CN205453104U - Battery management system with duplicate protection function - Google Patents
Battery management system with duplicate protection function Download PDFInfo
- Publication number
- CN205453104U CN205453104U CN201521107597.6U CN201521107597U CN205453104U CN 205453104 U CN205453104 U CN 205453104U CN 201521107597 U CN201521107597 U CN 201521107597U CN 205453104 U CN205453104 U CN 205453104U
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- battery
- relay
- administrative unit
- management system
- leakage information
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model is suitable for a battery management field provides a battery management system with duplicate protection function, safety inspection unit, battery master control administrative unit including the interconnection to and establish ties first relay in the battery measurement circuit, the safety inspection unit is used for detecting the insulation leakagel volume leakage information of battery to with insulation leakagel volume leakage message routing to battery master control administrative unit, perhaps be used for detecting the voltage and the insulation leakagel volume leakage information of battery to according to the break -make of the voltage of battery and the first relay of insulation leakagel volume leakage information control in order to realize the control to the battery measurement circuit, the utility model discloses the total pressure that has increased the safety inspection unit detects protect function, makes the relay of safety inspection unit in can independent control charging and discharging circuit, during other modules inefficacies, also can realize the protection to the battery when battery management system in. And the negative pole at charging and discharging circuit increases a relay, works as normally during operation of anodal relay, can realize the protection to the battery through the break -make of control negative pole relay.
Description
Technical field
This utility model belongs to field of battery management, particularly relates to a kind of battery management system with double protection functions.
Background technology
The battery management system used in the market is essentially all the single Control of employing.Action principle be battery management system from control module battery charge-discharge circuit is carried out information gathering; then the information collected is transferred to main control module; main control module carries out fault verification according to the information received; and the relay in battery charge-discharge circuit is controlled by the result according to judging; realize the break-make of battery charge-discharge circuit, thus protect battery.This protection scheme needs premised on whole modules normally work, can cause when there being Module Fail information can not normal transmission, if now protecting battery in time occurs in fault, thus cause some major accidents.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of battery management system with double protection functions, it is intended to solve, when the first weight shielding failure of battery management system, to increase by second and heavily protect, it is achieved protection more preferable to battery.
This utility model is achieved in that a kind of battery management system with double protection functions, including safety detection unit, the battery master control administrative unit of interconnection, and the first relay being series in battery charge-discharge circuit；
Described safety detection unit is for detecting the insulation leakagel volume leakage information of battery, and sends described insulation leakagel volume leakage information to described battery master control administrative unit；Or for detecting voltage and the insulation leakagel volume leakage information of battery, and the voltage and insulation leakagel volume leakage information according to described battery controls the break-make of the first relay to realize the control to battery charge-discharge circuit；
Described battery master control administrative unit is for receiving the insulation leakagel volume leakage information that described safety detection unit sends, and controls the break-make of the first relay to realize the control to battery charge-discharge circuit according to described insulation leakagel volume leakage information；
Described first relay is controlled by battery master control administrative unit and/or safety detection unit, for ON/OFF battery charge-discharge circuit, protects described battery；
Further; described battery management system also includes that the second relay, described second relay are series in battery charge-discharge circuit, and described second relay is controlled by battery master control administrative unit and/or safety detection unit; for ON/OFF battery charge-discharge circuit, protect described battery；Wherein, described first relay is connected on the positive pole of described battery charge-discharge circuit；Described second relay is connected on the negative pole of described battery charge-discharge circuit；
Described safety detection unit is specifically for the insulation leakagel volume leakage information of detection battery, and sends described insulation leakagel volume leakage information to described battery master control administrative unit；Or for detecting voltage and the insulation leakagel volume leakage information of battery, and the voltage and insulation leakagel volume leakage information according to described battery controls the first relay and/or the break-make of the second relay；
Described battery master control administrative unit is for receiving the insulation leakagel volume leakage information that described safety detection unit sends, and controls the first relay and/or the break-make of the second relay according to described insulation leakagel volume leakage information.
Further, described battery management system also includes a collection balanced unit, described collection balanced unit and safety detection unit, the interconnection of battery master control administrative unit, for gathering voltage and the temperature information of battery, and regulate and control cell voltage, it is achieved the equalization of every a string cell voltage.
