CN201621816U - Intelligent temperature control system of electric automobile - Google Patents

Intelligent temperature control system of electric automobile Download PDF

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Publication number
CN201621816U
CN201621816U CN2010201222961U CN201020122296U CN201621816U CN 201621816 U CN201621816 U CN 201621816U CN 2010201222961 U CN2010201222961 U CN 2010201222961U CN 201020122296 U CN201020122296 U CN 201020122296U CN 201621816 U CN201621816 U CN 201621816U
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China
Prior art keywords
temperature
controller
chip microcomputer
air
temperature sensor
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Expired - Lifetime
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CN2010201222961U
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Chinese (zh)
Inventor
钱永贵
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Nanjing Aotecar New Energy Technology Co., Ltd.
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NANJING AOTECAR REFRIGERATING CO Ltd
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Abstract

The utility model relates to an intelligent temperature control system of an electric automobile, which is characterized by mainly comprising a singlechip (6), a condenser (1), a controller (2) for an electric compressor, the electric compressor (3), an evaporator (4) and an electric heater (5), wherein the electric compressor (3) is connected with the controller (2) for the electric compressor in an electrical way; the controller (2) for the electric compressor is connected with an output end of the singlechip (6); the condenser (1) is provided with a temperature sensor B4; the evaporator (4) is provided with a temperature sensor B2; the electric heater (5) is provided with a temperature sensor B5; the electric automobile is internally provided with a temperature sensor B3; an air return hole of an air conditioner is provided with a temperature sensor B1; the temperature sensors B1-B5 are respectively connected with corresponding input points of the singlechip (6); and the electric heater (5) is installed in an air duct of a heater fan. The intelligent temperature control system of the electric automobile has the advantages of energy conservation and convenient temperature adjustment.

