CN110920592B

CN110920592B - Intelligent gas circuit management system and control method thereof

Info

Publication number: CN110920592B
Application number: CN201911297708.7A
Authority: CN
Inventors: 温镜彬; 吴子强; 卢亮煌; 吴联杰
Original assignee: Yangzhou Atr Automobile Electronic Technology Co ltd
Current assignee: Yangzhou Atr Automobile Electronic Technology Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2021-02-23
Anticipated expiration: 2039-12-16
Also published as: CN110920592A

Abstract

The invention discloses an intelligent gas path management system and a control method thereof, the gas path management system comprises a dryer device provided with a heater, an ECU control module, an air storage cylinder, an air compressor and at least two intelligent drain valves with more than two numbers, the intelligent drain valves are internally provided with heating modules, the control method comprises that when the ECU control module receives working signals of the air compressor, a temperature and humidity sensor, an air pressure sensor and an environmental temperature sensor, the ECU analyzes and judges through a built-in program to output an execution instruction, respectively controls the heater, a first intelligent drain valve and a second intelligent drain valve to work, and simultaneously analyzes and judges to output an abnormal signal alarm, the invention solves the problems caused by the poor air filtering and purifying effect of the inside of an automobile gas path and the incapability of meeting the use conditions of severe weather and many regions due to the common technology and related parts, the related potential safety hazards can be eradicated, and the intelligent level and the safety of the automobile are improved.

Description

Intelligent gas circuit management system and control method thereof

Technical Field

The invention relates to the technical field of vehicle gas circuit systems, in particular to an intelligent gas circuit management system and a control method thereof.

Background

The problems of water vapor and ice blockage existing in the standard configuration of a dryer, a condenser and a manual drain valve in domestic mainstream at present are common and can not be radically treated: the moisture can produce very serious harm, and in the south, due to the fact that air is moist, a large amount of moisture is carried by an air source compressed by an air compressor, so that a molecular sieve on the dryer is in a saturated state quickly, and the moisture is not filtered and discharged out of a pipeline timely and effectively. The dryer has a very limited effect in preventing corrosion of the brake system components and thus poses a serious threat to driving safety. Hazard caused by ice blockage: ice blockage of different degrees can occur in severe cold areas in the north, after the ice blockage is generated, a vehicle cannot start, a pipeline needs to be heated and melted in advance to run, and labor cost and cost are greatly increased; after the air channel is blocked by ice, the air source can not reach the braking component, and the related pneumatic component is abnormal in work, so that the brake fails and safety accidents are easily caused.

Disclosure of Invention

The invention aims to provide an intelligent gas circuit management system and a control method thereof, which solve the problems that the prior common technology and related parts have poor air filtering and purifying effects on the interior of an automobile gas circuit and cannot meet the use conditions of severe weather and many regions, and eliminate related potential safety hazards. The intelligent level and the safety of the automobile are improved to the first floor.

The utility model provides an intelligence gas circuit management system, this gas circuit management system include air compressor machine, ECU control module, desicator device, install heater and at least one first intelligent drain valve of installing in desicator device bottom on the desicator device, the inlet port of desicator device with the air compressor machine passes through the gas circuit intercommunication, ECU control module passes through the circuit respectively with air compressor machine, heater and first intelligent drain valve control connection.

The invention has the advantages that the dryer device is used for drying and filtering the air provided by the air compressor, and the heater can ensure that the step is carried out at a temperature not lower than a certain temperature, thereby effectively avoiding the occurrence of freezing phenomenon and improving the filtering and drying effects of the system.

On the basis of the technical scheme, the invention can be further improved as follows:

further, this gas circuit management system still includes air receiver and at least one second intelligence drain valve, install the air receiver bottom the second intelligence drain valve, and the air receiver with the port of giving vent to anger of desicator device passes through gas circuit and four protects the valve intercommunication, the inside storage of air receiver is through the gas after the desicator device is dry and purification effect is accomplished, and the beneficial effect who adopts this step is through the ponding of second intelligence drain valve discharge air receiver bottom.