Further, described battery management system also includes a bus communication administrative unit, described bus communication administrative unit and safety detection unit, the interconnection of battery master control administrative unit, for management by the communication between element each in the battery management system of bus bar.
Further, during described bus communication administrative unit is built in described battery master control administrative unit.
Further, described bus is CAN；Described bus communication administrative unit is CAN communication administrative unit.
This utility model is compared with prior art; have the beneficial effects that: add the stagnation pressure detection defencive function of safety detection unit; make the relay that safety detection unit can independently control in charge-discharge circuit, when other Module Fail in battery management system, it is possible to realize the protection to battery.And the negative pole at charge-discharge circuit increases a relay, when positive pole relay cisco unity malfunction, can be by controlling the break-make of negative pole relay, it is achieved the protection to battery.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of the battery management system with double protection functions that this utility model one embodiment provides.
Fig. 2 is the structure principle chart of the battery management system with double protection functions that another embodiment of this utility model provides.
Fig. 3 is the structure principle chart of the battery charge-discharge circuit that this utility model embodiment provides.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
In this utility model, safety detection unit can independently control the relay in charge-discharge circuit, can independently realize the protection to battery.And the negative pole at charge-discharge circuit increases a relay, when positive pole relay cisco unity malfunction, can be by controlling the break-make of negative pole relay, it is achieved the protection to battery.
As it is shown in figure 1, the structure of a kind of battery management system with double protection functions provided for this utility model embodiment, including safety detection unit 3, battery master control administrative unit 4, and the first relay 5 being series in battery charge-discharge circuit；Further, it is also possible to including gathering balanced unit 1, bus communication administrative unit 2 and the second relay 6, wherein the first relay 5 is connected on the positive pole of described battery charge-discharge circuit, and the second relay 6 is connected on the negative pole of described battery charge-discharge circuit.
Collection balanced unit 1, bus communication administrative unit 2, safety detection unit 3, battery master control administrative unit 4 can pass through bus bar；In the present embodiment, described bus is CAN, and bus communication administrative unit 2 is CAN communication administrative unit.
Gather balanced unit 1 and be used for gathering voltage and the temperature information of battery, and regulate and control cell voltage, it is achieved the equalization of every a string cell voltage；
Bus communication administrative unit 2 is for managing by the communication between element each in the battery management system of bus bar；
In this utility model, described battery management system has double protection functions to battery.During first heavily protection, safety detection unit 3 is for detecting the insulation leakagel volume leakage information of battery, and sends described insulation leakagel volume leakage information to battery master control administrative unit 4；Battery master control administrative unit 4 is for receiving the insulation leakagel volume leakage information that safety detection unit 3 sends, and controls the first relay 5 and/or break-make of the second relay 6 according to described insulation leakagel volume leakage information.
During second heavily protection; safety detection unit 3 is for detecting voltage and the insulation leakagel volume leakage information of battery; and whether whether can leak electricity in overcharged state or over-discharge state and battery with independent judgment battery; thus control the first relay in battery charge-discharge circuit and/or the break-make of the second relay according to information above; when the first weight shielding failure; safety detection unit 3 can work alone, it is achieved heavily protects the second of battery charger.
First relay 5 is by battery master control administrative unit 4 and/or the control of safety detection unit 3, for ON/OFF battery charge-discharge circuit, protects battery；
Second relay 6 is by battery master control administrative unit 4 and/or the control of safety detection unit 3, for ON/OFF battery charge-discharge circuit, protects battery.
The present embodiment uses the design of two relays in battery charge-discharge circuit; it is in order to during battery charging and discharging; when one of them relay due to cling or other reasons can not normally open time; battery master control administrative unit 4 and/or safety detection unit 3 can control another one relay and disconnect, thus protects battery.
As in figure 2 it is shown, as another embodiment of the present utility model, the bus communication administrative unit 2 in described battery management system can be built in battery master control administrative unit 4, the same embodiment illustrated in fig. 1 of operation principle of remaining each unit, repeat no more.
