Arrangement method and device of vehicle external temperature sensing equipment, vehicle and storage medium

Abstract

The invention relates to the technical field of vehicles, in particular to an arrangement method and device for vehicle external temperature sensing equipment, a vehicle and a storage medium, and the method comprises the steps that at least one running working condition of the current vehicle is determined, and the corresponding cooling unit heat dissipating capacity and the corresponding fan duty ratio are obtained according to each running working condition; generating an initial arrangement strategy of the current vehicle external temperature sensing equipment, acquiring temperature rise data of the current vehicle external temperature sensing equipment under each driving working condition based on the initial arrangement strategy, and when the temperature rise data under each driving working condition meets a corresponding temperature rise target, sending the temperature rise data to the vehicle external temperature sensing equipment; and taking the initial arrangement strategy of the current vehicle external temperature sensing equipment as the final arrangement strategy of the current vehicle external temperature sensing equipment. Therefore, the problems of low accuracy and efficiency of temperature acquisition, large workload, complicated acquisition process implementation and the like in the related technology are solved, and the accuracy of temperature acquisition when a real vehicle runs on a road is ensured by simulating and guiding the arrangement strategy of the external temperature sensing equipment in the development stage.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to a method for arranging a vehicle external temperature sensor device, a device, a vehicle and a storage medium. Background Art

[0002] With the increasing demand for vehicle intelligence and long driving range, vehicle air conditioning has appeared in multiple temperature zones or even multi-zone configurations to meet users' personalized needs and achieve optimal energy consumption. The accuracy of the external temperature sensor equipment directly affects the working efficiency of the air-conditioning system and the comfort of the passengers. The external temperature sensor equipment is usually arranged on the inside of the car's air intake grille, but due to the influence of factors such as vehicle speed, layout position, and sealing of the air guide plate, its reading may deviate from the actual ambient temperature, thereby affecting the normal operation of the air-conditioning system.

[0003] In the related art, the accuracy of the external temperature sensing device is adjusted mainly through experimental calibration and strategic correction of the external temperature value.

[0004] However, the experimental calibration and strategy correction of the outside temperature value not only requires a large workload, low efficiency, low measurement accuracy and high cost, but also requires the whole vehicle to be in a relatively perfect state (hardware and software), thus affecting the operation and development of vehicle air conditioning, which urgently needs to be solved. Summary of the invention

[0005] The present application provides a method for arranging vehicle external temperature sensing equipment, a device, a vehicle and a storage medium to solve the problems of low accuracy and efficiency of temperature acquisition, large workload, and complex acquisition process in related technologies.

[0006] The first aspect of the present application provides a method for arranging a vehicle external temperature sensor device, comprising the following steps:

[0007] Determining at least one driving condition of the current vehicle;

[0008] Acquire, according to each driving condition, a cooling unit heat dissipation amount and a fan duty cycle corresponding to each driving condition, so as to generate an initial arrangement strategy of the current vehicle external temperature sensing device according to the cooling unit heat dissipation amount and the fan duty cycle corresponding to each driving condition;

[0009] Based on the initial layout strategy, the temperature rise data of the external temperature sensing device of the current vehicle under each driving condition is obtained, and it is determined whether the temperature rise data under each driving condition respectively meets the temperature rise target corresponding to each driving condition; and when the temperature rise data under each driving condition meets the corresponding temperature rise target, the initial layout strategy of the external temperature sensing device of the current vehicle is used as the final layout strategy of the external temperature sensing device of the current vehicle.

[0010] According to an embodiment of the present application, obtaining the temperature rise data of the current vehicle external temperature sensing device under each driving condition includes:

[0011] Acquiring the surface temperature of the thermosensitive element in the current vehicle external temperature sensing device under each driving condition and the ambient temperature under each driving condition;

[0012] Simulating the surface temperature of the thermal element to obtain the average surface temperature of the thermal element;

[0013] The temperature difference between the average surface temperature of the thermosensitive element and the ambient temperature under each driving condition is calculated to obtain the temperature rise data of the current vehicle external temperature sensing device under each driving condition.

[0014] According to an embodiment of the present application, after determining whether the temperature rise data under each driving condition meets the temperature rise target corresponding to each driving condition, the method further includes:

[0015] If the temperature rise data under any driving condition does not meet the corresponding temperature rise target, the initial layout strategy is optimized until the temperature rise data under each driving condition meets the corresponding temperature rise target, and the final layout strategy of the current vehicle external temperature sensor device is output.

[0016] According to one embodiment of the present application, after obtaining the final arrangement strategy of the current vehicle external temperature sensing device, the method further includes:

[0017] Based on the final arrangement strategy, determining at least one arrangement position of the current vehicle external temperature sensing device;

[0018] generating, based on each arrangement position of the current vehicle external temperature sensing device, an arrangement interval and an exposure standard between the current vehicle external temperature sensing device and the arrangement position;

[0019] An aesthetic evaluation of the current vehicle external temperature sensing device is generated according to the arrangement interval and the exposure standard between the current vehicle external temperature sensing device and the arrangement position.

