CN201112532Y - Battery electric quantity remote prompting apparatus - Google Patents
Battery electric quantity remote prompting apparatus Download PDFInfo
- Publication number
- CN201112532Y CN201112532Y CNU2007201274292U CN200720127429U CN201112532Y CN 201112532 Y CN201112532 Y CN 201112532Y CN U2007201274292 U CNU2007201274292 U CN U2007201274292U CN 200720127429 U CN200720127429 U CN 200720127429U CN 201112532 Y CN201112532 Y CN 201112532Y
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- electric quantity
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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
A battery capacity remote prompt device comprises a main controller (25) and a signal emitter (28) which are electronically connected with each, and a battery capacity sampling device (30) that is electronically connected with the main controller (25). When the main controller (25) detects that the battery capacity is too low, the battery capacity remote prompt device can give a short message prompt to a battery user via the signal emitter (28), so that the user can take necessary actions in time to prevent the damage to the battery arising from the low battery capacity.
Description
Technical field
The utility model relates to long-range suggestion device, more particularly, relates to the long-range suggestion device of a kind of battery electric quantity.
Background technology
When automobile is in dead ship condition,, and continue to cause the electrokinetic cell overdischarge to connected parts power supply because driver's carelessness makes electrokinetic cell not be cut off usually.When the car owner goes out for a long time, electrokinetic cell and start battery and continue for a long time power supervisor, burglar alarm, instrument etc. with the electric parts power supply, battery can the nature discharge in addition, is easy to cause electric weight low excessively.The electrokinetic cell electric weight is crossed low very harmful, and for example, it's the low battery useful life of can reducing is past long-time electric weight, and can make the battery performance variation, even battery is produced expendable infringement such as can not normally charge again.Therefore,, in time notify the car owner, can reduce loss to greatest extent by mobile communication if can cross when low at battery electric quantity.
CN2898851Y discloses a kind of used for electric vehicle mobile communication warning device, this device comprises master controller and vehicle-mounted DC power supply power brick, be provided with mobile communication module (sender unit just) and SIM card matching used with it, mobile communication antenna, mobile communication module links to each other with master controller.The master controller peripheral components comprises the transducer that corresponding failure information is provided respectively, and transducer links to each other with master controller by the input circuit of master controller respectively.Master controller comprises single-chip microcomputer, and the input circuit that links to each other with single-chip microcomputer respectively, output circuit, flash memory circuit, power supply chip and figure keyboard etc.; Can in time send the vehicle failure alarm by mobile communication to the car owner.
CN1514637A discloses a kind of GSM guard against theft and alarm system, and this system comprises amplification detection circuit, central control circuit, number and password storage element, based on alarm unit and the power circuit of GSM MODEM.System send central control circuit to handle after by amplification detection circuit detected signal being done processing and amplifying, central control circuit has judged whether illegal invasion according to this signal, if have, then read default phone number, and send alarming short message to this mobile phone by the GSM MODEM of alarm unit from number and encryption memory.
CN2624419Y discloses a kind of electric weight Alarm accumulator of owing, be made up of accumulator body and the electric weight alarm of owing that is loaded on accumulator body shell face, the wherein said circuit devcie unit of owing the electric weight alarm is made up of bleeder circuit, voltage contrasting amplified circuit, driving and load circuit.This owes the electric weight that the electric weight Alarm accumulator can detect storage battery itself in real time, and when the electric weight of storage battery reduce to setting owe charge value the time the give the alarm light and the sound.
This shows, the emergency that takes place is carried out long-range prompting, can greatly reduce loss, but the precedent that this technology is applied to battery electric quantity is carried out long-range prompting is not arranged at present as yet by this suitable mature technique of mobile communication.
The utility model content
The purpose of this utility model is for avoiding because electric weight is crossed the low infringement that causes to battery, and a kind of long-range suggestion device of battery electric quantity that battery electric quantity information in time can be fed back to the battery user is provided.
The long-range suggestion device of a kind of battery electric quantity, this device comprises master controller and sender unit, and master controller is electrically connected with sender unit, and wherein, this device also comprises the battery electric quantity sampling apparatus, and this battery electric quantity sampling apparatus is electrically connected with master controller.
