CN203537415U - Mining multifunctional signal converter - Google Patents
Mining multifunctional signal converter Download PDFInfo
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- CN203537415U CN203537415U CN201320672072.1U CN201320672072U CN203537415U CN 203537415 U CN203537415 U CN 203537415U CN 201320672072 U CN201320672072 U CN 201320672072U CN 203537415 U CN203537415 U CN 203537415U
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- 238000005065 mining Methods 0.000 title claims abstract description 36
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 24
- 230000003993 interaction Effects 0.000 claims description 8
- 239000003245 coal Substances 0.000 abstract description 9
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 238000002955 isolation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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Abstract
The utility model discloses a mining multifunctional signal converter. The converter comprises a processor, a signal input unit that is connected with the processor and used for connecting a sensor, and an interface unit that is used for connecting a mining substation. The signal input unit comprises a frequency input module and a voltage/current input module. The interface unit comprises a frequency output module in connection with the signal output end of the processor and a CAN bus communication module and an RS485 bus communication module, wherein the CAN bus communication module and the RS485 bus communication module are in bidirectional connection with the communication interface of the processor. The converter further comprises a switching changeover unit in connection with the processor. The converter is widely used under conditions that the conventional monitoring systems have no uniform standard and interfaces. The converter is used for achieving signal conversion connection between the sensor and a mining substation, and for achieving signal conversion connection between substations having different standards and interfaces, so that repeated investment of coal mine equipment is reduced, and communication transmission reliability is improved.
Description
Technical field
The utility model belongs to electronic information processing technology field, is specifically related to the multifunctional signal transducer between various transducers and various mining substation under a kind of coal mine.
Background technology
Although Safety of Coal Mine Production makes a lot of progress in recent years, compare larger gap in addition with Safety of Coal Mine Production advanced level in the world.How to make full use of the information-based product of various sensors under existing coal mine, ensure Safety of Coal Mine Production, the generation of preventing accident, becomes Safety of Coal Mine Production key subjects in front.
Each architectonical of existing Coal Mine Safety Monitoring Systems, do not seek unity of standard and interface, caused in monitoring works that same type of sensor repeats to install, data are failed to report, cannot normal communication between system etc. problem, cause monitoring and controlling system accurately precognition accident occur.
Existing similar signal converter for mining cannot be realized the multidirectional translation function of data, and function is comparatively single, and needs extra intrinsic safety electric source power supply, be unfavorable for that colliery control appliance drops into, and inconvenient staff scene is installed and used.
Chinese Patent Application No. 200810116728.5 discloses a kind of signal converter for mining, this device is due to intrinsic safety electric source, microprocessor module, communication module, sensor signal input processing module, signal output processing module, the real time data of the various analog quantitys that Real-time Collection articulates, switching value, cumulant transducer, and packet is sent to the mining substation of upper level by RS485 bus.This device can only be realized the signal conversion between transducer and substation, can not realize the signal conversion between distinct interface substation, and communication interface is comparatively single, and needs extra intrinsic safety electric source power supply, is unfavorable for that colliery control appliance drops into.
Utility model content
The purpose of this utility model is to provide a kind of mining multifunctional signal converter, single and can not realize the problem of signal between distinct interface substation conversion to solve existing signal converter for mining interface.
In order to realize above object, the technical scheme that the utility model adopts is: a kind of mining multifunctional signal converter, comprise processor and be connected with processor for the signal input unit that is connected with transducer and interface unit for being connected with mining substation, described signal input unit comprises frequency input module and voltage/current input module, described interface unit comprise the frequency output module that is connected with the signal output part of processor and with the two-way CAN bus communication module being connected of communication interface and the RS485 bus communication module of processor; This transducer also comprises a switch switching unit being connected with processor.
Described processor is also connected with man-machine interaction unit.
Described man-machine interaction unit comprises display screen and infrared receiving port.
This signal converter is powered by power conversion unit, and described power conversion unit has at least two kinds of different Voltage-output interfaces.
Described switch switching unit adopts toggle switch.
The input of described voltage/current input module is connected with one for controlling the toggle switch of selecting input signal.
