CN103738275A - Vehicle air-conditioning controller - Google Patents
Vehicle air-conditioning controller Download PDFInfo
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- CN103738275A CN103738275A CN201310746321.1A CN201310746321A CN103738275A CN 103738275 A CN103738275 A CN 103738275A CN 201310746321 A CN201310746321 A CN 201310746321A CN 103738275 A CN103738275 A CN 103738275A
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Abstract
The invention provides a vehicle air-conditioning controller which is suitable for a mechanical-electric air-conditioning compressor. The vehicle air-conditioning controller comprises a microprocessor MCU module, an electromagnetic clutch control module and a display module, wherein the microprocessor MCU module uses a microprocessor as the center and is provided with an input module, an in-vehicle temperature acquiring module, an engine rotation speed detecting module, a running vehicle state acquiring module, a compressor rotation speed detecting module and a compressor electric driving module. The air-conditioning controller including the modules can optimize the working conditions of an air-conditioning compressor, enable the air-conditioning compressor to always work in an efficient state and further achieve the energy-saving purpose.
Description
Technical field
The present invention relates to motor vehicle driven by mixed power air-conditioner controller, belong to vehicle control field.
Background technology
Motor vehicle driven by mixed power obtains the support energetically of government and society in recent years, has benefited from its high fuel saving ratio, anti-emission carburetor.Ideally motor vehicle driven by mixed power fuel saving ratio can reach more than 50%, but people are not limited to this for the pursuit of energy conservation.Because traditional car air-conditioner is generally mechanical air conditioner, use drive disk assembly that air-conditioning compressor is connected in to engine shaft, utilize the moving compressor of engine direct tape splicing to rotate, and then freeze or heat; In hybrid power system, the energy-conservation driving engine that requires can not omnidistancely drive, and tail-off when low speed or idling, now requires air-conditioning to close, and to vehicle interior temperature, regulates and brings great inconvenience.Engineering specialists have designed electro-mechanical air conditioner for both for this reason, when vehicle pure motor driving, make the air-conditioning that is driven electrically, and when by motor-powered vehicle, use driven by engine air-conditioning, and having solved motor vehicle driven by mixed power air-conditioning cannot an omnidistance difficult problem of using.In addition, for air-conditioning compressor itself, also have " efficiency curve ", generally, along with compressor rotary speed increases, its cooling/heating efficiency reduces, and when rotating speed reaches certain value, its efficiency can have a strong impact on the economic benefit that compressor produces.The current control for car air-conditioner is still in solving the problem of " use ", and few people pay close attention to the problem of air-conditioning " energy-conservation ".According to statistics, the use of traditional full size vehicle air-conditioning increases more than 10% gross vehicle oil consumption, and for motor vehicle driven by mixed power, this numeral will be more.So high energy consumption makes the engineering specialists energy-conservation pioneering technology of car air-conditioner of having to begin one's study.The invention provides a kind of motor vehicle driven by mixed power air-conditioner controller, in conjunction with advanced control method, can make air-conditioning compressor always work in efficient state, reach energy-conservation object.
Summary of the invention
Technical scheme of the present invention comprises: a kind of vehicle air conditioner controller, be connected with air conditioner compressor of vehicle, and described compressor is the dual-purpose compressor of electro-mechanical, between compressor and driving engine, is provided with magnetic clutch; It is characterized in that, this controller comprises with lower module: Micro-processor MCV module; Load module, is connected with Micro-processor MCV module, and user passes through this module to microprocessor input message; Temperature collect module, is connected with Micro-processor MCV module, gathers when vehicle in front temperature and will after vehicle interior temperature information processing, pass to microprocessor control module; Whether engine speed detection module, is connected with microprocessor control MCU module, detect present engine and start; Driving states detection module, is connected with microprocessor control MCU module, detects vehicle current whether in accelerating or climbing state; Compressor electric drive module, is connected with Micro-processor MCV module, and when first pre-conditioned while meeting, this module activates, and actuating motor drives air-conditioning compressor; Magnetic clutch control module, is connected with Micro-processor MCV module, and when second pre-conditioned while meeting, this module activates, and magnetic clutch engages, by engine drive air-conditioning compressor.
On such scheme basis, described first is pre-conditionedly: the current vehicle interior temperature of a. does not start higher than preset temperature and present engine; Or first pre-conditioned be the current vehicle interior temperature of b. higher than preset temperature and when vehicle in front is in accelerating or climbing state.
As another preferred embodiment of the present invention, also comprise compressor rotary speed acquisition module, be connected with micro-processing and control module, gather current compressor rotary speed.Further, described first is pre-conditionedly: current vehicle interior temperature higher than preset temperature and current compressor rotary speed higher than preset rotation speed.In addition, described compressor rotary speed acquisition module is connected with compressor rotary speed sensor.
As another preferred embodiment of the present invention, described temperature collect module is connected with car load CAN bus, by CAN bus, obtains temperature information.
As another preferred embodiment of the present invention, described engine speed detection module is connected with engine speed sensor.
