CN103009960B - 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
- Publication number
- CN103009960B CN103009960B CN201210574700.2A CN201210574700A CN103009960B CN 103009960 B CN103009960 B CN 103009960B CN 201210574700 A CN201210574700 A CN 201210574700A CN 103009960 B CN103009960 B CN 103009960B
- Authority
- CN
- China
- Prior art keywords
- normal range
- voltage
- preset
- force value
- value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
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 present invention relates generally to electronlmobil monitoring field, especially relates to a kind of monitoring equipment and method of electric air compression system used for electric vehicle.
Background technology
Electric air compression system used for electric vehicle generally comprises the parts such as high voltage connector, motor, Air compressor (air compressor), dryer, four-loop protection valve, storage tank, shown in Figure 1.Air compressor is provided with paddle hole and air inlet/outlet.Pass through key switch; T15 relay starts to power on; under the logic control of full-vehicle control unit HCU, high voltage connector is connected; high tension supply starts to feeding electric motors; motor rotation drives Air compressor work, distributes to multiple storage tank (general 4 storage tanks of bus) again after air is compressed into 6 ~ 8bar after dryer dehumidifying, oil removing through four-loop protection valve.In electronlmobil general by electromotor cooling system for Air compressor provides refrigerant fluid, be designed with built-in unloader valve in dryer, when storage tank to store completely after excessive gas through built-in unloader valve discharge air.
In the prior art, parameter signal in car load driving process or fault can be passed through the CAN (abbreviation of Controller Area Network by full-vehicle control unit, it is the serial communication protocol of ISO international standarkdization, a large amount of, at a high speed data transmission between each electronic control system) send to monitor screen, to detect the basic status of car load.But, the mode of operation of electric air compression system is not considered in prior art, in other words, the current mode of operation still not having related measure or device can monitor electric air compression system used for electric vehicle, this will bring a series of problem, as, early warning timely and effectively cannot be carried out to the fault that electric air compression system occurs, can not find the very first time and process dependent failure to avoid the generation of more serious accident; Air compression system used for electric vehicle is by full-vehicle control unit cooperation control, and human users's participation amount is few, and chaufeur only can process at present by rule of thumb to dependent failure; In addition maintainer can not quick position trouble unit, adds maintenance difficulty and cost.
Summary of the invention
In view of this, the object of the embodiment of the present invention is to provide a kind of monitoring equipment and method of electric air compression system used for electric vehicle, to solve the current technical matters cannot monitoring electric air compression system mode of operation used for electric vehicle.
On the one hand, the embodiment of the invention discloses a kind of monitoring equipment of electric air compression system used for electric vehicle, described equipment comprises:
Voltage sampling unit, for gathering motor both end voltage value, and sends described magnitude of voltage to data processing module;
Current sensor, for gathering the current value in motor high-tension bus-bar, and sends described current value to data processing module;
First pressure sensor, for gathering the first force value of air compressor exit gas, and sends described first force value to data processing module;
Second pressure sensor, for gathering the second force value in air receiver, and sends described second force value to data processing module;
Data processing module, for:
Receive described magnitude of voltage, current value, the first force value, the second force value;
When described magnitude of voltage be in preset voltage normal range, described current value is 0, then send circuit system indicating fault;
When described magnitude of voltage is 0, described current value is also 0, then send the instruction of CAN communication failure;
When described magnitude of voltage be in preset voltage normal range, described current value is in preset electric current normal range, described second force value is in the second preset pressure normal range, and described first force value is not in the first preset pressure normal range, then send Air compressor dryer indicating fault;
When described magnitude of voltage be in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, and described second force value is not in the second preset pressure normal range, then send unloader valve indicating fault;
When described magnitude of voltage be in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, described second force value is also in the second preset pressure normal range, then send air compression system instruction working properly.
Preferably, described when described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described second force value is in the second preset pressure normal range, and described first force value is not in the first preset pressure normal range, then send Air compressor dryer indicating fault, comprising:
When described magnitude of voltage be in preset voltage normal range, described current value is in preset electric current normal range, described second force value is in the second preset pressure normal range, then: described first force value then sends Air compressor indicating fault lower than the first preset pressure normal range, described first force value then sends dryer indicating fault higher than the first preset pressure normal range.