Further, heating modules are installed inside the first intelligent drain valve and the second drain valve, and the beneficial effects of the step are that the working environment of the first intelligent drain valve and the working environment of the second intelligent drain valve can be guaranteed through the heating modules, so that the occurrence of icing conditions is reduced.

Furthermore, the gas path management system further comprises a regeneration tank and a drainage switch, wherein the regeneration tank is communicated with the dryer device through a gas path, and the drainage switch is respectively connected with the first intelligent drainage valve and the second intelligent drainage valve in a control mode.

Further, the dryer device includes integrated base, temperature and humidity sensor, ambient temperature sensor, baroceptor, at least two drying towers that carry out drying and purification effect to gas in proper order, drying tower interval installation is on integrated base, the cartridge has baroceptor on the integrated base, the last intercommunication respectively of integrated base has inlet port and the port of giving vent to anger, install on the port of giving vent to anger temperature and humidity sensor, the cartridge has on the integrated base baroceptor, the integrated base facial make-up ambient temperature sensor.

The invention also provides a control method of the intelligent gas circuit management system, which at least comprises the following steps:

step S1: connecting the gas path management system to a vehicle power supply;

step S2: when the vehicle starts ON electricity and meets the starting condition of the air compressor, the air compressor is started, when the air compressor sends gas into the dryer device for drying and purification, the ECU control module receives a working signal of the air compressor and respectively controls the heater and the first intelligent drain valve to work, the heater heats the dryer device to ensure that the dryer device performs drying and purification ON the gas under the condition that the temperature is not lower than the set temperature T1, and meanwhile, the first intelligent drain valve discharges accumulated water at the bottom of the dryer device at the frequency of T1 and T2 at intervals;

the temperature T1 in the step S1 ranges from 0 ℃ to 5 ℃, the time T1 ranges from 1min to 60min, the T2 ranges from 1S to 60S, and the T3 ranges from 1S to 60S;

step S3: and when the vehicle is powered off, the ECU control module controls the heater and the intelligent drain valve to stop working.

The invention has the advantages that the heating step is added, so that the normal work of the whole system in a low-temperature environment is ensured; when the power is off, the first intelligent drain valve and the second intelligent drain valve can forcibly drain water for a period of time, so that the water vapor residue in the gas circuit is reduced; the invention can reduce the content of water vapor and impurities in the gas circuit of the vehicle and improve the safety of the vehicle in use.

further, the step S1 further includes a self-check of the gas path management system, where the self-check is to determine whether the first intelligent drain valve and the second intelligent drain valve are connected to the vehicle power supply, and if so, the next step S2 is performed; if the intelligent drain valve is not connected, the intelligent drain valve is maintained to output an abnormal alarm signal, self-checking is carried out again until the first intelligent drain valve and the second intelligent drain valve are connected with the power supply, and then the next step S2 is carried out; the abnormal alarm signal is a drainage indicator light flashing alarm or an instrument panel alarm;

in the step S2, when the ECU control module controls the heater and the first intelligent drain valve to work, the second intelligent drain valve drains the accumulated water at the bottom of the air storage cylinder at the frequency of the interval time t1 and the drain time t 2;

in the step S3, the vehicle is turned off, and the first and second intelligent drain valves drain water for a drain time t 3;

the method has the advantages that the temperature and the time can be adjusted according to actual needs, and the adaptability of the whole system is improved.

Further, the control method further includes step A1, the step A1 is performed simultaneously with the step S2,

step A1: the environment temperature sensor detects the environment temperature of the vehicle, and when the environment temperature is lower than a set temperature T2, the ECU control module controls the heating module of the first intelligent drain valve and the heating module of the second intelligent drain valve to heat; when the temperature is higher than the set temperature T3, the ECU control module controls the heating module of the first intelligent drain valve and the heating module of the second intelligent drain valve to stop heating;

the range of the temperature T2 is 0-5 ℃, the range of the temperature T3 is 10-15 ℃, and the intelligent drain valve has the advantages that the service environment of a vehicle is detected through the environment temperature sensor, normal work of the intelligent drain valve can be guaranteed at low temperature, the temperature can be adjusted according to actual needs, and the adaptability of the whole system is improved.

