CN203014425U - Storage battery assembly and charging device thereof - Google Patents
Storage battery assembly and charging device thereof Download PDFInfo
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- CN203014425U CN203014425U CN 201220666186 CN201220666186U CN203014425U CN 203014425 U CN203014425 U CN 203014425U CN 201220666186 CN201220666186 CN 201220666186 CN 201220666186 U CN201220666186 U CN 201220666186U CN 203014425 U CN203014425 U CN 203014425U
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- charging
- battery pack
- positive
- circuit
- cell assembly
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Abstract
The utility model relates to a storage battery assembly. The storage battery assembly comprises a charging DC/DC and a battery managing device, wherein the charging DC/DC is connected with a battery pack, an external power supply charges the battery pack through the charging DC/DC, the battery managing device is respectively connected with the charging DC/DC and the battery pack, the battery managing device monitors a state of the battery pack, controls the charging DC/DC for charging the battery pack and controls discharging of the battery pack, and the battery pack, the charging DC/DC and the battery managing device are integrated in a casing of the storage battery assembly. The storage battery assembly has a function of self-monitoring of the state of the battery pack and adjusts a charging mode and charging current for charging of the battery pack, so the storage battery assembly has a function of intelligent charging. In an electric car, the storage battery assembly has functions of self-monitoring and self-control of charging and discharging, so when a power battery charges the storage battery assembly, the storage battery assembly completely can realize control through the self-contained battery managing device and the charging DC/DC.
Description
Technical field
The utility model relates to the storage battery field, relates in particular to a kind of accumulator cell assembly and charging device thereof.
Background technology
General storage battery comprises battery pack, but internal storage battery does not comprise and discharges and recharges control module and to the detection module of battery pack, therefore when traditional charger is given above-mentioned charge in batteries, because traditional charger does not have the Real-Time Monitoring battery condition, realizes the function of intelligent charge, so there is undercharge in storage battery or overcharges in charging process risk, cause the pole plate of storage battery aging ahead of time, in addition, can not according to the real-time status of storage battery, take different charge modes and charging current.On the other hand, in pure electric automobile, electrokinetic cell in car is given general charge in batteries, rely on the BMS of car load ECU and car load to control the mode that charges a battery fully, like this, if change arbitrarily above-mentioned storage battery, can cause storage battery and car load ECU and the unmatched problem of car load BMS, electrokinetic cell can't be charged normal by accumulators.
Summary of the invention
Technical problem to be solved in the utility model is can not the Real-Time Monitoring battery condition for the storage battery of prior art itself, problem that can not intelligent charge, provide a kind of can the Real-Time Monitoring battery condition, realize accumulator cell assembly and the charging device thereof of intelligent charge.
Above-mentioned technical problem of the present utility model is achieved by the following technical programs: a kind of accumulator cell assembly comprises: battery pack; Charging DC/DC, described charging DC/DC is connected with described battery pack, and external power source passes through charging DC/DC to batteries charging; Battery manager, described battery manager are connected with battery pack with charging DC/DC respectively, and described battery manager monitoring battery pack state is controlled described charging DC/DC to batteries charging, and controlled described battery power discharge; Described battery pack, charging DC/DC and battery manager are integrated in the housing of accumulator cell assembly.
Further, described charging DC/DC comprises the DC relay, and described battery manager is used for triggering DC relay conducting or disconnection, and then controls charging DC/DC to the different charging current of battery pack output.
Further, the first electrode of described battery pack connects the positive pole of external power source, and the second electrode of battery pack connects the negative pole of external power source; The first input end of described charging DC/DC connects the positive pole of external power source, and the first output connects the negative pole of external power source, and the second input of described charging DC/DC is connected with battery manager, and the second output of described charging DC/DC is connected with battery pack; Described battery manager connects respectively positive pole and the negative pole of external power source; Be provided with the counnter attack diode between the first electrode of described battery pack and the positive pole of external power source.
Further, described battery pack is ferric phosphate lithium cell.
The utility model further provides a kind of charging device, comprising: A.C. contactor, rectifier filter and power converter also comprise above-mentioned accumulator cell assembly.
