CN204526864U - A kind of lithium cell residual capacity and fault display system and Electrical Bicycle - Google Patents

A kind of lithium cell residual capacity and fault display system and Electrical Bicycle Download PDF

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Publication number
CN204526864U
CN204526864U CN201520184564.5U CN201520184564U CN204526864U CN 204526864 U CN204526864 U CN 204526864U CN 201520184564 U CN201520184564 U CN 201520184564U CN 204526864 U CN204526864 U CN 204526864U
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China
Prior art keywords
lithium cell
fault
residual capacity
chip
display
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Expired - Fee Related
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CN201520184564.5U
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Chinese (zh)
Inventor
姜亚军
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Yadea Technology Group Co Ltd
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Yadea Technology Group Co Ltd
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Priority to CN201520184564.5U priority Critical patent/CN204526864U/en
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    • 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
    • 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
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles

Abstract

The utility model discloses a kind of lithium cell residual capacity and fault display system and Electrical Bicycle, relates to technical field of lithium batteries, solves the problems such as lithium cell residual capacity display in prior art is inaccurate and designs.The utility model lithium cell residual capacity comprises with fault display system: power management chip, the control chip be connected with power management chip communication, the display instrument be connected with control chip; Power management chip is connected to each lithium cell to be detected respectively, for receiving temperature and the voltage signal of described lithium cell; Judged result for judging whether the temperature that power management chip transmits and voltage signal are normal value, and is passed to described display instrument by control chip; Display instrument is for showing battery remaining power and battery failures.Lithium cell residual capacity or fault are shown with percents or LED bright light number by display instrument by the utility model, enable user obtain the information of lithium cell residual capacity or lithium cell fault more intuitively.

