CN108638876A - A kind of vehicle positioning system based on charge control - Google Patents
A kind of vehicle positioning system based on charge control Download PDFInfo
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- CN108638876A CN108638876A CN201810371459.0A CN201810371459A CN108638876A CN 108638876 A CN108638876 A CN 108638876A CN 201810371459 A CN201810371459 A CN 201810371459A CN 108638876 A CN108638876 A CN 108638876A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- B60L53/36—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Navigation (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of vehicle positioning systems based on charge control, including Vehicle Controller, CAN controller, data transmit-receive module, processor module, GPS data receiving module, GPRS data transmission module, signal modulation module, signal demodulation module, power supply module；The power supply module includes sequentially connected inverse-excitation type switch power-supply, charging control circuit, vehicular power-bottle；High certainty of measurement of the present invention, and it is easily achieved, location information is obtained in real time, by the location parameter of acquisition by signal modulation module, the optimization processing of signal demodulation module, the effective real-time and stability for promoting on-vehicle positioning terminal, external start-up circuit is eliminated, the power consumption of actuating section is substantially reduced；The present invention using close inside back cover pole pipe realize start, stand-by power consumption is low, and speed is fast, the present invention using close encapsulation technique, be not necessarily to high-pressure process, it is easy to accomplish, it is cost-effective；For the present invention when output short-circuit, system improves stability automatically into fixed frequency modes.
Description
Technical field
The invention belongs to vehicle location control machine field more particularly to a kind of vehicle positioning systems based on charge control.
Background technology
At home, in recent years with the rise that the wireless-aware networks such as the wisdom earth are applied, Internet of Things is applied in traffic, electricity
The fields such as power, medical treatment, environmental monitoring are widely used.In the world, the application based on Internet of Things is also just more next
It is more widely used in automobile making and service field, and one of most important business is most enlivened as Internet of Things field.
Currently, the major Automobile Enterprises in the whole world are actively promoting vehicular applications, to enhance it in products ＆ services field
Competitiveness.Car networking is built upon second application level on automotive circuit diagram and intelligence.So-called car networking refers to
By the sensing equipment being loaded on vehicle, collect the information of vehicle and passenger, by network share, realize driver,
The interconnection of vehicle, pedestrian, car networking platform, urban network to realize intelligence, safe driving, and enjoys technology+life clothes
Business etc..Preceding dress, rear dress market are run neck and neck, and follow-up continuous service expense brings the market space that is big and stablizing.Preceding entrucking net, it is main
Automaker is relied on, sensor, communication system based on preceding dress carry out vehicle failure detection, the functions such as driving service.
Entrucking net afterwards mainly relies on car dealer and operator, is adopted for the information during vehicle transport, use
Collect, track, summarize, and applies related service.In addition, car networking is also expected to pull onboard operations system and public service platform
Demand.
Currently, common vehicle location mode is GPS positioning, i.e., a GPS navigation terminal, the navigation are installed in the car
The navigation message that terminal is provided by reception space station GPS navigation satellite, can calculate the location of vehicle, including current
Longitude, latitude, height above sea level and vehicle the speed of service, GPS navigation terminal vehicle institute is shown in the form of navigation map
The position at place, or transmit this information in a data recording equipment of vehicle and recorded.But due to GPS belong to by
Reception system, i.e. GPS terminal are moved only in use, just can know that the position of oneself, can not notify commander department, this belt transect
The problem come, which is exactly the driver of only vehicle, could accurately grasp the location information of vehicle, and the administrative department as vehicle can not
Know the accurate location of vehicle.
Currently, common vehicle data transmission mode is mostly GPRS wireless data transmissions, since GPRS uses packet switch
Technology, and packet switch is not real-time system, delay is not fixed, so as to cause be transferred to from vehicle the information delay on ground compared with
Greatly, and since GPRS is a kind of business to grow up on the basis of GSM, that is to say, that the use of GPRS will depend on GSM nets
Network, and GSM network is at present in some remote areas or mountain area etc. accomplishes to be completely covered not yet, even if in the region that can be covered
Also there is situations such as GSM signals are affected by environment larger mostly, lead to jitter or form signal blind zone and can not provide
GPRS is serviced.
Invention content
The technical problem to be solved by the present invention is to provide a kind of vehicle based on charge control in view of the deficiencies of the prior art
Positioning system is carried, the real-time and stability of on-vehicle positioning terminal are further promoted.
