CN111071022A - Battery pack arrangement system and vehicle - Google Patents

Battery pack arrangement system and vehicle Download PDF

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Publication number
CN111071022A
CN111071022A CN202010020399.5A CN202010020399A CN111071022A CN 111071022 A CN111071022 A CN 111071022A CN 202010020399 A CN202010020399 A CN 202010020399A CN 111071022 A CN111071022 A CN 111071022A
Authority
CN
China
Prior art keywords
battery pack
relay
battery
vehicle
motor
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
Application number
CN202010020399.5A
Other languages
Chinese (zh)
Inventor
李海威
钟兆鹏
瞿庆祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Geely Holding Group Co Ltd
Geely Automobile Research Institute Ningbo Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Geely Automobile Research Institute Ningbo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Geely Holding Group Co Ltd, Geely Automobile Research Institute Ningbo Co Ltd filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN202010020399.5A priority Critical patent/CN111071022A/en
Publication of CN111071022A publication Critical patent/CN111071022A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K1/04Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

Abstract

The invention relates to the technical field of automobile batteries, in particular to a battery pack arrangement system and a vehicle, wherein the system comprises: the battery pack, the electric control device and the motor are arranged between the battery pack and the motor, the electric control device comprises a shell and a relay, the relay is arranged in the shell, wiring terminals are respectively arranged on two sides of the shell, one wiring terminal is electrically connected with the battery pack, the other wiring terminal is electrically connected with the motor, and the battery pack and the motor are charged mutually through the relay; the invention reduces the influence of the noise when the relay is opened or closed on passengers in the cockpit, improves the comfort level of the passengers, improves the driving comfort level, reduces the volume of the battery pack and is convenient to distribute on the vehicle.

