CN202029703U - Special instrument for new energy vehicle - Google Patents
Special instrument for new energy vehicle Download PDFInfo
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- CN202029703U CN202029703U CN2011201506597U CN201120150659U CN202029703U CN 202029703 U CN202029703 U CN 202029703U CN 2011201506597 U CN2011201506597 U CN 2011201506597U CN 201120150659 U CN201120150659 U CN 201120150659U CN 202029703 U CN202029703 U CN 202029703U
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Abstract
The utility model provides a special instrument for a new energy vehicle, which comprises an instrument shell and an internal circuit. The instrument shell consists of a base, a surface glass cover cap, a panel, a combination switch operation and control mechanism and a TFT (thin film transistor) liquid crystal display screen. The internal circuit is connected with an external interface. The external interface passes through the base to be communicated with other parts or an upper computer on a vehicle body. A central processor of the internal circuit is communicated with other parts of the vehicle according to a CAN (Controller Area Network) bus communication protocol; operation states and fault information of other parts of the vehicle are acquired by a signal acquisition module, a vehicle sensor and a sampling unit; and then the display screen is driven by a video main control processor and an encoder circuit to display the operation states and the fault information of other parts of the vehicle. The special instrument for the new energy vehicle integrates functions of a vehicle-mounted microcomputer, a battery management system, a finished automobile subsystem operation state and fault early warning system, a video rearview system, parking distance measurement and the like and has functions of detecting, managing and displaying working conditions, parameters and detailed faults of a battery, a motor, a motor controller, a vehicle body controller BCM (body control module) and the like for a user to inquire and set.
Description
Technical field
The utility model relates to the new-energy automobile field, more precisely, relates to a kind of digital meter that is exclusively used in new-energy automobile.
Background technology
Grow in intensity along with petroleum-based energy is in short supply, and problem of environmental pollution is serious day by day, alternative oil and more the development and use of the new forms of energy of energy-conserving and environment-protective more and more paid attention to by national governments, new-energy automobile also arises at the historic moment.
New-energy automobile is meant and adopts unconventional vehicle fuel as power resources (or using conventional vehicle fuel, employing novel on-vehicle engine installation), the power control of comprehensive vehicle and the pioneering technology of driving aspect, have the automobile of up-to-date technology, new construction at the know-why advanced person of formation.New-energy automobile comprises hybrid vehicle, pure electric automobile (comprising solar car), fuel cell electric vehicle, hydrogen engine automobile, other new forms of energy (as high-efficiency energy-storage device, dimethyl ether) automobile etc.New-energy automobile on sale in the market mainly contains electronlmobil and plug-in hybrid-power automobile.
To the support energetically of new-energy automobile, its speed of development is more and more faster in " energy-conservation with new-energy automobile estate planning (2011-2020) " formulated along with national Ministry of Industry and Information.Because of the particularity of new-energy automobile propulsion source, traditional internal-combustion engines vehicle instrument fails to satisfy requirements, so it is also imperative that the new-energy automobile meter specially is carried out technical innovation.
State Intellectual Property Office discloses a kind of automobile combination meter on June 17th, 2009, and application number is 200820190268.6.It comprises meter case, wiring board, calibrated disc support, calibrated disc, meter hand, instrument face plate, watch crystal, connector, liquid crystal; Gauge internal contains average speed indicator, mileage meter, engine speed indicator, cooling-fluid thermometer, oil measurer, oil pressure gauge, two Low Air Pressure in Brake, vehicle voltage table and warning indicator lamps; Average speed indicator, engine speed indicator, cooling-fluid thermometer, oil measurer, two Low Air Pressure in Brake are respectively equipped with stepping motor; Mileage meter, oil pressure gauge, volt meter adopt a liquid crystal display jointly; Oil pressure gauge and volt meter adopt light beam to show.This scheme is representative type internal-combustion engines vehicle instrument, can't show the mode of operation and the failure message of the vitals such as power motor, power motor controller, power accumulator of new-energy automobile.
Also engendered the instrument that can be used for new-energy automobile in the market, but be confined to the instrument orientation thinking of traditional combustion engine automobile, just do minor modifications on its basis, still can't comprehensively show the new-energy automobile mode of operation that quantity of information is huge and complicated.