Described driving states acquisition module is connected with car load CAN bus, by CAN bus, obtains status information.
Accompanying drawing explanation
Fig. 1 is the modular construction schematic diagram of vehicle air conditioner controller of the present invention.
The specific embodiment
Figure 1 shows that the structural representation of vehicle air conditioner controller of the present invention.This controller is applicable to machinery-electric dual-purpose compressor, and compressor can be used direct motor drive, also can by and driving engine between the adhesive of magnetic clutch, by engine drive.Controller is provided with conventional interface, connects electrical motor, magnetic clutch, controls the startup of electrical motor and the adhesive of magnetic clutch, realizes the electronic or mechanical mode of compressor.This controller comprises with lower module: Micro-processor MCV module, centered by microprocessor, load module, vehicle interior temperature information acquisition module, engine speed detection module, driving states acquisition module, compressor rotary speed acquisition module, compressor electric drive module are set, magnetic clutch control module and display module, with upper module, be connected with microprocessor module respectively, following functions be provided:
Micro-processor MCV module, the overhead control unit of controller, receives and processes the information that each module sends, and carries out output services instruction after analytical calculation.
Load module, normal controller outer setting has TIP, and user inputs comfort temperature information by TIP, by load module, is received post-processing and is sent to Micro-processor MCV;
Vehicle interior temperature information acquisition module, for obtaining the vehicle interior temperature information being captured by the temperature sensor arranging in car everywhere, is sent to Micro-processor MCV module after processing; The collection of vehicle interior temperature information contributes to timely switch air-conditioning, reduces energy dissipation.
Engine speed detection module, this module Main Function is to judge whether current vehicle motor starts.The benefit of carrying out this step judgement is, makes user open at any time as required air-conditioning, under driving engine unstart state, by direct motor drive air-conditioning compressor, after engine starting, by engine drive air-conditioning, uses convenient; The acquisition of engine speed information has two kinds of modes, and the one, utilize the tachogen that is arranged at engine shaft place to gather engine speed, be sent to driving states module; If engine speed is zero, mean when vehicle in front is in static or motor drive block, if now microprocessor receives air-conditioning open command, activate compressor electric drive module, start drive motor for compressor and make compressor operating.The 2nd, by CAN bus, obtain current driving states.For motor vehicle driven by mixed power, generally by CAN, manage whole vehicle state, whole-control system is collected the each parts running condition of vehicle by CAN bus, coordinating to control makes car load reach best motoring condition, in CAN bus message, comprise current vehicular drive status information, air-conditioner controller middle rolling car block of state directly can be connected with CAN bus, by the total line drawing vehicle-state of CAN, coordinate the use of air-conditioning.Specifically, if current driving is pure electric drive state, air-conditioner controller order compressor, with the work of electric drive form, starts drive motor for compressor so that compressor operating; If current driving states is engine drive pattern, the magnetic clutch between air-conditioner controller order compressor and motor engages, by driven by engine compressor operating.
Display module can show the information such as current vehicle interior temperature, target temperature, current air conditioning exhausting amount in real time to user.
As the preferred scheme of one, in this air-conditioner controller, add driving states detection module, for checking the driving states of vehicle under engine drive pattern, as, whether in states such as startup, acceleration, climbings, to after this information processing, send to Micro-processor MCV module, above-mentioned information can obtain by car load CAN bus.
As a kind of preferential embodiment, in controller of the present invention, also comprise compressor rotary speed acquisition module, for gathering compressor rotary speed information, after processing, send to Micro-processor MCV module.Compressor rotary speed acquisition module gathers engine speed also can be in the following manner: in compressor rotation shaft place sensor installation, collect the specifying information of current compressor rotary speed by sensor, and this information is sent to Micro-processor MCV module; Another kind of mode is to gather engine speed information by car load CAN bus.
Micro-processor MCV module receives after the design temperature information being sent by load module, the vehicle interior temperature information being sent by vehicle interior temperature detection module, judge, if current vehicle interior temperature higher than design temperature, Micro-processor MCV enter air-conditioning open prepare.The advantage of air-conditioner controller of the present invention is to open in conjunction with current vehicle-state control air-conditioning, to reach energy-conservation to greatest extent.That is, air-conditioning enters to be opened after preparation, by Micro-processor MCV, reads present engine rotary speed information, if driving engine does not start, air-conditioner controller sends order compressor with the work of electric drive form, starts drive motor for compressor so that compressor operating; If present engine starts, the magnetic clutch between air-conditioner controller order compressor and driving engine engages, by driven by engine compressor operating.
Under the prerequisite of engine starting work, in order to reach further energy-saving effect, adopt driving states detection module to do further to optimize to driven compressor condition.By microprocessor, read current driving status information, comprise that whether vehicle is in states such as startup, acceleration, climbings.If when vehicle in front is in above state, Micro-processor MCV control activates drive motor for compressor control module, by direct motor drive compressor operating, otherwise by engine drive air-conditioning compressor.When vehicle accelerates, often need stronger power, motor torque is larger, if now use engine drive air-conditioning compressor, be not easy to make full use of on the one hand the advantage of current working driving engine, also can have influence on the other hand engine drive ability, cause Conversion of Energy not thorough, waste energy; Therefore when motor-powered vehicle accelerates and start, use driven by power air-conditioning compressor more economical.
