CN205646041U - Battery pack , battery monitoring system and vehicle - Google Patents
Battery pack , battery monitoring system and vehicle Download PDFInfo
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- CN205646041U CN205646041U CN201620274477.3U CN201620274477U CN205646041U CN 205646041 U CN205646041 U CN 205646041U CN 201620274477 U CN201620274477 U CN 201620274477U CN 205646041 U CN205646041 U CN 205646041U
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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
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Abstract
The utility model discloses a battery pack, battery monitoring system and vehicle, battery pack, include: first battery module is equipped with a electrode terminals on the first battery module, second battery module is equipped with the 2nd electrode terminals on the second battery module, the connecting piece, the connecting piece is connected between a electrode terminals and the 2nd electrode terminals, sampling, including first sampling terminal and second sampling terminal, a neighbouring electrode terminals's on a electrode terminals or on the connecting piece one end is connected to first sampling terminal electricity, the connection of second sampling terminal electricity is close to the 2nd electrode terminals on the 2nd electrode terminals or on the connecting piece one end, voltage detection device, voltage detection device and sampling piece link to each other in order to detect the voltage between first sampling terminal and the second sampling terminal. The utility model discloses a battery pack can detect the contact resistance between the battery module, and the contact of discerning in advance between the battery module is unusual, and battery pack's security is high, still can reduce useless consumption.
Description
Technical field
This utility model belongs to technical field of vehicle manufacture, in particular to a kind of battery component, setting
The battery monitor system having this battery component and the vehicle that is provided with this battery component and be provided with this battery
The vehicle of monitoring system.
Background technology
Battery component generally includes multiple battery modules, is connected by connector or also between two battery modules
Connection gets up, and connector is usually bolt locking or welds with the fixed form of battery modules.
There is contact resistance in the connection of connector and battery modules, and the size of contact resistance and the fastening being connected
Degree has the biggest dependency, and due to vibration, the reason such as aging, contact resistance is also possible to be gradually increased.
Contact resistance can cause useless power consumption, when connector is connected insecure with battery modules, also can exist and draw
Arc phenomenon, have a strong impact on battery component use safety, in correlation technique the most not to battery modules between
Contact resistance is monitored, and there is room for improvement.
Utility model content
One of technical problem that this utility model is intended to solve in correlation technique the most to a certain extent.For
This, a purpose of the present utility model is to propose the battery component that a kind of safety is high.
Another purpose of the present utility model is to propose a kind of battery cell monitoring system with above-mentioned battery component
System.
Another purpose of the present utility model is to propose a kind of vehicle with above-mentioned battery component.
Further object of the present utility model is to propose a kind of vehicle with above-mentioned battery monitor system.
According to the battery component of this utility model first aspect, including: the first battery modules, described first electricity
Pond module is provided with the first electrode terminal；Second battery modules, described second battery modules is provided with the second electricity
Extreme son；Connector, described connector be connected to described first electrode terminal and described second electrode terminal it
Between；Sampling member, including the first sampling terminal and the second sampling terminal, described first sampling terminal is connected electrically in
One end of neighbouring first electrode terminal on described first electrode terminal or on described connector, described second sampling
Terminal is connected electrically on described second electrode terminal or one end of neighbouring second electrode terminal on described connector；
Voltage check device, described voltage check device is connected with described sampling member to detect described first sampling terminal
And the voltage that second between sampling terminal.
According to the battery component of this utility model first aspect, by arranging sampling member and voltage check device,
The contact resistance between battery modules can be detected, identify that the contact between battery modules is abnormal in advance, release
The potential safety hazard of battery component, improves the safety of battery component, and uses single sampling member, it is simple to dimension
Repair and replace, the simple in construction of battery component, line clear, maintenance and low cost of manufacture.
It addition, can also have the technical characteristic added as follows according to the battery component that this utility model is above-mentioned:
Preferably, described sampling member includes: connection-peg, and described connection-peg is connected with described voltage check device；
First sampling line, one end of described first sampling line is connected with the first sampling terminal, the other end and described grafting
Head is connected；Second sampling line, described second sampling line one end be connected with the second sampling terminal, the other end and
Described connection-peg is connected.
Alternatively, described sampling member includes the 3rd sampling line and the 3rd sampling terminal, described 3rd sampling line
One end is connected with the 3rd sampling terminal, and the other end is connected with connection-peg；Described first sampling terminal and the first electricity
Extreme son connects, and described second sampling terminal and the second electrode terminal connect, and described 3rd sampling terminal connects
Centre position at described connector.
