CN202975799U - Fault diagnosing system of air intake heating system - Google Patents
Fault diagnosing system of air intake heating system Download PDFInfo
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- CN202975799U CN202975799U CN 201220686380 CN201220686380U CN202975799U CN 202975799 U CN202975799 U CN 202975799U CN 201220686380 CN201220686380 CN 201220686380 CN 201220686380 U CN201220686380 U CN 201220686380U CN 202975799 U CN202975799 U CN 202975799U
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Abstract
The utility model provides a fault diagnosing system of an air intake heating system. The fault diagnosing system comprises a controller, a sensor module connected with the controller, an air intake heater connected with the sensor module and a power supply module respectively connected with the sensor module and the air intake heater. The sensor module transmits acquired actual working parameters of the air intake heater at the current working state to the controller. The controller compares the actual working parameters with calibration working parameters to determine whether the air intake heating systems fails or not, and analyzes fault type when fault occurs. The controller analyzes part faults of the air intake heating system by comparing the actual working parameters with calibration working parameters, and accordingly automatic fault diagnosing of the air intake heating system is achieved.
Description
Technical field
The utility model relates to automatic control technology, particularly relates to a kind of inlet air heating system fault diagnosis system.
Background technology
In the winter time, the engine charge heating system is extremely important to the startup of engine.The inlet air heating system is comprised of relay, air intake heater and control system three parts, the break-make of Control air intake heater, if losing efficacy, relay caused the air intake heater normal open, so, long-time heating can make the temperature of air intake heater raise rapidly, the danger that causes fire is arranged, therefore the examination of inlet air heating system reliability is necessary.
in practical application, air intake heater generally has 4 duties, and 4 duties have permanent order, be that air intake heater will be introduced into the state of preheating, then just can enter standstill state successively, rear heated condition and the state of cooling, described air intake heater experiences successively 4 duties by permanent order and is designated as and completes once complete working cycle, under different actual conditions, it can be once also the part of complete working cycle that described air intake heater experiences 4 duties successively by permanent order, those skilled in the art are when carrying out the examination of inlet air heating system reliability, specific practice is carried out repeatedly described working cycle to air intake heater exactly.
Fairly simple to the examination of inlet air heating system reliability in prior art, those skilled in the art adopt control system to control the working cycle of air intake heater by controlling special purpose relay, in the working cycle of air intake heater, if described inlet air heating system breaks down, control system gives a warning, the staff just can determine that fault has occured for the inlet air heating system, but can't determine which kind of fault has occured which parts of described inlet air heating system, therefore just make the fault of inlet air heating system get rid of more difficult.
Summary of the invention
The utility model provides a kind of inlet air heating system fault diagnosis system, to solve in prior art when the inlet air heating system breaks down, be which kind of fault has occured which parts of described inlet air heating system because not diagnosing out, make the more difficult technical matters of inlet air heating removal of faults on system.
For solving the problems of the technologies described above, the utility model provides a kind of inlet air heating system fault diagnosis system, and described system comprises:
Carry out controller, sensor assembly, power module and the air intake heater of the fault diagnosis of inlet air heating system, controller is connected with sensor assembly, sensor assembly is connected with the air intake heater that is connected, power module is connected with air intake heater with sensor assembly respectively, wherein:
described controller comprises: in the work at present circulation, the receiver module of the real work parameter of air intake heater under the work at present state that the receiving sensor module gathers, the virtual voltage that specifically comprises the air intake heater in the described real work parameter that receives the first voltage sensor collection, the actual current of the air intake heater in the described real work parameter that current sensor gathers, the virtual voltage of air intake heater power supply in the described real work parameter that the actual temperature of the air intake heater in the described real work parameter that temperature sensor gathers and second voltage sensor gather,
More described real work parameter and the air intake heater staking-out work parameter under the work at present state obtains the comparison module of comparative result;
Judge whether described comparative result satisfies the first judge module of the requirement that the inlet air heating system works under the work at present state;
When the result of described the first judge module is no, analyze the analysis module of the phylogenetic fault type of inlet air heating according to described comparative result.