Further, comprise: control unit, described control unit is connected with the battery manager of accumulator cell assembly, be used for receiving the state information of battery pack, described control unit is connected with power converter, be used for gathering electric current and the information of voltage of power converter output, and required electric current and the voltage of power ratio control transducer output accumulator cell assembly;
further, comprise: the both positive and negative polarity transducer, described both positive and negative polarity transducer comprises: main circuit and selection circuit, be used for to gather the both positive and negative polarity acquisition module of main circuit positive-negative polarity and be arranged on main circuit and select both positive and negative polarity selector switch between circuit, described selection circuit comprises the first circuit and the 4th circuit that jointly is connected in the accumulator cell assembly positive pole and second circuit and the tertiary circuit that jointly is connected in the accumulator cell assembly negative pole, described both positive and negative polarity selector switch is used for simultaneously main circuit being connected respectively with tertiary circuit with the first circuit, perhaps be used for simultaneously main circuit being connected respectively with the 4th circuit with second circuit,
Further, described both positive and negative polarity selector switch comprises control module, and described control module is used for receiving both positive and negative polarity acquisition module feedack, and controls the action of both positive and negative polarity selector switch.
A kind of accumulator cell assembly according to the utility model provides comprises: battery pack; Charging DC/DC, described charging DC/DC is connected with described battery pack, and external power source passes through charging DC/DC to batteries charging; Battery manager, described battery manager are connected with battery pack with charging DC/DC respectively, and described battery manager monitoring battery pack state is controlled described charging DC/DC to batteries charging, and controlled described battery power discharge; Described battery pack, charging DC/DC and battery manager are integrated in the housing of accumulator cell assembly, above-mentioned accumulator cell assembly has increased battery manager and charging DC/DC on the basis of original battery pack, therefore accumulator cell assembly self has the state of monitoring battery pack, adjustment is to charge mode and the charging current of batteries charging, thereby possesses the function of intelligent charge; In pure electric vehicle, accumulator cell assembly self has monitoring and controls the function that discharges and recharges, therefore when electrokinetic cell accumulators assembly charges, accumulator cell assembly can rely on the battery manager of self and charging DC/DC to control fully, avoided causing accumulator cell assembly and car load ECU and car load BMS not to mate because change accumulator cell assembly the problem that electrokinetic cell can't the accumulators assembly be charged normal.
In addition, a kind of charging device that provides according to the utility model, comprise: A.C. contactor, rectifier filter and power converter, also comprise above-mentioned accumulator cell assembly, described charging device is in charging process, state that can the Real-Time Monitoring battery pack, and adjust charge mode and charging current according to above-mentioned state, realize intelligent charge.
Description of drawings
Fig. 1 is accumulator cell assembly internal electrical connection layout in a kind of embodiment of the utility model.
Fig. 2 is charging device electrical connection graph in a kind of embodiment of the utility model.
Fig. 3 is both positive and negative polarity converter inside circuit diagram in a kind of embodiment of the utility model.
Embodiment
For technical problem, technical scheme and beneficial effect that the utility model is solved clearer, below in conjunction with drawings and Examples, the utility model is further elaborated, be to be understood that, specific embodiment described herein is only in order to explaining the utility model, and is not used in restriction the utility model.
In description of the present utility model, it will be appreciated that, term " on ", the orientation of the indications such as D score, " left side ", " right side ", " vertically ", " level ", 'fornt', 'back', " interior ", " outward " or position relationship be orientation or position relationship based on accompanying drawing, only the utility model and simplified characterization for convenience of description, rather than indicate or hint that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as restriction of the present utility model.
Accumulator cell assembly internal electrical connection layout in a kind of embodiment of the utility model as shown in Figure 1, described accumulator cell assembly comprises a positive pole 301 and a negative pole 302, described anodal 301 are used for being connected with the positive pole 201 of external power source 200, and described negative pole 302 is used for being connected with the negative pole 202 of external power source 200.Described accumulator cell assembly 100 comprises battery pack 101, charging DC/DC102 and battery manager 103.Described battery pack 101 is ferric phosphate lithium cell, is composed in series by 4 batteries monomers, and battery pack 101 voltage under full power state is between 13.6V to 14.4V.