[0020] According to one embodiment of the present application, the connector harness end of the current vehicle external temperature sensing device is arranged tilted downward or horizontally.

[0021] According to the arrangement method of the vehicle external temperature sensor device in the embodiment of the present application, at least one driving condition of the current vehicle is determined, the corresponding cooling unit heat dissipation and fan duty cycle are obtained according to each driving condition, and the initial arrangement strategy of the current vehicle external temperature sensor device is generated. The temperature rise data of the current vehicle external temperature sensor device under each driving condition is obtained based on the initial arrangement strategy. When the temperature rise data under each driving condition meets the corresponding temperature rise target, the initial arrangement strategy of the current vehicle external temperature sensor device is used as the final arrangement strategy of the current vehicle external temperature sensor device. Thus, the problems of low accuracy and efficiency of temperature acquisition, large workload, and complex acquisition process in the related technology are solved. The arrangement strategy of the external temperature sensor device is guided by simulation in the development stage, thereby ensuring the accuracy of temperature acquisition when the actual vehicle is driving on the road.

[0022] A second aspect of the present application provides a device for arranging a vehicle external temperature sensor device, including:

[0023] A determination module, used to determine at least one driving condition of the current vehicle;

[0024] A generating module, configured to obtain, according to each driving condition, a cooling unit heat dissipation amount and a fan duty cycle corresponding to each driving condition, so as to generate an initial arrangement strategy of the current vehicle external temperature sensing device according to the cooling unit heat dissipation amount and the fan duty cycle corresponding to each driving condition;

[0025] a layout module, for obtaining the temperature rise data of the external temperature sensing device of the current vehicle under each driving condition based on the initial layout strategy, and determining whether the temperature rise data under each driving condition respectively satisfies the temperature rise target corresponding to each driving condition, and when the temperature rise data under each driving condition satisfies the corresponding temperature rise target, using the initial layout strategy of the external temperature sensing device of the current vehicle as the final layout strategy of the external temperature sensing device of the current vehicle.

[0026] According to one embodiment of the present application, the arrangement module includes:

[0027] an acquisition unit, used to acquire the surface temperature of the thermosensitive element in the current vehicle external temperature sensing device under each driving condition and the ambient temperature under each driving condition;

[0028] A simulation unit, used for simulating the surface temperature of the thermal element to obtain the average surface temperature of the thermal element;

[0029] The calculation unit is used to calculate the temperature difference between the surface average temperature of the thermistor and the ambient temperature under each driving condition, and obtain the temperature rise data of the current vehicle external temperature sensing device under each driving condition.

[0030] According to an embodiment of the present application, after determining whether the temperature rise data under each driving condition meets the temperature rise target corresponding to each driving condition, the arrangement module further includes:

[0031] The optimization unit is used to optimize the initial layout strategy if the temperature rise data under any driving condition does not meet the corresponding temperature rise target, and output the final layout strategy of the current vehicle external temperature sensor device when the temperature rise data under each driving condition meets the corresponding temperature rise target.

[0032] According to an embodiment of the present application, after obtaining the final arrangement strategy of the current vehicle external temperature sensor device, the arrangement module further includes:

[0033] a determining unit, configured to determine at least one arrangement position of the current vehicle external temperature sensing device based on the final arrangement strategy;

[0034] A first generating unit, configured to generate, based on each arrangement position of the current vehicle external temperature sensing device, an arrangement interval and an exposure standard between the current vehicle external temperature sensing device and the arrangement position;

[0035] The second generating unit is used to generate an aesthetic evaluation of the current vehicle external temperature sensing device according to the arrangement interval and exposure standard of the current vehicle external temperature sensing device and the arrangement position.

[0036] According to one embodiment of the present application, the connector harness end of the current vehicle external temperature sensing device is arranged tilted downward or horizontally.

[0037] According to the arrangement device of the vehicle external temperature sensor device of the embodiment of the present application, at least one driving condition of the current vehicle is determined, the corresponding cooling unit heat dissipation and fan duty cycle are obtained according to each driving condition, and the initial arrangement strategy of the current vehicle external temperature sensor device is generated. The temperature rise data of the current vehicle external temperature sensor device under each driving condition is obtained based on the initial arrangement strategy. When the temperature rise data under each driving condition meets the corresponding temperature rise target, the initial arrangement strategy of the current vehicle external temperature sensor device is used as the final arrangement strategy of the current vehicle external temperature sensor device. Thus, the problems of low accuracy and efficiency of temperature acquisition, large workload, and complex acquisition process in the related technology are solved. The arrangement strategy of the external temperature sensor device is guided by simulation in the development stage, thereby ensuring the accuracy of temperature acquisition when the actual vehicle is driving on the road.

[0038] A third aspect of the present application provides a vehicle, comprising: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement the method for arranging the vehicle external temperature sensing device as described in the above embodiment.

[0039] A fourth aspect of the present application provides a computer-readable storage medium, wherein the computer-readable storage medium stores computer instructions, and the computer instructions are used to enable the computer to execute the method for arranging the vehicle external temperature sensing device as described in the above embodiment.

