CN206992261U - A kind of lithium battery group network temperature measuring system - Google Patents
A kind of lithium battery group network temperature measuring system Download PDFInfo
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- CN206992261U CN206992261U CN201720607677.0U CN201720607677U CN206992261U CN 206992261 U CN206992261 U CN 206992261U CN 201720607677 U CN201720607677 U CN 201720607677U CN 206992261 U CN206992261 U CN 206992261U
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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
It the utility model is related to a kind of lithium battery group network temperature measuring system, including three line threeway sockets, temperature transmitter component, three-wire connection device, lithium battery management system, temperature transmitter component detection single lithium battery temperature information, the negative or positive electrode of single lithium battery are connected with binding post；Single lithium battery is connected by binding post with temperature transmitter component, three line threeway sockets are fixed with temperature transmitter modular connector, it is connected between three line threeway sockets by three-wire connection device plugged and fixed, lithium battery management system by three line threeway sockets and three-wire connection device with temperature transmitter component.Advantage is：Temperature transmitter employs Earrings type crimping, and heat conduction ring is tightened with single lithium battery binding post with nut, then is connected with modular three lines threeway socket, i.e., bus type connects, and line is short and few, convenient installation, is also convenient for safeguarding；Using the connected mode of grafting, it is easily installed.
Description
Technical field
It the utility model is related to cell art, more particularly to a kind of lithium battery group network temperature measuring system.
Background technology
With the requirement of environmental protection, increasingly received much concern as the dynamic lithium battery of electric automobile energy storage device in recent years.
Electrokinetic cell is the unique power source of pure electric automobile, and its service behaviour and life-span is influenceed very big by environment temperature.It is dynamic
The performance and used life of power battery directly determines the performance and cost of electric automobile.
For electric automobile in charging or operation, the temperature of dynamic lithium battery group directly affects life-span and the safety of lithium battery.
In high temperature environments, irreversible reaction thing formation speed is accelerated inside dynamic lithium battery, the increasing of irreversible reaction thing
Cause the acceleration of the active volume of battery to reduce more, when the active volume sorrow of battery reduces to the 80% of battery rated capacity, electricity
The life-span in pond will terminate.
Even lithium battery charges or run at low temperature, i.e. lithium battery is under low temperature environment discharge and recharge, the internal resistance of battery
Increase, discharge voltage plateau reduce, can dischargeable capacity reduce, the efficiency for charge-discharge of battery substantially lowers, and has in itself to battery
Certain infringement.
Therefore, the cold-hot characteristic research and the exploitation of cold and hot management system to electric automobile lithium battery have important meaning
Justice.That is, lithium battery thermometric used for electric vehicle is an important measures.
At present, the thermometric of electric automobile lithium battery makees temperature sensor using thermal resistance or thermocouple more, and this kind of temperature passes
Sensor collection is analog signal, and its signal transmission is easily disturbed, and also needs to do the amplification and conversion of complexity, becomes data signal
Afterwards, battery management system (BMS) could use.Also have using digital temperature transmitter, but because transmitter mounting structure is paid no attention to
Think, cause complicated, installation, maintenance inconvenience, cost height.
The content of the invention
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of lithium battery group network temperature measuring system,
Using one-wire bus formula set of digits accepted way of doing sth temperature transmitter to lithium battery group thermometric, installed using inserting mode, connection is reliable, peace
Dress is convenient, is applicable to a variety of adverse circumstances.
To achieve the above object, the utility model is achieved through the following technical solutions：
A kind of lithium battery group network temperature measuring system, including three line threeway sockets, temperature transmitter component, three-wire connection device,
Lithium battery management system, temperature transmitter component detection single lithium battery temperature information, the negative or positive electrode of single lithium battery connect
It is connected to binding post；Single lithium battery is connected by binding post with temperature transmitter component, three line threeway sockets and temperature pick-up
Device assembly plugged and fixed, three lines are passed through by three-wire connection device plugged and fixed, lithium battery management system between three line threeway sockets
Threeway socket and three-wire connection device are connected with temperature transmitter component；
Three described line threeway sockets include insulation crust, three-way connector, three groups of three-way connectors envelope of mutually insulated
In insulation crust, three-way connector is by horizontal wire, vertical wires, left jack, right jack, vertical receptacle, horizontal wire
One end is connected with left jack, and the other end is connected with right jack, and vertical wires one end is connected with horizontal wire, and the other end is inserted with vertical
Hole connects, and described insulation crust end is provided with screw thread.
Described three-wire connection device is made up of insulation shell, wire, contact pin, insulating nut, the wire envelope of three groups of mutually insulateds
In insulation shell, wire both ends are respectively connected with contact pin, and insulation shell both ends are connected with insulating nut, and three-wire connection device passes through insulation
Nut is connected with the insulation crust of three line threeway sockets.