The battery voltage sampling value that meets master controller change in voltage scope that the battery electric quantity sampling unit will sample sends to master controller, when the battery voltage value that detects input when master controller is lower than the battery low-voltage value that presets, be sent to the information that stores in advance on battery user's the mobile phone by sender unit, like this, even vehicle is idle for a long time or the car owner goes out for a long time, the car owner also can in time obtain the low excessively information of automobile batteries electric weight, so that take the necessary measures, avoided to greatest extent because electric weight is crossed the low infringement that battery is caused.
Description of drawings
The circuit connection diagram of the long-range suggestion device of battery electric quantity that Fig. 1 provides for the utility model;
The circuit connection diagram of a kind of execution mode of sender unit of the long-range suggestion device of battery electric quantity that Fig. 2 provides for the utility model;
The structure chart of a kind of execution mode of sender unit of the long-range suggestion device of battery electric quantity that Fig. 3 provides for the utility model;
The structure chart of the another kind of execution mode of the sender unit of the long-range suggestion device of battery electric quantity that Fig. 4 provides for the utility model;
The circuit connection diagram of a kind of execution mode of battery electric quantity sampling unit of the long-range suggestion device of battery electric quantity that Fig. 5 provides for the utility model;
The circuit theory diagrams of a kind of execution mode of battery electric quantity sampling unit of the long-range suggestion device of battery electric quantity that Fig. 6 provides for the utility model;
The circuit connection diagram of the another kind of execution mode of the battery electric quantity sampling unit of the long-range suggestion device of battery electric quantity that Fig. 7 provides for the utility model;
The circuit theory diagrams of the another kind of execution mode of the battery electric quantity sampling unit of the long-range suggestion device of battery electric quantity that Fig. 8 provides for the utility model;
The circuit connection diagram of a kind of execution mode of master controller of the long-range suggestion device of battery electric quantity that Fig. 9 provides for the utility model;
The flow chart of a kind of execution mode of master controller of the long-range suggestion device of battery electric quantity that Figure 10 provides for the utility model;
The circuit connection diagram of a kind of execution mode of the long-range suggestion device of battery electric quantity that Figure 11 provides for the utility model.
Embodiment
As shown in Figure 1, the long-range suggestion device of a kind of battery electric quantity that the utility model provides, the long-range suggestion device of a kind of battery electric quantity, this device comprises master controller 25 and sender unit 28, master controller 25 is electrically connected with sender unit 28, wherein, this device also comprises battery electric quantity sampling apparatus 30, and this battery electric quantity sampling apparatus 30 is electrically connected with master controller 25.
Described sender unit 28 can be any device with note processing and emission function, under the preferable case, as shown in Figure 2, described sender unit 28 comprises transmitter 22, SIM card operating circuit 36 and matching used SIM card, antenna 23 and transmitter supply 21, and transmitter 22 is electrically connected with described transmitter supply 21, SIM card operating circuit 36, antenna 23 and master controller 25 respectively.
Described transmitter 22 can be any device with signal emission function, can adopt multiple modes such as single-chip microcomputer, integrated circuit to realize, under the preferable case, described transmitter 22 comprises core control section 42 and port, and described core control section 42 is electrically connected with described transmitter supply 21, SIM card operating circuit 36, antenna 23 and master controller 25 respectively by described port.Described port comprises master controller port, antenna port 31, power port 35 and SIM card port 32, at least one port in the wherein said port and described core control section 42 integrated structures.Described master controller port is a digital signal port, is used to connect master controller 25, for reducing cost and simplifying connection, is preferably the UART port.Described SIM card port 32 is used to connect SIM card operating circuit 36.According to a kind of execution mode of the present utility model, structure can become one the core control section 42 of described transmitter 22 and each sets of ports, as shown in Figure 3, be preferably and adopt the GTM-900B integration module of Huawei Company's exploitation to realize, this integration module inside carries antenna, certainly also can add external antenna at port 31 places in addition and use, in addition, port 34 is for having a series of pins of Data Receiving and sending function.According to another kind of execution mode of the present utility model, in order to save cost, transmitter 22 also can adopt discrete component to realize that in this case, as shown in Figure 4, the core control section 42 of transmitter 22, antenna port 31 and pin 43 are configured on the same bottom.Described core control section 42 is preferably the GTM-900 that Huawei Company produces, and comprises a series of pins that are used to connect power supply, master controller and SIM card operating circuit in the described pin 43.