[0040] The fifth aspect of the present application provides a computer program product, including a computer program, which is executed to implement the method for arranging the vehicle external temperature sensing device described in the above embodiment.

[0041] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0043] Figure 1 A flow chart of a method for arranging a vehicle external temperature sensor device according to an embodiment of the present application;

[0044] Figure 2 A block diagram of a method for evaluating the arrangement of an external temperature sensing device for a vehicle according to an embodiment of the present application;

[0045] Figure 3 A flowchart of air conditioning performance achievement according to the steps of one embodiment of the present application;

[0046] Figure 4 An exemplary diagram of an arrangement device of a vehicle external temperature sensing device according to an embodiment of the present application;

[0047] Figure 5 It is a schematic diagram of the structure of a vehicle according to an embodiment of the present application. DETAILED DESCRIPTION

[0048] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0049] The following describes the arrangement method, device, vehicle and storage medium of the vehicle external temperature sensor device of the embodiment of the present application with reference to the accompanying drawings. In view of the problems of low accuracy and efficiency of temperature acquisition, large workload and complex acquisition process in the related art mentioned in the above background technology, the present application provides a method for arranging vehicle external temperature sensor devices, in which at least one driving condition of the current vehicle is determined, the corresponding cooling unit heat dissipation and fan duty cycle are obtained according to each driving condition, and the initial arrangement strategy of the current vehicle external temperature sensor device is generated. The temperature rise data of the current vehicle external temperature sensor device under each driving condition is obtained based on the initial arrangement strategy. When the temperature rise data under each driving condition meets the corresponding temperature rise target, the initial arrangement strategy of the current vehicle external temperature sensor device is used as the final arrangement strategy of the current vehicle external temperature sensor device. Thus, the problems of low accuracy and efficiency of temperature acquisition, large workload and complex acquisition process in the related art are solved, and the arrangement strategy of the external temperature sensor device is guided by simulation in the development stage, thereby ensuring the accuracy of temperature acquisition when the actual vehicle is driving on the road.

[0050] Specifically, Figure 1 A schematic flow chart of a method for arranging vehicle external temperature sensing equipment provided in an embodiment of the present application.

[0051] like Figure 1 As shown, the arrangement method of the vehicle external temperature sensing device includes the following steps:

[0052] In step S101 , at least one driving condition of the current vehicle is determined.

[0053] Specifically, Figure 2 As shown, the embodiment of the present application has formulated reasonable evaluation conditions, evaluation standards and optimization plans for the layout of external temperature sensor equipment through a large number of simulations and historical test data comparisons of multiple vehicle models. The layout of external temperature sensor equipment is guided by simulation in the development stage, mainly including four parts: air conditioning performance achievement, vehicle refinement and aesthetics, sensor's own reliability, and vehicle wading reliability. This ensures the accuracy of external temperature sensor equipment data collected when the actual vehicle is driving on the road, and takes into account the vehicle's refinement and aesthetics, sensor's own reliability and vehicle wading reliability while achieving air conditioning performance achievement.

[0054] Specifically, if Figure 3 As shown, the air conditioning performance achievement of the embodiment of the present application mainly includes the steps of formulating evaluation conditions, sorting out simulation boundary conditions, formulating evaluation standards, vehicle CFD (Computational Fluid Dynamics) simulation analysis, collecting the surface temperature of thermistors of external temperature sensing equipment, result evaluation and optimization, and output layout plan.

[0055] The embodiment of the present application first needs to formulate an evaluation condition, that is, determine at least one driving condition of the current vehicle, which may mainly include condition one, condition two, condition three and condition four. The current vehicle corresponds to different vehicle speeds, slopes and ambient temperatures in each driving condition. For example, the vehicle speed of the current vehicle in condition one may be 0 km / h, the driving slope may be 0%, and the ambient temperature may be 43°C; the vehicle speed of the current vehicle in condition two may be 15 km / h, the driving slope may be 8%, and the ambient temperature may be 35°C; the vehicle speed of the current vehicle in condition three may be 25 km / h, the driving slope may be 8%, and the ambient temperature may be 35°C; the vehicle speed of the current vehicle in condition four may be 40 km / h, the driving slope may be 9%, and the ambient temperature may be 35°C. The main evaluation conditions and related parameters are shown in Table 1:

[0056] Table 1

[0057]

[0058]

[0059] In step S102, the cooling unit heat dissipation and fan duty cycle corresponding to each driving condition are obtained according to each driving condition, so as to generate an initial layout strategy of the current vehicle external temperature sensor device according to the cooling unit heat dissipation and fan duty cycle corresponding to each driving condition.

[0060] Specifically, after formulating the evaluation conditions, the embodiments of the present application need to sort out the simulation boundary conditions for each driving condition, mainly including the heat dissipation and fan duty cycle of all modules in the air intake channel of the front-end external temperature sensor device of the whole vehicle under the above-mentioned evaluation conditions. That is to say, it is necessary to obtain the heat dissipation and fan duty cycle of the cooling unit corresponding to each driving condition according to each driving condition, wherein the heat dissipation is obtained based on the one-dimensional simulation of the functions of each module of the whole vehicle, and the fan duty cycle needs to comprehensively consider the thermal management performance of the actual vehicle and the NVH (Noise, Vibration, and Harshness) noise performance, and the lower the speed, the more serious the heat reflux on the surface of the external temperature sensor device.