Described charging DC/DC102 is connected with described battery pack 101, external power source 200 charges to battery pack 101 by charging DC/DC102, charging DC/DC102 is controlled by battery manager 103, adjusts the charge mode of battery pack 101 and changes charging current to battery pack 101.As preferably, described charging DC/DC102 comprises DC relay 104, described battery manager 103 is used for triggering DC relay 104 conductings or disconnection, and then control charging DC/DC102 to the battery pack 101 different charging currents of output, further, battery manager 103 is controlled DC relay 104 ON time and the proportionate relationship of opening time, changes the duty ratio of charging DC/DC102 output current, thereby changes the size of charging current.
Described battery manager 103 is connected with battery pack 101 with charging DC/DC102 respectively, and described battery manager 103 monitoring battery pack 101 states are controlled described DC/DC102 to battery pack 101 chargings, and control described battery pack 101 discharges.Further, battery manager 103 is connected with charging DC/DC102 by CAN line 113, also is connected with battery pack 101 by sample line 112 simultaneously, so that battery pack 101 is carried out battery temperature sampling, voltage sample, current sample and electric weight detection etc.Battery manager 103 is according to the difference of the state informations such as battery pack 101 temperature, electric weight, control charging DC/DC102 and export different charging currents to battery pack 101 with different mode, alternatively, battery manager 103 is controlled charging DC/DC102 and is exported different charging currents in the mode of trickle, constant current and constant voltage to battery pack 101.
Described battery pack 101, charging DC/DC102 and battery manager 103 are integrated in the housing 300 of accumulator cell assembly.Therefore accumulator cell assembly 100 self has the state of monitoring battery pack 101, adjusts charge mode and charging current to battery pack 101 chargings, thereby possesses the function of intelligent charge; In pure electric vehicle, accumulator cell assembly 100 self has monitoring and controls the function that discharges and recharges, therefore when 100 charging of electrokinetic cell accumulators assembly, accumulator cell assembly 100 can rely on the battery manager 103 of self and charging DC/DC102 to control fully, avoided causing accumulator cell assembly 100 and car load ECU and car load BMS not to mate because change accumulator cell assembly 100 problem that electrokinetic cell can't the accumulators assembly be charged normal.
In an embodiment of the present utility model, the first electrode 105 of described battery pack 101 connects the positive pole 201 of external power source, and the second electrode 106 of battery pack 101 connects the negative pole 202 of external power source; The first input end 107 of described charging DC/DC102 connects the positive pole 201 of external power source, the first output 108 connects the negative pole 202 of external power source, the second input 109 of described charging DC/DC102 is connected with battery manager 103, and the second output 110 of described charging DC/DC102 is connected with battery pack 101.Accumulator cell assembly 100 forms following charge circuit: electric current sends from external power source positive pole 201, positive pole 301 through accumulator cell assembly, first input end 107 by charging DC/DC enters charging DC/DC102, then electric current enters battery pack 101 through the second output 110 of the DC/DC that overcharges, the second electrode 106 processes from battery pack, the final negative pole 202 that imports external power source, thus complete charge circuit formed; Accumulator cell assembly 100 forms following discharge loop: electric current is from the first electrode 105 outputs of battery pack, and through the positive pole 301 of accumulator cell assembly, input electricity consumption device finally imports the second electrode 106 of battery pack, thereby forms complete discharge loop.As preferably, be provided with counnter attack diode 111 between the first electrode 105 of described battery pack and the positive pole 201 of external power source, electric current is realized one-way conduction between the positive pole 201 of the first electrode 105 of battery pack and external power source, thereby make above-mentioned charge circuit and discharge loop relatively independent, do not interfere with each other.
Described battery manager connects respectively positive pole 201 and the negative pole 202 of external power source.
Charging device electrical connection graph in a kind of embodiment of the utility model as shown in Figure 2, a kind of charging device comprises: A.C. contactor 400, rectifier filter 500 and power converter 600, and above-mentioned accumulator cell assembly 100.Described charging device is in charging process, and state that can the Real-Time Monitoring battery pack, and adjust charge mode and charging current according to above-mentioned state is realized intelligent charge.Described A.C. contactor 400 directly connects external power source 200, is used for controlling the break-make of external power source 200; Described rectifier filter 500 1 ends connect A.C. contactor 400, one ends and connect power converter 600, are used for the alternating current of external power source 200 outputs is converted to direct current; Described power converter 600 is used for converting direct current to the required electric current of accumulator cell assembly 100 and voltage.
