CN107656200A - A kind of battery relay life estimate device and evaluation method - Google Patents
A kind of battery relay life estimate device and evaluation method Download PDFInfo
- Publication number
- CN107656200A CN107656200A CN201711094548.7A CN201711094548A CN107656200A CN 107656200 A CN107656200 A CN 107656200A CN 201711094548 A CN201711094548 A CN 201711094548A CN 107656200 A CN107656200 A CN 107656200A
- Authority
- CN
- China
- Prior art keywords
- battery relay
- battery
- life
- value
- relay
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
- G01R31/3278—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
The present invention relates to a kind of battery relay life estimate device and evaluation method, the battery relay life estimate device includes：Current sensor, battery parameter processor is transferred to for gathering the current parameters at the battery relay both ends, and by the current parameters；Battery parameter processor, for detecting the voltage at the battery relay both ends, receive the current parameters, the disconnection times for recording the battery relay, the life value instantly of the storage battery relay, the entire life that the battery relay is calculated according to the voltage parameter, the current parameters is worth, the remaining lifetime value of the battery relay is calculated according to entire life value, the disconnection times and the life value instantly, when the remaining lifetime value of the battery relay is less than or equal to preset value, alarm is sent to display；Display, for receiving and showing the alarm.The battery relay life estimate device and evaluation method of the present invention detects the state of battery relay in real time.
Description
Technical field
The present invention relates to automobile batteries relay field, more particularly to a kind of battery relay life estimate device and estimation
Method.
Background technology
With the development of science and technology electric automobile has begun to be dissolved into the life of people.The voltage class of electric automobile
Compare high, generally reach 400V or so, the battery relay main function on electric car is that control electrokinetic cell connects on-off
Open, the operation principle of battery relay is to control high current, that is, a switch with low current, if we are directly with general
Line can be burnt when pass is opened up to control larger electric current, and the problem would not occur by Small current control relay, mesh
It is preceding that we judge whether relay is safe and reliable by the voltage at comparator relay both ends.At present,
Fig. 1 is battery relay safety detection circuit in the prior art, is examined using the voltage manner of comparison in Fig. 1
Whether safe survey battery relay, method such as table 1 below：
Table 1
Following defect be present in above method：This method is passive detection, could when safety problem occurs in battery relay
It was found that if battery relay damage occurs in travelling on a highway for electric automobile, electric automobile will run out of steam moment,
So as to cause severe traffic accidents.
Therefore, it is necessary to which one kind can detect battery relay in real time, so as to prevent because battery relay causes traffic thing
Therefore battery relay life estimate device and method.
The content of the invention
According to an aspect of the present invention, there is provided a kind of battery relay life estimate device, including：With battery relay
The current sensor of electrical connection, transmitted for gathering the current parameters at the battery relay both ends, and by the current parameters
To the battery parameter processor；The battery parameter processor electrically connected with battery relay, for detecting the battery relay
The voltage at device both ends, receive the current parameters, the disconnection times for recording the battery relay, the storage battery relay
Life value instantly, the entire life that the battery relay is calculated according to the voltage parameter, the current parameters is worth, according to institute
The remaining lifetime value that entire life value, the disconnection times and the life value instantly calculate the battery relay is stated, when described
When the remaining lifetime value of battery relay is less than or equal to preset value, alarm is sent to display；Display, for receiving and showing
Show the alarm.
The current sensor, the battery parameter processor and the display are sequentially connected electrically.
The battery parameter processor includes：Parameter collection module, for gather the battery relay voltage parameter,
The current parameters are received, and the current parameters and the voltage parameter are sent to computing module；Disconnection times record mould
Block, for recording and sending the disconnection times Y of the battery relay to computing module；Memory module, for real-time storage
And the X of life value instantly of the battery relay is sent to computing module；Computing module, for receiving and according to the voltage
Parameter and the current parameters calculate the entire life value Z of the battery relay, and according to the longevity instantly of the battery relay
Life value X, disconnection times Y and entire life value Z calculate the remaining lifetime value W of the battery relay；Alarm module, for described
When the remaining lifetime value W of battery relay is less than or equal to preset value, alarm is sent to the display.
