CN202623952U - CAN (controlled area network) bus type instrument system - Google Patents
CAN (controlled area network) bus type instrument system Download PDFInfo
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- CN202623952U CN202623952U CN 201220315166 CN201220315166U CN202623952U CN 202623952 U CN202623952 U CN 202623952U CN 201220315166 CN201220315166 CN 201220315166 CN 201220315166 U CN201220315166 U CN 201220315166U CN 202623952 U CN202623952 U CN 202623952U
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- value detection
- switching value
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Abstract
The utility model relates to a CAN (controlled area network) bus type instrument system comprising a microcontroller, a power supply module and a clock circuit. The output end of the microcontroller is connected with a liquid crystal display module. The CAN bus type instrument system is characterized in that an input detection port of the microcontroller is connected with an analog value detection module and a switching value detection module, and the analog value detection module and the switching value detection module respectively carry out CAN bus protocol communication; and an input port of the analog value detection module is connected with a fuel oil temperature sensor and a cooling water temperature sensor, and an input port of the switching value detection module is connected with an air filter switch and an engine oil supply state switch. The CAN bus type instrument system disclosed by the utility model realizes the detection on the analog value and the switching value of an engineering mechanical vehicle through the analog value detection module and the switching value detection module to carry out signal through using a CAN bus protocol so as to acquire each parameter of a vehicle. The whole instrument system is relatively exact in acquisition and is relatively stable. The CAN bus type instrument system has the advantages of simple and reasonable structure, remarkable beneficial effects and convenience for application and popularization.
Description
Technical field
The utility model relates to a kind of CAN bus type meter system, in particular, relates in particular to a kind of CAN bus type meter system that is applied on the engineering machinery vehicle.
Background technology
The CAN bus has stronger error correcting capability, supports the difference transmitting-receiving, thereby suitable high-interference environment, and has transmission distance far away.Have serial communication and be regardless of main and subordinate node, communication distance and can reach 10000m, highest communication speed farthest and can reach 1Mbit/s, node number and can reach characteristics such as 110, make it become a kind of automobile bus form of main flow.
No exception for engineering machinery vehicle, the CAN bus communication is also for developing into a kind of communication form of main flow.But the instrument to collect on the existing construction machinery and equipment does not also have form unified, standard, and adopts the blind controller system of bus form less yet.
Summary of the invention
The utility model provides a kind of CAN bus type meter system that is applied on the engineering machinery vehicle in order to overcome the shortcoming of above-mentioned technical matters.
The CAN bus type meter system of the utility model comprises microcontroller, power module and clock circuit; The mouth of microcontroller is connected with the LCD MODULE that the information of carrying out shows, its special feature is: the inputting testing terminal of said microcontroller is connected with analog signal detection module and the switching value detection module that all carries out the communication of CAN bus protocol; The input port of said analog signal detection module is connected with fuel temperature sensor, cooling-water temperature sensor, and the input port of switching value detection module is connected with airfilter switch, engine oil mode switch.
Microcontroller is used for acquisition of signal, data operation and signal output effect, and power module is that the normal operation of total system provides electric energy, and clock circuit is that the work of microcontroller provides essential impulse singla.Microcontroller is gathered the engineering machinery vehicle analog signals through analog signal detection module, and all carries out communication through the CAN bus protocol; Through the switching value detection module switching value signal on the vehicle is gathered.Fuel temperature sensor is realized the perception of engine oil temperature, and cooling-water temperature sensor is realized the perception to engine temperature.Through detecting the state of airfilter switch, can know whether airfilter is normal; Through detection, can know whether the engine oil loop is normal to the engine oil mode switch.
The CAN bus type meter system of the utility model, said analog signal detection module also is connected with tachogen and hydraulic system pressure sensor; Said switching value detection module also is connected with greasy dirt filter switch.Through tachogen, can realize the detection of construction machinery and equipment speed; Can realize the hydraulic efficiency pressure system status detection through hydraulic system pressure sensor.Whether through detecting the state of greasy dirt filter switch, it is normal to judge the greasy dirt filtering system.
The CAN bus type meter system of the utility model, said LCD MODULE is arranged on the meter housing, and meter housing has been provided with the permanent seat of installation effect.
The beneficial effect of the utility model is: the utility model is through being provided with analog signal detection module and the switching value detection module that all carries out acquisition of signal through the CAN bus protocol; Realized detection effectively, so that know the parameters of vehicle to analog quantity, switching value on the engineering machinery vehicle.Owing to adopted the CAN bus form, made that whole meter system collection is more accurate, system is more stable.The utlity model has simple for structure rationally, beneficial effect is outstanding and be convenient to the advantage of application.
Description of drawings
Fig. 1 is the schematic circuit diagram of the CAN bus type meter system of the utility model;
Fig. 2 is the constructional drawing of meter housing in the utility model.
Among the figure: 1 microcontroller, 2 analog signal detection module, 3 switching value detection modules, 4 power modules; 5 fuel temperature sensors, 6 cooling-water temperature sensors, 7 tachogens, 8 hydraulic system pressure sensors; 9 LCD MODULEs, 10 airfilter switches, 11 engine oil mode switches, 12 greasy dirt filter switches; 13 clock circuits, 14 meter housings, 15 permanent seats.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
As shown in Figure 1; Provided the schematic circuit diagram of the CAN bus type meter system of the utility model, it comprises microcontroller 1, analog signal detection module 2, switching value detection module 3, power module 4, fuel temperature sensor 5, cooling-water temperature sensor 6, tachogen 7, hydraulic system pressure sensor 8, LCD MODULE 9, airfilter switch 10, engine oil mode switch 11, greasy dirt filter switch 12, clock circuit 13; Shown microcontroller 1 is realized the effect of acquisition of signal, data handing and control signal output.Power module 4 is for the normal operation of total system provides stable voltage, and clock circuit 13 provides pulse clock signal for microcontroller 1 normal operation.LCD MODULE 9 is connected with the mouth of microcontroller 1, is used for display data information.
Analog signal detection module 2 is connected with the input port of microcontroller 1, and analog signal detection module 2 adopts the form of CAN bus communication to carry out the collection of analog signal.The input port of analog signal detection module 2 is connected with fuel temperature sensor 5, cooling-water temperature sensor 6, tachogen 7, hydraulic system pressure sensor 8; Fuel temperature sensor 5 is realized the perception of engine oil temperature, the perception that cooling-water temperature sensor 6 is realized engine temperature; Through tachogen 7, can realize the detection of construction machinery and equipment speed; Can realize the hydraulic efficiency pressure system status detection through hydraulic system pressure sensor 8.
Switching value detection module 3 also is connected with the input port of microcontroller 1, and switching value detection module 3 also adopts the form of CAN bus communication to carry out the collection of on-off signal.The input end of pass amount detection module 3 is connected with airfilter switch 10, engine oil mode switch 11, greasy dirt filter switch 12.Through detecting the state of airfilter switch 10, can know whether airfilter is normal; Through detection, can know whether the engine oil loop is normal to engine oil mode switch 11; Whether through detecting the state of greasy dirt filter switch 12, it is normal to judge the greasy dirt filtering system.
As shown in Figure 2, provided the constructional drawing of meter housing, shown LCD MODULE 9 is arranged on the meter housing 14; Also be set with permanent seat 15 on the meter housing 14.Meter housing 14 can be fixed on the corresponding pedestal through permanent seat 15.
The utility model has been realized the detection to analog quantity, switching value on the engineering machinery vehicle, so that know the parameters of vehicle effectively through analog signal detection module and the switching value detection module that all carries out acquisition of signal through the CAN bus protocol is set.Owing to adopted the CAN bus form, made that whole meter system collection is more accurate, system is more stable.The utlity model has simple for structure rationally, beneficial effect is outstanding and be convenient to the advantage of application.
Claims (3)
1. a CAN bus type meter system comprises microcontroller (1), power module (4) and clock circuit (13); The mouth of microcontroller is connected with the LCD MODULE (9) that the information of carrying out shows, it is characterized in that: the inputting testing terminal of said microcontroller is connected with analog signal detection module (2) and the switching value detection module (3) that all carries out the communication of CAN bus protocol; The input port of said analog signal detection module is connected with fuel temperature sensor (5), cooling-water temperature sensor (6), and the input port of switching value detection module is connected with airfilter switch (10), engine oil mode switch (11).
2. CAN bus type meter system according to claim 1 is characterized in that: said analog signal detection module (2) also is connected with tachogen (7) and hydraulic system pressure sensor (8); Said switching value detection module (3) also is connected with greasy dirt filter switch (12).
3. CAN bus type meter system according to claim 1 and 2 is characterized in that: said LCD MODULE (9) is arranged on the meter housing (14), and meter housing has been provided with the permanent seat (15) of installation effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220315166 CN202623952U (en) | 2012-07-02 | 2012-07-02 | CAN (controlled area network) bus type instrument system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220315166 CN202623952U (en) | 2012-07-02 | 2012-07-02 | CAN (controlled area network) bus type instrument system |
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| Publication Number | Publication Date |
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| CN202623952U true CN202623952U (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220315166 Expired - Fee Related CN202623952U (en) | 2012-07-02 | 2012-07-02 | CAN (controlled area network) bus type instrument system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174186A (en) * | 2013-03-22 | 2013-06-26 | 徐工集团工程机械股份有限公司 | Monitoring device and monitoring method of excavator and excavator |
| CN103978901A (en) * | 2014-05-04 | 2014-08-13 | 国家电网公司 | Comprehensive display control system for engineering vehicle |
| CN106696700A (en) * | 2015-11-17 | 2017-05-24 | 惠州市德赛西威汽车电子股份有限公司 | Automobile black box instrument and working method thereof |
| CN109649434A (en) * | 2018-12-24 | 2019-04-19 | 中铁宝桥集团有限公司 | A kind of railcar intelligent maintenance system and method |
| US11015556B2 (en) * | 2013-10-16 | 2021-05-25 | Cummins Filtration Ip, Inc. | Electronic filter detection feature for liquid filtration systems |
| US11149701B2 (en) | 2015-12-22 | 2021-10-19 | Cummins Filtration Ip, Inc. | Filtration monitoring system that monitors dual filtration systems |
-
2012
- 2012-07-02 CN CN 201220315166 patent/CN202623952U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174186A (en) * | 2013-03-22 | 2013-06-26 | 徐工集团工程机械股份有限公司 | Monitoring device and monitoring method of excavator and excavator |
| CN103174186B (en) * | 2013-03-22 | 2015-07-22 | 徐工集团工程机械股份有限公司 | Monitoring device and monitoring method of excavator and excavator |
| US11015556B2 (en) * | 2013-10-16 | 2021-05-25 | Cummins Filtration Ip, Inc. | Electronic filter detection feature for liquid filtration systems |
| US11680547B2 (en) | 2013-10-16 | 2023-06-20 | Cummins Filtration Ip, Inc. | Electronic filter detection feature for liquid filtration systems |
| US11739718B2 (en) | 2013-10-16 | 2023-08-29 | Cummins Filtration Ip, Inc. | Electronic filter detection feature for liquid filtration systems |
| CN103978901A (en) * | 2014-05-04 | 2014-08-13 | 国家电网公司 | Comprehensive display control system for engineering vehicle |
| CN106696700A (en) * | 2015-11-17 | 2017-05-24 | 惠州市德赛西威汽车电子股份有限公司 | Automobile black box instrument and working method thereof |
| US11149701B2 (en) | 2015-12-22 | 2021-10-19 | Cummins Filtration Ip, Inc. | Filtration monitoring system that monitors dual filtration systems |
| CN109649434A (en) * | 2018-12-24 | 2019-04-19 | 中铁宝桥集团有限公司 | A kind of railcar intelligent maintenance system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20130702 |