Condensate water collecting device and control method

Abstract

The invention relates to the field of automobiles, in particular to a condensate water collecting device and a control method. The device comprises a gas-liquid separation device, a liquid collection device, a liquid level sensor and a first switch, an inlet of the gas-liquid separation device is connected with a gas outlet of the supercharging intercooler, and the gas-liquid separation device is used for carrying out gas-liquid separation on mixed gas output by the supercharging intercooler to obtain separated gas and liquid; an outlet of the gas-liquid separation device is connected with a gas inlet of an engine, and the gas-liquid separation device is used for conveying gas obtained after gas-liquid separation to the engine through the gas inlet of the engine; the liquid collection device is connected with the gas-liquid separation device and is used for storing liquid obtained after gas-liquid separation; the liquid level sensor is used for detecting the liquid level of liquid stored in the liquid collecting device; and the first switch is used for discharging the liquid stored in the liquid collecting device.

Description

Technical Field

[0001] The present application relates to the automotive field, and in particular to a condensed water collection device and a control method. Background Art

[0002] The engine exhaust gas recirculation (EGR) system has significantly improved the energy conservation, emission reduction and anti-knock performance of the engine, and its application in automobiles is becoming more and more extensive. Among them, the low-pressure EGR system is an EGR solution commonly equipped for turbocharged engine vehicles. The water content in the engine exhaust gas is relatively high. After passing through the turbocharger intercooler, most of the water vapor before the intercooler is condensed into water droplets and mixed in the intake system after the engine intercooler, and then enters the engine cylinder to participate in combustion. The greater the EGR conversion rate, the more water droplets are formed, which in turn causes more water to participate in the combustion of the engine, ultimately leading to unstable engine combustion, misfires, jitters, and even damage to the engine. The commonly used solution for EGR condensed water on the market is to limit the EGR conversion rate and reduce the probability of condensed water formation. However, this method sacrifices some of the energy conservation, emission reduction and anti-knock benefits brought by the EGR system. Summary of the invention

[0003] In view of this, the present application provides a condensed water collection device and control method, which separates the mixed gas discharged from the supercharger intercooler into gas-liquid separation, and collects the separated liquid into a liquid collection device to prevent the liquid from participating in the combustion of the engine without limiting the EGR conversion rate.

[0004] In a first aspect, an embodiment of the present invention provides a condensed water collection device, comprising:

[0005] A gas-liquid separation device, a liquid collecting device, a liquid level sensor and a first switch;

[0006] The inlet of the gas-liquid separation device is connected to the gas outlet of the supercharger intercooler, and is used to separate the mixed gas output by the supercharger intercooler into gas and liquid to obtain separated gas and liquid;

[0007] The outlet of the gas-liquid separation device is connected to the air inlet of the engine, so as to deliver the gas obtained after gas-liquid separation to the engine through the air inlet of the engine;

[0008] The liquid collecting device is connected to the gas-liquid separation device and is used to store the liquid obtained after the gas-liquid separation;

[0009] The liquid level sensor is used to detect the liquid level of the liquid stored in the liquid collecting device;

[0010] The first switch is used to discharge the liquid stored in the liquid collecting device.

[0011] In a possible implementation, the device further includes a processing module;

[0012] The processing module is connected to the liquid level sensor and is used to obtain the liquid level collected by the liquid level sensor;

[0013] The processing module is also connected to the first switch and is used to control the opening and closing of the first switch.

[0014] In a second aspect, an embodiment of the present invention provides a control method for a water collection device, comprising:

[0015] Acquiring the liquid level of the liquid stored in the liquid collecting device by means of the liquid level sensor;

[0016] When it is detected that the liquid level of the liquid stored in the liquid collection device is greater than or equal to a first threshold, the first switch is controlled to open to discharge the liquid stored in the liquid collection device;

[0017] When the liquid level sensor detects that the liquid level in the liquid collecting device is less than or equal to a second threshold, the first switch is controlled to be closed; wherein the second threshold is less than the first threshold.

[0018] In a possible implementation manner, after controlling the first switch to be turned on, the method further includes:

[0019] If the liquid level in the liquid collection device is not detected to drop within the first time period, it is determined that a drainage failure occurs;

[0020] Control the engine exhaust gas recirculation valve to close for fault detection.

