Infrared monitoring system and method for hydrogen-powered vehicles

Abstract

The present invention relates to the technical field of new energy vehicles, and provides an infrared monitoring system in a hydrogen energy vehicle, including: an air circulation system, a CAN bus, an air conditioning controller HMC, a first infrared monitoring sensor, a second infrared monitoring sensor, a third infrared monitoring sensor, a fourth infrared monitoring sensor, a fifth infrared monitoring sensor, a sixth infrared monitoring sensor and a camera; the CAN bus is electrically connected to the air circulation system, the air conditioning controller HMC, the first infrared monitoring sensor, the second infrared monitoring sensor, the third infrared monitoring sensor, the fourth infrared monitoring sensor, the fifth infrared monitoring sensor, the sixth infrared monitoring sensor and the camera. The present invention improves the driver's perceived comfort while realizing intelligent in-vehicle temperature control; and can provide more convenient interactive access for the vehicle and the driver, thereby reducing the complexity of operation.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy vehicles, and in particular to an infrared monitoring system and method for a hydrogen-powered vehicle. Background Art

[0002] With the development of new energy vehicle technology, drivers have higher requirements for the comfort of new energy vehicles during driving, especially whether the air conditioning system can adjust the temperature in the car in time. The current existing air conditioning adjustment technology has technical problems such as low intelligence and inaccurate target temperature adjustment.

[0003] The above contents are only used to assist in understanding the technical solution of the present invention and do not constitute an admission that the above contents are prior art. Summary of the invention

[0004] The main purpose of the present invention is to solve the technical problems of the prior art air conditioning regulation that the intelligence level is not high and the target regulation temperature is not accurate enough.

[0005] To achieve the above object, the present invention provides an infrared monitoring system for a hydrogen-powered vehicle, comprising: an air circulation system, a CAN bus, an air conditioning controller HMC, a first infrared monitoring sensor, a second infrared monitoring sensor, a third infrared monitoring sensor, a fourth infrared monitoring sensor, a fifth infrared monitoring sensor, a sixth infrared monitoring sensor and a camera;

[0006] The CAN bus is electrically connected to the air circulation system, the air conditioning controller HMC, the first infrared monitoring sensor, the second infrared monitoring sensor, the third infrared monitoring sensor, the fourth infrared monitoring sensor, the fifth infrared monitoring sensor, the sixth infrared monitoring sensor and the camera;

[0007] The first infrared monitoring sensor is located below the LCD combination instrument panel in the vehicle; the second infrared monitoring sensor is located below the multi-function display screen in the central control area in the vehicle; the third infrared monitoring sensor is located in the middle of the intersection of the ceiling and the front window in the vehicle; the fourth infrared monitoring sensor is located on the outer edge of the upper left inner vanity panel; the fifth infrared monitoring sensor is located in the center of the left A-pillar in the vehicle; the sixth infrared monitoring sensor is located above the left front air-conditioning outlet in the vehicle; and the camera is located above the multi-function display screen in the central control area in the vehicle.

[0008] A method for infrared monitoring inside a hydrogen-powered vehicle is implemented based on the infrared monitoring system inside the hydrogen-powered vehicle, comprising the steps of:

[0009] S10: starting the vehicle, activating the air circulation system, the camera, and the first to sixth infrared monitoring sensors;

[0010] S20: obtaining air flow information in the vehicle through the air circulation system, obtaining clothing information through the camera, and obtaining facial skin temperature information within a time T through the first to sixth infrared monitoring sensors;

[0011] S30: The in-vehicle airflow information, the clothing information and the facial skin temperature information within the time T are transmitted to the air conditioning controller HMC via the CAN bus;

[0012] S40: the air conditioning controller HMC obtains the target temperature in the vehicle within the next time T according to the in-vehicle airflow information, the clothing information and the facial skin temperature information within the time T;

[0013] S50: the air conditioning controller HMC adjusts the air conditioning discharge amount according to the target vehicle temperature within the next time T and the current vehicle temperature;

[0014] S60: If the vehicle remains in the started state, the process returns to step S20, otherwise the process ends.

[0015] Preferably, the step of obtaining the driver's facial skin temperature information within a time T through the first to sixth infrared monitoring sensors includes:

[0016] S201: collecting skin temperature information of facial parts corresponding to a group of the first to sixth infrared monitoring sensors at intervals of time t within a time T, where t is less than T;

[0017] S202: The skin temperature information of each corresponding facial part is averaged to obtain facial skin temperature information within a time T.