Preferably, described when described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, and described second force value is not in the second preset pressure normal range, then send unloader valve indicating fault, comprising:
When described magnitude of voltage be in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, then: described second force value then sends unloader valve higher than the second preset pressure normal range and opens difficult indicating fault, described second force value then sends unloader valve lower than the second preset pressure normal range and often opens indicating fault.
Preferably, described equipment also comprises:
Read-out, for after receiving the various described indicating fault that described data processing module sends, shows the corresponding information preset on a display screen according to received indicating fault.
Preferably, described data processing module also for:
The consumption of current of described system is obtained 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 electric air compression system used for electric vehicle, described method comprises:
The second force value in current value respectively in collection motor both end voltage value, motor high-tension bus-bar, the first force value of air compressor exit gas, air receiver;
If described magnitude of voltage is in preset voltage normal range, described current value is 0, then send circuit system indicating fault;
If described magnitude of voltage is 0, described current value is also 0, then send the instruction of CAN communication failure;
If described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described second force value is in the second preset pressure normal range, and described first force value is not in the first preset pressure normal range, then send Air compressor dryer indicating fault;
If described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, and described second force value is not in the second preset pressure normal range, then send unloader valve indicating fault;
If described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, described second force value is also in the second preset pressure normal range, then send air compression system instruction working properly.
Preferably, if described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described second force value is in the second preset pressure normal range, and described first force value is not in the first preset pressure normal range, then send Air compressor dryer indicating fault, comprising:
If described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described second force value is in the second preset pressure normal range, then: described first force value then sends Air compressor indicating fault lower than the first preset pressure normal range, described first force value then sends dryer indicating fault higher than the first preset pressure normal range.
Preferably, if described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, and described second force value is not in the second preset pressure normal range, then send unloader valve indicating fault, comprising:
If described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, then: described second force value then sends unloader valve higher than the second preset pressure normal range and opens difficult indicating fault, described second force value then sends unloader valve lower than the second preset pressure normal range and often opens indicating fault.
Preferably, described method also comprises:
After sending various described indicating fault, show default information on a display screen according to the indicating fault sent.
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 present invention by adding corresponding data acquisition instrument in electric air compression system, and realizes the working state monitoring to electric air compression system after certain logic process.Concrete, the embodiment of the present invention is on original electric air compression system basis, add multiple sensor data acquisition instrument, the signals such as the Air compressor electric current respectively in collection electric air compression system and voltage, air line pressure, reservoir pressure, by analysis, send instruction in the mode of fault alarm again, thus achieve the monitoring to electric air compression system mode of operation, compensate for blank of the prior art.In addition the embodiment of the present invention can also obtain the power consumption information of system.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 illustrates electric air compression system schematic diagram used for electric vehicle in prior art;
Fig. 2 illustrates electric air compression system schematic diagram used for electric vehicle in the embodiment of the present invention one;
Fig. 3 is the diagram of circuit that the embodiment of the present invention two method is described.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In order to complete understanding the present invention, refer to numerous concrete details in the following detailed description, but it should be appreciated by those skilled in the art that the present invention can realize without the need to these details.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, often there is following problem:
1) power supply electrifying rear motor does not work: be commonly considered as electrical fault or power lead connection fault.Owing to there is engine mode and motor mode in electronlmobil operation, by observing, chaufeur judges that air compression system failure ratio is more difficult, easily obscure.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 build pressure difficulty: Air compressor cannot inflate to storage tank 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.Chaufeur cannot find that air compression system exists fault the very first time on the one hand, normally using, easily occurring accident after waiting storage tank compressed air to be finished by affecting vehicle; On the other hand maintainer can not quick position trouble unit, increases maintenance difficulty.
3) storage tank overvoltage: the built-in unloader valve fault of dryer can be assert.Now owing to not taking measures to cause reservoir pressure too high to Air compressor mode of operation, cause driving dangerous.