Described SIM card operating circuit 36 is any circuit structure that has the draw-in groove that can embed SIM card and can discern information in the SIM card, can realize by multiple modes such as the single-chip microcomputer that is purchased or integrated circuits.Described SIM card is the common SIM card that is available commercially.
Described antenna 23 can be any antenna that has the same transmit frequency with transmitter 22, when being used for electric automobile, can being placed on car body surface or being built in the compartment, for obtaining sufficient signal, be preferably and use the whip antenna that has magnetic chuck, utilize sucker to be adsorbed in car body surface.
Described transmitter supply 21 can be any power supply that direct voltage can be provided, and for example, can provide the power supply of 12 volts of direct voltages.When the device that provides when the utility model is used for electric automobile; the normalizing line of the input termination automobile of described transmitter supply 21; and to the operating voltage of 12 volts of transmitter 22 outputs; supply with for obtaining stable voltage; as an embodiment; transmitter supply 21 comprises voltage stabilizing circuit, filter circuit, anti-jamming circuit and reverse-connection preventing circuit.
Described battery electric quantity sampling unit 30 can be anyly to have the sample device of function of battery electric quantity, when needs are sampled to the A-battery electric weight, described battery electric quantity sampling unit 30 is DC low-voltage sampling units, its effect is that the voltage with battery offers master controller 25 behind electric resistance partial pressure, guarantees that simultaneously the partial pressure value that provides meets the range of voltage values that master controller 25 requires.Under the preferable case, as shown in Figure 7, described battery electric quantity sampling unit 30 comprises bleeder circuit 18 and output circuit 21, wherein, the output of bleeder circuit 18 links to each other with the input of output circuit 21, and bleeder circuit 18 links to each other with the battery that is sampled, and output circuit 21 links to each other with master controller 25.
Described bleeder circuit 18 is used for cell voltage is carried out dividing potential drop, can adopt the fixed resistance dividing potential drop, also can adopt swept resistance dividing potential drop or the swept resistance various dividing potential drop modes such as dividing potential drop of connecting with fixed resistance, when with described device fixation application during in certain battery, for saving manufacturing cost, preferably adopt the fixed resistance dividing potential drop.The effect of described output circuit 21 is that the voltage after partial signal is exported to master controller 25.
According to a kind of preferred implementation of the present utility model, when to the startup battery (low-voltage battery) of electric automobile when sampling, as shown in Figure 8, the bleeder circuit 18 of described battery electric quantity sampling unit 30 comprises resistance R 71, R72 and voltage stabilizing didoe D71.Connect with starting battery after resistance R 71, R72 are one another in series again, carry out dividing potential drop to starting battery, the partial pressure value that provides with toilet meets the change in voltage scope that master controller 25 requires.Voltage stabilizing didoe D71 is in parallel with resistance R 72, and its positive pole connects the negative pole of battery.Described output circuit 21 is connected in the two ends of resistance R 72, and exports signal to master controller 25.
When needs are sampled to the high-tension battery electric weight, described battery electric quantity sampling unit 30 is dc high voltage sampling units, its effect is that the high-voltage signal of battery that sampling is obtained changes the low-voltage signal that is input to master controller 25 into, guarantee the direct ratio that is varied to of the variation of described low-voltage signal value and described high-voltage signal value simultaneously, and the low-voltage signal value that offers master controller 25 meets the voltage signal excursion that master controller 25 requires.Under the preferable case, as shown in Figure 5, battery electric quantity sampling unit 30 also comprises voltage amplifier circuit 19 and transmission circuit 20, and described bleeder circuit 18 is electrically connected with output circuit 21 by voltage amplifier circuit 19 and transmission circuit 20.Wherein, bleeder circuit 18 is electrically connected with voltage amplifier circuit 19, and voltage amplifier circuit 19 is electrically connected with transmission circuit 20, and transmission circuit 20 is electrically connected with output circuit 21.Bleeder circuit 18 is connected in series with battery, and output circuit 21 is electrically connected with master controller 25.
