A test method for vehicle air conditioning of a passenger car remote control system

Abstract

The present invention relates to the field of automobile air conditioning, and in particular to a passenger car remote control system whole vehicle air conditioning test method, comprising: preparing test instruments and determining that the vehicle state and the states of various systems of the vehicle are good, arranging temperature sensors at the points to be measured in the vehicle to be tested, determining that the network environment of a mobile phone and the vehicle is good, user registration and login to an app, information prompt test, remote instant opening and closing test, remote scheduled opening and closing test, remote cancellation of scheduled test, remote opening and defrosting test, comfort test, temperature control test, multi-temperature zone test and passenger car remote control system whole vehicle air conditioning evaluation standard; the method formulated by the present invention and the evaluation standard involved are used to evaluate the function of a passenger car remote control air conditioning system, and the method provides an important reference for studying a passenger car remote control air conditioning system and developing an intelligent and efficient air conditioning system.

Description

Technical Field

[0001] The invention relates to the field of automobile air conditioning, and in particular to a whole-vehicle air conditioning test method for a passenger car remote control system. Background Art

[0002] With the continuous advancement of science and technology and the rapid development of digital products, people's requirements for automobile driving comfort and functionality are getting higher and higher. The traditional air-conditioning system requires the driver and passengers to enter the vehicle and start the car before they can use the in-car control panel to turn on the air-conditioning system and control the temperature and air volume. However, in the hot summer and cold winter, the vehicle is parked for a long time, resulting in problems such as high or low temperature and frosting of the windshield, which seriously affect the driving comfort. Therefore, there is an urgent need for a passenger car remote control system to realize remote control of the air-conditioning system, so that the driving compartment can reach a comfortable temperature in advance and meet the user's multi-faceted needs for air-conditioning settings, thereby improving the user's driving experience;

[0003] In actual use, there is no systematic test method and evaluation standard for the remote control of passenger car air-conditioning systems. Therefore, it is a difficult problem that we need to solve to develop a set of scientific and effective test methods and evaluation standards for carrying out air-conditioning tests of passenger car remote control systems. Summary of the invention

[0004] Therefore, the present invention is based on the fact that people have increasingly higher requirements for automobile driving comfort and functionality, and there is an urgent need for a passenger car remote control system to realize remote control of the air-conditioning system. The problem to be solved is to overcome the defects in the prior art that the temperature is too high or too low due to long-term parking of the vehicle, the windshield is frosted, and the driving comfort is seriously affected. Thus, a whole-vehicle air-conditioning test method of a remote control system for a passenger car is provided, so that the driving compartment reaches a comfortable temperature in advance and the user's multi-faceted needs for air-conditioning settings are met.

[0005] A vehicle air conditioning test method for a remote control system for a passenger vehicle, specifically comprising the following steps:

[0006] Step 1: Prepare the test equipment and make sure the vehicle and its systems are in good condition;

[0007] Step 2: Arrange temperature sensors at the points to be measured on the vehicle to be tested, monitor the temperature changes at each measuring position during the test, use instruments to measure the air volume at the air outlet end, and record all measurement parameters to provide a reference for evaluating the performance of the remote control air conditioning system;

[0008] Step 3: Make sure the mobile phone and vehicle network environment is good, and the user registers and logs in to the app;

[0009] Step 4: Information prompt test: After logging into the APP, enter the air conditioner usage interface and remotely turn on the air conditioner. When the fuel and power levels are lower than the air conditioner start limit, a prompt will be displayed;

[0010] Step 5: Remote instant on / off test: After logging into the APP, enter the air conditioner usage interface, remotely turn on the air conditioner, set any temperature, and remotely turn off the air conditioner after 5 minutes;

[0011] Step 6: Remote scheduled on / off test: After logging into the APP, enter the air conditioner usage interface, remotely operate the scheduled time to turn on the air conditioner, set any temperature, and remotely operate the scheduled time to turn off the air conditioner;

[0012] Step 7: Remotely cancel the reservation test; after logging into the APP, enter the air conditioning interface, schedule to turn on the air conditioning, set the boarding time to 30 minutes after the current time, and cancel the reservation remotely 5 minutes after the current time;

[0013] Step 8: Remotely start the defrost test; place the vehicle in the test environment, log in to the APP, enter the air conditioning use interface, and remotely start the air conditioning defrost mode;

[0014] Step 9: Comfort test: Place the vehicle in the test environment, log in to the APP, enter the air conditioning interface, start the data collection system, turn on the air conditioning remotely, set the comfortable temperature point, and unlock the vehicle locally after 20 minutes;

[0015] Step 10: Temperature control test: Place the vehicle in the test environment, log in to the APP, enter the air conditioning interface, start the data acquisition system, and conduct the test according to the working conditions;

[0016] Step 11: Multi-temperature zone test; place the vehicle in the test environment, log in to the APP, enter the air conditioning usage interface, start the data acquisition system, start recording, and conduct the test according to the working conditions.

