CN202041217U - Portable device for wirelessly and automatically acquiring and measuring specific resistance of water supply pipeline - Google Patents
Portable device for wirelessly and automatically acquiring and measuring specific resistance of water supply pipeline Download PDFInfo
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- CN202041217U CN202041217U CN2011201310632U CN201120131063U CN202041217U CN 202041217 U CN202041217 U CN 202041217U CN 2011201310632 U CN2011201310632 U CN 2011201310632U CN 201120131063 U CN201120131063 U CN 201120131063U CN 202041217 U CN202041217 U CN 202041217U
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Abstract
The utility model relates to a portable device for wirelessly and automatically acquiring and measuring specific resistance of a water supply pipeline, belonging to the technical field of pipeline measurement and solving the problem that a traditional method of manually measuring the specific resistance can not ensure the simultaneity of data, which causes inaccurate measured data of the specific resistance. For the portable device for wirelessly and automatically acquiring and measuring specific resistance of the water supply pipeline, the water supply pipeline which is to be measured and is provided with fire hydrauts and pipeline valves is selected, a wireless data acquiring and transmitting device is installed on the water supply pipeline to be measured and is rigidly connected with the valve or the fire hydraut on each point without damaging the tightness of the pipeline. An operator holds a wireless data receiving and analyzing display device of the portable device for wirelessly and automatically acquiring and measuring specific resistance of the water supply pipeline by hands to start to measure, time of starting and stopping the measurement is adjusted on a liquid crystal touch screen, pressure values and flow values of a sensor on each point on the water supply pipeline to be measured are received at the same time, the pressure values and flow values are transmitted to a PLC (Programmable Logical Controller), and the specific resistance of the pipeline is automatically measured according to an equation input in advance.
Description
Technical field
The utility model relates to a kind of portable feedwater piping resistivity wireless automatic collecting measurement mechanism, belongs to the duct survey technical field.
Background technology
The resistivity of feedwater piping is meant the function of caliber D and tube wall coefficient of roughness C.Its measurement is the important prerequisite that feedwater piping waterpower is calculated, and also is the important evidence of feedwater piping design and conveying equipment type selecting.Therefore resistivity is measured ruuning situation and the economic benefit that whether accurately directly influences whole pipe.Traditional pipeline resistivity is measured, and is two points choosing on the segment pipe, by manually measuring pressure differential and the flow between 2 in person, the data recording that the same time records is got off, and gathers at last and extrapolates the pipeline resistivity.But in actual test job, 4,5 people stand on each measurement point, the each point force value of same time announcement others same time of opening entry of a people wherein then, this method measurement is lost time, manpower, and can not guarantee the simultaneity of the data of surveying, and simultaneity is measured for resistivity very important; Traditional surveying instrument is normally wired, be that sensor one termination valve, hydrant, the other end connects computer by data line, this measurement is also more bothersome, and carry inconvenience, electric wire is ground bad by automobile easily, and traditional measurement method is owing to the influence of ducted flow because of caliber is difficult to accurately record, and need broken road to do well and place flow-measuring apparatus, the requirements for pipes length of test is very long, do not have arm to insert, it is difficult that therefore traditional feedwater piping resistivity is measured actual measurement, and expend time in and manpower, the data recording simultaneity is difficult to guarantee, finally causes the resistivity error calculated bigger, can not reflect the pipeline practical operation situation really.
Summary of the invention
The utility model purpose is to measure the simultaneity that the method for resistivity can't guarantee data in order to solve tradition employing manpower, causes the inaccurate problem of resistivity measurement data, and a kind of portable feedwater piping resistivity wireless automatic collecting measurement mechanism is provided.
Portable feedwater piping resistivity wireless automatic collecting measurement mechanism described in the utility model has four kinds of technical schemes.
The tested feedwater piping of first kind of technical scheme adopts a hydrant and four pipeline valves: portable feedwater piping resistivity wireless automatic collecting measurement mechanism, it comprises data acquisition dispensing device and wireless data receiving and analyzing display device, and the data acquisition dispensing device is arranged on the feedwater piping to be measured;
The data acquisition dispensing device comprises the wireless flow sensor, first wireless pressure sensor, second wireless pressure sensor, the 3rd wireless pressure sensor and the 4th wireless pressure sensor, tested feedwater piping has a hydrant at least, and two pipeline valves are set respectively about described hydrant, the wireless flow sensor is arranged on the hydrant interface of tested feedwater piping, first wireless pressure sensor, second wireless pressure sensor, the 3rd wireless pressure sensor and the 4th wireless pressure sensor are installed on four pipeline valves of tested feedwater piping successively, first wireless pressure sensor, second wireless pressure sensor, the difference place force value of the tested feedwater piping that the 3rd wireless pressure sensor and the 4th wireless pressure sensor will be gathered sends to wireless data receiving and analyzing display device; The flow value of water sends to wireless data receiving and analyzing display device in the tested feedwater piping that the wireless flow sensor will be gathered;
Wireless data receiving and analyzing display device comprises power supply, the wireless telecommunications receiver module, PLC programmable logic controller (PLC) and liquid crystal touch screen, power supply is the wireless telecommunications receiver module, PLC programmable logic controller (PLC) and liquid crystal touch screen power supply, measurement start time and concluding time that liquid crystal touch screen will be established are surely exported to the PLC programmable logic controller (PLC), the PLC programmable logic controller (PLC) will start sample command and the finish command send to the data acquisition dispensing device by the wireless telecommunications receiver module each sensor, the wireless telecommunications receiver module receives the force value information of the flow information and the difference of tested feedwater piping simultaneously, the wireless telecommunications receiver module sends to the PLC programmable logic controller (PLC) with the flow information of reception and the force value information of difference, and the PLC programmable logic controller (PLC) is exported showing at liquid crystal touch screen than resistance K of tested feedwater piping according to the flow information that receives and the force value information of difference.