[0061] Specifically, when the current vehicle is a pure electric vehicle, the front-end cooling unit (i.e., the front-end cooling module) includes a motor radiator and a condenser. The motor radiator cools the electric drive system, and the condenser cools the air conditioner and the power battery. Under the four working conditions obtained above, the module heat dissipation and fan duty cycle in the front-end temperature sensing device can be respectively: working condition one: motor radiator 0kW, condenser 10kW, fan duty cycle 45%; working condition two: motor radiator 3.38kW, condenser 7.98kW, fan duty cycle 70%; working condition three: motor radiator 3.69kW, condenser 8.23kW, fan duty cycle 70%; working condition four: motor radiator 3.92kW, condenser 8.43kW, fan duty cycle 80%, thereby obtaining the cooling unit heat dissipation and fan duty cycle corresponding to each driving condition, so as to generate the initial layout strategy of the current vehicle external temperature sensing device according to the cooling unit heat dissipation and fan duty cycle corresponding to each driving condition, wherein the cooling unit heat dissipation and fan duty cycle corresponding to each driving condition are shown in Table 2:

[0062] Table 2

[0063]

[0064] In step S103, the temperature rise data of the external temperature sensing device of the current vehicle under each driving condition is obtained based on the initial layout strategy, and it is determined whether the temperature rise data under each driving condition meets the temperature rise target corresponding to each driving condition respectively; and when the temperature rise data under each driving condition meets the corresponding temperature rise target, the initial layout strategy of the external temperature sensing device of the current vehicle is used as the final layout strategy of the external temperature sensing device of the current vehicle.

[0065] According to one embodiment of the present application, the temperature rise data of the current vehicle external temperature sensing device under each driving condition is obtained, including: obtaining the surface temperature of the thermistor in the current vehicle external temperature sensing device under each driving condition and the ambient temperature under each driving condition; simulating the surface temperature of the thermistor to obtain the average surface temperature of the thermistor; calculating the temperature difference between the average surface temperature of the thermistor and the ambient temperature under each driving condition, to obtain the temperature rise data of the current vehicle external temperature sensing device under each driving condition.

[0066] Specifically, the embodiment of the present application obtains the temperature rise data of the current vehicle external temperature sensor device under each driving condition based on the initial layout strategy, and further determines whether the temperature rise data under each driving condition meets the temperature rise target corresponding to each driving condition.

[0067] Specifically, after obtaining the initial layout strategy of the external temperature sensing device, the embodiment of the present application first obtains the surface temperature of the thermistor unit of the external temperature sensing device under each driving condition. During simulation, the thermistor of the external temperature sensing device is one component, and the body of the external temperature sensing device and the fixed bracket are another component. After the simulation is completed, the average surface temperature of the thermistor in the current vehicle external temperature sensing device under each driving condition and the ambient temperature under each driving condition are collected, and the difference is made between the average surface temperature of the thermistor and the ambient temperature under the driving condition, that is, the average surface temperature of the thermistor minus the ambient temperature, to obtain the temperature rise data of the current vehicle external temperature sensing device under each driving condition, and determine whether the temperature rise data under each driving condition meets the temperature rise target corresponding to each driving condition, wherein the temperature rise target corresponding to each driving condition is shown in Table 3, specifically, the temperature rise target of condition one can be a temperature difference of ≤5°C; the temperature rise target of condition two can be a temperature difference of ≤2°C; the temperature rise target of condition three can be a temperature difference of ≤1°C; the temperature rise target of condition four can be a temperature difference of ≤0.2°C.

[0068] Table 3

[0069]

[0070] Furthermore, if the temperature rise data under each driving condition meets the corresponding temperature rise target, that is, when the current vehicle is in condition one, the corresponding temperature difference is ≤5°C, which means that the temperature rise data under condition one meets the corresponding temperature rise target, when the current vehicle is in condition two, the corresponding temperature difference is ≤2°C, which means that the temperature rise data under condition two meets the corresponding temperature rise target, when the current vehicle is in condition three, the corresponding temperature difference is ≤1°C, which means that the temperature rise data under condition three meets the corresponding temperature rise target, and when the current vehicle is in condition four, the corresponding temperature difference is ≤0.2°C, which means that the temperature rise data under condition four meets the corresponding temperature rise target, thereby outputting the layout strategy of the current external temperature sensing device, that is, taking the initial layout strategy of the external temperature sensing device of the current vehicle as the final layout strategy of the external temperature sensing device of the current vehicle.

[0071] According to one embodiment of the present application, after determining whether the temperature rise data under each driving condition meets the temperature rise target corresponding to each driving condition, it also includes: if the temperature rise data under any driving condition does not meet the corresponding temperature rise target, the initial layout strategy is optimized until the temperature rise data under each driving condition meets the corresponding temperature rise target, and the final layout strategy of the current vehicle external temperature sensor device is output.