[0017] Further, the specific content of step one is:

[0018] 1.1) Confirm that the air conditioning system components are complete, leak-free, and working effectively;

[0019] 1.2) Confirm that the amount of refrigerant in the air conditioning system meets the vehicle technical requirements;

[0020] 1.3) Confirm that the interfaces of the air supply pipeline are not leaking and the valves of each air outlet are flexible to operate;

[0021] 1.4) Confirm that the temperature control switch, air volume control switch, wind direction selection switch, and internal and external circulation control switches are operating normally;

[0022] 1.5) For heating systems equipped with shut-off valves on heating water pipes, confirm that the shut-off valves can be opened and closed normally before testing;

[0023] 1.6) The grille of the air outlet on the blowing side is adjusted to be slightly upward, towards the top of the shoulders of the driver and passengers;

[0024] 1.7) The air tightness of the whole vehicle meets the technical requirements of the whole vehicle;

[0025] 1.8) Confirm that the engine and transmission calibration strategies have reached the final development state;

[0026] 1.9) The radiator fan status and control logic meet the design requirements;

[0027] 1.10) The guard plates, heat shields and decorations around the engine compartment must meet the design requirements;

[0028] 1.11) Remove any camouflage materials in the front area and cabin of the vehicle that may affect or change the temperature in the cabin, and ensure that the air intake volume and direction of the front end of the vehicle are consistent with the design.

[0029] Furthermore, the ambient temperature during the test in step eight is set to -18°C, and the vehicle is placed in a low temperature environment chamber with all doors and windows closed for no less than 10 hours, and 0.044g / cm 2 The amount of water multiplied by the area of ​​the windshield is evenly sprayed onto the outer surface of the glass to form a uniform ice layer. After the ice layer is formed on the windshield, it will remain stable for 30-40 minutes.

[0030] Furthermore, the comfort test in step nine includes summer conditions, spring and autumn conditions, and winter conditions;

[0031] The ambient temperature during the summer operating condition test is 30°C and the light intensity is 1000W / m 2 , put the vehicle in a high temperature environment chamber, close all doors and windows, expose it to the sun for 1 hour, log in to the APP, enter the air conditioning interface, start the data acquisition system, and start recording. Measure and record once every 1 second, turn on the air conditioning remotely, set the comfortable temperature point to Auto25, and unlock the vehicle locally after 20 minutes;

[0032] The ambient temperature during the spring and autumn working condition test was 15°C and the light intensity was 400W / m 2 , put the vehicle in a normal temperature environment chamber, close all doors and windows, park for 2 hours, log in to the APP, enter the air conditioning interface, start the data acquisition system, start recording, measure and record once every 1s, turn on the air conditioning remotely, set the comfortable temperature point to Auto25℃, and unlock the vehicle locally after 20 minutes;

[0033] During the winter operating condition test, the ambient temperature is -20°C. The vehicle is placed in a low-temperature environment chamber, all doors and windows are closed, and parked for no less than 10 hours. After logging into the APP, enter the air-conditioning usage interface, start the data acquisition system, and start recording. Measure and record once every 1 second, turn on the air-conditioning remotely, set the comfort temperature point to Auto25°C, and unlock the vehicle locally after 20 minutes.