The X of life value instantly of the battery relay, disconnection times Y, the pass between entire life value Z and remaining lifetime value W
System is as follows：
W=X-Y/Z.
The memory module, the parameter collection module, the disconnection times logging modle and the alarm module are electric
The computing module is connected to, the parameter collection module is electrically connected with the current sensor and the battery relay respectively
Connect, the alarm module electrically connects with the display.
The battery parameter processor is battery management system.
The display is carload instrument.
The current sensor is Hall sensor.
According to another aspect of the present invention, there is provided a kind of to be estimated based on what the battery relay life estimate device was realized
Calculation method, comprises the following steps：
The current parameters at current sensor collection battery relay both ends, and the current parameters are transferred to battery parameter
Processor；The battery parameter processor detects the voltage parameter at the battery relay both ends, receives the current parameters, note
Disconnection times, the life value instantly of the storage battery relay of the battery relay are recorded, according to the voltage parameter, institute
State the entire life value that current parameters calculate the battery relay, according to entire life value, the disconnection times and it is described ought
Lower life value calculates the remaining lifetime value of the battery relay, when the remaining lifetime value of the battery relay is less than or equal to
During preset value, alarm is sent to display；The display receives and shows the alarm.
Beneficial effects of the present invention are：
The battery relay life estimate device and evaluation method of the present invention can detect battery relay in real time, so as to anti-
Only because battery relay causes traffic accident.
Brief description of the drawings
Fig. 1 is battery relay safety detection circuit in the prior art；
Fig. 2 is the battery relay life estimate device of the present invention；
Fig. 3 is the battery relay life estimation method of the present invention.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Fig. 2 is the battery relay life estimate device of the present invention, as shown in Fig. 2 battery relay provided by the invention
Life estimate device, including：The current sensor electrically connected with battery relay, for gathering the battery relay both ends
Current parameters, and the current parameters are transferred to the battery parameter processor；The battery ginseng electrically connected with battery relay
Number processor, for detecting the voltage at the battery relay both ends, receives the current parameters, records the battery relay
Disconnection times, the life value instantly of the storage battery relay, calculate institute according to the voltage parameter, the current parameters
The entire life value of battery relay is stated, according to calculating entire life value, the disconnection times and the life value instantly
The remaining lifetime value of battery relay, when the remaining lifetime value of the battery relay is less than or equal to preset value, to display
Device sends alarm；Display, for receiving and showing the alarm.
The current sensor, the battery parameter processor and the display are sequentially connected electrically.
The battery parameter processor includes：Parameter collection module, for gather the battery relay voltage parameter,
The current parameters are received, and the current parameters and the voltage parameter are sent to computing module；Disconnection times record mould
Block, for recording and sending the disconnection times Y of the battery relay to computing module；Memory module, for real-time storage
And the X of life value instantly of the battery relay is sent to computing module；Computing module, for receiving and according to the voltage
Parameter and the current parameters calculate the entire life value Z of the battery relay, and according to the longevity instantly of the battery relay
Life value X, disconnection times Y and entire life value Z calculate the remaining lifetime value W of the battery relay；Alarm module, for described
When the remaining lifetime value W of battery relay is less than or equal to preset value, alarm is sent to the display.
The X of life value instantly of the battery relay, disconnection times Y, the pass between entire life value Z and remaining lifetime value W
System is as follows：
W=X-Y/Z.
The memory module, the parameter collection module, the disconnection times logging modle and the alarm module are electric
The computing module is connected to, the parameter collection module is electrically connected with the current sensor and the battery relay respectively
Connect, the alarm module electrically connects with the display.
The battery parameter processor is battery management system.
The display is carload instrument.
The current sensor is Hall sensor.
