CN108536192B - A heater test control device and control method - Google Patents

Abstract

The invention discloses a heater test control device and a control method. The heater test control device is respectively electrically connected with the electronic control unit and the vehicle heater. The heater test control device includes: a power supply module; a communication module for acquiring the speed signal and torque signal of the vehicle engine collected by the electronic control unit; an acquisition module, It is used to collect the current intake air temperature value of the vehicle heater; the control module is used to obtain the speed signal and torque signal of the vehicle engine, as well as the current intake air temperature value. The signal determines the calibration intake air temperature value, and determines the heating state of the vehicle heater according to the current intake air temperature value and the calibration intake air temperature value. The embodiment of the present invention enables the heater to be tested with the whole vehicle. During the vehicle performance test, the heater can determine the heating state according to the state of the vehicle engine, and can monitor and collect the test data of the heater in real time.

Description

A heater test control device and control method

technical field

Embodiments of the present invention relate to the technical field of engines, and in particular, to a heater test control device and a control method.

Background technique

Before the cold start of the car engine or a period of time after the cold start, the air input into the engine needs to be heated. In order to realize the heating of the intake air of the engine, the intake air heating grille is mostly used to heat the intake air. Therefore, the performance of the intake grille is crucial.

In the prior art, a special test bench is basically used for the test of the intake air heating grille. When the intake air heating grille is tested, the intake air heating grille is placed on the test bench, and the operation of the intake air heating grille is manually controlled. status, and use digital display instrument to measure voltage, current and ambient temperature.

However, using the existing test device to test the intake heating grille, the heater cannot be tested with the whole vehicle, and the state of the heating grille cannot be monitored and data collected during the actual operation of the vehicle. There are few measurement parameters and records. Problems such as difficult data, poor control accuracy, and difficulty in modifying lines.

SUMMARY OF THE INVENTION

The invention provides a heater test control device and a control method, so as to control the working state of the heater according to the working state of the whole vehicle when the heater is tested, and perform real-time monitoring and data collection on the heater.

In a first aspect, an embodiment of the present invention provides a heater test control device, the heater test control device is electrically connected to an electronic control unit and a vehicle heater, respectively, and the heater test control device includes:

The power module is electrically connected to the external power supply and the vehicle heater respectively, and is used for receiving the electric energy supplied by the external power supply, and providing the vehicle heater with electric power for testing to make the vehicle heater operate;

a communication module, electrically connected with the electronic control unit, for acquiring real-time data collected by the electronic control unit, the real-time data including the rotational speed signal and the torque signal of the vehicle engine;

The acquisition module is electrically connected to the vehicle heater and the communication module respectively, and is used to collect the current intake air temperature value of the vehicle heater;

The control module is electrically connected with the communication module, and is used for obtaining the speed signal and torque signal of the vehicle engine through the communication module, as well as obtaining the current intake air temperature value of the vehicle heater, and also for obtaining the speed signal and the current intake air temperature value during the performance test of the whole vehicle. The torque signal determines the calibration intake air temperature value, and determines the heating state of the vehicle heater according to the current intake air temperature value and the calibration intake air temperature value.

Among them, the acquisition module is also used to collect the voltage and current of the heater.

The control module is specifically configured to control the vehicle heater to stop working when it is detected that the current intake air temperature value is greater than or equal to the calibrated intake air temperature value, and,

It is also used to control the vehicle heater to continue to work when it is detected that the current intake air temperature value is less than the calibrated intake air temperature value.

Among them, the test control device is also used to conduct a durability test on the heater, and the durability test includes multiple heating stages and multiple cooling stages.

The acquisition module is used to collect the voltage and current of the heater in the heating stage of the endurance test;

The control module is used to control the heating state, ventilation state and time length of each stage of the heater in each stage, and is also used to determine the durability of the heater according to the voltage and current of the heater.

The control module is also used to pre-store the first threshold voltage and the first threshold current, and if it is detected that the voltage of the heater is greater than the first threshold voltage and/or the current of the heater is greater than the first threshold current, the durability performance of the heater is determined. not to standard.