Description

A kind of lithium cell residual capacity and fault display system and Electrical Bicycle
Technical field
The utility model relates to technical field of lithium batteries, particularly relates to the display system for lithium cell residual capacity and fault and Electrical Bicycle.
Background technology
Energy shortage and environmental pollution have become the major obstacles of restriction China's economy and social sustainable development.After entering 21st century, the mankind have more and more profoundly experienced the problems such as the environmental pollution that the strong and high energy consumption of in short supply, the sustainable power of conventional power resources brings, and these have all govern the development of human economic society to a great extent.Under this overall background, lithium cell is progressively tending towards ripe technically, and enters the high speed stage of popularization.There has been obvious progress the aspects such as the intellectualized technology of the service life of lithium cell, the lightweight of lithium electricity bicycle, lithium electricity bicycle and sensing technology.Existing market lithium cell is all adopt voltage-type display, there is virtual height when cell pressure does not have a load, just finds electricity deficiency, and do not show battery condition after causing user to ride, or lithium cell break down after can not show and inform user.
Utility model content
The purpose of this utility model is to propose a kind of lithium cell residual capacity and fault display system, and user can be made to obtain the information of lithium cell residual capacity and/or lithium cell fault intuitively.
The utility model also proposed a kind of Electrical Bicycle, makes user can obtain the residual capacity of lithium cell and/or the information of lithium cell fault accurately.
For reaching this object, the utility model by the following technical solutions:
A kind of lithium cell residual capacity and fault display system, this system comprises: power management chip, the control chip be connected with described power management chip communication and the display instrument be connected with described control chip; Wherein,
Described power management chip is connected to each lithium cell to be detected respectively, for receiving temperature and the voltage signal of described lithium cell;
Judged result for judging whether the temperature that power management chip transmits and voltage signal are normal value, and is passed to described display instrument by described control chip;
Described display instrument is for showing battery remaining power and/or battery failures.
Preferably, described display instrument comprises signal processing chip and LED, shows electricity after the communication signal process of the battery remaining power that control chip transmits by described signal processing chip and fault by LED.
Preferably, described LED comprises the LED display lamp and four LED not under command lights that are no less than two.
Preferably, described display instrument comprises signal processing chip, lcd drive chip and display module, and the display module controlled by lcd drive chip after the communication signal process of the battery remaining power that control chip transmits by described signal processing chip and fault is shown.
Preferably, also comprise the relay for controlling this system switching electricity, described relay one end connects anode, and the other end connects display instrument, the circuit of connection display instrument is also connected with the fuse for the protection of circuit.
A kind of Electrical Bicycle, possesses above-mentioned lithium cell residual capacity and fault display system.
The beneficial effects of the utility model:
Lithium cell residual capacity is shown with percents by display instrument by the utility model, fault is shown with LED bright light number, enables user obtain the information of lithium cell residual capacity or lithium cell fault more intuitively.
The utility model, by power management chip and control chip process voltage signal, makes system can judge lithium cell residual capacity or lithium cell fault accurately.
Electrical Bicycle in the utility model comprises lithium cell residual capacity and fault display system, makes user can obtain power information accurately, can charge to lithium cell timely.
Accompanying drawing explanation
Fig. 1 is the structural representation of the lithium cell residual capacity that provides of the utility model embodiment one and fault display system;
Fig. 2 is the structural representation of the lithium cell residual capacity that provides of the utility model embodiment two and fault display system;
The display instrument not under command light pattern identification that Fig. 3 provides for the utility model embodiment one.
In figure:
1, power management chip; 2, control chip; 3, relay; 4, signal processing chip; 5, LED; 6, lcd drive chip; 7, display module; 8, fuse; 51, first lamp; 52, second lamp; 53, the third lamp; 54, fourth lamp.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model specific embodiment is described in further detail.Be understandable that, specific embodiment described herein only for explaining the utility model, but not to restriction of the present utility model.It also should be noted that, for convenience of description, illustrate only the part relevant to the utility model in accompanying drawing but not full content.
Embodiment one
Present embodiments provide a kind of lithium cell residual capacity and fault display system, this system comprises: power management chip 1, the control chip 2 be connected with the communication of described power management chip 1 and the display instrument be connected with described control chip 2.
Described power management chip 1 is connected to each lithium cell to be detected respectively, for receiving temperature and the voltage signal of described lithium cell; Sensor is adopted to detect temperature and the voltage signal of lithium cell in the present embodiment, certainly, the temperature and the voltage signal that detect lithium cell are not only confined to sensor, and other can detect that the temperature of lithium cell and the equipment of voltage signal or device also can be applicable in the utility model.
Judged result for judging whether the temperature that power management chip 1 transmits and voltage signal are normal value, and is passed to described display instrument by described control chip 2; Control chip 2 is for judging in the temperature whether temperature that power management chip 1 transmits and voltage signal are remembered at control chip 2 and voltage range, if in scope, control chip 2 output pwm signal is to signal processing chip 4, signal processing chip 4 shows dump energy by after result treatment on display instrument, if do not exist, control chip 2 output pwm signal is to signal processing chip 4, signal processing chip 4 carries out fault cues by after result treatment by display instrument, and described control chip 2 can be micro controller system or micro-letter treater.Described display instrument is for showing battery remaining power and/or battery failures.