Alternatively, described battery component also includes: the first electrode leading-out sheet, described first electrode leading-out sheet
Being connected with described first electrode terminal, described connector is by described first electrode leading-out sheet and described first electricity
Extreme son is connected, and described first sampling terminal is connected by the first electrode leading-out sheet and the first electrode terminal；The
Two electrode leading-out sheets, described second electrode leading-out sheet is connected with described second electrode terminal, and described connector leads to
Crossing described second electrode leading-out sheet to be connected with described second electrode terminal, described second sampling terminal passes through second
Electrode leading-out sheet and the second electrode terminal are connected.
Alternatively, described connector includes: threaded connector；Connecting sheet, described connection sheet is by screw thread even
Fitting is connected with described first electrode leading-out sheet and the second electrode leading-out sheet.
Alternatively, described battery component also includes two battery information watch-dogs；Described first battery modules
Including multiple the first battery cores being serially connected, one in two described battery information watch-dogs is used for monitoring institute
State the voltage of the first battery core；Described second battery modules includes multiple the second battery core being serially connected, two institutes
State another in battery information watch-dog for monitoring the voltage of described second battery core.
Alternatively, in two described battery information watch-dogs constitutes described voltage check device.
Alternatively, described battery component also includes: the first electrode connecting parts, and any two is disposed adjacent
The electrode of described first battery core is connected so that multiple described first battery core strings by described first electrode connecting parts
Connection connects；Second electrode connecting parts, the electrode of described second battery core that any two is disposed adjacent is by described
Second electrode connecting parts is connected so that multiple described second battery cores are connected in series；Sampling component, described set of samples
Part is provided with multiple connection terminal, each described first electrode connecting parts and each described second electrode connecting parts
All described connection terminals of one_to_one corresponding one, each connection terminal is all connected with described battery information watch-dog.
Alternatively, described sampling component includes: multiple sampling plates, and multiple described connection terminals are separately fixed at
On multiple described sampling plates, one end of the close described battery information watch-dog of described sampling plate is provided with grafting
Part, the described connection terminal on each described sampling plate is all believed with described battery by corresponding described plug connector
Breath watch-dog is connected.
According to the battery monitor system of this utility model second aspect, including: battery component, described set of cells
Part is any one described battery component of first aspect；Current detecting unit, described current detecting unit is used for
Detection flows through the electric current of described connector；Communication converting unit, described current detecting unit and the inspection of described voltage
Survey device to be all connected with described communication converting unit；Battery management controller, described communication converting unit and institute
State battery management controller to be connected, so that described battery management controller is according to the letter of described communication converting unit
Number control described loop break-make.
Described battery monitor system is identical relative to prior art have the advantage that with above-mentioned battery component,
Do not repeat them here.
It addition, it is special to have following additional technology according to the battery monitor system that this utility model is above-mentioned
Levy:
Preferably, described battery monitor system also includes: relay, and described relay is connected on described battery
In the loop that assembly and load are formed, and described relay is connected so that described with described battery management controller
Battery management controller controls described relay according to the signal of described communication converting unit.
Preferably, described battery monitor system also includes: warning devices, described warning devices and described battery
Management Controller is connected, and described battery management controller is arranged in described first electrode terminal and described second
Described police is controlled when resistance between electrode terminal is more than or equal to the first preset value and less than the second preset value
Reporting device sends maintenance alarm, and controls described police when described resistance is more than or equal to described second preset value
Reporting device sends power-off alarm and controls the disconnection of described loop.
Alternatively, described first preset value is r1, and described second preset value is r2, and meets: 4m Ω≤
R1≤10m Ω, 2 Ω≤r2≤5 Ω.
According to the vehicle of this utility model third aspect, arrange just like any one described set of cells of first aspect
Part.
Described vehicle is identical relative to prior art have the advantage that with above-mentioned battery component, at this no longer
Repeat.
According to the vehicle of this utility model fourth aspect, arrange just like any one described battery prison of the third aspect
Ore-controlling Role.
Described vehicle is identical relative to prior art have the advantage that with above-mentioned battery monitor system, at this
Repeat no more.
Accompanying drawing explanation
Embodiment is retouched by above-mentioned and/or additional aspect of the present utility model and advantage from combining accompanying drawings below
Will be apparent from easy to understand in stating, wherein:
Fig. 1 is the structural representation of the battery according to one embodiment of this utility model；
Fig. 2 is the explosive view of the battery according to one embodiment of this utility model；
Fig. 3 is the structural representation of the battery according to another embodiment of this utility model；
Fig. 4 is the explosive view of the battery according to another embodiment of this utility model；
Fig. 5 is the attachment structure schematic diagram of the sampling member according to another embodiment of this utility model；
Fig. 6 is the structural representation of the battery monitor system according to this utility model embodiment.