Description

Battery pack arrangement system and vehicle
Technical Field
The invention relates to the technical field of automobile batteries, in particular to a battery pack arrangement system and a vehicle.
Background
With the development of economy, traditional energy becomes increasingly depleted, new energy research and development are particularly important, in the automobile industry, electric energy becomes main new energy to be applied to automobiles, the development of electric automobiles is also widely concerned by people, and batteries serving as hearts of electric automobiles are the key point of electric automobile research.
At present, technically, a relay is mainly assembled inside a battery pack, the relay controls the access and the open of a battery circuit through mechanical opening and closing, and the opening and the closing of the relay are also performed inside the battery pack, so that the sound caused by the opening and the closing of the relay belongs to the sound caused by the battery pack.
Through experimental tests, when the battery pack containing the relay is tested at a position of 10cm, the noise of the battery pack containing the relay reaches about 60.8dB in the closing process of the relay, and is in the range of 0.5m directly above the relay, the noise of the battery pack containing the relay reaches about 63.2dB in the opening process of the battery pack containing the relay, and is in the range of 0.5m directly above the relay, but the requirement of a host factory is that the noise does not exceed 60dB, and is in the range of 0.1m directly above the relay.
Therefore, there is a need for a battery pack that improves the noise problem of the battery pack.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide a battery pack arrangement system and a vehicle, which reduce the influence of noise generated when a relay is turned on or off on passengers in a cabin, improve the comfort of the passengers, and improve the driving comfort.
In order to solve the above problems, the present invention provides a battery pack arrangement system including: the battery pack comprises a battery pack, an electric control device and a motor, wherein the electric control device is arranged between the battery pack and the motor, the electric control device comprises a shell and a relay, the relay is arranged in the shell, the shell is a closed space, wiring terminals are arranged on two sides of the shell respectively, one wiring terminal is electrically connected with the battery pack, the other wiring terminal is electrically connected with the motor, and the battery pack and the motor are charged mutually through the relay.
Further, the battery pack is a 48V battery pack.
Further, the battery pack comprises a battery cell module, a battery manager and a fuse, wherein the battery cell module and the battery manager are connected in series through the fuse.
Further, the battery manager is electrically connected with the electric control device, and the battery manager is used for controlling the opening or closing of the relay.
Furthermore, the shell is made of high-temperature-resistant metal.
Furthermore, the system also comprises a direct current converter, the battery pack and the motor are both electrically connected with the direct current converter, and the direct current converter is used for converting alternating current of the battery pack into direct current and charging the direct current to a power supply.
Further, the power supply is a 12V power supply.
The invention also provides a vehicle comprising the battery pack control system.
Further, the electric control device in the battery pack control system is arranged in a cabin of the vehicle.
Further, the vehicle further comprises a vehicle control unit, the vehicle control unit is electrically connected with the battery manager, and the vehicle control unit is used for sending a relay opening or closing instruction to the battery manager.
Due to the technical scheme, the invention has the following beneficial effects:
1) according to the battery pack arrangement system and the vehicle, the relay is arranged outside the battery pack, so that the influence of noise generated when the relay is turned on or off on passengers in a cab can be reduced, the comfort level of the passengers is improved, and the driving comfort level is improved;
2) according to the battery pack arrangement system and the vehicle, the relay is arranged outside the battery pack, so that the distribution in the battery pack can be simplified, the size of the battery pack is reduced, and the distribution of the battery pack on the vehicle is optimized.
3) According to the battery pack arrangement system and the vehicle, the relay is arranged outside the battery pack, so that the cost of eliminating the noise generated when the relay is turned on or off is reduced, the battery pack arrangement system is suitable for different vehicle types, and the application range is wide.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic structural diagram of a battery pack arrangement system according to an embodiment of the present invention;
in the figure, 1-battery pack, 2-electric control device, 3-motor, 4-DC converter, 5-power supply, 11-battery core module, 12-battery manager, 13-fuse, 21-shell and 22-relay.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.
Example one
In one embodiment, a battery pack arranging system is provided, as shown in fig. 1, the system includes: battery package 1, electrically controlled device 2 and motor 3, electrically controlled device 2 sets up battery package 1 with between the motor 3, electrically controlled device 2 includes casing 21 and relay 22, relay 22 sets up in the casing 21, casing 21 is confined space, casing 21 both sides set up the wiring end respectively, a wiring end with battery package 1 electric connection, another wiring end with motor 3 electric connection, battery package 1 with motor 3 passes through relay 22 charges each other.
Specifically, the housing 21 serves to block transmission of noise generated by the opening or closing of the relay 22 to the passenger compartment, improving comfort of the passenger.
Further, the battery pack 1 is a 48V battery pack.
Further, the battery pack 1 includes a cell module 11, a battery manager 12 and a fuse 13, and the cell module 11 and the battery manager 12 are connected in series through the fuse 13.
Further, the battery manager 12 is electrically connected to the electric control device 2, and the battery manager 12 is configured to control the relay 22 to be turned on or off.
Further, the housing 21 is made of a high temperature resistant metal material.