[0072] Specifically, if the temperature rise data under any driving condition does not meet the corresponding temperature rise target, it is necessary to optimize the initial layout strategy, that is, optimize the layout position of the external temperature sensor equipment or optimize the sealing of the air intake grille and the front bumper bracket, wind deflector, etc., so that the area where the external temperature sensor equipment is located has less reflux and lower wind temperature. The optimized layout strategy is used for the next round of vehicle CFD simulation analysis and is continuously iterated until the temperature rise data under each driving condition meets the corresponding temperature rise target, and then the final layout strategy of the current vehicle's external temperature sensor equipment is output.

[0073] According to one embodiment of the present application, after obtaining the final layout strategy of the current vehicle external temperature sensor device, it also includes: determining at least one layout position of the current vehicle external temperature sensor device based on the final layout strategy; generating a layout interval and an exposure standard between the current vehicle external temperature sensor device and the layout position based on each layout position of the current vehicle external temperature sensor device; and generating an aesthetic evaluation of the current vehicle external temperature sensor device based on the layout interval and the exposure standard between the current vehicle external temperature sensor device and the layout position.

[0074] According to one embodiment of the present application, the connector harness end of the current vehicle external temperature sensing device is arranged tilted downward or horizontally.

[0075] Specifically, the embodiment of the present application not only evaluates the overall air conditioning performance achievability based on the above-mentioned overall evaluation process, but also takes into account the evaluation of the vehicle's aesthetics, the reliability of the sensor itself, and the vehicle's wading reliability.

[0076] Specifically, based on the final layout strategy obtained in the present application, it is necessary to conduct an aesthetic evaluation of the current vehicle, for example, an evaluation can be conducted based on the front view of the entire vehicle, to determine at least one layout position of the external temperature sensor device of the current vehicle, and based on each layout position of the external temperature sensor device of the current vehicle, generate a layout interval and an exposure standard for the external temperature sensor device of the current vehicle and the layout position. For example, the layout interval of the external temperature sensor device may include two layout intervals, namely, the upper part of the vehicle air intake grille or the upper part of the license plate and the lower part of the vehicle air intake grille or the lower part of the license plate, and an exposure standard is proposed for different spacing intervals between the external temperature sensor device and the air intake grille in the above two layout intervals, and the surface of the exposed part needs to be painted black.

[0077] For example, when the external temperature sensor device is arranged on the upper part of the vehicle's air intake grille or the upper part of the license plate, the X-direction distance between the external temperature sensor device and the air intake grille is D (mm). When D<80, only the thermistor part can be exposed. When 80≤D<110, the thermistor + 1 / 3 of the body and the fixing bracket can be exposed. When 110≤D<150, the thermistor + 2 / 3 of the body and the fixing bracket can be exposed. When D≥150, the entire external temperature sensor device can be exposed but does not include the wiring harness. When When the external temperature sensor is arranged at the lower part of the vehicle's air intake grille or the lower part of the license plate, the X-direction distance between the external temperature sensor and the air intake grille is D (mm). When D<50, only the thermistor part can be exposed. When 50≤D<80, the thermistor + 1 / 3 of the body and the fixing bracket can be exposed. When 80≤D<120, the thermistor + 2 / 3 of the body and the fixing bracket can be exposed. When D≥120, the entire external temperature sensor can be exposed but does not include the wiring harness. The specific solution is shown in Table 4:

[0078] Table 4

[0079]

[0080] Furthermore, based on the reliability of the sensor itself, the embodiment of the present application can tilt the wiring harness end of the connector of the external temperature sensing device downward or arrange it horizontally (parallel to the Y direction) to avoid the risk of water accumulation in the connector for a long time and short circuit failure. In addition, the external temperature sensing device is mainly divided into two types: waterproof and non-waterproof. Based on the reliability of vehicle wading, the embodiment of the present application requires that the non-waterproof external temperature sensing device be installed at a wading height of more than 100 mm of the vehicle, thereby avoiding the external temperature sensing device from coming into contact with water, thereby affecting the monitoring accuracy of the external temperature sensing device.

[0081] It should be noted that the above-mentioned arrangement method of the vehicle external temperature sensing device is only exemplary. When formulating the evaluation conditions, it is not limited to the four conditions. For example, there may be condition five: vehicle speed 10km / h, slope 8%, ambient temperature 35°C, etc.; in the simulation boundary conditions, the front-end cooling unit includes all modules in the air intake channel of the front-end external temperature sensing device of the whole vehicle, but is not limited to the motor radiator and condenser. For example, it may also include a low-temperature radiator, a high-temperature radiator, an oil cooler, etc.; when formulating the temperature rise target evaluation standard, it is not limited to the temperature rise targets corresponding to the current four conditions, but may also include more temperature rise targets for conditions, such as condition five (vehicle speed 10km / h, slope 8%, ambient temperature 35℃) temperature rise target ≤4℃; when calculating the temperature difference between the average surface temperature of thermistor and the ambient temperature, it is not limited to the average surface temperature of thermistor of the external temperature sensor device, but can also include the highest temperature and the lowest temperature; the layout optimization strategy is not limited to the optimization of the air intake grille, front bumper bracket and air guide plate sealing, but can also depend on the actual vehicle structural parts, and should include all gap seals in the air intake channel of the front external temperature sensor device, such as the seal between the air guide plate and the active grille frame; the evaluation of the vehicle's aesthetics is not limited to the front view evaluation, for example, the aesthetics can also be evaluated in directions such as 45° in front of the vehicle.

