CN103009960A - Monitoring equipment and method for electric air compression system of electric vehicle - Google Patents
Monitoring equipment and method for electric air compression system of electric vehicle Download PDFInfo
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- CN103009960A CN103009960A CN2012105747002A CN201210574700A CN103009960A CN 103009960 A CN103009960 A CN 103009960A CN 2012105747002 A CN2012105747002 A CN 2012105747002A CN 201210574700 A CN201210574700 A CN 201210574700A CN 103009960 A CN103009960 A CN 103009960A
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Abstract
The embodiment of the invention discloses monitoring equipment and a monitoring method for an electric air compression system of an electric vehicle. The equipment comprises a voltage sampling unit, a current sensor, a first pressure sensor, a second pressure sensor and a data processing module, wherein the data processing module is used for receiving a voltage value, a current value, a first pressure value and a second pressure value, and giving a corresponding failure indication when discovering that the voltage value, the current value, the second pressure value or the first pressure value is abnormal. According to the embodiment of the invention, a plurality of devices such as the sensors are additionally arranged on the basis of the conventional electric air compression system, and instructions are given in a failure alarming way after analysis, so that the working state of the electric air compression system can be monitored, and a gap in the prior art is supplied. In addition, according to the embodiment of the invention, the power consumption information of the system can also be acquired.
Description
Technical field
The embodiment of the invention relates generally to electronlmobil monitoring field, especially relates to a kind of monitoring equipment and method of used for electric vehicle electric air compression system.
Background technology
Used for electric vehicle electric air compression system generally comprises the parts such as high voltage connector, motor, Air compressor (air compressor), dryer, four-loop protection valve, storage tank, referring to shown in Figure 1.Be provided with paddle hole and air inlet/outlet on the Air compressor.Pass through key switch; the T15 relay begins to power on; high voltage connector is connected under the logic control of car load control unit HCU; high tension supply begins to power to motor; motor rotation drives Air compressor work, and air is compressed into 6 ~ 8bar and distributes to a plurality of storage tanks (general 4 storage tanks of bus) through four-loop protection valve again after by dryer dehumidifying, oil removing.Generally provide refrigerant fluid by electromotor cooling system for Air compressor in electronlmobil, be designed with built-in unloader valve in the dryer, unnecessary gas is discharged atmosphere through built-in unloader valve after storage tank holds completely.
In the prior art, the car load control unit can pass through (the abbreviation of Controller Area Network of CAN bus with the parameter signal in the car load driving process or fault, it is the serial communication protocol of ISO international standarkdization, be used for the data transmission a large amount of, high speed between each electronic control system) send to monitor screen, to detect the basic status of car load.But, do not consider the mode of operation of electric air compression system in the prior art, in other words, the current mode of operation that does not still have related measure or device can monitor used for electric vehicle electric air compression system, this will bring a series of problem, as, can't carry out timely and effectively early warning to the fault that the electric air compression system occurs, can not find and process dependent failure the very first time to avoid the generation of more serious accident; The used for electric vehicle air compression system is coordinated control by the car load control unit, and personnel operation participation amount is few, and chaufeur only can be processed at present by rule of thumb to dependent failure; The maintainer can not locate trouble unit fast in addition, has increased maintenance difficulty and cost.
Summary of the invention
In view of this, the purpose of the embodiment of the invention provides a kind of monitoring equipment and method of used for electric vehicle electric air compression system, to solve the current technical matters that can't monitor used for electric vehicle electric air compression system mode of operation.
On the one hand, the embodiment of the invention discloses a kind of monitoring equipment of used for electric vehicle electric air compression system, described equipment comprises:
The voltage sample unit is used for gathering motor both end voltage value, and sends described magnitude of voltage to data processing module;
Current sensor be used for to gather the current value of motor high-tension bus-bar, and sends described current value to data processing module;
The first pressure sensor be used for to gather the first force value of air compressor exit gas, and sends described the first force value to data processing module;
The second pressure sensor be used for to gather the second force value of air receiver, and sends described the second force value to data processing module;
Data processing module is used for:
Receive described magnitude of voltage, current value, the first force value, the second force value;
When described magnitude of voltage is in the voltage normal range that presets, described current value is 0, then send the circuit system indicating fault;
When described magnitude of voltage is 0, described current value also is 0, then sends CAN bus communication indicating fault;
Be in the electric current normal range that presets when described magnitude of voltage is in the voltage normal range that presets, described current value, described the second force value is in the second pressure normal range that presets, and described the first force value is not in the first pressure normal range that presets, and then sends Air compressor dryer indicating fault;
Be in the electric current normal range that presets when described magnitude of voltage is in the voltage normal range that presets, described current value, described the first force value is in the first pressure normal range that presets, and described the second force value is not in the second pressure normal range that presets, and then sends the unloader valve indicating fault;
When being in the voltage normal range that presets, described current value, described magnitude of voltage is in that the electric current normal range that presets, described the first force value are in the first pressure normal range that presets, described the second force value also is in the second pressure normal range that presets, and then sends air compression system indication working properly.