Preferably, described system also comprises:
Receive control signal that controller sends and disconnect when the inlet air heating system breaks down, with the relay of protection air intake heater, described relay is connected with air intake heater with controller respectively;
The display of the failure code that the phylogenetic fault type of demonstration inlet air heating is corresponding and the number of times of working cycle, described display is connected with controller.
Preferably, described controller also comprises:
Described the first judge module result judges whether overtime the second judge module of work at present status timer when being;
Under the overtime condition of work at present status timer, judge whether the work at present state is the 3rd judge module of the state of cooling;
When the work at present state is not the state of cooling, control the control module that described air intake heater enters next duty of work at present state;
When the work at present state is the state of cooling, judge whether the working cycle counter exceeds the 4th judge module of predetermined threshold value;
When the working cycle counter does not exceed predetermined threshold value, the control air intake heater enters in the working cycle next time of work at present circulation, described working cycle is next time circulated as work at present, and carry out the cycle control module that receives the running parameter of inlet air heating system under the work at present state that gathers.
Preferably, described analysis module specifically comprises:
The actual temperature that judges air intake heater greater than time of the staking-out work temperature of air intake heater whether greater than the 5th judge module of the first Preset Time;
When being, determine that the phylogenetic fault type of inlet air heating is the first determination module of overheating fault in described the 5th judge module result;
In described the 5th judge module result when being no, the virtual voltage that detects the air intake heater power supply less than time of the low threshold value of supply voltage whether greater than the first detection module of the second Preset Time;
Described first detection module result determines that the phylogenetic fault type of inlet air heating is the second low determination module of air intake heater power supply voltage when being;
When described first detection module result is no, the virtual voltage that detects the air intake heater power supply greater than time of supply voltage high threshold whether greater than the second detection module of the 3rd Preset Time;
Described the second detection module result determines that the phylogenetic fault type of inlet air heating is the 3rd high determination module of air intake heater power supply voltage when being.
Preferably, described analysis module specifically comprises:
Whether detect described work at present state is the 3rd detection module that preheats the arbitrary state in state and rear heated condition;
in described the 3rd detection module result when being, judge whether described comparative result satisfies the 6th judge module of air intake heater ablation condition, described air intake heater ablation condition is: the actual temperature of described air intake heater is less than the staking-out work temperature of air intake heater, the actual current of described air intake heater is less than the staking-out work electric current of air intake heater, the virtual voltage of described air intake heater is greater than inlet air heating relay the first staking-out work voltage and less than inlet air heating relay the second staking-out work voltage, and the duration of described comparative result is greater than the 4th Preset Time,
When being, determine that the phylogenetic fault type of inlet air heating is the 4th determination module of air intake heater ablation in described the 6th judge module result;
When described the 6th judge module result is no, judge whether described comparative result satisfies the 7th judge module that the inlet air heating relay damaged connects obstructed condition, described inlet air heating relay damaged connects obstructed condition: the actual temperature of described air intake heater is that virtual voltage zero, described air intake heater is zero less than the actual current of the staking-out work temperature of air intake heater, described air intake heater, and the duration of described comparative result is greater than the 5th Preset Time;
When being, determine that the phylogenetic fault type of inlet air heating is that the inlet air heating relay damaged connects the 5th obstructed determination module in described the 7th judge module result.
Preferably, described analysis module specifically comprises:
Whether detect described work at present state is the 4th detection module of one of standstill state or state of cooling;
Described the 4th detection module result is when being, judge whether described comparative result satisfies the 8th judge module of the inlet air heating relay damaged condition of breaking not open, the described inlet air heating relay damaged condition of breaking not open is: greater than zero, and the duration of described comparative result is greater than the 6th Preset Time less than the actual voltage value of the staking-out work temperature of air intake heater, air intake heater power supply for the actual temperature of described air intake heater;
Described the 8th judge module result determines that the phylogenetic fault type of inlet air heating is the 6th determination module that the inlet air heating relay damaged is broken not open when being.
