CN113212099A - PTC heating system of new energy automobile and control method - Google Patents
PTC heating system of new energy automobile and control method Download PDFInfo
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- CN113212099A CN113212099A CN202110485973.9A CN202110485973A CN113212099A CN 113212099 A CN113212099 A CN 113212099A CN 202110485973 A CN202110485973 A CN 202110485973A CN 113212099 A CN113212099 A CN 113212099A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 131
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000009423 ventilation Methods 0.000 claims abstract description 53
- 238000001514 detection method Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000002955 isolation Methods 0.000 claims description 14
- 238000004378 air conditioning Methods 0.000 description 4
- 238000009841 combustion method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
- B60H1/2218—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters controlling the operation of electric heaters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00807—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a specific way of measuring or calculating an air or coolant temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
- B60H1/00871—Air directing means, e.g. blades in an air outlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H2001/2228—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant controlling the operation of heaters
- B60H2001/224—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant controlling the operation of heaters automatic operation, e.g. control circuits or methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H2001/2246—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant obtaining information from a variable, e.g. by means of a sensor
- B60H2001/2256—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant obtaining information from a variable, e.g. by means of a sensor related to the operation of the heater itself, e.g. flame detection or overheating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H2001/2268—Constructional features
- B60H2001/2281—Air supply, exhaust systems
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The application discloses a PTC heating system and a control method of a new energy automobile, and the PTC heating system comprises a PTC heating module, a ventilation module, a control module and an air conditioner controller, wherein the PTC heating module is used for heating the automobile; the ventilation module is used for ventilating the PTC heating module; the control module can receive signals of the ventilation module and can control the opening and closing of the PTC heating module; when the ventilation module is started and the starting signal of the ventilation module is transmitted to the control module, the control module controls the PTC heating module to be started; when the ventilation module is closed and a closing signal of the ventilation module is transmitted to the control module, the control module controls the PTC heating module to be closed; the air conditioner controller is provided with an air door, and the air conditioner controller can transmit a position signal of the air door to the PTC heating module so that the PTC heating module outputs different powers. The method and the device have the advantages of high reliability, long service life, ingenious design, good user experience and the like.
Description
Technical Field
The application belongs to the technical field of electric automobiles, and particularly relates to a PTC heating system of a new energy automobile and a control method.
Background
With the rapid development of domestic economy and the increasingly improved living conditions of people, automobiles become indispensable vehicles in work and daily life, and the positioning and the requirements on the automobiles are higher and higher. Among other things, driving comfort is also a key consideration for consumers to select automotive products.
In recent years, the production and marketing of new energy automobiles are increased year by year, and most of the air conditioning systems of the new energy automobiles generally select an auxiliary heater (PTC) as a high-power auxiliary electric heating device, which is hereinafter referred to as a PTC heater for short, and the PTC heater has the advantages of small thermal resistance, high heat exchange efficiency and the like. However, when the PTC heater is used for heating, the PTC heater is continuously dried along with the rise of the surface temperature of the PTC heater, the heating power is attenuated and increased along with the use time, the puncture chance of the PTC heating sheet in the PTC heater is increased, the performances of viscose glue, electric wires, an insulating layer and the like are reduced, and the reliability of the PTC heater is reduced due to the fact that the aluminum shell is loosened. In addition, after the PTC heater is applied to the electric vehicle, if the PTC heater is controlled in temperature by the air conditioning controller, the air conditioning controller needs to be developed, the period for developing the air conditioning system is long, and the development cost is increased.
It will thus be seen that the prior art is susceptible to further improvement and enhancement.
Disclosure of Invention
The invention provides a PTC heating system of a new energy automobile and a control method thereof, and aims to solve at least one of the technical problems.
In order to achieve the purpose, the invention provides a PTC heating system of a new energy automobile, which comprises a PTC heating module, a ventilation module and a control module. The PTC heating module is used for heating the automobile; the ventilation module is used for ventilating the PTC heating module; the control module can receive signals of the ventilation module and can control the opening and closing of the PTC heating module; when the ventilation module is started and the starting signal of the ventilation module is transmitted to the control module, the control module controls the PTC heating module to be started; when the ventilation module is closed and a closing signal of the ventilation module is transmitted to the control module, the control module controls the PTC heating module to be closed; the air conditioner controller is provided with an air door, and the air conditioner controller can transmit a position signal of the air door to the PTC heating module so that the PTC heating module outputs different powers.