Computing module passes through the electric expected life curve estimation of the battery relay provided by battery relay manufacturer
Relay life, the electric expected life curve of the battery relay represent battery relay electric current, battery relay voltage with
Relation between battery relay entire life, 400VDC curve can be selected according to battery specifications, the upper data of figure are converted to
Enquiry form, the form are used for computing module estimation relay life.Calculated according to the voltage parameter and the current parameters
The entire life value Z of the battery relay.
Table 2 is that battery specifications select voltage, electric current and the entire life of battery relay during 400VDC to be worth relational query
Table.
Table 2
Battery parameter processor collects battery relay electric current, and electric current need to be smooth after filtering, and filtering time is
10s, battery parameter processor estimate electric entire life value Z (secondary) by what electric current inquiry table 2 after filtering obtained relay.
Battery relay initial lifetime is set as 1, after occurring once to be opened or closed, it is believed that life consumption 1/
Z, then residual life is W=1-1/Z, and by W storages into nonvolatile storage, battery parameter processor re-power after from depositing
Reservoir reads W values, and when W is less than 2%, battery parameter processor sends alarm parameters to display, prompts driver to pay attention to electricity
The replacing of pond relay, or reduce cell output.
Exemplarily, it is assumed that battery relay residual life is 100%, when electric current be 10A, table look-up 2 obtain it is expected always
Life value is 100000 times, after 100 opening and closings occur, life consumption 100/100000=0.1%, residual life 1-
0.1%=99.9%, when electric current is 200A, it is contemplated that the life-span is 3000 times, is occurred 10 times after being opened or closed, life consumption is
10/3000=3.3%, residual life 99.9%-3.3%=96.6%, afterwards with the increase that number is opened or closed, electricity
Pond relay life gradually decreases, and when residual life is less than 2%, battery parameter processor sends alarm parameters to display,
Prompting driver pays attention to the replacing of battery relay.
Fig. 3 is the battery relay life estimation method of the present invention, as shown in figure 3, provided by the invention be based on the electricity
The evaluation method that pond relay life estimation device is realized, comprises the following steps：Current sensor collection battery relay both ends
Current parameters, and the current parameters are transferred to battery parameter processor；The battery parameter processor detects the electricity
The voltage parameter at pond relay both ends, the disconnection times for receiving the current parameters, recording the battery relay, described in storage
The life value instantly of battery relay, total longevity of the battery relay is calculated according to the voltage parameter, the current parameters
Life value, the remaining longevity of the battery relay is calculated according to entire life value, the disconnection times and the life value instantly
Life value, when the remaining lifetime value of the battery relay is less than or equal to preset value, alarm is sent to display；The display
Device receives and shows the alarm.
The X of life value instantly of the battery relay, disconnection times Y, the pass between entire life value Z and remaining lifetime value W
System is as follows：
W=X-Y/Z.
The battery relay life estimate device and evaluation method of the present invention can detect battery relay in real time, so as to anti-
Only because battery relay causes traffic accident.
It will be appreciated by those of skill in the art that although some embodiments in this are included included by other embodiments
Some features rather than further feature, but the combination of the feature of different embodiments means to be within the scope of the present invention simultaneously
And form different embodiments.For example, in the following claims, the one of any of embodiment claimed all may be used
Used in a manner of in any combination.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
- A kind of 1. battery relay life estimate device, it is characterised in that including：The current sensor electrically connected with battery relay, for gathering the current parameters at the battery relay both ends, and will The current parameters are transferred to battery parameter processor；The battery parameter processor electrically connected with battery relay, for detecting the voltage at the battery relay both ends, receive The current parameters, the disconnection times for recording the battery relay, the life value instantly of the storage battery relay, according to The voltage parameter, the current parameters calculate the entire life value of the battery relay, are worth according to the entire life, are described disconnected Open number and the life value instantly calculates the remaining lifetime value of the battery relay, when the remaining longevity of the battery relay When life value is less than or equal to preset value, alarm is sent to display；Display, for receiving and showing the alarm.
- 2. battery relay life estimate device according to claim 1, it is characterised in that the current sensor, described Battery parameter processor and the display are sequentially connected electrically.