Reference:
Battery monitor system 10, battery component 100, the 3rd battery modules 103, the 4th battery modules 104,
First battery modules 110, the first electrode terminal 111, the first electrode leading-out sheet 112, the first battery core 113,
First electrode connecting parts 114, the first housing 115, the second battery modules 120, the second electrode terminal 121,
Second electrode leading-out sheet 122, the second battery core 123, the second electrode connecting parts 124, the second housing 125, even
Fitting 130, connection sheet 131, threaded connector 132, sampling member 140, the first sampling terminal 141, the
Two sampling terminals 142, connection-peg 143, the first sampling line 144, the second sampling line 145, the 3rd sampling line
146, the 3rd sampling terminal 147, voltage check device 150, battery information watch-dog 151, sampling plate 161,
Connection terminal 162, plug connector 163, motor 200, current detecting unit 300, communication converting unit 400,
Battery management controller 500, relay 600.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, its
In the most same or similar label represent same or similar element or there is same or like function
Element.The embodiment described below with reference to accompanying drawing is exemplary, it is intended to be used for explaining that this practicality is new
Type, and it is not intended that to restriction of the present utility model.
In description of the present utility model, it is to be understood that term " length ", " width ", " thickness ",
On " ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ",
Orientation or the position relationship of the instruction such as " interior ", " outward " are based on orientation shown in the drawings or position relationship, only
It is for the ease of describing this utility model and simplifying description rather than instruction or the device of hint indication or element
Must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that new to this practicality
The restriction of type.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint
Relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ",
The feature of " second " can express or implicitly include at least one this feature.Retouch of the present utility model
In stating, " multiple " are meant that at least two, such as two, three etc., unless otherwise the most concrete
Limit.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ",
" connect ", the term such as " fixing " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be can
Dismounting connects, or integral；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together,
Can also be indirectly connected to by intermediary, can be connection or two elements mutual of two element internals
Interactively, unless otherwise clear and definite restriction.For the ordinary skill in the art, can basis
Concrete condition understands above-mentioned term concrete meaning in this utility model.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on "
Or D score can be that the first and second features directly contact, or the first and second features are by middle matchmaker
Jie's mediate contact.And, fisrt feature second feature " on ", " top " and " above "
Fisrt feature is directly over second feature or oblique upper, or is merely representative of fisrt feature level height
Higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " permissible
Be fisrt feature immediately below second feature or obliquely downward, or it is little to be merely representative of fisrt feature level height
In second feature.
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
The battery component 100 according to this utility model embodiment is described in detail, such as figure with reference first to Fig. 1-Fig. 5
Shown in 1-Fig. 5, battery component 100 includes first battery modules the 110, second battery modules 120, connects
Part 130, sampling member 140 and voltage check device 150.
Wherein, the first battery modules 110 is provided with the first electrode terminal 111, in the second battery modules 120
Being provided with the second electrode terminal 121, the first electrode terminal 111 and the second electrode terminal 121 are by connector 130
Be connected, i.e. connector 130 is connected between the first electrode terminal 111 and the second electrode terminal 121, and first
Battery modules 110 and the second battery modules 120 can be series connection, it is also possible to for parallel connection, sampling member 140 is wrapped
Including the first sampling terminal 141 and the second sampling terminal 142, the first sampling terminal 141 is connected electrically in the first electricity
On extreme son 111 or the first sampling terminal 141 is connected electrically on connector 130 neighbouring first electrode terminal
One end of 111, the second sampling terminal 142 is connected electrically on the second electrode terminal 121 or the second sampling terminal
142 one end being connected electrically on connector 130 neighbouring second electrode terminal 121.Voltage check device 150
It is connected with sampling member 140 to detect the voltage between the first sampling terminal 141 and the second sampling terminal 142.
It is understood that the first electrode terminal 111 and the second electrode terminal 121 are by connector 130 phase
Even, there is contact resistance, connector 130 and the second electricity between connector 130 and the first electrode terminal 111
Contact resistance is there is also between extreme son 121.
When the first sampling terminal 141 is connected electrically on the first electrode terminal 111 and the second sampling terminal 142 electricity
When being connected on the second electrode terminal 121, by using voltage check device 150 to detect the first sampling terminal
141 and the second voltage U between sampling terminal 142, then detection flows through the electric current I of connector 130, i.e.