Wherein, the communication module is also electrically connected with the external data acquisition equipment installed with the data acquisition software, and the communication module is also used for outputting the data collected by the test control device to the external data acquisition equipment.

In the second aspect, the embodiment of the present invention also provides a heater test control method, the heater test control device is electrically connected to the electronic control unit and the vehicle heater, respectively, and the heater test control device includes: a power supply module, which is respectively connected to an external The power supply is electrically connected to the vehicle heater; the communication module is electrically connected to the electronic control unit; the acquisition module is electrically connected to the vehicle heater and the communication module respectively; the control module is electrically connected to the communication module;

The control method includes:

Receive electric power supplied by an external power supply through the power module, and provide test electric power to the vehicle heater to make the vehicle heater run;

Obtain the real-time data collected by the electronic control unit through the communication module, and the real-time data includes the speed signal and torque signal of the vehicle engine;

Collect the current intake air temperature value of the vehicle heater through the acquisition module;

During the vehicle performance test, the calibrated intake air temperature value is determined according to the speed signal and the torque signal, and the heating state of the vehicle heater is determined according to the current intake air temperature value and the calibrated intake air temperature value.

Among them, the heating state of the vehicle heater is determined according to the current intake air temperature value and the calibrated intake air temperature value, including:

When it is detected that the current intake air temperature value is greater than or equal to the calibration intake air temperature value, the vehicle heater is controlled to stop working, and,

When it is detected that the current intake air temperature value is less than the calibrated intake air temperature value, the vehicle heater is controlled to continue to work.

Among them, the test control device is also used to perform a durability test on the heater, and the durability test includes multiple heating stages and multiple cooling stages, and the voltage and current of the heater are collected during the heating stage of the durability test through the acquisition module;

Control the heating state, ventilation state and time length of each stage of the heater in each stage, and determine the durability of the heater according to the voltage and current of the heater.

The first threshold voltage and the first threshold current are stored in advance, and if it is detected that the voltage of the heater is greater than the first threshold voltage and/or the current of the heater is greater than the first threshold current, it is determined that the durability of the heater is not up to standard.

Embodiments of the present invention provide a heater test control device and a control method. The heater test control device is electrically connected to an electronic control unit and a vehicle heater, respectively. The heater test control device includes: a power supply module, a communication module, an acquisition module and a control module. The speed signal and torque signal of the vehicle engine are obtained from the electronic control unit of the vehicle through the communication module, and the current intake air temperature value of the vehicle heater is obtained through the communication module. During the vehicle performance test, the control module determines the speed signal and torque signal according to the Calibrate the intake air temperature value, and determine the heating state of the vehicle heater according to the current intake air temperature value and the calibrated intake air temperature value, so that the heater can be tested with the whole vehicle, and during the vehicle performance test, the heater can be tested according to The state of the vehicle engine determines the heating state, and the test control device can monitor and collect the test data of the heater in real time. The embodiment of the present invention solves the problem that when the existing test device tests the intake air heater, the heater cannot cooperate with the whole vehicle to conduct the test, and the state of the heater cannot be monitored and data collected during the actual operation of the whole vehicle, and the measurement parameters There are few problems, such as difficulty in recording data, poor control accuracy, and difficulty in modifying lines.

Description of drawings

FIG. 1 is a schematic structural diagram of a heater test control device provided in Embodiment 1 of the present invention.

FIG. 2 is a schematic structural diagram of a heater test control device provided in Embodiment 2 of the present invention.

FIG. 3 is a flowchart of a heater test control method provided in Embodiment 3 of the present invention.

FIG. 4 is a flowchart of a heater test control method provided in Embodiment 4 of the present invention.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, the drawings only show some but not all structures related to the present invention.

