CN202486231U

CN202486231U - Intelligent cable route detection system

Info

Publication number: CN202486231U
Application number: CN201220059989XU
Authority: CN
Inventors: 王昌明; 吕宁; 吕高登; 黎增祺
Original assignee: JIANGSU SANTONG INSTRUMENT SYSTEM CO Ltd
Current assignee: JIANGSU SANTONG INSTRUMENT SYSTEM CO Ltd
Priority date: 2012-02-23
Filing date: 2012-02-23
Publication date: 2012-10-10
Anticipated expiration: 2022-02-23

Abstract

The utility model discloses an intelligent cable route detection system, which comprises a cable detection module, a processing module and a remote detection terminal, wherein the cable detection module is in wired connection with the processing module; and the processing module comprises a wireless transmitting and receiving module and is wirelessly connected with the remote detection terminal through the wireless transmitting and receiving module. The intelligent cable route detection system has the advantages that according to the size of induced electromotive force which is generated by a coil sensor around an underground cable, the specific position and depth of the cable are determined by processing of the processing module, and cable information which is detected can be wirelessly sent to the remote monitoring terminal and subjected to unified recording and management, the management and maintenance of the underground cable are facilitated, and the troubles brought by manual digging for cable route positioning and manual recording of the cable information are avoided.

Description

Intelligent cable path detection system

Technical field

The utility model relates to power engineering monitoring technique field, is specifically related to a kind of intelligence system that can quick and precisely detect cable trace.

Background technology

Along with development of city and expansion, the power cable capacity that is used for transmission of power is increasing, and the extension of circuit is more and more longer; Topological structure becomes increasingly complex; As the underground cable network of city urban operating mechanism important component part also become increasingly sophisticated, and because numerous factors such as the time is long-range and control measures in the past are perfect inadequately make the related data of underground cable network not be sufficiently complete; So just can not accurately locate underground cable trace fast; Often need artificial excavation, it is being added up, bring very big trouble for administering and maintaining of underground cable.

The utility model content

In order to solve location to underground cable trace, need artificial excavation, add up; The cable that causes administer and maintain the problem of making troubles; The intelligent cable path detection system of the utility model utilizes electromagnetic induction principle, through the power of the induction electromotive force that collects being confirmed the particular location and the degree of depth of cable; And the relevant information of cable carried out unified record through being wirelessly sent to remote monitoring terminal, made things convenient for administering and maintaining of underground cable.

In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is:

A kind of intelligent cable path detection system; Comprise cable detection module, processing module and remote detection terminal; Said cable detection module and processing module wired connection; It is characterized in that: said processing module comprises radio receiving transmitting module, and said processing module is connected with the remote detection terminal wireless through radio receiving transmitting module.

Aforesaid intelligent cable path detection system; It is characterized in that: said cable detection module comprises coil pickoff, multiple signals modulate circuit and AD conversion circuit and FPGA; Said coil pickoff is connected with the input end of multiple signals modulate circuit; The output terminal of said every road signal conditioning circuit is connected with the signal input part of FPGA through the AD conversion circuit, and the signal output part of said FPGA is connected with the input end of processing module as the output terminal of cable detection module.

Aforesaid intelligent cable path detection system; It is characterized in that: said every road signal conditioning circuit comprises trap circuit, filtering circuit, amplifying circuit and the gain adjusting circuit that connects successively; The input end of said trap circuit is connected with coil pickoff, and the output terminal of said gain adjusting circuit is connected with the AD conversion circuit.

Aforesaid intelligent cable path detection system; It is characterized in that: processing module also comprises touch screen circuitry, indicating circuit, watchdog circuit, power circuit and ARM microprocessor; Said touch screen circuitry, indicating circuit, watchdog circuit and power circuit are connected with the ARM microprocessor respectively, and the signal input part of said ARM microprocessor is connected with the signal output part of said FPGA as the input end of processing module.

Aforesaid intelligent cable path detection system is characterized in that: being provided with in the power circuit to exchange changes DC circuit.

The beneficial effect of the utility model is: utilize electromagnetic induction principle; The power of the induction electromotive force that is produced around the cable according to coil pickoff is handled the particular location and the degree of depth of confirming cable afterwards through processing module; And can detected cable information be carried out unified record and management through being wirelessly sent to remote monitoring terminal; Made things convenient for administering and maintaining of underground cable; Avoid hand digging to carry out many troubles that cable trace is located and the manual record cable information brings, saved the used human and material resources of administering and maintaining of underground cable and other resource in a large number.

Description of drawings

Fig. 1 is the structural representation of the intelligent cable path detection system of the utility model.

Fig. 2 is the system chart of the cable detection module of the utility model.

Fig. 3 is the location map of the coil pickoff of the utility model.

Fig. 4 is the system chart of the signal conditioning circuit of the utility model.

Fig. 5 is the system chart of the processing module of the utility model.

Embodiment

To combine Figure of description below, the utility model will be further described.

As shown in Figure 1; Intelligent cable path detection system comprises cable detection module, processing module and remote detection terminal, said cable detection module and processing module wired connection; Said processing module comprises radio receiving transmitting module; Said processing module is connected with the remote detection terminal wireless through radio receiving transmitting module, and wherein the cable detection module is used to handle the multiple signals of the underground cable that detects, through sending processing module to after the conditionings such as filtering amplification; Processing module is used for signal that the cable detection module is detected, handles, and show, and the relevant information that inner radio receiving transmitting module will detect underground cable in the profit sends to the remote detection terminal; The remote detection terminal is to have the PC of controlling daemon software; Be used for underground cable that record processing module sends over so the relevant information of the position and the degree of depth; And analyze particular location in the city, make that the database unified management is got up so as the later stage to the maintenance of underground cable.