The contact resistance R of connector 130, and R=U/I can be drawn by Ohm's law.Particularly at connector 130
During deformation, contacting of connector 130 and the first electrode terminal 111 and the second electrode terminal 121 may be by
Destroy, now between connector 130 and the first electrode terminal 111 and connector 130 and the second electrode tip
Between son 121, contact resistance can be increased dramatically.
Identical principle, when the first sampling terminal 141 is connected electrically on connector 130 neighbouring first electrode tip
One end of son 111 and the second sampling terminal 142 are connected electrically on connector 130 neighbouring second electrode terminal
121 one end time, by using voltage check device 150 to detect the first sampling terminal 141 and the second sampling
Voltage between terminal 142 can monitor the resistance variations of connector 130, particularly at connector 130
When deformation or fracture, the resistance of connector 130 is big, and battery component 100 can quickly respond this fault.One
As in scheme, the middle part of connector 130 can be provided with buffer part；Specifically used mistake in battery modules
Cheng Zhong, uses the rocking or jolting of environment, can the bending of band follower link 130 or distortion, constantly
Bending, rocking or distort, connector 130 can fracture or local fractures, and causes the resistance to increase；At this moment,
Temperature can sharply increase, and causes danger on fire, and battery modules is brought damage or adverse consequences on fire；
In this utility model, by the two ends on detection connector 130 respectively close to the first electrode terminal 111 He
Voltage between second electrode terminal 121 position, and then calculate internal resistance between the two, at connector
During 130 infringement (when fracture or local fracture), in time sample information is fed back to management system, to electricity
Pond module is protected timely, it is to avoid the generation of adverse consequences.
Battery component 100 according to this utility model embodiment, by arranging sampling member 140 and voltage detecting
Device 150, can detect (the such as first battery modules 110 and the second battery modules 120 between battery modules
Between) contact resistance, identify the contact exception between battery modules or the exception of connector 130 in advance,
Release the potential safety hazard of battery component 100, improve the safety of battery component 100, and reduce useless power consumption,
Using electricity wisely, extends the course continuation mileage of battery component 100, and uses single sampling member 140, it is simple to dimension
Repair and replace, the simple in construction of battery component 100, line clear, maintenance and low cost of manufacture.
Preferably, the first sampling terminal 141 is connected with the first electrode terminal 111 and is connected to the first electrode tip
Near the contact point of son 111 and connector 130, the second sampling terminal 142 and the second electrode terminal 121 phase
Connect and be connected near the contact point of the second electrode terminal 121 and connector 130.Thus, it is possible to reduce the
The impact on testing result of the resistance of one electrode terminal 111 and the second electrode terminal 121 itself.
In preferred embodiments more of the present utility model, as shown in Fig. 2, Fig. 4 and Fig. 5, set of cells
Part 100 can also include the first electrode leading-out sheet 112 and the second electrode leading-out sheet 122.
First electrode leading-out sheet 112 can be connected with the first electrode terminal 111, the such as first electrode leading-out sheet
Can be provided with the first connecting hole coordinated with the first electrode terminal 111 on 112, the first electrode terminal 111 can
To be weldingly connected through the first connecting hole and the first electrode leading-out sheet 112.Connector 130 is again by the first electricity
Pole lead-out tablet 112 is connected with the first electrode terminal 111, and such as connector 130 can weld or threaded
On the first electrode leading-out sheet 112.First sampling terminal 141 is by the first electrode leading-out sheet 112 and first
Electrode terminal 111 is connected, and the i.e. first sampling terminal 141 can be connected with the first electrode leading-out sheet 112.
Second electrode leading-out sheet 122 can be connected with the second electrode terminal 121, the such as second electrode leading-out sheet
Can be provided with the second connecting hole coordinated with the second electrode terminal 121 on 122, the second electrode terminal 121 can
To be weldingly connected through the second connecting hole and the second electrode leading-out sheet 122.Connector 130 is again by the second electricity
Pole lead-out tablet 122 is connected with the second electrode terminal 121, and such as connector 130 can weld or threaded
On the second electrode leading-out sheet 122.Second sampling terminal 142 is by the second electrode leading-out sheet 122 and second
Electrode terminal 121 is connected, and the i.e. second sampling terminal 142 can be connected with the second electrode leading-out sheet 122.
Further, the first sampling terminal 141 can pass through the first electrode leading-out sheet 112 and the first electrode tip
Son 111 is connected, and the second sampling terminal 142 can pass through the second electrode leading-out sheet 122 and the second electrode terminal
121 are connected.