[0018] Preferably, the step S40 includes:

[0019] S401: Obtaining a corresponding comfort coefficient n according to the clothing information;

[0020] S402: Obtaining a corresponding type parameter i according to the facial skin temperature information, the clothing information and the in-vehicle airflow information within the time T;

[0021] S403: Calculate and obtain the target temperature H in the vehicle within the next time T according to the corresponding type parameter i and the corresponding comfort coefficient n.

[0022] Preferably, the corresponding comfort coefficient n is obtained according to the clothing information, specifically:

[0023] If the clothing information is a short-sleeved shirt, the comfort coefficient n is 0.5;

[0024] If the clothing information is a shirt, the comfort coefficient n is 0.7;

[0025] If the clothing information is work clothes, the comfort coefficient n is 0.9;

[0026] If the clothing information is a jacket, the comfort coefficient n is 1.0;

[0027] If the clothing information is a hood sweater, the comfort coefficient n is 1.3.

[0028] Preferably, the corresponding type parameter i is obtained according to the facial skin temperature information, the clothing information and the in-vehicle airflow information within the time T, specifically:

[0029] If the facial skin temperature information within the time T is between 34° and 36°, and the clothing information is a head cover sweater, and the in-vehicle airflow information is that the vehicle is not ventilated, then the type parameter i is 1;

[0030] If the facial skin temperature information within the time T is between 34° and 36°, and the clothing information is a jacket, and the in-vehicle airflow information is that the vehicle is not ventilated, then the type parameter i is type -8;

[0031] If the facial skin temperature information within the time T is between 36° and 38°, and the clothing information is a short-sleeved shirt, and the in-vehicle airflow information is that the vehicle is not ventilated, then the category parameter i is 10;

[0032] If the facial skin temperature information within the time T is between 36° and 38°, and the clothing information is a head cover sweater, and the in-vehicle airflow information is in-vehicle ventilation, then the type parameter i is 3;

[0033] If the facial skin temperature information within the time T is between 36° and 38°, and the clothing information is a head cover sweater, and the in-vehicle airflow information is that the vehicle is not ventilated, then the category parameter i is 3;

[0034] If the facial skin temperature information within the time T exceeds 38°, and the clothing information is a short-sleeved shirt, and the in-vehicle airflow information is that the vehicle is not ventilated, then the category parameter i is 10;

[0035] If the facial skin temperature information within the time T exceeds 38°, and the clothing information is a head cover sweater, and the in-vehicle airflow information is in-vehicle ventilation, then the type parameter i is 3;

[0036] If the facial skin temperature information within the time T exceeds 38°, and the clothing information is a hood and sweater, and the in-vehicle airflow information is that the vehicle is not ventilated, then the category parameter i is 3.

[0037] Preferably, the specific formula for calculating the target temperature H in the vehicle within the next time T is:

[0038] H=n*30℃-(6℃-i*0.8℃)

[0039] Where n represents the comfort coefficient and i represents the type parameter.

[0040] Preferably, step S50 is specifically:

[0041] If the target vehicle interior temperature within the next time T is greater than the current vehicle interior temperature, the air conditioning controller HMC reduces the air conditioning emission;

[0042] If the target vehicle interior temperature within the next time T is lower than the current vehicle interior temperature, the air conditioning controller HMC increases the air conditioning discharge amount;

[0043] If the target vehicle interior temperature within the next time T is equal to the current vehicle interior temperature, the air conditioning controller HMC does not change the air conditioning discharge amount.

[0044] The present invention has the following beneficial effects: the in-vehicle infrared monitoring system of the present invention improves the driver's perceived comfort while realizing intelligent in-vehicle temperature control; and the in-vehicle infrared monitoring system of the present invention can provide more convenient interactive access between the vehicle and the driver, thereby reducing the complexity of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 This is a block diagram of the infrared monitoring system inside the hydrogen-powered vehicle of the present invention;

[0046] Figure 2 This is a schematic diagram of the process of the infrared monitoring method inside a hydrogen-powered vehicle of the present invention;

[0047] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0048] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0049] refer to Figure 1 The hydrogen-powered vehicle interior infrared monitoring system of the present invention uses multiple infrared monitoring sensors in the vehicle to identify the driver's facial skin temperature, and combines the air circulation system to determine whether the vehicle is ventilated, and the clothing information collected by the camera, and controls the operation of the air conditioner in the vehicle through an algorithm to create a comfortable temperature environment for the driver;