The utility model, by the staking-out work parameter of well heater under the real work parameter under the work at present state and described work at present state that relatively gathers, obtain comparative result, then judge whether described comparative result satisfies the requirement that the inlet air heating system works under the work at present state, in ungratified situation, which kind of fault has occured in which parts that is the inlet air heating system according to the comparative result analysis that obtains, and has realized the fault self-diagnosis function of inlet air heating system.
Description of drawings
The accompanying drawing that the following describes is only some embodiment that put down in writing in the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the composition frame chart of embodiment 1 of the present utility model;
Fig. 2 is the graph of a relation of well heater and fan blower working time and electric current.
Embodiment
For making those skilled in the art can further understand feature of the present utility model and technology contents, below in conjunction with drawings and Examples, the technical solution of the utility model is described in detail, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
With reference to shown in Figure 1, the embodiment 1 of a kind of inlet air heating system fault diagnosis system that provides for the utility model, described fault diagnosis system comprises:
Principle of work of the present utility model comprises:
In the work at present circulation, sensor assembly 120 gathers the real work parameter of air intake heater 130 under the work at present state, specifically comprise: the virtual voltage that gathers the air intake heater in described real work parameter by the first voltage sensor in sensor assembly, current sensor gathers the actual current of the air intake heater in described real work parameter, and temperature sensor gathers the actual temperature of the air intake heater in described real work parameter and the virtual voltage that the second voltage sensor gathers air intake heater power supply in described real work parameter; The described real work parameter that sensor assembly 120 will gather sends to controller 110.
Shown in reference table 1, table 1 is the description of the signal that sensor assembly 120 gathers in the real work circulation.
The description of table 1 sensor collection signal
| Parameter name | Parametric description |
| AirHt_tTemp | The air intake heater temperature signal |
| BattCD_u | Supply voltage |
| AirHt_iHtr | The air intake heater current signal |
| AirHt_uHtr | The air intake heater voltage signal |
Wherein AirHt_tTemp is air intake heater actual temperature signal parameter, and BattCD_u is the power supply virtual voltage parameter of air intake heater power supply, and AirHt_iHtr is air intake heater actual current signal parameter.Parameter name in table 1 can as the name reference in practical application, can not be regarded the restriction to the utility model protection domain as.
In the working cycle of air intake heater, each reference parameter according to real work cycling condition and working cycle empirical value setting working cycle, the reference parameter of described setting is called the staking-out work parameter, shown in reference table 2, and staking-out work parameter and the description thereof of table 2 for setting.
Staking-out work parameter and description thereof that table 2 is set
The staking-out work parameter of setting in table 2 all can be adjusted according to the real work loop condition, and the parameter name shown in it only is used for can not regarding the restriction to the utility model protection domain as to using the schematic explanation of parameter in the present embodiment.
ECU is with the real work parameter of the air intake heater 130 that receives, be air intake heater actual current, virtual voltage, actual temperature and air intake heater power supply virtual voltage respectively with the staking-out work parameter in the staking-out work voltage of staking-out work electric current, staking-out work voltage, staking-out work temperature and air intake heater power supply of air intake heater compare respectively, obtain comparative result.
after obtaining comparative result, ECU judges whether described comparative result satisfies the requirement that air intake heater works under the work at present state, shown in reference table 2, as can be known, a standard of the staking-out work parameter provides when being the normal operation of inlet air heating system parameters, so the actual judgement of ECU is the requirement whether the real work parameter of air intake heater 130 meets the staking-out work parameter, if satisfy, the second judge module judges whether the work at present status timer is overtime, if the work at present status timer is overtime, the 3rd judge module judges whether the work at present state is the state of cooling, if not, control module is controlled next duty that described air intake heater enters the work at present state, if, the 4th judge module judges whether the working cycle counter exceeds predetermined threshold value, if the working cycle counter does not exceed predetermined threshold value, cycle control module controls air intake heater enters in the working cycle next time of work at present circulation, described working cycle is next time circulated as work at present, and carry out the running parameter of air intake heater under the work at present state that receives collection.