[0034] Furthermore, the temperature control test in step 10 includes summer conditions, spring and autumn conditions, and winter conditions:

[0035] The ambient temperature during the summer operating condition test was set at 30°C and the light intensity was 1000W / m 2 , put the vehicle in a high temperature environment chamber, close all doors and windows, expose it to the sun for 1 hour, log in to the APP, enter the air conditioning use interface, start the data acquisition system, start recording, measure and record once every 1s, and conduct tests according to the working conditions;

[0036] The ambient temperature during the spring and autumn working condition test was 15°C and the light intensity was 400W / m 2 , place the vehicle in a normal temperature environment chamber, close all doors and windows, park for 2 hours, log in to the APP, enter the air conditioning use interface, start the data acquisition system, start recording, measure and record once every 1s, and conduct tests according to the working conditions;

[0037] During the winter operating condition test, the ambient temperature is set to -20°C, the vehicle is placed in a low-temperature environment chamber, all doors and windows are closed, and the vehicle is parked for 2 hours. After logging into the APP, the air conditioning use interface is entered, the data acquisition system is started, and recording begins. Every 1 second, measurement and recording are performed once, and tests are performed according to the operating conditions.

[0038] Further, in the step 11, the temperature zones in the multi-temperature zone test include two temperature zones, three temperature zones and four temperature zones;

[0039] The dual temperature zones include the driver's area and the first row right passenger area;

[0040] The three temperature zones include the driver's area, the first row right passenger area and the second row passenger area;

[0041] The four temperature zones include a driver's zone, a first-row right passenger zone, a second-row left passenger zone, and a second-row right passenger zone.

[0042] Furthermore, the multi-temperature zone test in step 11 includes summer conditions, spring and autumn conditions, and winter conditions;

[0043] The ambient temperature during the summer operating condition test was set at 30°C and the light intensity was 1000W / m 2, put the vehicle in a high temperature environment chamber, close all doors and windows, expose it to the sun for 1 hour, log in to the APP, enter the air conditioning use interface, start the data acquisition system, start recording, measure and record once every 1s, and conduct tests according to the working conditions;

[0044] The ambient temperature during the spring and autumn working condition test was 15°C and the light intensity was 400W / m 2 , place the vehicle in a normal temperature environment chamber, close all doors and windows, park for 2 hours, log in to the APP, enter the air conditioning use interface, start the data acquisition system, start recording, measure and record once every 1s, and conduct tests according to the working conditions;

[0045] During the winter operating condition test, the ambient temperature is set to -20°C, the vehicle is placed in a low-temperature environment chamber, all doors and windows are closed, and the vehicle is parked for 2 hours. After logging into the APP, the air conditioning use interface is entered, the data acquisition system is started, and recording begins. Every 1 second, measurement and recording are performed once, and tests are performed according to the operating conditions.

[0046] Further, the points to be measured of the vehicle to be tested in step 2 are the head, knees and feet, air outlet and defrost outlet of the driver's cabin of the vehicle to be tested;

[0047] The head position to be measured is on the longitudinal center plane of the seat, 700 mm above the upper surface of the seat, and 150 mm forward from the front edge of the upper end of the seat back;

[0048] The knee position to be measured is located on the longitudinal center plane of the seat, 100 mm above the highest point of the front edge of the upper surface of the seat cushion and 100 mm forward from the front edge of the upper surface of the seat cushion;

[0049] The foot position to be measured is on the longitudinal center plane of the seat, 20 mm above the vehicle floor, and 300 mm forward from the front edge of the upper surface of the seat cushion;

[0050] The measured air outlet position is the middle position of the end surface of the air outlet of the air conditioner and is 25 mm away from the air outlet surface.

[0051] Furthermore, the test equipment described in step 1 includes: a T-type thermocouple, a handheld anemometer, a bus data recording tool and a smart phone.

[0052] Furthermore, it also includes evaluation standards for the whole vehicle air conditioning of the passenger car remote control system, which are as follows: the information prompt test requires that the mobile phone APP has a low fuel and power prompt; the remote instant opening and closing test requires that the air conditioning system is opened and closed normally; the remote scheduled opening and closing test requires the air conditioning system to be opened and closed on time; the remote cancellation appointment test requires that the air conditioning appointment be cancelled; the remote start-defrost test requires the air conditioning to be in defrost working mode, and the temperature of each defrost outlet is not less than 50°C for 10 minutes; the comfort test requires that the head temperature is not more than 25°C in summer conditions, and it feels comfortable, the head temperature is not less than 25°C in spring and autumn conditions, and it feels comfortable, and the head and foot temperatures are not less than 25°C in winter conditions, and they feel comfortable; the temperature control test requires that the head temperature and air outlet air volume change with the settings; the multi-temperature zone test requires that the head temperature in each area changes synchronously with the set temperature.