According to a kind of preferred implementation of the present utility model, when to the electrokinetic cell (high-voltage battery) of electric automobile when sampling, as shown in Figure 6, the bleeder circuit 18 of described battery electric quantity sampling unit 30 comprises resistance R 61, R62, wherein, resistance R 61 and R62 connect mutually.Voltage amplifier circuit 19 comprises operational amplifier U61A, insulating power supply chip U64, resistance R 63 and capacitor C 61, wherein, resistance R 63 1 terminating resistor R62, two inputs of operational amplifier U61A are connected to resistance R 62 and resistance R 63 two ends respectively, the in-phase input end connecting resistance R62 of operational amplifier U61A connects an end of resistance R 61, the inverting input connecting resistance R63 of operational amplifier U61A is away from an end of resistance R 62, and capacitor C 61 cross-over connections are between the output and inverting input of operational amplifier U61A.Described transmission circuit 20 comprises linear optical coupling U62 and resistance R 64, R65, wherein, the pin 4 of resistance R 63 other end wiring optocoupler U62, the end of the output connecting resistance R64 of operational amplifier U61A, the other end of resistance R 64 is connected in the pin 2 of linear optical coupling U62, the pin 1 connecting resistance R62 of linear optical coupling U62 connects an end of resistance R 63, an end ground connection of resistance R 65.Described output circuit 21 comprises operational amplifier U63A, wherein, the in-phase input end of another termination operational amplifier U63A of the pin 5 of linear optical coupling U62 and resistance R 65, the inverting input of operational amplifier U63A and its output join.
Described battery electric quantity sampling unit power supply 17 can be any power supply that direct voltage can be provided, and for example, is output as the circuit of 5 volts of direct voltages.As an embodiment, battery electric quantity sampling unit power supply 17 comprises voltage stabilizing circuit, filter circuit, anti-jamming circuit and reverse-connection preventing circuit, and the normalizing line of its input termination automobile.
Described master controller 25 can be the device that any A/D of having conversion, voltage ratio reach information storage function, can realize by multiple modes such as single-chip microcomputer, integrated circuits.Under the preferable case, as shown in Figure 9, described master controller 25 comprises central controller 50, memory 51 and power supply 52, and memory 51 and power supply 52 are electrically connected with central controller 50 respectively, and central controller 50 is electrically connected with battery electric quantity sampling unit 30 and sender unit 28 respectively.
Described central controller 50 can have the element of A/D conversion and voltage comparing function for central processing unit is any, can be commercially available, the realization of also single-chip microcomputer, computer, vehicle electronic control unit simply can being programmed is preferably the LPC2119 chip that uses Philips company to produce.For example, as shown in Figure 9, described central controller 50 comprises A/D modular converter 53 and voltage comparison module 54, and A/D modular converter 53 is electrically connected with voltage comparison module 54, and A/D modular converter 53 also is electrically connected with battery electric quantity sampling unit 30.Wherein, described A/D modular converter 53 has analog input port and digital output port, described analog input port is electrically connected with battery electric quantity sampling unit 30, described digital output port is electrically connected with voltage comparison module 54, for reducing cost and reducing the complexity of connection, described voltage comparison module 54 is preferably has UART input port and output port, described UART input port is used for receiving data from A/D modular converter 53, described UART output port is used for sending data to transmitter 22, in addition, preset cell voltage and cross magnitude of voltage when low in voltage comparison module 53, the method that presets this magnitude of voltage is known in those skilled in the art.
Below in conjunction with Figure 10 the workflow of central controller 50 is illustrated.At first, A/D modular converter 53 will change digital voltage signal into from the analog voltage signal of battery electric quantity sampling unit 30 outputs, afterwards, the magnitude of voltage that presets in this digital voltage signal value and the voltage comparison module 54 is compared, when the voltage signal values of input during greater than the magnitude of voltage that presets, voltage comparison module 54 will compare next voltage input value constantly and the magnitude of voltage that presets, otherwise central controller 50 will be stored in corresponding short message in the memory 51 and car owner's information such as phone number send to transmitter 22.
The memory of any kind that described memory 51 can be commercially available for example, can be an internal memory, also can be external memory, can be read-write memory, also can be read-only memory, be preferably external electricallyerasable ROM (EEROM) EEPROM, for example AT93C46.
Described power supply 52 can be any power supply that direct voltage can be provided; for example; the power supply of 5 volts of direct voltages can be provided; as an embodiment; power supply 52 comprises voltage stabilizing circuit, filter circuit, anti-jamming circuit and reverse-connection preventing circuit; when the device that the utility model is provided is applied to automobile, the normalizing line of the input termination automobile of described power supply 52.
Below in conjunction with accompanying drawing 11, the operating process when the long-range suggestion device of described battery electric quantity is applied to electric automobile is illustrated.