If described real work parameter does not meet the requirement of staking-out work parameter, ECU is by the phylogenetic fault of Analysis deterrmination inlet air heating and fault type thereof, and described ECU analyzes the phylogenetic fault type of inlet air heating and specifically comprises:
The actual temperature that the 5th judge module of ECU judges air intake heater 130 greater than time of the staking-out work temperature of air intake heater whether greater than the first Preset Time, if greater than the first Preset Time, the first determination module determines that the phylogenetic fault type of inlet air heating is the air intake heater overheating fault.
Calibrating parameters list shown in reference table 2 as can be known, the staking-out work temperature of air intake heater is 120 degree, be ECU the 5th actual judgement of judge module be the actual temperature of air intake heater whether greater than 120 degree, described the first Preset Time is overheating fault acknowledging time threshold values.
If less than the first Preset Time, whether the virtual voltage of the first detection module of ECU detection air intake heater power supply hangs down the time of threshold value greater than the second Preset Time less than supply voltage, if greater than the second Preset Time, the second determination module determines that the phylogenetic fault type of inlet air heating is that air intake heater power supply voltage is low.
Shown in reference table 2, as can be known, the low threshold value of described voltage is 18 volts, i.e. the actual detection of the first detection module of ECU be the virtual voltage of air intake heater power supply less than time of 18 volts whether greater than the second Preset Time, described the second Preset Time is 20s.
If less than the second Preset Time, the second detection module virtual voltage of detecting the air intake heater power supply greater than the time of supply voltage high threshold whether greater than the 3rd Preset Time, if greater than the 3rd Preset Time, the 3rd determination module determines that the phylogenetic fault type of inlet air heating is that air intake heater power supply voltage is high.
Shown in reference table 2, as can be known, described voltage high threshold is 28 volts, namely ECU actual detect be the virtual voltage of air intake heater power supply greater than time of 28 volts whether greater than the 3rd Preset Time, described the 3rd Preset Time is 20s.
If less than the 3rd Preset Time, whether the 3rd detection module detects described work at present state for preheating one of state or rear heated condition, if described work at present state is to preheat one of state or rear heated condition, the 6th judge module judges whether described comparative result satisfies the condition of air intake heater ablation.
The condition of described air intake heater ablation is: the actual temperature of described air intake heater less than the actual current of the demarcation temperature of air intake heater, described air intake heater less than the virtual voltage of the staking-out work electric current of air intake heater, described air intake heater greater than inlet air heating relay staking-out work voltage low valve valve and less than the high threshold values of inlet air heating relay staking-out work voltage, and the duration of described comparative result is fixed greater than the 4th Preset Time.
calibrating parameters shown in reference table 2 as can be known, the staking-out work temperature of described air intake heater is 120 degree, the staking-out work electric current of air intake heater is 65 amperes, inlet air heating relay staking-out work voltage low valve valve is 16 volts, the high threshold values of inlet air heating relay staking-out work voltage is 30 volts, be that actual what carry out is to judge that whether described comparative result is to ECU: the actual temperature of described air intake heater is less than 120 degree, the actual current of described air intake heater is less than 65 amperes, the virtual voltage of described air intake heater is greater than 16 volts and less than 30 volts, and the time that described comparative result continues is greater than the 4th Preset Time, described the 4th Preset Time is well heater ablation fault recognition time threshold values.
If less than the 4th Preset Time, the 7th judge module judges whether described comparative result satisfies the inlet air heating relay damaged and connect obstructed condition.