The tested feedwater piping of second kind of technical scheme adopts five hydrants: portable feedwater piping resistivity wireless automatic collecting measurement mechanism, it comprises data acquisition dispensing device and wireless data receiving and analyzing display device, and the data acquisition dispensing device is arranged on the feedwater piping to be measured;
The data acquisition dispensing device comprises the wireless flow sensor, first wireless pressure sensor, second wireless pressure sensor, the 3rd wireless pressure sensor and the 4th wireless pressure sensor, tested feedwater piping has five hydrants at least, first wireless pressure sensor, second wireless pressure sensor, the wireless flow sensor, the 3rd wireless pressure sensor and the 4th wireless pressure sensor are installed in five hydrant interfaces of tested feedwater piping, first wireless pressure sensor successively, second wireless pressure sensor, the difference place force value of the tested feedwater piping that the 3rd wireless pressure sensor and the 4th wireless pressure sensor will be gathered sends to wireless data receiving and analyzing display device; The flow value of water sends to wireless data receiving and analyzing display device in the tested feedwater piping that the wireless flow sensor will be gathered;
Wireless data receiving and analyzing display device comprises power supply, the wireless telecommunications receiver module, PLC programmable logic controller (PLC) and liquid crystal touch screen, power supply is the wireless telecommunications receiver module, PLC programmable logic controller (PLC) and liquid crystal touch screen power supply, measurement start time and concluding time that liquid crystal touch screen will be established are surely exported to the PLC programmable logic controller (PLC), the PLC programmable logic controller (PLC) will start sample command and the finish command send to the data acquisition dispensing device by the wireless telecommunications receiver module each sensor, the wireless telecommunications receiver module receives the force value information of the flow information and the difference of tested feedwater piping simultaneously, the wireless telecommunications receiver module sends to the PLC programmable logic controller (PLC) with the flow information of reception and the force value information of difference, and the PLC programmable logic controller (PLC) is exported showing at liquid crystal touch screen than resistance K of tested feedwater piping according to the flow information that receives and the force value information of difference.
The tested feedwater piping of the third technical scheme adopts three hydrants: it comprises data acquisition dispensing device and wireless data receiving and analyzing display device, and the data acquisition dispensing device is arranged on the feedwater piping to be measured;
The data acquisition dispensing device comprises the wireless flow sensor, first wireless pressure sensor, second wireless pressure sensor and the 3rd wireless pressure sensor, tested feedwater piping has three hydrants at least, the wireless flow sensor and second wireless pressure sensor all are arranged on the hydrant interface in the centre position of tested feedwater piping, first wireless pressure sensor and the 3rd wireless pressure sensor are installed in the hydrant interface of two side positions of tested feedwater piping, first wireless pressure sensor respectively, the difference place force value of the tested feedwater piping that second wireless pressure sensor and the 3rd wireless pressure sensor will be gathered sends to wireless data receiving and analyzing display device; The flow value of water sends to wireless data receiving and analyzing display device in the tested feedwater piping that the wireless flow sensor will be gathered;
Wireless data receiving and analyzing display device comprises power supply, the wireless telecommunications receiver module, PLC programmable logic controller (PLC) and liquid crystal touch screen, power supply is the wireless telecommunications receiver module, PLC programmable logic controller (PLC) and liquid crystal touch screen power supply, measurement start time and concluding time that liquid crystal touch screen will be established are surely exported to the PLC programmable logic controller (PLC), the PLC programmable logic controller (PLC) will start sample command and the finish command send to the data acquisition dispensing device by the wireless telecommunications receiver module each sensor, the wireless telecommunications receiver module receives the force value information of the flow information and the difference of tested feedwater piping simultaneously, the wireless telecommunications receiver module sends to the PLC programmable logic controller (PLC) with the flow information of reception and the force value information of difference, and the PLC programmable logic controller (PLC) is exported showing at liquid crystal touch screen than resistance K of tested feedwater piping according to the flow information that receives and the force value information of difference.
The tested feedwater piping of the 4th kind of technical scheme adopts a hydrant and two pipeline valves: portable feedwater piping resistivity wireless automatic collecting measurement mechanism, it comprises data acquisition dispensing device and wireless data receiving and analyzing display device, and the data acquisition dispensing device is arranged on the feedwater piping to be measured;
The data acquisition dispensing device comprises the wireless flow sensor, first wireless pressure sensor, second wireless pressure sensor and the 3rd wireless pressure sensor, tested feedwater piping has a hydrant at least, and a pipeline valve is set respectively about described hydrant, the wireless flow sensor and second wireless pressure sensor all are arranged on the hydrant interface of tested feedwater piping, first wireless pressure sensor and the 3rd wireless pressure sensor are installed in respectively on two pipeline valves of tested feedwater piping, first wireless pressure sensor, the difference place force value of the tested feedwater piping that second wireless pressure sensor and the 3rd wireless pressure sensor will be gathered sends to wireless data receiving and analyzing display device; The flow value of water sends to wireless data receiving and analyzing display device in the tested feedwater piping that the wireless flow sensor will be gathered;
Wireless data receiving and analyzing display device comprises power supply, the wireless telecommunications receiver module, PLC programmable logic controller (PLC) and liquid crystal touch screen, power supply is the wireless telecommunications receiver module, PLC programmable logic controller (PLC) and liquid crystal touch screen power supply, measurement start time and concluding time that liquid crystal touch screen will be established are surely exported to the PLC programmable logic controller (PLC), the PLC programmable logic controller (PLC) will start sample command and the finish command send to the data acquisition dispensing device by the wireless telecommunications receiver module each sensor, the wireless telecommunications receiver module receives the force value information of the flow information and the difference of tested feedwater piping simultaneously, the wireless telecommunications receiver module sends to the PLC programmable logic controller (PLC) with the flow information of reception and the force value information of difference, and the PLC programmable logic controller (PLC) is exported showing at liquid crystal touch screen than resistance K of tested feedwater piping according to the flow information that receives and the force value information of difference.