Preferably, describedly be in the electric current normal range that presets when described magnitude of voltage is in the voltage normal range that presets, described current value, described the second force value is in the second pressure normal range that presets, and described the first force value is not in the first pressure normal range that presets, then send Air compressor dryer indicating fault, comprising:
Be in the electric current normal range that presets when described magnitude of voltage is in the voltage normal range that presets, described current value, described the second force value is in the second pressure normal range that presets, then: described the first force value is lower than the first pressure normal range that presets and then sends the Air compressor indicating fault, and described the first force value is higher than the first pressure normal range that presets and then sends the dryer indicating fault.
Preferably, describedly be in the electric current normal range that presets when described magnitude of voltage is in the voltage normal range that presets, described current value, described the first force value is in the first pressure normal range that presets, and described the second force value is not in the second pressure normal range that presets, then send the unloader valve indicating fault, comprising:
Be in the electric current normal range that presets when described magnitude of voltage is in the voltage normal range that presets, described current value, described the first force value is in the first pressure normal range that presets, then: described the second force value is higher than the second pressure normal range that presets then to be sent unloader valve and opens difficult indicating fault, and described the second force value is lower than the second pressure normal range that presets and then sends unloader valve and often open indicating fault.
Preferably, described equipment also comprises:
Read-out is used for after receiving the various described indicating fault that described data processing module sends, according to received indicating fault in the default information that shows that screen display is corresponding.
Preferably, described data processing module also is used for:
Obtain the consumption of current of described system according to described magnitude of voltage and described current value.
On the other hand, the embodiment of the invention also discloses a kind of monitoring method of used for electric vehicle electric air compression system, described method comprises:
Gather respectively the current value in motor both end voltage value, the motor high-tension bus-bar, the first force value of air compressor exit gas, the second force value in the air receiver;
If described magnitude of voltage is in the voltage normal range that presets, described current value is 0, then send the circuit system indicating fault;
If described magnitude of voltage is 0, described current value also is 0, then sends CAN bus communication indicating fault;
The voltage normal range that presets, described current value are in the electric current normal range that presets, described the second force value is in the second pressure normal range that presets if described magnitude of voltage is in, and described the first force value is not in the first pressure normal range that presets, and then sends Air compressor dryer indicating fault;
The voltage normal range that presets, described current value are in the electric current normal range that presets, described the first force value is in the first pressure normal range that presets if described magnitude of voltage is in, and described the second force value is not in the second pressure normal range that presets, and then sends the unloader valve indicating fault;
If described magnitude of voltage is in the voltage normal range that presets, described current value and is in that the electric current normal range that presets, described the first force value are in the first pressure normal range that presets, described the second force value also is in the second pressure normal range that presets, and then sends air compression system indication working properly.
Preferably, the voltage normal range that presets, described current value are in the electric current normal range that presets, described the second force value is in the second pressure normal range that presets if described magnitude of voltage is in, and described the first force value is not in the first pressure normal range that presets, then send Air compressor dryer indicating fault, comprising:
The voltage normal range that presets, described current value are in the electric current normal range that presets, described the second force value is in the second pressure normal range that presets if described magnitude of voltage is in, then: described the first force value is lower than the first pressure normal range that presets and then sends the Air compressor indicating fault, and described the first force value is higher than the first pressure normal range that presets and then sends the dryer indicating fault.
Preferably, the voltage normal range that presets, described current value are in the electric current normal range that presets, described the first force value is in the first pressure normal range that presets if described magnitude of voltage is in, and described the second force value is not in the second pressure normal range that presets, then send the unloader valve indicating fault, comprising:
The voltage normal range that presets, described current value are in the electric current normal range that presets, described the first force value is in the first pressure normal range that presets if described magnitude of voltage is in, then: described the second force value is higher than the second pressure normal range that presets then to be sent unloader valve and opens difficult indicating fault, and described the second force value is lower than the second pressure normal range that presets and then sends unloader valve and often open indicating fault.