Summary of the invention
At the prior art above shortcomings, the utility model aims to provide a kind of perfect in shape and function, can show the digital meter of new-energy automobile work state information comprehensively.Have functions such as integrated on-board micro computer (car running computer), power battery management system, car load subsystem running state and fault early warning system, vehicle backing backsight and the range finding of parking, possess to concrete mode of operation and the parameter of electrokinetic cell, power motor, power motor controller, car body controller BCM and the detailed failure condition of car load is surveyed, manages, is shown and for user's inquiry, function is set.
To achieve these goals, the utility model provides following technical scheme:
The new-energy automobile meter specially comprises meter housing and internal circuit, it is characterized in that, described meter housing is made up of base, watch crystal cover cap, panel, combined switch steering unit and TFT RGB graphic lcd read-out; Described read-out bottom is provided with internal circuit board, and internal circuit board is connected with external interface, and external interface passes other parts of base and vehicle body or upper computer etc. and is connected communication;
Described internal circuit comprises central process unit, it (comprises electronic control unit ECU according to CAN bus communication agreement and other parts of vehicle, the power motor controller, the battery charger control system, energy management system etc.) real-time communication, (comprise Hall element by various sensors on signal acquisition module and the vehicle, temperature sensor etc.), sampling unit (comprises voltage acquisition module, the current acquisition module, insulation resistance acquisition module etc.) obtain the vehicle power battery, power motor, the power motor controller, other parts running state information and failure messages such as car body controller BCM, central process unit obtains carrying out comprehensive treatment and transfer being pre-stored in flash memory after these information, the various displays information from them and the figure of synchronous DRAM show by video main control processor and Video Decoder circuit drives TFT RGB graphic lcd read-out then;
Video main control processor and Video Decoder circuit, be located between central process unit and the TFT RGB graphic lcd read-out, be used for the demonstration information of prime central process unit output is carried out comprehensive treatment, and a level TFT RGB graphic lcd read-out shows these information after driving;
Combined switch steering unit circuit, directly link to each other with central process unit, by two pieces of combined switch compounding practices, functions such as the realization time is regulated, little mileage makes zero, switch, select and be provided with between each interface, wherein left-handed button is suitable/and left-hand revolution be that forward/backward page-turning function, middle key press is to select or definite function; The dextrorotation button is suitable/left-hand revolution for downwards/upwards turn over capable function, middle key is pressed to cancellation or return function;
Signal acquisition circuit, link to each other with central process unit, carry out communication by vehicle body miscellaneous parts such as various sensors, sampling unit on external interface and the vehicle, gathering other parts running state information and failure messages such as electrokinetic cell, power motor, power motor controller, car body controller BCM, and the information of being gathered is sent to central process unit;
The synchronous DRAM circuit links to each other with central process unit, is used for storing the temporary information of need of central process unit output temporarily, and transfers at any time for central process unit;
The vehicle backing backsight and the range finding control circuit of parking, link to each other with central process unit, by external interface and vehicle backing backsight camera and ultrasonic transduter communication, and to the backsight graphicinformation obtained and carry out comprehensive treatment with obstacle distance information and be sent to central process unit then;
Power circuit for described function module circuit provides power supply, and suppresses conducted interference to guarantee electromagnetic compatibility.
Adopt technique scheme, the present invention has following advantage and beneficial effect:
1, complete function of the present invention, perfect, functions such as integrated vehicle-mounted micro computer (car running computer), power battery management system, car load subsystem running state and fault early warning system, vehicle backing backsight and the range finding of parking, possess to concrete mode of operation and the parameter of electrokinetic cell, power motor, power motor controller, car body controller BCM and the detailed failure condition of car load is surveyed, manages, is shown and for user's inquiry, function is set.
2, adopt 7 cun TFT high definitions of pure digi-talization RGB graphic lcd read-out (800 * 480,65000 looks), have and to show more information simultaneously, and the advantage that displaying contents is clear, collocation of colour is reasonable, man-machine interface is friendly is fit to very show that quantity of information is huge, complicated, show the more new-energy automobile of bursty state.Simultaneously, compare with machinery instruments such as traditional stepping motors and improved display precision, reliability etc. greatly.