Described temperature transmitter component includes temperature transmitter, insulation fixing nut, heat conduction ring, temperature transmitter one end
It is fixedly connected with heat conduction ring, power end Vd ends, data terminal Cd ends and earth terminal and the three line threeways of the temperature transmitter other end are inserted
Seat grafting；Heat conduction ring is fixed on binding post by nut, and temperature transmitter is fixed with insulation fixing nut rotation connection, insulation
Nut is threadedly coupled with the insulation crust of three line threeway sockets.
Described temperature transmitter is DS18B20 temperature transmitters.
Described lithium battery management system need to manage some groups of lithium battery groups, and every group of lithium battery group is by 8 single lithium batteries
Composition, single lithium battery is powered as power supply as temperature transmitter using in lithium battery group, and the single lithium battery passes through power switch
It is connected with direct current transducer；Temperature transmitter in lithium battery group in each single lithium battery is connected with each other, wherein each number
It is connected according to end Cd, each power end Vd is connected, and each earth terminal is connected；Temperature transmitter between lithium battery group is connected with each other.
Compared with prior art, the beneficial effects of the utility model are：
The service requirement of lithium battery group used for electric vehicle is met, is had the advantages that：
1st, using one-wire bus formula set of digits accepted way of doing sth temperature transmitter, for lithium battery group temp measuring system, temperature-measuring range is wide,
Precision is high, and system architecture is simple, and easily dress, easy care, cost are low；
2nd, temperature transmitter employs Earrings type crimping, and heat conduction ring is tightened with single lithium battery binding post with nut, then is used
Modular three lines threeway socket connection, i.e. bus type connect, and line is short and few, convenient installation, are also convenient for safeguarding；Meanwhile adopt
With the connected mode of grafting, it is easily installed, and is tightened using the fixing nut that insulate, make its firm and reliable connection, it is ensured that inserts
Connect ambient dielectric, protection against the tide, salt spray proof；Heat transfer effect is realized by the firm connection of heat conduction ring, binding post, temperature transmitter
Good, measurement is accurate, and the purpose of firm and reliable connection, temperature transmitter can directly and accurately detect the temperature in lithium battery.
3rd, connected again by three-wire connection device between three line threeway sockets, it is easy to connect each other by receptacle pins grafting,
Fixed again by insulating nut, make stable connection, modular three lines threeway socket, three-wire connection device can protection against the tide, waterproof, anti-salt
Mist；
4th, the Temperature Transmitter DS18B20 of one-wire bus is employed, intelligent temperature measurement, i.e., each thermometric can be achieved
The bound temperature of point can be set, and can individually be warned, and recordable real time temperature curve, for lithium battery running state analysis；
5th, it is power supply with the single lithium battery in lithium battery group, passes through a DC/DC converter, you can convenient
To power end Vd power supplys, i.e. lithium battery group temp measuring system does not have to ad hoc power supply.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is temperature transmitter component scheme of installation.
Fig. 3 is the structural representation of three line threeway sockets.
Fig. 4 is the connection diagram of three line threeway sockets and temperature transmitter component.
Fig. 5 is the structural representation of three-wire connection device.
Fig. 6 is the connection diagram of three-wire connection device and three line threeway sockets.
Fig. 7 is 8 single lithium battery temperature detection elementary diagrams.
Fig. 8 is lithium battery group network temperature measuring systematic schematic diagram.
In figure：The left jack 15- of line threeway socket 11- insulation crust 12- horizontal wire 13- vertical wires 14- of 1- tri-
Right jack 16- vertical receptacles
2- temperature transmitter components 21- insulation fixing nut 22- temperature transmitter 23- sealing compound 24- heat conduction rings
25- nuts 26- packing ring 221- power end Vd ends 222- data terminal Cd ends 223- earth terminals
3- three-wire connection device 31- insulation shell 32- wire 33- contact pin 34- insulating nuts
4- single lithium battery 41- binding posts
5- lithium battery management systems.
Embodiment
The utility model is described in detail with reference to Figure of description, it should be noted that of the present utility model
Implementation is not limited to following embodiment.
See Fig. 1, Fig. 2, a kind of lithium battery group network temperature measuring system, including three line threeway sockets 1, temperature transmitter component 2,
Three-wire connection device 3, lithium battery management system 5, temperature transmitter component 2 detect the temperature information of single lithium battery 4, single lithium battery
4 negative or positive electrode is connected with binding post 41；Single lithium battery 4 is connected by binding post 41 with temperature transmitter component 2, and three
Line threeway socket 1 and the plugged and fixed of temperature transmitter component 2, consolidated by the grafting of three-wire connection device 3 between three line threeway sockets 1
Fixed, lithium battery management system 5 is connected by three line threeway sockets 1 and three-wire connection device 3 with temperature transmitter component 2.