Due to electric air compression system used for electric vehicle cannot be monitored in visible prior art, a lot of hidden danger will be brought.
Embodiment one
Fig. 2 is electric air compression system schematic diagram used for electric vehicle in the embodiment of the present invention one, wherein contains the monitoring equipment of electric air compression system used for electric vehicle disclosed in the present embodiment.Described equipment comprises:
Voltage sampling unit 201, for gathering motor both end voltage value, and sends described magnitude of voltage to data processing module.Voltage range is generally 200 ~ 400V.
Current sensor 202, for gathering the current value in motor high-tension bus-bar, and sends described current value to data processing module.
First pressure sensor 203, for gathering the first force value of air compressor exit gas, and sends described first force value to data processing module.
Second pressure sensor 204, for gathering the second force value in air receiver, and sends described second force value to data processing module.
Data processing module 205, for:
Receive described magnitude of voltage, current value, the first force value, the second force value;
When described magnitude of voltage be in preset voltage normal range, described current value is 0, then send circuit system indicating fault (voltage normal range depends on operating voltage during system, is generally this value of 220V or 380V);
When described magnitude of voltage is 0, described current value is also 0, then send the instruction of CAN communication failure;
When described magnitude of voltage be in preset voltage normal range, described current value is in preset electric current normal range, described second force value is in the second preset pressure normal range, and described first force value is not in the first preset pressure normal range, i.e. described first pressure anomaly, then send Air compressor dryer indicating fault (first, second pressure normal range is generally 7 ~ 10bar);
When described magnitude of voltage be in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, and described second force value is not in the second preset pressure normal range, namely the second force value is abnormal, then send unloader valve indicating fault;
When described magnitude of voltage be in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, described second force value is also in the second preset pressure normal range, then send air compression system instruction working properly.
It should be noted that, data processing module 205 is integrated in the function of full-vehicle control unit in the present embodiment, the functional module of or compatibility independent as, and the original function of full-vehicle control unit does not become, therefore has only marked data processing module 205 in Fig. 2.
Data processing function has been carried out modularized processing by the present embodiment, software function independent design, directly embeds under identical communications protocol, and code wrap generation etc. also can complete separately.From hardware aspect, can develop separately independently data processing module, can directly realize on circuit boards, after shell encapsulation, become separate hardware product, car load is installed and is used all more convenient.Also can be integrated with full-vehicle control unit, but need at full-vehicle control unit exploitation reserved corresponding stitch in early stage, data processing unit can be embedded in full-vehicle control unit, just well can be connected with full-vehicle 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 air compression system mode of operation, fault verification is accurately clear, is conducive to fault handling.
Preferably, in other embodiments of the present invention, described when described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described second force value is in the second preset pressure normal range, and described first force value is not in the first preset pressure normal range, then send Air compressor dryer indicating fault, can comprise:
When described magnitude of voltage be in preset voltage normal range, described current value is in preset electric current normal range, described second force value is in the second preset pressure normal range, then: described first force value then sends Air compressor indicating fault lower than the first preset pressure normal range, described first force value then sends dryer indicating fault higher than the first preset pressure normal range.When the first force value is abnormal: too low explanation Air compressor pressurized air difficulty, compressor air inlet difficulty or the inner card wreck of compressor, should send Air compressor indicating fault; Too high explanation dryer blocking or built-in unloader valve open fault, should send dryer indicating fault;
Preferably, in other embodiments of the present invention, described when described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, and described second force value is not in the second preset pressure normal range, then send unloader valve indicating fault, comprising:
When described magnitude of voltage be in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, then: described second force value then sends unloader valve higher than the second preset pressure normal range and opens difficult indicating fault, described second force value then sends unloader valve lower than the second preset pressure normal range and often opens indicating fault.If the too high explanation unloader valve of the second force value opens difficulty, too low explanation unloader valve is often opened.
In addition, in some embodiments of the invention, described equipment can also comprise:
Read-out 206, for after receiving the various described indicating fault that described data processing module sends, shows the corresponding information preset on a display screen according to received indicating fault.Described read-out can be independent read-out, can carry out indication fault information by all kinds of indicator lamp or display word.Described read-out also can realize by the original telltale of car load.
