.
Fig. 5 is the plan structure schematic diagram of Fig. 4.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
In figure, Support Capacitor 1, high-frequency absorption electric capacity 2, power busbar 3, buffer capacitor 4, IGBT device 5, bus 6, socket 7, electric connector 8, cooling fan 9, support 10, output filter capacitor 11, input filter capacitor 12, pre-charge resistance 13, heating radiator 14, air channel 15, transformer 16, input inductance 17, outputting inductance 18.The main circuit part of tester comprises the transformer 1 of secondary more than, the charge-discharge modules 2 of multiple symmetries.Tester also comprises and is arranged on the input filter unit 3, output filtering unit 4, the precharge unit 5 that on cabinet body frame, inductance and electric capacity, consist of.Between each unit and charge-discharge modules 2 and each contactor 6, by cable, be connected.Also have cooling heat radiation system 7 and high precision detecting sensor 8.The control circuit part of tester comprises control hardware 9, control hardware is rack-mount, by wire, be connected with sensor and IGBT device drive end, from sensor, collect associated electrical signals, through controlling to send after software analysis is processed, cut-off control signal and control IGBT device output.Control hardware is connected with the process controller that user carries out process task processing by communication network and communication bus, the process operation instruction that receiving process controller issues.Process controller is connected with the testing apparatus of the host computer of monitoring and monomeric charge detection by Ethernet or bus mode, the technical papers that host computer is issued resolves to technological order and issues control hardware, receive the electric signal that control hardware and monomer checkout equipment gather, for controlling processing simultaneously.
Tester passage is comprised of channel main circuit part and control circuit.
The transformer that the main circuit of tester comprises is limit, a source, multiple secondary forms.Tester has several passages just to have several secondary, the secondary of transformer connect filter inductance and and connect filter capacitor, the inductance of transformer itself and input filtering electric capacity and filter inductance composition LCL wave filter, the harmonic component producing in the time of can effectively reducing rear end IGBT device rectification.The formation of the input filter of each passage is identical.After the three pole reactor that transformer secondary connects, three pole reactor output connects multiple charge-discharge modules, and wherein charge-discharge modules comprises four IGBT2.1,2.2 modules.In four IGBT modules, three modules 2.1 are responsible for rectification, and a module 2.2 is responsible for output.The IGBT module composition three-phase IGBT bridge of three responsible rectifications, each brachium pontis is each 1 IGBT up and down, is responsible for the three-phase alternating current of input, through high-frequency rectification, be direct current.In module, the DC terminal of IGBT connects by stack bus bar.Busbar is connected to the DC output end of IGBT device.2.3 groups of positive and negative levels of connection busbar of Support Capacitor.Supporting, above capacitance group, support is installed, the control panel of using with data transmission for controlling is also installed on support, be responsible for output high-frequency rectification signal to IGBT device, in order to control the busbar voltage after rectification.Meanwhile, control panel is also exported the IGBT of copped wave model to DC output end, by the mode of copped wave, the varying DC link voltage on busbar is exported to the output voltage needing.The IGBT of output terminal connects output lead through overcurrent fuse 10, and after fixing by terminal, output terminal can connect the object being discharged and recharged as battery, super capacitor etc.
The control circuit of tester comprises dsp board, drive plate, and each autonomous channel comprises a DSP control panel and two drive plates, a main drive plate in two drive plates, and one from drive plate.PWM ripple signal sends from dsp board, issues main drive plate, and passes to from drive plate by main driving with from the winding displacement between drive plate.Every drive plate is responsible for sending out and is driven signal, drives 2 IGBT devices in its vicinity.On the dsp board of control circuit, there is can bus and optical fiber transceiving device.Each passage of tester by fiber-optic signal and can bus as communication and synchronizing channel.
The process controller of charge-discharge test instrument, is the equipment that independently possesses calculation processing unit, by bus interface, as can, is connected with control circuit with 485, issues and discharges and recharges instruction to control circuit.Meanwhile, process controller is connected with monomer detection system and host computer as 485 interfaces as Ethernet and bus interface by communication network.Process controller is not only responsible for the parsing of technical papers and is discharged and recharged issuing of instruction, can also carry out the functions such as technical papers establishment issues, technological process control, and process controller can also configure independence and parallel connection between any number of passages.When host computer and device talk interrupt, process controller can be stored real-time detector data temporarily, once and after the communication between host computer recovers, process controller uploads to the test data of temporarily preserving therein on host computer again.Simultaneously process controller also possesses and rushes external standard interface as can more,, 232,485 etc., be convenient to interconnect with other equipment of the external world.
The monomer checkout equipment of charge-discharge test instrument, can, according to user's demand, independently become cabinet or be integrated in the cabinet of tester.Monomer checkout equipment is comprised of multiple box checkout equipments, and wherein each detection case comprises a communication management plate, polylith monomer voltage check-out console, polylith monomer temperature check-out console composition.Each monomer checkout equipment is connected with the process controller of test cabinet by communication management expanded metals mouth, and both sides adopt ethernet communication, and monomer information is delivered on process controller.Monomer checkout equipment also has 485 interfaces simultaneously, take 485 as alternate channel transmission monomer information is to process controller.