See Fig. 3, three line threeway sockets 1 include insulation crust 11, three-way connector, three groups of three-way connectors of mutually insulated
Be encapsulated in insulation crust 11, three-way connector by horizontal wire 12, vertical wires 13, left jack 14, right jack 15, vertical insert
Hole 16, the one end of horizontal wire 12 are connected with left jack 14, and the other end is connected with right jack 15, and the one end of vertical wires 13 is led with level
Line 12 is connected, and the other end is connected with vertical receptacle 16, and the end of insulation crust 11 is provided with screw thread, to insulating nut 34 and insulation
Fixing nut 21 connects.
See Fig. 5, three-wire connection device 3 is made up of insulation shell 31, wire 32, contact pin 33, insulating nut 34, three groups of mutually insulateds
Wire 32 be encapsulated in insulation shell 31, the both ends of wire 32 are respectively connected with contact pin 33, and the both ends of insulation shell 31 are connected with insulating nut
34, insulation shell 31 is provided with groove, and the inwall of insulating nut 34 is provided with matching projection, realizes insulating nut 34 and insulation
Shell 31 is mutually rotated, and three-wire connection device 3 is connected by insulating nut 34 with the insulation crust 11 of three line threeway sockets 1, and protection is inserted
Pin 33 and jack, containment vessel is formed in its junction, insulation, waterproof, the purpose of protection against the tide is realized, sees Fig. 6.
See Fig. 2, Fig. 4, temperature transmitter component 2 includes temperature transmitter 22, insulation fixing nut 21, heat conduction ring 24, temperature
Degree one end of transmitter 22 is fixedly connected with heat conduction ring 24, power end Vd ends 221, the data terminal Cd ends of the other end of temperature transmitter 22
222 and the grafting of 223 and three line threeway socket of earth terminal 1；Heat conduction ring 24 is fixed on binding post 41 by nut 25, packing ring 26,
Realize that temperature transmitter 22 and the negative or positive electrode of single lithium battery 4 are connected, the temperature of detection is more accurate.Temperature transmitter
22 are rotatablely connected with insulation fixing nut 21, and temperature transmitter 22 is provided with groove, and the insulation inwall of fixing nut 21 is conformed with,
Form the structure that temperature transmitter 22 mutually rotates with the fixing nut 21 that insulate；Insulate the line threeway socket 1 of fixing nut 21 and three
Insulation crust 11 be threadedly coupled, splicing position formed closing structure, can insulate, waterproof, protection against the tide, salt spray proof.For enhancing temperature
The insulation of degree transmitter 22, waterproof, moisture resistance, in the end of temperature transmitter 22, and the main body of temperature transmitter 22 and power end
Vd ends 221, data terminal Cd ends 222 and the connection of earth terminal 223 set sealing compound 23.Wherein, temperature transmitter 22 is
DS18B20 temperature transmitters 22, it is better than thermal resistance effect, and with intelligent, easy for installation, the characteristics of being easy to safeguard.
See Fig. 7, Fig. 8, lithium battery management system 5 manages some groups of lithium battery groups, and every group of lithium battery group is by 8 monomer lithium electricity
Pond 4 is formed, and any one single lithium battery 4 is powered as power supply as temperature transmitter 22 using in lithium battery group, monomer lithium electricity
Pond 4 is connected by power switch with direct current transducer；The phase of temperature transmitter 22 in lithium battery group in each single lithium battery 4
Connect, wherein each data terminal Cd is connected, each power end Vd is connected, and each earth terminal 223 is connected；Between lithium battery group
Temperature transmitter 22 is connected with each other.D1-D8 is 8 single lithium batteries 4 in Fig. 7, and DCZ is lithium battery group, and K is power switch, Rd
For pull-up resistor, power end Vd ends 221 are 3.0-5V.Fig. 8 is temperature tube of the lithium battery management system 5 to 13 groups of lithium battery groups
Reason, every group of lithium battery group is a unit, and the temperature transmitter 22 of 13 groups of lithium battery groups is interconnected to form into 13 using serial ports
Group lithium battery group network temperature measuring system.
The utility model meets the service requirement of lithium battery group used for electric vehicle, has the advantages that：
1st, using one-wire bus formula set of digits accepted way of doing sth temperature transmitter, for lithium battery group temp measuring system, temperature-measuring range is wide,
Precision is high, and system architecture is simple, and easily dress, easy care, cost are low；
2nd, temperature transmitter employs Earrings type crimping, and heat conduction ring is tightened with single lithium battery binding post with nut, then is used
Modular three lines threeway socket connection, i.e. bus type connect, and line is short and few, convenient installation, are also convenient for safeguarding；Meanwhile adopt
With the connected mode of grafting, it is easily installed, and is tightened using the fixing nut that insulate, make its firm and reliable connection, it is ensured that inserts
Connect ambient dielectric, protection against the tide, salt spray proof；Heat transfer effect is realized by the firm connection of heat conduction ring, binding post, temperature transmitter
Good, measurement is accurate, and the purpose of firm and reliable connection, temperature transmitter can directly and accurately detect the temperature in lithium battery.