In addition, in some embodiments of the invention, described data processing module also for:
The consumption of current of described system is obtained according to described magnitude of voltage and described current value.Generally, consumption of current=current value × magnitude of voltage × time.
Embodiment two
Fig. 3 is the diagram of circuit of the embodiment of the present invention two method, and the present embodiment is based on a upper embodiment, and disclose a kind of monitoring method of electric air compression system used for electric vehicle, described method comprises:
The second force value in current value in S301, respectively collection motor both end voltage value, motor high-tension bus-bar, the first force value of air compressor exit gas, air receiver;
If the described magnitude of voltage of S302 is in preset voltage normal range, described current value is 0, then send circuit system indicating fault;
If the described magnitude of voltage of S303 is 0, described current value is also 0, then send the instruction of CAN communication failure;
If the described magnitude of voltage of S304 is in preset voltage normal range, described current value is in preset electric current normal range, described second force value is in the second preset pressure normal range, and described first force value is not in the first preset pressure normal range, then send Air compressor dryer indicating fault;
If the described magnitude of voltage of S305 is in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, and described second force value is not in the second preset pressure normal range, then send unloader valve indicating fault;
If the described magnitude of voltage of S306 is in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, described second force value is also in the second preset pressure normal range, then send air compression system instruction working properly.
In some embodiments of the invention, preferably, if described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described second force value is in the second preset pressure normal range, and described first force value is not in the first preset pressure normal range, then send Air compressor dryer indicating fault, comprising:
If described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described second force value is in the second preset pressure normal range, then: described first force value then sends Air compressor indicating fault lower than the first preset pressure normal range, described first force value then sends dryer indicating fault higher than the first preset pressure normal range.
In some embodiments of the invention, preferably, if described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, and described second force value is not in the second preset pressure normal range, then send unloader valve indicating fault, comprising:
If described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, then: described second force value then sends unloader valve higher than the second preset pressure normal range and opens difficult indicating fault, described second force value then sends unloader valve lower than the second preset pressure normal range and often opens indicating fault.
In some embodiments of the invention, preferably, described method can also comprise:
S307, after sending various described indicating fault, show default information on a display screen according to the indicating fault sent.
In some embodiments of the invention, preferably, 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 illustrates see the part of embodiment of the method.
One of ordinary skill in the art will appreciate that all or part of step realized in said method embodiment is that the hardware that can carry out instruction relevant by program has come, described program can be stored in computer read/write memory medium, here the alleged storage medium obtained, as: ROM, RAM, magnetic disc, CD etc.
Also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Apply specific case herein to have carried out lock to principle of the present invention and embodiment and state, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, 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 amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., be all included in protection scope of the present invention.
Claims (10)
1. the monitoring equipment of an electric air compression system used for electric vehicle, described equipment comprises: voltage sampling unit, current sensor, first pressure sensor, data processing module, is characterized in that, voltage sampling unit, for gathering motor both end voltage value, and send described magnitude of voltage to data processing module;
Current sensor, for gathering the current value in motor high-tension bus-bar, and sends described current value to data processing module;
First pressure sensor, for gathering the first force value of Air compressor exit gas, and sends described first force value to data processing module;
Second pressure sensor, for gathering the second force value in air receiver, and sends described second force value to data processing module;
Data processing module, for:
Receive described magnitude of voltage, current value, the first force value, the second force value;
When described magnitude of voltage be in preset voltage normal range, described current value is 0, then send circuit system indicating fault;
When described magnitude of voltage is 0, described current value is also 0, then send the instruction of CAN communication failure;
When described magnitude of voltage be in preset voltage normal range, described current value is in preset electric current normal range, described second force value is in the second preset pressure normal range, and described first force value is not in the first preset pressure normal range, then send Air compressor dryer indicating fault;
When described magnitude of voltage be in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, and described second force value is not in the second preset pressure normal range, then send unloader valve indicating fault;
When described magnitude of voltage be in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, described second force value is also in the second preset pressure normal range, then send air compression system instruction working properly.