Example 1

FIG. 1 is a schematic structural diagram of a heater test control device provided in Embodiment 1 of the present invention. This embodiment can be applied to the test of a vehicle heater. The vehicle heater may be a heating grille of a vehicle. The heater test control device 100 is electrically connected to the electronic control unit 150 and the vehicle heater 170 respectively, and the heater test control device 100 includes:

The power module 110 is electrically connected to the external power supply 160 and the vehicle heater 170 respectively, and is used for receiving the electric power supplied by the external power supply 160 and providing the vehicle heater 170 with electric power for testing to make the vehicle heater 170 operate;

The communication module 120, electrically connected with the electronic control unit 150, is used for acquiring real-time data collected by the electronic control unit 150, and the real-time data includes the rotational speed signal and the torque signal of the vehicle engine;

The collection module 130 is electrically connected to the vehicle heater 170 and the communication module 120 respectively, and is used for collecting the current intake air temperature value of the vehicle heater 170;

The control module 140 is electrically connected with the communication module 120, and is used for obtaining the rotational speed signal and the torque signal of the vehicle engine through the communication module 120, as well as obtaining the current intake air temperature value of the vehicle heater 170, and is also used for, during the performance test of the whole vehicle, The calibrated intake air temperature value is determined according to the rotational speed signal and the torque signal, and the heating state of the vehicle heater 170 is determined according to the current intake air temperature value and the calibrated intake air temperature value.

Specifically, the heater test control device 100 is provided with a power module 110, and a power input interface and a power output interface are provided on the test control device. The power module 110 of the test control device is electrically connected to the external power supply 160 through the power input interface to The power supplied by the external power supply 160 is received through the power input interface. When the vehicle heater 170 is tested, the test control device is electrically connected to the vehicle heater 170 through the power output interface, and the vehicle heater 170 can obtain electrical energy from the test control device through the power output interface of the test control device, so that the heater can be tested during the test. power supply is available. Optionally, the power module 110 can output multiple different voltages, the heater can include switches, the switches can include multiple gears, and the output voltage of each gear is different. The tester controls the output of the power module 110 by switching the switch gears. voltage magnitude.

The test control device is provided with a communication module 120, and a plurality of communication interfaces are provided on the test control device. The test control device is electrically connected to the electronic control unit 150 of the vehicle through the communication interface, and the real-time data collected by the electronic control unit of the vehicle 150 can pass through the communication interface. transmitted to the communication module 120 . Exemplarily, the real-time data collected by the electronic control unit 150 may include a rotational speed signal and a torque signal of the engine. The plurality of communication interfaces may be CAN/232 interfaces, and the vehicle electronic control unit 150 is electrically connected to the communication interfaces through a conversion harness.

The test control device is further provided with an acquisition module 130 , and the acquisition module 130 is electrically connected with the vehicle heater 170 and the communication module 120 . Optionally, the acquisition module 130 includes an intake air temperature sensor and an external voltage and current acquisition clamp. When the vehicle heater 170 is tested, the intake air temperature sensor can collect the current intake air temperature value of the heater, and the external voltage and current acquisition clamp is electrically connected to the communication interface of the test control device communication module 120 through the conversion harness. The current collection clamp can transmit the collected voltage and current to the communication module 120 .

When the vehicle heater 170 is tested by using the test control device provided in this embodiment, a vehicle performance test and a simulated performance test can be performed. Among them, when the vehicle performance test is carried out, the test control device can control the working state of the heater in combination with the working state of the engine. Among them, the vehicle performance test may include a low temperature start-up test.

The test control device is provided with a control module 140 , and the control module 140 can obtain the speed signal and torque signal of the vehicle engine and the current intake air temperature value of the vehicle heater 170 through the communication module 120 . It should be noted that each speed and torque of the engine corresponds to a calibrated intake air temperature value, and a plurality of calibrated intake air temperature values and their corresponding relationships with the speed and torque are pre-stored in the control module 140 . The control module 140 is further configured to determine the calibrated intake air temperature value according to the obtained rotational speed and torque during the vehicle performance test, and determine the heating state of the vehicle heater 170 according to the current intake air temperature value and the calibrated intake air temperature value.