3rd, connected again by three-wire connection device between three line threeway sockets, it is easy to connect each other by receptacle pins grafting,
Fixed again by insulating nut, make stable connection, modular three lines threeway socket, three-wire connection device can protection against the tide, waterproof, anti-salt
Mist；
4th, the Temperature Transmitter DS18B20 of one-wire bus is employed, intelligent temperature measurement, i.e., each thermometric can be achieved
The bound temperature of point can be set, and can individually be warned, and recordable real time temperature curve, for lithium battery running state analysis；
5th, it is power supply with the single lithium battery in lithium battery group, passes through a DC/DC converter, you can convenient
To power end Vd power supplys, i.e. lithium battery group temp measuring system does not have to ad hoc power supply.
Claims (5)
1. a kind of lithium battery group network temperature measuring system, it is characterised in that including three line threeway sockets, temperature transmitter component, three
Wiring connector, lithium battery management system, temperature transmitter component detection single lithium battery temperature information, the positive pole of single lithium battery
Or negative pole is connected with binding post；Single lithium battery is connected by binding post with temperature transmitter component, three line threeway sockets with
Temperature transmitter modular connector is fixed, and passes through three-wire connection device plugged and fixed, lithium battery management system between three line threeway sockets
It is connected by three line threeway sockets and three-wire connection device with temperature transmitter component；
Three described line threeway sockets include insulation crust, three-way connector, and three groups of three-way connectors of mutually insulated are encapsulated in
In insulation crust, three-way connector is by horizontal wire, vertical wires, left jack, right jack, vertical receptacle, horizontal wire one end
It is connected with left jack, the other end is connected with right jack, and vertical wires one end is connected with horizontal wire, and the other end connects with vertical receptacle
Connect, described insulation crust end is provided with screw thread.
A kind of 2. lithium battery group network temperature measuring system according to claim 1, it is characterised in that described three-wire connection device
It is made up of insulation shell, wire, contact pin, insulating nut, the wire of three groups of mutually insulateds is encapsulated in insulation shell, and wire both ends connect
Contact pin is connected to, insulation shell both ends are connected with insulating nut, the insulation that three-wire connection device passes through insulating nut and three line threeway sockets
Cage connection.
A kind of 3. lithium battery group network temperature measuring system according to claim 1, it is characterised in that described temperature transmitter
Component includes temperature transmitter, insulation fixing nut, heat conduction ring, and temperature transmitter one end is fixedly connected with heat conduction ring, and temperature becomes
Send power end Vd ends, data terminal Cd ends and earth terminal and the three line threeway socket grafting of the device other end；Heat conduction ring is consolidated by nut
It is scheduled on binding post, temperature transmitter and insulation fixing nut rotation connection, insulation fixing nut are exhausted with three line threeway sockets
Edge outer casing screw connects.
A kind of 4. lithium battery group network temperature measuring system according to claim 3, it is characterised in that described temperature transmitter
For DS18B20 temperature transmitters.
A kind of 5. lithium battery group network temperature measuring system according to claim 1, it is characterised in that described lithium battery management
System need to manage some groups of lithium battery groups, and every group of lithium battery group is made up of 8 single lithium batteries, with monomer lithium electricity in lithium battery group
Pond is powered as power supply for temperature transmitter, and the single lithium battery is connected by power switch with direct current transducer；Lithium battery
Temperature transmitter in group in each single lithium battery is connected with each other, wherein each data terminal Cd is connected, each power end Vd phases
Connection, each earth terminal are connected；Temperature transmitter between lithium battery group is connected with each other.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720607677.0U CN206992261U (en) | 2017-05-27 | 2017-05-27 | A kind of lithium battery group network temperature measuring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720607677.0U CN206992261U (en) | 2017-05-27 | 2017-05-27 | A kind of lithium battery group network temperature measuring system |
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| CN206992261U true CN206992261U (en) | 2018-02-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107230806A (en) * | 2017-05-27 | 2017-10-03 | 辽宁凯信新能源技术有限公司 | A kind of lithium battery group network temperature measuring system |
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- 2017-05-27 CN CN201720607677.0U patent/CN206992261U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107230806A (en) * | 2017-05-27 | 2017-10-03 | 辽宁凯信新能源技术有限公司 | A kind of lithium battery group network temperature measuring system |
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