Further, the control method further includes step B1, the step B1 being performed simultaneously with step S2;

step B1: the temperature and humidity sensor detects the temperature and humidity, when the temperature and humidity reach H, the ECU control module sends an abnormal alarm signal to remind personnel to overhaul a drying tower and related components of the dryer device, and the first intelligent drain valve accelerates the drainage at the frequency of t4 every other time and t5 drainage time; when the humidity is lower than H, the ECU control module controls the first intelligent drain valve to normally drain water at the frequency of the draining time t2 at intervals of t 1;

the humidity H in the step B1 ranges from 50% RH to 100% RH, the time t4 ranges from 1min to 60min, and the time t5 ranges from 1s to 60 s.

Further, the control method further includes a step C1 of performing the step C1 simultaneously with the step S2;

step C1: the air pressure sensor detects the air pressure at the outlet end of the dryer device, and when the air pressure is higher than P1, the ECU control module feeds back a signal to a vehicle instrument or an air compressor to stop the air compressor; when the air pressure is still lower than P2 after time t6, the ECU control module sends an abnormal alarm signal to warn personnel to carry out maintenance;

the air pressure P1 in the step S2 is 0.8-1.2MPa, the air pressure P2 is 0.5MPa, and the time t6 is 1-60 min.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of an intelligent gas circuit management system according to embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of an intelligent gas circuit management system according to embodiment 2 of the present invention;

fig. 3 is a schematic structural diagram of an intelligent gas circuit management system according to embodiment 3 of the present invention;

fig. 4 is a schematic structural diagram of an intelligent gas circuit management system according to embodiment 4 of the present invention;

fig. 5 is a schematic structural diagram of a dryer device of an intelligent gas path management system according to embodiment 4 of the present invention;

fig. 6 is a cross-sectional view of a dryer apparatus assembly of an intelligent gas path management system according to embodiment 4 of the present invention;

fig. 7 is a schematic structural diagram of an intelligent drain valve of a dryer device of an intelligent gas path management system according to embodiment 4 of the present invention;

reference numerals:

1-a heater; 2-a dryer device; 3-an ECU control module; 4-an air cylinder; 5, an air compressor; 6-heating the module; 7-a first intelligent drain valve; 8-a humidity sensor; 9-ambient temperature sensor; 10-a pressure sensor; 11-a regeneration tank; 12-four protection valves; 13-a vehicle power supply; 14-a drain switch; 15-a second intelligent drain valve;

201-an air inlet port; 202-an outlet port; 203-an integrated base; 204-a drying tower; 205-a filter screen; 206-gas path pipeline; 207-chamber.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

In the description of the present application, it is to be understood that the terms "upper", "lower", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The invention is mainly applied to the gas circuit of a vehicle, purifies the moisture, impurities and oil gas in the gas circuit system, can ensure the drying and purification effect and cleanness of the gas circuit system pipeline to the maximum extent, thereby avoiding the corrosion of the impurities and water vapor contained in the gas circuit to the master cylinder, the slave cylinder, the gas cylinder and the related parts of the whole gas circuit system, and the specific embodiment is as follows:

example 1:

as shown in fig. 1, the embodiment discloses an intelligent gas path management system, which includes an air compressor 5, an ECU control module 3, a dryer device 2, a heater 1 installed on the dryer device 2, and at least one first intelligent drain valve 7 installed at the bottom of the dryer device 2, an air inlet port 201 of the dryer device 2 is communicated with the air compressor 5 through a gas path, and the ECU control module 3 is respectively in control connection with the air compressor 5, the heater 1, and the first intelligent drain valve 7 through a circuit.

In this embodiment, dryer device 2 carries out drying and filtration to the gas that the air compressor provided, and the heater can guarantee that this step goes on under being not less than certain temperature simultaneously, effectively avoids freezing the emergence of phenomenon, improves filtration, the drying effect of this system.