[0050] Specifically include: air circulation system, CAN bus, air conditioning controller HMC, first infrared monitoring sensor 1, second infrared monitoring sensor 2, third infrared monitoring sensor 3, fourth infrared monitoring sensor 4, fifth infrared monitoring sensor 5, sixth infrared monitoring sensor 6 and camera 7;

[0051] The CAN bus is electrically connected to the air circulation system, the air conditioning controller HMC, the first infrared monitoring sensor, the second infrared monitoring sensor, the third infrared monitoring sensor, the fourth infrared monitoring sensor, the fifth infrared monitoring sensor, the sixth infrared monitoring sensor and the camera;

[0052] The first infrared monitoring sensor is located below the LCD combination instrument panel in the vehicle; the second infrared monitoring sensor is located below the multi-function display screen in the central control area in the vehicle; the third infrared monitoring sensor is located in the middle of the intersection of the ceiling and the front window in the vehicle; the fourth infrared monitoring sensor is located on the outer edge of the upper left inner vanity panel; the fifth infrared monitoring sensor is located in the center of the left A-pillar in the vehicle; the sixth infrared monitoring sensor is located above the left front air-conditioning outlet in the vehicle; and the camera is located above the multi-function display screen in the central control area in the vehicle.

[0053] refer to Figure 2 A method for infrared monitoring inside a hydrogen-powered vehicle is implemented based on the infrared monitoring system inside the hydrogen-powered vehicle, and comprises the following steps:

[0054] S10: starting the vehicle, activating the air circulation system, the camera, and the first to sixth infrared monitoring sensors;

[0055] S20: obtaining air flow information in the vehicle through the air circulation system, obtaining clothing information through the camera, and obtaining facial skin temperature information within a time T through the first to sixth infrared monitoring sensors;

[0056] S30: The in-vehicle airflow information, the clothing information and the facial skin temperature information within the time T are transmitted to the air conditioning controller HMC via the CAN bus;

[0057] S40: the air conditioning controller HMC obtains the target temperature in the vehicle within the next time T according to the in-vehicle airflow information, the clothing information and the facial skin temperature information within the time T;

[0058] S50: the air conditioning controller HMC adjusts the air conditioning discharge amount according to the target vehicle temperature within the next time T and the current vehicle temperature;

[0059] S60: If the vehicle remains in the started state, the process returns to step S20, otherwise the process ends.

[0060] Furthermore, in step S20, the step of obtaining the driver's facial skin temperature information within a time T through the first to sixth infrared monitoring sensors includes:

[0061] S201: within a time T, collecting a group of skin temperature information of facial parts corresponding to the first to sixth infrared monitoring sensors at intervals of time t, where t is less than T; in a specific implementation, T can be set to 5 minutes and t can be set to 1 minute, and a total of 5 groups of skin temperature information of corresponding facial parts can be obtained within the time T;

[0062] S202: The skin temperature information of each corresponding facial part is averaged to obtain the facial skin temperature information within time T. In a specific implementation, each group of skin temperature information contains skin temperatures corresponding to 6 facial parts, and all skin temperatures of 5 groups are averaged to obtain the average value, which is the facial skin temperature information within time T.

[0063] Furthermore, the step S40 includes:

[0064] S401: Obtaining a corresponding comfort coefficient n according to the clothing information;

[0065] S402: Obtaining a corresponding type parameter i according to the facial skin temperature information, the clothing information and the in-vehicle airflow information within the time T;

[0066] S403: Calculate and obtain the target temperature H in the vehicle within the next time T according to the corresponding type parameter i and the corresponding comfort coefficient n.

[0067] Furthermore, the corresponding comfort coefficient n is obtained according to the clothing information, specifically:

[0068] If the clothing information is a short-sleeved shirt, the comfort coefficient n is 0.5;

[0069] If the clothing information is a shirt, the comfort coefficient n is 0.7;

[0070] If the clothing information is work clothes, the comfort coefficient n is 0.9;

[0071] If the clothing information is a jacket, the comfort coefficient n is 1.0;

[0072] If the clothing information is a hood sweater, the comfort coefficient n is 1.3;

[0073] In a specific implementation, the judgment criteria for clothing information and the values ​​of the comfort coefficients corresponding to each piece of clothing information may be reset according to different standards and vehicle models.