The host computer of charge-discharge test instrument, by computer with network interface, desk-top or notebook forms, by Ethernet, be connected with process controller, the charge-discharge test instrument upper computer software moving on host computer, software mainly completes battery pack information monitoring, electric battery basic information management, battery pack information shows, electric battery control and management, electric battery calibration management, process management, the functions such as record management.
The cooling heat radiation system of whole charge-discharge test instrument comprises heating radiator (7.1), is arranged on the cooling fan (7.2) at top and the air channel (7.3) of using for air-out.Each passage of tester comprises the cooling heat radiation system of an independent completion.Directly over tester transformer and input LCL wave filter, also have an one or more blower fan for dispelling the heat simultaneously, below transformer, be also useful on the blower fan of heat transmission.IGBT device for high-frequency rectification and copped wave is all fixedly mounted on heating radiator, bonding by heat-conducting silicone grease between the radiating surface of IGBT and heating radiator.
Technical parameter of the present utility model below:
The channel power rate density of the utility model charge-discharge test instrument is: the output power of each passage is 1125kW, and its volume is 600mm*800mm*500mm.
Measurement and the control accuracy of the utility model charge-discharge test instrument are: 0.1% of FS.
The declared working condition power factor of the utility model charge-discharge test instrument is 99%.
The total harmonic component of declared working condition electric current of the utility model charge-discharge test instrument is 4.5%.
The output current of the utility model charge-discharge test instrument from 0 to full scale required time in 50ms.
Multiple passage that discharges and recharges of the present utility model, by parallel combination, can meet the requirement of different capacity grade battery testing.
Of the present utility model multiple discharge and recharge passage when in parallel above technical indicator all can not reduce.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as Support Capacitor 1, high-frequency absorption electric capacity 2, power busbar 3, buffer capacitor 4, IGBT device 5, bus 6, socket 7, electric connector 8, cooling fan 9, support 10, output filter capacitor 11, input filter capacitor 12, pre-charge resistance 13, heating radiator 14, air channel 15, transformer 16, input inductance 17, outputting inductance 18 herein, do not got rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (4)
1. support the high precision charge-discharge test instrument of any multi-channel parallel, it is characterized in that, comprise cabinet body frame, and be arranged on cabinet body frame at least one discharge and recharge passage, described in discharge and recharge passage and comprise interconnective main circuit and control circuit; The charge-discharge modules that described main circuit comprises the transformer of secondary more than and is connected with transformer; Tester also comprises and is arranged on the input filter unit, output filtering unit, the precharge unit that on cabinet body frame, inductance and electric capacity, consist of, between each unit and charge-discharge modules and input, output contactor, by cable, is connected.
2. a kind of high precision charge-discharge test instrument of supporting any multi-channel parallel according to claim 1, is characterized in that, described transformer comprises limit, a source, and at least one secondary; The secondary of transformer connect filter inductance and and connect filter capacitor, the inductance of transformer itself and input filtering electric capacity and filter inductance composition LCL wave filter, transformer secondary connects after three pole reactor, three pole reactor output connects charge-discharge modules.
3. a kind of high precision charge-discharge test instrument of supporting any multi-channel parallel according to claim 2, it is characterized in that, described in comprise three IGBT modules for rectification and three IGBT modules for exporting; Three composition of the IGBT module for rectification three phase isolated grid bipolar transistor bridges, each brachium pontis is each 1 insulated gate bipolar transistor up and down, is responsible for the three-phase alternating current of input, through high-frequency rectification, be direct current; In module, the DC terminal of insulated gate bipolar transistor connects by stack bus bar; Busbar is connected to the DC output end of insulated gate bipolar transistor; Support Capacitor group connects the positive and negative level of busbar; Supporting, above capacitance group, support is installed, the control panel of using with data transmission for controlling is also installed on support, the insulated gate bipolar transistor of output terminal connects output lead through overcurrent fuse, after fixing, connects the object being discharged and recharged by terminal.
