CN201926636U - Bar-shaped coal field safety monitoring device - Google Patents
Bar-shaped coal field safety monitoring device Download PDFInfo
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- CN201926636U CN201926636U CN2010202888448U CN201020288844U CN201926636U CN 201926636 U CN201926636 U CN 201926636U CN 2010202888448 U CN2010202888448 U CN 2010202888448U CN 201020288844 U CN201020288844 U CN 201020288844U CN 201926636 U CN201926636 U CN 201926636U
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Abstract
The utility model discloses a bar-shaped coal field safety monitoring device, which relates to coal field monitoring equipment. A plurality sets of continuous temperature measuring devices are evenly and parallelly installed on the floor and the inner walls of retaining walls on both sides of the bar-shaped coal-storing coal field, the distance between two sets of adjacent continuous temperature measuring devices is 2.5m; a plurality of carbon monoxide sensors are evenly positioned on top boards, the distance between two adjacent carbon monoxide sensors is 10m; a plurality of oxygen sensors are arranged on the top boards, the distance between two adjacent oxygen sensors is 40m; a plurality of flammable gas sensors are evenly installed on the top boards, the distance between two adjacent flammable gas sensors is 10m; a plurality of smoke sensors are evenly arranged on the top boards, the distance between two adjacent smoke sensors is 10m; a plurality of open fire sensors are installed evenly on the top boards with a 60-degree installing level inclined angle, the distance between two adjacent open fire sensors is 10m. The monitoring device has the advantage that working environment safety of the bar-shaped coal-storing coal field is improved.
Description
Technical field
The utility model relates to a kind of coal yard monitoring equipment, specifically is a kind of bar shaped coal yard safety monitoring assembly; Be applicable to coal storage bar shaped coal yard.
Background technology
The bar shaped coal yard is mainly used in coal storage as a kind of storage facilities.If the time one is long, the temperature in the coal storage bar shaped coal yard can raise, and produces inflammable gas, CO gas, smog etc.; The phenomenon that the bar shaped coal yard is deposited coal intensification and spontaneous combustion happens occasionally.Therefore, the importance of the security system in the coal storage bar shaped coal yard is just more and more outstanding.But do not have a kind of reliable bar shaped coal yard monitoring device at present.Therefore how the environment in the bar shaped coal yard also just can't be known, often because harmful gas content is too much, causes blast of bar shaped coal yard and casualties.
Summary of the invention
In order to solve the shortcoming of prior art, the utility model provides a kind of bar shaped coal yard safety monitoring assembly; Temperature, inflammable gas, CO gas, smog parameter to bar shaped coal yard coal storage are monitored, and guarantee that its operational factor is within the security control scope; Exceed allowed band as certain parameter, send alerting signal immediately, in time remind the operations staff to take measures necessary, eliminate accident potential.
The utility model is realized with following technical scheme: a kind of bar shaped coal yard safety monitoring assembly, comprise the signals collecting part, the signal that signals collecting is partly gathered carries out the conversion of signals part of conversion process and is used for the host computer of data processing, control, demonstration and printing; Described signal acquisition part branch comprises: the oxygen sensor that is used to detect oxygen concentration in the bar shaped coal yard; Be used to detect the carbon monoxide transducer of carbon monoxide gas concentration in the bar shaped coal yard; Be used to detect the combustible gas sensor of combustable gas concentration in the bar shaped coal yard; Above-mentioned each sensor is connected by the A/D modular converter with the A/D modular converter respectively analog signal conversion is become digital signal, and the A/D modular converter is connected with host computer by the CAN bus digital signal is flowed to host computer; The signals collecting part also comprises: the smoke transducer that is used to detect smokescope in the bar shaped coal yard; Be used to detect the naked light sensor that has naked light to produce in the bar shaped coal yard; Be used to detect the continous way temperature measuring equipment of coal storage bottom temp in the bar shaped coal yard; Smoke transducer is connected by the switching value modular converter with the switching value modular converter with the naked light sensor switching value conversion of signals is become digital signal, and the switching value modular converter is connected with host computer by the CAN bus digital signal is flowed to host computer; The