This application has realized the heating to the car through PTC heating system's setting, provides a heating system that the thermal resistance is little, heat exchange efficiency is high, automatic constant temperature and power saving for new energy automobile. This application is through setting up the ventilation module, and the ventilation module will open and the signal transmission who closes to control module, and then control opening and closing of PTC heating module, when can guaranteeing that the ventilation module is in operating condition, open PTC heating module in order to ventilate for PTC heating module, prevent that the continuation of the temperature of PTC module risees and causes dry combustion method to improve the reliability and the life of PTC heating module, improved user experience. In addition, the air door position of the air conditioner controller can be adjusted, the output power of the PTC heating module is controlled, secondary development of the air conditioner controller is not needed, and the control method is ingenious and easy to achieve.
In a preferred implementation mode, the temperature control device further comprises a temperature detection module, the temperature detection module comprises a temperature transmission line, the temperature transmission line is respectively connected with the control module and the PTC heating module, the temperature transmission line transmits the temperature value of the PTC heating module to the control module, a preset value related to the temperature is arranged in the control module, and when the temperature value transmitted to the control module by the temperature transmission line is larger than or equal to the preset value, the control module controls the PTC heating module to be closed. This application can play the effect of protection to PTC heating system through the setting of temperature detection module, avoids PTC heating module high temperature to cause the damage to the system.
In a preferred implementation, the temperature detection module further comprises a thermistor connected to the control module, and/or an over-temperature switch connected to the control module. The arrangement of the thermistor and the over-temperature switch plays a role in protecting the system.
In a preferred implementation, the control device further comprises a first power supply, and the first power supply is connected with the control module to supply power to the control module.
In a preferred implementation mode, the PTC heater further comprises an IGBT isolation driving assembly, and the IGBT isolation driving assembly is respectively connected with the control module and the PTC heating module. The IGBT isolation driving assembly can improve the stability of the system.
In a preferred implementation mode, the power supply further comprises a second power supply, and the second power supply is connected with the IGBT isolation driving assembly to supply power to the IGBT isolation driving assembly.
In a preferred implementation, the control module is an MCU microcontroller. The MCU microcontroller occupies less resources, and the system can be developed to the direction of integration and miniaturization.
In a preferred embodiment, the ventilation module is provided as a blower. Set up the ventilation module as the air-blower, can blow in order to prevent that PTC from heating the module dry combustion method to PTC heating module.
The invention also provides a control method of the PTC heating system of the new energy automobile, which comprises the following steps:
s1, opening a ventilation module;
s2, transmitting the opening signal of the ventilation module to the control module;
s3, the control module controls the PTC heating module to open;
s4, adjusting the position of the air door;
s5, the air conditioner controller transmits the air door position signal to the control module;
s6, the control module converts the position signal of the air door into a voltage signal and regulates and controls the power of the PTC heating module by controlling the voltage;
s7, closing the ventilation module;
s8, the ventilation module transmits a closing signal to the control module;
and S9, the control module controls the PTC heating module to close.
In a preferred implementation, step S3 includes the following steps:
s3-1, the control module controls the PTC heating module to be started, the control module controls the temperature detection module to be started, and the temperature detection module transmits the temperature of the PTC heating module to the control module through the temperature transmission line;
s3-2, the control module judges whether the temperature of the PTC heating module is higher than a preset value, and when the temperature value of the PTC heating module is larger than or equal to the preset value, the step S9 is continued; when the temperature value of the PTC heating module is less than the preset value, the process proceeds to step S4.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a circuit diagram of a PTC heating system of a new energy vehicle according to an embodiment of the present application;
fig. 2 is a schematic method diagram of a PTC heating system of a new energy vehicle according to an embodiment of the present application.
Description of reference numerals:
1. a PTC heating module;
2. a ventilation module;
3. a control module;
4. an air conditioner controller.
Detailed Description
In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.
It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, it is to be understood that the terms "inside", "outside", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate.
In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or an integral part; either directly or indirectly through intervening media, either internally or in any other relationship. However, the direct connection means that the two bodies are not connected to each other by the intermediate structure but connected to each other by the connecting structure to form a whole. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Descriptions in this specification as relating to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to any indicated technical feature or quantity. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
As shown in fig. 1-2, the invention provides a PTC heating system for a new energy automobile, which comprises a PTC heating module 1, a ventilation module 2 and a control module 3. The PTC heating module 1 is used for heating an automobile; the ventilation module 2 is used for ventilating the PTC heating module 1; the control module 3 can receive signals of the ventilation module 2, and the control module 3 can control the opening and closing of the PTC heating module 1; when the ventilation module 2 is started and the starting signal of the ventilation module 2 is transmitted to the control module 3, the control module 3 controls the PTC heating module 1 to be started; when the ventilation module 2 is closed and a closing signal of the ventilation module 2 is transmitted to the control module 3, the control module 3 controls the PTC heating module 1 to be closed; the air conditioner controller 4 is provided with a damper, and the air conditioner controller 4 can transmit a position signal of the damper to the PTC heating module 1 to cause the PTC heating module 1 to output different powers.