Described charging device, further comprise: control unit 800, described control unit 800 is connected with the battery manager 103 of accumulator cell assembly 100, be used for receiving the state information of battery pack, described control unit 800 is connected with power converter 600, be used for gathering electric current and the information of voltage of power converter 600 outputs, and power ratio control transducer 600 required electric current and the voltages of output accumulator cell assembly 100.Alternatively, described control unit 800 is connected with battery manager 103 by the CAN line, gather simultaneously electric current and the information of voltage of power converter 600 outputs by sample line, thereby effectively power ratio control transducer 600 is exported required electric current and the voltages of accumulator cell assembly 100.
Described charging device further comprises: accessory power supply 900 and man-machine switching equipment 1000, described accessory power supply 900 are given control unit 800 and 1000 power supplies of man-machine switching equipment; Described man-machine switching equipment 1000 can show the information such as the current electric quantity, voltage, charging current, charge mode, residue charging interval of accumulator cell assembly 100.
both positive and negative polarity connection error in order to prevent from charging, solve the anti-problem of filling of accumulator cell assembly, both positive and negative polarity converter inside circuit diagram in a kind of embodiment of the utility model as shown in Figure 3, described charging device, further comprise: both positive and negative polarity transducer 700, described both positive and negative polarity transducer 700 comprises: main circuit 703 and selection circuit 704, be used for to gather the both positive and negative polarity acquisition module 701 of main circuit 703 positive-negative polarities and be arranged on main circuit 703 and select both positive and negative polarity selector switch 705 between circuit 704, described selection circuit 704 comprises the first circuit 706 and the 4th circuit 709 that jointly is connected in accumulator cell assembly positive pole 301 and second circuit 707 and the tertiary circuit 708 that jointly is connected in accumulator cell assembly negative pole 302, described both positive and negative polarity selector switch 705 is used for simultaneously main circuit 703 being connected respectively with tertiary circuit with the first circuit 706 and is connected, perhaps be used for simultaneously main circuit 703 being connected respectively with the 4th circuit 709 with second circuit 707.
Described both positive and negative polarity selector switch 705 comprises control module 702, and described control module 702 is used for receiving both positive and negative polarity acquisition module 701 feedacks, and controls the action of both positive and negative polarity selector switch 705.
In one embodiment, both positive and negative polarity acquisition module 701 connects A electricity and B point on main circuit 703 by sample line, generally, both positive and negative polarity selector switch 705 makes main circuit 703 be connected with tertiary circuit with the first circuit 706 respectively to be connected simultaneously, the voltage that the voltage that this moment, if A was ordered is ordered higher than B, both positive and negative polarity acquisition module 701 gives control module 702 feedback high level, control module 702 control both positive and negative polarity selector switches 705 keep making simultaneously main circuit 703 respectively with the first circuit 706 and tertiary circuit 708 connection status; The voltage that the voltage that this moment, if A was ordered is ordered lower than B, both positive and negative polarity acquisition module 701 gives control module 702 feedback low levels, control module 702 is controlled both positive and negative polarity selector switch action 705, and main circuit 703 is connected with the 4th circuit 709 with second circuit 707 respectively.Like this, realized the conversion of charging device positive-negative polarity by the state of controlling both positive and negative polarity selector switch 705.
The above is only the utility model preferred embodiment; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (8)
1. an accumulator cell assembly, is characterized in that, comprising:
Battery pack (101);
Charging DC/DC (102), described charging DC/DC (102) is connected with described battery pack (101), and external power source (200) is given battery pack (101) charging by charging DC/DC (102);
Battery manager (103), described battery manager (103) is connected with battery pack (101) with charging DC/DC (102) respectively, described battery manager (103) monitoring battery pack (101) state, control described charging DC/DC (102) to battery pack (101) charging, and control described battery pack (101) discharge;
Described battery pack (101), charging DC/DC (102) and battery manager (103) are integrated in the housing (300) of accumulator cell assembly.
2. accumulator cell assembly as claimed in claim 1, it is characterized in that, described charging DC/DC (102) comprises DC relay (104), described battery manager (103) is used for triggering DC relay (104) conducting or disconnection, and then controls charging DC/DC (102) to the different charging current of battery pack (101) output.