- 3. battery relay life estimate device according to claim 2, it is characterised in that the battery parameter processor bag Include：Parameter collection module, for gathering the voltage parameter of the battery relay, receiving the current parameters, and by the electricity Stream parameter and the voltage parameter are sent to computing module；Disconnection times logging modle, for recording and sending the disconnection times Y of the battery relay to computing module；Memory module, sent for real-time storage and by the X of life value instantly of the battery relay to computing module；Computing module, for receiving and being calculated according to the voltage parameter and the current parameters total longevity of the battery relay Life value Z, and the battery relay is calculated according to the X of life value instantly, the disconnection times Y and entire life value Z of the battery relay The remaining lifetime value W of device；Alarm module, for when the remaining lifetime value W of the battery relay is less than or equal to preset value, to the display Send alarm.
- 4. battery relay life estimate device according to claim 3, it is characterised in that the battery relay is instantly Life value X, disconnection times Y, the relation between entire life value Z and remaining lifetime value W are as follows：W=X-Y/Z.
- 5. battery relay life estimate device according to claim 4, it is characterised in that the memory module, the ginseng Number acquisition module, the disconnection times logging modle and the alarm module are electrically connected to the computing module, the parameter Acquisition module electrically connects with the current sensor and the battery relay respectively, the alarm module and display electricity Connection.
- 6. battery relay life estimate device according to claim 1, it is characterised in that the battery parameter processor is Battery management system.
- 7. battery relay life estimate device according to claim 6, it is characterised in that the display is vehicle instrument Table.
- 8. battery relay life estimate device according to claim 7, it is characterised in that the current sensor is Hall Sensor.
- A kind of 9. evaluation method realized based on battery relay life estimate device described in claim 1, it is characterised in that bag Include following steps：The current parameters at current sensor collection battery relay both ends, and the current parameters are transferred to battery parameter processing Device；The battery parameter processor detects the voltage parameter at the battery relay both ends, receives the current parameters, record The life value instantly of the disconnection times of the battery relay, the storage battery relay, according to the voltage parameter, described Current parameters calculate the entire life value of the battery relay, according to entire life value, the disconnection times and it is described instantly Life value calculates the remaining lifetime value of the battery relay, when the remaining lifetime value of the battery relay is less than or equal in advance If during value, alarm is sent to display；The display receives and shows the alarm.
- 10. evaluation method according to claim 9, it is characterised in that the X of life value instantly of the battery relay, disconnect Relation between number Y, entire life value Z and remaining lifetime value W is as follows：W=X-Y/Z.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094548.7A CN107656200A (en) | 2017-11-09 | 2017-11-09 | A kind of battery relay life estimate device and evaluation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094548.7A CN107656200A (en) | 2017-11-09 | 2017-11-09 | A kind of battery relay life estimate device and evaluation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107656200A true CN107656200A (en) | 2018-02-02 |
Family
