CN101989092A - Wireless control system and method for multipoint prestress synergic tensioning - Google Patents

Wireless control system and method for multipoint prestress synergic tensioning Download PDF

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Publication number
CN101989092A
CN101989092A CN2009100557654A CN200910055765A CN101989092A CN 101989092 A CN101989092 A CN 101989092A CN 2009100557654 A CN2009100557654 A CN 2009100557654A CN 200910055765 A CN200910055765 A CN 200910055765A CN 101989092 A CN101989092 A CN 101989092A
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China
Prior art keywords
stretch
draw
control computer
data
value
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CN2009100557654A
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Chinese (zh)
Inventor
肖绪文
吕艳萍
刘广文
韦永斌
王玉岭
王桂玲
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China Construction Eighth Engineering Division Co Ltd
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China Construction Eighth Engineering Division Co Ltd
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Priority to CN2009100557654A priority Critical patent/CN101989092A/en
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Abstract

The invention discloses a wireless control system for multipoint prestress synergic tensioning, comprising a plurality of tensioning control computers, prestress tensioning equipment matched with the tensioning control computers and a central control computer. The central control computer and the plurality of tensioning control computers are respectively provided with a wireless emission receiving unit which is used for receiving prestress tensioning values transmitted by the tensioning control computers in real time and feeding back prestress tensioning control instructions. The invention realizes the full-automatic control of the multipoint prestress tensioning in a wireless control mode by using the central control computer.

Description

Collaborative stretch-draw control system of a kind of wireless multipoint prestress and method
Technical field
The present invention relates to the prestressed stretch-draw field, collaborative stretch-draw control system of particularly a kind of wireless multipoint prestress and method.
Background technology
In actual production, prestressed stretch-draw refers in member the afterburning in advance suffered load of steel construction of dealing with itself, and suffered load comprises the load, wind load, snow load, seismic loading of roofing own wt etc.Before member bears external load, the tension concrete is applied compressive pre-stress, can improve the rigidity of member, postpone the time that the crack occurs, increase the permanance of member.General prestressed stretch-draw will be used lifting jack, anchor slab etc.
In the present prestressed stretch-draw, during the multiple spot prestressed stretch-draw, mainly be particularly manually to control, by manually the stretch-draw situation of each point being monitored.Specifically be to adopt many stretch-draw machineries, transmit the mode of information with intercom, by the reading of stretch-draw personnel according to the pressure fuel pump table, contrast corresponding value of thrust, judge whether to reach stretching force, then, notify other staff with intercom, stretch-draw does not at this moment stop, so be difficult to accomplish the assurance of real-time information feedback, also just can go wrong unavoidably, efficient also can be very low.
As seen from the above, pressing for provides a kind of new wireless multipoint prestress to work in coordination with the technical scheme of stretch-draw, considers the execute-in-place environmental limit, and it adopts the software control of computing machine, realizes the full automatic relevant prestressed stretch-draw of finishing by controlled in wireless.
Summary of the invention
The purpose of this invention is to provide collaborative stretch-draw control system of a kind of wireless multipoint prestress and method, can full automaticly finish the multiple spot prestressed stretch-draw in the engineering.
On the one hand, the invention provides the collaborative stretch-draw control system of a kind of wireless multipoint prestress, comprise that some stretch-draw control computer reach and the prestress tensioning equipment of its coupling, described stretch-draw control computer is carried out prestressed stretch-draw in order to the prestress tensioning equipment of control and its coupling, and receive the prestressed stretch-draw value that described prestress tensioning equipment is gathered in real time, described control system also comprises a central control computer, described central control computer and described some stretch-draw control computer all dispose a wireless transmit receiving element and carry out exchanges data by it, described central control computer receives the prestressed stretch-draw value that described some stretch-draw control computer transmit in real time by described wireless transmit receiving element, and feedback prestressed stretch-draw steering order.
Described prestress tensioning equipment comprises the displacement transducer that connects successively, lifting jack, solenoid valve, oil pump, hydraulic pressure transducer, described displacement transducer one end connects the presstressed reinforcing steel with member coupling to be tensioned, the other end connects the movable end of described lifting jack, the oil cylinder of described lifting jack connects described oil pump by described solenoid valve, described hydraulic pressure transducer is arranged on the described oil pump, described prestress tensioning equipment also comprises the data collecting card that is connected with described stretch-draw control computer, described data collecting card connects described displacement transducer respectively, solenoid valve and hydraulic pressure transducer, described stretch-draw control computer are controlled described data collecting card and are carried out data acquisition and signal transmission and the data of gathering are analyzed and shown.