[0053] The technical solution of the present invention has the following advantages:

[0054] The present invention conducts actual vehicle tests in an environmental simulation test room. The test environment conditions have high consistency, and the selection of objective test data evaluation indicators such as temperature and air volume is comprehensive. Evaluation standards are formulated to judge the performance of the passenger car remote control vehicle air-conditioning system, which provides an important reference for studying the passenger car remote control air-conditioning system and developing an intelligent and efficient air-conditioning system. BRIEF DESCRIPTION OF THE DRAWINGS

[0055] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0056] Figure 1 is the point and position to be measured in step 2;

[0057] Figure 2 Specific working logic diagram for remote control of air conditioning system;

[0058] Figure 3 Flow chart of vehicle air conditioning test method for remote control system for passenger vehicles;

[0059] Figure 4 This is the specific parameter diagram of the summer working condition of the temperature control test;

[0060] Figure 5 This is the specific parameter diagram of the spring and autumn working conditions of the temperature control test;

[0061] Figure 6 This is the specific parameter diagram of winter working condition for temperature control test;

[0062] Figure 7 This is the specific parameter diagram of the summer working condition of the multi-temperature zone experimental method;

[0063] Figure 8 It is the specific parameter diagram of spring and autumn working conditions of the multi-temperature zone experimental method;

[0064] Fig. 9 This is the specific parameter diagram of winter working conditions of the multi-temperature zone experimental method;

[0065] Fig.10 It is a specific evaluation standard diagram; DETAILED DESCRIPTION

[0066] The technical solution of the present invention will be described clearly and completely below in conjunction with the diagrams. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0067] The terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0068] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0069] See also Figure 2 and Figure 3 A vehicle air conditioning test method for a remote control system for a passenger vehicle, specifically comprising the following steps:

[0070] Step 1: Prepare the test equipment and make sure the vehicle and its systems are in good condition;

[0071] Step 2: Arrange temperature sensors at the points to be measured on the vehicle to be tested, monitor the temperature changes at each measuring position during the test, use instruments to measure the air volume at the air outlet end, and record all measurement parameters to provide a reference for evaluating the performance of the remote control air conditioning system;

[0072] Step 3: Make sure the mobile phone and vehicle network environment is good, and the user registers and logs in to the app;

[0073] Step 4: Information prompt test: After logging into the APP, enter the air conditioner usage interface and remotely turn on the air conditioner. When the fuel and power levels are lower than the air conditioner start limit, a prompt will be displayed;

[0074] Step 5: Remote instant on / off test: After logging into the APP, enter the air conditioner usage interface, remotely turn on the air conditioner, set any temperature, and remotely turn off the air conditioner after 5 minutes;

[0075] Step 6: Remote scheduled on / off test: After logging into the APP, enter the air conditioner usage interface, remotely operate the scheduled time to turn on the air conditioner, set any temperature, and remotely operate the scheduled time to turn off the air conditioner;

[0076] Step 7: Remotely cancel the reservation test; after logging into the APP, enter the air conditioning interface, schedule to turn on the air conditioning, set the boarding time to 30 minutes after the current time, and cancel the reservation remotely 5 minutes after the current time;

[0077] Step 8: Remotely start the defrost test; place the vehicle in the test environment, log in to the APP, enter the air conditioning use interface, and remotely start the air conditioning defrost mode;

[0078] Step 9: Comfort test: Place the vehicle in the test environment, log in to the APP, enter the air conditioning interface, start the data collection system, turn on the air conditioning remotely, set the comfortable temperature point, and unlock the vehicle locally after 20 minutes;

[0079] Step 10: Temperature control test: Place the vehicle in the test environment, log in to the APP, enter the air conditioning interface, start the data acquisition system, and conduct the test according to the working conditions;

[0080] Step 11: Multi-temperature zone test; place the vehicle in the test environment, log in to the APP, enter the air conditioning usage interface, start the data acquisition system, start recording, and conduct the test according to the working conditions.

