CN201277030Y

CN201277030Y - While-drilling detection early-warning apparatus for horizontal guiding drill

Info

Publication number: CN201277030Y
Application number: CNU200820153107XU
Authority: CN
Inventors: 杜劲东; 周中明; 董长富; 陈忠卫; 陈忠平
Original assignee: Huayi Power Municipal Construction Engineering Co Ltd Shanghai; SHINAN POWR SUPPLY CO SHANGHAI CITY POWER CORP; Shanghai Municipal Electric Power Co
Current assignee: Huayi Power Municipal Construction Engineering Co Ltd Shanghai; SHINAN POWR SUPPLY CO SHANGHAI CITY POWER CORP; Shanghai Municipal Electric Power Co
Priority date: 2008-09-17
Filing date: 2008-09-17
Publication date: 2009-07-22
Anticipated expiration: 2018-09-17

Abstract

The utility model provides a detecting and alerting device while drilling for a horizontal guide drill, which comprises an underground detecting device while drilling and a ground data processing device, and wherein the underground detecting device while drilling and the ground data processing device are connected with each other though a twin core communication cable. The underground detecting device while drilling is mounted between a horizontal guide drill rod and a pull-back apparatus or between the horizontal guide drill rod and a guide plate. The detecting and alerting device while drilling for a horizontal guide drill has the advantages of closely combing the construction technology and the detecting technology of horizontal guide drills, realizing detection while drilling, and effectively detecting pipelines near a construction route during construction, thereby avoiding construction accidents.

Description

A kind of horizontal guiding drill while-drilling detection early warning device

Technical field

The utility model relates to sends out the detecting early-warning device a kind of, particularly a kind of be used for that horizontally-guided bores with the drilling detection early warning device.

Background technology

It is a kind of non-excavating construction equipment that is applied in the urban municipal construction that horizontally-guided bores, because it is underground that its work progress is positioned at, can not observe directly, so must accurately understand the accurate distribution of existing underground utilities in advance, otherwise be easy to destroy underground existing pipeline, bring construction accident.At present, generally adopt the physical prospecting equipment of ground handling to survey the distribution situation of underground utilities, as ground penetrating radar, underground pipeline finder etc.But because the restriction of detection principle, can there be certain detection blind area in the occasion in rich groundwater, line distribution complexity.In addition, the detection process of ground location equipment and the work progress of horizontally-guided carry out respectively, so when the usage level guiding is crept into the row construction, can not in time report to the police for when danger appears in work progress the rig operating personnel, thereby can't in time take adequate measures, avoid accident to take place.

The utility model content

The purpose of this utility model is to provide a kind of and bores the detecting early-warning device of surveying while constructing in the work progress at horizontally-guided, can real-time detection near the existing underground utilities construction track, thereby when danger appears in construction, can in time alarm to operating personnel.

For the utility model that achieves the above object provide a kind of be used for that horizontally-guided bores with the drilling detection early warning device, comprise and undergroundly survey device and ground data treating apparatus that stream oriented device connects by two core communication cables with probing.Wherein, undergroundly survey device with probing and be installed on horizontally-guided and bore drilling rod and draw together between device or the guide strip with returning, its probe bores drilling rod with horizontally-guided and rotates, and can carry out with the probing survey the ambient conditions around the construction track in construction.

Describedly undergroundly survey device with probing and forms, comprise the probe cabin and with drilling the slowdown monitoring circuit cabin by two cabin sections.Mechanical connection is carried out by screw thread and sealing ring in probe cabin and with being electrically connected by 12 core aviation plugs between the probing slowdown monitoring circuit cabin.

Sound wave emissions probe and two receiving transducers are installed on the cabin body in described probe cabin, battery pack is installed in the cabin.Described two receiving transducers are positioned at the same side of transmitting probe.

Described sound wave emissions probe connects probe emission coupling module out of my cabin.

Underground with the cabin installation of probing slowdown monitoring circuit with probing measurement unit circuit board, and be fixed on on the probing slowdown monitoring circuit cabin, make the high-power components on the circuit board guarantee its operate as normal by the heat radiation of cabin body.

Describedly undergroundly adopt initiatively the acoustic sounding technology to survey with the probing measurement unit, it comprises controller MPU (microprocessor), connects the detectable signal acquisition module of controller MPU input and control logic circuit FPGA (field programmable gate array), acoustic signals excitation module, power management module and the high speed data transfer module that connects controller MPU output respectively.

Wherein, the acoustic signals excitation module comprises that input connects the D/A of controller and control logic circuit (digital-to-analogue) converter respectively, the output of D/A converter connects signal and isolates and power amplifier module, and the signal isolation is connected the sound wave emissions probe with the output of power amplifier module.

The detectable signal acquisition module comprises signal conditioning circuit that connects two sound wave receiving transducers and A/D (modulus) converter that connects modulate circuit output, and A/D converter connects the output of control logic circuit simultaneously and connects output to controller.