Described stretch-draw control computer comprises module and control module is set, the described module that is provided with is in order to be provided with the stretching force controlling value of described member to be tensioned, described control module is carried out data acquisition and signal transmission in order to control described data collecting card, and cooperates described value of setting that module is set the data of gathering are analyzed and to be shown.
Described wireless transmit receiving element comprises a wireless singlechip chip and a peripheral circuit thereof, and perhaps, described wireless transmit receiving element is the digital transmission module of finished product.
Described wireless transmit receiving element is connected with the stretch-draw control computer with described central control computer by any interface in RS232 interface, RS485 interface, the USB interface.
On the other hand, the present invention also provides a kind of wireless multipoint prestress based on the above system collaborative stretching control method, may further comprise the steps:
6.1, described central control computer sends the stretch-draw instruction to described some stretch-draw control computer;
6.2, described some stretch-draw control computer control the prestressed stretch-draw value that described prestress tensioning equipment carries out stretch-draw and receives in real time its collection, send the prestressed stretch-draw value to described central control computer by described wireless transmit receiving element;
6.3, described central control computer judges that prestressed stretch-draw value that described some stretch-draw control computer transmit is whether identical or is in the predetermined difference, if then change step 6.5, then changes step 6.4 if not;
6.4, central control computer sends to the big stretch-draw control computer of described prestressed stretch-draw value and suspends the stretch-draw instruction, send to the little stretch-draw control computer of described prestressed stretch-draw value simultaneously and continue the stretch-draw instruction;
6.5, judge whether described prestressed stretch-draw value reaches predetermined stretching force controlling value, is then shut-down operation, otherwise change step 6.2.
Described step 6.2 specifically may further comprise the steps:
6.2.1, with what the stretching force controlling value of described member to be tensioned was imported described stretch-draw control computer module and storage be set;
6.2.2, open oil pump and drive described jack tension, described stretch-draw control computer is controlled described data collecting card and is gathered displacement and hydraulic data by described displacement transducer and hydraulic pressure transducer, and described hydraulic data is imported the linear regression formula of demarcation of described lifting jack and exported the stretching force data;
6.2.3, judge whether the stretching force data of described step 6.2.2 output reach the member stretching force controlling value of described step 6.2.1 input, if then change next step, then change step 6.2.2 if not and control described oil pump pressurization;
6.2.4, the stretching force data of the displacement data of displacement transducer collection record this moment and step 6.2.2 output and export described central control computer to and show, send shutdown signal and stop associative operation to described solenoid valve simultaneously.
Described wireless transmit receiving element comprises a wireless singlechip chip and a peripheral circuit thereof, and perhaps, described wireless transmit receiving element is the digital transmission module of finished product.
Described wireless transmit receiving element is connected with the stretch-draw control computer with described central control computer by any interface in RS232 interface, RS485 interface, the USB interface.
Adopt a kind of wireless multipoint prestress of the present invention to work in coordination with the stretch-draw control system, comprise that some stretch-draw control computer reach and the prestress tensioning equipment of its coupling, also comprise a central control computer, described central control computer and described some stretch-draw control computer all dispose a wireless transmit receiving element, receive the prestressed stretch-draw value that described some stretch-draw control computer transmit in real time by described wireless transmit receiving element, and feedback prestressed stretch-draw steering order.The present invention utilizes a central control computer by the mode of controlled in wireless, has realized the Automatic Control of multiple spot prestressed stretch-draw.
Description of drawings
Fig. 1 is the structural drawing of system of the present invention;
Fig. 2 is the prestress tensioning equipment structural drawing in the system of the present invention;
Fig. 3 is the process flow diagram of the method for the invention;
Fig. 4 is the control flow chart of the stretch-draw control computer in the method for the invention.
Embodiment
Further specify technical scheme of the present invention below in conjunction with drawings and Examples.
Referring to Fig. 1 and Fig. 2, the invention provides the collaborative stretch-draw control system 100 of a kind of wireless multipoint prestress, comprise that some stretch-draw control computer 12 reach and the prestress tensioning equipment 200 of its coupling (can have N in theory), described stretch-draw control computer 12 is carried out prestressed stretch-draw in order to the prestress tensioning equipment 200 of control and its coupling, and receive the prestressed stretch-draw value that described prestress tensioning equipment 200 is gathered in real time, described control system also comprises a central control computer 101, described central control computer 101 all disposes a wireless transmit receiving element 104 and carries out exchanges data by it with described some stretch-draw control computer 12, described central control computer 101 receives the prestressed stretch-draw value that described some stretch-draw control computer 12 transmit in real time by described wireless transmit receiving element 104, and feedback prestressed stretch-draw steering order.As an embodiment, described wireless transmit receiving element 104 comprises a wireless singlechip chip and a peripheral circuit thereof, and perhaps, described wireless transmit receiving element 104 also can be the digital transmission module of finished product.Described wireless transmit receiving element 104 is connected with stretch-draw control computer 12 with described central control computer 101 by any interface in RS232 interface, RS485 interface, the USB interface.
Referring to Fig. 2, described prestress tensioning equipment 200, comprise the displacement transducer 3 that connects successively, lifting jack 4, oil pipe 5, solenoid valve 6, oil pump 7, hydraulic pressure transducer 9, tensimeter 8 and power switch 10, described displacement transducer 3 one ends connect the presstressed reinforcing steel 2 with member 1 coupling to be tensioned, the other end connects the movable end of described lifting jack 4, the oil cylinder of described lifting jack 4 connects described oil pump 7 by described solenoid valve 6, described hydraulic pressure transducer 9 is arranged on the described oil pump 7, also comprise the data collecting card 11 that is connected with stretch-draw control computer 12, described data collecting card 11 connects described displacement transducer 3 respectively, solenoid valve 6 and hydraulic pressure transducer 9, the described data collecting card 11 of described stretch-draw control computer 12 controls carry out data acquisition and signal transmission and the data of gathering are analyzed and shown.Described stretch-draw control computer 12 further comprises module and control module (two modules are the software that is loaded in the computing machine) is set, the described module that is provided with is in order to be provided with the stretching force controlling value of described member 1 to be tensioned, described control module is carried out data acquisition and signal transmission in order to control described data collecting card 11, and cooperates described value of setting that module is set the data of gathering are analyzed and to be shown.Specifically, control module control bit displacement sensor 3, hydraulic pressure transducer 9, solenoid valve 6 and oil pump 7 carry out relevant action.As an embodiment, the quantity of described solenoid valve 6 is two, the oil cylinder of described lifting jack 4 connects an end of described two solenoid valves 6 by oil pipe, and the other end of described two solenoid valves 6 connects described oil pump 7, and the control end of described two solenoid valves 6 connects described data collecting card 11.
Referring to Fig. 3, the present invention also provides a kind of wireless multipoint prestress to work in coordination with stretching control method 300, and it is realized based on above-mentioned control system 100, may further comprise the steps:
301, described central control computer 101 sends the stretch-draw instruction to described some stretch-draw control computer 12.
302, stretch-draw control computer 12 is sent to the prestressed stretch-draw value described central control computer 101 in real time.
The described prestress tensioning equipment 103 of described some stretch-draw control computer 12 controls carries out stretch-draw and receives the prestressed stretch-draw value of its collection in real time, sends the prestressed stretch-draw value to described central control computer 101 by described wireless transmit receiving element 104.
303, judge that prestressed stretch-draw value that described some stretch-draw control computer 12 transmit is whether identical or be in the predetermined difference.
Whether the prestressed stretch-draw value that the described some stretch-draw control computer 12 of judging described central control computer 101 transmit is identical or be in the predetermined difference, if then change step 305, then changes step 304 if not.
304, central control computer 101 sends the order of adjusting described prestressed stretch-draw value size.
Central control computer 101 sends to the big stretch-draw control computer 12 of described prestressed stretch-draw value and suspends the stretch-draw instruction, sends to the little stretch-draw control computer 12 of described prestressed stretch-draw value simultaneously and continues the stretch-draw instruction.
305, judge whether described prestressed stretch-draw value reaches predetermined stretching force controlling value, is then shut-down operation, otherwise change step 302.
Referring to Fig. 4, Fig. 4 is the control flow 400 of stretch-draw control computer 12, also can regard the concrete steps of described step 302 as:
401, to the stretching force controlling value of the described member 1 to be tensioned of stretch-draw control computer 12 input.
With what the stretching force controlling value of described member 1 to be tensioned was imported described stretch-draw control computer 12 module and storage be set.
402, system power-up and open oil pump 7.
When oil pump 7 was opened, the described data collecting card 11 of described stretch-draw control computer 12 controls was opened described solenoid valve 6, and described oil pump 7 is described lifting jack 4 fuel feeding by solenoid valve 6.
403, oil pump 7 drives lifting jack 4 stretch-draw, and stretch-draw control computer 12 receives image data and exports lifting jack 4 stretching force data.
Oil pump 7 drives described lifting jack 4 stretch-draw, the described data collecting card 11 of described stretch-draw control computer 12 controls is gathered displacement and hydraulic data by described displacement transducer 3 and hydraulic pressure transducer 9, and described hydraulic data is imported the linear regression formula of demarcation of described lifting jack 4 and exported the stretching force data.
404, whether the stretching force data of step arrive the stretching force controlling value of step 401 in the judgement.
Judge that whether the stretching force data of described step 403 output reach the member 1 stretching force controlling value of described step 401 input, if then change step 406, then change step 405 if not.
405, judge whether the oil pressure data of gathering are normal, if normally then change step 403 and control described oil pump 7 pressurizations, if the undesired step 406 of then changeing.
406, record this moment displacement data and stretching force data and transmit it to central control computer 101, and stop associative operation.
The displacement data that record displacement transducer this moment 3 is gathered and the stretching force data of step 403 output also show on described central control computer 101, send shutdown signal and stop associative operation to described solenoid valve 6 simultaneously.
As an embodiment, in described control method, described wireless transmit receiving element 104 comprises a wireless singlechip chip and a peripheral circuit thereof, and perhaps, described wireless transmit receiving element 104 also can be the digital transmission module of finished product.Described wireless transmit receiving element 104 is connected with stretch-draw control computer 12 with described central control computer 101 by any interface in RS232 interface, RS485 interface, the USB interface.
It is to be noted, the collaborative stretching control method 300 of a kind of wireless multipoint prestress of the present invention is identical or similar on principle and embodiment with the collaborative stretch-draw control system 100 of a kind of wireless multipoint prestress of the present invention, so repeating part repeats no more.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of above embodiment.

Claims (9)

1. a wireless multipoint prestress is worked in coordination with the stretch-draw control system, comprise that some stretch-draw control computer reach and the prestress tensioning equipment of its coupling, described stretch-draw control computer is carried out prestressed stretch-draw in order to the prestress tensioning equipment of control and its coupling, and receive the prestressed stretch-draw value that described prestress tensioning equipment is gathered in real time, it is characterized in that, described control system also comprises a central control computer, described central control computer and described some stretch-draw control computer all dispose a wireless transmit receiving element and carry out exchanges data by it, described central control computer receives the prestressed stretch-draw value that described some stretch-draw control computer transmit in real time by described wireless transmit receiving element, and feedback prestressed stretch-draw steering order.
2. control system as claimed in claim 1, it is characterized in that, described prestress tensioning equipment comprises the displacement transducer that connects successively, lifting jack, solenoid valve, oil pump, hydraulic pressure transducer, described displacement transducer one end connects the presstressed reinforcing steel with member coupling to be tensioned, the other end connects the movable end of described lifting jack, the oil cylinder of described lifting jack connects described oil pump by described solenoid valve, described hydraulic pressure transducer is arranged on the described oil pump, described prestress tensioning equipment also comprises the data collecting card that is connected with described stretch-draw control computer, described data collecting card connects described displacement transducer respectively, solenoid valve and hydraulic pressure transducer, described stretch-draw control computer are controlled described data collecting card and are carried out data acquisition and signal transmission and the data of gathering are analyzed and shown.
3. control system as claimed in claim 2, it is characterized in that, described stretch-draw control computer comprises module and control module is set, the described module that is provided with is in order to be provided with the stretching force controlling value of described member to be tensioned, described control module is carried out data acquisition and signal transmission in order to control described data collecting card, and cooperates described value of setting that module is set the data of gathering are analyzed and to be shown.