The present invention uses following technical scheme to solve above-mentioned technical problem
A kind of vehicle positioning system based on charge control, including Vehicle Controller, CAN controller, data transmit-receive module, processing
Device module, GPS data receiving module, GPRS data transmission module, signal modulation module, signal demodulation module, power supply module；Institute
It states Vehicle Controller and passes sequentially through CAN controller, data transmit-receive module connection processing device module, the GPS data receiving module
Pass through signal modulation module, signal demodulation module connection processing device module, the GPRS data transmission module, power supply module successively
It is connect respectively with processor module；
The power supply module includes sequentially connected inverse-excitation type switch power-supply, charging control circuit, vehicular power-bottle；
Wherein, charging control circuit includes signal control terminal, charge power supply end, equipment feeder ear, battery-end, triode, first
Metal-oxide-semiconductor and the second metal-oxide-semiconductor；Wherein, the charge power supply end is grounded by concatenated first resistor and second resistance；Three pole
The base stage of pipe is separately connected the signal control terminal and charge power supply end, and the collector of the triode is connected by the 4th resistance
The grid of second metal-oxide-semiconductor also connects the source electrode of first metal-oxide-semiconductor, the emitter of the triode by 3rd resistor
Ground connection；The source electrode of second metal-oxide-semiconductor connects the charge power supply end by the first diode, and drain electrode connects the equipment power supply
End；The source electrode of first metal-oxide-semiconductor connects the charge power supply end by the first diode, grid connect the first resistor and
The tie point of second resistance, drain electrode connect the battery-end.
As a kind of vehicle positioning system based on charge control of the present invention, the signal modulation module includes RF power amplification
Circuit and baseband circuit, the RF power amplification circuit are connect with GPS data receiving module, for the positioning signal to receiving into
Row amplification, and the positioning signal of the amplification of generation is transferred to baseband circuit；What the baseband circuit was used to receive
The positioning signal of the amplification is transferred to signal demodulation module.
As a kind of vehicle positioning system based on charge control of the present invention, the Vehicle Controller include ECU, EGR,
TCU。
As a kind of vehicle positioning system based on charge control of the present invention, the processor module is public using Samsung
Take charge of 16/32 risc processor for using ARM7TDMI kernels released.
As a kind of vehicle positioning system based on charge control of the present invention, the GPS data receiving module it is chip-shaped
Number be MTK3329.
As a kind of vehicle positioning system based on charge control of the present invention, the power amplification circuit includes that summation is amplified
Device, protection circuit, DC level extract circuit, reference level automatic adjusument circuit and compare shaping circuit, and the summation is put
The output end of big device and protection circuit is separately connected the input terminal of DC level extraction circuit, the DC level extraction circuit
Output end is separately connected reference level automatic adjusument circuit and compares the input terminal of shaping circuit.
The present invention has the following technical effects using above technical scheme is compared with the prior art：
1, high certainty of measurement of the present invention, and be easily achieved, location information is obtained in real time, and the location parameter of acquisition is passed through into signal tune
The optimization processing of molding block, signal demodulation module, the effective real-time and stability for promoting on-vehicle positioning terminal；
2,16/32 risc processor of the ARM7TDMI kernels that the present invention is released using Samsung companies, the processor possess
Abundant build-in components：8KBcache, LED controller, sdram controller, 5 channel PWM customizers, PLL frequency multipliers, IIC are total
Line interface, IIS bus interface, 2 channel UART, 10 bit A/D converter of 4 channel DMA and 8 channel.These components make S3C44BOX
Processor is high performance simultaneously in guarantee, reduces the cost designed and developed to greatest extent.Compared to 8 traditional monolithics
Machine, S3C44BOX processors can largely promote demand of the on-vehicle positioning terminal to data processing speed；
3, GPS data receiving module uses newest MTK3329 chips as main control chip, and positioning accuracy is less than 10 m circumference
Error, positioning time are only 1 s under thermal starting pattern.MIC29302BU modules are the voltage tune of a high current high stability
Save module；
4, present invention eliminates external start-up circuits, substantially reduce the power consumption of actuating section；The present invention is real using inside back cover pole pipe is closed
Now start, stand-by power consumption is low, and speed is fast, the present invention using close encapsulation technique, be not necessarily to high-pressure process, it is easy to accomplish, it is cost-effective；This
When output short-circuit, system improves stability automatically into fixed frequency modes for invention.
Description of the drawings
Fig. 1 is the system structure schematic diagram of the present invention；
Fig. 2 is power module structure schematic diagram of the present invention.