[0074] Furthermore, the corresponding type parameter i is obtained according to the facial skin temperature information, the clothing information and the in-vehicle airflow information within the time T, specifically:

[0075] If the facial skin temperature information within the time T is between 34° and 36°, and the clothing information is a head cover sweater, and the in-vehicle airflow information is that the vehicle is not ventilated, then the type parameter i is 1;

[0076] If the facial skin temperature information within the time T is between 34° and 36°, and the clothing information is a jacket, and the in-vehicle airflow information is that the vehicle is not ventilated, then the type parameter i is type -8;

[0077] If the facial skin temperature information within the time T is between 36° and 38°, and the clothing information is a short-sleeved shirt, and the in-vehicle airflow information is that the vehicle is not ventilated, then the category parameter i is 10;

[0078] If the facial skin temperature information within the time T is between 36° and 38°, and the clothing information is a head cover sweater, and the in-vehicle airflow information is in-vehicle ventilation, then the type parameter i is 3;

[0079] If the facial skin temperature information within the time T is between 36° and 38°, and the clothing information is a head cover sweater, and the in-vehicle airflow information is that the vehicle is not ventilated, then the category parameter i is 3;

[0080] If the facial skin temperature information within the time T exceeds 38°, and the clothing information is a short-sleeved shirt, and the in-vehicle airflow information is that the vehicle is not ventilated, then the category parameter i is 10;

[0081] If the facial skin temperature information within the time T exceeds 38°, and the clothing information is a head cover sweater, and the in-vehicle airflow information is in-vehicle ventilation, then the type parameter i is 3;

[0082] If the facial skin temperature information within the time T exceeds 38°, and the clothing information is a head cover sweater, and the in-vehicle airflow information is that the vehicle is not ventilated, then the type parameter i is 3;

[0083] In a specific implementation, the judgment criteria for facial skin temperature information, clothing information, and in-vehicle airflow information within the time T, as well as the value of the corresponding type parameter i, can be reset according to different standards and vehicle models.

[0084] Furthermore, the specific formula for calculating the target temperature H in the vehicle within the next time T is:

[0085] H=n*30℃-(6℃-i*0.8℃)

[0086] Among them, n represents the comfort coefficient, i represents the type parameter;

[0087] In specific implementation, the values ​​of the constants in the formula can be reset according to different standards and vehicle models.

[0088] Further, step S50 is specifically as follows:

[0089] If the target temperature in the vehicle within the next time T is greater than the current temperature in the vehicle, the air conditioning controller HMC reduces the air conditioning emission; specifically, the air conditioning emission can be reduced to 70% of the current emission;

[0090] If the target temperature in the vehicle within the next time T is lower than the current temperature in the vehicle, the air conditioning controller HMC increases the air conditioning discharge volume; specifically, the air conditioning discharge volume may be increased to 130% of the current discharge volume;

[0091] If the target vehicle interior temperature within the next time T is equal to the current vehicle interior temperature, the air conditioning controller HMC does not change the air conditioning discharge amount.

[0092] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or system. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or system including the element.

[0093] The serial numbers of the embodiments of the present invention are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments. In a unit claim that lists several means, several of these means may be embodied by the same hardware item. The use of the words first, second, and third, etc. does not indicate any order and these words may be interpreted as identifiers.