As shown in Figure 1, in the present embodiment, as preferably, described display instrument comprises signal processing chip 4 and LED 5, shows electricity after the communication signal process of the battery remaining power that control chip 2 transmits by described signal processing chip 4 and fault by LED 5.Wherein said LED 5 comprises the LED display lamp and four LED not under command lights that are no less than two.
Be illustrated in figure 3 the pattern identification that display system shows on display instrument, not under command light comprises first lamp 51, second lamp 52, third lamp 53, fourth lamp 54, be electrically connected with signal processing chip 4 respectively, and be distributed on pattern identification, when battery failure, need shown in red for the frame of pattern identification, and making corresponding lamp light, following table is the different light on and off state description of not under command light: (note: BMS is battery management system)
Situation sequence number Bright light mode Defect content Fault cause
A All do not work System works is normal Battery is without any fault
B First lamp is bright, and second lamp goes out, and the third lamp goes out, and fourth lamp goes out The failure of charger current limliting Charging current, exceedes limit value
C First lamp goes out, and second lamp is bright, and the third lamp goes out, and fourth lamp goes out Battery charger failure There is charger signal but without charging current, battery charger failure
D First lamp is bright, and second lamp is bright, and the third lamp goes out, and fourth lamp goes out Reserved /
E First lamp goes out, and second lamp goes out, and the third lamp is bright, and fourth lamp goes out Reserved /
F First lamp goes out, and second lamp is bright, and the third lamp is bright, and fourth lamp goes out Reserved /
G First lamp goes out, and second lamp is bright, and the third lamp is bright, and fourth lamp goes out BMS discharge low-temperature is protected Battery temperature is too low, does not allow electric discharge
H First lamp is bright, and second lamp is bright, and the third lamp is bright, and fourth lamp goes out BMS charges low-temperature protection Battery temperature is too low, does not allow charging
I First lamp goes out, and second lamp goes out, and the third lamp goes out, Ding Dengliang BMS under-voltage protection Cell pressure too low (electricity is not enough)
J First lamp is bright, and second lamp goes out, and the third lamp goes out, Ding Dengliang BMS discharges overcurrent protection The discharge current of battery is excessive (load is excessive)
K First lamp goes out, and second lamp is bright, and the third lamp goes out, Ding Dengliang BMS discharges high temperature protection Battery temperature is too high, does not allow electric discharge
L First lamp is bright, and second lamp is bright, and the third lamp goes out, Ding Dengliang BMS charges high temperature protection Battery temperature is too high, does not allow charging
M First lamp goes out, and second lamp goes out, and the third lamp is bright, Ding Dengliang BMS preliminary filling fault Battery charge is excessive, must reduce charging current
N First lamp is bright, and second lamp goes out, and the third lamp is bright, Ding Dengliang BMS preliminary filling fault BMS cannot by the success of the capacitor charging of electric machine controller inside
O First lamp goes out, and second lamp is bright, and the third lamp is bright, Ding Dengliang BMS is from controlling fault Communication failure between the master and slave control of BMS, power brick fault
P First lamp is bright, and second lamp is bright, and the third lamp is bright, Ding Dengliang BMS master control communication failure BMS master control PCB internal fault is power brick fault
Situation D wherein in form, situation E, situation F are reserved item, facilitate research staff to add new defect content and fault cause.
From situation A to situation P, from low to high, namely situation A priority is minimum, and situation P priority is the highest for priority, and when there is multiple situation, showing by limit priority, can tentatively find out, bright light number is more, and battery condition is more bad.
Following table is that the bright light of battery remaining power illustrates, the display lamp quantity in the present embodiment is 10, represents the capacity of ten grades respectively, and certainly, actual displayed lamp is not only limited as 10, and display lamp quantity can be determined according to the display panel size of display instrument.
Sequence number Battery remaining power (SOC) The number of bright light Capacity of cell height situation
1 SOC<10% First Low
2 10%≤SOC<20% 2
3 20%≤SOC<30% 3
4 30%≤SOC<40% 4
5 40%≤SOC<50% 5
6 50%≤SOC<60% 6
7 60%≤SOC<70% 7
8 70%≤SOC<80% 8
9 80%≤SOC<90% 9
10 SOC≥90% 10 High
In the present embodiment, this system also comprises the relay 3 for controlling this system switching electricity, and described relay 3 one end connects anode, and the other end connects display instrument, the circuit of connection display instrument is also connected with the fuse 8 for the protection of circuit; When user opens key K, the adhesive of control chip 2 control relay 3, makes car load obtain electric, battery remaining power and breakdown signal is transferred to display instrument simultaneously, and the laggard row relax of signal processing chip 4 Received signal strength also shows
A kind of Electrical Bicycle, possesses lithium cell residual capacity described above and fault display system.
Embodiment two
Be that the display instrument in the present embodiment is shown as liquid crystal display with embodiment one difference, the percentages that liquid crystal display can show battery meter more accurately.
In the present embodiment, preferably, described display instrument comprises signal processing chip 4, lcd drive chip 6 and display module 7, and the display module 7 controlled by lcd drive chip 6 after the PMW signal transacting of the battery remaining power that control chip 2 transmits by described signal processing chip 4 and fault is shown.
More than show and describe groundwork of the present utility model and principal character and advantage of the present utility model.The technical personnel of the industry should be understood; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall within the scope of claimed the utility model, and claimed scope of the present utility model is defined by appending claims and equivalent thereof.