3, adopt many INTERFACE DESIGN, shown quantity of information is more, more simple and clear, and INTERFACE DESIGN is abundant, attractive in appearance, and man-machine interface close friend is beneficial to the user and uses very much.
4, operating mode is simple, convenient, adopt two combined switch designs, / left-hand revolution function suitable except that having, also have middle bond distance by with short by function, two pieces of combined switch compounding practices can be regulated the new-energy automobile meter specially time of carrying out, little mileage makes zero, switch, select and be provided with between each interface etc.The vibration resistance of avoided complicated operations modes such as external connection keyboard, also avoiding adopting touch-type glass screen to cause is poor, reliability is low, easy dust stratification, easy shortcoming such as dirty.
5, adopt excellent circuit layout, under the prerequisite that guarantees good electromagnetic compatibility, reduced the consumption of instrument running power.
Description of drawings
Fig. 1 is a kind of main interface of the present utility model general illustration, comprises base (1), watch crystal cover cap (2), combined switch steering unit (3), panel (4), TFT RGB graphic lcd read-out (5) among the figure;
Fig. 2 is a kind of electrokinetic cell details of the present utility model interface scheme drawing;
Fig. 3 is a kind of new-energy automobile integrated information of the present utility model interface scheme drawing;
Fig. 4 is a kind of power battery charging of the present utility model interface scheme drawing;
Fig. 5 is a kind of reversing of the present utility model interface scheme drawing;
Fig. 6 is a system chart of the present utility model, and its actual functional module is closely allied with each other, and does not have clear and definite boundary line;
Fig. 7 is a main circuit block diagram of the present utility model;
Fig. 8 is the Power power circuit diagram one among Fig. 7;
Fig. 9 is the Input power circuit diagram two among Fig. 7;
Figure 10 is the MCU ﹠amp among Fig. 7; TFT FLAT PANEL CONTROLLER display control switch incoming signal figure;
Figure 11 is the MCU central process unit connection diagram among Fig. 7;
Figure 12 is DDR controller and the synchronous DRAM connection diagram among Fig. 7;
Figure 13 is the TFT PANEL LCDs connection diagram among Fig. 7;
Figure 14 is the Flash flash memory connection diagram among Fig. 7.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
As Fig. 1～shown in Figure 5, a kind of new-energy automobile meter specially, comprise housing, described housing comprises base (1), watch crystal cover cap (2) and panel (4), described panel is between base and watch crystal cover cap, there are circuit card and TFT RGB graphic lcd read-out (5) in the panel below, circuit card is positive to be connected with combined switch steering unit (3), the combined switch steering unit passes panel and watch crystal cover cap to make things convenient for user's direct control, back of circuit board is connected with external interface, and external interface passes other parts of base and vehicle body or upper computer etc. and is connected communication.Described TFT RGB graphic lcd read-out (5) is 7 cun TFT high definition RGB graphic lcd read-outs.
Referring to Fig. 6, circuit card comprises power circuit, central process unit, video main control processor and Video Decoder circuit, combined switch steering unit circuit, signal acquisition circuit, flash memory circuit, synchronous DRAM circuit, vehicle backing backsight and parks range finding control circuit, external interface circuit.Each circuit module is closely allied with each other, there is no clear and definite boundary line, but decompose: video main control processor and Video Decoder circuit from electrical principle, be located between central process unit and the TFT RGB graphic lcd read-out, be used for the demonstration information of prime central process unit output is carried out comprehensive treatment, and a level TFT RGB graphic lcd read-out shows these information after driving; Combined switch steering unit circuit directly links to each other with central process unit, by two pieces of combined switch compounding practices, can realize to instrument select, setting, interface switching etc.; Flash memory circuit directly links to each other with central process unit, is used for the display module figure of each display interface of stores meter and icon information etc., and reads for central process unit; The synchronous DRAM circuit directly links to each other with central process unit, is used for storing the temporary information of need of central process unit output temporarily, and transfers at any time for central process unit; Signal acquisition circuit, link to each other with central process unit, carry out communication by vehicle body miscellaneous parts such as various sensors, sampling unit on external interface and the vehicle, gathering other parts running state information and failure messages such as electrokinetic cell, power motor, power motor controller, car body controller BCM, and the information of being gathered is sent to central process unit; The vehicle backing backsight and the range finding control circuit of parking, link to each other with central process unit, by external interface and vehicle backing backsight camera and ultrasonic transduter communication, and to the backsight graphicinformation obtained and carry out comprehensive treatment with obstacle distance information and be sent to central process unit then; Power circuit, between external interface and each function module circuit, obtain power supply by external interface from the outside, thereby and carry out multiple voltage that the multistep treatment output amplitude do not wait for above each function module circuit provides power supply, suppress conducted interference simultaneously to guarantee electromagnetic compatibility.