continous way temperature measuring equipment is connected with the DS18B20 acquisition module by the DS18B20 acquisition module and converts the monobus lin protocol of continous way temperature measuring equipment to the MODBUS agreement, and the DS18B20 acquisition module is connected with host computer by the CAN bus digital signal is flowed to host computer; Described continous way temperature measuring equipment has many covers, evenly be installed in parallel on the ground of coal storage bar shaped coal yard and on the two lateral retaining wall inwalls, spacings between the adjacent two cover continous way temperature measuring equipments are 2.5m, the continous way temperature measuring equipment be sleeved on be laid on the coal yard ground in advance and two lateral retaining wall inwalls on galvanized conduit in; Described carbon monoxide transducer has many, evenly is installed on the coal storage bar shaped coal yard top board; Distance from bottom dump peak spacing is 5m, and the spacing between adjacent two carbon monoxide transducers is 10m; Described oxygen sensor has many, evenly is installed on the coal storage bar shaped coal yard top board, and distance from bottom dump peak spacing is 5m, and the spacing between adjacent two oxygen sensors is 40m; Described combustible gas sensor has many, evenly is installed on the coal storage bar shaped coal yard top board, and distance from bottom dump peak spacing is 5m, and the spacing between adjacent two combustible gas sensors is 10m; Described smoke transducer has many, evenly is installed on the coal storage bar shaped coal yard top board, and distance from bottom dump peak spacing is 5m, and the spacing between adjacent two smoke transducers is 10m; Described naked light sensor has many, evenly is installed on the coal storage bar shaped coal yard top board, and it is 60 ° that the horizontal tilt angle is installed, and distance from bottom dump peak spacing is 5m, and the spacing between adjacent two naked light sensors is 10m.
Principle of work: the analog signals that oxygen sensor, carbon monoxide transducer and combustible gas sensor will collect separately is sent to the A/D modular converter, the A/D modular converter is sent to host computer by the CAN bus after converting all analog signalses to digital quantity signal, just can monitor these signals automatically by host computer, when surpassing early warning value, in time send warning.The switching value signal that smoke transducer and naked light sensor will collect separately is sent to the switching value modular converter, the switching value conversion of signals arrives host computer by the CAN bus transfer after becoming digital quantity signal, monitor wanting data monitored by host computer, in time send warning when exceeding early warning value; The continous way temperature measuring equipment is connected with the DS18B20 acquisition module, the DS18B20 acquisition module converts the monobus lin protocol of continous way temperature measuring equipment to the MODBUS agreement, the DS18B20 acquisition module is connected with host computer by the CAN bus, by host computer monitoring coal storage bottom temp data, when exceeding early warning value, in time send warning.
The beneficial effects of the utility model are: when bar shaped coal yard coal storage, just can directly monitor by host computer temperature, inflammable gas, CO gas, oxygen, smog, the parameter of bar shaped coal yard coal storage, guarantee that its operational factor is within the security control scope, has improved the security of working environment.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the sensor scheme of installation;
Fig. 2 is the utility model electricity theory diagram.
Among the figure: 1, top board; 2, oxygen sensor; 3, carbon monoxide transducer; 4, combustible gas sensor; 5, smoke transducer; 6, naked light sensor; 7, continous way temperature measuring equipment; 8, two lateral retaining walls.
Embodiment
As shown in Figure 1, present embodiment is to be example with coal storage bar shaped coal yard:
The relevant concrete parameter of bar shaped coal yard:
Coal piling height: 13.5m
Inboard wall height: 1.5m under the rail
Both sides wall height: 2.6m
Coal yard bottom width: 42m
Coal yard upper strata width: 13m
Coal yard length: 210m
Nature stocking angle: 38%%d
The density of coal (in brown coal 0.65～0.78): about 0.7T/m3
Coefficient: 0.8～0.9
40 carbon monoxide transducers 3 of coal storage bar shaped coal yard configuration evenly are installed on the coal storage bar shaped coal yard top board 1, and distance from bottom dump peak spacing is 5m, and the spacing between adjacent two carbon monoxide transducers 3 is 10m.Carbon monoxide transducer 3 is used to detect carbon monoxide content in the coal yard, measurement range: 0-100%LEL.Elementary warning is 25%LEL, secondary warning 50%LEL, and the value of setting of reporting to the police is adjustable, output signal 4-20mA.