Preferably, described method also comprises:
After sending various described indicating fault, according to the indicating fault that sends in the information that shows that screen display is default.
Preferably, described method also comprises:
After collecting described magnitude of voltage and described current value, obtain the consumption of current of described system according to described magnitude of voltage and described current value.
The embodiment of the invention is passed through to add the corresponding data acquisition instrument in the electric air compression system, and realizes the working state monitoring to the electric air compression system after certain logic is processed.Concrete, the embodiment of the invention is on original electric air compression system basis, a plurality of sensor data acquisition instruments have been increased, gather respectively the signals such as Air compressor electric current in the electric air compression system and voltage, airline pressure, storage tank pressure, by analysis, send indication in the mode of fault alarm again, thereby realized the monitoring to electric air compression system mode of operation, remedied blank of the prior art.The embodiment of the invention can also be obtained the consumption of current information of system in addition.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, 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 used for electric vehicle electric air compression system scheme drawing in the explanation prior art;
Fig. 2 is used for electric vehicle electric air compression system scheme drawing in the explanation embodiment of the invention one;
Fig. 3 is the diagram of circuit of the explanation embodiment of the invention two methods.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
For complete understanding the present invention, mentioned in the following detailed description numerous concrete details, but it should be appreciated by those skilled in the art that the present invention can need not these details and realizes.In other embodiments, be not described in detail known method, process, assembly and circuit, in order to avoid unnecessarily cause embodiment fuzzy.
In electric air compression system working process, following problem often appears:
1) the power supply electrifying rear motor is not worked: be commonly considered as electrical fault or power lead and connect fault.Because electronlmobil engine mode and the motor mode of existing in service, chaufeur is judged difficulty of air compression system failure ratio by observing, and obscures easily.This fault directly causes air compression system not work, and affects car door opening and car brakeing, has a strong impact on driving safety.
2) storage tank is built and is pressed difficulty: Air compressor can't to storage tank inflate or inflate quantity less.Fault cause is a lot, such as pipeline gas leakage, Air compressor failsafety, the built-in unloader valve fault of dryer etc.On the one hand chaufeur can't find that there is fault in air compression system the very first time, will affect vehicle after waiting the storage tank compressed air to be finished normally to use, and accident occurs easily; The maintainer can not locate trouble unit fast on the other hand, increases maintenance difficulty.
3) storage tank overvoltage: can assert the built-in unloader valve fault of dryer.Cause driving dangerous owing to the Air compressor mode of operation is not taken measures to cause the storage tank hypertonia this moment.
As seen in the prior art owing to can't monitor used for electric vehicle electric air compression system, will bring a lot of hidden danger.
Embodiment one
Fig. 2 is used for electric vehicle electric air compression system scheme drawing in the embodiment of the invention one, has wherein comprised the monitoring equipment of the disclosed used for electric vehicle electric air of present embodiment compression system.Described equipment comprises:
Voltage sample unit 201 is used for gathering motor both end voltage value, and sends described magnitude of voltage to data processing module.Voltage range is generally 200 ~ 400V.
The first pressure sensor 203 be used for to gather the first force value of air compressor exit gas, and sends described the first force value to data processing module.
The second pressure sensor 204 be used for to gather the second force value of air receiver, and sends described the second force value to data processing module.
Receive described magnitude of voltage, current value, the first force value, the second force value;
When described magnitude of voltage is in the voltage normal range that presets, described current value is 0, then send circuit system indicating fault (operating voltage when the voltage normal range depends on system is generally this value of 220V or 380V);
When described magnitude of voltage is 0, described current value also is 0, then sends CAN bus communication indicating fault;
Be in the electric current normal range that presets when described magnitude of voltage is in the voltage normal range that presets, described current value, described the second force value is in the second pressure normal range that presets, and described the first force value is not in the first pressure normal range that presets, be described the first pressure anomaly, (first, second pressure normal range is generally 7 ~ 10bar) then to send Air compressor dryer indicating fault;
Be in the electric current normal range that presets when described magnitude of voltage is in the voltage normal range that presets, described current value, described the first force value is in the first pressure normal range that presets, and described the second force value is not in the second pressure normal range that presets, namely the second force value is unusual, then sends the unloader valve indicating fault;
When being in the voltage normal range that presets, described current value, described magnitude of voltage is in that the electric current normal range that presets, described the first force value are in the first pressure normal range that presets, described the second force value also is in the second pressure normal range that presets, and then sends air compression system indication working properly.