External interface comprise with other parts of vehicle body between be connected communication power interface, control signal interface, breakdown signal interface, CAN bus communication interface and and upper computer between change the USB2.0 interface etc. of USB communication by RS232.The combined switch steering unit is by two pieces of combined switch compounding practices, functions such as the realization time is regulated, little mileage makes zero, switch, select and be provided with between each interface, wherein left-handed button is suitable/and left-hand revolution be that forward/backward page-turning function, middle key press is to select or definite function; The dextrorotation button is suitable/left-hand revolution for downwards/upwards turn over capable function, middle key is pressed to cancellation or return function.
Central process unit (comprises electronic control unit ECU according to CAN bus communication agreement and other parts of vehicle, the power motor controller, the battery charger control system, energy management system etc.) real-time communication, (comprise Hall element by various sensors on signal acquisition module and the vehicle, temperature sensor etc.), sampling unit (comprises voltage acquisition module, the current acquisition module, insulation resistance acquisition module etc.) obtain the vehicle power battery, power motor, the power motor controller, other parts running state information and failure messages such as car body controller BCM, central process unit obtains carrying out comprehensive treatment and transfer being pre-stored in flash memory after these information, the various displays information from them and the figure of synchronous DRAM show by video main control processor and Video Decoder circuit drives TFT LCDs then.Possesses motor speed, the speed of a motor vehicle, total kilometrage, divide mileage, the power accumulator voltage and current, the battery pack remaining capacity SOC, battery pack health index SOH, dump energy is estimated the mileage number, power motor voltage and power, power motor controller temperature, the outer temperature of car, gear, time, states such as light indication (ready for operation, the side-marker lamp, passing light, country beam, danger alarm lamp, the left steering lamp, the right steering lamp, adverse-weather lamp, fog tail lamp, charging, charging connection etc.), fault alarm or indication (safety air bag fault alarm, ABS-system fault is reported to the police, car door does not close warning, safety strap is not warning, EPS electric steering system fault, power accumulator cut-out or electrolyte level are bad, motor and controller are overheated, motor circuit fuse box inlet, the prompting of high pressure warning/shock hazard, the bad warning of braking liquid level, the system failure, danger warning, the charging indication, charging connects indication, braking during standstill indication etc.) function such as.
Central process unit is by vehicle backing backsight and park range finding control circuit and vehicle backing backsight camera and ultrasonic transduter communication, obtain the backsight graphicinformation and with obstacle distance information and carry out comprehensive treatment, show by video main control processor and Video Decoder circuit drives TFT LCDs then.
Referring to Fig. 7 to Figure 14, be to realize a kind of physical circuit of the present invention.