At first, the voltage signal of electrokinetic cell is by bleeder circuit 18 dividing potential drops in the battery electric quantity sampling unit 30, again by after 19 pairs of these voltage amplifications of voltage amplifier circuit, change high-voltage signal into low-voltage signal by transmission circuit 20, and be transferred to output circuit 21, after 21 pairs of described low-voltage signals of output circuit suitably amplify, give the central controller 50 of master controller 25 with it, the A/D modular converter 53 of central controller 50 is a digital signal with the analog-signal transitions of input, the magnitude of voltage that voltage comparison module 54 is crossed this digital signal and the cell voltage in being preset in voltage comparison module 54 when low is compared, when the magnitude of voltage of input is lower than the magnitude of voltage that presets, the information such as phone number that central controller 50 will be stored in corresponding short message in the memory 51 and car owner send to the transmitter 22 in the sender unit 28, by transmitter 22 information are sent by antenna 23.
Claims (10)
1. long-range suggestion device of battery electric quantity, this device comprises master controller (25) and sender unit (28), master controller (25) is electrically connected with sender unit (28), it is characterized in that, this device also comprises battery electric quantity sampling apparatus (30), and this battery electric quantity sampling apparatus (30) is electrically connected with master controller (25).
2. device according to claim 1, it is characterized in that, described sender unit (28) comprises transmitter (22), SIM card operating circuit (36), antenna (23) and transmitter supply (21), and transmitter (22) is electrically connected with described transmitter supply (21), SIM card operating circuit (36), antenna (23) and master controller (25) respectively.
3. device according to claim 2, it is characterized in that, described transmitter (22) comprises core control section (42) and port, and described core control section (42) is electrically connected with described transmitter supply (21), SIM card operating circuit (36), antenna (23) and master controller (25) respectively by described port.
4. device according to claim 3 is characterized in that, at least one port in the described port and the integrated structure of described core control section (42).
5. device according to claim 1, it is characterized in that, described battery electric quantity sampling unit (30) comprises bleeder circuit (18) and output circuit (21), and the output of bleeder circuit (18) links to each other with the input of output circuit (21), and output circuit (21) links to each other with master controller (25).
6. device according to claim 5, it is characterized in that described bleeder circuit (18) comprises resistance R 71, R72 and voltage stabilizing didoe D71, resistance R 71, R72 are one another in series, voltage stabilizing didoe D71 is in parallel with resistance R 72, and described output circuit (21) is connected in the two ends of resistance R 72.
7. device according to claim 6, it is characterized in that, described battery electric quantity sampling unit (30) also comprises voltage amplifier circuit (19) and transmission circuit (20), and described bleeder circuit (18) is electrically connected with output circuit (21) by voltage amplifier circuit (19) and transmission circuit (20).
8. device according to claim 7 is characterized in that, the bleeder circuit (18) of described battery electric quantity sampling unit (30) comprises resistance R 61, R62, and wherein, resistance R 61 and R62 connect mutually;
Voltage amplifier circuit (19) comprises operational amplifier U61A, insulating power supply chip U64, resistance R 63 and capacitor C 61, wherein, resistance R 63 1 terminating resistor R62, two inputs of operational amplifier U61A are connected to resistance R 62 and resistance R 63 two ends respectively, the in-phase input end connecting resistance R62 of operational amplifier U61A connects an end of resistance R 61, the inverting input connecting resistance R63 of operational amplifier U61A is away from an end of resistance R 62, and capacitor C 61 cross-over connections are between the output and inverting input of operational amplifier U61A;
Described transmission circuit (20) comprises linear optical coupling U62 and resistance R 64, R65, wherein, the pin (4) of resistance R 63 other end wiring optocoupler U62, the end of the output connecting resistance R64 of operational amplifier U61A, the other end of resistance R 64 is connected in the pin (2) of linear optical coupling U62, the pin of linear optical coupling U62 (1) connecting resistance R62 connects an end of resistance R 63, an end ground connection of resistance R 65;
Described output circuit (21) comprises operational amplifier U63A, wherein, the in-phase input end of another termination operational amplifier U63A of the pin of linear optical coupling U62 (5) and resistance R 65, the inverting input of operational amplifier U63A and its output join.
9. device according to claim 1, it is characterized in that, described master controller (25) comprises central controller (50), memory (51) and power supply (52), memory (51) and power supply (52) are electrically connected with central controller (50) respectively, and central controller (50) is electrically connected with battery electric quantity sampling unit (30) and sender unit (28) respectively.