10 oxygen sensors 2 of coal storage bar shaped coal yard configuration evenly are installed on the coal storage bar shaped coal yard top board 1, and distance from bottom dump peak spacing is 5m, and the spacing between two adjacent oxygen sensors 2 is 40m.Oxygen sensor 2 is used to detect oxygen content in the coal yard, and the personnel that prevent mishap occurs in the perform region anoxic, and is provided with first, high two-stage alarm limit, to guarantee personal safety.Measurement range: 0-25%vol, high alarm setting are 18%, and the value of setting of reporting to the police is adjustable, output signal 4-20mA.
40 combustible gas sensors 4 of coal storage bar shaped coal yard configuration evenly are installed on the coal storage bar shaped coal yard top board 1, and distance from bottom dump peak spacing is 5m, and the spacing between two adjacent combustible gas sensors 4 is 10m.Combustible gas sensor 4 is used to detect the concentration of the inner coal storage volatilization of bar shaped coal yard inflammable gas.Combustible gas sensor 4 power supplies are DC24V, and output signal is 4～20mA, and measurement range is 0-100%LEL.Elementary warning: 25%LEL, secondary is reported to the police: 40%LEL, alarming value is provided with adjustable, output signal 4-20mA.
40 smoke transducers 5 of coal storage bar shaped coal yard configuration evenly are installed on the coal storage bar shaped coal yard top board 1, and distance from bottom dump peak spacing is 5m, and the spacing between two adjacent smoke transducers 5 is 10m.Smoke transducer 5 is used to detect bar shaped coal yard inner space and the smog that fire or coal storage glow and produce whether occurs.Smoke transducer 5 is not subjected to strong magnetic interference, is not afraid of humidity, (20 ℃) energy operate as normal under low-temperature condition; Function with the comparison of three sub-samplings prevents from disposable mistake cigarette or other similar interference to occur in detected space; Sensor self can be discerned, and avoids wrong report.
Coal storage bar shaped coal yard has 40 naked light sensors 6, evenly is installed on the coal storage bar shaped coal yard top board 1, and distance from bottom dump peak spacing is 5m, and the spacing between two adjacent smoke transducers 6 is 10m.Whether smoke transducer 6 is used to detect has naked light to produce in the coal storage bar shaped coal yard.
Coal storage bar shaped coal yard configuration 166 cover continous way device for detecting temperature 7, be installed in respectively on the ground and two lateral retaining walls, 8 inwalls of bar shaped coal yard, continous way temperature measuring equipment 7 comprises cable conductor, on cable conductor, be parallel with several thermometric chips along its length, the external packets of cable conductor is wrapped with the Polyvinylchloride inner sheath, the pvc sheath external packets is wrapped with armouring wire, and the armouring wire external packets is wrapped with the high pressure polyethylene oversheath.The thermometric chip adopts digital temperature sensor DS18B20, and two cable conductors that its VDD, GND pin pass through wherein respectively are connected with VCC, GND, and the DQ pin is connected with the DS18B20 acquisition module by the 3rd cable conductor.The measured signal digitizing, what therefore transmit on unibus is digital signal to digital module sensor DS18B20 at check point, and this makes good in anti-interference performance, reliability height, the long transmission distance of system.Mounting means: continous way temperature measuring equipment 7 long 42m, 40m is used for coal yard bottom part thermometric, 2m is used for two lateral retaining walls, 8 part thermometrics, every one of 2.5m configuration, article one, join 16 temperature elements in the cable altogether, two adjacent temperature element protection areas intersect mutually, make temperature monitoring more accurate, and are safe and reliable; Continous way temperature measuring equipment 7 outer cover are contained in the galvanized conduit that is laid in advance on coal yard ground and the two lateral retaining wall inwalls, temperature-measuring range-55～+ 125 ℃.
As shown in Figure 2, bar shaped coal yard safety monitoring assembly is by the signals collecting part, and the host computer that the signal that signals collecting is partly gathered carries out the conversion of signals part of conversion process and is used for data processing, control, demonstration and printing is formed.Signals collecting partly has: be used to detect the oxygen sensor 2 of oxygen concentration in the bar shaped coal yard, the combustible gas sensor 4 that is used to detect the carbon monoxide transducer 3 of carbon monoxide gas concentration in the bar shaped coal yard and is used to detect combustable gas concentration in the bar shaped coal yard; Above-mentioned each sensor is connected by the A/D modular converter with the A/D modular converter respectively analog signal conversion is become digital signal, and the A/D modular converter is connected with host computer by the CAN bus digital signal is flowed to host computer.Signals collecting partly also has: be used to detect smokescope in the bar shaped coal yard smoke transducer 5, be used to detect naked light sensor 6 that naked light produces and the continous way temperature measuring equipment 7 that is used to detect coal storage bottom temp in the bar shaped coal yard arranged in the bar shaped coal yard.Smoke transducer 5 is connected by the switching value modular converter with the switching value modular converter with naked light sensor 6 the switching value conversion of signals is become digital signal, and the switching value modular converter is connected with host computer by the CAN bus digital signal is flowed to host computer.Continous way temperature measuring equipment 7 is connected with the DS18B20 acquisition module by the DS18B20 acquisition module and converts the monobus lin protocol of continous way temperature measuring equipment 7 to the MODBUS agreement, and the DS18B20 acquisition module is connected with host computer by the CAN bus digital signal is flowed to host computer.
The A/D modular converter that is connected with oxygen sensor 2, carbon monoxide transducer 3, combustible gas sensor 4 adopts analog measurement module EDA9017; The analog signals that oxygen sensor 2, carbon monoxide transducer 3 and combustible gas sensor 4 will collect separately at first converts 4～20mA analog signals to through internal transmitter separately, send analog measurement module EDA9017 to by cable again, analog measurement module EDA9017 passes to host computer to all digital quantity signals after the conversion by the CAN bus again.Analog measurement module EDA9017 can be widely used in various Industry Control and the measuring system, 4～20mA or 0～10V signal of the output of transmitters such as its energy measurement pressure, temperature, electric weight, its communication interface is RS485 or RS232, power supply is DC8～30V, communications protocol is 3 kinds of MODBUS-RTU, ASCII character, sexadecimal LC-02 agreement, and agreement can be discerned automatically.Adopt switching value measurement module EDA9050 with the switching value modular converter that smoke transducer 5 is connected with naked light sensor 6.The switching value signal that smoke transducer 5 and naked light sensor 6 will collect separately is sent among the switching value measurement module EDA9050, and switching value measurement module EDA9050 becomes digital quantity signal to pass to host computer by the CAN bus all switching value conversion of signals.The one cover lift comprehensive monitoring mechanism at bar shaped coal yard top is also by this programmable controller S7-200PLC control, so operating personnel can the long-range or operation of control lift comprehensive monitoring mechanism with advancing.The DS18B20 acquisition module that is connected with continous way temperature measuring equipment 7 adopts temperature collect module STA-D type 18B20, temperature collect module STA-D type 18B20 converts the monobus lin protocol of continous way temperature measuring equipment 7 to the MODBUS agreement, have the function that shows and report to the police simultaneously, by the CAN bus each layer temperature data of coal storage are passed to host computer then.
Host computer is mainly by computing machine, and printer and display device are formed.What computing machine was used is configuration software, can control operation with the bar shaped coal yard in real time by software.Configuration software is true 32 the industrial control configuration software that runs on Chinese WindowsXP and the Windows2000.Software communicates with analog measurement module EDA9017, switching value measurement module EDA9050, temperature collect module STA-D type 18B20 respectively by the MODBUS bus.Have in the software: structured layout, configuration is flexible; Signal Spacing, the reliability height; Software function is strong; Realized that mark portion comes coding by the VB language, system can adapt to different requirements flexibly.