Exemplarily, in the low temperature start-up test, the intake air needs to be heated to enable the vehicle to start normally. The intake air temperature sensor of the acquisition module 130 collects the current intake air temperature value in real time, the vehicle electronic control unit 150 collects the rotational speed value and torque value of the engine in real time, the control module 140 obtains the rotational speed value and torque value of the engine through the communication module 120, and through the communication module 120. The communication module 120 obtains the current intake air temperature value of the heater, determines the calibrated intake air temperature value according to the engine speed value and torque value, and finally determines the heating state of the heater according to the current intake air temperature value and the calibrated intake air temperature value.

Optionally, the control module 140 is specifically configured to control the vehicle heater 170 to stop working when it is detected that the current intake air temperature value is greater than or equal to the calibrated intake air temperature value, and is also used to control the vehicle heater 170 to stop working when it is detected that the current intake air temperature value is less than When the intake air temperature value is calibrated, the vehicle heater 170 is controlled to continue to work. If the current intake air temperature value is greater than or equal to the calibrated intake air temperature value, it indicates that the current intake air temperature can meet the intake air temperature conditions at the current engine speed and torque, and the engine can run normally, so the control module 140 controls the heater to stop working On the contrary, it indicates that the current intake air temperature cannot meet the intake air temperature conditions under the current engine speed and torque, and is not conducive to the normal operation of the engine under this temperature condition, so the control module 140 controls the heater to continue to work, and the intake air is subjected to heating.

On the basis of the above solution, the collection module 130 is also used to collect the voltage and current of the heater. For example, when the test control device is used to conduct a vehicle performance test or a simulated performance test on the heater, the voltage and current of the test control device can be collected by collecting equipment such as an external voltage and current collecting clamp. After obtaining the voltage and current of the heater, it is determined whether the heater is working normally according to the voltage and current value.

The embodiment of the present invention provides a heater test control device, which is respectively electrically connected with an electronic control unit and a vehicle heater, and includes a power supply module, a communication module, an acquisition module and a control module. The speed signal and torque signal of the vehicle engine are obtained from the electronic control unit of the vehicle through the communication module, and the current intake air temperature value of the vehicle heater is obtained through the communication module. During the vehicle performance test, the control module determines the speed signal and torque signal according to the Calibrate the intake air temperature value, and determine the heating state of the vehicle heater according to the current intake air temperature value and the calibrated intake air temperature value, so that the heater can be tested with the whole vehicle, and during the vehicle performance test, the heater can be tested according to The state of the vehicle engine determines the heating state, and the test control device can monitor and collect the test data of the heater in real time. The embodiment of the present invention solves the problem that when the existing test device tests the intake air heater, the heater cannot cooperate with the whole vehicle to conduct the test, and the state of the heater cannot be monitored and data collected during the actual operation of the whole vehicle, and the measurement parameters There are few problems, such as difficulty in recording data, poor control accuracy, and difficulty in modifying lines.

Embodiment 2

FIG. 2 is a schematic structural diagram of a heater test control device provided in Embodiment 2 of the present invention. This embodiment is based on the above-mentioned embodiment,

Optionally, the test control device is also used to perform a durability test on the heater, and the durability test includes multiple heating stages and multiple cooling stages,

The collection module 130 is used to collect the voltage and current of the heater in the heating stage of the durability test;

The control module 140 is used to control the heating state, the ventilation state and the time length of each stage of the heater in each stage, and is also used to determine the durability performance of the heater according to the voltage and current of the heater.