Advantage of the present utility model: portable feedwater piping resistivity wireless automatic collecting measurement mechanism of the present utility model carries out analysis to measure by pressure, data on flows that the wireless communication mode between data acquisition dispensing device and the wireless data receiving and analyzing display device is gathered the same time, pipeline is directly shown than resistance is automatic, realized the online quick measurement of pipeline resistivity, convenient and swift; The present invention also have be convenient to install and use, be easy to carry, time saving and energy saving advantage, and only need the power-on switch, just can gather each point pressure, flow automatically, guaranteed the simultaneity of data recording.The resistivity of measuring can be a large amount of automatically be stored in the PLC programmable logic controller (PLC), avoid manual record, error is less, can also check the ratio resistance that in the past recorded at any time.
Description of drawings
Fig. 1 is the structural representation that embodiment one and embodiment two adopt the portable feedwater piping resistivity wireless automatic collecting measurement mechanism of four wireless pressure sensors;
Fig. 2 is the structural representation that embodiment three and embodiment four adopt the portable feedwater piping resistivity wireless automatic collecting measurement mechanism of three wireless pressure sensors.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1, the described portable feedwater piping resistivity wireless automatic collecting measurement mechanism of present embodiment, it comprises data acquisition dispensing device and wireless data receiving and analyzing display device, and the data acquisition dispensing device is arranged on the feedwater piping to be measured;
The data acquisition dispensing device comprises wireless flow sensor 5, first wireless pressure sensor 6, second wireless pressure sensor 7, the 3rd wireless pressure sensor 8 and the 4th wireless pressure sensor 9, tested feedwater piping has a hydrant at least, and two pipeline valves are set respectively about described hydrant, wireless flow sensor 5 is arranged on the hydrant interface of tested feedwater piping, first wireless pressure sensor 6, second wireless pressure sensor 7, the 3rd wireless pressure sensor 8 and the 4th wireless pressure sensor 9 are installed on four pipeline valves of tested feedwater piping successively, first wireless pressure sensor 6, second wireless pressure sensor 7, the difference place force value of the tested feedwater piping that the 3rd wireless pressure sensor 8 and the 4th wireless pressure sensor 9 will be gathered sends to wireless data receiving and analyzing display device; The flow value of water sends to wireless data receiving and analyzing display device in the tested feedwater piping that wireless flow sensor 5 will be gathered;
Wireless data receiving and analyzing display device comprises power supply 1, wireless telecommunications receiver module 2, PLC programmable logic controller (PLC) 3 and liquid crystal touch screen 4, power supply 1 is wireless telecommunications receiver module 2, PLC programmable logic controller (PLC) 3 and liquid crystal touch screen 4 power supplies, measurement start time and concluding time that liquid crystal touch screen 4 will be established are surely exported to PLC programmable logic controller (PLC) 3, PLC programmable logic controller (PLC) 3 will start sample command and the finish command send to the data acquisition dispensing device by wireless telecommunications receiver module 2 each sensor, wireless telecommunications receiver module 2 receives the force value information of the flow information and the difference of tested feedwater piping simultaneously, wireless telecommunications receiver module 2 sends to PLC programmable logic controller (PLC) 3 with the flow information of reception and the force value information of difference, and PLC programmable logic controller (PLC) 3 is exported showing at liquid crystal touch screen 4 than resistance K of tested feedwater piping according to the force value information of flow information that receives and difference.
The caliber unanimity of tested feedwater piping, support pipe free inserts, and length is less than 400 meters.
Referring to Fig. 1, on tested feedwater piping, install wireless flow sensor 5 is set, first wireless pressure sensor 6, second wireless pressure sensor 7, the 3rd wireless pressure sensor 8 and the 4th wireless pressure sensor 9, the wireless flow sensor is received on the interface of hydrant by the UPVC straight pipeline of caliber 100mm, the point of wireless flow sensor 5 correspondences is C, the point of first wireless pressure sensor, 6 correspondences is A, the point of second wireless pressure sensor, 7 correspondences is B, the point of the 3rd wireless pressure sensor 8 correspondences is D, the point of the 4th wireless pressure sensor 9 correspondences is E, the data acquisition dispensing device is with the each point valve or hydrant is rigid is connected, and does not destroy seal for pipe joints.Obtain by following formula calculating by PLC programmable logic controller (PLC) 3 than resistance K:
In the formula, H
1---the force value that A point first wireless pressure sensor 6 is measured, m;
H
2---the force value that B point second wireless pressure sensor 7 is measured, m;
H
3---the force value that D point the 3rd wireless pressure sensor 8 is measured, m;
H
4---the force value that E point the 4th wireless pressure sensor 9 is measured, m;
Q---the flow value of C point wireless flow sensor measurement, m
3/ s;
L
1---duct length between A point and the B point, m;
L
2---duct length between D point and the E point, m.