Need to prove that data processing module 205 is integrated in the function of car load control unit in the present embodiment, as an independent or compatible functional module, and the original function of car load control unit does not become, so only marked data processing module 205 among Fig. 2.
Present embodiment has carried out modularized processing with data processing function, the software function independent design, and directly embedding gets final product under identical communications protocol, and the code encapsulation generates to wait and also can finish separately.From hardware aspect, can develop separately independently data processing module, can realize at circuit card directly that become the separate hardware product after the shell encapsulation, car load is installed and used all more convenient.Also can be integrated with the car load control unit, but need to reserve corresponding stitch in earlier stage in the exploitation of car load control unit, data processing unit can be embedded in the car load control unit, just can well be connected with the car load control unit after like this data processing unit stitch clearly being defined, save cost.
By above data processing module and the work of each sensor synergism, can effectively judge the air compression system mode of operation, fault verification is accurately clear, is conducive to fault handling.
Preferably, in other embodiments of the invention, describedly be in the electric current normal range that presets when described magnitude of voltage is in the voltage normal range that presets, described current value, described the second force value is in the second pressure normal range that presets, and described the first force value is not in the first pressure normal range that presets, then send Air compressor dryer indicating fault, can comprise:
Be in the electric current normal range that presets when described magnitude of voltage is in the voltage normal range that presets, described current value, described the second force value is in the second pressure normal range that presets, then: described the first force value is lower than the first pressure normal range that presets and then sends the Air compressor indicating fault, and described the first force value is higher than the first pressure normal range that presets and then sends the dryer indicating fault.When the first force value is unusual: cross low explanation Air compressor pressurized air difficulty, compressor air inlet difficulty or the inner card of compressor and damage, should send the Air compressor indicating fault; Too high explanation dryer stops up or built-in unloader valve is opened fault, should send the dryer indicating fault;
Preferably, in other embodiments of the invention, describedly be in the electric current normal range that presets when described magnitude of voltage is in the voltage normal range that presets, described current value, described the first force value is in the first pressure normal range that presets, and described the second force value is not in the second pressure normal range that presets, then send the unloader valve indicating fault, comprising:
Be in the electric current normal range that presets when described magnitude of voltage is in the voltage normal range that presets, described current value, described the first force value is in the first pressure normal range that presets, then: described the second force value is higher than the second pressure normal range that presets then to be sent unloader valve and opens difficult indicating fault, and described the second force value is lower than the second pressure normal range that presets and then sends unloader valve and often open indicating fault.If the too high explanation unloader valve of the second force value is opened difficulty, cross low explanation unloader valve and often open.
In addition, in certain embodiments of the invention, described equipment can also comprise:
Read-out 206 is used for after receiving the various described indicating fault that described data processing module sends, according to received indicating fault in the default information that shows that screen display is corresponding.Described read-out can be independent read-out, can come indication fault information by all kinds of indicator lamps or display text.Described read-out also can be realized by the original telltale of car load.
In addition, in certain embodiments of the invention, described data processing module also is used for:
Obtain the consumption of current of described system according to described magnitude of voltage and described current value.Generally speaking, consumption of current=current value * magnitude of voltage * time.
Embodiment two
Fig. 3 is the diagram of circuit of the embodiment of the invention two methods, and present embodiment discloses a kind of monitoring method of used for electric vehicle electric air compression system based on a upper embodiment, and described method comprises:
S301, gather the current value in motor both end voltage value, the motor high-tension bus-bar, the first force value of air compressor exit gas, the second force value in the air receiver respectively;
If the described magnitude of voltage of S302 is in the voltage normal range that presets, described current value is 0, then send the circuit system indicating fault;
If the described magnitude of voltage of S303 is 0, described current value also is 0, then sends CAN bus communication indicating fault;
The voltage normal range that presets, described current value are in the electric current normal range that presets, described the second force value is in the second pressure normal range that presets if the described magnitude of voltage of S304 is in, and described the first force value is not in the first pressure normal range that presets, and then sends Air compressor dryer indicating fault;
The voltage normal range that presets, described current value are in the electric current normal range that presets, described the first force value is in the first pressure normal range that presets if the described magnitude of voltage of S305 is in, and described the second force value is not in the second pressure normal range that presets, and then sends the unloader valve indicating fault;
If the described magnitude of voltage of S306 is in the voltage normal range that presets, described current value and is in that the electric current normal range that presets, described the first force value are in the first pressure normal range that presets, described the second force value also is in the second pressure normal range that presets, and then sends air compression system indication working properly.