[0021] In a possible implementation, controlling the engine exhaust gas recirculation valve to close for fault detection includes:

[0022] determining whether an engine misfire signal is detected within a second time period;

[0023] If the engine misfire signal is detected, it is determined that the cause of the fault is a fault in the first switch.

[0024] In a possible implementation, if the engine misfire signal is not detected within the second time period, it is determined that the fault cause is a fault in the liquid level sensor.

[0025] In a possible implementation, the method further includes:

[0026] The engine exhaust gas recirculation valve opening is adjusted to reduce the conversion rate of the engine exhaust gas recirculation system to a target threshold.

[0027] In a third aspect, an embodiment of the present invention provides an electronic device, including:

[0028] at least one processor; and

[0029] at least one memory in communication with the processor, wherein:

[0030] The memory stores program instructions executable by the processor, and the processor calls the program instructions to execute the method described in the first aspect.

[0031] In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, wherein the computer-readable storage medium stores computer instructions, and the computer instructions enable the computer to execute the method described in the first aspect.

[0032] In an embodiment of the present invention, the gas output by the supercharger intercooler is separated into gas and liquid by a gas-liquid separation device and then the separated gas is input into the engine to participate in combustion, thereby avoiding problems such as unstable engine combustion, misfire and jitter caused by condensed water entering the engine. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0034] Figure 1 A schematic structural diagram of a condensed water collection device provided in an embodiment of the present invention;

[0035] Figure 2 A flow chart of a control method for a water collection device provided by an embodiment of the present invention;

[0036] Figure 3 A schematic structural diagram of another condensed water collection device provided in an embodiment of the present invention;

[0037] Figure 4 A schematic diagram of the structure of an electronic device provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0038] In order to better understand the technical solution of the present application, the embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0039] It should be clear that the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0040] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the embodiments of the present application and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings.

[0041] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0042] In order to solve the problem in the EGR system that most of the water vapor before the intercooler condenses into water droplets after passing through the turbocharger intercooler and mixes in the intake system after the engine intercooler, an embodiment of the present invention provides a condensed water collection device. Figure 1 The schematic diagram of the structure of a condensed water collection device provided by an embodiment of the present invention. Figure 1 As shown in , the water collecting device includes: a gas-liquid separation device 101 , a liquid collecting device 102 , a liquid level sensor 103 and a first switch 104 .

[0043] The gas-liquid separation device 101 is provided with an inlet 1011 and an outlet 1012. The inlet 1011 of the gas-liquid separation device 101 is connected to the gas outlet of the supercharger intercooler (not shown in the figure) to separate the mixed gas output by the supercharger intercooler into gas and liquid to obtain separated gas and liquid.

[0044] The outlet 1012 of the gas-liquid separation device 101 is connected to the air intake of the engine (not shown in the figure) to transport the gas obtained after gas-liquid separation to the engine through the air intake of the engine.

[0045] The liquid collecting device 102 is connected to the gas-liquid separation device 101 and is used to store the liquid obtained after the gas-liquid separation.

[0046] The liquid level sensor 103 is used to detect the liquid level of the liquid stored in the liquid collecting device 102 .

[0047] The first switch 104 is used to discharge the liquid stored in the liquid collection device 102. Specifically, the first switch 104 is disposed at the bottom of the liquid collection device 102. When the first switch 104 is turned on, the liquid stored in the liquid collection device 102 flows through the first switch 104 to a drainage pipeline (not shown in the figure), and is discharged to a water tank or other equipment of the vehicle through the drainage pipeline for further storage and reuse.

[0048] In some embodiments, the gas-liquid separation device 101 can perform gas-liquid separation on the mixed gas output by the supercharger intercooler based on different gas-liquid separation principles. For example, the gas-liquid separation device 101 can be implemented to perform gas-liquid separation based on the gravity separation principle, and multiple guide plates are set in the gas-liquid separation device 101. When the gas flows through the guide plate, it encounters less resistance and can smoothly pass through the guide plate and flow toward the top of the gas-liquid separation device. The liquid in it is intercepted by the guide plate and flows downward along the guide plate, thereby separating the gas and liquid.