3. accumulator cell assembly as claimed in claim 1, is characterized in that,
First electrode (105) of described battery pack (101) connects the positive pole (201) of external power source, and second electrode (106) of battery pack (101) connects the negative pole (202) of external power source;
The first input end (107) of described charging DC/DC (102) connects the positive pole (201) of external power source, the first output (108) connects the negative pole (202) of external power source, the second input (109) is connected with battery manager (103), and the second output (110) is connected with battery pack (101);
Described battery manager (103) connects respectively positive pole (201) and the negative pole (202) of external power source;
Be provided with counnter attack diode (111) between first electrode (105) of described battery pack and the positive pole (201) of external power source.
4. accumulator cell assembly as claimed in claim 1, is characterized in that, described battery pack (101) is ferric phosphate lithium cell.
5. charging device comprises: A.C. contactor (400), rectifier filter (500) and power converter (600), it is characterized in that, and also comprise accumulator cell assembly as described in any one in claim 1-4 (100).
6. charging device as claimed in claim 5, it is characterized in that, further comprise: control unit (800), described control unit (800) is connected with the battery manager (103) of accumulator cell assembly, be used for receiving the state information of battery pack (101), described control unit (800) is connected with power converter (600), be used for gathering electric current and the information of voltage of power converter (600) output, and required electric current and the voltage of power ratio control transducer (600) output accumulator cell assembly (100).
7. charging device as claimed in claim 6, it is characterized in that, further comprise: both positive and negative polarity transducer (700), described both positive and negative polarity transducer (700) comprising: main circuit (703) and selection circuit (704), be used for to gather the both positive and negative polarity acquisition module (701) of main circuit (703) positive-negative polarity and be arranged on main circuit (703) and selection circuit (704) between both positive and negative polarity selector switch (705), described selection circuit (704) comprises the first circuit (706) and the 4th circuit (709) and the second circuit (707) that jointly is connected in accumulator cell assembly negative pole (302) and the tertiary circuit (708) that jointly is connected in accumulator cell assembly positive pole (301), described both positive and negative polarity selector switch (705) is used for making main circuit (703) be connected 708 with the first circuit (706) with tertiary circuit respectively simultaneously) be connected, perhaps be used for simultaneously main circuit (703) being connected respectively with the 4th circuit (709) with second circuit (707).
8. charging device as claimed in claim 7, it is characterized in that, described both positive and negative polarity selector switch comprises control module (702), described control module (702) is used for receiving both positive and negative polarity acquisition module (701) feedack, and controls the action of both positive and negative polarity selector switch (705).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220666186 CN203014425U (en) | 2012-12-06 | 2012-12-06 | Storage battery assembly and charging device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220666186 CN203014425U (en) | 2012-12-06 | 2012-12-06 | Storage battery assembly and charging device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN203014425U true CN203014425U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220666186 Expired - Lifetime CN203014425U (en) | 2012-12-06 | 2012-12-06 | Storage battery assembly and charging device thereof |
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| CN (1) | CN203014425U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978099A (en) * | 2016-06-29 | 2016-09-28 | 浙江合众新能源汽车有限公司 | Low-voltage power supply management system for electric car |
| CN108599353A (en) * | 2018-04-05 | 2018-09-28 | 宁波兆科新能源科技有限公司 | A kind of parallel extended system of high pressure lithium battery energy storage battery cabinet |
| CN109904535A (en) * | 2017-12-08 | 2019-06-18 | 南京德朔实业有限公司 | The acquisition methods of electric power controller, power-supply management system and battery package informatin |
| WO2020107948A1 (en) * | 2018-11-27 | 2020-06-04 | 珠海格力电器股份有限公司 | Current converter and energy storage system |
-
2012
- 2012-12-06 CN CN 201220666186 patent/CN203014425U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978099A (en) * | 2016-06-29 | 2016-09-28 | 浙江合众新能源汽车有限公司 | Low-voltage power supply management system for electric car |
| CN109904535A (en) * | 2017-12-08 | 2019-06-18 | 南京德朔实业有限公司 | The acquisition methods of electric power controller, power-supply management system and battery package informatin |
| CN108599353A (en) * | 2018-04-05 | 2018-09-28 | 宁波兆科新能源科技有限公司 | A kind of parallel extended system of high pressure lithium battery energy storage battery cabinet |
| WO2020107948A1 (en) * | 2018-11-27 | 2020-06-04 | 珠海格力电器股份有限公司 | Current converter and energy storage system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
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| CX01 | Expiry of patent term |