ID=61120510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711094548.7A Pending CN107656200A (en) | 2017-11-09 | 2017-11-09 | A kind of battery relay life estimate device and evaluation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107656200A (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414926A (en) * | 2018-03-06 | 2018-08-17 | 苏州正力蔚来新能源科技有限公司 | Relay health status for quick-change power battery pack records system |
| CN109459686A (en) * | 2018-10-09 | 2019-03-12 | 中信国安盟固利动力科技有限公司 | A kind of large-current electromagnetic relay electrical endurance test device |
| CN109606117A (en) * | 2019-01-04 | 2019-04-12 | 蜂巢能源科技有限公司 | Battery management system contactor control system and method |
| EP3550530A1 (en) * | 2018-04-04 | 2019-10-09 | Carrier Corporation | Obtaining remaining battery lifespan |
| CN111222782A (en) * | 2019-12-31 | 2020-06-02 | 北汽福田汽车股份有限公司 | Relay life acquisition method and device, storage medium, electronic device and vehicle |
| CN111597754A (en) * | 2020-04-16 | 2020-08-28 | 广东省智能制造研究所 | Fault prediction method and device for shielded gate, terminal equipment and storage medium |
| WO2020239471A1 (en) * | 2019-05-28 | 2020-12-03 | Phoenix Contact Gmbh & Co. Kg | Method for predicting the failure of elementary relays |
| CN112034335A (en) * | 2020-08-31 | 2020-12-04 | 蜂巢能源科技有限公司 | Method and device for estimating service life of contactor |
| CN112098831A (en) * | 2020-09-17 | 2020-12-18 | 北京车和家信息技术有限公司 | Method, device and circuit for predicting service life of battery pack relay and automobile |
| CN113311325A (en) * | 2021-06-18 | 2021-08-27 | 湖北亿纬动力有限公司 | New energy automobile relay on-line detection method and cloud analysis platform |
| CN113311323A (en) * | 2021-06-18 | 2021-08-27 | 湖北亿纬动力有限公司 | New energy automobile relay on-line detection system and method |
| CN113311324A (en) * | 2021-06-18 | 2021-08-27 | 湖北亿纬动力有限公司 | New energy automobile relay on-line detection method, battery management system and battery pack |
| CN113591013A (en) * | 2021-06-25 | 2021-11-02 | 中国铁路北京局集团有限公司天津供电段 | Service life estimation method and system for traction substation equipment and storage medium |
| CN113654770A (en) * | 2020-05-12 | 2021-11-16 | 中车唐山机车车辆有限公司 | Relay full-life-cycle management method and device |
| CN113933698A (en) * | 2021-10-15 | 2022-01-14 | 中车大同电力机车有限公司 | Relay life prediction method and device |
| US11362538B2 (en) | 2020-01-31 | 2022-06-14 | Schneider Electric It Corporation | Uninterruptible power supply component analysis system and method |
| US11366173B2 (en) * | 2020-11-06 | 2022-06-21 | Robert Bosch Gmbh | Method of determining lifetime of electrical and mechanical components |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1673767A (en) * | 2005-04-22 | 2005-09-28 | 张贵新 | Vacuum circuit breaker electrical endurance monitoring apparatus |
| CN1828320A (en) * | 2006-02-20 | 2006-09-06 | 武汉华电国电高压科技发展有限公司 | On-line monitoring method and system for converting station high voltage electrical apparatus |
| CN201892729U (en) * | 2010-11-01 | 2011-07-06 | 广西中电新源电气有限公司 | Electric service life monitoring device of HGIS (hybrid gas insulated switchgear) circuit breaker |
| CN102207539A (en) * | 2010-03-30 | 2011-10-05 | 株式会社山武 | Relay end-of-service-life forecasting device |
| CN102253333A (en) * | 2011-06-08 | 2011-11-23 | 河北工业大学 | Life tester for alternating-current contactor and control method thereof |
| CN102654562A (en) * | 2011-12-26 | 2012-09-05 | 惠州市亿能电子有限公司 | Method for estimating service life of DC (direct current) contactor of electric vehicle |
| CN102879735A (en) * | 2012-10-11 | 2013-01-16 | 桂林电子科技大学 | Online electric abrasion detecting method and system of vacuum circuit breaker |
| CN103163453A (en) * | 2011-12-14 | 2013-06-19 | 中国广东核电集团有限公司 | Nuclear power station relay detection method |
| KR20140134499A (en) * | 2013-05-14 | 2014-11-24 | (주)에이치엔티 | Busbar relay MC module |
| CN104280684A (en) * | 2013-07-12 | 2015-01-14 | 海洋王（东莞）照明科技有限公司 | Battery life detection device |