[0049] In another implementation, the gas-liquid separation device 101 can also be implemented to separate the mixed gas output from the supercharger intercooler into gas and liquid based on the inertial separation principle. Specifically, the inlet in the gas-liquid separation device 101 is set at a certain angle, or a flow guide device is provided, so that the mixed gas output from the supercharger intercooler has a certain speed when entering the gas separation device 101, and changes the flow direction after entering the gas separation device 101. Since the mass of the liquid is much greater than the mass of the gas. The inertia of the liquid part is greater than that of the gas part, and it is not easy to change the flow direction, so the gas and liquid are separated under the action of inertia.

[0050] In another implementation, the gas-liquid separation device 101 can also be implemented to separate the mixed gas output by the supercharger intercooler into gas and liquid based on the filtering separation principle. Specifically, the gas-liquid separation device 101 can be provided with a filtering device, which can filter out smaller liquid particles or impurities. When the liquid in the mixed gas passes through the filtering device, it is intercepted by the filter screen to form a liquid layer, and finally flows into the liquid collection device 102. The gas passes through the filter screen and enters the engine to participate in combustion.

[0051] In some embodiments, the condensed water collection device further includes a processing module. The processing module is connected to the liquid level sensor 103 and is used to obtain the liquid level of the liquid stored in the liquid collection device 102 collected by the liquid level sensor 103. In addition, the processing module is also connected to the first switch and is used to control the opening and closing of the first switch 104.

[0052] Corresponding to the above-mentioned condensed water collection device, an embodiment of the present invention provides a control method for a corresponding water collection device. Figure 2 Flow chart of a control method of a water collection device provided by an embodiment of the present invention. Figure 2As shown in , the method includes:

[0053] Step 201, obtaining the liquid level of the liquid stored in the liquid collection device through a liquid level sensor.

[0054] Step 202: When it is detected that the liquid level of the liquid stored in the liquid collection device is greater than or equal to a first threshold, the first switch is controlled to open to discharge the liquid stored in the liquid collection device.

[0055] Step 203: When the liquid level in the liquid collecting device is detected by the liquid level sensor to be less than or equal to a second threshold, the first switch is controlled to be closed, wherein the second threshold is less than the first threshold.

[0056] In some embodiments, the first switch can be implemented in the form of a solenoid valve. The discharge speed of the liquid in the liquid collection device is controlled by controlling the opening of the solenoid valve. The solenoid valve can be specifically implemented as a direct-acting solenoid valve, a step-by-step direct-acting solenoid valve, a pilot-operated solenoid valve, etc. When the processing module detects through the liquid level sensor that the liquid level of the liquid collection device is greater than or equal to the first threshold, the solenoid valve is controlled to open to discharge the liquid in the liquid collection device. When the liquid level drops to the second threshold, the solenoid valve is controlled to close and stop discharging the liquid.

[0057] In some embodiments, after the first switch is opened for drainage, if the liquid level in the liquid collection device is not detected to drop within the first time period, it can be determined that a drainage fault has occurred, and a fault detection is required to determine the cause of the fault. Specifically, the EGR valve can be controlled to be closed first to perform specific fault detection. Specifically, after the EGR valve is closed, if an engine misfire signal is detected, it means that the first switch is normal, so it can be determined that the cause of the fault is a fault in the liquid level sensor. The principle is that when the liquid level is greater than the first threshold, there is too much liquid stored in the liquid collection device, resulting in overflow. The overflowed liquid may participate in the combustion of the engine and cause the engine to shake, incomplete combustion, and then trigger the engine misfire signal. When the EGR valve is closed, there is no longer a mixed gas input at the inlet of the gas-liquid separation device, and the stored liquid in the liquid collection device will no longer increase. If the engine misfire signal can still be detected after the second time period of closing the EGR valve, it means that the liquid in the liquid collection device has not been discharged within the second time period, so it means that the first switch has a stuck fault.

[0058] If no engine misfire signal is detected within the second time period, it means that the liquid level in the liquid collection device has dropped and the liquid has been discharged. In addition, the liquid level detected by the liquid level sensor has not changed within the second time period. Therefore, it means that the first switch has not failed and the liquid can be discharged normally, so it means that the liquid level sensor has failed.