Example 2:

as shown in fig. 2, this embodiment is on the basis of embodiment 1, and this gas circuit management system still includes air receiver 4 and at least one second intelligence drain valve 15, install air receiver 4 bottom second intelligence drain valve 15, and air receiver 4 with the gas outlet port 202 of dryer device 2 is through gas circuit and four protect valve 12 intercommunication, the inside storage of air receiver 4 is through the gas after dryer device 2 drying and purification effect are accomplished, and this embodiment is through the ponding of second intelligence drain valve 15 discharge air receiver 4 bottom.

Example 3:

as shown in fig. 3, in this embodiment, on the basis of embodiment 2, heating modules 6 are installed inside the first intelligent drain valve 7 and the second drain valve 15, so that the working environments of the first intelligent drain valve and the second intelligent drain valve can be ensured by the heating modules, and the occurrence of icing can be reduced; this intelligent drain valve 7 can be my intelligent drain valve in application number 201821739585.9, also can be other kinds take the heating function or do not take the drain valve of heating.

The gas path management system further comprises a regeneration tank 11 and a drainage switch 14, the regeneration tank 11 is communicated with the dryer device 2 through a gas path, the drainage switch 14 is respectively in control connection with the first intelligent drainage valve 7 and the second intelligent drainage valve 15, and the drainage switch 14 of the embodiment can perform manual self-drainage.

Example 4:

as shown in fig. 4-7, the embodiment discloses an intelligent gas path management system, which includes a dryer device 2 equipped with a heater 1, an ECU control module 3, an air reservoir 4, an air compressor 5, at least one first intelligent drain valve 7 and at least one second intelligent drain valve 15, wherein heating modules 6 are respectively installed in the first intelligent drain valve 7 and the second intelligent drain valve 15, the first intelligent drain valve 7 is installed below the dryer device 2, the second intelligent drain valve 15 is installed below the air reservoir 4, the ECU control module 3 is respectively in control connection with the heater 1, the first intelligent drain valve 7, the second intelligent drain valve 15, the heating modules 6 and the air compressor 5 through circuits, the ECU control module 3 may be an automotive ECU control module with a built-in control program, an air inlet port 201 of the dryer device 2 is communicated with the air compressor 5 through a gas path, the air outlet port 202 is communicated with the air storage cylinder 4 through an air pipeline, and the air outlet port 202 of the dryer device 2 is provided with a temperature and humidity sensor 8;

install ambient temperature sensor 9 is installed to desicator device 2 below, ambient temperature sensor 9 respectively through the circuit with ECU control module 3 connects, and drainage switch 14 can also be increased to this embodiment, and drainage switch 14 is connected with ECU control module through the circuit, can artifical manual the pressing to accomplish the manual drainage control of first intelligent drain valve 7, second intelligent drain valve 15.

The heater 1 in the embodiment is composed of a plug-in unit, a temperature switch and a heating rod, the three components are all mature components, the heater 1 in the embodiment is formed by combination, and the heating rod extends into the integrated base 203 of the dryer device 2 to realize automatic heating of the interior of the dryer device 2; the heater 1 can also adopt an existing mature heater similar to the heater with the model number of ksd301, and only needs to finish the automatic operation of turning off the heating when the temperature is higher than a certain temperature and turning on the heating when the temperature is lower than the certain temperature; the dryer device 2 can be ensured not to be frozen by the heater 1, and the drying and purifying effects are influenced.

As shown in fig. 5-6, the dryer apparatus 2 in this embodiment is an apparatus designed by the inventor in an autonomous research and development manner, and includes at least an integrated base 203 and at least two drying towers 204 for sequentially performing drying and purifying actions on the gas, where the drying towers 204 are installed at intervals on the integrated base 203, and compared with the drying and purifying actions of the existing widely available dryers in the market, the drying and purifying actions of the dryer apparatus 2 in this embodiment are substantially improved, and the drying and purifying effects of the dryer apparatus 2 in this embodiment are further improved by sequentially performing drying and purifying actions on the gas; meanwhile, the dryer device 2 of the embodiment is also provided with a temperature and humidity sensor 8 at the air outlet port 202, the temperature and humidity sensor 8 can adopt the sensors with the current mature models of SHT10, SHT20 and SHT30, and can also adopt an enhanced sensor redesigned by me to finish temperature and humidity detection of the air outlet port 202 and output signals to the ECU, when the output value of the temperature and humidity exceeds the value of a set range, the ECU control module 3 can output an abnormal alarm to a drainage indicator lamp or an instrument panel to remind system maintainers to carry out full-system maintenance to remove fault parts or replace drying towers a and B which fail after exceeding the working time;