Specifically, the durability test of the heater belongs to the simulation test. It is not necessary to combine the operation of the whole vehicle, and an exhaust pipe can be used to simulate the engine. The endurance test includes a plurality of heating stages and a plurality of cooling stages, wherein the plurality of heating stages may include a pre-heating stage and a post-heating stage, and the plurality of cooling stages may include a first cooling stage and a second cooling stage. The pre-heating stage, the first cooling stage, the post-heating stage and the second cooling stage are arranged in sequence to constitute a cycle process of the durability test of the heater. In the preheating stage, the heater can be energized without ventilation to preheat the heater; in the first cooling stage, the heater can be powered off and not ventilated, so that the heater can cool itself; in the post heating stage, the heater can be energized and ventilated to heat The heater heats the intake air and discharges it through the exhaust pipe of the simulated engine; in the second cooling stage, the heater is de-energized and ventilated to cool the heater quickly. When conducting the heater durability test, the above cycle process is repeated many times, for example, 5000 times, and the voltage and current of the heater are collected in real time through the acquisition module 130 during the pre-heating stage and the post-heating stage in each cycle process. The control module 140 may control the heating state and ventilation state of each heater in each heating stage and the time length of each stage. For example, the control module 140 controls the heater to maintain the heating working state in the preheating stage, and controls the heater to not ventilate, and maintains the above heating state and different wind states of the heater as the set time. The control module 140 can obtain the voltage and current of the heater through the communication module 120 in multiple heating stages, such as the above-mentioned pre-heating stage and post-heating stage, and determine the durability of the heater through the obtained voltage and current values of the heater. Whether the target is met.

The test control device includes a program setting interface, and the time length of each stage can be set through the program setting interface. It should be noted that the above ventilation of the heater is to simulate the operation of the engine. After the heater is ventilated, it is discharged through the exhaust pipe (simulation of the engine).

Optionally, the control module 140 is further configured to store the first threshold voltage and the first threshold current in advance, and if it is detected that the voltage of the heater is greater than the first threshold voltage and/or the current of the heater is greater than the first threshold current, determine that the heater is The durability performance is not up to standard.

When the durability test is performed on the heater by using the test control device, the control module 140 determines whether the durability performance of the heater meets the standard according to the voltage value and current value of the heater. The first threshold voltage and the first threshold current are pre-stored in the control module 140, and the heater is in multiple heating stages, such as the above-mentioned pre-heating stage and post-heating stage, the control module 140 obtains the voltage value and current value of the heater in real time, and Comparing the obtained voltage value and current value with the pre-stored first threshold voltage and first threshold current, respectively, if the voltage of the heater is detected to be greater than the first threshold voltage and/or within the cycle times set by the endurance test If the current of the heater is greater than the first threshold current, it indicates that the durability of the heater is not good enough, and it is determined that the durability of the heater does not meet the standard.

Optionally, the communication module 120 is also electrically connected with an external data collection device installed with data collection software, and the communication module 120 is also used for outputting the data collected by the test control device to the external data collection device.

Specifically, the communication module 120 is electrically connected to an external acquisition device 180 installed with data acquisition software. For example, the external acquisition device 180 can be a computer, and the communication module 120 can output the data collected by the test control device to the external data acquisition device to realize In order to quickly collect data when testing the heater, and print and transmit the collected data in real time.

The embodiment of the present invention provides a heater test control device, which can be used to perform a durability test on the heater. During the durability test, the voltage and current of the heater are collected in the heating stage of the acquisition module, and the control module controls the heating state, ventilation state and time length of each stage of the heater in each stage, and according to the voltage and current of the heater The current determines the durability of the heater, and realizes the assessment of the durability of the heater. In addition, the heater test control device provided by the embodiment of the present invention outputs the data collected by the test control device to the external data acquisition device through the communication module, so that when the heater is tested, the data is quickly collected, and the collected data is collected. The received data is printed and transmitted in real time.

Embodiment 3

FIG. 3 is a flowchart of a heater test control method provided in Embodiment 3 of the present invention. The heater test control device is electrically connected to the electronic control unit and the vehicle heater respectively, and the heater test control device includes: a power module, which is electrically connected to the external power supply and the vehicle heater, respectively; a communication module, which is electrically connected to the electronic control unit; The module is electrically connected with the vehicle heater and the communication module respectively; the control module is electrically connected with the communication module. The control method can be implemented by the heater test control device provided by any embodiment of the present invention.

The control method includes:

Step 210: Receive electrical energy supplied by an external power source through the power module, and provide the vehicle heater with electrical energy for testing to make the vehicle heater run;

Step 220: Obtain real-time data collected by the electronic control unit through the communication module, where the real-time data includes the speed signal and the torque signal of the vehicle engine;

Step 230, collecting the current intake air temperature value of the vehicle heater through the collecting module;

During the vehicle performance test, the calibrated intake air temperature value is determined according to the speed signal and the torque signal, and the heating state of the vehicle heater is determined according to the current intake air temperature value and the calibrated intake air temperature value.

Among them, the heating state of the vehicle heater is determined according to the current intake air temperature value and the calibrated intake air temperature value, including:

When it is detected that the current intake air temperature value is greater than or equal to the calibration intake air temperature value, the vehicle heater is controlled to stop working, and,

When it is detected that the current intake air temperature value is less than the calibrated intake air temperature value, the vehicle heater is controlled to continue to work.

The embodiment of the present invention provides a heater test control method. The heater test control device is electrically connected to an electronic control unit and a vehicle heater, respectively. The heater test control device includes a power supply module, a communication module, an acquisition module and a control module. The speed signal and torque signal of the vehicle engine are obtained from the electronic control unit of the vehicle through the communication module, and the current intake air temperature value of the vehicle heater is obtained through the communication module. During the vehicle performance test, the control module determines the speed signal and torque signal according to the Calibrate the intake air temperature value, and determine the heating state of the vehicle heater according to the current intake air temperature value and the calibrated intake air temperature value, so that the heater can be tested with the whole vehicle, and during the vehicle performance test, the heater can be tested according to The state of the vehicle engine determines the heating state, and the test control device can monitor and collect the test data of the heater in real time. The embodiment of the present invention solves the problem that when the existing test device tests the intake air heater, the heater cannot cooperate with the whole vehicle to conduct the test, and the state of the heater cannot be monitored and data collected during the actual operation of the whole vehicle, and the measurement parameters There are few problems, such as difficulty in recording data, poor control accuracy, and difficulty in modifying lines.

Embodiment 4

FIG. 4 is a flowchart of a heater test control method provided in Embodiment 4 of the present invention. This embodiment is based on the above-mentioned fourth embodiment. The heater test control device is electrically connected to the electronic control unit and the vehicle heater, respectively. The heater test control device includes: a power module, which is respectively connected to the external power supply and the vehicle heater. The communication module is electrically connected with the electronic control unit; the acquisition module is electrically connected with the vehicle heater and the communication module respectively; the control module is electrically connected with the communication module.

Optionally, the test control device can be used to perform a durability test on the heater, and the durability test includes multiple heating stages and multiple cooling stages,

When carrying out the durability test, the following steps are included:

Step 240, collecting the voltage and current of the heater in the heating stage of the durability test through the collecting module;

Step 250: Control the heating state, ventilation state and time length of each stage of the heater in each stage, and determine the durability of the heater according to the voltage and current of the heater.

Optionally, before step 240, including:

Step 260, pre-store the first threshold voltage and the first threshold current;

Step 250 includes:

Step 251 , if it is detected that the voltage of the heater is greater than the first threshold voltage and/or the current of the heater is greater than the first threshold current, determine that the durability of the heater does not meet the standard.

The embodiment of the present invention provides a heater test control method, which can control the durability test of the heater. During the durability test, the voltage and current of the heater are collected in the heating stage of the acquisition module, and the control module controls the heating state, ventilation state and time length of each stage of the heater in each stage, and according to the voltage and current of the heater The current determines the durability of the heater, and realizes the assessment of the durability of the heater.

Note that the above are only preferred embodiments of the present invention and applied technical principles. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention. The scope is determined by the scope of the appended claims.

Claims (10)