[0059] After determining that the cause of the fault is a first switch failure, in order to avoid further damage to the engine, the EGR valve opening can be adjusted to reduce the conversion rate of the EGR system to the target threshold, thereby limiting the EGR rate and the engine no longer sends a misfire signal.

[0060] Figure 3 A schematic diagram of the structure of another condensed water collection device provided by an embodiment of the present invention. Figure 3 As shown in , the liquid collection device and the gas-liquid separation device are integrated in the device. The gas-liquid separation is performed by using the gravity separation principle and the inertia separation principle at the same time. Specifically, the device includes an air inlet 301, a gas-liquid separation collection device 302, an air outlet 303, a liquid level sensor 304, a solenoid valve 305 and a drain pipe 306. Among them, the air inlet 301 is connected to the supercharged intercooler, and the mixed gas output by the supercharged intercooler enters the gas-liquid separation collection device 302 through the air inlet 301. After entering the gas-liquid separation collection device 302, the mixed gas impacts the side wall of the gas-liquid separation collection device 302 under the action of inertia. The liquid part of the mixed gas is mounted on the side wall inside the gas-liquid separation collection device 302, and flows downward under the action of gravity, and is finally stored by the gas-liquid separation collection device 302. The gas part of the mixed gas reaches the air outlet 303 under the action of inertia. The gas outlet 303 is connected to the gas flow pipeline of the engine. Therefore, the gas part of the mixed gas enters the gas flow pipeline of the engine after passing through the gas outlet 303, and then participates in the engine combustion.

[0061] The solenoid valve 305 is used to discharge the liquid stored in the gas-liquid separation collection device 302. The liquid level sensor 304 detects the liquid level of the liquid stored in the gas-liquid separation collection device 302 as a feedback signal of the solenoid valve 305. When the liquid level is higher than the first threshold, the solenoid valve 305 is controlled to open, and the liquid stored in the gas-liquid separation collection device 302 flows into the drain pipe 306 through the solenoid valve 305, and then flows to the vehicle water tank through the drain pipe 306.

[0062] Then in the Figure 3 When the water collecting device shown is controlled, the liquid level of the liquid stored in the gas-liquid separation collection device 302 can be first detected in real time by the liquid level sensor 304. When the liquid level is greater than or equal to the first threshold, the solenoid valve 305 is controlled to open and the liquid is discharged. If the liquid level drops to the second threshold within the first time period, the solenoid valve 305 is controlled to close and the liquid discharge is stopped. If the liquid level does not drop to the second threshold within the first time period, the liquid level is close to the gas outlet 303 at this time because the gas-liquid separation collection device 302 stores too much liquid. Therefore, the liquid stored in the gas-liquid separation collection device 302 will enter the engine airflow pipeline through the gas outlet 303, participate in the engine combustion, and then cause abnormalities such as engine jitter, thereby triggering an engine misfire signal.

[0063] After receiving the engine misfire signal, the EGR valve is controlled to close to prevent the liquid stored in the gas-liquid separation collection device 302 from further increasing. Then, it is determined whether the misfire signal disappears within the preset time. If it disappears, it means that the liquid level has dropped, the liquid stored in the gas-liquid separation device 302 can be discharged normally, and the solenoid valve 305 is not faulty. At this time, it is determined whether the liquid level detected by the liquid level sensor 304 has not changed. If so, it means that the liquid level sensor 304 has failed.

[0064] If the misfire signal does not disappear within the preset time after the EGR valve is closed, it means that the liquid level has not dropped, the liquid stored in the gas-liquid separation and collection device 302 cannot be discharged normally, and the solenoid valve 305 is faulty. Therefore, the EGR rate can be limited until the misfire signal disappears. In this way, the engine is protected in the event of a failure of the solenoid valve 305.

[0065] In some embodiments, when the vehicle bumps during driving, the liquid stored in the gas-liquid separation collection device 302 enters the engine airflow pipeline through the air outlet 303 under the influence of the vehicle bumps. Therefore, the current state of the vehicle can be obtained through the vehicle bus (such as CAN bus, K bus). When the bumps of the vehicle are greater than the set threshold, the liquid level of the liquid stored in the gas-liquid separation collection device 302 is obtained through the liquid level sensor 304. If the liquid level is greater than the third threshold and less than the first threshold, the solenoid valve 305 can be controlled to open and drain. Among them, the third threshold is greater than or equal to the second threshold.