2. equipment according to claim 1, it is characterized in that, described when described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described second force value is in the second preset pressure normal range, and described first force value is not in the first preset pressure normal range, then send Air compressor dryer indicating fault, comprising:
When described magnitude of voltage be in preset voltage normal range, described current value is in preset electric current normal range, described second force value is in the second preset pressure normal range, then: described first force value then sends Air compressor indicating fault lower than the first preset pressure normal range, described first force value then sends dryer indicating fault higher than the first preset pressure normal range.
3. equipment according to claim 1, it is characterized in that, described when described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, and described second force value is not in the second preset pressure normal range, then send unloader valve indicating fault, comprising:
When described magnitude of voltage be in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, then: described second force value then sends unloader valve higher than the second preset pressure normal range and opens difficult indicating fault, described second force value then sends unloader valve lower than the second preset pressure normal range and often opens indicating fault.
4. equipment according to claim 1, is characterized in that, described equipment also comprises:
Read-out, for after receiving the various described indicating fault that described data processing module sends, shows the corresponding information preset on a display screen according to received indicating fault.
5. equipment according to claim 1, is characterized in that, described data processing module also for:
The consumption of current of described system is obtained according to described magnitude of voltage and described current value.
6. a monitoring method for electric air compression system used for electric vehicle, described method comprises:
Gather the first force value of the current value in motor both end voltage value, motor high-tension bus-bar, Air compressor exit gas respectively, it is characterized in that, gather the second force value in air receiver;
If described magnitude of voltage is in preset voltage normal range, described current value is 0, then send circuit system indicating fault;
If described magnitude of voltage is 0, described current value is also 0, then send the instruction of CAN communication failure;
If described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described second force value is in the second preset pressure normal range, and described first force value is not in the first preset pressure normal range, then send Air compressor dryer indicating fault;
If described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, and described second force value is not in the second preset pressure normal range, then send unloader valve indicating fault;
If described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, described second force value is also in the second preset pressure normal range, then send air compression system instruction working properly.
7. method according to claim 6, it is characterized in that, if described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described second force value is in the second preset pressure normal range, and described first force value is not in the first preset pressure normal range, then send Air compressor dryer indicating fault, comprising:
If described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described second force value is in the second preset pressure normal range, then: described first force value then sends Air compressor indicating fault lower than the first preset pressure normal range, described first force value then sends dryer indicating fault higher than the first preset pressure normal range.
8. method according to claim 6, it is characterized in that, if described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, and described second force value is not in the second preset pressure normal range, then send unloader valve indicating fault, comprising:
If described magnitude of voltage is in preset voltage normal range, described current value is in preset electric current normal range, described first force value is in the first preset pressure normal range, then: described second force value then sends unloader valve higher than the second preset pressure normal range and opens difficult indicating fault, described second force value then sends unloader valve lower than the second preset pressure normal range and often opens indicating fault.
9. method according to claim 6, is characterized in that, described method also comprises:
After sending various described indicating fault, show default information on a display screen according to the indicating fault sent.