Working specification according to city planting ductwork, when the construction of feedwater piping, certain distance will be provided with a hydrant and a plurality of pipeline valve at interval, if will measure the ratio resistance of feedwater piping in the pipe network, then choose one section less than 400 meters, support pipe free inserts, and the feedwater piping that has a hydrant and four pipeline valves at least, wireless flow sensor 5 is arranged on the hydrant interface of tested feedwater piping, first wireless pressure sensor 6, second wireless pressure sensor 7, the 3rd wireless pressure sensor 8 and the 4th wireless pressure sensor 9 are installed on four pipeline valves of tested feedwater piping successively.After installing the data acquisition dispensing device, operating personnel stand near the C point, the wireless data receiving and analyzing display device of handheld portable feedwater piping resistivity wireless automatic collecting measurement mechanism begins to measure, on liquid crystal touch screen 4, adjust beginning and the concluding time of measurement, the wireless telecommunications receiver module will unify to accept the force value of each point sensor on the tested feedwater piping of same time, flow value, and with these force value, flow value is sent on the PLC programmable logic controller (PLC) 3, equation according to prior input, automatically measure the pipeline resistivity, and show by liquid crystal touch screen 4, simultaneously measurement result is stored in the PLC programmable logic controller (PLC) 3 automatically.Portable feedwater piping resistivity wireless automatic collecting measurement mechanism is each temporal pipeline resistivity of continuous coverage automatically, and stores these data automatically, measures when finishing, and liquid crystal touch screen 4 can prompting be measured end, and the power supply of turning off whole device gets final product.If want to check the data that record, can on liquid crystal touch screen 4, access the pipeline resistivity of certain time.
Portable feedwater piping resistivity wireless automatic collecting measurement mechanism of the present utility model carries out analysis to measure by pressure, data on flows that the wireless communication mode between data acquisition dispensing device and the wireless data receiving and analyzing display device is gathered the same time, pipeline is directly shown than resistance is automatic, realized the online quick measurement of pipeline resistivity, convenient and swift; The present invention also have be convenient to install and use, be easy to carry, time saving and energy saving advantage, and only need the power-on switch, just can gather each point pressure, flow automatically, guaranteed the simultaneity of data recording.The resistivity of measuring can be a large amount of automatically be stored in the PLC programmable logic controller (PLC), avoid manual record, error is less, can also check the ratio resistance that in the past recorded at any time.
Embodiment two: below in conjunction with Fig. 1 present embodiment is described, it comprises data acquisition dispensing device and wireless data receiving and analyzing display device, and the data acquisition dispensing device is arranged on the feedwater piping to be measured;
The data acquisition dispensing device comprises wireless flow sensor 5, first wireless pressure sensor 6, second wireless pressure sensor 7, the 3rd wireless pressure sensor 8 and the 4th wireless pressure sensor 9, tested feedwater piping has five hydrants at least, first wireless pressure sensor 6, second wireless pressure sensor 7, wireless flow sensor 5, the 3rd wireless pressure sensor 8 and the 4th wireless pressure sensor 9 are installed in five hydrant interfaces of tested feedwater piping, first wireless pressure sensor 6 successively, second wireless pressure sensor 7, the difference place force value of the tested feedwater piping that the 3rd wireless pressure sensor 8 and the 4th wireless pressure sensor 9 will be gathered sends to wireless data receiving and analyzing display device; The flow value of water sends to wireless data receiving and analyzing display device in the tested feedwater piping that wireless flow sensor 5 will be gathered;
Wireless data receiving and analyzing display device comprises power supply 1, wireless telecommunications receiver module 2, PLC programmable logic controller (PLC) 3 and liquid crystal touch screen 4, power supply 1 is wireless telecommunications receiver module 2, PLC programmable logic controller (PLC) 3 and liquid crystal touch screen 4 power supplies, measurement start time and concluding time that liquid crystal touch screen 4 will be established are surely exported to PLC programmable logic controller (PLC) 3, PLC programmable logic controller (PLC) 3 will start sample command and the finish command send to the data acquisition dispensing device by wireless telecommunications receiver module 2 each sensor, wireless telecommunications receiver module 2 receives the force value information of the flow information and the difference of tested feedwater piping simultaneously, wireless telecommunications receiver module 2 sends to PLC programmable logic controller (PLC) 3 with the flow information of reception and the force value information of difference, and PLC programmable logic controller (PLC) 3 is exported showing at liquid crystal touch screen 4 than resistance K of tested feedwater piping according to the force value information of flow information that receives and difference.
Referring to Fig. 1, on tested feedwater piping, install successively first wireless pressure sensor 6 is set, second wireless pressure sensor 7, wireless flow sensor 5, the 3rd wireless pressure sensor 8 and the 4th wireless pressure sensor 9, the wireless flow sensor is received on the interface of hydrant by the UPVC straight pipeline of caliber 100mm, the point of wireless flow sensor 5 correspondences is C, the point of first wireless pressure sensor, 6 correspondences is A, the point of second wireless pressure sensor, 7 correspondences is B, the point of the 3rd wireless pressure sensor 8 correspondences is D, the point of the 4th wireless pressure sensor 9 correspondences is E, the data acquisition dispensing device is connected with each hydrant is rigid, does not destroy seal for pipe joints.Obtain by following formula calculating by PLC programmable logic controller (PLC) 3 than resistance K:
In the formula, H
1---the force value that A point first wireless pressure sensor 6 is measured, m;
H
2---the force value that B point second wireless pressure sensor 7 is measured, m;
H
3---the force value that D point the 3rd wireless pressure sensor 8 is measured, m;
H
4---the force value that E point the 4th wireless pressure sensor 9 is measured, m;
Q---the flow value of C point wireless flow sensor measurement, m
3/ s;
L
1---duct length between A point and the B point, m;
L
2---duct length between D point and the E point, m.
Working specification according to city planting ductwork, when the construction of feedwater piping, certain distance will be provided with a hydrant and a plurality of pipeline valve at interval, if will measure the ratio resistance of feedwater piping in the pipe network, then choose one section less than 400 meters, support pipe free inserts, and the feedwater piping that has five hydrants at least, first wireless pressure sensor 6, second wireless pressure sensor 7, wireless flow sensor 5, the 3rd wireless pressure sensor 8 and the 4th wireless pressure sensor 9 are installed in the interface of five hydrants successively.After installing the data acquisition dispensing device, operating personnel stand near the C point, the wireless data receiving and analyzing display device of handheld portable feedwater piping resistivity wireless automatic collecting measurement mechanism begins to measure, on liquid crystal touch screen 4, adjust beginning and the concluding time of measurement, the wireless telecommunications receiver module will unify to accept the force value of each point sensor on the tested feedwater piping of same time, flow value, and with these force value, flow value is sent on the PLC programmable logic controller (PLC) 3, equation according to prior input, automatically measure the pipeline resistivity, and show by liquid crystal touch screen 4, simultaneously measurement result is stored in the PLC programmable logic controller (PLC) 3 automatically.Portable feedwater piping resistivity wireless automatic collecting measurement mechanism is each temporal pipeline resistivity of continuous coverage automatically, and stores these data automatically, measures when finishing, and liquid crystal touch screen 4 can prompting be measured end, and the power supply of turning off whole device gets final product.If want to check the data that record, can on liquid crystal touch screen 4, access the pipeline resistivity of certain time.
Embodiment three: present embodiment is described below in conjunction with Fig. 2, the described portable feedwater piping resistivity wireless automatic collecting measurement mechanism of present embodiment, it comprises data acquisition dispensing device and wireless data receiving and analyzing display device, and the data acquisition dispensing device is arranged on the feedwater piping to be measured;
The data acquisition dispensing device comprises wireless flow sensor 5, first wireless pressure sensor 6, second wireless pressure sensor 7 and the 3rd wireless pressure sensor 8, tested feedwater piping has three hydrants at least, the wireless flow sensor 5 and second wireless pressure sensor 7 all are arranged on the hydrant interface in the centre position of tested feedwater piping, first wireless pressure sensor 6 and the 3rd wireless pressure sensor 8 are installed in the hydrant interface of two side positions of tested feedwater piping, first wireless pressure sensor 6 respectively, the difference place force value of the tested feedwater piping that second wireless pressure sensor 7 and the 3rd wireless pressure sensor 8 will be gathered sends to wireless data receiving and analyzing display device; The flow value of water sends to wireless data receiving and analyzing display device in the tested feedwater piping that wireless flow sensor 5 will be gathered;
Wireless data receiving and analyzing display device comprises power supply 1, wireless telecommunications receiver module 2, PLC programmable logic controller (PLC) 3 and liquid crystal touch screen 4, power supply 1 is wireless telecommunications receiver module 2, PLC programmable logic controller (PLC) 3 and liquid crystal touch screen 4 power supplies, measurement start time and concluding time that liquid crystal touch screen 4 will be established are surely exported to PLC programmable logic controller (PLC) 3, PLC programmable logic controller (PLC) 3 will start sample command and the finish command send to the data acquisition dispensing device by wireless telecommunications receiver module 2 each sensor, wireless telecommunications receiver module 2 receives the force value information of the flow information and the difference of tested feedwater piping simultaneously, wireless telecommunications receiver module 2 sends to PLC programmable logic controller (PLC) 3 with the flow information of reception and the force value information of difference, and PLC programmable logic controller (PLC) 3 is exported showing at liquid crystal touch screen 4 than resistance K of tested feedwater piping according to the force value information of flow information that receives and difference.
The caliber unanimity of tested feedwater piping, support pipe free inserts, and length is less than 400 meters.
Referring to Fig. 2, on tested feedwater piping, install successively first wireless pressure sensor 6 is set, wireless flow sensor 5, second wireless pressure sensor 7 and the 3rd wireless pressure sensor 8, the wireless flow sensor is received on the interface of hydrant by the UPVC straight pipeline of caliber 100mm, the point of wireless flow sensor 5 correspondences is C, the point of first wireless pressure sensor, 6 correspondences is A, second wireless pressure sensor 7 also is installed in the hydrant place, corresponding point is C, the point of the 3rd wireless pressure sensor 8 correspondences is D, the data acquisition dispensing device is connected with each hydrant is rigid, does not destroy seal for pipe joints.Obtain by following formula calculating by PLC programmable logic controller (PLC) 3 than resistance K:
In the formula, H
1---the force value that A point first wireless pressure sensor 6 is measured, m;
H
2---the force value that C point second wireless pressure sensor 7 is measured, m;
H
3---the force value that D point the 3rd wireless pressure sensor 8 is measured, m;
Q---the flow value of C point wireless flow sensor measurement, m
3/ s;
L
1---duct length between A point and the C point, m;
L
2---duct length between C point and the D point, m.
Working specification according to city planting ductwork, when the construction of feedwater piping, certain distance will be provided with a hydrant and a plurality of pipeline valve at interval, if will measure the ratio resistance of feedwater piping in the pipe network, then choose one section less than 400 meters, support pipe free inserts, and the feedwater piping of at least three hydrants, wireless flow sensor 5 and second wireless pressure sensor 7 all are arranged on the hydrant interface in the centre position of tested feedwater piping, and first wireless pressure sensor 6 and the 3rd wireless pressure sensor 8 are installed in the hydrant interface of two side positions of tested feedwater piping respectively.After installing the data acquisition dispensing device, operating personnel stand near the C point, the wireless data receiving and analyzing display device of handheld portable feedwater piping resistivity wireless automatic collecting measurement mechanism begins to measure, on liquid crystal touch screen 4, adjust beginning and the concluding time of measurement, the wireless telecommunications receiver module will unify to accept the force value of each point sensor on the tested feedwater piping of same time, flow value, and with these force value, flow value is sent on the PLC programmable logic controller (PLC) 3, equation according to prior input, automatically measure the pipeline resistivity, and show by liquid crystal touch screen 4, simultaneously measurement result is stored in the PLC programmable logic controller (PLC) 3 automatically.Portable feedwater piping resistivity wireless automatic collecting measurement mechanism is each temporal pipeline resistivity of continuous coverage automatically, and stores these data automatically, measures when finishing, and liquid crystal touch screen 4 can prompting be measured end, and the power supply of turning off whole device gets final product.If want to check the data that record, can on liquid crystal touch screen 4, access the pipeline resistivity of certain time.