[0066] Figure 4 A schematic diagram of the structure of an electronic device provided by an embodiment of the present invention is shown in FIG. Figure 4 As shown, the electronic device may include at least one processor and at least one memory in communication with the processor, wherein the memory stores program instructions executable by the processor, and the processor calls the program instructions to execute the instructions of this specification. Figure 2 The illustrated embodiment provides a method for controlling a water collection device.

[0067] like Figure 4 As shown, the electronic device is in the form of a general computing device. The components of the electronic device may include but are not limited to: one or more processors 410, communication interface 420 and memory 430, and a communication bus 440 connecting different system components (including memory 430, communication interface 420 and processor 410).

[0068] The communication bus 440 represents one or more of several types of bus structures, including a memory bus or memory controller, a peripheral bus, a graphics acceleration port, a processor or a local bus using any of a variety of bus structures. For example, these architectures include but are not limited to Industry Standard Architecture (ISA) bus, Micro Channel Architecture (MAC) bus, Enhanced ISA bus, Video Electronics Standards Association (VESA) local bus and Peripheral Component Interconnection (PCI) bus.

[0069] Electronic devices typically include a variety of computer system readable media. These media can be any available media that can be accessed by the electronic device, including volatile and non-volatile media, removable and non-removable media.

[0070] The memory 430 may include a computer system readable medium in the form of a volatile memory, such as a random access memory (RAM) and / or a cache memory. The electronic device may further include other removable / non-removable, volatile / non-volatile computer system storage media. The memory 430 may include at least one program product having a set (e.g., at least one) of program modules configured to perform the functions of each embodiment of the present specification.

[0071] A program / utility having a set (at least one) of program modules may be stored in memory 430, such program modules including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each of which or some combination may include an implementation of a network environment. The program modules generally perform the functions and / or methods of the embodiments described in this specification.

[0072] The processor 410 executes various functional applications and data processing by running the programs stored in the memory 430, such as implementing the present specification. Figure 2 The illustrated embodiment provides a method for controlling a water collection device.

[0073] The embodiment of the present specification provides a computer program product, the computer program product includes a computer program, when the computer program is executed by a processor, implements the execution of the present specification Figure 2The illustrated embodiment provides a method for controlling a water collection device.

[0074] The embodiment of the present specification provides a computer-readable storage medium, wherein the computer-readable storage medium stores computer instructions, wherein the computer instructions enable the computer to execute the present specification. Figure 2 The illustrated embodiment provides a method for controlling a water collection device.

[0075] The above-mentioned computer-readable storage medium can adopt any combination of one or more computer-readable media. The computer-readable medium can be a computer-readable signal medium or a computer-readable storage medium. The computer-readable storage medium can be, for example, - but not limited to - an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device or device, or any combination of the above. More specific examples (non-exhaustive list) of computer-readable storage media include: an electrical connection with one or more wires, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ReadOnly Memory; hereinafter referred to as: ROM), an erasable programmable read-only memory (Erasable Programmable ReadOnly Memory; hereinafter referred to as: EPROM) or flash memory, optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above. In this document, a computer-readable storage medium can be any tangible medium containing or storing a program, which can be used by an instruction execution system, device or device or used in combination with it.

[0076] The above is a description of a specific embodiment of the specification. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps recorded in the claims can be performed in an order different from that in the embodiments and still achieve the desired results. In addition, the processes depicted in the drawings do not necessarily require the specific order or continuous order shown to achieve the desired results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0077] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of this specification. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0078] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this specification, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0079] Any process or method description in a flowchart or otherwise described herein may be understood to represent a module, segment or portion of code that includes one or more executable instructions for implementing the steps of a custom logical function or process, and the scope of the preferred embodiments of this specification includes alternative implementations in which functions may not be performed in the order shown or discussed, including performing functions in a substantially simultaneous manner or in reverse order depending on the functions involved, which should be understood by technicians in the technical field to which the embodiments of this specification belong.

[0080] The word "if" as used herein may be interpreted as "at the time of" or "when" or "in response to determining" or "in response to detecting", depending on the context. Similarly, the phrases "if it is determined" or "if (stated condition or event) is detected" may be interpreted as "when it is determined" or "in response to determining" or "when detecting (stated condition or event)" or "in response to detecting (stated condition or event)", depending on the context.