The input of control logic circuit connects controller, and output connects the D/A converter of acoustic signals excitation module and the A/D converter of detectable signal acquisition module respectively.

Power management module is mainly finished power source change, system's self-starting and node administration function, involving vibrations switch, circuits for triggering, clear circuit, power amplification circuit, relay, battery pack and DC-DC power conversion integration module.

The high speed data transfer circuit is directly by underground controller MPU control with the probing measurement unit, and exports one road differential signal and dock two core communication cables.

Described ground data treating apparatus comprises portable computer and high speed data transfer circuit, and both link to each other by usb bus, and the other end of high speed data transfer circuit connects underground with probing survey device by described two core communication cables.

Advantage of the present utility model is the detecting devices by a miniaturization, construction technology and detection process that horizontally-guided bores are combined closely, realization is surveyed with probing, can survey near the pipeline that exists the construction access road effectively in work progress, thereby avoids the generation of construction accident.

Description of drawings

Fig. 1 is a formation schematic diagram of the present utility model.

Fig. 2 A and 2B are of the present utility model underground with probing survey Unit Installation position view.

Fig. 3 is a underground structural representation of surveying device with probing of the present utility model.

Fig. 4 is of the present utility model underground with probing measurement unit logic diagram.

Fig. 5 is the structural representation of ground data treating apparatus of the present utility model.

The specific embodiment

Below in conjunction with accompanying drawing 1～Fig. 5, introduce better embodiment of the present utility model.

As shown in Figure 1, described in the utility model be used for that horizontally-guided bores with the drilling detection early warning device, comprise and undergroundly survey device 101 and ground data treating apparatus 102 that stream oriented device connects by two core communication cables 103 with probing.

Shown in Fig. 2 A-2B, undergroundly survey device 101 with probing and be installed on horizontally-guided and bore drilling rod 201 and time draw together between device 202 or drilling rod 201 and the guide strip 203.

As shown in Figure 3, undergroundly survey device 101 with probing and forms, comprise probe cabin 310 and with drilling slowdown monitoring circuit cabin 320 by two cabin sections.Mechanical connection is carried out by screw thread and sealing ring in probe cabin 310 and with being electrically connected by 12 core aviation plugs between the probing slowdown monitoring circuit cabin 320.

Wherein popping one's head in is equipped with 311 and two GYH-2 type receiving transducers 312 of rare earth terbium dysprosium ferrum magnetostriction material in large sound wave emissions probe on the cabin body in cabin 310, and battery pack 313 is installed in the cabin.

Described two receiving transducers 312 are positioned at the same side of sound wave emissions probe 311.

Described sound wave emissions probe 311 connects probe emission coupling module 314 out of my cabin.

Underground with 320 installations of probing slowdown monitoring circuit cabin with probing measurement unit 321 circuit boards, and be fixed on on the probing slowdown monitoring circuit cabin 320, make the high-power components on the circuit board guarantee its operate as normal by the heat radiation of cabin body.

As shown in Figure 4, describedly undergroundly adopt initiatively the acoustic sounding technology to survey with probing measurement unit 321, comprise controller MPU 410 (C8051F047), connect the detectable signal acquisition module 440 of controller MPU 410 inputs and control logic circuit 420 (XC3S 1500), acoustic signals excitation module 430, power management module 450 and the high speed data transfer module 460 that connects controller MPU 410 outputs respectively.

Wherein, acoustic signals excitation module 430 comprises that input connects 12 D/A converters 431 (LTC2631) of controller MPU 410 and control logic circuit 420 respectively, the output of D/A converter 431 connects signal and isolates and power amplifier module 432, and the signal isolation is connected rare earth terbium dysprosium ferrum magnetostriction material in large sound wave emissions probe 311 with the output of power amplifier module 432.Acoustic signals excitation module 430 is in order to signal that sends and instruction emission acoustic sounding signal according to ground data processing equipment 102.

Described D/A converter 431 is used for the data signal of controller MPU 410 outputs is converted into analog signal, signal is isolated and power amplifier module 432 is used for the analog signal of D/A converter 431 outputs is isolated amplification, reduction is sent high-intensity acoustic signals to the interference of circuit such as controller MPU 410 and D/A converter 431 to drive sound wave emissions probe 311; Described sound wave emissions probe 311 is used for being converted to acoustic signals with what controller MPU 410 sent through the D/A conversion and the isolation amplification back signal of telecommunication.

Detectable signal acquisition module 440 comprises signal conditioning circuit 441 that connects two GYH-2 type receiving transducers 312 and 12 A/D converters 442 (AD574) that connect signal conditioning circuit 441 outputs, A/D converter 442 connects the output of control logic circuit 420 simultaneously, and the output of connection A/D converter 442 is to controller MPU 410.Detectable signal acquisition module 440 is in order to receiving acoustic signals, through modulate circuit 441 go directly, filtering, and be transferred to controller MPU410 after the sampling of analog-digital converter 442.

