TWI647405B - Wisdom gas filter device control system judgment method - Google Patents

Abstract

The invention relates to a method for judging the control system of the intelligent gas filtering device, which monitors the exhaust gas emission situation of a filter device, and the particle judging unit in an electronic control module determines the particle concentration of the exhaust gas discharged from the soot filter, and combines with the pressure judging unit to detect As a result, the soot filter is further subjected to regeneration treatment.

Description

Wisdom gas filter device control system judgment method

The present invention relates to the field of exhaust gas combustion treatment, and more particularly to a method for judging a smart gas filtration device control system that automatically performs regeneration processing through a plurality of determination conditions.

Exhaust gases emitted by power tools such as automobiles, cranes, and diesel generators have long been considered to be the cause of air pollution, especially since diesel engines can produce high-efficiency engine power and relatively emit more polluting exhaust gases. For example, exhaust gas containing PM2.5. At this time, some companies have developed a fuel regenerative filter device that can improve the black smoke and odor of the exhaust gas from the general engine and diesel engine to reduce the environmental pollution of the exhaust gas and reduce the emissions from the engine. The noise.

However, if the fuel regenerative filter device is used for a long period of time, the components inside the device may have the possibility of carbon deposition, smoke blocking or sedimentation of suspended particles in the exhaust gas, and thus the exhaust gas purification efficiency of the fuel regeneration filter device is reduced or even the fuel is regenerated. Doubts about the malfunction of the filter unit. Therefore, it is necessary to periodically regenerate the fuel regeneration filter device. More specifically, the fuel regeneration filter device is regenerated by a method of regenerating the fuel.

At the same time, the time point of regeneration has been calculated based on the use time of power tools such as vehicles. For example, when the vehicle is driven for a specific number of kilometers, it is necessary to refuel the filter device. Line regeneration. However, this way of calculating the regeneration time point depends on the user's own attention and cannot achieve the effect of automatic regeneration.

In addition, it is also possible to urgently need to carry out sudden regeneration of the fuel regeneration filter device before the specific number of kilometers has been traveled. For example, if the vehicle speed is fast, the back pressure is too high and the fuel needs to be timely targeted. Regeneration of the filter unit for regeneration.

Therefore, there is an urgent need for a processing system and a judging mechanism capable of automatically controlling the regeneration of the above-described fuel regenerative filter device, so that the above-described fuel regenerative filter device can maintain normal operation and is less prone to failure, and ensures safety when using the above-described power tool.

The main object of the present invention is to provide a method for judging a smart gas filtering device control system, which is determined by the condition of the particle information and judged to perform regeneration processing.

Another main object of the present invention is to provide a method for judging a smart gas filtering device control system, which is determined by other information conditions to determine a smart gas filtering device control system for performing regeneration processing.

In order to achieve the above object, the present invention discloses a method for judging the control system of the smart gas filtering device, which monitors the exhaust gas emission situation of a filter device, and includes the following steps: S1. A particle determining unit performs a particle concentration detection.

In an embodiment, the method further comprises the following steps: S2: a pressure determining unit performs a gas pressure detection.

In an embodiment, the method further includes the following steps: S3. A temperature determining unit performs a first combustion temperature detection.

In an embodiment, the method further comprises the following steps: S4. A burner performs a regeneration process.

In an embodiment, the method further comprises the following steps: S5. A temperature determining unit performs a second combustion temperature detection.

In one embodiment, the particle concentration detection fails, and the particle determination unit issues an abnormal warning and records it.

In one embodiment, the gas pressure detection fails, and the pressure determination unit issues an abnormal warning and records it.

In one embodiment, the first combustion temperature detection fails, and the pressure determination unit issues an abnormal warning and records.

In an embodiment, the second combustion temperature detection fails, and the pressure determination unit issues an abnormal warning and records.

In an embodiment, the step S5 is determined as follows: if the second combustion temperature detection is performed twice or less and fails, step S4 is performed; if the second combustion temperature detection is performed twice and passed, the record is recorded; The secondary combustion temperature detection is performed three times or more and fails, and the temperature determination unit issues an abnormal warning and records it.

The above and other objects, features and advantages of the present invention will become more <RTIgt;

1‧‧‧Electronic Control Module

11‧‧‧Temperature judgment unit

111‧‧‧First temperature sensor

112‧‧‧Second temperature sensor

113‧‧‧ Third temperature sensor

114‧‧‧4th temperature sensor

12‧‧‧Pressure judgment unit

121‧‧‧pressure sensor

13‧‧‧Particle judgment unit

131‧‧‧Particle sensor

14‧‧‧Time Judging Unit

141‧‧‧Timer

15‧‧‧Information Collection Assembly

16‧‧‧Car Control Computer

161‧‧‧Temperature setting unit

162‧‧‧Pressure setting unit

163‧‧‧Particle setting unit

164‧‧‧Time setting unit

165‧‧‧Wireless communication unit

2‧‧‧ Filters

S1~S7‧‧‧ steps

Figure 1 is a block diagram showing the structure of a first embodiment of the present invention.