[0081] It should be noted that the devices involved in the embodiments of this specification may include but are not limited to personal computers (Personal Computer; hereinafter referred to as: PC), personal digital assistants (Personal Digital Assistant; hereinafter referred to as: PDA), wireless handheld devices, tablet computers (Tablet Computer), mobile phones, MP3 displays, MP4 displays, etc.

[0082] In the several embodiments provided in this specification, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0083] In addition, each functional unit in each embodiment of this specification may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit may be implemented in the form of hardware or in the form of hardware plus software functional units.

[0084] The above-mentioned integrated unit implemented in the form of a software functional unit can be stored in a computer-readable storage medium. The above-mentioned software functional unit is stored in a storage medium, including a number of instructions for a computer device (which can be a personal computer, a connector, or a network device, etc.) or a processor (Processor) to perform some steps of the method described in each embodiment of this specification. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory; hereinafter referred to as: ROM), random access memory (Random Access Memory; hereinafter referred to as: RAM), disk or optical disk and other media that can store program codes.

[0085] The above description is only a preferred embodiment of this specification and is not intended to limit this specification. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of this specification should be included in the scope of protection of this specification.

[0086] In this specification, the same or similar parts between the various embodiments can be referred to each other. In particular, for the device embodiment and the terminal embodiment, since they are basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the description in the method embodiment.

Claims

1. A condensed water collection device, characterized in that: include: A gas-liquid separation device, a liquid collecting device, a liquid level sensor and a first switch; The inlet of the gas-liquid separation device is connected to the gas outlet of the supercharger intercooler, and is used to separate the mixed gas output by the supercharger intercooler into gas and liquid to obtain separated gas and liquid; The outlet of the gas-liquid separation device is connected to the air inlet of the engine, so as to deliver the gas obtained after gas-liquid separation to the engine through the air inlet of the engine; The liquid collecting device is connected to the gas-liquid separation device and is used to store the liquid obtained after the gas-liquid separation; The liquid level sensor is used to detect the liquid level of the liquid stored in the liquid collecting device; The first switch is used to discharge the liquid stored in the liquid collecting device.

2. The device according to claim 1, characterized in that The device also includes a processing module; The processing module is connected to the liquid level sensor and is used to obtain the liquid level collected by the liquid level sensor; The processing module is also connected to the first switch and is used to control the opening and closing of the first switch.

3. A method for controlling a water collection device, characterized in that: The condensed water collection device used in claim 1 or 2 comprises: Acquiring the liquid level of the liquid stored in the liquid collecting device by means of the liquid level sensor; When it is detected that the liquid level of the liquid stored in the liquid collection device is greater than or equal to a first threshold, the first switch is controlled to open to discharge the liquid stored in the liquid collection device; When the liquid level sensor detects that the liquid level in the liquid collecting device is less than or equal to a second threshold, the first switch is controlled to be closed; wherein the second threshold is less than the first threshold.

4. The method according to claim 3, characterized in that After controlling the first switch to be turned on, the method further includes: If the liquid level in the liquid collection device is not detected to drop within the first time period, it is determined that a drainage failure occurs; Control the engine exhaust gas recirculation valve to close for fault detection.

5. The method according to claim 4, characterized in that The method of controlling the engine exhaust gas recirculation valve to close for fault detection includes: determining whether an engine misfire signal is detected within a second time period; If the engine misfire signal is detected, it is determined that the cause of the fault is a fault in the first switch.

6. The method according to claim 4, characterized in that If the engine misfire signal is not detected within the second time period, it is determined that the fault cause is a fault in the liquid level sensor.

7. The method according to claim 5, characterized in that The method further comprises: The engine exhaust gas recirculation valve opening is adjusted to reduce the conversion rate of the engine exhaust gas recirculation system to a target threshold.

8. An electronic device comprising: at least one processor; as well as at least one memory in communication with the processor, wherein: The memory stores program instructions executable by the processor, and the processor can execute the method according to any one of claims 3 to 7 by calling the program instructions.

9. A computer-readable storage medium storing computer instructions, wherein the computer instructions enable the computer to execute the method according to any one of claims 3 to 7.

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