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)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103009960A CN103009960A (en) | 2013-04-03 |
| CN103009960B true CN103009960B (en) | 2015-02-04 |
Family
ID=47959277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210574700.2A Active CN103009960B (en) | 2012-12-26 | 2012-12-26 | Monitoring equipment and method for electric air compression system of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103009960B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437986B (en) * | 2013-08-30 | 2016-05-11 | 中通客车控股股份有限公司 | A kind of gas circuit and electric air compressor complex control system and control method |
| DE102014009991A1 (en) * | 2014-07-04 | 2016-01-07 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Method and device for error detection in compressed air systems |
| CN105649967A (en) * | 2016-01-05 | 2016-06-08 | 武汉理工大学 | Control system and method of electrical vehicle air compressor |
| CN109143113B (en) * | 2018-07-24 | 2021-11-09 | 郑州云海信息技术有限公司 | Method, device and system for monitoring power supply of PCIE external plug-in card |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1821577A (en) * | 2001-03-27 | 2006-08-23 | 科普兰公司 | Compressor diagnostic system |
| CN101052847A (en) * | 2004-04-27 | 2007-10-10 | 谷轮公司 | Compressor diagnostic and protection system |
| CN101379294A (en) * | 2006-02-01 | 2009-03-04 | 英格索尔-兰德公司 | Airflow compressor control system and method |
| EP2239172A1 (en) * | 2009-04-08 | 2010-10-13 | KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH | Method for operating a brake device of a motor vehicle approaching a stop |
| CN201802600U (en) * | 2010-02-11 | 2011-04-20 | 边雁 | Air compressor |
| CN202020994U (en) * | 2010-12-20 | 2011-11-02 | 陕西欧舒特汽车股份有限公司 | Control device for synchronous unloading of electric control compressor and air drier |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5749086A (en) * | 1980-09-10 | 1982-03-20 | Hitachi Ltd | Apparatus for diagnosing operational conditions of compressor |
| DE102008029310C5 (en) * | 2008-06-20 | 2019-01-03 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Monitoring device for monitoring systems of a vehicle |
| KR20100060533A (en) * | 2008-11-27 | 2010-06-07 | 현대자동차주식회사 | Loose prevention system of parking brake |
-
2012
- 2012-12-26 CN CN201210574700.2A patent/CN103009960B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1821577A (en) * | 2001-03-27 | 2006-08-23 | 科普兰公司 | Compressor diagnostic system |
| CN101052847A (en) * | 2004-04-27 | 2007-10-10 | 谷轮公司 | Compressor diagnostic and protection system |
| CN101379294A (en) * | 2006-02-01 | 2009-03-04 | 英格索尔-兰德公司 | Airflow compressor control system and method |
| EP2239172A1 (en) * | 2009-04-08 | 2010-10-13 | KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH | Method for operating a brake device of a motor vehicle approaching a stop |
| CN201802600U (en) * | 2010-02-11 | 2011-04-20 | 边雁 | Air compressor |
| CN202020994U (en) * | 2010-12-20 | 2011-11-02 | 陕西欧舒特汽车股份有限公司 | Control device for synchronous unloading of electric control compressor and air drier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103009960A (en) | 2013-04-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103009960B (en) | Monitoring equipment and method for electric air compression system of electric vehicle | |
| CN102495624B (en) | Automatic ABSECU detection device | |
| CN108107357A (en) | Switching signal detection circuit with self-diagnostic function | |
| CN107472029A (en) | The high voltage fault detection method and vehicle of vehicle | |
| CN103612567A (en) | Electric vehicle high voltage safety protecting system and method | |
| CN109683095A (en) | The fault detection method and system of battery pack | |
| CN110481459A (en) | Car insurance box and vehicle | |
| CN107589377A (en) | A kind of battery bag running status harvester | |
| CN104635719B (en) | Automotive air conditioning failure diagnosis method, device and system | |
| CN108361020A (en) | Underground drill rig diagnosis protective device and method based on virtual instrument | |
| CN201364482Y (en) | Integrated measurement, monitoring alarm and control system | |
| CN106932677A (en) | GIS device divide-shut brake stroke detection equipment and system | |
| CN209878961U (en) | Power battery system high-voltage electrical connection detection device | |
| CN109946094A (en) | Motor vehicle detecting control instrument and its control circuit, control method | |
| CN109143089A (en) | Battery pack thermal runaway detection system | |
| CN112255554A (en) | Direct current system battery health status and internal fault monitoring device | |
| CN203592904U (en) | High-voltage safety protection system of electric car | |
| CN202694557U (en) | Self-checking warning signal detecting and emitting device | |
| CN218546973U (en) | Grounding inspection alarm device | |
| CN2411607Y (en) | Anti-misoperating warner for high-voltage switch cubicle handcart | |
| CN207570675U (en) | A kind of test equipment for integrated circuit | |
| CN218331728U (en) | Line live state indicating system based on voltage perception | |
| CN105425149A (en) | Detection device for AC motor drive system | |
| CN109747416A (en) | A kind of double instrument systems and control method of electric car | |
| CN210691108U (en) | Fuse box based on CAN bus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |