CN2888434Y - Motor vehicle state monitoring device - Google Patents
Motor vehicle state monitoring device Download PDFInfo
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- CN2888434Y CN2888434Y CN 200520139664 CN200520139664U CN2888434Y CN 2888434 Y CN2888434 Y CN 2888434Y CN 200520139664 CN200520139664 CN 200520139664 CN 200520139664 U CN200520139664 U CN 200520139664U CN 2888434 Y CN2888434 Y CN 2888434Y
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Abstract
The utility model relates to an application of locomotive condition data and personnel voice real-time monitoring data device. The problems to be solved are: to provide a locomotive condition monitoring device in order to overcome existing locomotive inadequate monitoring device of enterprise state-owned railway. Features: the central controller module adopts a high-speed MCU, can meet the request of a very good locomotive condition and the voice data real-time processing. Before the analog signals enters in the A / D converter, the rate adjustment is run by the operational amplifier OP - 07. The locomotive operating data is sent to the main computer through the internal serial bus. MC14LC5480 achieves PCM encode to the simulation voice data. The locomotive condition information and personnel voice message display on the TFT LCD in real time and the recorded monitoring data is introduced into the ground through the dump equipment for information management, providing a reliable basis for the analysis for security management of the locomotive operation.
Description
Technical field
The utility model relates to and is applied to enterprise and provides railway locomotive running status and operating personnel's voice device for monitoring for oneself, can monitor in real time locomotive state data and personnel's speech data, and record data can be recurred in the locomotive information supervisor of ground.
Background technology
At present, known locomotive running state monitoring device is mainly used on the main track railway locomotive, but its monitoring target and metallurgical mine enterprise provide the monitoring target of locomotive for oneself a great difference is arranged.Enterprise provides the locomotive transportation for oneself himself feature: enterprise provides railway for oneself and mostly is little running operation, and road speed is lower, and locomotive often is in starting, acceleration, braking, stops and the commutation operating mode.The enterprise railway circuit is short, and track switch is many, radius is little, and the ramp is big.Railway generally need cooperate the floor plan of enterprise to design, and it is subjected to the influence of factors such as plant area's landform, factory building, technological process, causes rail track floor plan complexity, and the car body vibrations are bigger in the locomotive driving process.Each locomotive transportation department of enterprise considers from locomotive safety management aspect in recent years, also constantly for locomotive various monitor recording devices is being installed.But these equipment are produced or trial-production by different research institutes respectively, have a style of one's own, and systematicness is not strong, and the wasting of resources is big; The status information of monitoring is abundant inadequately, does not satisfy the specific demand of locomotive in enterprise's production and transport; Each device does not have the good man-machine interaction interface, the use of inconvenient operating personnel under frequently change situation of enterprise railway locomotive operating mode; Administrative authority does not have to overlap ground Safety Analysis System support preferably, causes the information availability of record poor, is not easy to safety analysis and unified management.
Summary of the invention
Summary of the invention
The purpose of this utility model is: provide the deficiency of railway locomotive state monitoring apparatus for oneself in order to overcome existing enterprise, a kind of locomotive state monitoring device is provided.
The technical scheme that its technical matters that solves the utility model adopts is: the locomotive state monitor adopts 3U standard PC case, dongle configuration, and 4 12 core connectors are connected with the input signal that 42 core air plugs are finished locomotive state and personnel's voice.Whole device comprises central control unit, detection and level shifting circuit unit, collection of simulant signal circuit unit, switching signal Acquisition Circuit unit, pulse code modulation (PCM) circuit unit, usb circuit, main control computer and LCD, it is characterized in that:
In A, described detection and the level shifting circuit, diode D1 carries out amplitude limit to signal, and the D2 negative electrode links to each other with the pin two of resistance R 10 and comparer, and the other end of resistance R 10 is connected with ground, constitute the adjustment circuit of input signal, the effect of resistance R 13, R14 is to produce benchmark voltage;
In B, the described collection of simulant signal circuit, the pin 6 of amplifier OP-07 is common ports of the pin 7 of pin 4 and A/D converter AD7705, forms input and detects voltage amplitude adjustment circuit, and capacitor C 9 is filter capacitors of SCLK pin signal;
In C, the described usb circuit, 8 data pins of PDIUSBD12D (U3) are connected with P0.0～P0.7 of MCU respectively, pin one 2 ground connection, and the end of pin one 9 and resistance R 1, R2 is connected, another termination+5V of resistance R 1, the other end ground connection of resistance R 2;
In D, the described pulse code modulation (PCM) circuit, the voice signal codec chip is MC14LC5480 (U8), U12 and U13 have constituted and voice signal are carried out the required clock source circuit .C18 of pcm encoder signal is coupled, pin one 9 through R15 and U4 is connected, RJ1 is an adjustable resistance, the pin one 7 of one end and U4 is connected, and the other end is connected with C19 through R34, and the C19 other end links to each other with ground.