4. a kind of high precision charge-discharge test instrument of supporting any multi-channel parallel according to claim 3, it is characterized in that, the control circuit of tester comprises that one for sending the dsp board of PWM ripple signal and two for driving the drive plate of IGBT module; Described two drive plates comprise that a main drive plate and one are from drive plate; On the dsp board of described control circuit, there is can bus and optical fiber transceiving device; Tester discharge and recharge passage by fiber-optic signal and can bus as communication and synchronizing channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320763521.3U CN203572940U (en) | 2013-11-28 | 2013-11-28 | High-precision charging and discharging test instrument capable of supporting arbitrary multi-channel parallel connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320763521.3U CN203572940U (en) | 2013-11-28 | 2013-11-28 | High-precision charging and discharging test instrument capable of supporting arbitrary multi-channel parallel connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203572940U true CN203572940U (en) | 2014-04-30 |
Family
ID=50540667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320763521.3U Expired - Lifetime CN203572940U (en) | 2013-11-28 | 2013-11-28 | High-precision charging and discharging test instrument capable of supporting arbitrary multi-channel parallel connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203572940U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360283A (en) * | 2014-11-24 | 2015-02-18 | 杭州得康蓄电池修复仪有限公司 | Lithium battery detection system and device and detection boards |
| CN105911479A (en) * | 2016-04-21 | 2016-08-31 | 中国船舶重工集团公司第七〇二研究所 | High-voltage high-power power battery test equipment |
| CN109491341A (en) * | 2018-11-28 | 2019-03-19 | 北京迈斯康特测控技术有限公司 | Monitoring and data analysis system for oil field operation equipment |
| CN109507986A (en) * | 2018-11-28 | 2019-03-22 | 北京迈斯康特测控技术有限公司 | Long-distance monitoring method for oil field operation equipment |
| CN109507924A (en) * | 2018-11-28 | 2019-03-22 | 北京迈斯康特测控技术有限公司 | Remote monitoring system for oil field operation equipment |
| CN109752658A (en) * | 2017-11-03 | 2019-05-14 | 致茂电子(苏州)有限公司 | Battery tester and battery testing method |
| CN114422287A (en) * | 2021-12-09 | 2022-04-29 | 福建星云电子股份有限公司 | Microsecond-level charging and discharging synchronous control method and system |
-
2013
- 2013-11-28 CN CN201320763521.3U patent/CN203572940U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360283A (en) * | 2014-11-24 | 2015-02-18 | 杭州得康蓄电池修复仪有限公司 | Lithium battery detection system and device and detection boards |
| CN104360283B (en) * | 2014-11-24 | 2018-05-18 | 杭州得康蓄电池修复仪有限公司 | Lithium battery detecting system and equipment and detection plate |
| CN105911479A (en) * | 2016-04-21 | 2016-08-31 | 中国船舶重工集团公司第七〇二研究所 | High-voltage high-power power battery test equipment |
| CN109752658A (en) * | 2017-11-03 | 2019-05-14 | 致茂电子(苏州)有限公司 | Battery tester and battery testing method |
| CN109752658B (en) * | 2017-11-03 | 2021-06-29 | 致茂电子(苏州)有限公司 | Battery testing device and battery testing method |
| CN109491341A (en) * | 2018-11-28 | 2019-03-19 | 北京迈斯康特测控技术有限公司 | Monitoring and data analysis system for oil field operation equipment |
| CN109507986A (en) * | 2018-11-28 | 2019-03-22 | 北京迈斯康特测控技术有限公司 | Long-distance monitoring method for oil field operation equipment |
| CN109507924A (en) * | 2018-11-28 | 2019-03-22 | 北京迈斯康特测控技术有限公司 | Remote monitoring system for oil field operation equipment |
| CN114422287A (en) * | 2021-12-09 | 2022-04-29 | 福建星云电子股份有限公司 | Microsecond-level charging and discharging synchronous control method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203572940U (en) | High-precision charging and discharging test instrument capable of supporting arbitrary multi-channel parallel connection | |
| CN102130612B (en) | Integrated control sub-module board for simulating multi-level modular converter (MMC) sub-module | |
| CN102621501B (en) | System and method for testing temperature rise and efficiency under rated power of high-power photovoltaic inverter | |
| CN203574421U (en) | Common direct current bus charging and discharging system | |
| WO2015081897A1 (en) | Device and method for testing steady-state operation of mmc flexible direct current sub-module | |
| CN101639514B (en) | Detecting device for detecting IGBT | |
| US11095131B2 (en) | Battery management system and energy storage power station | |
| CN105762895A (en) | Battery management system and battery management method | |
| CN102664433A (en) | Cell equalization system based on bidirectional DC/DC | |
| CN102629778A (en) | Multi-system modularization emergency power supply (EPS) | |
| CN102157952A (en) | Intelligent storage battery discharge energy-saving device for constant-current multi-loop feedback power grid | |
| CN110011344B (en) | Energy storage system and control method thereof | |
| CN203352454U (en) | Voltage-type high-frequency constant current source | |
| CN102957196A (en) | Inverter and charger integrated modularization H-bridge cascade stage UPS (uninterrupted power supply) single/three-phase system | |
| CN202285349U (en) | Multi-system modularized emergency power supply (EPS) | |
| CN103219795A (en) | High-voltage and high-power uninterruptible power supply device | |
| CN209860604U (en) | Energy storage system | |
| CN102621498B (en) | Online monitoring system for variable-pitch battery pack of wind-driven generator | |
| CN203301221U (en) | High voltage high power uninterrupted power supply device | |
| CN205231540U (en) | Intelligence hot plug power is listed as cabinet | |
| CN206389119U (en) | A kind of SVG control systems for multistage bus | |
| CN103576034A (en) | Detection device of charger power module | |
| CN107591791A (en) | A kind of micro-grid system based on DC energy source router | |
| CN202997658U (en) | Inverter and charger integrally modularized H-bridge cascade UPS single/three-phase system | |
| CN203674727U (en) | Photovoltaic inverter system with signal control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |