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WO2018176949A1 - Procédé et appareil de commande de système d'air chaud, système d'air chaud et véhicule automobile - Google Patents

Procédé et appareil de commande de système d'air chaud, système d'air chaud et véhicule automobile Download PDF

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Publication number
WO2018176949A1
WO2018176949A1 PCT/CN2017/119265 CN2017119265W WO2018176949A1 WO 2018176949 A1 WO2018176949 A1 WO 2018176949A1 CN 2017119265 W CN2017119265 W CN 2017119265W WO 2018176949 A1 WO2018176949 A1 WO 2018176949A1
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WIPO (PCT)
Prior art keywords
power consumption
value
target power
preset time
time period
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Ceased
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PCT/CN2017/119265
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English (en)
Chinese (zh)
Inventor
娄建勋
肖胜然
蒋荣勋
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Beijing Electric Vehicle Co Ltd
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Beijing Electric Vehicle Co Ltd
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Publication date
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Publication of WO2018176949A1 publication Critical patent/WO2018176949A1/fr
Anticipated expiration legal-status Critical
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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
    • 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
    • B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
    • 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
    • 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

Definitions

  • the present disclosure relates to the field of automobiles, and in particular to a heating system control method, a control device, a heating system, and an automobile.
  • the electric vehicle will use the "power battery driven PTC (positive temperature coefficient thermistor) hot core” heating method, compared with the traditional car using the water tank to supply air conditioning heating: PTC Heating is faster and faster than traditional methods. After the PTC hot core is connected to the high voltage, it will heat up rapidly, which will generate heat, and the heat emitted by the blower will be blown out to realize the heat output.
  • PTC positive temperature coefficient thermistor
  • the output power will vary with the ambient temperature, so that the output heat cannot be stabilized.
  • the heat generated by the PTC heat core cannot be realized during the entire period of the air conditioner opening. Precision control.
  • the technical problem to be solved by the embodiments of the present disclosure is to provide a heating air system control method, a control device, a heating air system and an automobile, so as to achieve precise control of the heat dissipated by the PTC hot core during the entire period in which the air conditioner is turned on.
  • a heating air system control method provided by an embodiment of the present disclosure includes:
  • the insulated gate bipolar transistor in an on state is controlled according to the target power consumption and the accumulated power consumption.
  • the step of controlling the insulated gate bipolar transistor in an open state according to the target power consumption and the accumulated power consumption includes:
  • the obtained value of the accumulated power consumption is greater than or equal to the value of the target power consumption, determining the first time of the accumulated power consumption that is equal to the value of the target power consumption, and controlling the insulated gate double
  • the pole type transistor is switched from the on state to the off state in the second preset time period, and the second preset time period is a time period after the first time in the first preset time period;
  • the insulated gate bipolar transistor is controlled to remain in an on state.
  • the step of acquiring the cumulative power consumption of the positive temperature coefficient thermistor when the preset time interval arrives includes:
  • the heating system control method further includes:
  • the stored value of the first target power consumption is replaced with the value of the target power consumption
  • the insulated gate bipolar transistor is controlled to switch from the on state to the off state in the second preset time period.
  • the heating system control method further includes:
  • the insulated gate bipolar transistor is controlled to be turned on.
  • an embodiment of the present disclosure further provides a heating system control apparatus, including:
  • a first acquiring module configured to acquire a power request sent by the air conditioner for a first preset time period, and determine a target power consumption of the positive temperature coefficient thermistor according to the power request;
  • a second acquiring module configured to acquire an accumulated power consumption when the positive temperature coefficient thermistor arrives at a preset time interval, where the preset time interval is smaller than the first preset time period;
  • the first control module is configured to control the insulated gate bipolar transistor in an open state according to the target power consumption and the accumulated power consumption.
  • the first control module includes:
  • a first control unit configured to determine, when the obtained value of the accumulated power consumption is greater than or equal to a value of the target power consumption, the first obtained the accumulated power consumption equal to the value of the target power consumption And controlling the IGBT to switch from the on state to the off state in the second preset time period, where the second preset time period is at the first time in the first preset time period After the time period;
  • a second control unit configured to control the insulated gate bipolar transistor to remain in an on state when the obtained value of the accumulated power consumption is less than a value of the target power consumption.
  • the heating system control device further includes:
  • a determining module configured to determine whether a value of the target power consumption is the same as a value of the first target power consumption of the stored previous time period before the first preset time period;
  • the cumulative power consumption when the positive temperature coefficient thermistor is acquired at a preset time interval is performed by the second acquiring module. A step of.
  • the heating system control device further includes:
  • a determining module configured to determine whether the value of the target power consumption is zero when the value of the target power consumption is not the same as the value of the first target power consumption
  • a replacement module configured to replace, when the value of the target power consumption is not zero, a value of the stored first target power consumption as a value of the target power consumption
  • the step of controlling the IGBT is switched from the on state to the off state in the second preset time period by the second control unit.
  • the heating system control device further includes:
  • a second control module configured to control the IGBT to be turned on when the value of the target power consumption is not zero.
  • an embodiment of the present disclosure further provides a warm air system, including:
  • a positive temperature coefficient thermistor controller connected to the air conditioner through the controller area network
  • a positive temperature coefficient thermistor connected to the positive temperature coefficient thermistor controller
  • the positive temperature coefficient thermistor is connected to the high voltage circuit through an insulated gate bipolar transistor;
  • the positive temperature coefficient thermistor controller determines a target power consumption of the positive temperature coefficient thermistor according to the obtained power request of the air conditioner for the first preset time period, and obtains the positive temperature coefficient thermistor in the pre
  • the accumulated power consumption when the time interval arrives is set; and the insulated gate bipolar transistor in the on state is controlled according to the target power consumption and the accumulated power consumption.
  • an embodiment of the present disclosure further provides an automobile including the above-described warm air system.
  • the heating system control method, the control device, the heating system and the automobile provided by the embodiments of the present disclosure have at least the following beneficial effects:
  • FIG. 1 is a schematic structural view of a heating air system control method according to a first embodiment of the present disclosure
  • FIG. 2 is a schematic structural diagram of a method for controlling a heating air system according to a second embodiment of the present disclosure
  • FIG. 3 is a schematic structural view of a heating air system control device according to a third embodiment of the present disclosure.
  • FIG. 4 is a schematic structural view of a heater system according to an embodiment of the present disclosure.
  • a first embodiment of the present disclosure provides a heating air system control method, including:
  • Step 101 Acquire a power request sent by the air conditioner for a first preset time period, and determine a target power consumption of the positive temperature coefficient thermistor according to the power request.
  • Step 102 Acquire cumulative power consumption when the positive temperature coefficient thermistor arrives at a preset time interval, where the preset time interval is smaller than the first preset time period.
  • Step 103 Control an insulated gate bipolar transistor in an on state according to the target power consumption and the accumulated power consumption.
  • the target power consumption is the total power consumption required by the air conditioner in the first preset time period, and the target power consumption is obtained by multiplying the value of the power in the power request and the time length of the first preset time period.
  • the first preset time period mentioned above is 5s.
  • the cycle is divided into a plurality of first preset time periods during the entire period in which the driver turns on the air conditioner, and then the first preset is determined by separately measuring the power request of the air conditioner in each first preset time period.
  • Target power consumption during the time period For example, the driver turns on the air conditioner for 20 minutes during driving, and within 20 minutes, it needs to obtain the power request of the air conditioner for 240 consecutive preset time periods. In 20 minutes, the driver may not
  • the air conditioner is adjusted, that is, the power request of the air conditioner is the same for the entire 240 first preset time periods, and the target power is the same.
  • the preset time interval in the above step 102 is 100 ms.
  • the acquisition of the accumulated power consumption is obtained by detecting the power consumption of the positive temperature coefficient thermistor every 100 ms in the first preset time period of 5 s.
  • the foregoing step 103 includes:
  • Step 1031 when the obtained value of the accumulated power consumption is greater than or equal to the value of the target power consumption, determining the first time of the accumulated power consumption that is equal to the value of the target power consumption, and controlling The insulated gate bipolar transistor is switched from the on state to the off state in the second preset time period, and the second preset time period is a time period after the first time in the first preset time period .
  • Step 1032 When the obtained value of the accumulated power consumption is less than the value of the target power consumption, controlling the insulated gate bipolar transistor to remain in an on state.
  • the insulated gate bipolar transistor is turned off and then turned off.
  • the connection between the positive temperature coefficient thermistor and the high voltage circuit causes the positive temperature coefficient thermistor to stop dissipating heat, because the cumulative power consumption of the positive temperature coefficient thermistor in each of the first preset time periods is separately Accumulation, therefore, the heat output from the positive temperature coefficient thermistor can be controlled even when the ambient temperature is different.
  • the insulated gate bipolar transistor When the accumulated power consumption outputted in the first preset time period does not reach the target power consumption, the insulated gate bipolar transistor is controlled to be turned on during the first predetermined period of time, so that the positive temperature coefficient thermistor is The maximum heat dissipation is output to minimize the difference from the target power consumption.
  • the accumulated power consumption in the first preset time period reaches the target power consumption, it is determined that the accumulated power consumption is the same as the target power consumption. The first moment, and the insulated gate bipolar transistor is turned off for the remaining time after the first time in the first preset time period, so that the positive temperature coefficient thermistor is disconnected from the high voltage circuit, saving Energy consumption.
  • the insulated gate bipolar transistors are all turned on; when the accumulated power consumption detected by the 30th (ie, 3s) is not 102KJ, that is, at the 3s, the accumulated power consumption of the positive temperature coefficient thermistor has been The target power consumption required by the air conditioner is achieved. At this time, the insulated gate bipolar transistor is turned off for the remaining 2s of the first preset time period of 5 seconds, so that the positive temperature coefficient thermistor is disconnected from the high voltage circuit. The connection achieves energy savings.
  • the insulated gate bipolar transistor in the first preset time period of 5 s, the insulated gate bipolar transistor is in the on state during the first 3 s; the insulated gate bipolar transistor is in the off state in the last 2 s.
  • the foregoing second preset time period is the last 2 s in the first preset time period, and the third second is the foregoing first time.
  • the cumulative power consumption of the positive temperature coefficient thermistor obtained at the 50th (ie, 5th) in the first preset time period 5S is 99KJ, that is, in this first pre- In the set time period, the accumulated power consumption provided by the positive temperature coefficient thermistor does not reach the target power consumption.
  • the insulated gate bipolar transistors are all turned on.
  • step 102 includes:
  • Step 1021 When the value of the target power consumption is the same as the value of the first target power consumption of the previous time period before the stored first preset time period, acquiring the positive temperature coefficient thermistor is in advance Set the cumulative power consumption when the time interval arrives.
  • step 1021 comparing the target power consumption with the first target power consumption is to determine whether the driver adjusts the air conditioner during the two adjacent first predetermined time periods.
  • step 1021 the formula is passed
  • U is the voltage of the high voltage circuit connected to the positive temperature coefficient thermistor, and its value is a stable value, and the instantaneous value Ut is equal to the value of U.
  • I is the current between the positive temperature coefficient thermistor and the loop formed by the high voltage circuit, which is collected by the collector of the peripheral. During each first predetermined time period, the value of the current is collected every 100 ms, that is, the instantaneous value It of the current I is determined.
  • the value of ⁇ t in the embodiment of the present disclosure is 100 ms.
  • the formula can be calculated at 100ms, The value of the heat generated by the temperature coefficient thermistor W1, at this time, the duration of t is 100ms; when the value of the current is collected for the second time (ie 200ms), the instantaneous value It2 of the current at 200ms can be obtained, which can be obtained in The heat value W2 of the positive temperature coefficient thermistor between 100ms and 200ms, by adding the values of W1 and W2, can obtain the total heat, the number of times, the value of t generated by the positive temperature coefficient thermistor at 200ms. It is 200ms.
  • the power request of the air conditioner is collected multiple times in a small period of time, and the output power consumption of the positive temperature coefficient thermistor is in the first pre- Set the time interval to accumulate at 100ms as a time interval, avoiding the problem that the power output of the PTC thermistor cannot be stabilized due to the difference of the ambient temperature, so that during the first preset time period, The cumulative power dissipation of the temperature coefficient thermistor output can be met or approached to the target power consumption with a minimum difference. Moreover, power saving utilization and precise control of the output power consumption of the positive temperature coefficient thermistor can be achieved.
  • a second embodiment of the present disclosure provides a heating air system control method, including:
  • Step 201 Acquire a power request sent by the air conditioner for a first preset time period, and determine a target power consumption of the positive temperature coefficient thermistor according to the power request.
  • Step 202 Determine whether the value of the target power consumption is the same as the value of the first target power consumption of the previous time period before the stored first preset time period;
  • Step 203 When the value of the target power consumption is the same as the value of the first target power consumption of the previous time period before the stored first preset time period, acquiring the positive temperature coefficient thermistor is in advance Set the cumulative power consumption when the time interval arrives.
  • Step 204 When the obtained value of the accumulated power consumption is greater than or equal to the value of the target power consumption, determine the first time of the accumulated power consumption that is equal to the value of the target power consumption, and control The IGBT is switched from the on state to the off state in the second preset time period, where the second preset time period is a time period after the first time in the first preset time period .
  • Step 205 When the obtained value of the accumulated power consumption is less than the value of the target power consumption, controlling the insulated gate bipolar transistor to remain in an on state.
  • Step 206 when the value of the target power consumption is different from the value of the first target power consumption, determining whether the value of the target power consumption is zero;
  • Step 207 when the value of the target power consumption is not zero, replacing the stored value of the first target power consumption with the value of the target power consumption;
  • Step 208 When the value of the target power consumption is zero, then the insulated gate bipolar transistor is controlled to switch from the on state to the off state in the second preset time period.
  • the IGBT must first be turned on. Then, the step of obtaining the power request and determining the target power consumption is performed.
  • the positive temperature coefficient thermal is turned off by switching the insulated gate bipolar transistor from the on state to the off state during the first predetermined period of time.
  • the connection between the resistor and the high voltage circuit causes the PTC thermistor to stop heating.
  • the method further includes: controlling the opening of the insulated gate bipolar transistor, wherein the step is to ensure that the insulating gate is in the next cycle.
  • the bipolar transistor is on.
  • the control method of the warm air system provided by the second embodiment of the present disclosure is such that, during the preset time period, the target power consumption and the first target power consumption are the same, in the first preset time period,
  • the cumulative power dissipation of the PTC thermistor output can meet or be close to the target power consumption with a minimum difference, achieving power savings, and precise control of the output power consumption of the PTC thermistor.
  • the execution method when the value of the target power consumption and the first target power consumption in the first preset time period are different is also determined.
  • a third embodiment of the present disclosure further provides a heating system control apparatus, including:
  • the first obtaining module 1 is configured to acquire a power request sent by the air conditioner for a first preset time period, and determine a target power consumption of the positive temperature coefficient thermistor according to the power request;
  • the second obtaining module 2 is configured to acquire the cumulative power consumption of the positive temperature coefficient thermistor when the preset time interval arrives, where the preset time interval is less than the first preset time period;
  • the first control module 3 is configured to control the insulated gate bipolar transistor in an on state according to the target power consumption and the accumulated power consumption.
  • the first control module includes:
  • a first control unit configured to determine, when the obtained value of the accumulated power consumption is greater than or equal to a value of the target power consumption, the first obtained the accumulated power consumption equal to the value of the target power consumption And controlling the IGBT to switch from the on state to the off state in the second preset time period, where the second preset time period is at the first time in the first preset time period After the time period;
  • a second control unit configured to control the insulated gate bipolar transistor to remain in an on state when the obtained value of the accumulated power consumption is less than a value of the target power consumption.
  • the heating system control device further includes:
  • a determining module configured to determine whether a value of the target power consumption is the same as a value of the first target power consumption of the stored previous time period before the first preset time period;
  • the cumulative power consumption when the positive temperature coefficient thermistor is acquired at a preset time interval is performed by the second acquiring module. A step of.
  • the heating system control device further includes:
  • a determining module configured to: when the value of the target power consumption is different from the value of the first target power consumption, determine whether the value of the target power consumption is zero;
  • a replacement module configured to replace, when the value of the target power consumption is not zero, a value of the stored first target power consumption as a value of the target power consumption
  • the step of controlling the IGBT is switched from the on state to the off state in the second preset time period by the second control unit.
  • the heating system control device further includes:
  • a second control module configured to control the insulated gate bipolar transistor to be turned on when the value of the target power consumption is not zero.
  • the control device of the warm air system provided by the third embodiment of the present disclosure is a device corresponding to the above method, and all the implementation manners of the above methods are applicable to the embodiment of the device, and the same technical effects can be achieved.
  • the cumulative power consumption of the positive temperature coefficient thermistor output can be satisfied or approached to the target power consumption with a minimum difference during the first predetermined period of time.
  • power saving utilization and precise control of the output power consumption of the positive temperature coefficient thermistor can be achieved.
  • a fourth embodiment of the present disclosure further provides a warm air system, as shown in FIG. 4, including:
  • Air conditioner 301 Air conditioner 301;
  • a positive temperature coefficient thermistor controller 303 connected to the air conditioner 301 through a controller local area network;
  • a positive temperature coefficient thermistor 305 connected to the positive temperature coefficient thermistor controller 303;
  • the positive temperature coefficient thermistor 305 is connected to the high voltage circuit 309 through an insulated gate bipolar transistor 307;
  • the positive temperature coefficient thermistor controller determines a target power consumption of the positive temperature coefficient thermistor according to the obtained power request of the air conditioner for the first preset time period, and obtains the positive temperature coefficient thermistor in the pre
  • the accumulated power consumption when the time interval arrives is set; and the insulated gate bipolar transistor in the on state is controlled according to the target power consumption and the accumulated power consumption.
  • the warm air system further includes a blower disposed to the air conditioning outlet for mixing the heat radiated by the positive temperature coefficient thermistor with the cold air and blowing it into the vehicle.
  • the cumulative power consumption of the positive temperature coefficient thermistor output can be satisfied or approach the target power consumption with a minimum difference during the first predetermined time period. Moreover, accurate control of the output heat of the positive temperature coefficient thermistor is realized, and the energy saving effect is achieved.
  • an embodiment of the present disclosure further provides an automobile including the above-described warm air system.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

L'invention concerne un procédé de commande de système d'air chaud comprenant les étapes consistant : à acquérir une demande d'énergie dans une première période prédéfinie envoyée par un climatiseur et déterminer, en fonction de la demande d'énergie, une consommation d'énergie cible d'une thermistance à coefficient de température positif ; à acquérir, lorsqu'un intervalle de temps prédéfini est atteint, une consommation d'énergie cumulative de la thermistance à coefficient de température positif, l'intervalle de temps prédéfini étant inférieur à la première période prédéfinie ; et à commander, en fonction de la consommation d'énergie cible et de la consommation d'énergie cumulative, un transistor bipolaire à grille isolée dans un état ouvert. Le procédé de commande du système d'air chaud commande le chauffage de la thermistance à coefficient de température positif au moyen de la division d'un temps de chauffage de cette dernière en différentes périodes, de sorte que la consommation d'énergie cumulative délivrée par la thermistance à coefficient de température positif peut correspondre à la consommation d'énergie cible ou présenter un écart minimal par rapport à cette dernière, ce qui permet de réaliser une commande précise de sortie de chaleur par la thermistance à coefficient de température positif et d'obtenir l'effet d'économie d'énergie. L'invention concerne également un appareil de commande de système d'air chaud et un véhicule automobile utilisant le système d'air chaud.
PCT/CN2017/119265 2017-03-29 2017-12-28 Procédé et appareil de commande de système d'air chaud, système d'air chaud et véhicule automobile Ceased WO2018176949A1 (fr)

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CN201710196260.4A CN106956563B (zh) 2017-03-29 2017-03-29 一种暖风系统控制方法、控制装置、暖风系统及汽车
CN201710196260.4 2017-03-29

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CN110165636A (zh) * 2019-04-28 2019-08-23 华为技术有限公司 一种过温保护方法、装置及电子设备

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WO2017016823A1 (fr) * 2015-07-29 2017-02-02 Valeo Systemes Thermiques Dispositif de chauffage et procede de gestion associe
CN106347067A (zh) * 2016-07-29 2017-01-25 北京新能源汽车股份有限公司 电动汽车及用于电动汽车的ptc电加热器的控制方法、系统
CN106956563A (zh) * 2017-03-29 2017-07-18 北京新能源汽车股份有限公司 一种暖风系统控制方法、控制装置、暖风系统及汽车

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