[0082] In summary, the embodiments of the present application are evaluated based on four parts: air conditioning performance, vehicle refinement and aesthetics, sensor reliability, and vehicle wading reliability. Through a large number of simulations and historical test data comparisons of multiple models, reasonable external temperature sensor equipment layout evaluation conditions, evaluation standards, and optimization plans are formulated. The layout of the external temperature sensor equipment is guided by simulation in the development stage, thereby ensuring the accuracy of the external temperature sensor equipment data collected when the actual vehicle is driving on the road, while taking into account the vehicle's refinement and aesthetics, the sensor's own reliability, and the vehicle's wading reliability. The problem in the related technology that the method of correcting the external temperature value through test calibration and strategy is labor-intensive, time-consuming, and costly, and can only be achieved when the vehicle is in a relatively perfect state (hardware and software) is solved.

[0083] According to the arrangement method of the vehicle external temperature sensor device in the embodiment of the present application, at least one driving condition of the current vehicle is determined, the corresponding cooling unit heat dissipation and fan duty cycle are obtained according to each driving condition, and the initial arrangement strategy of the current vehicle external temperature sensor device is generated. The temperature rise data of the current vehicle external temperature sensor device under each driving condition is obtained based on the initial arrangement strategy. When the temperature rise data under each driving condition meets the corresponding temperature rise target, the initial arrangement strategy of the current vehicle external temperature sensor device is used as the final arrangement strategy of the current vehicle external temperature sensor device. Thus, the problems of low accuracy and efficiency of temperature acquisition, large workload, and complex acquisition process in the related technology are solved. The arrangement strategy of the external temperature sensor device is guided by simulation in the development stage, thereby ensuring the accuracy of temperature acquisition when the actual vehicle is driving on the road.

[0084] Next, the arrangement device of the vehicle external temperature sensing device proposed in the embodiment of the present application is described with reference to the accompanying drawings.

[0085] Figure 4 It is a block diagram of an arrangement device of a vehicle external temperature sensing device according to an embodiment of the present application.

[0086] like Figure 4 As shown, the arrangement device 10 of the vehicle external temperature sensor equipment includes: a determination module 100 , a generation module 200 and an arrangement module 300 .

[0087] Wherein, the determination module 100 is used to determine at least one driving condition of the current vehicle;

[0088] A generating module 200, for obtaining, according to each driving condition, a cooling unit heat dissipation and a fan duty cycle corresponding to each driving condition, so as to generate an initial arrangement strategy of the current vehicle external temperature sensing device according to the cooling unit heat dissipation and the fan duty cycle corresponding to each driving condition;

[0089] The arrangement module 300 is used to obtain the temperature rise data of the external temperature sensor device of the current vehicle under each driving condition based on the initial arrangement strategy, and to determine whether the temperature rise data under each driving condition respectively meets the temperature rise target corresponding to each driving condition, and when the temperature rise data under each driving condition meets the corresponding temperature rise target, the initial arrangement strategy of the external temperature sensor device of the current vehicle is used as the final arrangement strategy of the external temperature sensor device of the current vehicle.

[0090] According to one embodiment of the present application, the arrangement module 300 includes:

[0091] An acquisition unit, used to acquire the surface temperature of the thermosensitive element in the current vehicle external temperature sensing device under each driving condition and the ambient temperature under each driving condition;

[0092] A simulation unit, used for simulating the surface temperature of the thermistor to obtain the average surface temperature of the thermistor;

[0093] The calculation unit is used to calculate the temperature difference between the average surface temperature of the thermistor and the ambient temperature under each driving condition, and obtain the temperature rise data of the current vehicle external temperature sensing device under each driving condition.

[0094] According to an embodiment of the present application, after determining whether the temperature rise data under each driving condition meets the temperature rise target corresponding to each driving condition, the arrangement module 300 further includes:

[0095] The optimization unit is used to optimize the initial layout strategy if the temperature rise data under any driving condition does not meet the corresponding temperature rise target, until the temperature rise data under each driving condition meets the corresponding temperature rise target, and output the final layout strategy of the current vehicle external temperature sensor equipment.

[0096] According to an embodiment of the present application, after obtaining the final arrangement strategy of the current vehicle external temperature sensor device, the arrangement module 300 further includes:

[0097] A determination unit, configured to determine at least one arrangement position of a current vehicle external temperature sensing device based on the final arrangement strategy;

[0098] A first generating unit, configured to generate a layout interval and an exposure standard of the current vehicle external temperature sensing device and the layout position based on each layout position of the current vehicle external temperature sensing device;

[0099] The second generating unit is used to generate an aesthetic evaluation of the current vehicle external temperature sensing device according to the arrangement interval and exposure standard of the current vehicle external temperature sensing device and the arrangement position.