Described inlet air heating relay damaged connects obstructed condition: the actual temperature of described air intake heater is that virtual voltage zero, described air intake heater is zero less than the actual current of the demarcation temperature of air intake heater, described air intake heater, and the duration of described comparative result is greater than the 5th Preset Time.
Calibrating parameters shown in reference table 2 as can be known, ECU is actual, and what carry out is to judge that whether described comparative result is: the actual temperature of described air intake heater less than the actual current of 120 degree, described air intake heater less than 0.1 ampere, the virtual voltage of described air intake heater less than 0.1 volt, and the duration of described comparative result, described the 5th Preset Time was that the inlet air heating relay damaged connects obstructed fault recognition time threshold values greater than the 5th Preset Time.
If described work at present state is not to preheat one of state or rear heated condition, the 4th detection module detects whether described work at present state is one of standstill state or state of cooling, if described work at present state is one of standstill state or state of cooling, the 8th judge module judges whether described comparative result satisfies the condition that the inlet air heating relay damaged is broken not open.
The condition that described inlet air heating relay damaged is broken not open is: greater than zero, and the duration of described comparative result is greater than the 6th Preset Time less than the actual voltage value of the demarcation temperature of air intake heater, air intake heater power supply for the actual temperature of described air intake heater.
Calibrating parameters shown in reference table 2 as can be known, the 8th judge module is actual, and what carry out is to judge that whether described comparative result is: the actual temperature of described air intake heater less than the virtual voltage of 120 degree, described air intake heater greater than 0.1 volt, and the duration of described comparative result is greater than the 6th Preset Time, and described the 6th Preset Time is the inlet air heating relay damaged fault recognition time threshold values that breaks not open.
After the phylogenetic fault of ECU diagnosis inlet air heating, for the ease of the analysis to described fault, described system further comprises:
Show the display 150 of the failure code that the phylogenetic fault type of inlet air heating is corresponding, described display 150 is connected with controller 110;
Receive control signal that controller sends and disconnect when the inlet air heating system breaks down, with the relay 160 of protection air intake heater, described relay 160 is connected with air intake heater with controller 110 respectively and is connected;
ECU transmits control signal to inlet air heating relay 160, controlling the inlet air heating relay disconnects, described inlet air heating relay disconnects after receiving described control signal, air intake heater will enter halted state, namely when the inlet air heating system breaks down, the inlet air heating system can be automatically out of service, simultaneously, the failure code that described ECU is corresponding with described fault sends to display 150, show after the failure code that display 150 reception ECU send, check for the staff, in addition, the staff can set fault and get rid of acknowledging time, after the staff fixes a breakdown, after ECU gets rid of acknowledging time through corresponding fault, can be further by transmitting control signal to the parts that break down, normal operation recovers in control inlet air heating system.
The analysis of the fault diagnosis that above-mentioned the utility model carries out is to carry out in the working cycle of air intake heater, and the specific works principle of described air intake heater working cycle comprises:
the ECU initialization, described ECU initialization refers to that ECU transmits control signal to the inlet air heating relay and controls the inlet air heating relay and connect, transmit control signal to air intake heater and control not air intake heater work, also claim that air intake heater is in halted state this moment, described inlet air heating relay is a kind of electric control device, when the variation of the input quantity of inlet air heating relay reaches regulation and requires, the inlet air heating relay can make input quantity that predetermined step variation occurs, such as input quantity is voltage, the assigned voltage value is low level between 0-5V the time, represent with " 0 ", when input voltage is become voltage higher than 5V by the arbitrary value between 0-5V, the output of inlet air heating relay becomes " 1 " by " 0 ", described " 1 " expression high level.
After the ECU initialization, air intake heater enters halted state, if ECU detects the signal that air intake heater is started working after initialization, and this moment, the inlet air heating system did not break down (described fault is that break not open fault and inlet air heating relay of the low fault of the voltage of air intake heater power supply, the high fault of voltage of air intake heater power supply, air intake heater overheating fault, air intake heater ablation fault, inlet air heating relay connects obstructed fault), started the working cycle counter.