On the other hand, compressor rotary speed detection module can further be optimized driven compressor pattern, strengthens energy-saving effect.According to the intrinsic rotating speed-efficiency curve of compressor, compressor efficiency increases and reduces gradually with rotating speed.First select in the preset microprocessor of the efficient rotary speed data of compressor, by Micro-processor MCV, read current compressor rotary speed information, and compare with preset compressor rotary speed, if current compressor rotary speed exceeds compressor desired speed, actuating motor drives air-conditioning compressor, otherwise uses engine drive.
The above is the most preferably condition that realizes technical solution of the present invention; do not get rid of the present invention and also exist other less preferred conditions can realize identical or similar technique effect, all improvement of doing on technical solution of the present invention basis and the scheme that can realize technique effect of the present invention are all within protection scope of the present invention.
Claims (8)
1. a vehicle air conditioner controller, is connected with air conditioner compressor of vehicle, and described compressor is the dual-purpose compressor of electro-mechanical, between compressor and driving engine, is provided with magnetic clutch; It is characterized in that, this controller comprises with lower module:
Micro-processor MCV module;
Load module, is connected with Micro-processor MCV module, and user passes through this module to microprocessor input message;
Temperature collect module, is connected with Micro-processor MCV module, gathers when vehicle in front temperature and will after vehicle interior temperature information processing, pass to microprocessor control module;
Whether engine speed detection module, is connected with microprocessor control MCU module, detect present engine and start;
Driving states detection module, is connected with microprocessor control MCU module, detects vehicle current whether in accelerating or climbing state;
Compressor electric drive module, is connected with Micro-processor MCV module, and when first pre-conditioned while meeting, this module activates, and actuating motor drives air-conditioning compressor;
Magnetic clutch control module, is connected with Micro-processor MCV module, and when second pre-conditioned while meeting, this module activates, and magnetic clutch engages, by engine drive air-conditioning compressor.
2. vehicle air conditioner controller according to claim 1, is characterized in that, described first is pre-conditionedly: the current vehicle interior temperature of a. does not start higher than preset temperature and present engine; Or first pre-conditioned be the current vehicle interior temperature of b. higher than preset temperature and when vehicle in front is in accelerating or climbing state.
3. vehicle air conditioner controller according to claim 1, is characterized in that, also comprises compressor rotary speed acquisition module, is connected with micro-processing and control module, gathers current compressor rotary speed.
4. hybrid vehicle air-conditioner controller according to claim 3, is characterized in that, described first is pre-conditionedly: current vehicle interior temperature higher than preset temperature and current compressor rotary speed higher than preset rotation speed.
5. vehicle air conditioner controller according to claim 3, is characterized in that, described compressor rotary speed acquisition module is connected with compressor rotary speed sensor.
6. vehicle air conditioner controller according to claim 1, is characterized in that, described temperature collect module is connected with car load CAN bus, by CAN bus, obtains temperature information.
7. vehicle air conditioner controller according to claim 1, is characterized in that, described engine speed detection module is connected with engine speed sensor.
8. vehicle air conditioner controller according to claim 1, is characterized in that, described driving states acquisition module is connected with car load CAN bus, by CAN bus, obtains status information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310746321.1A CN103738275B (en) | 2013-12-25 | 2013-12-25 | Vehicle air conditioner controller |
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| CN201310746321.1A CN103738275B (en) | 2013-12-25 | 2013-12-25 | Vehicle air conditioner controller |
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| CN103738275A true CN103738275A (en) | 2014-04-23 |
| CN103738275B CN103738275B (en) | 2016-06-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105216781A (en) * | 2014-07-01 | 2016-01-06 | 阿达力科技有限公司 | Vehicle power setting device |
| CN105564192A (en) * | 2014-10-29 | 2016-05-11 | 通用汽车环球科技运作有限责任公司 | System with slippable torque-transmission device and vehicle |
| CN107719070A (en) * | 2016-08-12 | 2018-02-23 | 现代自动车株式会社 | Apparatus for controlling a compressor and method |
| CN109927508A (en) * | 2017-12-16 | 2019-06-25 | 郑州宇通客车股份有限公司 | A kind of on-board air conditioner refrigeration adjusting method and device |
| CN113320353A (en) * | 2021-07-05 | 2021-08-31 | 东风汽车股份有限公司 | Walking and parking integrated air conditioner and control system thereof |
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| CN109927508A (en) * | 2017-12-16 | 2019-06-25 | 郑州宇通客车股份有限公司 | A kind of on-board air conditioner refrigeration adjusting method and device |
| CN113320353A (en) * | 2021-07-05 | 2021-08-31 | 东风汽车股份有限公司 | Walking and parking integrated air conditioner and control system thereof |
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| CN103738275B (en) | 2016-06-15 |
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