In certain embodiments of the invention, preferably, the voltage normal range that presets, described current value are in the electric current normal range that presets, described the second force value is in the second pressure normal range that presets if described magnitude of voltage is in, and described the first force value is not in the first pressure normal range that presets, then send Air compressor dryer indicating fault, comprising:
The voltage normal range that presets, described current value are in the electric current normal range that presets, described the second force value is in the second pressure normal range that presets if described magnitude of voltage is in, then: described the first force value is lower than the first pressure normal range that presets and then sends the Air compressor indicating fault, and described the first force value is higher than the first pressure normal range that presets and then sends the dryer indicating fault.
In certain embodiments of the invention, preferably, the voltage normal range that presets, described current value are in the electric current normal range that presets, described the first force value is in the first pressure normal range that presets if described magnitude of voltage is in, and described the second force value is not in the second pressure normal range that presets, then send the unloader valve indicating fault, comprising:
The voltage normal range that presets, described current value are in the electric current normal range that presets, described the first force value is in the first pressure normal range that presets if described magnitude of voltage is in, then: described the second force value is higher than the second pressure normal range that presets then to be sent unloader valve and opens difficult indicating fault, and described the second force value is lower than the second pressure normal range that presets and then sends unloader valve and often open indicating fault.
In certain embodiments of the invention, preferred, described method can also comprise:
S307, after sending various described indicating fault, according to the indicating fault that sends in the information that shows that screen display is default.
In certain embodiments of the invention, preferred, described method also comprises:
S308, after collecting described magnitude of voltage and described current value, obtain the consumption of current of described system according to described magnitude of voltage and described current value.
For embodiment of the method, because it corresponds essentially to apparatus embodiments, so relevant part gets final product referring to the part explanation of embodiment of the method.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the said method embodiment is to come the relevant hardware of instruction to finish by program, described program can be stored in the computer read/write memory medium, here alleged storage medium, as: ROM, RAM, magnetic disc, CD etc.
Also need to prove, in this article, relational terms such as the first and second grades only is used for an entity or operation are made a distinction with another entity or operation, and not necessarily requires or hint and have the relation of any this reality or sequentially between these entities or the operation.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby not only comprise those key elements so that comprise process, method, article or the equipment of a series of key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or equipment.Do not having in the situation of more restrictions, the key element that is limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
The above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.Used specific case herein and principle of the present invention and embodiment have been carried out lock stated, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications.In sum, this description should not be construed as limitation of the present invention.All any modifications of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., all be included in protection scope of the present invention.
Claims (10)
1. the monitoring equipment of a used for electric vehicle electric air compression system is characterized in that, described equipment comprises:
The voltage sample unit is used for gathering motor both end voltage value, and sends described magnitude of voltage to data processing module;
Current sensor be used for to gather the current value of motor high-tension bus-bar, and sends described current value to data processing module;
The first pressure sensor be used for to gather the first force value of air compressor exit gas, and sends described the first force value to data processing module;
The second pressure sensor be used for to gather the second force value of air receiver, and sends described the second force value to data processing module;
Data processing module is used for:
Receive described magnitude of voltage, current value, the first force value, the second force value;
When described magnitude of voltage is in the voltage normal range that presets, described current value is 0, then send the circuit system indicating fault;
When described magnitude of voltage is 0, described current value also is 0, then sends CAN bus communication indicating fault;
Be in the electric current normal range that presets when described magnitude of voltage is in the voltage normal range that presets, described current value, described the second force value is in the second pressure normal range that presets, and described the first force value is not in the first pressure normal range that presets, and then sends Air compressor dryer indicating fault;
Be in the electric current normal range that presets when described magnitude of voltage is in the voltage normal range that presets, described current value, described the first force value is in the first pressure normal range that presets, and described the second force value is not in the second pressure normal range that presets, and then sends the unloader valve indicating fault;
When being in the voltage normal range that presets, described current value, described magnitude of voltage is in that the electric current normal range that presets, described the first force value are in the first pressure normal range that presets, described the second force value also is in the second pressure normal range that presets, and then sends air compression system indication working properly.
2. equipment according to claim 1, it is characterized in that, describedly be in the electric current normal range that presets when described magnitude of voltage is in the voltage normal range that presets, described current value, described the second force value is in the second pressure normal range that presets, and described the first force value is not in the first pressure normal range that presets, then send Air compressor dryer indicating fault, comprising:
Be in the electric current normal range that presets when described magnitude of voltage is in the voltage normal range that presets, described current value, described the second force value is in the second pressure normal range that presets, then: described the first force value is lower than the first pressure normal range that presets and then sends the Air compressor indicating fault, and described the first force value is higher than the first pressure normal range that presets and then sends the dryer indicating fault.