Portable feedwater piping resistivity wireless automatic collecting measurement mechanism of the present utility model carries out analysis to measure by pressure, data on flows that the wireless communication mode between data acquisition dispensing device and the wireless data receiving and analyzing display device is gathered the same time, pipeline is directly shown than resistance is automatic, realized the online quick measurement of pipeline resistivity, convenient and swift; The present invention also have be convenient to install and use, be easy to carry, time saving and energy saving advantage, and only need the power-on switch, just can gather each point pressure, flow automatically, guaranteed the simultaneity of data recording.The resistivity of measuring can be a large amount of automatically be stored in the PLC programmable logic controller (PLC), avoid manual record, error is less, can also check the ratio resistance that in the past recorded at any time.
Embodiment four: present embodiment is described below in conjunction with Fig. 2, the described portable feedwater piping resistivity wireless automatic collecting measurement mechanism of present embodiment, it comprises data acquisition dispensing device and wireless data receiving and analyzing display device, and the data acquisition dispensing device is arranged on the feedwater piping to be measured;
The data acquisition dispensing device comprises wireless flow sensor 5, first wireless pressure sensor 6, second wireless pressure sensor 7 and the 3rd wireless pressure sensor 8, tested feedwater piping has a hydrant at least, and a pipeline valve is set respectively about described hydrant, the wireless flow sensor 5 and second wireless pressure sensor 7 all are arranged on the hydrant interface of tested feedwater piping, first wireless pressure sensor 6 and the 3rd wireless pressure sensor 8 are installed in respectively on two pipeline valves of tested feedwater piping, first wireless pressure sensor 6, the difference place force value of the tested feedwater piping that second wireless pressure sensor 7 and the 3rd wireless pressure sensor 8 will be gathered sends to wireless data receiving and analyzing display device; The flow value of water sends to wireless data receiving and analyzing display device in the tested feedwater piping that wireless flow sensor 5 will be gathered;
Wireless data receiving and analyzing display device comprises power supply 1, wireless telecommunications receiver module 2, PLC programmable logic controller (PLC) 3 and liquid crystal touch screen 4, power supply 1 is wireless telecommunications receiver module 2, PLC programmable logic controller (PLC) 3 and liquid crystal touch screen 4 power supplies, measurement start time and concluding time that liquid crystal touch screen 4 will be established are surely exported to PLC programmable logic controller (PLC) 3, PLC programmable logic controller (PLC) 3 will start sample command and the finish command send to the data acquisition dispensing device by wireless telecommunications receiver module 2 each sensor, wireless telecommunications receiver module 2 receives the force value information of the flow information and the difference of tested feedwater piping simultaneously, wireless telecommunications receiver module 2 sends to PLC programmable logic controller (PLC) 3 with the flow information of reception and the force value information of difference, and PLC programmable logic controller (PLC) 3 is exported showing at liquid crystal touch screen 4 than resistance K of tested feedwater piping according to the force value information of flow information that receives and difference.
The caliber unanimity of tested feedwater piping, support pipe free inserts, and length is less than 400 meters.
Referring to Fig. 2, on tested feedwater piping, install first wireless pressure sensor 6 is set, wireless flow sensor 5, second wireless pressure sensor 7 and the 3rd wireless pressure sensor 8, the wireless flow sensor is received on the interface of hydrant by the UPVC straight pipeline of caliber 100mm, the point of wireless flow sensor 5 correspondences is C, the point of first wireless pressure sensor, 6 correspondences is A, second wireless pressure sensor 7 also is installed in the hydrant place, corresponding point is C, the point of the 3rd wireless pressure sensor 8 correspondences is D, the data acquisition dispensing device is with the each point valve or hydrant is rigid is connected, and does not destroy seal for pipe joints.Obtain by following formula calculating by PLC programmable logic controller (PLC) 3 than resistance K:
In the formula, H
1---the force value that A point first wireless pressure sensor 6 is measured, m;
H
2---the force value that C point second wireless pressure sensor 7 is measured, m;
H
3---the force value that D point the 3rd wireless pressure sensor 8 is measured, m;
Q---the flow value of C point wireless flow sensor measurement, m
3/ s;
L
1---duct length between A point and the C point, m;
L
2---duct length between C point and the D point, m.
Working specification according to city planting ductwork, when the construction of feedwater piping, certain distance will be provided with a hydrant and a plurality of pipeline valve at interval, if will measure the ratio resistance of feedwater piping in the pipe network, then choose one section less than 400 meters, support pipe free inserts, and the feedwater piping that has a hydrant and two pipeline valves at least, wireless flow sensor 5 and second wireless pressure sensor 7 all are arranged on the hydrant interface of tested feedwater piping, and first wireless pressure sensor 6 and the 3rd wireless pressure sensor 8 are installed in respectively on two pipeline valves of tested feedwater piping.After installing the data acquisition dispensing device, operating personnel stand near the C point, the wireless data receiving and analyzing display device of handheld portable feedwater piping resistivity wireless automatic collecting measurement mechanism begins to measure, on liquid crystal touch screen 4, adjust beginning and the concluding time of measurement, the wireless telecommunications receiver module will unify to accept the force value of each point sensor on the tested feedwater piping of same time, flow value, and with these force value, flow value is sent on the PLC programmable logic controller (PLC) 3, equation according to prior input, automatically measure the pipeline resistivity, and show by liquid crystal touch screen 4, simultaneously measurement result is stored in the PLC programmable logic controller (PLC) 3 automatically.Portable feedwater piping resistivity wireless automatic collecting measurement mechanism is each temporal pipeline resistivity of continuous coverage automatically, and stores these data automatically, measures when finishing, and liquid crystal touch screen 4 can prompting be measured end, and the power supply of turning off whole device gets final product.If want to check the data that record, can on liquid crystal touch screen 4, access the pipeline resistivity of certain time.