It is understood that the first electrode terminal 111 can be by the first electrode leading-out sheet 112 and other yuan
Part is connected, and the second electrode terminal 121 can be connected with other elements by the second electrode leading-out sheet 122.By
This, when maintenance, be possible to prevent to damage the first electrode terminal 111 or the second electrode tip owing to repeatedly connecting
Son 121, the maintenance of battery component 100 is more convenient, and maintenance cost is low.
Alternatively, as Figure 1-Figure 5, connector 130 can include threaded connector 132 and connect sheet
131, connect sheet 131 and can be threaded connection part 132 and the first electrode leading-out sheet 112 and the second electrode
Lead-out tablet 122 is connected.Thus, the assembly or disassembly of connector 130 is the most convenient.
Alternatively, connect sheet 131 and can pass through two threaded connectors 132 and the first electrode leading-out sheet 112
It is connected, and is connected with the second electrode leading-out sheet 122 by two other threaded connector 132, thus, even
Being connected firmly of contact pin 131 and the first electrode leading-out sheet 112 and the second electrode leading-out sheet 122.
In preferred embodiments more of the present utility model, as shown in figs 2-4, sampling member 140 also may be used
To include connection-peg the 143, first sampling line 144 and the second sampling line 145, connection-peg 143 can be with electricity
Pressure detection device 150 is connected, and one end of the first sampling line 144 is connected with the first sampling terminal 141, and first
The other end of sampling line 144 is connected with connection-peg 143, one end of the second sampling line 145 and the second sampling end
Son 142 is connected, and the other end of the second sampling line 145 is connected with connection-peg 143.
The interface coordinated with connection-peg 143 can be provided with, thus, it is simple to voltage on voltage check device 150
Detection device 150 detects the voltage between the first electrode terminal 111 and the second electrode terminal 121, and battery
Assembly 100 easy to assembly.
In other optional embodiments of the present utility model, as it is shown in figure 5, sampling line 142 is all right
Including the 3rd sampling line 146 and the 3rd sampling terminal 147, one end of the 3rd sampling line 146 and the 3rd sampling
Terminal 147 connects, and the other end of the 3rd sampling line 146 is connected with connection-peg 143；First sampling terminal
141 are connected with the first electrode terminal 111, and the second sampling terminal 142 is connected with the second electrode terminal 121,
3rd sampling terminal 147 is connected to the centre position of connector 130.
Thus, it is possible to the voltage between detection the first electrode terminal 111 and connector 130 and the second electrode
Voltage between terminal 121 and connector 130, such that it is able to individually detection connector 130 and the first electrode
The contact resistance of terminal 111 and connector 130 and the contact resistance of the second electrode terminal 121, namely
Saying, can individually judge the contact resistance of each junction point, quickly response is out of order a little, battery component 100
Battery modules between contact resistance detection more accurate.
In preferred embodiments more of the present utility model, as Figure 1-Figure 4, battery component 100
Can also include multiple battery information watch-dog 151, each battery modules can individually be equipped with a battery letter
Breath watch-dog 151, includes the first battery modules 110 and the second battery modules 120 at battery component 100
In embodiment, battery information watch-dog 151 can be two, and two battery information watch-dogs 151 can be with
First battery modules 110 and the second battery modules 120 one_to_one corresponding.
As Figure 1-Figure 4, the first battery modules 110 can include multiple the first battery core being serially connected
113, in two battery information watch-dogs 151 is for the voltage of monitoring the first battery core 113.Optional
Ground, multiple first battery cores 113 can be bolted together by the first housing 115.
Second battery modules 120 can include multiple the second battery core 123 being serially connected, two battery informations
Another in watch-dog 151 is for monitoring the voltage of the second battery core 123.Alternatively, multiple second battery cores
123 can be bolted together by the second housing 125.
Alternatively, one in two battery information watch-dogs 151 may be constructed voltage check device 150.
Thus, the structure of battery component 100 is simpler.
Further, as Figure 1-Figure 5, battery component 100 can also include the first electrode connecting parts
114, the second electrode connecting parts 124 and sampling component.
Wherein, the electrode of the first battery core 113 that any two is disposed adjacent can pass through the first electrode connecting parts
114 are connected so that multiple first battery cores 113 are connected in series, and are located at outermost two the first battery cores 113
Electrode can be connected with first electrode connecting parts 114 respectively, the number of the first electrode connecting parts 114
Can be more than the number of the first battery core 113 one；The electrode of the second battery core 123 that any two is disposed adjacent
Can be connected so that multiple second battery cores 123 are connected in series by the second electrode connecting parts 124, and be located at
The electrode of two second battery cores 123 in outside can be connected with second electrode connecting parts 124 respectively, the
The number of two electrode connecting parts 124 can be more than the number of the second battery core 123 one；On sampling component permissible
It is provided with multiple connection terminal 162, each first electrode connecting parts 114 and each second electrode connecting parts 124
All one_to_one corresponding one connect terminal 162, each connection terminal 162 can all with battery information watch-dog 151
It is connected.