Further, the system further comprises a direct current converter 4, the battery pack 1 and the motor 3 are both electrically connected with the direct current converter 4, and the direct current converter 4 is used for converting alternating current of the battery pack 1 into direct current to be charged to a power supply 5.
Further, the power supply 5 is a 12V power supply.
Specifically, the present embodiment also mentions a vehicle including any one of the battery pack control systems.
Further, the electronic control device 2 in the battery pack control system is disposed in the cabin of the vehicle.
Further, the vehicle further comprises a vehicle control unit, the vehicle control unit is electrically connected with the battery manager 12, and the vehicle control unit is used for sending a relay opening or closing instruction to the battery manager 12.
Specifically, when the vehicle control unit sends a command to turn on or off a relay to the battery manager 12, the dc converter 4 performs pre-charging to the power supply 5, and when the terminal voltage and the pack voltage of the medium voltage battery management system in the vehicle are less than preset thresholds, the battery manager 12 controls the relay 22 to be turned on or off, wherein, when the battery manager 12 detects that an emergency fault occurs, the battery manager 12 does not need to wait for receiving a relay opening or closing instruction of the vehicle controller, but rather, the relay 22 is directly hard-wired to be turned on or off for a certain time period, regardless of whether the relay 22 is turned on or off, the noise caused by the relay 22 is diffused into the engine compartment, so that passengers in the passenger compartment feel lower noise decibels, and the comfort of the passengers is improved.
Specifically, the present embodiment and the conventional technical solutions, that is, the relay is disposed in the battery pack, and a noise decibel test is performed in the cockpit, and the test results are as follows in table 1:
TABLE 1
Specifically, the position of the 1 st group of experimental tests is the main driving position in the cockpit, the position of the 2 nd group of experimental tests is the copilot position in the cockpit, and the position of the 3 rd group of experimental tests is the back row position in the cockpit.
Specifically, according to the experimental data analysis in table 1, in the present embodiment, the relay 22 is disposed outside the battery pack 1 and electrically connected to the battery pack 1 through the housing 21, so that on the premise that the normal use of the battery pack 1 is not affected, the effect of the noise generated by the opening or closing of the relay 22 on the passengers in the cabin is reduced, mainly, a part of the noise generated by the opening or closing of the relay 22 is blocked by the housing, and the noise generated by the opening or closing of the other relay 22 is masked by the sound in the engine cabin;
in addition, noise generated by the opening or closing of the relay 22 is also diffused to the outside of the cabin.
The embodiment I provides a battery package arrangement system and vehicle, can reduce the influence of the noise when the relay opens or closes to the passenger in the cockpit, improves passenger's comfort level, improves the driving comfort, also can simplify the distribution in the battery package, reduces the volume of battery package, optimizes the distribution of battery package on the vehicle, can reduce the cost of eliminating the noise when the relay opens or closes simultaneously, is applicable to different motorcycle types, and application scope is extensive.
Example two
The second embodiment provides a battery pack arrangement system and a vehicle, wherein the vehicle comprises any one of the battery pack control systems.
Further, among the battery package control system electrically controlled device 2 sets up the vehicle bottom of vehicle, the noise that relay 22 caused diffuses to the vehicle bottom, makes the noise that relay 22 caused diffuses to the cockpit outside, makes the passenger feel less noise decibel in the passenger cabin, improves passenger's comfort.
Specifically, the present embodiment and the conventional technical solutions, that is, the relay is disposed in the battery pack, and a noise decibel test is performed in the cockpit, and the test results are as follows in table 2:
TABLE 2
Serial number This example Conventional technical solutions
1 8-15dB 30-40dB
2 8-15dB 30-40dB
3 10-18dB 28-45dB
Specifically, the position of the 1 st group of experimental tests is the main driving position in the cockpit, the position of the 2 nd group of experimental tests is the copilot position in the cockpit, and the position of the 3 rd group of experimental tests is the back row position in the cockpit.
Specifically, according to the experimental data analysis of table 2, in this embodiment, the relay 22 is disposed outside the battery pack 1, and is electrically connected to the battery pack 1 through the housing 21, so that on the premise that the normal use of the battery pack 1 is not affected, the influence of the noise generated by the opening or closing of the relay 22 on the passengers in the cabin is reduced, mainly, the noise generated by the opening or closing of a part of the relay 22 is blocked by the housing, and the noise generated by the opening or closing of another part of the relay 22 is diffused to the outside of the cabin.
The difference between the second embodiment and the first embodiment is that the relay is arranged at different positions, the relay is arranged at the bottom of the vehicle, the space of the vehicle can be effectively utilized, the distribution of an engine compartment is simplified, meanwhile, the technical effect the same as that of the first embodiment can be realized, the influence of noise generated when the relay is opened or closed on passengers in the engine compartment can be reduced, the comfort level of the passengers is improved, the driving comfort is improved, the distribution in a battery pack can be simplified, the size of the battery pack is reduced, the distribution of the battery pack on the vehicle is optimized, meanwhile, the cost of noise generated when the relay is opened or closed can be reduced and eliminated, the vehicle type intelligent control device is suitable for different vehicle types, and.
The foregoing description has disclosed fully preferred embodiments of the present invention. It should be noted that those skilled in the art can make modifications to the embodiments of the present invention without departing from the scope of the appended claims. Accordingly, the scope of the appended claims is not to be limited to the specific embodiments described above.