as shown in fig. 4 and 7, install first intelligent drain valve 7 in the bottom of dryer device 2 for drainage, this first intelligent drain valve 7 has heating module 6, can heat, effectively avoid freezing winter, the problem of unable drainage, wherein first intelligent drain valve 7, second intelligent drain valve 15 can be the intelligent drain valve that my application number is 201821739585.9, also can be the drain valve that other kinds take the heating function or do not take the heating, still be equipped with ambient temperature sensor 9 and first intelligent drain valve collaborative work on this dryer device 2, can detect the temperature of entire system's environment through this ambient temperature sensor 9, whether it needs work to supply ECU control module 3 to judge the analysis and output to carry out the heating module 6 that makes the intelligent drain valve. The ambient temperature sensor 9 may be a sensor with model numbers DS18B20 and PT100, or other types of sensors; the structure and the control mode of the second intelligent drain valve 15 at the bottom of the air cylinder 4 are the same in the same way.

In this embodiment, an air pressure sensor 10 is further inserted into the integrated base 203, and is configured to detect air pressure inside the dryer apparatus 2 and determine a working state of the dryer apparatus 2, where the air pressure sensor may be a sensor of type BP8(0-5), complete air pressure detection, and transmit a signal to the ECU control module through a circuit;

the embodiment further comprises a regeneration tank 11 and four protection valves 12, the regeneration tank 11 is communicated with the integrated base 203 through a ventilation pipeline, the four protection valves 12 are arranged between the dryer device 2 and the air storage cylinder 4, and gas after drying and purification of the dryer device 2 is distributed through the four protection valves 12 and then enters the air storage cylinder 4 for storage.

The structure of the dryer device 2 is further discussed below:

as shown in fig. 5, the drying material inside the drying tower in this embodiment may be a drying material with a molecular sieve structure commonly used in the existing market, or may be a novel drying material independently designed by me, and is used in combination with the drying towers a and B, and a filter screen 205 is installed inside the drying tower 204 for final drying and purification, so as to improve the filtering effect;

as shown in fig. 5, chambers corresponding to the number of drying towers are formed in the integrated base 203, one chamber corresponds to one drying tower 204, and a gas path pipeline 206 corresponding to the drying tower 204 is installed in each chamber 207, which is only an embodiment in which the number of drying towers is 2 in fig. 2; each chamber 207 is communicated in series, and can be divided into a first chamber, a second chamber, a third chamber and the like according to the sequence of drying and purification after air intake, wherein the first chamber is communicated with the air compressor 5 and the regeneration tank 11 through an air pipeline, air then enters a drying tower matched with the first chamber for drying and purification, the dried and purified air is sent to the next chamber 207 through an air pipeline 206 inside the first chamber, and so on, the last chamber is communicated with the air outlet port 202, and the air is connected to the four-protection valve 12 through the air pipeline and then is connected to the air storage cylinder 4 through the air pipeline.

The air pressure sensor 10 in this embodiment detects the pressure inside the air outlet port in the integrated base 203.