The first relay 5 in Fig. 1 and Fig. 2 can be connected on the positive pole of battery charge-discharge circuit；And the second relay 6 can be connected on the negative pole of battery charge-discharge circuit, as shown in Figure 3.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (6)
1. a battery management system with double protection functions, it is characterised in that include the safety detection unit of interconnection, battery master control administrative unit, and the first relay being series in battery charge-discharge circuit；
Described safety detection unit is for detecting the insulation leakagel volume leakage information of battery, and sends described insulation leakagel volume leakage information to described battery master control administrative unit；Or for detecting voltage and the insulation leakagel volume leakage information of battery, and the voltage and insulation leakagel volume leakage information according to described battery controls the break-make of the first relay to realize the control to battery charge-discharge circuit；
Described battery master control administrative unit is for receiving the insulation leakagel volume leakage information that described safety detection unit sends, and controls the break-make of the first relay to realize the control to battery charge-discharge circuit according to described insulation leakagel volume leakage information；
Described first relay is controlled by battery master control administrative unit and/or safety detection unit, for ON/OFF battery charge-discharge circuit, protects described battery.
There is the battery management system of double protection functions the most as claimed in claim 1; it is characterized in that; described battery management system also includes the second relay; described second relay is series in battery charge-discharge circuit; described second relay is controlled by battery master control administrative unit and/or safety detection unit; for ON/OFF battery charge-discharge circuit, protect described battery；Wherein, described first relay is connected on the positive pole of described battery charge-discharge circuit；Described second relay is connected on the negative pole of described battery charge-discharge circuit；
Described safety detection unit is specifically for the insulation leakagel volume leakage information of detection battery, and sends described insulation leakagel volume leakage information to described battery master control administrative unit；Or for detecting voltage and the insulation leakagel volume leakage information of battery, and the voltage and insulation leakagel volume leakage information according to described battery controls the first relay and/or the break-make of the second relay；
Described battery master control administrative unit specifically for: receive the insulation leakagel volume leakage information that described safety detection unit sends, and control the first relay and/or the break-make of the second relay according to described insulation leakagel volume leakage information.
There is the battery management system of double protection functions the most as claimed in claim 1; it is characterized in that; described battery management system also includes a collection balanced unit; described collection balanced unit and safety detection unit, the interconnection of battery master control administrative unit; for gathering voltage and the temperature information of battery; and regulate and control cell voltage, it is achieved the equalization of every a string cell voltage.
There is the battery management system of double protection functions the most as claimed in claim 1; it is characterized in that; described battery management system also includes a bus communication administrative unit; described bus communication administrative unit and safety detection unit, the interconnection of battery master control administrative unit, for management by the communication between element each in the battery management system of bus bar.
There is the battery management system of double protection functions the most as claimed in claim 4, it is characterised in that described bus communication administrative unit is built in described battery master control administrative unit.
There is the battery management system of double protection functions the most as claimed in claim 4, it is characterised in that described bus is CAN；Described bus communication administrative unit is CAN communication administrative unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521107597.6U CN205453104U (en) | 2015-12-26 | 2015-12-26 | Battery management system with duplicate protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521107597.6U CN205453104U (en) | 2015-12-26 | 2015-12-26 | Battery management system with duplicate protection function |
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| Publication Number | Publication Date |
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| CN205453104U true CN205453104U (en) | 2016-08-10 |
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| CN201521107597.6U Active CN205453104U (en) | 2015-12-26 | 2015-12-26 | Battery management system with duplicate protection function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112768825A (en) * | 2021-01-15 | 2021-05-07 | 华富(江苏)锂电新技术有限公司 | High-safety lithium battery |
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2015
- 2015-12-26 CN CN201521107597.6U patent/CN205453104U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112768825A (en) * | 2021-01-15 | 2021-05-07 | 华富(江苏)锂电新技术有限公司 | High-safety lithium battery |
| CN112768825B (en) * | 2021-01-15 | 2023-04-25 | 华富(江苏)锂电新技术有限公司 | High-safety lithium battery |
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Effective date of registration: 20180428 Granted publication date: 20160810 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210428 Granted publication date: 20160810 |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210428 Granted publication date: 20160810 |