In other words, two electrodes being serially connected can share a connection terminal 162.Thus, it is possible to it is big
Width reduces the number connecting terminal 162, and the structure of battery component 100 is simpler.
Specifically, as Figure 1-Figure 5, sampling component can include multiple sampling plate 161, multiple connections
Terminal 162 can be separately fixed on multiple sampling plate 161, the close battery information monitoring of sampling plate 161
One end of device 151 can be provided with plug connector 163, and the connection terminal 162 on each sampling plate 161 all passes through
Corresponding plug connector 163 is connected with corresponding battery information watch-dog 151.
It is understood that each battery modules can distinguish corresponding two sampling plates 161, each battery is believed
The interface of two and plug connector 163 adaptation, thus, the voltage prison of battery core can be provided with on breath watch-dog 151
Control is simple.
In sum, according to the battery component 100 of this utility model embodiment, the assembling of each battery modules
Simply, and by arranging sampling member 140, battery modules can be detected by battery information watch-dog 151
Between the contact resistance of (between the such as first battery modules 110 and the second battery modules 120), know in advance
Contact between other battery modules is abnormal, releases the potential safety hazard of battery component 100, improves battery component
The safety of 100, it is also possible to reduce the useless power consumption of battery component 100, using electricity wisely, extend set of cells
The course continuation mileage of part 100, and use single sampling member 140, it is simple to keep in repair and replace, battery component 100
Simple in construction, line clear, maintenance and low cost of manufacture.
Battery monitor system 10 according to this utility model embodiment is described below.
As shown in figs 1 to 6, battery monitor system 10 can include battery component 100, current detecting list
Unit 300, communication converting unit 400 and battery management controller 500.
Wherein, any one battery component 100 that battery component 100 describes for above-described embodiment, battery component
100 power supplys that can provide loaded work piece, such as load can be motor 200, and motor 200 may be used for
Driving the operating of car load, current detecting unit 300 to flow through the electric current of connector 130 for detection, electric current is examined
Survey unit 300 to be all connected with communication converting unit 400 with voltage check device 150, communication converting unit
400 are connected with battery management controller 500, and current signal can be believed by communication converting unit 400 with voltage
Number being converted into digital signal and flow to battery management controller 500, battery management controller 500 can root
Connection or the disconnection in loop is controlled according to the signal of communication converting unit 400.
It is understood that the contact resistance between the first battery modules 110 and the second battery modules 120 can
To be defined as R1, R1=U1/I1, in battery component 100 also includes the embodiment of other battery modules,
The most as shown in Figure 6, battery component 100 can also include the 3rd battery modules 103 and the 4th battery modules
104, the contact resistance between the second battery modules 120 and the 3rd battery modules 103 can be defined as R2,
R2=U2/I2, the contact resistance between the 3rd battery modules 103 and the 4th battery modules 104 can be defined as
R3, R3=U3/I3, be defined as r by the preset value of contact resistance, at first battery modules the 110, second electricity
In the embodiment that pond module the 120, the 3rd battery modules 103 and the 4th battery modules 104 are serially connected,
I1=I2=I3.
Such as when R1 >=r, it can be determined that go out between the first battery modules 110 and the second battery modules 120
Connection exist abnormal；Or during R2 >=r, it can be determined that go out the second battery modules 120 and the 3rd battery mould
Connection between group 103 exists abnormal；Or during R3 >=r, it can be determined that go out the 3rd battery modules 103
And the connection between the 4th battery modules 104 exists abnormal.
Battery monitor system 10 according to this utility model embodiment, can monitor connecing between battery modules
Get an electric shock and hinder, identify the contact exception between battery modules in advance and indicate abort situation, releasing battery component
The potential safety hazard of 100, improves the safety of battery component 100, and the reaction spirit of battery monitor system 10
Quick, simple in construction, line clear, maintenance and low cost of manufacture.
Alternatively, current detecting unit 300 can include that Hall chip, i.e. current detecting unit 300 are permissible
Current intensity is detected according to electromagnetic induction principle.