Specific implementation mode
Technical scheme of the present invention is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of vehicle positioning system based on charge control, including Vehicle Controller, CAN controller, data are received
Send out module, processor module, GPS data receiving module, GPRS data transmission module, signal modulation module, signal demodulation module,
Power supply module；The Vehicle Controller passes sequentially through CAN controller, data transmit-receive module connection processing device module, the GPS numbers
Pass through signal modulation module, signal demodulation module connection processing device module successively according to receiving module, the GPRS data transmits mould
Block, power supply module are connect with processor module respectively；
Institute's power supply module includes sequentially connected inverse-excitation type switch power-supply, charging control circuit, vehicular power-bottle；Wherein, such as
Shown in Fig. 2, charging control circuit includes signal control terminal, charge power supply end, equipment feeder ear, battery-end, triode, first
Metal-oxide-semiconductor and the second metal-oxide-semiconductor；Wherein, the charge power supply end is grounded by concatenated first resistor and second resistance；Three pole
The base stage of pipe is separately connected the signal control terminal and charge power supply end, and the collector of the triode is connected by the 4th resistance
The grid of second metal-oxide-semiconductor also connects the source electrode of first metal-oxide-semiconductor, the emitter of the triode by 3rd resistor
Ground connection；The source electrode of second metal-oxide-semiconductor connects the charge power supply end by the first diode, and drain electrode connects the equipment power supply
End；The source electrode of first metal-oxide-semiconductor connects the charge power supply end by the first diode, grid connect the first resistor and
The tie point of second resistance, drain electrode connect the battery-end.
The signal modulation module includes RF power amplification circuit and baseband circuit, the RF power amplification circuit and GPS data
Receiving module connects, and is transmitted for being amplified to the positioning signal received, and by the positioning signal of the amplification of generation
To baseband circuit；The baseband circuit is used to the positioning signal of the amplification received being transferred to signal demodulation module.
The Vehicle Controller includes ECU, EGR, TCU.
The processor module is used using what Samsung companies released at 16/32 RISC of ARM7TDMI kernels
Manage device.
The chip model of the GPS data receiving module is MTK3329.
It is adaptive that the power amplification circuit includes summing amplifier, protection circuit, DC level extracts circuit, reference level
Circuit should be adjusted and compare shaping circuit, the output end of the summing amplifier and protection circuit is separately connected DC level extraction
The output end of the input terminal of circuit, the DC level extraction circuit is separately connected reference level automatic adjusument circuit and compares
The input terminal of shaping circuit.
Embodiment：A kind of vehicle positioning system based on charge control, including Vehicle Controller, CAN controller, data are received
Send out module, processor module, GPS data receiving module, GPRS data transmission module, signal modulation module, signal demodulation module,
Power supply module；Power supply module from vehicular power-bottle+12V DC electricity by the voltage conversion circuit on on-vehicle positioning terminal, turn
The direct current of+5 V ,+4.2 V and+3.3V are changed into respectively to the CAN data transmit-receive modules of on-vehicle positioning terminal, S3C44BOX cores
Piece, GPS satellite data receiving module and the power supply of GPRS data transmission module；CAN data transmit-receive modules are received by CAN bus
The data for the automatically controlled turner condition of reaction that the Vehicle Controllers such as ECU, EGR, TCU are sent, two 120 Europe resistance of CAN bus end
For impedance matching resistor；GPS then real-time reception satellite data and exports these data to CPU i.e. according to NMEA-0183 agreements
Processor module；CPU receives the data that CAN data transmit-receive modules transmit by acknowledgement mechanism, passes through interrupt mode real-time reception
Data that GPS is sent simultaneously are handled the satellite data received by respective algorithms, later by all data according to fixation
Format carry out being packaged and delivered to GPRS；After GPSR receives corresponding data packet, it is wirelessly uploaded to prison in real time
Control center.
S3C44BOX processors are 16/32 RISC processing for using ARM7TDMI kernels that Samsung companies release
Device.The processor possesses abundant build-in components：8KBcache, LED controller, sdram controller, 5 channel PWM customizers,
PLL frequency multipliers, iic bus interface, IIS bus interface, 2 channel UART, 10 bit A/D converter of 4 channel DMA and 8 channel.These
Component so that S3C44BOX processors are high performance simultaneously in guarantee（Highest running speed is up to 66 MHz）, reduce to greatest extent
The cost designed and developed.Compared to 8 traditional microcontrollers, S3C44BOX processors can largely promote vehicle positioning
The demand of terminal-pair data processing speed.