In the actual working process, when the PTC heating system is started, the ventilator module is started, and meanwhile, a signal for starting the ventilator is transmitted to the control module 3, after the control module 3 receives the starting signal of the ventilator, the PTC heating module 1 is started, at the moment, the PTC heating module 1 supplies heat to the automobile, and meanwhile, the ventilation module 2 ventilates to the PTC module; when the ventilation module 2 is closed, a closing signal is simultaneously transmitted to the control module 3, and the control module 3 controls the PTC heating module 1 to be closed. In the heating process of the PTC heating module 1, the air door of the air conditioner controller 4 is adjusted, and after the air conditioner controller 4 transmits the position signal of the air door to the PTC heating module 1, the PTC heating module 1 can output different powers, so that the heating temperature of the PTC heating module 1 is controlled.
From the above description, it can be seen that the present invention achieves the following technical effects:
this application has realized the heating to the car through PTC heating system's setting, provides a heating system that the thermal resistance is little, heat exchange efficiency is high, automatic constant temperature and power saving for new energy automobile. This application is through setting up ventilation module 2, and ventilation module 2 will open and the signal transmission who closes to control module 3, and then control opening and closing of PTC heating module 1, when can guaranteeing that ventilation module 2 is in operating condition, open PTC heating module 1 in order to ventilate for PTC heating module 1, prevent that lasting rising of the temperature of PTC module from causing dry combustion method, thereby improved reliability and the life of PTC heating module 1, improved user experience. In addition, the air door position of the air conditioner controller 4 can be adjusted, the output power of the PTC heating module 1 is further controlled, and the control method is ingenious and easy to achieve.
In an embodiment, the temperature control device further comprises a temperature detection module, the temperature detection module comprises a temperature transmission line, the temperature transmission line is respectively connected with the control module 3 and the PTC heating module 1, the temperature transmission line transmits the temperature value of the PTC heating module 1 to the control module 3, a preset value related to the temperature is arranged in the control module 3, and when the temperature value transmitted to the control module 3 by the temperature transmission line is greater than or equal to the preset value, the control module 3 controls the PTC heating module 1 to be closed. This application can play the effect of protection to PTC heating system through the setting of temperature detection module, avoids 1 high temperature of PTC heating module to cause the damage to the system.
In one embodiment, the temperature detection module further comprises a thermistor connected to the control module 3, and/or an over-temperature switch connected to the control module 3. The arrangement of the thermistor and the over-temperature switch plays a role in protecting the system. Of course, those skilled in the art will understand that the temperature detection module may include only a thermistor, or may also include only an over-temperature switch, and may also include both a thermistor and an over-temperature switch to achieve dual protection for the system.
In one embodiment, a first power source is further included, and the first power source is connected to the control module 3 to supply power to the control module 3. In particular implementation, the first power source is preferably a 12V to 5V DC-DC power source to supply power to the control module 3.
In one embodiment, the PTC heater further comprises an IGBT isolation driving assembly, and the IGBT isolation driving assembly is respectively connected with the control module 3 and the PTC heating module 1. The IGBT isolation driving assembly can improve the stability of the system.
In one embodiment, the IGBT power supply further comprises a second power supply, and the second power supply is connected with the IGBT isolation driving assembly to supply power to the IGBT isolation driving assembly. In particular, the second power source is preferably a 12V to 15V DC-DC power source.
In one embodiment, the control module 3 is an MCU microcontroller. The MCU microcontroller occupies less resources, and the system can be developed to the direction of integration and miniaturization.
In one embodiment, the ventilation module 2 is provided as a blower. Of course, those skilled in the art will appreciate that the ventilation module 2 may be provided as a centrifugal blower as long as it can ventilate the PTC heating module 1 to prevent the PTC heating module 1 from being dried.
The invention also provides a control method of the PTC heating system of the new energy automobile, which comprises the following steps:
s1, opening the ventilation module 2;
s2, transmitting the opening signal of the ventilation module 2 to the control module 3;
s3, the control module 3 controls the PTC heating module 1 to be started;
s4, adjusting the position of the air door;
s5, the air conditioner controller 4 transmits the air door position signal to the control module 3;
s6, the control module 3 converts the position signal of the air door into a voltage signal and controls the power of the PTC heating module 1 by controlling the voltage;
s7, closing the ventilation module 2;
s8, the ventilation module 2 transmits a closing signal to the control module 3;
and S9, the control module 3 controls the PTC heating module 1 to close.