[0081] The specific content of step one is:

[0082] 1.1) Confirm that the air conditioning system components are complete, leak-free, and working effectively;

[0083] 1.2) Confirm that the amount of refrigerant in the air conditioning system meets the vehicle technical requirements;

[0084] 1.3) Confirm that the interfaces of the air supply pipeline are not leaking and the valves of each air outlet are flexible to operate;

[0085] 1.4) Confirm that the temperature control switch, air volume control switch, wind direction selection switch, and internal and external circulation control switches are operating normally;

[0086] 1.5) For heating systems equipped with shut-off valves on heating water pipes, confirm that the shut-off valves can be opened and closed normally before testing;

[0087] 1.6) The grille of the air outlet on the blowing side is adjusted to be slightly upward, towards the top of the shoulders of the driver and passengers;

[0088] 1.7) The air tightness of the whole vehicle meets the technical requirements of the whole vehicle;

[0089] 1.8) Confirm that the engine and transmission calibration strategies have reached the final development state;

[0090] 1.9) The radiator fan status and control logic meet the design requirements;

[0091] 1.10) The guard plates, heat shields and decorations around the engine compartment must meet the design requirements;

[0092] 1.11) Remove any camouflage materials in the front area and cabin of the vehicle that may affect or change the temperature in the cabin, and ensure that the air intake volume and direction of the front end of the vehicle are consistent with the design.

[0093] The ambient temperature in the test in step 8 is set to -18°C, and the vehicle is placed in a low-temperature environment chamber with all doors and windows closed for no less than 10 hours. 2 The amount of water multiplied by the area of ​​the windshield is evenly sprayed onto the outer surface of the glass to form a uniform ice layer. After the ice layer is formed on the windshield, it will remain stable for 30-40 minutes.

[0094] Furthermore, the comfort test in step nine includes summer conditions, spring and autumn conditions, and winter conditions;

[0095] The ambient temperature during the summer operating condition test is 30°C and the light intensity is 1000W / m 2 , put the vehicle in a high temperature environment chamber, close all doors and windows, expose it to the sun for 1 hour, log in to the APP, enter the air conditioning interface, start the data acquisition system, and start recording. Measure and record once every 1 second, turn on the air conditioning remotely, set the comfortable temperature point to Auto25, and unlock the vehicle locally after 20 minutes;

[0096] The ambient temperature during the spring and autumn working condition test was 15°C and the light intensity was 400W / m 2 , put the vehicle in a normal temperature environment chamber, close all doors and windows, park for 2 hours, log in to the APP, enter the air conditioning interface, start the data acquisition system, start recording, measure and record once every 1s, turn on the air conditioning remotely, set the comfortable temperature point to Auto25℃, and unlock the vehicle locally after 20 minutes;

[0097] During the winter operating condition test, the ambient temperature is -20°C. The vehicle is placed in a low-temperature environment chamber, all doors and windows are closed, and parked for no less than 10 hours. After logging into the APP, enter the air-conditioning usage interface, start the data acquisition system, and start recording. Measure and record once every 1 second, turn on the air-conditioning remotely, set the comfort temperature point to Auto25°C, and unlock the vehicle locally after 20 minutes.

[0098] Furthermore, the temperature control test in step 10 includes summer conditions, spring and autumn conditions, and winter conditions:

[0099] See also Figure 4 The ambient temperature during the summer operating test was set at 30°C and the light intensity was 1000W / m 2 , put the vehicle in a high temperature environment chamber, close all doors and windows, expose it to the sun for 1 hour, log in to the APP, enter the air conditioning use interface, start the data acquisition system, start recording, measure and record once every 1s, and conduct tests according to the working conditions;

[0100] See also Figure 5 The ambient temperature during the spring and autumn working condition test was 15°C and the light intensity was 400W / m 2 , place the vehicle in a normal temperature environment chamber, close all doors and windows, park for 2 hours, log in to the APP, enter the air conditioning use interface, start the data acquisition system, start recording, measure and record once every 1s, and conduct tests according to the working conditions;

[0101] See also Figure 6 During the winter operating condition test, the ambient temperature is set to -20°C. The vehicle is placed in a low-temperature environment chamber, all doors and windows are closed, and parked for 2 hours. After logging into the APP, the air conditioning use interface is entered, the data acquisition system is started, and recording is started. Every 1 second, measurement and recording are performed once, and tests are performed according to the operating conditions.

[0102] In the multi-temperature zone test of step 11, the temperature zones include double temperature zones, triple temperature zones and quadruple temperature zones;

[0103] The dual temperature zones include the driver's area and the first row right passenger area;

[0104] The three temperature zones include the driver's area, the first row right passenger area and the second row passenger area;

[0105] The four temperature zones include a driver's zone, a first-row right passenger zone, a second-row left passenger zone, and a second-row right passenger zone.