Portable feedwater piping resistivity wireless automatic collecting measurement mechanism of the present utility model carries out analysis to measure by pressure, data on flows that the wireless communication mode between data acquisition dispensing device and the wireless data receiving and analyzing display device is gathered the same time, pipeline is directly shown than resistance is automatic, realized the online quick measurement of pipeline resistivity, convenient and swift; The present invention also have be convenient to install and use, be easy to carry, time saving and energy saving advantage, and only need the power-on switch, just can gather each point pressure, flow automatically, guaranteed the simultaneity of data recording.The resistivity of measuring can be a large amount of automatically be stored in the PLC programmable logic controller (PLC), avoid manual record, error is less, can also check the ratio resistance that in the past recorded at any time.
Claims (8)
1. portable feedwater piping resistivity wireless automatic collecting measurement mechanism is characterized in that it comprises data acquisition dispensing device and wireless data receiving and analyzing display device, and the data acquisition dispensing device is arranged on the feedwater piping to be measured;
The data acquisition dispensing device comprises wireless flow sensor (5), first wireless pressure sensor (6), second wireless pressure sensor (7), the 3rd wireless pressure sensor (8) and the 4th wireless pressure sensor (9), tested feedwater piping has a hydrant at least, and two pipeline valves are set respectively about described hydrant, wireless flow sensor (5) is arranged on the hydrant interface of tested feedwater piping, first wireless pressure sensor (6), second wireless pressure sensor (7), the 3rd wireless pressure sensor (8) and the 4th wireless pressure sensor (9) are installed on four pipeline valves of tested feedwater piping successively, first wireless pressure sensor (6), second wireless pressure sensor (7), the difference place force value of the tested feedwater piping that the 3rd wireless pressure sensor (8) and the 4th wireless pressure sensor (9) will be gathered sends to wireless data receiving and analyzing display device; The flow value of water sends to wireless data receiving and analyzing display device in the tested feedwater piping that wireless flow sensor (5) will be gathered;
Wireless data receiving and analyzing display device comprises power supply (1), wireless telecommunications receiver module (2), PLC programmable logic controller (PLC) (3) and liquid crystal touch screen (4), power supply (1) is a wireless telecommunications receiver module (2), PLC programmable logic controller (PLC) (3) and liquid crystal touch screen (4) power supply, measurement start time that liquid crystal touch screen (4) will be established surely and concluding time are exported to PLC programmable logic controller (PLC) (3), PLC programmable logic controller (PLC) (3) will start sample command and the finish command send to the data acquisition dispensing device by wireless telecommunications receiver module (2) each sensor, wireless telecommunications receiver module (2) receives the force value information of the flow information and the difference of tested feedwater piping simultaneously, wireless telecommunications receiver module (2) sends to PLC programmable logic controller (PLC) (3) with the flow information of reception and the force value information of difference, and PLC programmable logic controller (PLC) (3) is exported showing at liquid crystal touch screen (4) than resistance K of tested feedwater piping according to the flow information that receives and the force value information of difference.
2. portable feedwater piping resistivity wireless automatic collecting measurement mechanism according to claim 1 is characterized in that, the caliber unanimity of tested feedwater piping, and support pipe free inserts, and length is less than 400 meters.
3. portable feedwater piping resistivity wireless automatic collecting measurement mechanism is characterized in that it comprises data acquisition dispensing device and wireless data receiving and analyzing display device, and the data acquisition dispensing device is arranged on the feedwater piping to be measured;
The data acquisition dispensing device comprises wireless flow sensor (5), first wireless pressure sensor (6), second wireless pressure sensor (7), the 3rd wireless pressure sensor (8) and the 4th wireless pressure sensor (9), tested feedwater piping has five hydrants at least, first wireless pressure sensor (6), second wireless pressure sensor (7), wireless flow sensor (5), the 3rd wireless pressure sensor (8) and the 4th wireless pressure sensor (9) are installed in five hydrant interfaces of tested feedwater piping, first wireless pressure sensor (6) successively, second wireless pressure sensor (7), the difference place force value of the tested feedwater piping that the 3rd wireless pressure sensor (8) and the 4th wireless pressure sensor (9) will be gathered sends to wireless data receiving and analyzing display device; The flow value of water sends to wireless data receiving and analyzing display device in the tested feedwater piping that wireless flow sensor (5) will be gathered;
Wireless data receiving and analyzing display device comprises power supply (1), wireless telecommunications receiver module (2), PLC programmable logic controller (PLC) (3) and liquid crystal touch screen (4), power supply (1) is a wireless telecommunications receiver module (2), PLC programmable logic controller (PLC) (3) and liquid crystal touch screen (4) power supply, measurement start time that liquid crystal touch screen (4) will be established surely and concluding time are exported to PLC programmable logic controller (PLC) (3), PLC programmable logic controller (PLC) (3) will start sample command and the finish command send to the data acquisition dispensing device by wireless telecommunications receiver module (2) each sensor, wireless telecommunications receiver module (2) receives the force value information of the flow information and the difference of tested feedwater piping simultaneously, wireless telecommunications receiver module (2) sends to PLC programmable logic controller (PLC) (3) with the flow information of reception and the force value information of difference, and PLC programmable logic controller (PLC) (3) is exported showing at liquid crystal touch screen (4) than resistance K of tested feedwater piping according to the flow information that receives and the force value information of difference.