Example 5:

this embodiment also provides a control method of an intelligent gas circuit management system, which is the intelligent gas circuit management system in

embodiment

1 or 2 or 3 or 4,

the control method at least comprises the following steps:

step S1: connecting the gas path management system to a vehicle power supply;

the temperature T1 in the step S1 is 0 ℃ or 1 ℃ or 2 ℃ or 5 ℃, or T1 is a certain value between 0 ℃ and 5 ℃;

the time t1 is 1min or 2min or 15min or 16min or 59min or 60min, or t1 is a value of 0-60 min;

t2 is 1s or 2s or 15s or 16s or 59s or 60s, or t2 is one of 0-60 s; t3 is 1s or 2s or 15s or 16s or 59s or 60s, or t3 is one of 1-60 s;

Example 6:

the embodiment discloses a control method of an intelligent gas circuit management system, which is the intelligent gas circuit management system in the

embodiment

1 or 2 or 3 or 4;

the control method at least comprises the following steps:

step S1: starting the vehicle main power supply, electrifying the gas path management system, performing self-checking by the gas path management system, judging whether the first intelligent drain valve 7 and the second intelligent drain valve 15 are connected with the power supply, and if the first intelligent drain valve 7 and the second intelligent drain valve 15 are connected with the power supply, performing the next step S2; if the intelligent drain valve is not connected, outputting an abnormal alarm signal, performing self-checking again until the first intelligent drain valve 7 and the second intelligent drain valve 15 are connected to the power supply, and then performing the next step S2; the gas circuit management system in this embodiment operates with a vehicle power supply as a power supply, wherein starting a vehicle main power supply refers to a normal power supply in a vehicle, and the gas circuit management system is powered on to perform self-inspection on the first intelligent drain valve 7 and the second intelligent drain valve 15, specifically, the ECU control module determines whether the drain valves are connected to the vehicle power supply (open circuit detection) or not through a signal returned by a wire harness connected to the drain valves, and the detection method is an existing open circuit detection method, and specific steps are not described herein again;

step S2: after a vehicle power supply is at an ON gear and meets the starting condition of the air compressor, the air compressor is started, air is sent into a dryer device 2 for drying and purifying, when an ECU control module 3 receives working signals of the air compressor 2 and a temperature and humidity sensor in the system, a heater 1, a first intelligent drain valve 7 and a second intelligent drain valve 15 are respectively controlled to work, the heater 1 ensures that the dryer device 2 performs drying and purifying under the condition that the temperature is not lower than a set temperature T1, the intelligent drain valves drain water at the frequency of T1 every time and T2 every time, and accumulated water at the bottom of the dryer device and the bottom of an air storage cylinder is effectively drained in time;

step S3: when the vehicle power supply is separated from the ON gear, the intelligent drain valve 7 drains water for the drainage time t3, and meanwhile the ECU control module controls the heater and the intelligent drain valve to stop working.

Wherein the temperature T1 in the step S1 is 0 ℃ or 1 ℃ or 2 ℃ or 5 ℃, or T1 is a value between 0 ℃ and 5 ℃;

the time t1 is 1min or 2min or 15min or 16min or 59min or 60min, or t1 is a value of 1-60 min;

t2 is 1s or 2s or 15s or 16s or 59s or 60s, or t2 is one of 1-60 s; t3 is 1s or 2s or 15s or 16s or 59s or 60s, or t3 is one of 1-60 s;

in this embodiment, after the self-checking is accomplished, each unit of system begins to work, heater 1 can heat or stop heating automatically as required this moment, the drying and the purification action of system can be carried out above the uniform temperature like this, phenomena such as effectively avoiding freezing, simultaneously first intelligent drain valve 7, second intelligent drain valve 15 can carry out drainage and exhaust according to the work logic that ECU internal program set for, simultaneously timely effectual discharge impurity, also can carry out manual operation through drainage switch 14, can in time effectual evacuation with ponding and impurity in the ponding and the gas receiver 4 in the desicator device 2 like this, guaranteed entire system and satisfying the relevant performance of car, make the safety and the normal work of car braking system and the relevant part that uses air as power.