[0106] The multi-temperature zone test in step 11 includes summer conditions, spring and autumn conditions, and winter conditions;

[0107] See also Figure 7The ambient temperature during the summer operating test was set at 30°C and the light intensity was 1000W / m 2 , put the vehicle in a high temperature environment chamber, close all doors and windows, expose it to the sun for 1 hour, log in to the APP, enter the air conditioning use interface, start the data acquisition system, start recording, measure and record once every 1s, and conduct tests according to the working conditions;

[0108] See also Figure 8 The ambient temperature during the spring and autumn working condition test was 15°C and the light intensity was 400W / m 2 , place the vehicle in a normal temperature environment chamber, close all doors and windows, park for 2 hours, log in to the APP, enter the air conditioning use interface, start the data acquisition system, start recording, measure and record once every 1s, and conduct tests according to the working conditions;

[0109] See also Fig. 9 During the winter operating condition test, the ambient temperature is set to -20°C. The vehicle is placed in a low-temperature environment chamber, all doors and windows are closed, and parked for 2 hours. After logging into the APP, the air conditioning use interface is entered, the data acquisition system is started, and recording is started. Every 1 second, measurement and recording are performed once, and tests are performed according to the operating conditions.

[0110] See also Figure 1 , the points to be measured of the vehicle to be tested in step 2 are the head, knees and feet, air outlet and defrost outlet of the driving compartment of the vehicle to be tested;

[0111] The head position to be measured is on the longitudinal center plane of the seat, 700 mm above the upper surface of the seat, and 150 mm forward from the front edge of the upper end of the seat back;

[0112] The knee position to be measured is located on the longitudinal center plane of the seat, 100 mm above the highest point of the front edge of the upper surface of the seat cushion and 100 mm forward from the front edge of the upper surface of the seat cushion;

[0113] The foot position to be measured is on the longitudinal center plane of the seat, 20 mm above the vehicle floor, and 300 mm forward from the front edge of the upper surface of the seat cushion;

[0114] The measured air outlet position is the middle position of the end surface of the air outlet of the air conditioner and is 25 mm away from the air outlet surface.

[0115] The test equipment described in step 1 includes: a T-type thermocouple, a handheld anemometer, a bus data recording tool and a smart phone.

[0116] See also Fig.10, also includes the evaluation standards for the whole vehicle air conditioning of the passenger car remote control system, which are as follows: the information prompt test requires that the mobile phone APP has a low fuel and power prompt; the remote instant opening and closing test requires the air conditioning system to be opened and closed normally; the remote scheduled opening and closing test requires the air conditioning system to be opened and closed on time; the remote cancellation appointment test requires the air conditioning appointment to be canceled; the remote opening and defrosting test requires the air conditioning to be in defrosting working mode, and the temperature of each defrosting outlet is not less than 50℃ for 10 minutes; the comfort test requires that the head temperature is not more than 25℃ in summer conditions, and it feels comfortable; the head temperature is not less than 25℃ in spring and autumn conditions, and it feels comfortable; the head and foot temperatures are not less than 25℃ in winter conditions, and they feel comfortable; the temperature control test requires that the head temperature and air outlet air volume change with the settings; the multi-temperature zone test requires that the head temperature in each area changes synchronously with the set temperature.