The core devices of GPS circuitry are GS-89M-J modules.The module uses newest MTK3329 chips as master control
Chip, positioning accuracy are less than 10m circumference errors, and positioning time is only 1s under thermal starting pattern.MIC29302BU modules are one
The VRM Voltage Regulator Module of money high current high stability.
Claims (5)
1. a kind of vehicle positioning system based on charge control, it is characterised in that：Including Vehicle Controller, CAN controller, data
Transceiver module, processor module, GPS data receiving module, GPRS data transmission module, signal modulation module, signal solution mode transfer
Block, power supply module；The Vehicle Controller passes sequentially through CAN controller, data transmit-receive module connection processing device module, described
GPS data receiving module passes through signal modulation module, signal demodulation module connection processing device module successively, and the GPRS data passes
Defeated module, power supply module are connect with processor module respectively；
The power supply module includes sequentially connected inverse-excitation type switch power-supply, charging control circuit, vehicular power-bottle；
Wherein, charging control circuit includes signal control terminal, charge power supply end, equipment feeder ear, battery-end, triode, first
Metal-oxide-semiconductor and the second metal-oxide-semiconductor；Wherein, the charge power supply end is grounded by concatenated first resistor and second resistance；Three pole
The base stage of pipe is separately connected the signal control terminal and charge power supply end, and the collector of the triode is connected by the 4th resistance
The grid of second metal-oxide-semiconductor also connects the source electrode of first metal-oxide-semiconductor, the emitter of the triode by 3rd resistor
Ground connection；The source electrode of second metal-oxide-semiconductor connects the charge power supply end by the first diode, and drain electrode connects the equipment power supply
End；The source electrode of first metal-oxide-semiconductor connects the charge power supply end by the first diode, grid connect the first resistor and
The tie point of second resistance, drain electrode connect the battery-end.
2. a kind of vehicle positioning system based on charge control according to claim 1, it is characterised in that：The signal tune
Molding block includes RF power amplification circuit and baseband circuit, and the RF power amplification circuit is connect with GPS data receiving module, for pair
The positioning signal received is amplified, and the positioning signal of the amplification of generation is transferred to baseband circuit；The base band
Circuit is used to the positioning signal of the amplification received being transferred to signal demodulation module.
3. a kind of vehicle positioning system based on charge control according to claim 1, it is characterised in that：The vehicle-mounted control
Device processed includes ECU, EGR, TCU.
4. a kind of vehicle positioning system based on charge control according to claim 1, it is characterised in that：The processor
Module uses 16/32 risc processor for using ARM7TDMI kernels that Samsung companies release.
5. a kind of vehicle positioning system based on charge control according to claim 1, it is characterised in that：The GPS numbers
Chip model according to receiving module is MTK3329.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810371459.0A CN108638876A (en) | 2018-04-24 | 2018-04-24 | A kind of vehicle positioning system based on charge control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810371459.0A CN108638876A (en) | 2018-04-24 | 2018-04-24 | A kind of vehicle positioning system based on charge control |
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| Publication Number | Publication Date |
|---|---|
| CN108638876A true CN108638876A (en) | 2018-10-12 |
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| CN201810371459.0A Pending CN108638876A (en) | 2018-04-24 | 2018-04-24 | A kind of vehicle positioning system based on charge control |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647313A (en) * | 2013-11-29 | 2014-03-19 | 广州视源电子科技股份有限公司 | A charging control circuit |
| CN107395237A (en) * | 2017-08-29 | 2017-11-24 | 邢建强 | A kind of on-vehicle positioning terminal |
| CN107807586A (en) * | 2017-11-30 | 2018-03-16 | 苏州切思特电子有限公司 | A kind of smart home power consumption control system based on metal-oxide-semiconductor |
-
2018
- 2018-04-24 CN CN201810371459.0A patent/CN108638876A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647313A (en) * | 2013-11-29 | 2014-03-19 | 广州视源电子科技股份有限公司 | A charging control circuit |
| CN107395237A (en) * | 2017-08-29 | 2017-11-24 | 邢建强 | A kind of on-vehicle positioning terminal |
| CN107807586A (en) * | 2017-11-30 | 2018-03-16 | 苏州切思特电子有限公司 | A kind of smart home power consumption control system based on metal-oxide-semiconductor |
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Application publication date: 20181012 |