As shown in Figure 2; Said cable detection module comprises coil pickoff, multiple signals modulate circuit and AD conversion circuit and FPGA; Said coil pickoff is connected with the input end of multiple signals modulate circuit; The output terminal of said every road signal conditioning circuit is connected with the signal input part of FPGA through the AD conversion circuit, and the signal output part of said FPGA is connected with the input end of processing module as the output terminal of cable detection module, and wherein coil pickoff is made up of 7 coils; The distribution of these 7 coils is as shown in Figure 3, confirms the particular location of cable through the size of measuring the induction electromotive force in these 7 coils.Under the maximum value pattern; No. 2 coils and No. 3 coils mainly are to be used for judging the position, the left and right sides (with respect to this detection system) that cable buries; No. 4 coils and No. 5 coils mainly are to be used for confirming the concrete direction that cable buries, and Line 1 circle and No. 6 coils mainly are to be used for confirming the degree of depth that cable buries.Under the minimal value pattern, confirm the position that cable buries through No. 7 coils; A/D convertor circuit adopts 8 AD7829 chips of eight passages, and eight passages mainly are the induction electromotive forces that is used for gathering on the coil, and corresponding 1-7 coil remains a channel standby from a passage to seven passages; FPGA mainly accomplishes the generation of pulse signal, and the control sampled signal compares the data of gathering on the respective channel simultaneously, confirms the position of cable according to relatively result, and sends object information to the ARM microprocessor and carry out subsequent treatment.

As shown in Figure 4; Said every road signal conditioning circuit comprises trap circuit, filtering circuit, amplifying circuit and the gain adjusting circuit that connects successively; The input end of said trap circuit is connected with coil pickoff; The output terminal of said gain adjusting circuit is connected with the AD conversion circuit, and wherein trap circuit is used for the undesired signal of bigger power frequency is decayed and filtering; Filtering circuit is used for further undesired signal being leached; Amplifying circuit is used for the faint induction electromotive force of amplification detection, obtains being fit to the signal of A/D convertor circuit; Gain adjusting circuit is used for the complementary induction electromotive force and loses at circuit, has utilization to descend cable trace to locate more accurately over the ground.

As shown in Figure 5; Said processing module comprises radio receiving transmitting module, power circuit, touch screen circuitry, clock circuit, watchdog circuit, indicating circuit and ARM microprocessor; Said touch screen circuitry, indicating circuit, watchdog circuit and power circuit are connected with the ARM microprocessor respectively; The signal input part of said ARM microprocessor is connected with the signal output part of said FPGA as the input end of processing module; Wherein radio receiving transmitting module adopts the GPRS wireless module, and the cable information that is used to send after processing module is handled is given remote monitoring terminal; Watchdog circuit is used and is prevented locking system in use, unexpected collapse (such as electrostatic interference and other bad working environment), restarting systems, the operate as normal of assurance local supervising and measuring equipment; Clock circuit is used for work clock to the ARM microprocessor being provided; Touch screen circuitry is used to provide human-computer interaction interface, the transmission of information after personnel's easy to use observation cable demonstration and the control and treatment; Power circuit is used for processing module provides WV, and is provided with interchange commentaries on classics DC circuit, realizes supplied by AC/DC electricity; Indicating circuit is used for the duty of prompting processing on the one hand; If processing module is unusual; Indicating circuit can indication fault attitude, processing module can be sounded after detecting the particular location of ground lower module on the other hand, reminds the user of service to have been found that underground cable; The user of service can observe the show state of touch-screen, does next step processing; The ARM microprocessor is the core of processing module, is used to handle FPGA and sends detection information, and control each above-mentioned circuit operate as normal.

In sum; The utility model utilizes electromagnetic induction principle; The power of the induction electromotive force that is produced around the cable according to coil pickoff is handled the particular location and the degree of depth of confirming cable afterwards through processing module; And can detected cable information be carried out unified record and management through being wirelessly sent to remote monitoring terminal; Make things convenient for administering and maintaining of underground cable, avoided hand digging to carry out many troubles that cable trace is located and the manual record cable information brings, saved the used human and material resources of administering and maintaining of underground cable and other resource in a large number.

More than show and described ultimate principle, principal character and the advantage of the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the instructions that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.

Claims

1. intelligent cable path detection system; Comprise cable detection module, processing module and remote detection terminal; Said cable detection module and processing module wired connection; It is characterized in that: said processing module comprises radio receiving transmitting module, and said processing module is connected with the remote detection terminal wireless through radio receiving transmitting module.

2. intelligent cable path detection according to claim 1 system; It is characterized in that: said cable detection module comprises coil pickoff, multiple signals modulate circuit and AD conversion circuit and FPGA; Said coil pickoff is connected with the input end of multiple signals modulate circuit; The output terminal of said every road signal conditioning circuit is connected with the signal input part of FPGA through the AD conversion circuit, and the signal output part of said FPGA is connected with the input end of processing module as the output terminal of cable detection module.

3. intelligent cable path detection according to claim 2 system; It is characterized in that: said every road signal conditioning circuit comprises trap circuit, filtering circuit, amplifying circuit and the gain adjusting circuit that connects successively; The input end of said trap circuit is connected with coil pickoff, and the output terminal of said gain adjusting circuit is connected with the AD conversion circuit.

4. intelligent cable path detection according to claim 3 system; It is characterized in that: processing module also comprises touch screen circuitry, indicating circuit, watchdog circuit, power circuit and ARM microprocessor; Said touch screen circuitry, indicating circuit, watchdog circuit and power circuit are connected with the ARM microprocessor respectively, and the signal input part of said ARM microprocessor is connected with the signal output part of said FPGA as the input end of processing module.

5. intelligent cable path detection according to claim 4 system is characterized in that: being provided with in the said power circuit to exchange changes DC circuit.