Claims (6)

1. lithium cell residual capacity and a fault display system, is characterized in that: this system comprises: power management chip (1), the control chip (2) be connected with described power management chip (1) communication and the display instrument be connected with described control chip (2); Wherein,
Described power management chip (1) is connected to each lithium cell to be detected respectively, for receiving temperature and the voltage signal of described lithium cell;
Judged result for judging whether the temperature that power management chip (1) transmits and voltage signal are normal value, and is passed to described display instrument by described control chip (2);
Described display instrument is for showing battery remaining power and/or battery failures.
2. lithium cell residual capacity according to claim 1 and fault display system, it is characterized in that: described display instrument comprises signal processing chip (4) and LED (5), by LED (5) display dump energy and failure message after the communication signal process of the battery remaining power that control chip (2) transmits by described signal processing chip (4) and fault.
3. lithium cell residual capacity according to claim 2 and fault display system, is characterized in that: described LED (5) comprises the LED display lamp and four LED not under command lights that are no less than two.
4. lithium cell residual capacity according to claim 1 and fault display system, it is characterized in that: described display instrument comprises signal processing chip (4), lcd drive chip (6) and display module (7), the display module (7) controlled by lcd drive chip (6) after the communication signal process of the battery remaining power that control chip (2) transmits by described signal processing chip (4) and fault is shown.
5. lithium cell residual capacity according to claim 1 and fault display system; it is characterized in that: also comprise the relay (3) for controlling this system switching electricity; described relay (3) one end connects anode; the other end connects display instrument, the circuit of connection display instrument is also connected with the fuse (8) for the protection of circuit.
6. an Electrical Bicycle, is characterized in that, possesses the lithium cell residual capacity according to any one of claim 1-5 and fault display system.
CN201520184564.5U 2015-03-30 2015-03-30 A kind of lithium cell residual capacity and fault display system and Electrical Bicycle Expired - Fee Related CN204526864U (en)

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CN201520184564.5U CN204526864U (en) 2015-03-30 2015-03-30 A kind of lithium cell residual capacity and fault display system and Electrical Bicycle

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Application Number Priority Date Filing Date Title
CN201520184564.5U CN204526864U (en) 2015-03-30 2015-03-30 A kind of lithium cell residual capacity and fault display system and Electrical Bicycle

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104760511A (en) * 2015-03-30 2015-07-08 雅迪科技集团有限公司 Lithium battery residual capacity and fault display system and method and electric bicycle
CN106501734A (en) * 2016-12-29 2017-03-15 东莞钜威动力技术有限公司 The voltage acquisition fault handling method of battery management system and device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104760511A (en) * 2015-03-30 2015-07-08 雅迪科技集团有限公司 Lithium battery residual capacity and fault display system and method and electric bicycle
CN104760511B (en) * 2015-03-30 2017-01-18 雅迪科技集团有限公司 Lithium battery residual capacity and fault display system and electric bicycle
CN106501734A (en) * 2016-12-29 2017-03-15 东莞钜威动力技术有限公司 The voltage acquisition fault handling method of battery management system and device

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150805

CF01 Termination of patent right due to non-payment of annual fee