ECU detects the signal that air intake heater is started working after initialization, and this moment, the inlet air heating system did not break down, after starting the working cycle counter, transmit control signal to described air intake heater, control air intake heater and enter the state of preheating.Air intake heater enters when preheating state, and ECU starts and to preheat status timer and begin timing, if described to preheat status timer overtime, ECU preheats the status timer zero clearing with described.
Described preheat status timer overtime after, ECU exports control signal to air intake heater, control air intake heater and stop preheating state, enter standstill state, at this moment, ECU starts the standstill state timer and begins timing, if described standstill state timer expired, ECU is with the zero clearing of standstill state timer.
After described standstill state timer expired, ECU exports control signal to air intake heater, control air intake heater and stop standstill state, enter rear heated condition, at this moment, after ECU starts, the heated condition timer begins timing, if described rear heated condition timer expired, ECU is with the zero clearing of rear heated condition timer, simultaneously, can adopt fan blower to provide cold air to air intake heater, the air inlet situation work during with the simulated engine actual motion.
After described rear heated condition timer expired, ECU exports control signal to air intake heater, control air intake heater and stop rear heated condition, enter the state of cooling, at this moment, ECU starts state of cooling timer and begins timing, if described state of cooling timer expired, ECU is with the zero clearing of state of cooling timer, and the working cycle counter adds 1.When air intake heater is in the state of cooling, adopt fan blower to provide cold air to air intake heater, the air inlet situation during with the simulated engine actual motion.
Foregoing is once complete working cycle, after completing the one action circulation, ECU judges whether the working cycle counter surpasses predetermined threshold value, if surpass, ECU disconnects to the relay pilot relay that transmits control signal, after relay disconnected, air intake heater quit work, and working cycle finishes; If do not surpass, ECU controls air intake heater and enters next working cycle, for the ease of judging by ECU whether the working cycle counter surpasses predetermined threshold value, described device further comprises display apparatus module 140, described display apparatus module 140 is connected with controller, is used for showing the number of times of working cycle.When the number of times of working cycle reached predetermined threshold value, ECU can come the controlled circulation counter O reset by logical circuit.
Shown in reference table 3, table 3 is the conversion of air intake heater state and switch condition thereof in working cycle.Corresponding to table 3, with reference to shown in Figure 2, Fig. 2 is in the air intake heater working cycle, the graph of a relation of well heater and fan blower working time and electric current, and wherein the Preset Time of each state of air intake heater all adopts the default value of the relevant staking-out work parameter shown in table 3.
The conversion of table 1 air intake heater state and switch condition thereof
| State indicates | Switch condition is described |
| Preheat state | The inlet air heating exerciser is started working, inlet air heating system non-fault |
| Standstill state | Preheat status timer overtime |
| Rear heated condition | The standstill state timer expired |
| The state of cooling | Rear heated condition timer expired |
in the present embodiment, the well heater staking-out work parameter under real work parameter work at present state under and described work at present state of ECU by relatively gathering, obtain comparative result, then judge whether described comparative result satisfies the requirement that air intake heater works under the work at present state, in ungratified situation, which kind of fault has occured in which parts that is the inlet air heating system according to the comparative result analysis that obtains, realized the fault self-diagnosis function of inlet air heating system, in addition, after type is out of order in the ECU diagnosis, generate corresponding failure code, thereby and described failure code is shown by display carry out for the staff fault that fault type that the eliminating of fault can make the staff obtain according to analysis carries out the inlet air heating system and get rid of.
In actual applications, what adopt during the air intake heater power supply is 24 overhead accumulators, the voltage of described accumulator is lower than harmful minimum safe voltage, so adopting described accumulator is safe to human body, but the battery-operated spread of voltage, so can be the air intake heater power supply in actual applications with described accumulator electricity supply device special.