[0094] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A hydrogen-powered vehicle interior infrared monitoring method, implemented based on a hydrogen-powered vehicle interior infrared monitoring system, the hydrogen-powered vehicle interior infrared monitoring system comprising: Air circulation system, CAN bus, air conditioning controller HMC, first infrared monitoring sensor, second infrared monitoring sensor, third infrared monitoring sensor, fourth infrared monitoring sensor, fifth infrared monitoring sensor, sixth infrared monitoring sensor and camera; The CAN bus is electrically connected to the air circulation system, the air conditioning controller HMC, the first infrared monitoring sensor, the second infrared monitoring sensor, the third infrared monitoring sensor, the fourth infrared monitoring sensor, the fifth infrared monitoring sensor, the sixth infrared monitoring sensor and the camera; The first infrared monitoring sensor is located below the LCD instrument panel in the vehicle; the second infrared monitoring sensor is located below the multi-function display screen in the center control area of ​​the vehicle; The third infrared monitoring sensor is located in the middle of the intersection of the ceiling and the front window in the car; the fourth infrared monitoring sensor is located on the outer side of the upper left vanity panel in the car; the fifth infrared monitoring sensor is located in the center of the left A-pillar in the car; the sixth infrared monitoring sensor is located above the left front air-conditioning outlet in the car; The camera is located above the multi-function display screen in the central control area of ​​the vehicle; It is characterized by comprising the steps of: S10: starting the vehicle, activating the air circulation system, the camera, and the first to sixth infrared monitoring sensors; S20: obtaining in-vehicle airflow information through the air circulation system, obtaining clothing information through the camera, and obtaining facial skin temperature information within a time T through the first to sixth infrared monitoring sensors; S30: The in-vehicle airflow information, the clothing information and the facial skin temperature information within the time T are transmitted to the air conditioning controller HMC via the CAN bus; S40: the air conditioning controller HMC obtains the target temperature in the vehicle within the next time T according to the in-vehicle airflow information, the clothing information and the facial skin temperature information within the time T; S50: the air conditioning controller HMC adjusts the air conditioning discharge amount according to the target vehicle temperature within the next time T and the current vehicle temperature; S60: If the vehicle remains in the start state, return to step S20, otherwise end the process; The step of obtaining the driver's facial skin temperature information within a time T through the first to sixth infrared monitoring sensors includes: S201: collecting skin temperature information of facial parts corresponding to a group of the first to sixth infrared monitoring sensors at intervals of time t within a time T, where t is less than T; S202: averaging the skin temperature information of the corresponding facial parts to obtain facial skin temperature information within a time period T; The step S40 comprises: S401: Obtaining a corresponding comfort coefficient n according to the clothing information; S402: Obtaining a corresponding type parameter i according to the facial skin temperature information, the clothing information and the in-vehicle airflow information within the time T; S403: Calculating and obtaining a target temperature H in the vehicle within a next time T according to the corresponding type parameter i and the corresponding comfort coefficient n; The corresponding comfort coefficient n is obtained according to the clothing information, specifically: If the clothing information is a short-sleeved shirt, the comfort coefficient n is 0.5; If the clothing information is a shirt, the comfort coefficient n is 0.7; If the clothing information is work clothes, the comfort coefficient n is 0.9; If the clothing information is a jacket, the comfort coefficient n is 1.0; If the clothing information is a hood sweater, the comfort coefficient n is 1.3; The corresponding type parameter i is obtained according to the facial skin temperature information, the clothing information and the in-vehicle airflow information within the time T, specifically: If the facial skin temperature information within the time T is between 34° and 36°, and the clothing information is a head cover sweater, and the in-vehicle airflow information is that the vehicle is not ventilated, then the type parameter i is 1; If the facial skin temperature information within the time T is between 34° and 36°, and the clothing information is a jacket, and the in-vehicle airflow information is that the vehicle is not ventilated, then the type parameter i is type -8; If the facial skin temperature information within the time T is between 36° and 38°, and the clothing information is a short-sleeved shirt, and the in-vehicle airflow information is that the vehicle is not ventilated, then the category parameter i is 10; If the facial skin temperature information within the time T is between 36° and 38°, and the clothing information is a head cover sweater, and the in-vehicle airflow information is in-vehicle ventilation, then the type parameter i is 3; If the facial skin temperature information within the time T is between 36° and 38°, and the clothing information is a head cover sweater, and the in-vehicle airflow information is that the vehicle is not ventilated, then the category parameter i is 3; If the facial skin temperature information within the time T exceeds 38°, and the clothing information is a short-sleeved shirt, and the in-vehicle airflow information is that the vehicle is not ventilated, then the category parameter i is 10; If the facial skin temperature information within the time T exceeds 38°, and the clothing information is a head cover sweater, and the in-vehicle airflow information is in-vehicle ventilation, then the type parameter i is 3; If the facial skin temperature information within the time T exceeds 38°, and the clothing information is a head cover sweater, and the in-vehicle airflow information is that the vehicle is not ventilated, then the type parameter i is 3; The specific formula for calculating the target temperature H in the vehicle within the next time T is: H=n*30℃-(6℃-i*0.8℃) Among them, n represents the comfort coefficient and i represents the type parameter.

2. The method for infrared monitoring inside a hydrogen-powered vehicle according to claim 1, characterized in that: Step S50 is specifically as follows: If the target vehicle interior temperature within the next time T is greater than the current vehicle interior temperature, the air conditioning controller HMC reduces the air conditioning emission; If the target vehicle interior temperature within the next time T is lower than the current vehicle interior temperature, the air conditioning controller HMC increases the air conditioning discharge amount; If the target vehicle interior temperature within the next time T is equal to the current vehicle interior temperature, the air conditioning controller HMC does not change the air conditioning discharge amount.

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