[0100] According to one embodiment of the present application, the connector harness end of the current vehicle external temperature sensing device is arranged tilted downward or horizontally.

[0101] According to the arrangement device of the vehicle external temperature sensor device of the embodiment of the present application, at least one driving condition of the current vehicle is determined, the corresponding cooling unit heat dissipation and fan duty cycle are obtained according to each driving condition, and the initial arrangement strategy of the current vehicle external temperature sensor device is generated. The temperature rise data of the current vehicle external temperature sensor device under each driving condition is obtained based on the initial arrangement strategy. When the temperature rise data under each driving condition meets the corresponding temperature rise target, the initial arrangement strategy of the current vehicle external temperature sensor device is used as the final arrangement strategy of the current vehicle external temperature sensor device. Thus, the problems of low accuracy and efficiency of temperature acquisition, large workload, and complex acquisition process in the related technology are solved. The arrangement strategy of the external temperature sensor device is guided by simulation in the development stage, thereby ensuring the accuracy of temperature acquisition when the actual vehicle is driving on the road.

[0102] Figure 5 A schematic diagram of the structure of a vehicle provided in an embodiment of the present application. The vehicle may include:

[0103] A memory 501 , a processor 502 , and a computer program stored in the memory 501 and executable on the processor 502 .

[0104] When the processor 502 executes the program, the arrangement method of the vehicle external temperature sensing device provided in the above embodiment is implemented.

[0105] Furthermore, the vehicle also includes:

[0106] The communication interface 503 is used for communication between the memory 501 and the processor 502 .

[0107] The memory 501 is used to store computer programs that can be executed on the processor 502 .

[0108] The memory 501 may include a high-speed RAM memory, and may also include a non-volatile memory (non-volatile memory), such as at least one disk memory.

[0109] If the memory 501, the processor 502 and the communication interface 503 are implemented independently, the communication interface 503, the memory 501 and the processor 502 can be connected to each other through a bus and communicate with each other. The bus can be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus. The bus can be divided into an address bus, a data bus, a control bus, etc. For ease of representation, Figure 5 Only one thick line is used in the diagram, but this does not mean that there is only one bus or only one type of bus.

[0110] Optionally, in a specific implementation, if the memory 501, the processor 502 and the communication interface 503 are integrated on a chip, the memory 501, the processor 502 and the communication interface 503 can communicate with each other through an internal interface.

[0111] The processor 502 may be a central processing unit (CPU), or an application specific integrated circuit (ASIC), or one or more integrated circuits configured to implement the embodiments of the present application.

[0112] This embodiment also provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the above-mentioned method for arranging the vehicle external temperature sensing device.

[0113] This embodiment also provides a computer program product, including a computer program, which is executed to implement the method for arranging the vehicle external temperature sensing device of the above embodiment.

[0114] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or N embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0115] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, "N" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0116] Any process or method description in a flowchart or otherwise described herein may be understood to represent a module, fragment or portion of code comprising one or more executable instructions for implementing the steps of a custom logical function or process, and the scope of the preferred embodiments of the present application includes alternative implementations in which functions may not be performed in the order shown or discussed, including performing functions in a substantially simultaneous manner or in reverse order depending on the functions involved, which should be understood by technicians in the technical field to which the embodiments of the present application belong.

[0117] The logic and / or steps represented in the flowchart or otherwise described herein, for example, can be considered as an ordered list of executable instructions for implementing logical functions, and can be embodied in any computer-readable medium for use by an instruction execution system, device or apparatus (such as a computer-based system, a system including a processor, or other system that can fetch instructions from an instruction execution system, device or apparatus and execute instructions), or in combination with these instruction execution systems, devices or apparatuses. For the purpose of this specification, "computer-readable medium" can be any device that can contain, store, communicate, propagate or transmit a program for use by an instruction execution system, device or apparatus, or in combination with these instruction execution systems, devices or apparatuses. More specific examples of computer-readable media (a non-exhaustive list) include the following: an electrical connection with one or N wirings (electronic devices), a portable computer disk box (magnetic device), a random access memory (RAM), a read-only memory (ROM), an erasable and programmable read-only memory (EPROM or flash memory), a fiber optic device, and a portable compact disk read-only memory (CDROM). In addition, the computer-readable medium may even be paper or other suitable medium on which the program is printed, since the program may be obtained electronically, for example, by optically scanning the paper or other medium and then editing, interpreting or otherwise processing in a suitable manner if necessary, and then stored in a computer memory.

[0118] It should be understood that the various parts of the present application can be implemented by hardware, software, firmware or a combination thereof. In the above-mentioned embodiment, the N steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented by hardware, as in another embodiment, it can be implemented by any one of the following technologies known in the art or their combination: a discrete logic circuit having a logic gate circuit for implementing a logic function for a data signal, a dedicated integrated circuit having a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.

[0119] A person skilled in the art may understand that all or part of the steps in the above-mentioned embodiment method may be completed by instructing related hardware through a program, and the program may be stored in a computer-readable storage medium, which, when executed, includes one or a combination of the steps of the method embodiment.