10. device according to claim 9, it is characterized in that, described central controller (50) comprises A/D modular converter (53) and voltage comparison module (54), A/D modular converter (53) is electrically connected with voltage comparison module (54), and A/D modular converter (53) is electrically connected with battery electric quantity sampling unit (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201274292U CN201112532Y (en) | 2007-08-14 | 2007-08-14 | Battery electric quantity remote prompting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201274292U CN201112532Y (en) | 2007-08-14 | 2007-08-14 | Battery electric quantity remote prompting apparatus |
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| CN201112532Y true CN201112532Y (en) | 2008-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007201274292U Expired - Lifetime CN201112532Y (en) | 2007-08-14 | 2007-08-14 | Battery electric quantity remote prompting apparatus |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010131262A2 (en) * | 2009-05-11 | 2010-11-18 | Reva Electric Car Company (Pvt) Limited | System and method for monitoring and controlling energy system |
| CN102307296A (en) * | 2011-09-06 | 2012-01-04 | 天津汇讯视通科技有限公司 | Dome camera power voltage monitoring circuit and method thereof |
| GB2482266A (en) * | 2010-04-30 | 2012-01-25 | Mahindra Reva Electric Vehicles Pvt Ltd | System and method for monitoring and controlling energy system |
| CN103095877A (en) * | 2013-01-27 | 2013-05-08 | 谢特斌 | Wireless fixed-line telephone with battery monitoring and solar energy charging |
| CN104994254A (en) * | 2015-06-19 | 2015-10-21 | 蔡先军 | Handheld terminal scanner and intelligent scanning system |
| CN105882439A (en) * | 2015-11-02 | 2016-08-24 | 乐卡汽车智能科技（北京）有限公司 | Electric quantity monitoring device, navigation system and vehicle |
| JP2017059127A (en) * | 2015-09-18 | 2017-03-23 | シャープ株式会社 | Device, system, and method for energy management |
-
2007
- 2007-08-14 CN CNU2007201274292U patent/CN201112532Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010131262A2 (en) * | 2009-05-11 | 2010-11-18 | Reva Electric Car Company (Pvt) Limited | System and method for monitoring and controlling energy system |
| WO2010131262A3 (en) * | 2009-05-11 | 2011-01-06 | Reva Electric Car Company (Pvt) Limited | System and method for monitoring and controlling energy system |
| CN102439781A (en) * | 2009-05-11 | 2012-05-02 | 马亨德拉雷瓦电动汽车私人有限公司 | System and method for monitoring and controlling energy system |
| US9409533B2 (en) | 2009-05-11 | 2016-08-09 | Mahindra Reva Electric Vehicles Pvt. Ltd. | System and method for monitoring and controlling energy system |
| GB2482266A (en) * | 2010-04-30 | 2012-01-25 | Mahindra Reva Electric Vehicles Pvt Ltd | System and method for monitoring and controlling energy system |
| GB2482266B (en) * | 2010-04-30 | 2015-06-03 | Mahindra Reva Electric Vehicles Pvt Ltd | System and method for monitoring and controlling energy system |
| CN102307296A (en) * | 2011-09-06 | 2012-01-04 | 天津汇讯视通科技有限公司 | Dome camera power voltage monitoring circuit and method thereof |
| CN103095877A (en) * | 2013-01-27 | 2013-05-08 | 谢特斌 | Wireless fixed-line telephone with battery monitoring and solar energy charging |
| CN104994254A (en) * | 2015-06-19 | 2015-10-21 | 蔡先军 | Handheld terminal scanner and intelligent scanning system |
| JP2017059127A (en) * | 2015-09-18 | 2017-03-23 | シャープ株式会社 | Device, system, and method for energy management |
| CN105882439A (en) * | 2015-11-02 | 2016-08-24 | 乐卡汽车智能科技（北京）有限公司 | Electric quantity monitoring device, navigation system and vehicle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160905 Address after: 266111 Shandong city of Qingdao province Chengyang Jihongtan street Jin Sheng Road South Patentee after: Qingdao Byd Automobile Company Limited Address before: Kwai Chung town Yanan Road, BYD Industrial Park in Longgang District of Shenzhen City, Guangdong province 518119 Patentee before: Biyadi Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080910 |