Mining multifunctional signal converter of the present utility model, signal input unit frequency input module and voltage/current input module, interface unit comprise the frequency output module that is connected with the signal output part of processor and with the two-way CAN bus communication module being connected of communication interface and the RS485 bus communication module of processor; This transducer also comprises a switch switching unit being connected with processor, this transducer is not widely applied when monitoring and controlling system has unified standard and interface, both can be connected with the signal conversion of mining substation for realizing transducer, the signal conversion that also can realize between various criterion and the substation of interface connects, reduce the overlapping investment of coal mine equipment, improved communications reliability.
This transducer adopts power conversion unit power supply, and the intrinsic safety electric source for to transducer power supply that mining substation is provided carries out Two Stages, realizes the power supply of each unit of transducer.
Utilize the toggle switch of switch unit to realize conversion regime and the direction of control signal, realize the signal conversion between each transducer and mining substation and between each mining substation.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the utility model mining multifunctional signal converter;
Fig. 2 is the relationship conversion schematic diagram of the utility model mining multifunctional signal converter;
Fig. 3 is the utility model application connection layout.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described further.
Be illustrated in figure 1 the theory diagram of the utility model mining multifunctional signal converter embodiment, as seen from the figure, this signal converter comprise processor and be connected with processor for the signal input unit that is connected with transducer and interface unit for being connected with mining substation, signal input unit comprises frequency input module and voltage/current input module, interface unit comprise the frequency output module that is connected with the signal output part of processor and with the two-way CAN bus communication module being connected of communication interface and the RS485 bus communication module of processor; This transducer also comprises a switch switching unit being connected with processor.
This signal converter is powered by power conversion unit, and this power conversion unit has at least two kinds of different Voltage-output interfaces.The present embodiment adopts Two Stages, and one-level conversion provides transducer intrinsic safety electric source 9～25V(mining substation of powering) be transformed to 5V, 5V offers full isolated can bus unit, full isolation RS 485 bus unit and frequency output unit and uses; Two-dimensional transform is transformed to 3.3V by 5V, for key control unit and other unit.
Processor of the present utility model (being CPU) is the core of whole mining multifunctional signal converter, is the processor system based on Cortex-M0 kernel.This processor is also connected with man-machine interaction unit, and man-machine interaction unit comprises display screen and infrared receiving port, by infrared remote control and liquid crystal display, realizes man-machine interaction.
Frequency input module comprises at least one (the present embodiment is two) frequency input channel, can gather the frequency type signal of 0～5000Hz simultaneously, and the CPU timer by key control unit carrys out measuring frequency.
Voltage/current input module comprises at least one (the present embodiment is two) input channel, by toggle switch, can select input signal types, input signal is converted to suitable voltage signal and by the inner ADC of key control unit CPU, signal be sampled and calculate afterwards.
CAN bus communication module adopts full isolated can bus, comprises that a slice has signal isolation, isolated from power and CAN bus driver chip, and signaling interface is connected in peripheral hardware CAN pin in CPU sheet.
RS485 bus communication module adopts full isolation RS 485 bus, comprises that a slice has signal isolation, isolated from power and RS485 bus driver chip, and signaling interface is connected in peripheral hardware UART pin in CPU sheet.
Frequency output module comprises at least one (the present embodiment is two) frequency output, and frequency output area is 0～5000Hz, by the Timer Controlling of CPU, exports.
Switch switching unit adopts toggle switch, and CPU, by conversion regime and the direction of corresponding toggle switch control signal, realizes the multifunctionality of signal converter.
This mining multifunctional signal converter is also provided with intrinsic safety shell outward, and this shell has waterproof and dustproof and anti-corrosion function.