Claims

1. A vehicle air conditioning test method for a remote control system for a passenger vehicle, characterized in that: The specific steps include: Step 1: Prepare the test equipment and make sure the vehicle and its systems are in good condition; Step 2: Arrange temperature sensors at the points to be measured on the vehicle to be tested, monitor the temperature changes at each measuring position during the test, use instruments to measure the air volume at the air outlet end, and record all measurement parameters to provide a reference for evaluating the performance of the remote control air conditioning system; Step 3: Make sure the mobile phone and vehicle network environment is good, and the user registers and logs in to the app; Step 4: Information prompt test: After logging into the APP, enter the air conditioner usage interface and remotely turn on the air conditioner. When the fuel and power levels are lower than the air conditioner start limit, a prompt will be displayed; Step 5: Remote instant on / off test: After logging into the APP, enter the air conditioner usage interface, remotely turn on the air conditioner, set any temperature, and remotely turn off the air conditioner after 5 minutes; Step 6: Remote scheduled on / off test: After logging into the APP, enter the air conditioner usage interface, remotely operate the scheduled time to turn on the air conditioner, set any temperature, and remotely operate the scheduled time to turn off the air conditioner; Step 7: Remotely cancel the reservation test; after logging into the APP, enter the air conditioning interface, schedule to turn on the air conditioning, set the boarding time to 30 minutes after the current time, and cancel the reservation remotely 5 minutes after the current time; Step 8: Remotely start the defrost test; place the vehicle in the test environment, log in to the APP, enter the air conditioning use interface, and remotely start the air conditioning defrost mode; Step 9: Comfort test: Place the vehicle in the test environment, log in to the APP, enter the air conditioning interface, start the data collection system, turn on the air conditioning remotely, set the comfortable temperature point, and unlock the vehicle locally after 20 minutes; Step 10: Temperature control test: Place the vehicle in the test environment, log in to the APP, enter the air conditioning interface, start the data acquisition system, and conduct the test according to the working conditions; Step 11: Multi-temperature zone test: Place the vehicle in the test environment, log in to the APP, enter the air conditioning interface, start the data acquisition system, start recording, and conduct the test according to the working conditions; The comfort test in step nine includes summer conditions, spring and autumn conditions, and winter conditions; The ambient temperature during the summer operating condition test is 30°C and the light intensity is 1000W / m 2 , put the vehicle in a high temperature environment chamber, close all doors and windows, expose it to the sun for 1 hour, log in to the APP, enter the air conditioning interface, start the data acquisition system, start recording, measure and record once every 1 second, turn on the air conditioning remotely, set the comfortable temperature point to Auto25, and unlock the vehicle locally after 20 minutes; The ambient temperature during the spring and autumn working condition test was 15°C and the light intensity was 400W / m 2 , put the vehicle in a normal temperature environment chamber, close all doors and windows, park for 2 hours, log in to the APP, enter the air conditioning interface, start the data acquisition system, start recording, measure and record once every 1s, turn on the air conditioning remotely, set the comfortable temperature point to Auto25℃, and unlock the vehicle locally after 20 minutes; The ambient temperature during the winter operating condition test is -20°C. The vehicle is placed in a low-temperature environment chamber with all doors and windows closed for no less than 10 hours. After logging into the APP, the air conditioning interface is entered, the data acquisition system is started, and recording is started. Every 1 second, measurement and recording are performed once. The air conditioning is turned on remotely, and the comfort temperature point is set to Auto25°C. After 20 minutes, the vehicle is unlocked locally. The temperature control test in step 10 includes summer conditions, spring and autumn conditions, and winter conditions: The ambient temperature during the summer operating condition test was set at 30°C and the light intensity was 1000W / m 2 , put the vehicle in a high temperature environment chamber, close all doors and windows, expose it to the sun for 1 hour, log in to the APP, enter the air conditioning use interface, start the data acquisition system, start recording, measure and record once every 1s, and conduct tests according to the working conditions; The ambient temperature during the spring and autumn working condition test was 15°C and the light intensity was 400W / m 2 , place the vehicle in a normal temperature environment chamber, close all doors and windows, park for 2 hours, log in to the APP, enter the air conditioning use interface, start the data acquisition system, start recording, measure and record once every 1s, and conduct tests according to the working conditions; During the winter operating condition test, the ambient temperature is set to -20°C. The vehicle is placed in a low temperature environment chamber, all doors and windows are closed, and the vehicle is parked for 2 hours. After logging into the APP, the air conditioning use interface is entered, the data acquisition system is started, and recording is started. Every 1 second, measurement and recording are performed once, and tests are performed according to the operating conditions. In the multi-temperature zone test of step 11, the temperature zones include double temperature zones, triple temperature zones and quadruple temperature zones; The dual temperature zones include the driver's area and the first row right passenger area; The three temperature zones include the driver's area, the first row right passenger area and the second row passenger area; The four temperature zones include the driver's zone, the first row right passenger zone, the second row left passenger zone and the second row right passenger zone; The multi-temperature zone test in step 11 includes summer conditions, spring and autumn conditions, and winter conditions; The ambient temperature during the summer operating condition test was set at 30°C and the light intensity was 1000W / m 2 , put the vehicle in a high temperature environment chamber, close all doors and windows, expose it to the sun for 1 hour, log in to the APP, enter the air conditioning use interface, start the data acquisition system, start recording, measure and record once every 1s, and conduct tests according to the working conditions; The ambient temperature during the spring and autumn working condition test was 15°C and the light intensity was 400W / m 2 , place the vehicle in a normal temperature environment chamber, close all doors and windows, park for 2 hours, log in to the APP, enter the air conditioning use interface, start the data acquisition system, start recording, measure and record once every 1s, and conduct tests according to the working conditions; During the winter operating condition test, the ambient temperature is set to -20°C. The vehicle is placed in a low temperature environment chamber, all doors and windows are closed, and the vehicle is parked for 2 hours. After logging into the APP, the air conditioning use interface is entered, the data acquisition system is started, and recording is started. Every 1 second, measurement and recording are performed once, and tests are performed according to the operating conditions. The points to be measured of the vehicle to be tested in step 2 are the head, knees, feet, and air outlet of the driver's cabin of the vehicle to be tested; The head position to be measured is on the longitudinal center plane of the seat, 700mm above the upper surface of the seat, and 150mm forward from the front edge of the upper end of the seat back; The knee position to be measured is on the longitudinal center plane of the seat, 100 mm above the highest point of the front edge of the upper surface of the seat cushion and 100 mm forward from the front edge of the upper surface of the seat cushion; The foot position to be measured is on the longitudinal center plane of the seat, 20 mm above the vehicle floor, and 300 mm forward from the front edge of the upper surface of the seat cushion; The measured air outlet position is the middle position of the air conditioner outlet end surface and is 25mm away from the outlet surface; The method also includes a passenger car remote control system vehicle air conditioning evaluation standard, the standard is: the information prompt test requires that the mobile phone APP has a low fuel and power prompt; the remote instant opening and closing test requires the air conditioning system to be opened and closed normally; the remote scheduled opening and closing test requires the air conditioning system to be opened and closed on time; the remote cancellation appointment test requires the air conditioning appointment to be canceled; the remote opening and defrosting test requires the air conditioning to be in defrosting working mode, and the temperature of each defrosting air outlet is not less than 50°C for 10 minutes; the comfort test requires that the head temperature is not more than 25°C in summer conditions, and it feels comfortable, the head temperature is not less than 25°C in spring and autumn conditions, and it feels comfortable, and the head and foot temperatures are not less than 25°C in winter conditions, and they feel comfortable; the temperature control test requires that the head temperature and air outlet air volume change with the settings; the multi-temperature zone test requires that the head temperature in each area changes synchronously with the set temperature.