4. portable feedwater piping resistivity wireless automatic collecting measurement mechanism according to claim 3 is characterized in that, the caliber unanimity of tested feedwater piping, and support pipe free inserts, and length is less than 400 meters.
5. portable feedwater piping resistivity wireless automatic collecting measurement mechanism is characterized in that it comprises data acquisition dispensing device and wireless data receiving and analyzing display device, and the data acquisition dispensing device is arranged on the feedwater piping to be measured;
The data acquisition dispensing device comprises wireless flow sensor (5), first wireless pressure sensor (6), second wireless pressure sensor (7) and the 3rd wireless pressure sensor (8), tested feedwater piping has three hydrants at least, wireless flow sensor (5) and second wireless pressure sensor (7) all are arranged on the hydrant interface in the centre position of tested feedwater piping, first wireless pressure sensor (6) and the 3rd wireless pressure sensor (8) are installed in the hydrant interface of two side positions of tested feedwater piping, first wireless pressure sensor (6) respectively, the difference place force value of the tested feedwater piping that second wireless pressure sensor (7) and the 3rd wireless pressure sensor (8) will be gathered sends to wireless data receiving and analyzing display device; The flow value of water sends to wireless data receiving and analyzing display device in the tested feedwater piping that wireless flow sensor (5) will be gathered;
Wireless data receiving and analyzing display device comprises power supply (1), wireless telecommunications receiver module (2), PLC programmable logic controller (PLC) (3) and liquid crystal touch screen (4), power supply (1) is a wireless telecommunications receiver module (2), PLC programmable logic controller (PLC) (3) and liquid crystal touch screen (4) power supply, measurement start time that liquid crystal touch screen (4) will be established surely and concluding time are exported to PLC programmable logic controller (PLC) (3), PLC programmable logic controller (PLC) (3) will start sample command and the finish command send to the data acquisition dispensing device by wireless telecommunications receiver module (2) each sensor, wireless telecommunications receiver module (2) receives the force value information of the flow information and the difference of tested feedwater piping simultaneously, wireless telecommunications receiver module (2) sends to PLC programmable logic controller (PLC) (3) with the flow information of reception and the force value information of difference, and PLC programmable logic controller (PLC) (3) is exported showing at liquid crystal touch screen (4) than resistance K of tested feedwater piping according to the flow information that receives and the force value information of difference.
6. portable feedwater piping resistivity wireless automatic collecting measurement mechanism according to claim 5 is characterized in that, the caliber unanimity of tested feedwater piping, and support pipe free inserts, and length is less than 400 meters.
7. portable feedwater piping resistivity wireless automatic collecting measurement mechanism is characterized in that it comprises data acquisition dispensing device and wireless data receiving and analyzing display device, and the data acquisition dispensing device is arranged on the feedwater piping to be measured;
The data acquisition dispensing device comprises wireless flow sensor (5), first wireless pressure sensor (6), second wireless pressure sensor (7) and the 3rd wireless pressure sensor (8), tested feedwater piping has a hydrant at least, and a pipeline valve is set respectively about described hydrant, wireless flow sensor (5) and second wireless pressure sensor (7) all are arranged on the hydrant interface of tested feedwater piping, first wireless pressure sensor (6) and the 3rd wireless pressure sensor (8) are installed in respectively on two pipeline valves of tested feedwater piping, first wireless pressure sensor (6), the difference place force value of the tested feedwater piping that second wireless pressure sensor (7) and the 3rd wireless pressure sensor (8) will be gathered sends to wireless data receiving and analyzing display device; The flow value of water sends to wireless data receiving and analyzing display device in the tested feedwater piping that wireless flow sensor (5) will be gathered;
Wireless data receiving and analyzing display device comprises power supply (1), wireless telecommunications receiver module (2), PLC programmable logic controller (PLC) (3) and liquid crystal touch screen (4), power supply (1) is a wireless telecommunications receiver module (2), PLC programmable logic controller (PLC) (3) and liquid crystal touch screen (4) power supply, measurement start time that liquid crystal touch screen (4) will be established surely and concluding time are exported to PLC programmable logic controller (PLC) (3), PLC programmable logic controller (PLC) (3) will start sample command and the finish command send to the data acquisition dispensing device by wireless telecommunications receiver module (2) each sensor, wireless telecommunications receiver module (2) receives the force value information of the flow information and the difference of tested feedwater piping simultaneously, wireless telecommunications receiver module (2) sends to PLC programmable logic controller (PLC) (3) with the flow information of reception and the force value information of difference, and PLC programmable logic controller (PLC) (3) is exported showing at liquid crystal touch screen (4) than resistance K of tested feedwater piping according to the flow information that receives and the force value information of difference.
8. portable feedwater piping resistivity wireless automatic collecting measurement mechanism according to claim 7 is characterized in that, the caliber unanimity of tested feedwater piping, and support pipe free inserts, and length is less than 400 meters.
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| CN2011201310632U CN202041217U (en) | 2011-04-28 | 2011-04-28 | Portable device for wirelessly and automatically acquiring and measuring specific resistance of water supply pipeline |
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| CN2011201310632U CN202041217U (en) | 2011-04-28 | 2011-04-28 | Portable device for wirelessly and automatically acquiring and measuring specific resistance of water supply pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944351A (en) * | 2012-12-04 | 2013-02-27 | 河北工业大学 | Method for detecting oil film pressure in floating-ring bearing |
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2011
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944351A (en) * | 2012-12-04 | 2013-02-27 | 河北工业大学 | Method for detecting oil film pressure in floating-ring bearing |
| CN102944351B (en) * | 2012-12-04 | 2015-05-06 | 河北工业大学 | Method for detecting oil film pressure in floating-ring bearing |
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