The above is only preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., within all should being included in the protection domain of utility model.
Claims (6)
1. inlet air heating system fault diagnosis system, it is characterized in that, described system comprises: the controller, sensor assembly, power module and the air intake heater that carry out the fault diagnosis of inlet air heating system, controller is connected with sensor assembly, sensor assembly is connected with the air intake heater that is connected, power module is connected with air intake heater with sensor assembly respectively, wherein:
described controller comprises: in the work at present circulation, the receiver module of the real work parameter of air intake heater under the work at present state that the receiving sensor module gathers, the virtual voltage that specifically comprises the air intake heater in the described real work parameter that receives the first voltage sensor collection, the actual current of the air intake heater in the described real work parameter that current sensor gathers, the virtual voltage of air intake heater power supply in the described real work parameter that the actual temperature of the air intake heater in the described real work parameter that temperature sensor gathers and second voltage sensor gather,
More described real work parameter and the air intake heater staking-out work parameter under the work at present state obtains the comparison module of comparative result;
Judge whether described comparative result satisfies the first judge module of the requirement that the inlet air heating system works under the work at present state;
When the result of described the first judge module is no, analyze the analysis module of the phylogenetic fault type of inlet air heating according to described comparative result.
2. system according to claim 1, is characterized in that, described system also comprises:
Receive control signal that controller sends and disconnect when the inlet air heating system breaks down, with the relay of protection air intake heater, described relay is connected with air intake heater with controller respectively;
The display of the failure code that the phylogenetic fault type of demonstration inlet air heating is corresponding and the number of times of working cycle, described display is connected with controller.
3. system according to claim 1, is characterized in that, described controller also comprises:
Described the first judge module result judges whether overtime the second judge module of work at present status timer when being;
Under the overtime condition of work at present status timer, judge whether the work at present state is the 3rd judge module of the state of cooling;
When the work at present state is not the state of cooling, control the control module that described air intake heater enters next duty of work at present state;
When the work at present state is the state of cooling, judge whether the working cycle counter exceeds the 4th judge module of predetermined threshold value;
When the working cycle counter does not exceed predetermined threshold value, the control air intake heater enters in the working cycle next time of work at present circulation, described working cycle is next time circulated as work at present, and carry out the cycle control module that receives the running parameter of inlet air heating system under the work at present state that gathers.
4. system according to claim 1, is characterized in that, described analysis module specifically comprises:
The actual temperature that judges air intake heater greater than time of the staking-out work temperature of air intake heater whether greater than the 5th judge module of the first Preset Time;
When being, determine that the phylogenetic fault type of inlet air heating is the first determination module of overheating fault in described the 5th judge module result;
In described the 5th judge module result when being no, the virtual voltage that detects the air intake heater power supply less than time of the low threshold value of supply voltage whether greater than the first detection module of the second Preset Time;
Described first detection module result determines that the phylogenetic fault type of inlet air heating is the second low determination module of air intake heater power supply voltage when being;
When described first detection module result is no, the virtual voltage that detects the air intake heater power supply greater than time of supply voltage high threshold whether greater than the second detection module of the 3rd Preset Time;
Described the second detection module result determines that the phylogenetic fault type of inlet air heating is the 3rd high determination module of air intake heater power supply voltage when being.