In optional embodiments more of the present utility model, as shown in Figure 6, battery monitor system 10 is also
Can include that relay 600, relay 600 can be connected on the loop that battery component 100 is formed with load
In, relay 600 can be connected with battery management controller 500 so that battery management controller 500 basis
The signal control relay 600 of communication converting unit 400.
It is understood that judge according to the signal of communication converting unit 400 at battery management controller 500
When contact resistance between battery modules is higher, battery management controller 500 can control relay 600
Disconnect, prevent from producing between battery component 100 unsafe phenomenons such as arcing.Due to relay 600
Fast response time, thus, it is possible to strengthen battery monitor system 10 sensitivity.
Preferably, battery monitor system 10 can also include warning devices (not shown), warning devices
Can be connected with battery management controller 500, battery management controller 500 can be arranged in the first electrode
Resistance between terminal 111 and the second electrode terminal 121 is more than or equal to the first preset value and less than second pre-
If control warning devices during value to send maintenance alarm, and at the first electrode terminal 111 and the second electrode terminal
Resistance between 121 sends power-off alarm more than or equal to control warning devices during the second preset value and controls
Loop disconnects.
It is understood that the first preset value can be defined as r1, the second preset value can be defined as r2.
When R1 ＜ r1, battery management controller 500 judges the first battery modules 110 and the second battery modules 120
Connect normal；When r1≤R1 ＜ r2, battery management controller 500 can control warning devices and send dimension
Repair alarm, exist between prompting user the first battery modules 110 and the second battery modules 120 and be connected extremely,
Need on-call maintenance；When r2≤R1, battery management controller 500 judge the first battery modules 110 with
Second battery modules 120 occurs connecting fault, can control warning devices and sends power-off alarm and control loop
Disconnect.
Alternatively, the first preset value r1 and the second preset value r2 can meet: 4m Ω≤r1≤10m Ω, and 2
Ω≤r2≤5Ω。
Specifically, the first preset value r1 and the second preset value r2 can meet r1=5m Ω, r2=5 Ω.
In sum, according to the battery monitor system 10 of this utility model embodiment, battery mould can be monitored
Contact resistance between group, identifies the contact exception between battery modules in advance and indicates abort situation, to carry
The safety of high battery component 100, and being quick on the draw of battery monitor system 10, simple in construction, circuit
Clearly, maintenance and low cost of manufacture.
Vehicle according to this utility model embodiment is described below.
As Figure 1-Figure 5, the vehicle of this utility model embodiment is provided with what above-described embodiment described
Any one battery component 100.
According to the vehicle of this utility model embodiment, by arranging the battery component 100 of said structure form,
The safety of vehicle is more preferable.
Alternatively, can be electric automobile or the mixed electrical automobile of oil electricity according to the vehicle of this utility model embodiment.
Vehicle according to this utility model embodiment is described below.
As shown in figs 1 to 6, the vehicle of this utility model embodiment is provided with what above-described embodiment described
Any one battery monitor system 10.
According to the vehicle of this utility model embodiment, by arranging the battery monitor system of said structure form
10, the safety of vehicle is more preferable.
Alternatively, can be electric automobile or the mixed electrical automobile of oil electricity according to the vehicle of this utility model embodiment.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ",
It is concrete that the description of " concrete example " or " some examples " etc. means to combine this embodiment or example describes
Feature, structure, material or feature are contained at least one embodiment of the present utility model or example.?
In this specification, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.
And, the specific features of description, structure, material or feature can be with one or more embodiments in office or show
Example combines in an appropriate manner.Additionally, in the case of the most conflicting, those skilled in the art can
Carry out with the feature of the different embodiments described in this specification or example and different embodiment or example
In conjunction with and combination.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-mentioned reality
It is exemplary for executing example, it is impossible to be interpreted as that, to restriction of the present utility model, those of ordinary skill in the art exists
Above-described embodiment can be changed in the range of this utility model, revise, replace and modification.
Claims (15)
1. a battery component, it is characterised in that including:
First battery modules, described first battery modules is provided with the first electrode terminal；
Second battery modules, described second battery modules is provided with the second electrode terminal；
Connector, described connector is connected between described first electrode terminal and described second electrode terminal；
Sampling member, including the first sampling terminal and the second sampling terminal, described first sampling terminal is connected electrically on described first electrode terminal or one end of neighbouring first electrode terminal on described connector, and described second sampling terminal is connected electrically on described second electrode terminal or one end of neighbouring second electrode terminal on described connector；
Voltage check device, described voltage check device is connected with described sampling member to detect the voltage between described first sampling terminal and the second sampling terminal.