Description

The electric automobile intelligent temperature control system
Technical field
The utility model relates to a kind of electric automobile, especially the temperature control system of electric automobile, specifically a kind of to start electric heater system automatically according to vehicle interior temperature warm or start the electric automobile intelligent temperature control system that refrigeration compressor freezes.
Background technology
As everyone knows, electric automobile is a kind of low noise, zero-emission, zero new automobile that pollutes, because the capacity of battery pack is subjected to the restriction of bulking value and cost, very big energy reserve can not be arranged as general-utility car, thereby must strictly limit the power consumption of consumer on the car, to guarantee its continual mileage and power performance.And the air-conditioning system with heating, refrigerating function of enough capacity is to improve the indispensable facility of vehicle comfort level, heating in the general-utility car is the heat energy that utilizes the engine cyclic water tank, blow in the car with warm-air drier, and for a change regulate the warm braw size in the air channel by the people, control is to the heating in the car, and part has been utilized the used heat of engine at last.Cooling then directly drives the refrigeration compressor running with engine by belt and electromagnetic clutch, by blower fan the cold air after the evaporimeter heat absorption is blowed in the car during unlatching work, though the flow that has expansion valve suitably to control cold-producing medium according to evaporator outlet temperature is regulated refrigerating capacity, but compressor is constant with the rotating speed of engine running, and power consumption does not subtract; And rotating speed is low during engine idle, makes the refrigerating capacity deficiency, engine speed height during high vehicle speeds, and refrigerating capacity is excessive again, can only lean on the air channel to regulate, and not only comfort level is poor, and energy dissipation is very big.
The engine of electric automobile cancellation inefficiency mainly in travelling drives used heat that motor and controller produce seldom, can't generally be equipped with electric heater and cooperate warm-air drier for hot blast is provided in the car as the air-conditioning heating; Refrigeration adopts the three-phase permanent magnet motor that is driven by controller control to drive compressor, general heating and refrigeration be artificially control all, vehicle interior temperature height no matter after the startup, heating or the equal capacity operation of refrigeration compressor, can cause bigger irrational electric energy to expend, can bear hardly electric automobile.Even adopt temperature switch to survey the way of warm braw or evaporator temperature, cut off power supply when too high or too low for temperature, also can cause the fluctuation of vehicle interior temperature bigger, occupant's comfort level reduces, electric heater or the frequent start-stop of refrigeration compressor simultaneously, the then capacity operation of switching on, its energy efficiency is also lower.
Summary of the invention
The purpose of this utility model is the characteristics that more need to consider saves energy at electric motor car, designs a kind of electric automobile intelligent temperature control system.
The technical solution of the utility model is:
A kind of electric automobile intelligent temperature control system, it is characterized in that it mainly is made up of with controller 2, motor compressor 3, evaporimeter 4 and electric heater 5 single-chip microcomputer 6, condenser 1, motor compressor, condenser 1 and evaporimeter 4 all are connected by air-conditioning duct with motor compressor 3, motor compressor 3 and motor compressor controller 2 are electrically connected, and the control end of motor compressor controller 2 links to each other with the output of single-chip microcomputer 6; On described condenser 1, temperature sensor B4 is installed, temperature sensor B2 is installed on the evaporimeter 4, temperature sensor B5 is installed on the electric heater 5, temperature sensor B3 is installed in car, at the air-conditioning return air inlet temperature sensor B1 is installed, the input point that described sensor B1~B5 is all corresponding with single-chip microcomputer 6 links to each other; Described electric heater 5 is installed in the air channel of warm air fan, the warm braw motor that drives warm air fan is connected with the cooling fan relay of its break-make of control and the speed adjusting resistance of controlled wind speed, and the output that described cooling fan relay and speed adjusting resistance are all corresponding with single-chip microcomputer 6 links to each other; Described sensor B1~B5 is with the temperature parameter input single-chip microcomputer 6 of each collection point, after comparing with the air-conditioner temperature control programs of setting in the single-chip microcomputer 6, output signal drives and controls electric heater 5, refrigerant compression machine controller 2, fan speed adjusting resistance and corresponding relays respectively, make the heating or the refrigeration according to the each point temperature data by the corresponding preset program work.
Described motor compressor controller 2 is for regulating the PWM controller of its output three-phase voltage frequency and amplitude.
The electric heater that the utility model is bigger to thermal inertia, can adopt gearshift control or be interrupted duty, when vehicle interior temperature lower, automatically or artificially after connecting electric heater work, sensor detects return air inlet and vehicle interior temperature when low, the speed adjusting resistance that switches the different gears of blower fan by single-chip microcomputer output reduces rotation speed of the fan, makes the people uncomfortable in order to avoid leaving air temp is low, improves rotation speed of fan along with vehicle interior temperature edges up by shelves; Then reduce when return air inlet is raised to uniform temperature or cut off heating, dropping to increases behind certain low temperature again or connects electric heater, and the electric heater surface temperature is too high then to strengthen rotation speed of the fan, or protectiveness cuts off the electric heater power supply, sends the acousto-optic warning signal.
To cooling condition, because electric automobile generally uses the electric air-conditioning compressor, by single-chip microcomputer output control signal, change the PWM pwm voltage drive compression machine of compressor controller output three-phase frequency and voltage variable, thereby the way that can pass through change controller output voltage pulsewidth is multistage or the rotating speed of step-less adjustment compressor, changes its refrigerating capacity.Depart between the temperature setting district when too high or too low at return air inlet and vehicle interior temperature, the duty that increases or reduce PWM voltage by compressor controller recently increases or reduces compressor rotary speed, regulates the also rotating speed of corresponding change blower fan of refrigerating capacity; Evaporator temperature is crossed and is then reduced compressor rotary speed when hanging down even shut down defrost; Can cut off the radiator fan power supply when condenser surface temperature is low, utilize the natural wind heat radiation, with saves energy.