E, locomotive running state information and personnel's voice messaging show in real time that on two TFT LCD of major-minor Monitoring Data is real time record in main control computer.Data import in the terrestrial information supervisor by dump device, for the locomotive operation safety management provides reliable basis.
Locomotive state monitor according to above-mentioned is characterized in that: the observation circuit unit is a modularization, and casing structure is the 3U standard, and each module is by motherboard and internal communication and power bus interconnection.
Locomotive state monitor according to above-mentioned is characterized in that: Monitoring Data by main control computer change in real time, record, and show that on the TFT display record data can be analyzed in unloading to the locomotive information supervisor of ground.
Useful technique effect of the present utility model is:
1, this device not only can be realized the real-time monitoring to locomotive running state and operating personnel's voice, and state and speech data are carried out real-time analysis, demonstration, record, when personnel's violation operation situation, can warn with digital prompt and voice.Operational factor is shown that precision other monitoring device raising at present of real-time and record data is more than 50%.
2, fully merge on the basis of original each function of supervising device of enterprise railway, in state and voice monitoring, adopt current up-to-date technological means, improve the function of having optimized engine monitoring apparatus.Friendly interface is easy to operate, and operating personnel are provided with different can the setting the monitoring state parameter with the maintainer according to authority, and function upgrading is simple.
3, Feng Fu operational factor display interface and higher data registration accuracy, be highly suitable for the enterprise railway locomotive and produce the more special circumstances of medium and small running operation, its application has improved the safety coefficient of locomotive operation greatly, analyzes foundation more accurately for enterprise's safety management of traffic provides.
Description of drawings
Fig. 1 is the utility model theory diagram.
Fig. 2 is detection of the present utility model and level shifting circuit schematic diagram.
Fig. 3 is collection of simulant signal circuit theory diagrams of the present utility model.
Fig. 4 is a switching signal Acquisition Circuit schematic diagram of the present utility model.
Fig. 5 is a usb data transmission interface circuit schematic diagram of the present utility model.
Fig. 6 is pulse code modulation (PCM) circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further specified by embodiment.
Embodiment:
The locomotive state monitor, a kind of locomotive state and personnel's voice monitoring device, whole device comprises central control unit, detection and level shifting circuit unit, collection of simulant signal circuit unit, switching signal Acquisition Circuit unit, pulse code modulation (PCM) circuit unit, usb data transmission interface circuit unit, main control computer and LCD, it is characterized in that:
In A, described detection and the level shifting circuit, the pin two of diode D2 negative electrode and resistance R 10 and comparer links to each other, and the other end of resistance R 10 is connected with ground, constitutes the adjustment circuit of input signal, and the effect of resistance R 13, R14 is to produce benchmark voltage;
In B, the described collection of simulant signal circuit, the pin 6 of amplifier OP-07 is common ports of the pin 7 of pin 4 and A/D converter AD7705, forms input and detects voltage amplitude adjustment circuit, and capacitor C 9 is filter capacitors of SCLK pin signal;
In C, the described usb circuit, 8 data pins of PDIUSBD12D (U3) are connected with P0.0～P0.7 of MCU respectively, pin one 2 ground connection, and the end of pin one 9 and resistance R 1, R2 is connected, another termination+5V of resistance R 1, the other end ground connection of R2;
In D, the described pulse code modulation (PCM) circuit, 8 pairs of signals of capacitor C are coupled, and are connected through the pin one 9 of resistance R 15 and discharge circuit U4, RJ1 is an adjustable resistance, the pin one 7 of one end and discharge circuit U4 is connected, and the other end is connected with capacitor C 7 through resistance R 4, and capacitor C 7 other ends link to each other with ground.
In Fig. 1, according to the monitoring target difference, each circuit unit of locomotive state monitor is distributed in the different modules.Usb circuit unit and PCM circuit unit are on the voice monitoring modular; Switching signal Acquisition Circuit unit is on zone velocity conversion, contact switch amount signal monitoring module; Detection and level shifting circuit and collection of simulant signal circuit are on frequency quantity and analog quantity monitoring modular; Central control unit is on motherboard.Realize the interconnection of power bus and communication bus on each template by central control unit.The single-chip microcomputer embedded software of each module is packed after the judgment processing after institute's data monitored is received, and is sent to main control computer by serial bus and USB, finishes the conversion and the storage of data by main control computer, and shows in real time on the TFT LCD.Each circuit unit has fixing slot position and geocoding, and is as shown in the table:
| The unit title | Function | The installation site | The address |
| Usb circuit PCM circuit | The voice monitoring | The J1/J2 slot | 00H/01H |
| The switching signal Acquisition Circuit | Switching value, pulsed quantity signal monitoring | The J3 slot | 03H |
| Switching signal Acquisition Circuit (being equipped with) | Switching value, pulsed quantity signal monitoring | The J4 slot | 04H |
| Detection and level shifting circuit collection of simulant signal circuit | Analog quantity, frequency quantity signal monitoring | The J5 slot | 05H |
| Detection and level shifting circuit collection of simulant signal circuit (being equipped with) | Analog quantity, frequency quantity signal monitoring | The J6 slot | 06H |
In Fig. 2, the monitoring of frequency signal is to handle like this: after the frequency signal input, after diode D2, resistance R 10, become the forward half-wave voltage signal and input to comparer U5A, the effect of resistance R 13, R14 is that generation benchmark voltage ratio is 2.8V than reference voltage, when forward half-wave voltage signal amplitude surpassed benchmark voltage, just having produced amplitude at comparer U5A-1 pin was the frequency square wave of 5V.3 tunnel frequency square waves are selected by analog switch U8,, are imported INT0 to the external interrupt of single-chip microcomputer and monitor through isolation, shaping, filter transmission again after band triggers reverser U12A, U12F adjustment driving by the frequency square wave of gating.
In Fig. 3, road simulating signal through gating inputs in the pin 3 of discharge circuit U4, carry out the amplitude adjustment by discharge circuit U4, monitor for A/D converter AD7705 (U10), each digital interface DIN of A/D converter, SCLK, DOUT, CS, DRDY and CPU between transmission all passed through isolation, shaping is handled, C9 is the filter capacitor of serial clock input SCLK, and reference power supply U16 provides the reference voltage of 2.5V for A/D converter.
In Fig. 4, with one road monitoring channel is example explanation: when the input signal end after external contact ground connection, just in the diode (input) of discharge circuit U4A, produce and pass through electric current, make triode (output) the end conducting of discharge circuit U4A, thereby produce low level (being high level usually) at the P1.0 end, detect by the software among the single-chip microcomputer U1.Q3, SW3A, R34 are current-limiting circuits.
In Fig. 5, USB interface chip PDIUSBD12D (U3) works in the NON-DMA pattern, for single-chip microcomputer, in fact it is exactly an external memory device with 8 bit data bus and an address bit (taking 2 positions 0 and 1), meets the AD0-AD7 of diode D12 with the PO pin of single-chip microcomputer.And an available independent P2.0 mouth is controlled the A0 address pin of diode D12.The crystal oscillator of diode D12 is fixed as 6MHZ.Because the data line of diode D12 is monopolized and is connected rather than multiplexing, so here with the CS pin ground connection of diode D12.
To the monitoring of speech data be to write down and process analog voice signal after, send to main control computer, and data can realize finally resetting and undistorted.As shown in Figure 6, phonetic codec chip adopts MC14LC5480 (U8), and it can be converted to the analog voice signal of input the pcm encoder of u rule, simultaneously the pcm encoder contravariant is changed to analog voice signal for monitoring.J-K flip flop U138 pin produces the clock signal of 8kHZ, and binary string linage-counter/frequency divider U129 pin produces the collection sequential of 2.048MHZ.
Claims (2)
1, locomotive state monitor, a kind of locomotive state and personnel's voice monitoring device, whole device comprises central control unit, detection and level shifting circuit unit, collection of simulant signal circuit unit, switching signal Acquisition Circuit unit, pulse code modulation (PCM) circuit unit, usb data transmission interface circuit unit, main control computer and LCD, it is characterized in that:
In A, described detection and the level shifting circuit, the pin (2) of diode D2 negative electrode and resistance R 10 and comparer links to each other, and the other end of resistance R 10 is connected with ground, constitutes the adjustment circuit of input signal, and the effect of resistance R 13, R14 is to produce benchmark voltage;
In B, the described collection of simulant signal circuit, the pin of amplifier OP-07 (6) is the common port of the pin (7) of pin (4) and A/D converter AD7705, forms input and detects voltage amplitude adjustment circuit, and capacitor C 9 is filter capacitors of SCLK pin signal;
In C, the described usb circuit, 8 data pins of PDIUSBD12D are connected with P0.0～P0.7 of MCU respectively, pin (12) ground connection, and the end of pin (19) and resistance R 1, R2 is connected, another termination+5V of resistance R 1, the other end ground connection of R2;
In D, the described pulse code modulation (PCM) circuit, 8 pairs of signals of capacitor C are coupled, and are connected through the pin (19) of resistance R 15 and discharge circuit U4, RJ1 is an adjustable resistance, the pin (17) of one end and discharge circuit U4 is connected, and the other end is connected with capacitor C 7 through resistance R 4, and capacitor C 7 other ends link to each other with ground.
2, locomotive state monitor according to claim 1 is characterized in that: the observation circuit unit is a modularization, and casing structure is the 3U standard, and each module is by motherboard and internal communication and power bus interconnection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520139664 CN2888434Y (en) | 2005-12-09 | 2005-12-09 | Motor vehicle state monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520139664 CN2888434Y (en) | 2005-12-09 | 2005-12-09 | Motor vehicle state monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2888434Y true CN2888434Y (en) | 2007-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520139664 Expired - Lifetime CN2888434Y (en) | 2005-12-09 | 2005-12-09 | Motor vehicle state monitoring device |
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| Country | Link |
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| CN (1) | CN2888434Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181396A (en) * | 2017-05-05 | 2017-09-19 | 北京精密机电控制设备研究所 | A kind of paralleling MOS Guan Junliu and short-circuit protection circuit |
-
2005
- 2005-12-09 CN CN 200520139664 patent/CN2888434Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181396A (en) * | 2017-05-05 | 2017-09-19 | 北京精密机电控制设备研究所 | A kind of paralleling MOS Guan Junliu and short-circuit protection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HFUT HIGH-TECH. INFORMATION TECHNOLOGY CO., LTD. Free format text: FORMER NAME: HEFEI GONGDA GAOKE INFORMATION TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Tianzhi road high tech Development Zone in Hefei City, Anhui Province, No. 27 230088 Co-patentee after: Meishan Steels Co., Ltd., Shanghai Patentee after: Hefei GOCOM Information & Technology Co., Ltd. Address before: Tianzhi road high tech Development Zone in Hefei City, Anhui Province, No. 27 230088 Co-patentee before: Meishan Steels Co., Ltd., Shanghai Patentee before: Hefei Gongda Gaoke Information Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070411 |
|
| EXPY | Termination of patent right or utility model |