Example 7:

on the basis of embodiment 6, this embodiment is further improved because the intelligent water discharge valve 7 may be frozen or frozen due to environmental influences, and the water discharge function cannot be realized, even if the gas can reach a certain temperature, it takes a long time for the first intelligent water discharge valve 7 and the second intelligent water discharge valve 15 to discharge water, so the following step a1 is added: the step a1 is performed simultaneously with step S2,

step A1: the environmental temperature sensor 9 detects the environmental temperature of the vehicle, and when the environmental temperature is lower than a set temperature T2, the ECU control module 3 controls the heating modules of the first intelligent drain valve 7 and the second intelligent drain valve 15 to heat; when the temperature is higher than the set temperature T3, the ECU control module controls the first intelligent water discharge valve 7 and the second intelligent water discharge valve 15 to stop heating.

Wherein the temperature T2 is 0 ℃ or 1 ℃ or 2 ℃ or 5 ℃, or T2 is a value between 0 ℃ and 5 ℃;

the temperature T3 is 10 deg.C or 11 deg.C or 12 deg.C or 15 deg.C, or T3 is a value between 10-15 deg.C.

According to the embodiment, the heating modules 6 in the first intelligent drain valve 7 and the second intelligent drain valve 15 are controlled to be started according to the environment where an actual vehicle is located, the automatic heating function is completed, and the phenomenon that the first intelligent drain valve 7 and the second intelligent drain valve 15 are frozen to influence the work of the whole system is effectively avoided.

Example 8:

in this embodiment, ON the basis of embodiment 7, a further improvement is made in this embodiment, after the vehicle power supply is in the ON position and the air compressor start condition is met, the air compressor is started, and the system will be continuously dried, purified and subjected to drainage treatment, so the dryer device 2 will be always in the working state, and after a long time, the dryer device 2 needs to be replaced and failed parts or overhauled, so this embodiment adds step B1 in the control method to overhaul the dryer device 2, and step B1 and step S2 are performed simultaneously;

step B1: the temperature and humidity sensor 8 detects the humidity, when the humidity reaches H, the ECU control module 3 sends an abnormal alarm signal to remind personnel to overhaul related components of the dryer device 2, such as the drying towers A and B, and the first intelligent drain valve 7 and the second intelligent drain valve 15 accelerate draining at the frequency of t4 every other time and t 5; when the temperature and humidity are lower than H, the ECU control module 3 controls the first intelligent drain valve 7 and the second intelligent drain valve 15 to normally drain water at the frequency of the drain time t2 at intervals of t 1.

Wherein the humidity H in step B1 is 50% RH or 60% RH or 70% RH or 100% RH, or a certain value of 50-100% RH;

the time t4 is 1min or 2min or 15min or 16min or 59min or 60min, or t4 is a value of 1-60 min;

t5 is 1s or 2s or 15s or 16s or 59s or 60s, or t5 is one of 1-60 s;

that is, when the dryer device 2 is out of order or the value outputted from the sensor exceeds the set range, the intelligent drain valve 7 performs enhanced drainage according to the logic set by the program built in the ECU, and when the inspection is completed or the value outputted from the sensor is within the normal range, the first intelligent drain valve 7 and the second intelligent drain valve 15 perform drainage at the original frequency.

Example 9

In this embodiment, on the basis of embodiment 7, the present embodiment is further improved, in which the hollow press 5 will introduce air into the dryer device 2, the air pressure will gradually increase, and when the air pressure exceeds a certain value, the working range required by the automobile brake system will be exceeded; therefore, the embodiment further adds a step C1, where the step C1 is performed simultaneously with the step S2;

step C1: the air pressure sensor 10 detects the air pressure at the outlet end of the dryer device 2, and when the air pressure is higher than P1, the ECU control module 3 feeds back a signal to a vehicle instrument or the air compressor 5, so that the air compressor 5 stops running; when the air pressure is still lower than P2 after time t6, the ECU control module sends an abnormal alarm signal to warn personnel to carry out maintenance.

Wherein, the pressure P1 in step S2 is 0.8MPa, or 0.9MPa, or 1.0MPa, or 1.1MPa, or 1.2MPa, or a certain value of the pressure P10.8-1.2MPa, the pressure P2 is 0.5MPa, the time t6 is 1min, or 2min, or 15min, or 16min, or 59min, or 60min, or t6 is a certain value of 1-60 min.

In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The control method of the intelligent gas path management system is characterized in that the gas path management system comprises an air compressor, an ECU control module, a dryer device, a heater arranged on the dryer device and at least one first intelligent drain valve arranged at the bottom of the dryer device, wherein an air inlet port of the dryer device is communicated with the air compressor through a gas path, and the ECU control module is respectively in control connection with the air compressor, the heater and the first intelligent drain valve through circuits;

the dryer device comprises an integrated base, temperature and humidity sensors, an ambient temperature sensor, an air pressure sensor and at least two drying towers which are used for drying and purifying gas in sequence, wherein the drying towers are arranged on the integrated base at intervals, the air pressure sensor is inserted into the integrated base, the integrated base is respectively communicated with an air inlet port and an air outlet port, the temperature and humidity sensors are arranged on the air outlet ports, the air pressure sensor is inserted into the integrated base, and the ambient temperature sensor is arranged on the integrated base;

the gas path management system also comprises a gas storage cylinder and at least one second intelligent drain valve, wherein the second intelligent drain valve is installed at the bottom of the gas storage cylinder, the gas storage cylinder is communicated with a gas outlet port of the dryer device through a four-protection valve, and gas which is dried and purified by the dryer device is stored in the gas storage cylinder;

heating modules are arranged in the first intelligent drain valve and the second intelligent drain valve;

the gas path management system also comprises a regeneration tank and a drainage switch, wherein the regeneration tank is communicated with the dryer device, the drainage switch is respectively connected with the first intelligent drainage valve and the second intelligent drainage valve in a control way, and the control method adopting the gas path management system at least comprises the following steps:

step S1: connecting the gas path management system to a vehicle power supply;

step S2: when a vehicle starts ON electricity and meets the starting condition of the air compressor, the air compressor is started, when the air compressor sends gas into the dryer device for drying and purification, the ECU control module receives a working signal of the air compressor and respectively controls the heater and the first intelligent drain valve to work, the heater heats the dryer device to ensure that the dryer device performs drying and purification ON the gas under the condition that the temperature is not lower than a set temperature T1, and meanwhile, the first intelligent drain valve discharges accumulated water at the bottom of the dryer device at the frequency of T1 and T2 at intervals;

step S3: the vehicle is powered off, and the ECU control module controls the heater and the intelligent drain valve to stop working;

the step S1 also comprises the self-check of the gas path management system, wherein the self-check is to judge whether the first intelligent drain valve and the second intelligent drain valve are connected to the vehicle power supply, and if the first intelligent drain valve and the second intelligent drain valve are connected, the next step S2 is carried out; if the intelligent drain valve is not connected, the intelligent drain valve is maintained to output an abnormal alarm signal, self-checking is carried out again until the first intelligent drain valve and the second intelligent drain valve are connected with the power supply, and then the next step S2 is carried out; the abnormal alarm signal is a drainage indicator light flashing alarm or an instrument panel alarm;

in the step S2, when the ECU control module controls the heater and the first intelligent drain valve to work, the second intelligent drain valve drains the accumulated water at the bottom of the air cylinder at a frequency of t1 every time and t2 every time;

in step S3, the vehicle is turned off, and the first and second intelligent drain valves drain water for a drain time t 3.

2. The control method of the intelligent gas circuit management system according to claim 1, further comprising step A1, wherein the step A1 is performed simultaneously with the step S2,

the temperature T2 is in the range of 0-5 ℃ and the temperature T3 is in the range of 10-15 ℃.

3. The control method of an intelligent gas circuit management system according to claim 2, wherein the control method further comprises step B1, the step B1 is performed simultaneously with step S2;

the humidity H in the step B1 ranges from 50 to 100% RH, the time t4 ranges from 1 to 60min, and the time t5 ranges from 1 to 60 s.

4. The control method of an intelligent gas circuit management system according to claim 3, further comprising the following step C1, wherein the step C1 is performed simultaneously with the step S2;

the pressure P1 in the step S2 is 0.8-1.2MPa, the pressure P2 is 0.5MPa, and the time t6 is 1-60 min.