Single-chip microcomputer of the present utility model can also show parameter, the alarm signal of vehicle interior temperature, humidity and needs except realizing the control function on control panel.
The beneficial effects of the utility model:
1, the utility model is carried out automatic temperature-adjusting control according to the temperature of Che Nei and collection point, and because of the occupant enables the back negligence of management, untimelyly closes down the energy waste that causes, this point is particularly important to the electric automobile of working power battery when having avoided artificial control.
2, air-conditioner temperature has been realized according to collection point variation of temperature in the car, heated or the control of refrigeration, the comfort level of electric motor car is greatly improved by preset program.
3, the characteristics that the electric air-conditioning refrigeration compressor drives with PWM voltage by controller have been made full use of, mode with Based Intelligent Control is carried out the speed governing operation that the PWM speed governing realizes compressor by collecting temperature and control program by controller, regulating refrigeration work consumption and refrigerating capacity has not only reached the saving electric energy but also has avoided compressor to run up for a long time, the service life of each equipment in the prolongation system.
4, utilize Based Intelligent Control, heating or refrigeration the time are pressed the vehicle interior temperature situation, enable warm-air drier with different gears, according to condenser temperature start and stop radiator fan, reach the purpose that both saves energy prolongs warm-air drier and fan service life simultaneously during refrigeration
5, the utility model by locate at electric heater, evaporimeter, condenser surface and the air-conditioning return air inlet etc. of air conditioning system for electric car and car in mounting temperature sensor, gather the temperature parameter input intelligent controller single-chip microcomputer at above-mentioned several places, after comparing with the air-conditioner temperature control program of setting in the single-chip microcomputer, output signal drives and controls electric heater, refrigeration compressor, fan speed adjusting resistance and corresponding switch, makes heating and refrigeration according to the corresponding preset of temperature data variation everywhere program work.Reach efficient energy-saving and comfortable air-conditioning effect.
Description of drawings
Fig. 1 is an electrical schematic diagram of the present utility model.
Fig. 2 be of the present utility modelly heat, the installation of refrigeration part and sensor concerns schematic diagram.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in Figure 1, 2.
A kind of electric automobile intelligent temperature control system, it mainly is made up of with controller 2, motor compressor 3, evaporimeter 4 and electric heater 5 single-chip microcomputer 6 (can adopt conventional single-chip microcomputer the program of enrolling form) voluntarily, condenser 1, motor compressor, condenser 1 and evaporimeter 4 all are connected by air-conditioning duct with motor compressor 3, motor compressor 3 and motor compressor controller 2 are electrically connected, and motor compressor controller 2 links to each other with the output of single-chip microcomputer 6; On described condenser 1, temperature sensor B4 is installed, temperature sensor B2 is installed on the evaporimeter 4, temperature sensor B5 is installed on the electric heater 5, temperature sensor B3 is installed in car, at the air-conditioning return air inlet temperature sensor B 1 is installed, the input point that described sensor B1~B5 is all corresponding with single-chip microcomputer 6 links to each other; Described electric heater 5 is installed in the air channel of warm air fan, the warm braw motor that drives warm air fan is connected with the cooling fan relay of its break-make of control and the speed adjusting resistance of controlled wind speed, and the output that described cooling fan relay and speed adjusting resistance are all corresponding with single-chip microcomputer 6 links to each other; The installation site of above-mentioned each parts and annexation are as shown in Figure 1, being electrically connected as shown in Figure 2 between the each several part, among Fig. 2: B1~B5 is a temperature sensor, gauge tap signal together with heating and refrigeration is received the input of single-chip microcomputer 6, and PWM control end, cooling fan relay, electrical heating relay, warm-air drier relay and the speed adjusting resistance thereof of compressor controller received in the output control of single-chip microcomputer 6 respectively.Sensor B1~B5 is with the temperature parameter input single-chip microcomputer 6 of each collection point, after comparing with the air-conditioner temperature control programs of setting in the single-chip microcomputer 6, output signal drives and controls electric heater 5, refrigerant compression machine controller 2, fan speed adjusting resistance and corresponding relays respectively, make the heating or the refrigeration according to the each point temperature data by the corresponding preset program work.
Electric automobile of the present utility model can use electric heater when heating, adopt gearshift control or be interrupted duty, when Che Nei and return air inlet temperature lower, automatically or artificially after connecting electric heater work, the speed adjusting resistance that switches the different gears of blower fan by air-conditioner control box output reduces rotation speed of the fan, make the people uncomfortable in order to avoid leaving air temp is low, improve rotation speed of fan by shelves along with vehicle interior temperature edges up; Reduce when return air inlet rises to uniform temperature or cut off heating, dropping to increases behind certain low temperature again or connects electric heater, and the electric heater surface temperature is too high then to strengthen rotation speed of the fan, or protectiveness cuts off the electric heater power supply, sends the acousto-optic warning signal.
During electric automobile refrigeration work of the present utility model, temperature parameter that single-chip microcomputer collects according to evaporimeter, return air inlet, interior space and condenser surface and predetermined control program relatively after, the output control signal, by changing the dutycycle of refrigerant compression machine controller output PWM voltage, rotating speed multistage or the step-less adjustment compressor is regulated and is changed its refrigerating capacity, and the rotating speed of corresponding change blower fan.Evaporator temperature is crossed and is then reduced compressor rotary speed when hanging down even shut down defrost; Can cut off the radiator fan power supply when condenser surface temperature is low, utilize the natural wind heat radiation,, increase the service life with saves energy.
The utility model does not relate to the part prior art that maybe can adopt all same as the prior art to be realized.