As shown in Figure 2, signal converter of the present utility model both can be connected with the signal conversion of mining substation for realizing transducer, comprise: (1) realizes the data transaction of frequency input and the output of CAN bus, be applicable to analog output standard transducer access GLSSNet occasion; (2) realize the data transaction of frequency input and the output of RS485 bus, be applicable to analog signal and be subject to the occasions such as transmission range restriction and interference problem; (3) realize the data transaction of voltage/current input and frequency output, be applicable to voltage/current and turn frequency signal occasion.In addition, the signal conversion that this transducer also can be realized between various criterion and the substation of interface connects, comprise: (1) realizes CAN bus data (input) and frequency output data transaction, is applicable to the occasion that GLSSNet interface sensor accesses other producer's substations; (2) realize RS485 bus data (input) and frequency output data transaction, be applicable to the occasion that RS485 interface digital sensor connects other producer's substations; (3) realize the bi-directional conversion of CAN bus data and RS485 bus data, be applicable to the occasion of RS485 interface digital sensor access GLSSNet.
As shown in Figure 3, in use, this mining multifunctional transducer is connected between the mining substation of various mine sensors Yu Ge producer, the conversion that realizes signal connects.
With frequency input, being converted to example with CAN bus output data below describes.
As shown in Figure 2, this signal conversion regime is applicable to analog quantity (frequency signal) Output system transducer access GLSSNet(intelligent sensor network, CAN bus sensors Intelligent Recognition procotol), be mainly used in the existing transducer in colliery to access smoothly GLSSNet, realize seamless access and the intellectuality of transducer, concrete application process is as follows: opening power first, powers on system; By human-computer interaction interface mining multifunctional signal converter, be set to frequency again and input to CAN bus output data transaction, confirm and store; CPU, by the frequency values of the collection of timer internal capturing function the input of calculated rate input module, is converted to digital signal simultaneously; The digital signal of last CPU conversion sends with GLSSNet agreement by CAN bus, completes data transaction one time; Above-mentioned sampling and processing process is looped, thereby complete the conversion of desired signal.
Claims (6)
1. a mining multifunctional signal converter, it is characterized in that: comprise processor and be connected with processor for the signal input unit that is connected with transducer and interface unit for being connected with mining substation, described signal input unit comprises frequency input module and voltage/current input module, described interface unit comprise the frequency output module that is connected with the signal output part of processor and with the two-way CAN bus communication module being connected of communication interface and the RS485 bus communication module of processor; This transducer also comprises a switch switching unit being connected with processor.
2. mining multifunctional signal converter according to claim 1, is characterized in that: described processor is also connected with man-machine interaction unit.
3. mining multifunctional signal converter according to claim 2, is characterized in that: described man-machine interaction unit comprises display screen and infrared receiving port.
4. mining multifunctional signal converter according to claim 1, is characterized in that: this signal converter is powered by power conversion unit, and described power conversion unit has at least two kinds of different Voltage-output interfaces.
5. mining multifunctional signal converter according to claim 1, is characterized in that: described switch switching unit adopts toggle switch.
6. mining multifunctional signal converter according to claim 1, is characterized in that: the input of described voltage/current input module is connected with one for controlling the toggle switch of selecting input signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320672072.1U CN203537415U (en) | 2013-10-28 | 2013-10-28 | Mining multifunctional signal converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320672072.1U CN203537415U (en) | 2013-10-28 | 2013-10-28 | Mining multifunctional signal converter |
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| Publication Number | Publication Date |
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| CN203537415U true CN203537415U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320672072.1U Expired - Lifetime CN203537415U (en) | 2013-10-28 | 2013-10-28 | Mining multifunctional signal converter |
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| CN (1) | CN203537415U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107566759A (en) * | 2017-10-17 | 2018-01-09 | 东莞市博成硅胶制品有限公司 | A kind of analogy converter and its application |
| CN114415561A (en) * | 2021-12-28 | 2022-04-29 | 煤炭科学技术研究院有限公司 | Power-off time detection device of digital coal mine safety monitoring system |
-
2013
- 2013-10-28 CN CN201320672072.1U patent/CN203537415U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107566759A (en) * | 2017-10-17 | 2018-01-09 | 东莞市博成硅胶制品有限公司 | A kind of analogy converter and its application |
| CN114415561A (en) * | 2021-12-28 | 2022-04-29 | 煤炭科学技术研究院有限公司 | Power-off time detection device of digital coal mine safety monitoring system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Patentee after: GLTECH Co.,Ltd. Address before: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Patentee before: ZHEJIANG GUANGLI TECH DEVELOPMENT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |
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| CX01 | Expiry of patent term |