Claims (4)
1. a bar shaped coal yard safety monitoring assembly comprises the signals collecting part, and the signal that signals collecting is partly gathered carries out the conversion of signals part of conversion process and is used for the host computer of data processing, control, demonstration and printing; Described signal acquisition part branch comprises: the oxygen sensor (2) that is used to detect oxygen concentration in the bar shaped coal yard; Be used to detect the carbon monoxide transducer (3) of carbon monoxide gas concentration in the bar shaped coal yard; Be used to detect the combustible gas sensor (4) of combustable gas concentration in the bar shaped coal yard; Above-mentioned each sensor is connected by the A/D modular converter with the A/D modular converter respectively analog signal conversion is become digital signal, and the A/D modular converter is connected with host computer by the CAN bus digital signal is flowed to host computer; The signals collecting part also comprises: the smoke transducer (5) that is used to detect smokescope in the bar shaped coal yard; Be used to detect the naked light sensor (6) that has naked light to produce in the bar shaped coal yard; Be used to detect the continous way temperature measuring equipment (7) of coal storage bottom temp in the bar shaped coal yard; Smoke transducer (5) is connected by the switching value modular converter with the switching value modular converter with naked light sensor (6) the switching value conversion of signals is become digital signal, and the switching value modular converter is connected with host computer by the CAN bus digital signal is flowed to host computer; Continous way temperature measuring equipment (7) is connected with the DS18B20 acquisition module by the DS18B20 acquisition module and converts the monobus lin protocol of continous way temperature measuring equipment (7) to the MODBUS agreement, and the DS18B20 acquisition module is connected with host computer by the CAN bus digital signal is flowed to host computer; It is characterized in that: described continous way temperature measuring equipment (7) has many covers, evenly be installed in parallel on the ground and two lateral retaining walls (8) inwall of coal storage bar shaped coal yard, spacing between the adjacent two cover continous way temperature measuring equipments (7) is 2.5m, and continous way temperature measuring equipment (7) is sleeved in the galvanized conduit that is laid in advance on coal yard ground and two lateral retaining walls (8) inwall; Described carbon monoxide transducer (3) has many, evenly is installed on the coal storage bar shaped coal yard top board (1); Distance from bottom dump peak spacing is 5m, and the spacing between adjacent two carbon monoxide transducers (3) is 10m; Described oxygen sensor (2) has many, and oxygen sensor evenly is installed on the coal storage bar shaped coal yard top board (1), and distance from bottom dump peak spacing is 5m, and the spacing between adjacent two oxygen sensors (2) is 40m; Described combustible gas sensor (4) has many, evenly is installed on the coal storage bar shaped coal yard top board (1), and distance from bottom dump peak spacing is 5m, and the spacing between adjacent two combustible gas sensors (4) is 10m; Described smoke transducer (5) has many, evenly is installed on the coal storage bar shaped coal yard top board (1), and distance from bottom dump peak spacing is 5m, and the spacing between adjacent two smoke transducers (5) is 10m; Described naked light sensor (6) has many, evenly is installed on the coal storage bar shaped coal yard top board (1), and it is 60 ° that the horizontal tilt angle is installed, and distance from bottom dump peak spacing is 5m, and the spacing between adjacent two naked light sensors (6) is 10m.
2. bar shaped coal yard safety monitoring assembly according to claim 1 is characterized in that: the A/D modular converter that is connected with oxygen sensor (2), carbon monoxide transducer (3) and combustible gas sensor (4) adopts analog measurement module EDA9017.
3. bar shaped coal yard safety monitoring assembly according to claim 1 is characterized in that: adopt switching value measurement module EDA9050 with the switching value modular converter that smoke transducer (5) is connected with naked light sensor (6).
4. bar shaped coal yard safety monitoring assembly according to claim 1 is characterized in that: the DS18B20 acquisition module that is connected with continous way temperature measuring equipment (7) adopts temperature collect module STA-D type 18B20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202888448U CN201926636U (en) | 2010-08-05 | 2010-08-05 | Bar-shaped coal field safety monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202888448U CN201926636U (en) | 2010-08-05 | 2010-08-05 | Bar-shaped coal field safety monitoring device |
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| CN201926636U true CN201926636U (en) | 2011-08-10 |
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| CN2010202888448U Expired - Fee Related CN201926636U (en) | 2010-08-05 | 2010-08-05 | Bar-shaped coal field safety monitoring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698127A (en) * | 2013-12-09 | 2015-06-10 | 瑞士西门子有限公司 | Smoke detection unit containing redundant detectors |
| EP3350592A4 (en) * | 2015-09-17 | 2019-05-22 | Fike Corporation | System and method for detecting smoldering in processes with continuous air flow |
-
2010
- 2010-08-05 CN CN2010202888448U patent/CN201926636U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698127A (en) * | 2013-12-09 | 2015-06-10 | 瑞士西门子有限公司 | Smoke detection unit containing redundant detectors |
| EP3350592A4 (en) * | 2015-09-17 | 2019-05-22 | Fike Corporation | System and method for detecting smoldering in processes with continuous air flow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20140805 |
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| EXPY | Termination of patent right or utility model |