| CN104698373A (en) * | 2013-12-10 | 2015-06-10 | 北汽福田汽车股份有限公司 | Battery pack relay life monitoring method and apparatus |
| CN105548877A (en) * | 2016-02-18 | 2016-05-04 | 上海沪工汽车电器有限公司 | Automobile relay service life testing method |
-
2017
- 2017-11-09 CN CN201711094548.7A patent/CN107656200A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1673767A (en) * | 2005-04-22 | 2005-09-28 | 张贵新 | Vacuum circuit breaker electrical endurance monitoring apparatus |
| CN1828320A (en) * | 2006-02-20 | 2006-09-06 | 武汉华电国电高压科技发展有限公司 | On-line monitoring method and system for converting station high voltage electrical apparatus |
| CN102207539A (en) * | 2010-03-30 | 2011-10-05 | 株式会社山武 | Relay end-of-service-life forecasting device |
| CN201892729U (en) * | 2010-11-01 | 2011-07-06 | 广西中电新源电气有限公司 | Electric service life monitoring device of HGIS (hybrid gas insulated switchgear) circuit breaker |
| CN102253333A (en) * | 2011-06-08 | 2011-11-23 | 河北工业大学 | Life tester for alternating-current contactor and control method thereof |
| CN103163453A (en) * | 2011-12-14 | 2013-06-19 | 中国广东核电集团有限公司 | Nuclear power station relay detection method |
| CN102654562A (en) * | 2011-12-26 | 2012-09-05 | 惠州市亿能电子有限公司 | Method for estimating service life of DC (direct current) contactor of electric vehicle |
| CN102879735A (en) * | 2012-10-11 | 2013-01-16 | 桂林电子科技大学 | Online electric abrasion detecting method and system of vacuum circuit breaker |
| KR20140134499A (en) * | 2013-05-14 | 2014-11-24 | (주)에이치엔티 | Busbar relay MC module |
| CN104280684A (en) * | 2013-07-12 | 2015-01-14 | 海洋王（东莞）照明科技有限公司 | Battery life detection device |
| CN104698373A (en) * | 2013-12-10 | 2015-06-10 | 北汽福田汽车股份有限公司 | Battery pack relay life monitoring method and apparatus |
| CN105548877A (en) * | 2016-02-18 | 2016-05-04 | 上海沪工汽车电器有限公司 | Automobile relay service life testing method |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414926A (en) * | 2018-03-06 | 2018-08-17 | 苏州正力蔚来新能源科技有限公司 | Relay health status for quick-change power battery pack records system |
| EP3550530A1 (en) * | 2018-04-04 | 2019-10-09 | Carrier Corporation | Obtaining remaining battery lifespan |
| CN109459686A (en) * | 2018-10-09 | 2019-03-12 | 中信国安盟固利动力科技有限公司 | A kind of large-current electromagnetic relay electrical endurance test device |
| CN109459686B (en) * | 2018-10-09 | 2020-09-08 | 荣盛盟固利新能源科技有限公司 | Electrical service life testing device for large-current electromagnetic relay |
| CN109606117A (en) * | 2019-01-04 | 2019-04-12 | 蜂巢能源科技有限公司 | Battery management system contactor control system and method |
| US11965932B2 (en) | 2019-05-28 | 2024-04-23 | Phoenix Contact Gmbh & Co. Kg | Method for predicting the failure of elementary relays |
| CN113939888A (en) * | 2019-05-28 | 2022-01-14 | 菲尼克斯电气公司 | Method for predicting failure of primary relay |
| WO2020239471A1 (en) * | 2019-05-28 | 2020-12-03 | Phoenix Contact Gmbh & Co. Kg | Method for predicting the failure of elementary relays |
| CN113939888B (en) * | 2019-05-28 | 2024-01-05 | 菲尼克斯电气公司 | Method for predicting primary relay fault |
| CN111222782A (en) * | 2019-12-31 | 2020-06-02 | 北汽福田汽车股份有限公司 | Relay life acquisition method and device, storage medium, electronic device and vehicle |
| US11811262B2 (en) | 2020-01-31 | 2023-11-07 | Schneider Electric It Corporation | Uninterruptible power supply component analysis system and method |
| US11362538B2 (en) | 2020-01-31 | 2022-06-14 | Schneider Electric It Corporation | Uninterruptible power supply component analysis system and method |
| CN111597754A (en) * | 2020-04-16 | 2020-08-28 | 广东省智能制造研究所 | Fault prediction method and device for shielded gate, terminal equipment and storage medium |
| CN113654770A (en) * | 2020-05-12 | 2021-11-16 | 中车唐山机车车辆有限公司 | Relay full-life-cycle management method and device |
| CN112034335A (en) * | 2020-08-31 | 2020-12-04 | 蜂巢能源科技有限公司 | Method and device for estimating service life of contactor |