In one embodiment, step S3 includes the following steps:
s3-1, the control module 3 controls the PTC heating module 1 to be started, the control module 3 controls the temperature detection module to be started, and the temperature detection module transmits the temperature of the PTC heating module 1 to the control module 3 through a temperature transmission line;
s3-2, the control module 3 judges whether the temperature of the PTC heating module 1 is higher than a preset value, and when the temperature value of the PTC heating module 1 is larger than or equal to the preset value, the step S9 is continued; when the temperature value of the PTC heating module 1 is less than the preset value, the step S4 is continued. The method can be realized by adopting or referring to the prior art in places which are not described in the invention.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a new energy automobile PTC heating system which characterized in that includes:
a PTC heating module for heating a vehicle;
a ventilation module for ventilating the PTC heating module;
a control module capable of receiving a signal from the ventilation module and controlling the opening and closing of the PTC heating module; when the ventilation module is started and the starting signal of the ventilation module is transmitted to the control module, the control module controls the PTC heating module to be started; when the ventilation module is closed and a closing signal of the ventilation module is transmitted to the control module, the control module controls the PTC heating module to be closed;
an air conditioner controller provided with a damper, the air conditioner controller being capable of transmitting a position signal of the damper to the PTC heating module to cause the PTC heating module to output different powers.
2. The PTC heating system for the new energy automobile according to claim 1, further comprising a temperature detection module, wherein the temperature detection module comprises a temperature transmission line, the temperature transmission line is connected to the control module and the PTC heating module respectively, the temperature transmission line transmits the temperature value of the PTC heating module to the control module, a preset value related to the temperature is set in the control module, and when the temperature value transmitted to the control module by the temperature transmission line is greater than or equal to the preset value, the control module controls the PTC heating module to be turned off.
3. The PTC heating system for the new energy automobile according to claim 2, wherein the temperature detection module further comprises a thermistor connected with the control module and/or an over-temperature switch connected with the control module.
4. The PTC heating system for the new energy vehicle according to claim 2, further comprising a first power source connected to the control module for supplying power to the control module.
5. The PTC heating system for the new energy automobile according to claim 2, further comprising IGBT isolation driving components, wherein the IGBT isolation driving components are respectively connected with the control module and the PTC heating module.
6. The PTC heating system for the new energy automobile according to claim 5, further comprising a second power source connected with the IGBT isolation driving assembly to supply power to the IGBT isolation driving assembly.
7. The PTC heating system for the new energy automobile according to claim 2, wherein the control module is an MCU microcontroller.
8. The PTC heating system for the new energy automobile according to claim 2, wherein the ventilation module is configured as a blower.
9. A control method of a PTC heating system of a new energy automobile according to any one of claims 2-8, characterized in that the method comprises the following steps:
s1, opening the ventilation module;
s2, transmitting the opening signal of the ventilation module to the control module;
s3, the control module controls the PTC heating module to be started;
s4, adjusting the position of the air door;
s5, the air conditioner controller transmits the position signal of the air door to the control module;
s6, the control module converts the position signal of the air door into a voltage signal and controls the power of the PTC heating module by controlling the voltage;
s7, closing the ventilation module;
s8, the ventilation module transmits a closing signal to the control module;
and S9, the control module controls the PTC heating module to close.
10. The control method of the PTC heating system for the new energy vehicle according to claim 9, wherein step S3 comprises the steps of:
s3-1, the control module controls the PTC heating module to be started, the control module controls the temperature detection module to be started, and the temperature detection module transmits the temperature of the PTC heating module to the control module through the temperature transmission line;
s3-2, the control module judges whether the temperature of the PTC heating module is higher than a preset value, and when the temperature value of the PTC heating module is larger than or equal to the preset value, the step S9 is continued; and when the temperature value of the PTC heating module is smaller than the preset value, continuing to step S4.
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| CN202110485973.9A CN113212099A (en) | 2021-04-30 | 2021-04-30 | PTC heating system of new energy automobile and control method |
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| CN202110485973.9A CN113212099A (en) | 2021-04-30 | 2021-04-30 | PTC heating system of new energy automobile and control method |
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| CN105346354A (en) * | 2015-10-27 | 2016-02-24 | 北京新能源汽车股份有限公司 | Air conditioning system of pure electric vehicle and control method |
| CN205097876U (en) * | 2015-11-03 | 2016-03-23 | 北汽银翔汽车有限公司 | New energy automobile's PTC heater struvture |
| CN107234940A (en) * | 2016-03-29 | 2017-10-10 | 宝沃汽车（中国）有限公司 | The air-conditioning system and vehicle of vehicle |
| CN105966199A (en) * | 2016-05-20 | 2016-09-28 | 上海英恒电子有限公司 | New energy automobile PTC heating control system and method |
| CN110154684A (en) * | 2019-05-28 | 2019-08-23 | 安徽安凯汽车股份有限公司 | A kind of pure electric coach electric heating wind control system |
| CN211808918U (en) * | 2019-11-28 | 2020-10-30 | 东风商用车有限公司 | Multiple excess temperature protection system of electric automobile PTC |
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