The acoustic signals that described receiving transducer 312 is used for propagating in the soil body is converted to the signal of telecommunication, so that subsequent treatment; Described signal conditioning circuit 441 is used for the acoustic signals that receiving transducer 312 receives is carried out filtering and amplification, signal level is adjusted at the voltage range of A/D converter 442 correspondences, 442 pairs of acoustic signals that receive of this A/D converter carry out analog-to-digital conversion, to satisfy the requirement that subsequent conditioning circuit is handled.

The input of control logic circuit 420 connects controller MPU 410, and output connects the D/A converter 431 of acoustic signals excitation module 430 and the A/D converter 442 of detectable signal acquisition module 440 respectively.

Power management module 450 is mainly finished power source change, system's self-starting and node administration function, involving vibrations switch, circuits for triggering, clear circuit, power amplification circuit, relay, battery pack and DC-DC power conversion integration module.

High speed data transfer circuit 460 is directly by underground controller MPU410 control with probing measurement unit 321, and exports one road differential signal and dock two core communication cables 103.High speed data transfer circuit 460 is used for the signal transmission of master controller MPU 410 between two core communication cables 103.

As shown in Figure 5: described ground data treating apparatus comprises portable computer 501 and high speed data transfer circuit 502, both link to each other by usb bus 503, and the other end of high speed data transfer circuit 502 is surveyed device 101 by 103 connections of described two core communication cables are underground with probing.

Detection control and horizontally-guided that described portable computer 501 is finished the resolving of subsurface investigation data, underground system bore resolving of construction track; Described high speed data transfer circuit 502 is used to provide the transmission of the signal between portable computer 501 and the two core communication cables 103.

Claims

A horizontally-guided bore with the drilling detection early warning device, comprise underground with probing survey device (101) and ground data treating apparatus (102), the two connects by two core communication cables (103), it is characterized in that: undergroundly survey device (101) with probing and be installed on horizontally-guided and bore drilling rod (201) and draw together between device (202) or horizontally-guided brill drilling rod (201) and the guide strip (203) with returning.
2. as claimed in claim 1 with the drilling detection early warning device, it is characterized in that: describedly undergroundly survey device (101) with probing and form by two cabin sections, be respectively the probe cabin (310) and with the probing slowdown monitoring circuit cabin (320), be electrically connected by aviation plug between two cabins, carry out mechanical connection by screw thread and sealing ring.
3. as claimed in claim 2 with the drilling detection early warning device, it is characterized in that: described underground with probing measurement unit (321) circuit board with being fixed with in the probing slowdown monitoring circuit cabin (320).
4. as claimed in claim 3 with the drilling detection early warning device, it is characterized in that: describedly undergroundly comprise controller (410), connect the detectable signal acquisition module (440) of controller (410) input and control logic circuit (420), acoustic signals excitation module (430), power management module (450) and the high speed data transfer module (460) that connects controller (410) output respectively with probing measurement unit (321).
5. as claimed in claim 4 with the drilling detection early warning device, it is characterized in that: described acoustic signals excitation module (430) comprises that input connects the digital to analog converter (431) of controller (410) and control logic circuit (420) respectively, the output of digital to analog converter (431) connects signal and isolates and power amplifier module (432), and the signal isolation is connected sound wave emissions probe (311) with the output of power amplifier module (432).
6. as claimed in claim 5 with the drilling detection early warning device, it is characterized in that: described sound wave emissions probe (311) is installed on the cabin body in described probe cabin (310).
7. as claimed in claim 6 with the drilling detection early warning device, it is characterized in that: described sound wave emissions probe (311) connects the outer emission coupling module (314) in probe cabin (310).
8. as claimed in claim 4 with the drilling detection early warning device, it is characterized in that: described detectable signal acquisition module (440) comprises the analog-digital converter (442) that connects controller (410) input, the input of analog-digital converter (442) connects the output of control logic circuit (420) and modulate circuit (411), and the input of modulate circuit (411) connects receiving transducer (312).
9. as claimed in claim 8 with the drilling detection early warning device, it is characterized in that: described receiving transducer (312) is installed on the cabin body in described probe cabin (310).
10. as claimed in claim 2 with the drilling detection early warning device, it is characterized in that: receiving transducer (312) and sound wave transmitting probe (311) are installed on the cabin body in described probe cabin (310), and receiving transducer (312) and sound wave emissions probe (311) are positioned at the same side on the body of probe cabin, cabin (310).
11. it is as claimed in claim 1 with the drilling detection early warning device, it is characterized in that: described ground data treating apparatus (102) comprises computer (501) and high speed data transfer circuit (502), both link to each other by usb bus (503), and the other end of high speed data transfer circuit is surveyed device (101) by described two core communication cables (103) connection is underground with probing.