| CN112034335B (en) * | 2020-08-31 | 2023-05-12 | 蜂巢能源科技有限公司 | Method and device for estimating service life of contactor |
| CN112098831A (en) * | 2020-09-17 | 2020-12-18 | 北京车和家信息技术有限公司 | Method, device and circuit for predicting service life of battery pack relay and automobile |
| CN112098831B (en) * | 2020-09-17 | 2023-11-03 | 北京车和家信息技术有限公司 | Method, device and circuit for predicting service life of battery relay and automobile |
| US11366173B2 (en) * | 2020-11-06 | 2022-06-21 | Robert Bosch Gmbh | Method of determining lifetime of electrical and mechanical components |
| CN113311324A (en) * | 2021-06-18 | 2021-08-27 | 湖北亿纬动力有限公司 | New energy automobile relay on-line detection method, battery management system and battery pack |
| CN113311323A (en) * | 2021-06-18 | 2021-08-27 | 湖北亿纬动力有限公司 | New energy automobile relay on-line detection system and method |
| CN113311325A (en) * | 2021-06-18 | 2021-08-27 | 湖北亿纬动力有限公司 | New energy automobile relay on-line detection method and cloud analysis platform |
| CN113591013A (en) * | 2021-06-25 | 2021-11-02 | 中国铁路北京局集团有限公司天津供电段 | Service life estimation method and system for traction substation equipment and storage medium |
| CN113933698A (en) * | 2021-10-15 | 2022-01-14 | 中车大同电力机车有限公司 | Relay life prediction method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107656200A (en) | A kind of battery relay life estimate device and evaluation method | |
| CN107599857B (en) | Pure electric vehicle charging system and charging method based on lithium battery | |
| CN105717404B (en) | Electrokinetic cell system insulation failure detection method and device | |
| CN103683428B (en) | A kind of battery management system for electric automobile and electric automobile | |
| CN107528095B (en) | Low tension battery failure prediction method based on new energy vehicle storing card data | |
| CN109613435B (en) | Method and system for detecting voltage acquisition abnormity caused by non-self fault of battery | |
| CN109649215A (en) | Electric vehicle lithium battery security monitoring management system | |
| CN103576046A (en) | Storage battery system having storage battery protector and diagnostic device, and diagnostic method thereof | |
| CN106300548A (en) | A kind of battery intelligent management system | |
| CN110441695A (en) | A kind of battery pack multiple faults error comprehensive diagnosis method combined based on model and signal processing | |
| CN105620304B (en) | Battery pack thermal run away monitoring device and electric automobile | |
| CN107946673A (en) | The Vehicular dynamic battery management system and its management method of a kind of high robust | |
| CN106696724A (en) | Electric vehicle power battery, control method and device thereof and electric vehicle | |
| CN110504502B (en) | Processing method and device for abnormal battery temperature acquisition, controller and automobile | |
| CN105071513A (en) | Vehicle-mounted charging system of electromobile | |
| CN103616641A (en) | Method for detecting looseness of electric vehicle battery connecting line | |
| CN109878373A (en) | Knee cloud platform interconnects charging method and system | |
| CN101615809A (en) | A kind of single battery control system of vehicular power supply | |
| CN110154977A (en) | Identify car-mounted terminal removed method and its system | |
| CN102856886A (en) | Electromobile battery protecting circuit | |
| CN203832281U (en) | Power battery monitoring device used for automobile and automobile with power battery monitoring device | |
| CN207481815U (en) | Electric system above and below electric automobile high-voltage | |
| CN207010322U (en) | A kind of electric automobile charging pile and its bimodulus charge control system | |
| CN106571656A (en) | Battery condition monitoring and charging management system for electric vehicle charging device | |
| CN103171451A (en) | Battery management system based on co-processor and solid-state relay |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180202 |