Fig. 2 is a flow chart showing the judging method of the first embodiment of the present invention.

In the following embodiments, the same or similar component symbols represent the same or similar components. In addition, the directional terms mentioned in the following embodiments, for example, up, down, left, right, front or back, etc., refer only to the direction of the additional drawing, and therefore, the directional term used is used for explanation, and It is not intended to limit the invention.

Please refer to FIG. 1 , which is a block diagram of a first embodiment of the present invention. The present invention is mainly disposed in a cigarette filter 2 through an electronic control module 1 and a plurality of sensors, and transmits different types of sensors. The various states of the soot filter 2 are obtained, and whether the corresponding judging unit in the electronic control module 1 has reached the condition for performing the regeneration process to trigger a burner to perform combustion.

The electronic control module 1 includes a temperature judging unit 11, a pressure judging unit 12, a particle judging unit 13, a time judging unit 14, an information collecting assembly 15, and a vehicle control computer 16, and each of the judging units can be independent. The components are disposed on a circuit board, and may be provided on a circuit board (not shown) in such a manner that two or more units are integrated into one wafer.

The temperature judging unit 11 is connected to the first, second, third, and fourth temperature sensors 111, 112, 113, and 114. Each of the temperature sensors returns a temperature information to the temperature judging unit 11, and the temperature judging unit 11 The temperature information is used to know the temperature of each area inside the soot filter 2, and the temperature judging unit 11 judges whether it is necessary to increase the temperature of the burner according to the change in temperature.

The pressure judging unit 12 is connected to the pressure sensor 121. The pressure sensor 121 returns a pressure information to the pressure judging unit 12 to determine the current gas pressure of the soot filter 2, and when the pressure judging unit 12 judges that the current gas pressure is greater than a certain value. When the pressure value is displayed, it indicates that the soot filter 2 is clogged with carbon, and then an ignition signal is sent to the burner for regeneration treatment.

The particle determining unit 13 is connected to the particle sensor 131, and the particle sensor 131 returns a particle information to the particle determining unit 13, and determines the current particle concentration of the soot device 2. When the particle determining unit 13 determines that the current particle concentration is high. To a certain extent, it means that the filter in the filter 2 is damaged or broken, and the particles cannot be intercepted by the filter, and the discharged gas contains excessive harmful particles (such as PM2.5), which will be filtered. The heart damage information is transmitted back to the vehicle control computer 16, and the pressure determination unit 12 determines to send an ignition signal to the burner for regeneration processing.

The time judging unit 14 is connected to the timer 141, and the timer 141 returns a time information to the time judging unit 14, and determines the interval between the use time and the distance of the soot filter 2, and the time judging unit 14 judges the use. When the interval of time or regeneration processing is higher than a certain period of time, it means that carbon deposits are generated in the soot filter 2, and the time judging unit 14 sends an ignition signal to the burner for regeneration processing.

The information collection assembly 15 is connected to the temperature determination unit 11, the pressure determination unit 12, the particle determination unit 13, and the time determination unit 14, and collects the information generated by each of the determination units and transmits the information to the network through one of wired or wireless. Car control computer 16.

The vehicle control computer 16 receives the information transmitted by the information collection assembly 15, and collects the information and transmits it to a cloud backend or a personal device (mobile phone or computer) through a wireless communication unit 165 (for example, GPS/GSM) for storage. The vehicle control computer 16 has a display touch panel (not shown) through the program In the display, the touch panel displays a temperature setting unit 161, a pressure setting unit 162, a particle setting unit 163, and a time setting unit 164. Through these setting units, the determination condition of the corresponding determining unit can be changed, or the regeneration processing can be directly started. Although each of the above setting units is generated through a program generation operation interface, it may be a physical button or an external operation device (such as a keyboard or a corresponding input device), and is not particularly limited.

Various conditions such as the above-mentioned time, temperature, fine particles, and pressure can be adjusted according to the use requirements, thereby controlling the timing and conditions for the start of the regeneration process.

In addition, the vehicle control computer 16 is disposed in the driver's seat, so that the driver can observe the condition of the smoke filter 2 at any time.

Further, after the above-mentioned various materials are uploaded to the cloud background, the computing and application can be performed through the cloud background, such as exporting the form, observing driving habits (positioning the vehicle trajectory and speed through GPS), whether the vehicle enters the forbidden zone, and the vehicle. Whether it is stolen, whether there is a car accident, reminding maintenance and other additional functions to enhance the driving experience.

Referring to FIG. 2, a flowchart of a method for determining a first embodiment of the present invention is supplemented with reference to FIG. 1. The method for determining the present invention includes: S1. A particle determining unit performs a particle concentration detection; S2. The unit performs a gas pressure detection, wherein when the gas pressure detection fails, the pressure judging unit issues an abnormal warning and records; S3. A temperature judging unit performs a first combustion temperature detection, wherein when the first combustion temperature detection is not When passing, the pressure judging unit issues an abnormal warning and records it; S4. A burner performs regeneration processing; S5. A temperature judging unit performs a second combustion temperature detection; S6. records the detection result and transmits the result to a network storage device; S7. Selects and outputs the specific data by a processing device.

S1. A particle determining unit performs a particle concentration detection; the particle determining unit 13 determines the concentration of the suspended particles in the exhaust gas, and if an abnormal warning is issued after exceeding the set value (ie, fails), the recording is performed, such as within the set value ( That is, the process proceeds to step S2.

S2. A pressure judging unit performs a gas pressure detection; the pressure judging unit 12 determines whether the exhaust condition of the soot filter 2 is smooth, and if the set value is exceeded (that is, the carbon deposit on the filter material is severe), step S3 is performed, for example, Recorded within the set value (ie, passed).

S3. A temperature determining unit performs a first combustion temperature detection; the temperature determining unit 11 determines the temperature condition of each section of the soot filter 2, and if the set value is not exceeded (that is, the combustion is still to the highest temperature), the step is performed. S4, if it is within the set value (ie, reaches the maximum temperature), it is recorded.

S4. A burner is regenerated; firstly, after the fuel is injected, the ignition is performed, and the carbon deposited on the filter material is burned through the high temperature method. There is an interval between the injection and the ignition, and the purpose is to prevent Accidents occur, and the amount of fuel injection and interval can be set according to the needs of use.

S5. A temperature determining unit performs a second combustion temperature detection; the temperature determining unit 11 determines the temperature condition of each section of the soot filter 2 again, if the second combustion temperature detection is performed twice or less and fails (ie, indicates If it is still burning to the highest temperature, step S4 is performed again, if the second combustion temperature detection is performed twice or less and passes (ie, it indicates that the combustion is still the highest temperature), such as recording, for example, The second combustion temperature detection is performed three times or more and fails (representing that the burner may have a problem or other factors may cause the target temperature to be unreachable), and the temperature judging unit 11 issues an abnormal warning and records it.

Various conditions such as the above-mentioned time, temperature, fine particles, and pressure can be adjusted according to the use requirements, thereby controlling the timing and conditions for the start of the regeneration process.

S6. The detection result is recorded and transmitted to a network storage device; after any of the above steps S1 to S5 is completed, the detection result is collected by an information collection assembly and transmitted to a vehicle control computer, and the transmission mode can be In one of wired or wireless mode, the network storage device is a cloud background for storing the above information and the current state of the vehicle (such as location).

S7. Selecting and outputting specific data by a processing device; the processing device can be a personal device (mobile phone or computer), connected to the network storage device through network communication, and selected or specific information through the personal device. (Several items such as temperature, particle condition and filter condition), after exporting the form of the above information, the screen displayed on the personal device or printed for application.

Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make some modifications and refinements without departing from the spirit and scope of the present invention. The scope of protection is subject to the definition of the scope of the attached patent application.

Claims (4)

A method for judging the control system of the smart gas filtering device is to monitor the exhaust gas emission situation of a filter device, comprising the following steps: S1. A particle determining unit performs a particle concentration detection, wherein the particle concentration detection fails, the particle determining unit sends out Abnormal warning and record, and a burner for regeneration; S2. A pressure determination unit performs a gas pressure detection, wherein the gas pressure detection fails, the pressure determination unit issues an abnormal warning and records, and the burner performs Regenerating processing; S3. A temperature determining unit performs a first combustion temperature detection, wherein the first combustion temperature detection fails, the pressure determination unit issues an abnormal warning and records; and S4. the burner performs regeneration processing; The determination condition of the particle determination unit, the pressure determination unit, and the pressure determination unit is changed by a plurality of setting units. The method for judging the control system of the smart gas filtering device according to claim 1, wherein the method further comprises: S5. A temperature determining unit performs a second combustion temperature detection. The method for judging the intelligent gas filtering device control system according to claim 2, wherein the second combustion temperature detecting fails, the pressure determining unit issues an abnormal warning and records. The method for judging the control system of the smart gas filtering device according to claim 2, wherein the determining of the step S5 is: if the second combustion temperature detection is performed twice or less and is not If the second combustion temperature detection is performed twice and passed, the recording is performed; if the second combustion temperature detection is performed more than three times and fails, the temperature determination unit issues an abnormal warning and records.