5. system according to claim 1, is characterized in that, described analysis module specifically comprises:
Whether detect described work at present state is the 3rd detection module that preheats the arbitrary state in state and rear heated condition;
in described the 3rd detection module result when being, judge whether described comparative result satisfies the 6th judge module of air intake heater ablation condition, described air intake heater ablation condition is: the actual temperature of described air intake heater is less than the staking-out work temperature of air intake heater, the actual current of described air intake heater is less than the staking-out work electric current of air intake heater, the virtual voltage of described air intake heater is greater than inlet air heating relay the first staking-out work voltage and less than inlet air heating relay the second staking-out work voltage, and the duration of described comparative result is greater than the 4th Preset Time,
When being, determine that the phylogenetic fault type of inlet air heating is the 4th determination module of air intake heater ablation in described the 6th judge module result;
When described the 6th judge module result is no, judge whether described comparative result satisfies the 7th judge module that the inlet air heating relay damaged connects obstructed condition, described inlet air heating relay damaged connects obstructed condition: the actual temperature of described air intake heater is that virtual voltage zero, described air intake heater is zero less than the actual current of the staking-out work temperature of air intake heater, described air intake heater, and the duration of described comparative result is greater than the 5th Preset Time;
When being, determine that the phylogenetic fault type of inlet air heating is that the inlet air heating relay damaged connects the 5th obstructed determination module in described the 7th judge module result.
6. system according to claim 1, is characterized in that, described analysis module specifically comprises:
Whether detect described work at present state is the 4th detection module of one of standstill state or state of cooling;
Described the 4th detection module result is when being, judge whether described comparative result satisfies the 8th judge module of the inlet air heating relay damaged condition of breaking not open, the described inlet air heating relay damaged condition of breaking not open is: greater than zero, and the duration of described comparative result is greater than the 6th Preset Time less than the actual voltage value of the staking-out work temperature of air intake heater, air intake heater power supply for the actual temperature of described air intake heater;
Described the 8th judge module result determines that the phylogenetic fault type of inlet air heating is the 6th determination module that the inlet air heating relay damaged is broken not open when being.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220686380 CN202975799U (en) | 2012-12-12 | 2012-12-12 | Fault diagnosing system of air intake heating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220686380 CN202975799U (en) | 2012-12-12 | 2012-12-12 | Fault diagnosing system of air intake heating system |
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| CN202975799U true CN202975799U (en) | 2013-06-05 |
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| CN 201220686380 Expired - Lifetime CN202975799U (en) | 2012-12-12 | 2012-12-12 | Fault diagnosing system of air intake heating system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248133A (en) * | 2016-08-15 | 2016-12-21 | 上海交通大学 | A kind of heater full working scope upper end difference and lower end difference should reach the On-line Estimation method of value |
| CN108693398A (en) * | 2017-03-31 | 2018-10-23 | 阿自倍尔株式会社 | Apparatus for diagnosing deterioration and method |
| CN110108320A (en) * | 2018-05-08 | 2019-08-09 | 国网湖南省电力有限公司 | Temperature and humidity calibration equipment and its method of calibration and heating moisture separating device |
| CN110646684A (en) * | 2018-06-27 | 2020-01-03 | 北京北方华创微电子装备有限公司 | Heater fault detection device and method, heating system and semiconductor processing equipment |
| CN111796216A (en) * | 2020-07-14 | 2020-10-20 | 河北金环包装有限公司 | Fault detector and fault detection method for plastic cover heating device |
-
2012
- 2012-12-12 CN CN 201220686380 patent/CN202975799U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248133A (en) * | 2016-08-15 | 2016-12-21 | 上海交通大学 | A kind of heater full working scope upper end difference and lower end difference should reach the On-line Estimation method of value |
| CN108693398A (en) * | 2017-03-31 | 2018-10-23 | 阿自倍尔株式会社 | Apparatus for diagnosing deterioration and method |
| CN110108320A (en) * | 2018-05-08 | 2019-08-09 | 国网湖南省电力有限公司 | Temperature and humidity calibration equipment and its method of calibration and heating moisture separating device |
| CN110646684A (en) * | 2018-06-27 | 2020-01-03 | 北京北方华创微电子装备有限公司 | Heater fault detection device and method, heating system and semiconductor processing equipment |
| CN111796216A (en) * | 2020-07-14 | 2020-10-20 | 河北金环包装有限公司 | Fault detector and fault detection method for plastic cover heating device |
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