1. A heater test control device is characterized in that, the heater test control device is electrically connected with an electronic control unit and a vehicle heater respectively, and the heater test control device comprises: a power supply module, which is electrically connected to an external power supply and the vehicle heater respectively, and is used for receiving electric power supplied by the external power supply, and providing the vehicle heater with electric power for testing to make the vehicle heater operate; a communication module, electrically connected to the electronic control unit, for acquiring real-time data collected by the electronic control unit, the real-time data including the rotational speed signal and the torque signal of the vehicle engine; a collection module, which is electrically connected to the vehicle heater and the communication module, respectively, for collecting the current intake air temperature value of the vehicle heater; a control module, which is electrically connected to the communication module, and is used for obtaining the rotational speed signal and the torque signal of the vehicle engine through the communication module, as well as obtaining the current intake air temperature value of the vehicle heater, and is also used for During the performance test, according to the corresponding relationship between the speed signal, the torque signal and the calibrated intake air temperature value, the calibrated intake air temperature value corresponding to the speed signal and the torque signal is determined, and according to the current intake air temperature value and the calibrated intake air temperature value determine a heating state of the vehicle heater. 2 . The test control device according to claim 1 , wherein the acquisition module is further configured to acquire the voltage and current of the heater. 3 . 3 . The test control device according to claim 1 , wherein the control module is specifically configured to control the vehicle when it is detected that the current intake air temperature value is greater than or equal to the calibration intake air temperature value. 4 . The heater stops working, and, It is also used to control the vehicle heater to continue to work when it is detected that the current intake air temperature value is less than the calibrated intake air temperature value. 4 . The test control device according to claim 1 , wherein the test control device is further configured to perform a durability test on the heater, and the durability test includes a plurality of heating stages and a plurality of cooling stages, 5 . The collection module is used to collect the voltage and current of the heater in the heating stage of the durability test; The control module is used for controlling the heating state, the ventilation state and the time length of each stage of the heater in each stage, and is also used for determining the durability of the heater according to the voltage and current of the heater. 5. The test control device according to claim 4, wherein the control module is further configured to store a first threshold voltage and a first threshold current in advance, if it is detected that the voltage of the heater is greater than the first threshold voltage If the threshold voltage and/or the current of the heater is greater than the first threshold current, it is determined that the durability of the heater is not up to standard. 6. test control device according to claim 1, is characterized in that, described communication module is also electrically connected with the external data acquisition equipment that data acquisition software is installed with, and described communication module is also used to collect described test control device The obtained data is output to the external data acquisition device. 7. A heater test control method, characterized in that the heater test control device is electrically connected to an electronic control unit and a vehicle heater respectively, and the heater test control device comprises: a power module, which is respectively connected to an external power supply and a vehicle heater. the vehicle heater is electrically connected; a communication module is electrically connected to the electronic control unit; a collection module is electrically connected to the vehicle heater and the communication module respectively; a control module is electrically connected to the communication module; The control method includes: Receive electric power supplied by the external power source through the power module, and provide the vehicle heater with electric power for testing to make the vehicle heater operate; Obtain real-time data collected by the electronic control unit through the communication module, where the real-time data includes a speed signal and a torque signal of the vehicle engine; Collect the current intake air temperature value of the vehicle heater by the collection module; During the vehicle performance test, according to the corresponding relationship between the speed signal, the torque signal and the calibrated intake air temperature value, the calibrated intake air temperature value corresponding to the speed signal and the torque signal is determined, and according to the current The intake air temperature value and the calibrated intake air temperature value determine a heating state of the vehicle heater. 8 . The control method according to claim 7 , wherein determining the heating state of the vehicle heater according to the current intake air temperature value and the calibrated intake air temperature value comprises: 8 . When it is detected that the current intake air temperature value is greater than or equal to the calibration intake air temperature value, the vehicle heater is controlled to stop working, and, When it is detected that the current intake air temperature value is less than the calibration intake air temperature value, the vehicle heater is controlled to continue to work. 9 . The control method according to claim 7 , wherein the test control device is further configured to perform a durability test on the heater, and the durability test includes a plurality of heating stages and a plurality of cooling stages. The collection module collects the voltage and current of the heater in the heating stage of the durability test; The heating state, ventilation state and time length of each stage of the heater in each stage are controlled, and the durability of the heater is determined according to the voltage and current of the heater. 10. The control method according to claim 9, wherein a first threshold voltage and a first threshold current are stored in advance, and if it is detected that the voltage of the heater is greater than the first threshold voltage and/or the heating If the current of the heater is greater than the first threshold current, it is determined that the durability of the heater is not up to standard.

Images