Battery component the most according to claim 1, it is characterised in that described sampling member includes:
Connection-peg, described connection-peg is connected with described voltage check device；
First sampling line, one end of described first sampling line is connected with the first sampling terminal, and the other end is connected with described connection-peg；
Second sampling line, one end of described second sampling line is connected with the second sampling terminal, and the other end is connected with described connection-peg.
Battery component the most according to claim 2, it is characterised in that described sampling member includes that the 3rd sampling line and the 3rd sampling terminal, one end of described 3rd sampling line are connected with the 3rd sampling terminal, and the other end is connected with connection-peg；Described first sampling terminal and the first electrode terminal connect, and described second sampling terminal and the second electrode terminal connect, and described 3rd sampling terminal is connected to the centre position of described connector.
Battery component the most according to claim 1, it is characterised in that also include:
First electrode leading-out sheet, described first electrode leading-out sheet is connected with described first electrode terminal, described connector is connected with described first electrode terminal by described first electrode leading-out sheet, and described first sampling terminal is connected by the first electrode leading-out sheet and the first electrode terminal；
Second electrode leading-out sheet, described second electrode leading-out sheet is connected with described second electrode terminal, described connector is connected with described second electrode terminal by described second electrode leading-out sheet, and described second sampling terminal is connected by the second electrode leading-out sheet and the second electrode terminal.
Battery component the most according to claim 4, it is characterised in that described connector includes:
Threaded connector；
Connecting sheet, described connection sheet is threaded connection part and is connected with described first electrode leading-out sheet and the second electrode leading-out sheet.
Battery component the most according to claim 1, it is characterised in that also include two battery information watch-dogs；
Described first battery modules includes multiple the first battery core being serially connected, and in two described battery information watch-dogs is for monitoring the voltage of described first battery core；
Described second battery modules includes multiple the second battery core being serially connected, and another in two described battery information watch-dogs is for monitoring the voltage of described second battery core.
Battery component the most according to claim 6, it is characterised in that a described voltage check device of composition in two described battery information watch-dogs.
Battery component the most according to claim 6, it is characterised in that also include:
First electrode connecting parts, the electrode of described first battery core that any two is disposed adjacent is connected so that multiple described first battery cores are connected in series by described first electrode connecting parts；
Second electrode connecting parts, the electrode of described second battery core that any two is disposed adjacent is connected so that multiple described second battery cores are connected in series by described second electrode connecting parts；
Sampling component, described sampling component is provided with multiple connection terminal, each described first electrode connecting parts and each described one described connection terminal of the second equal one_to_one corresponding of electrode connecting parts, and each described connection terminal is all connected with described battery information watch-dog.
Battery component the most according to claim 8, it is characterised in that described sampling component includes:
Multiple sampling plates, multiple described connection terminals are separately fixed on multiple described sampling plate, one end of the close described battery information watch-dog of described sampling plate is provided with plug connector, and the described connection terminal on each described sampling plate is all connected with described battery information watch-dog by corresponding described plug connector.
10. a battery monitor system, it is characterised in that including:
Battery component, described battery component is the battery component according to any one of claim 1-9；
Current detecting unit, described current detecting unit flows through the electric current of described connector for detection；
Communication converting unit, described current detecting unit and described voltage check device are all connected with described communication converting unit；
Battery management controller, described communication converting unit is connected with described battery management controller, so that described battery management controller controls the break-make in loop according to the signal of described communication converting unit.
11. battery monitor system according to claim 10, it is characterised in that also include:
Relay, described relay is connected on described battery component and loads in the loop formed, and described relay is connected with described battery management controller so that described battery management controller controls described relay according to the signal of described communication converting unit.
12. battery monitor systems according to claim 10, it is characterised in that also include:
Warning devices, described warning devices is connected with described battery management controller, control described warning devices when the resistance that described battery management controller is arranged between described first electrode terminal and described second electrode terminal is more than or equal to the first preset value and less than the second preset value and send maintenance alarm, and control described warning devices when described resistance is more than or equal to described second preset value and send power-off alarm and control described loop and disconnect.
13. battery monitor systems according to claim 12, it is characterised in that described first preset value is r1, described second preset value is r2, and meets:
4m Ω≤r1≤10m Ω, 2 Ω≤r2≤5 Ω.
14. 1 kinds of vehicles, it is characterised in that be provided with battery component as claimed in any one of claims 1-9 wherein.
15. 1 kinds of vehicles, it is characterised in that arrange just like the battery monitor system according to any one of claim 10-13.
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| CN201620274477.3U CN205646041U (en) | 2016-03-31 | 2016-03-31 | Battery pack , battery monitoring system and vehicle |
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