4. control system as claimed in claim 3 is characterized in that, described wireless transmit receiving element comprises a wireless singlechip chip and a peripheral circuit thereof, and perhaps, described wireless transmit receiving element is the digital transmission module of finished product.
5. control system as claimed in claim 4 is characterized in that, described wireless transmit receiving element is connected with the stretch-draw control computer with described central control computer by any interface in RS232 interface, RS485 interface, the USB interface.
6. the collaborative stretching control method of the wireless multipoint prestress based on the described system of claim 3 is characterized in that, may further comprise the steps:
6.1, described central control computer sends the stretch-draw instruction to described some stretch-draw control computer;
6.2, described some stretch-draw control computer control the prestressed stretch-draw value that described prestress tensioning equipment carries out stretch-draw and receives in real time its collection, send the prestressed stretch-draw value to described central control computer by described wireless transmit receiving element;
6.3, described central control computer judges that prestressed stretch-draw value that described some stretch-draw control computer transmit is whether identical or is in the predetermined difference, if then change step 6.5, then changes step 6.4 if not;
6.4, central control computer sends to the big stretch-draw control computer of described prestressed stretch-draw value and suspends the stretch-draw instruction, send to the little stretch-draw control computer of described prestressed stretch-draw value simultaneously and continue the stretch-draw instruction;
6.5, judge whether described prestressed stretch-draw value reaches predetermined stretching force controlling value, is then shut-down operation, otherwise change step 6.2.
7. control method as claimed in claim 6 is characterized in that, described step 6.2 specifically may further comprise the steps:
6.2.1, with what the stretching force controlling value of described member to be tensioned was imported described stretch-draw control computer module and storage be set;
6.2.2, open oil pump and drive described jack tension, described stretch-draw control computer is controlled described data collecting card and is gathered displacement and hydraulic data by described displacement transducer and hydraulic pressure transducer, and described hydraulic data is imported the linear regression formula of demarcation of described lifting jack and exported the stretching force data;
6.2.3, judge whether the stretching force data of described step 6.2.2 output reach the member stretching force controlling value of described step 6.2.1 input, if then change next step, then change step 6.2.2 if not and control described oil pump pressurization;
6.2.4, the stretching force data of the displacement data of displacement transducer collection record this moment and step 6.2.2 output and export described central control computer to and show, send shutdown signal and stop associative operation to described solenoid valve simultaneously.
8. control method as claimed in claim 7 is characterized in that, described wireless transmit receiving element comprises a wireless singlechip chip and a peripheral circuit thereof, and perhaps, described wireless transmit receiving element is the digital transmission module of finished product.
9. control method as claimed in claim 8 is characterized in that, described wireless transmit receiving element is connected with the stretch-draw control computer with described central control computer by any interface in RS232 interface, RS485 interface, the USB interface.
CN2009100557654A 2009-07-31 2009-07-31 Wireless control system and method for multipoint prestress synergic tensioning Pending CN101989092A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102296826A (en) * 2011-06-08 2011-12-28 重庆大学 Dual-pressure sensor rising and tensioning method of steel stranded wire stay rope
CN103774850A (en) * 2014-02-12 2014-05-07 湖南聚创建筑科技有限公司 Wireless intelligent force application system
CN104965533A (en) * 2015-04-27 2015-10-07 同济大学 Pre-stress single-end single-jack intelligent tensioning control system
CN113589735A (en) * 2021-08-04 2021-11-02 中铁十六局集团第一工程有限公司 Wireless multi-point prestress collaborative tensioning control system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102296826A (en) * 2011-06-08 2011-12-28 重庆大学 Dual-pressure sensor rising and tensioning method of steel stranded wire stay rope
CN103774850A (en) * 2014-02-12 2014-05-07 湖南聚创建筑科技有限公司 Wireless intelligent force application system
CN103774850B (en) * 2014-02-12 2016-05-25 湖南聚创建筑科技有限公司 A kind of intelligent wireless force application system
CN104965533A (en) * 2015-04-27 2015-10-07 同济大学 Pre-stress single-end single-jack intelligent tensioning control system
CN113589735A (en) * 2021-08-04 2021-11-02 中铁十六局集团第一工程有限公司 Wireless multi-point prestress collaborative tensioning control system

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Application publication date: 20110323