2. The method according to claim 1, characterized in that The specific content of step one is: 1.1) Confirm that the air conditioning system components are complete, leak-free, and working effectively; 1.2) Confirm that the amount of refrigerant in the air conditioning system meets the vehicle technical requirements; 1.3) Confirm that the interfaces of the air supply pipeline are not leaking and the valves of each air outlet are flexible to operate; 1.4) Confirm that the temperature control switch, air volume control switch, wind direction selection switch, and internal and external circulation control switches are operating normally; 1.5) For heating systems equipped with shut-off valves on heating water pipes, confirm that the shut-off valves can be opened and closed normally before testing; 1.6) The grille of the air outlet on the blowing side is adjusted to be slightly upward, towards the top of the shoulders of the driver and passengers; 1.7) The air tightness of the whole vehicle meets the technical requirements of the whole vehicle; 1.8) Confirm that the engine and transmission calibration strategies have reached the final development state; 1.9) The radiator fan status and control logic meet the design requirements; 1.10) The guard plates, heat shields and decorations around the engine compartment must meet the design requirements; 1.11) Remove any camouflage materials in the front area and cabin of the vehicle that may affect or change the temperature in the cabin, and ensure that the air intake volume and direction of the front end of the vehicle are consistent with the design.

3. The method according to claim 1, characterized in that The ambient temperature in the test in step 8 is set to -18°C, and the vehicle is placed in a low-temperature environment chamber with all doors and windows closed for no less than 10 hours. 2 The amount of water multiplied by the area of ​​the windshield is evenly sprayed onto the outer surface of the glass to form a uniform ice layer. After the ice layer is formed on the windshield, it will remain stable for 30-40 minutes.

4. The method according to claim 1, characterized in that The test equipment described in step 1 includes: a T-type thermocouple, a handheld anemometer, a bus data recording tool and a smart phone.

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