Claims (2)

1. electric automobile intelligent temperature control system, it is characterized in that it mainly is made up of with controller (2), motor compressor (3), evaporimeter (4) and electric heater (5) single-chip microcomputer (6), condenser (1), motor compressor, condenser (1) all is connected by air-conditioning duct with motor compressor (3) with evaporimeter (4), motor compressor (3) and motor compressor controller (2) are electrically connected, and the control end of motor compressor controller (2) links to each other with the output of single-chip microcomputer (6); On described condenser (1), temperature sensor B4 is installed, evaporimeter is equipped with temperature sensor B2 on (4), electric heater is equipped with temperature sensor B5 on (5), temperature sensor B3 is installed in car, at the air-conditioning return air inlet temperature sensor B1 is installed, the input point that described sensor B1~B5 is all corresponding with single-chip microcomputer (6) links to each other; Described electric heater (5) is installed in the air channel of warm air fan, the warm braw motor that drives warm air fan is connected with the cooling fan relay of its break-make of control and the speed adjusting resistance of controlled wind speed, and the output that described cooling fan relay and speed adjusting resistance are all corresponding with single-chip microcomputer (6) links to each other; Described sensor B1~B5 is with the temperature parameter input single-chip microcomputer (6) of each collection point, after comparing with the air-conditioner temperature control program of setting in the single-chip microcomputer (6), output signal drives and controls electric heater (5), refrigerant compression machine controller (2), fan speed adjusting resistance and corresponding relays respectively, make the heating or the refrigeration according to the each point temperature data by the corresponding preset program work.
2. electric automobile intelligent temperature control system according to claim 1, feature is that described motor compressor controller (2) is for regulating the PWM controller of its output three-phase voltage frequency and amplitude altogether.
CN2010201222961U 2010-03-03 2010-03-03 Intelligent temperature control system of electric automobile Expired - Lifetime CN201621816U (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102278807A (en) * 2011-06-07 2011-12-14 山东宝雅新能源汽车股份有限公司 Air-conditioning control system of electromobile
CN102320278A (en) * 2011-08-24 2012-01-18 常州市西屋自动化有限公司 Self-adaptive control method of air-conditioning system of electric vehicle
CN102353111A (en) * 2011-09-20 2012-02-15 芜湖博耐尔汽车电气系统有限公司 Electric vehicle air conditioner and temperature adjusting method thereof
CN102506489A (en) * 2011-10-22 2012-06-20 成都市翻鑫家科技有限公司 Automobile air-conditioning refrigeration control system
CN102607133A (en) * 2012-03-23 2012-07-25 成都玺汇科技有限公司 Electronic thermoregulator of automobile air conditioner
CN102878646A (en) * 2011-07-14 2013-01-16 北汽福田汽车股份有限公司 Air-conditioner control system and method for electric vehicle
CN102922971A (en) * 2012-11-19 2013-02-13 无锡九条龙汽车设备有限公司 Automatic control method of automobile air-conditioning refrigerating system
CN102954562A (en) * 2012-11-19 2013-03-06 无锡九条龙汽车设备有限公司 Automatic automobile air conditioning refrigeration control system
CN103086097A (en) * 2011-11-02 2013-05-08 马士基集装箱工业公司 Method for operating a refrigeration system for a cargo container
CN104648077A (en) * 2014-02-28 2015-05-27 柳州易舟汽车空调有限公司 Controller of vehicle air conditioner and controlling method thereof
CN109343607A (en) * 2018-11-16 2019-02-15 合肥龙多电子科技有限公司 A kind of interior temperature control system
CN111605573A (en) * 2020-05-15 2020-09-01 中车青岛四方机车车辆股份有限公司 Electric cabinet, control method and device of air conditioner, air conditioning unit and train
CN111963462A (en) * 2020-08-17 2020-11-20 衢州海西电子科技有限公司 Refrigeration ventilator and self-adaptive control method
CN112406463A (en) * 2020-11-06 2021-02-26 广州小鹏汽车科技有限公司 Air conditioner and heater integrated system, integrated system control method and electric automobile
CN112406473A (en) * 2020-12-08 2021-02-26 安徽江淮汽车集团股份有限公司 Air heater temperature point calibration method, device, equipment and storage medium
CN114454778A (en) * 2022-03-02 2022-05-10 河南海威新能源科技有限公司 Electric engineering vehicle and thermal management system thereof