Claims (10)

1. A battery pack arrangement system, comprising: battery package (1), electrically controlled device (2) and motor (3), electrically controlled device (2) set up battery package (1) with between motor (3), electrically controlled device (2) include casing (21) and relay (22), relay (22) set up in casing (21), casing (21) are confined space, casing (21) both sides set up the wiring end respectively, a wiring end with battery package (1) electric connection, another wiring end with motor (3) electric connection, battery package (1) with motor (3) pass through relay (22) carry out mutual charging.
2. A battery pack arrangement system according to claim 1, wherein the battery pack (1) is a 48V battery pack.
3. A battery pack arrangement system according to claim 2, wherein the battery pack (1) comprises a cell module (11), a battery manager (12) and a fuse (13), the cell module (11) and the battery manager (12) being connected in series via the fuse (13).
4. A battery pack arrangement system according to claim 3, wherein the battery manager (12) is electrically connected to the electronic control device (2), the battery manager (12) being adapted to control the relay (22) to be switched on or off.
5. A battery pack arrangement according to claim 1, wherein said housing (21) is made of a high temperature resistant metal.
6. A battery pack arrangement system according to claim 1, wherein the system further comprises a dc converter (4), the battery pack (1) and the electric machine (3) being electrically connected to the dc converter (4), the dc converter (4) being adapted to convert ac power of the battery pack (1) into dc power for charging to a power source (5).
7. A battery pack arrangement system according to claim 6, wherein said power source (5) is a 12V power source.
8. A vehicle characterized in that the vehicle comprises a battery pack arranging system according to any one of claims 1 to 7.
9. A vehicle according to claim 9, characterized in that the electric control device (2) in the battery pack arrangement system is arranged in the cabin of the vehicle.
10. A vehicle according to claim 9, further comprising a vehicle controller electrically connected to the battery manager (12), the vehicle controller being configured to send a command to turn on or off a relay to the battery manager (12).
CN202010020399.5A 2020-01-09 2020-01-09 Battery pack arrangement system and vehicle Pending CN111071022A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010020399.5A CN111071022A (en) 2020-01-09 2020-01-09 Battery pack arrangement system and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010020399.5A CN111071022A (en) 2020-01-09 2020-01-09 Battery pack arrangement system and vehicle

Publications (1)

Publication Number Publication Date
CN111071022A true CN111071022A (en) 2020-04-28

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4844401A (en) * 1988-06-29 1989-07-04 Hi-Ram, Inc. Noise isolated relay
CN1937132A (en) * 2005-09-21 2007-03-28 蒂科电子公司 Electromagnetic relay with noise reducing sealant material
CN201732733U (en) * 2009-12-30 2011-02-02 王兆春 Electromagnetic type automobile relay
US20140014421A1 (en) * 2012-07-11 2014-01-16 Neil Carpenter Thermal management of electric vehicle battery pack in the event of failure of battery pack heater
CN103552479A (en) * 2013-11-11 2014-02-05 镇江中研电控有限公司 Vehicle power assembly and control circuit thereof
CN206116292U (en) * 2016-08-29 2017-04-19 廖为龙 Hush air switching relay and car braking circuit who has silence effect
CN108501724A (en) * 2018-03-02 2018-09-07 陈慧仪 A kind of new energy auto high-voltage electrical box
CN109228868A (en) * 2018-09-10 2019-01-18 上海元城汽车技术有限公司 High voltage distribution box and electric car
CN208507586U (en) * 2017-12-19 2019-02-15 四川泛华电器有限责任公司 A kind of automobile low-noise relay
JP2019036507A (en) * 2017-08-22 2019-03-07 株式会社豊田自動織機 Battery pack
CN209441200U (en) * 2018-10-29 2019-09-27 广西汽车集团有限公司 A kind of high voltage power distribution device and pure electric automobile

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4844401A (en) * 1988-06-29 1989-07-04 Hi-Ram, Inc. Noise isolated relay
CN1937132A (en) * 2005-09-21 2007-03-28 蒂科电子公司 Electromagnetic relay with noise reducing sealant material
CN201732733U (en) * 2009-12-30 2011-02-02 王兆春 Electromagnetic type automobile relay
US20140014421A1 (en) * 2012-07-11 2014-01-16 Neil Carpenter Thermal management of electric vehicle battery pack in the event of failure of battery pack heater
CN103552479A (en) * 2013-11-11 2014-02-05 镇江中研电控有限公司 Vehicle power assembly and control circuit thereof
CN206116292U (en) * 2016-08-29 2017-04-19 廖为龙 Hush air switching relay and car braking circuit who has silence effect
JP2019036507A (en) * 2017-08-22 2019-03-07 株式会社豊田自動織機 Battery pack
CN208507586U (en) * 2017-12-19 2019-02-15 四川泛华电器有限责任公司 A kind of automobile low-noise relay
CN108501724A (en) * 2018-03-02 2018-09-07 陈慧仪 A kind of new energy auto high-voltage electrical box
CN109228868A (en) * 2018-09-10 2019-01-18 上海元城汽车技术有限公司 High voltage distribution box and electric car
CN209441200U (en) * 2018-10-29 2019-09-27 广西汽车集团有限公司 A kind of high voltage power distribution device and pure electric automobile

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