3. equipment according to claim 1, it is characterized in that, describedly be in the electric current normal range that presets when described magnitude of voltage is in the voltage normal range that presets, described current value, described the first force value is in the first pressure normal range that presets, and described the second force value is not in the second pressure normal range that presets, then send the unloader valve indicating fault, comprising:
Be in the electric current normal range that presets when described magnitude of voltage is in the voltage normal range that presets, described current value, described the first force value is in the first pressure normal range that presets, then: described the second force value is higher than the second pressure normal range that presets then to be sent unloader valve and opens difficult indicating fault, and described the second force value is lower than the second pressure normal range that presets and then sends unloader valve and often open indicating fault.
4. equipment according to claim 1 is characterized in that, described equipment also comprises:
Read-out is used for after receiving the various described indicating fault that described data processing module sends, according to received indicating fault in the default information that shows that screen display is corresponding.
5. equipment according to claim 1 is characterized in that, described data processing module also is used for:
Obtain the consumption of current of described system according to described magnitude of voltage and described current value.
6. the monitoring method of a used for electric vehicle electric air compression system is characterized in that, described method comprises:
Gather respectively the current value in motor both end voltage value, the motor high-tension bus-bar, the first force value of air compressor exit gas, the second force value in the air receiver;
If described magnitude of voltage is in the voltage normal range that presets, described current value is 0, then send the circuit system indicating fault;
If described magnitude of voltage is 0, described current value also is 0, then sends CAN bus communication indicating fault;
The voltage normal range that presets, described current value are in the electric current normal range that presets, described the second force value is in the second pressure normal range that presets if described magnitude of voltage is in, and described the first force value is not in the first pressure normal range that presets, and then sends Air compressor dryer indicating fault;
The voltage normal range that presets, described current value are in the electric current normal range that presets, described the first force value is in the first pressure normal range that presets if described magnitude of voltage is in, and described the second force value is not in the second pressure normal range that presets, and then sends the unloader valve indicating fault;
If described magnitude of voltage is in the voltage normal range that presets, described current value and is in that the electric current normal range that presets, described the first force value are in the first pressure normal range that presets, described the second force value also is in the second pressure normal range that presets, and then sends air compression system indication working properly.
7. method according to claim 6, it is characterized in that, the voltage normal range that presets, described current value are in the electric current normal range that presets, described the second force value is in the second pressure normal range that presets if described magnitude of voltage is in, and described the first force value is not in the first pressure normal range that presets, then send Air compressor dryer indicating fault, comprising:
The voltage normal range that presets, described current value are in the electric current normal range that presets, described the second force value is in the second pressure normal range that presets if described magnitude of voltage is in, then: described the first force value is lower than the first pressure normal range that presets and then sends the Air compressor indicating fault, and described the first force value is higher than the first pressure normal range that presets and then sends the dryer indicating fault.
8. method according to claim 6, it is characterized in that, the voltage normal range that presets, described current value are in the electric current normal range that presets, described the first force value is in the first pressure normal range that presets if described magnitude of voltage is in, and described the second force value is not in the second pressure normal range that presets, then send the unloader valve indicating fault, comprising:
The voltage normal range that presets, described current value are in the electric current normal range that presets, described the first force value is in the first pressure normal range that presets if described magnitude of voltage is in, then: described the second force value is higher than the second pressure normal range that presets then to be sent unloader valve and opens difficult indicating fault, and described the second force value is lower than the second pressure normal range that presets and then sends unloader valve and often open indicating fault.
9. method according to claim 6 is characterized in that, described method also comprises:
After sending various described indicating fault, according to the indicating fault that sends in the information that shows that screen display is default.
10. method according to claim 6 is characterized in that, described method also comprises:
After collecting described magnitude of voltage and described current value, obtain the consumption of current of described system according to described magnitude of voltage and described current value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210574700.2A CN103009960B (en) | 2012-12-26 | 2012-12-26 | Monitoring equipment and method for electric air compression system of electric vehicle |
Applications Claiming Priority (1)
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| CN109143113A (en) * | 2018-07-24 | 2019-01-04 | 郑州云海信息技术有限公司 | A kind of method, apparatus and system monitoring PCIE outer plug-in card power supply |
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