[0120] In addition, each functional unit in each embodiment of the present application may be integrated into a processing module, or each unit may exist physically separately, or two or more units may be integrated into one module. The above-mentioned integrated module may be implemented in the form of hardware or in the form of a software functional module. If the integrated module is implemented in the form of a software functional module and sold or used as an independent product, it may also be stored in a computer-readable storage medium.

[0121] The storage medium mentioned above may be a read-only memory, a magnetic disk or an optical disk, etc. Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application. A person of ordinary skill in the art may change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A method for arranging vehicle external temperature sensing equipment, characterized in that: The following steps are involved: Determining at least one driving condition of the current vehicle; Acquire, according to each driving condition, a cooling unit heat dissipation amount and a fan duty cycle corresponding to each driving condition, so as to generate an initial arrangement strategy of the current vehicle external temperature sensing device according to the cooling unit heat dissipation amount and the fan duty cycle corresponding to each driving condition; Based on the initial layout strategy, the temperature rise data of the external temperature sensing device of the current vehicle under each driving condition is obtained, and it is determined whether the temperature rise data under each driving condition respectively meets the temperature rise target corresponding to each driving condition; and when the temperature rise data under each driving condition meets the corresponding temperature rise target, the initial layout strategy of the external temperature sensing device of the current vehicle is used as the final layout strategy of the external temperature sensing device of the current vehicle.

2. The method according to claim 1, characterized in that The obtaining of the temperature rise data of the current vehicle external temperature sensing device under each driving condition includes: Acquiring the surface temperature of the thermosensitive element in the current vehicle external temperature sensing device under each driving condition and the ambient temperature under each driving condition; Simulating the surface temperature of the thermal element to obtain the average surface temperature of the thermal element; The temperature difference between the average surface temperature of the thermosensitive element and the ambient temperature under each driving condition is calculated to obtain the temperature rise data of the current vehicle external temperature sensing device under each driving condition.

3. The method according to claim 1, characterized in that: After determining whether the temperature rise data under each driving condition meets the temperature rise target corresponding to each driving condition, the method further includes: If the temperature rise data under any driving condition does not meet the corresponding temperature rise target, the initial layout strategy is optimized until the temperature rise data under each driving condition meets the corresponding temperature rise target, and the final layout strategy of the current vehicle external temperature sensor device is output.

4. The method according to claim 1, characterized in that After obtaining the final arrangement strategy of the current vehicle external temperature sensor device, the method further includes: Based on the final arrangement strategy, determining at least one arrangement position of the current vehicle external temperature sensing device; generating, based on each arrangement position of the current vehicle external temperature sensing device, an arrangement interval and an exposure standard between the current vehicle external temperature sensing device and the arrangement position; An aesthetic evaluation of the current vehicle external temperature sensing device is generated according to the arrangement interval and the exposure standard between the current vehicle external temperature sensing device and the arrangement position.

5. The method according to claim 1, characterized in that: The connector harness end of the current vehicle external temperature sensing device is arranged tilted downward or horizontally.

6. A device for arranging vehicle external temperature sensing equipment, characterized in that: include: A determination module, used to determine at least one driving condition of the current vehicle; A generating module, configured to obtain, according to each driving condition, a cooling unit heat dissipation amount and a fan duty cycle corresponding to each driving condition, so as to generate an initial arrangement strategy of the current vehicle external temperature sensing device according to the cooling unit heat dissipation amount and the fan duty cycle corresponding to each driving condition; a layout module, for obtaining the temperature rise data of the external temperature sensing device of the current vehicle under each driving condition based on the initial layout strategy, and determining whether the temperature rise data under each driving condition respectively satisfies the temperature rise target corresponding to each driving condition, and when the temperature rise data under each driving condition satisfies the corresponding temperature rise target, using the initial layout strategy of the external temperature sensing device of the current vehicle as the final layout strategy of the external temperature sensing device of the current vehicle.

7. The device according to claim 6, characterized in that The arrangement module comprises: an acquisition unit, used to acquire the surface temperature of the thermosensitive element in the current vehicle external temperature sensing device under each driving condition and the ambient temperature under each driving condition; A simulation unit, used for simulating the surface temperature of the thermal element to obtain the average surface temperature of the thermal element; The calculation unit is used to calculate the temperature difference between the surface average temperature of the thermistor and the ambient temperature under each driving condition, and obtain the temperature rise data of the current vehicle external temperature sensing device under each driving condition.

8. The device according to claim 6, characterized in that After determining whether the temperature rise data under each driving condition meets the temperature rise target corresponding to each driving condition, the arrangement module further includes: The optimization unit is used to optimize the initial layout strategy if the temperature rise data under any driving condition does not meet the corresponding temperature rise target, and output the final layout strategy of the current vehicle external temperature sensor device when the temperature rise data under each driving condition meets the corresponding temperature rise target.

9. A vehicle, characterized in that: include: A memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement the method for arranging a vehicle external temperature sensing device as described in any one of claims 1 to 5.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that: The program is executed by a processor to implement the method for arranging a vehicle external temperature sensing device as described in any one of claims 1 to 5.

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