Claims (4)
1. the new-energy automobile meter specially comprises meter housing and internal circuit, it is characterized in that, described meter housing is made up of base, watch crystal cover cap, panel, combined switch steering unit and TFT RGB graphic lcd read-out; Described read-out bottom is provided with internal circuit board, and internal circuit board is connected with external interface, and external interface passes other parts of base and vehicle body or upper computer etc. and is connected communication;
Described internal circuit comprises central process unit, it is according to CAN bus communication agreement and other parts real-time communication of vehicle, by various sensors on signal acquisition module and the vehicle, sampling unit obtains the vehicle power battery, motor, electric machine controller, the running state information of car body controller BCM and failure message, central process unit obtains carrying out comprehensive treatment and transfer being pre-stored in flash memory after these information, the various displays information from them and the figure of synchronous DRAM show by video main control processor and Video Decoder circuit drives TFT RGB graphic lcd read-out then;
Video main control processor and Video Decoder circuit, be located between central process unit and the TFT RGB graphic lcd read-out, be used for the demonstration information of prime central process unit output is carried out comprehensive treatment, and a level TFT RGB graphic lcd read-out shows these information after driving;
Combined switch steering unit circuit, link to each other with central process unit, by two pieces of combined switch compounding practices, functions such as the realization time is regulated, little mileage makes zero, switch, select and be provided with between each interface, wherein left-handed button is suitable/and left-hand revolution be that forward/backward page-turning function, middle key press is to select or definite function; The dextrorotation button is suitable/left-hand revolution for downwards/upwards turn over capable function, middle key is pressed to cancellation or return function;
Signal acquisition circuit, link to each other with central process unit, carry out communication by vehicle body miscellaneous parts such as various sensors, sampling unit on external interface and the vehicle, gathering other parts running state information and failure messages such as electrokinetic cell, power motor, power motor controller, car body controller BCM, and the information of being gathered is sent to central process unit;
The synchronous DRAM circuit links to each other with central process unit, is used for storing the temporary information of need of central process unit output temporarily, and transfers at any time for central process unit;
The vehicle backing backsight and the range finding control circuit of parking link to each other with central process unit, by external interface and vehicle backing backsight camera and ultrasonic transduter communication, and the backsight graphicinformation of being obtained are reached and obstacle distance information is carried out comprehensive treatment;
And power circuit, for described function module circuit provides power supply, and suppress conducted interference to guarantee electromagnetic compatibility.
2. according to the described new-energy automobile meter specially of claim 1, it is characterized in that, also comprise flash memory circuit, be used for storing the display module figure of each display interface of digital meter and icon information etc., and read for central process unit.
3. according to the described new-energy automobile meter specially of claim 1, it is characterized in that, described external interface comprise with other parts of vehicle body between be connected communication power interface, control signal interface, breakdown signal interface, CAN bus communication interface and and upper computer between change the USB2.0 interface of USB communication by RS232.
4. according to the described new-energy automobile meter specially of claim 1, it is characterized in that described TFT RGB graphic lcd read-out is 7 cun TFT high definition RGB graphic lcd read-outs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201506597U CN202029703U (en) | 2011-05-12 | 2011-05-12 | Special instrument for new energy vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201506597U CN202029703U (en) | 2011-05-12 | 2011-05-12 | Special instrument for new energy vehicle |
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| Publication Number | Publication Date |
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| CN202029703U true CN202029703U (en) | 2011-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201506597U Expired - Fee Related CN202029703U (en) | 2011-05-12 | 2011-05-12 | Special instrument for new energy vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211524A (en) * | 2011-05-12 | 2011-10-12 | 重庆力华科技有限责任公司 | Instrument special for new energy automobile |
| CN102806850A (en) * | 2012-07-20 | 2012-12-05 | 奇瑞汽车股份有限公司 | Combination instrument for hybrid vehicle type |
| CN105487424A (en) * | 2014-09-16 | 2016-04-13 | 陕西汽车集团有限责任公司 | Control device for installing electrical control system on special vehicle, and special vehicle |
| CN106627143A (en) * | 2016-12-05 | 2017-05-10 | 广东亿鼎新能源汽车有限公司 | Electric vehicle comprehensive instrument system |
| WO2022036828A1 (en) * | 2020-08-21 | 2022-02-24 | 黑龙江天有为电子有限责任公司 | Automobile central control system and dashboard display system thereof |
-
2011
- 2011-05-12 CN CN2011201506597U patent/CN202029703U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211524A (en) * | 2011-05-12 | 2011-10-12 | 重庆力华科技有限责任公司 | Instrument special for new energy automobile |
| CN102806850A (en) * | 2012-07-20 | 2012-12-05 | 奇瑞汽车股份有限公司 | Combination instrument for hybrid vehicle type |
| CN105487424A (en) * | 2014-09-16 | 2016-04-13 | 陕西汽车集团有限责任公司 | Control device for installing electrical control system on special vehicle, and special vehicle |
| CN106627143A (en) * | 2016-12-05 | 2017-05-10 | 广东亿鼎新能源汽车有限公司 | Electric vehicle comprehensive instrument system |
| WO2022036828A1 (en) * | 2020-08-21 | 2022-02-24 | 黑龙江天有为电子有限责任公司 | Automobile central control system and dashboard display system thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20200512 |