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102278807B (en) * 2011-06-07 2013-10-30 山东宝雅新能源汽车股份有限公司 Air-conditioning control system of electromobile
CN102278807A (en) * 2011-06-07 2011-12-14 山东宝雅新能源汽车股份有限公司 Air-conditioning control system of electromobile
CN102878646B (en) * 2011-07-14 2014-12-03 北汽福田汽车股份有限公司 Air-conditioner control system and method for electric vehicle
CN102878646A (en) * 2011-07-14 2013-01-16 北汽福田汽车股份有限公司 Air-conditioner control system and method for electric vehicle
CN102320278A (en) * 2011-08-24 2012-01-18 常州市西屋自动化有限公司 Self-adaptive control method of air-conditioning system of electric vehicle
CN102353111A (en) * 2011-09-20 2012-02-15 芜湖博耐尔汽车电气系统有限公司 Electric vehicle air conditioner and temperature adjusting method thereof
CN102506489A (en) * 2011-10-22 2012-06-20 成都市翻鑫家科技有限公司 Automobile air-conditioning refrigeration control system
CN103086097B (en) * 2011-11-02 2017-06-09 马士基集装箱工业公司 The method for operating the refrigeration system for cargo container
CN103086097A (en) * 2011-11-02 2013-05-08 马士基集装箱工业公司 Method for operating a refrigeration system for a cargo container
US10145607B2 (en) 2011-11-02 2018-12-04 Maersk Container Industry As Method for operating a refrigeration system for a cargo container
CN102607133A (en) * 2012-03-23 2012-07-25 成都玺汇科技有限公司 Electronic thermoregulator of automobile air conditioner
CN102954562A (en) * 2012-11-19 2013-03-06 无锡九条龙汽车设备有限公司 Automatic automobile air conditioning refrigeration control system
CN102922971A (en) * 2012-11-19 2013-02-13 无锡九条龙汽车设备有限公司 Automatic control method of automobile air-conditioning refrigerating system
CN104648077A (en) * 2014-02-28 2015-05-27 柳州易舟汽车空调有限公司 Controller of vehicle air conditioner and controlling method thereof
CN104648077B (en) * 2014-02-28 2017-03-22 柳州易舟汽车空调有限公司 Controlling method of controller of vehicle air conditioner
CN109343607A (en) * 2018-11-16 2019-02-15 合肥龙多电子科技有限公司 A kind of interior temperature control system
CN111605573A (en) * 2020-05-15 2020-09-01 中车青岛四方机车车辆股份有限公司 Electric cabinet, control method and device of air conditioner, air conditioning unit and train
CN111605573B (en) * 2020-05-15 2021-05-07 中车青岛四方机车车辆股份有限公司 Electric cabinet, control method and device of air conditioner, air conditioning unit and train
CN111963462A (en) * 2020-08-17 2020-11-20 衢州海西电子科技有限公司 Refrigeration ventilator and self-adaptive control method
CN112406463A (en) * 2020-11-06 2021-02-26 广州小鹏汽车科技有限公司 Air conditioner and heater integrated system, integrated system control method and electric automobile
CN112406473A (en) * 2020-12-08 2021-02-26 安徽江淮汽车集团股份有限公司 Air heater temperature point calibration method, device, equipment and storage medium
CN112406473B (en) * 2020-12-08 2022-06-24 安徽江淮汽车集团股份有限公司 Air heater temperature point calibration method, device, equipment and storage medium
CN114454778A (en) * 2022-03-02 2022-05-10 河南海威新能源科技有限公司 Electric engineering vehicle and thermal management system thereof

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C56 Change in the name or address of the patentee

Owner name: NANJING AOTECAR NEW ENERGY TECHNOLOGY CO., LTD.

Free format text: FORMER NAME: NANJING AOTECAR REFRIGERATING CO., LTD.

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Address after: 210022 Daming Road 103, Jiangsu, Nanjing

Patentee after: Nanjing Aotecar New Energy Technology Co., Ltd.

Address before: 210022 Daming Road 103, Jiangsu, Nanjing

Patentee before: Nanjing Aotecar Refrigerating Co., Ltd.

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Granted publication date: 20101103

CX01 Expiry of patent term