CN106405407B

CN106405407B - High-density electrical method appearance electrode converter detection device

Info

Publication number: CN106405407B
Application number: CN201610963726.4A
Authority: CN
Inventors: 王平
Original assignee: Zhuhai National Prospecting Co ltd
Current assignee: Zhuhai National Prospecting Co ltd
Priority date: 2016-11-04
Filing date: 2016-11-04
Publication date: 2023-04-14
Anticipated expiration: 2036-11-04
Also published as: CN106405407A

Abstract

The invention discloses a high-density electrical method instrument electrode converter detection device, which comprises a high-density electrical method instrument host, a multi-channel electrode converter and a detector, wherein the high-density electrical method instrument host comprises a first transceiver, a first microcontroller, an input module and a display module which are sequentially connected; the multi-way electrode converter comprises a second transceiver, a second microcontroller, a decoder module and a first relay module which are sequentially connected, wherein the second microcontroller is connected with a first communication module, and the first communication module is provided with at least one cable access port; the detector comprises a cable connector, a cable state switcher and a plurality of state connectors which are sequentially connected, and the cable state switcher comprises a second communication module, a third microprocessor and a second relay which are sequentially connected. The invention can timely detect the working state of any relay of the multi-way electrode converter, directly display the working state of all relays on the screen of the host, has simple structure and small volume, is not easy to damage, and improves the efficiency of field work.

Description

High-density electrical method appearance electrode converter detection device

Technical Field

The invention relates to the technical field of geophysical exploration, in particular to a detection device for an electrode converter of a high-density electrical method instrument.

Background

The research of the resistivity imaging technology is developed from the first generation to the fourth generation along with the development of science and the improvement of ore searching requirements. Currently, the resistivity acquisition device performs data acquisition in a serial mode, data transmission and storage are completed by a host, and typical devices can be classified into a centralized type and a distributed type. The first to third generation resistivity imaging instruments basically adopt a centralized type, namely dozens of electrodes are connected to a conversion box through a multi-core cable, and the conversion box selects the electrodes to measure according to the requirements. In the twenty-first century, multi-channel distributed high-density resistivity instruments appeared.

The traditional detection device for the multi-way electrode converter of the centralized high-density electrical method instrument is connected with a host and the converter through 232 bus control, the detector is composed of 240 relays and corresponds to circuits inside the converter one by one, the designed circuit is complex, the size of the detector is equivalent to that of the host of the high-density electrical method instrument, the weight of the detector is close to that of the converter, and the detection device is not beneficial to field carrying and operation.

Disclosure of Invention

Based on the defects of the prior art, the invention provides the high-density electrode converter detection device of the electrical method instrument, which is easy to operate and control, strong in reliability, simple in structure, small in size and not easy to damage, and is convenient for people to use.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a high-density electric method instrument electrode converter detection device comprises a high-density electric method instrument host, a multi-channel electrode converter and a detector, the high-density electrical method instrument host comprises a first transceiver, a first microcontroller, an input module and a display module which are connected in sequence;

the multi-way electrode converter comprises a second transceiver, a second microcontroller, a decoder module and a first relay module which are sequentially connected, the second microcontroller is also connected with a first communication module, and the first communication module is provided with at least one cable access port;

the detector comprises a cable joint, a cable state switcher and a plurality of state joints which are sequentially connected, the cable state switcher comprises a second communication module, a third microprocessor and a second relay which are sequentially connected, the output end of the cable joint is connected with the second communication module, the input end of the cable joint is connected with the cable access port, and the output end of the second relay is respectively connected with the state joints;

the first transceiver and the second transceiver the second transceiver is communicatively coupled.

The first transceiver and the second transceiver are both connected with CAN bus joints, and the first transceiver and the second transceiver connect the two CAN bus joints through CAN buses.

The input module is a key input module.

The cable connector is a 32-core cable connector and comprises a state control 30 core and a communication 2 core.

The number of the plurality of state joints is 4, and the state joints are A, B, M and N respectively.

According to the invention is advantageous in the effect is as follows: the working state of any relay of the multi-way electrode converter can be timely detected in the field, the working states of all relays can be directly displayed on a screen of a host, and meanwhile, the multi-way electrode converter has the characteristics of simple structure, small size, difficulty in damage and the like, and the field working efficiency is effectively improved.

Drawings

FIG. 1 shows an embodiment of the present invention a block diagram of an embodiment;

FIG. 2 is a schematic diagram of a detector configuration according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a host circuit of the high-density electrical method apparatus according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a multi-way electrode converter circuit according to an embodiment of the present invention;

fig. 5 is a circuit diagram of a cable status switch according to an embodiment of the invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention.

As shown in fig. 1 to 5, the high-density electrical method instrument electrode converter detection device in this embodiment based on Cortex-M3 includes a high-density electrical method instrument host, a multi-way electrode converter and a detector, wherein the high-density electrical method instrument host controls four states of a high voltage +, B high voltage-, M measurement + and N measurement-for 60 channels, each channel is controlled by 4 relays, and state instructions of 240 relays in total are sent to the multi-way electrode converter. One end of the detector passes through a 32-core aviation connector, wherein a 30-core connector is connected with an internal switching channel of the multi-way electrode converter, the other 2 cores are communicated with a communication port and connected with the multi-way electrode converter, and the other ends of the multi-way electrode converter are connected with four state joints A, B, M and N. After receiving the host command, the multi-way electrode converter controls the connection between the internal relays and the cable state switcher in the detector to judge whether the 240 relays work effectively.

The high-density electrical method appearance host computer, by first microcontroller, the display module, button module and CTM8251 CAN transceiver constitute, first microcontroller adopts the LPC1788 chip of NXP company, LPC1788 is the microcontroller based on ARM Cortex-M3 kernel, be applicable to the embedded occasion that requires high integration and low-power consumption, LPC1788 operating frequency CAN reach 120MHz, have tertiary assembly line and Harvard (Harvard) structure, take independent local instruction and data bus and be used for the third bus of peripheral hardware.

The chip of the key module adopts a ZLG7290 chip of ZLG company, the first microcontroller triggers the key module to send out a detection command to execute relevant operation according to a user, 60 channels are controlled by a serial control CTM8251 CAN transceiver, each channel is controlled by 4 relays to control four states of A high voltage +, B high voltage-, M measurement + and N measurement-, the state instructions of 240 relays are sent to the multi-channel electrode converter, and data returned by the multi-channel electrode converter are displayed on the display module.

Pins

94 and 96 of the first microcontroller are connected with

pins

3 and 4 of a CTM8251 CAN first transceiver;

pins

68, 70 of the first microcontroller are connected to

pins

20, 19 of the ZLG7290 chip of the key module.

The display module adopts DMT10600C070_05WT intelligent display terminal manufactured by Beijing Divintech, inc., the intelligent display terminal provides a serial data interface which is easy to operate for the first microcontroller, and the baud rate is 115200bps.

Pins

202, 204 of the first microcontroller are connected with

pins

2, 4 of the display module.

The multi-way electrode converter consists of a second microcontroller, a CTM8251 CAN second transceiver, a decoder module, a first relay module and a first communication module. The model of the second microcontroller is LPC11C14, the second microcontroller receives the instruction that high density electrical method appearance host computer sent according to CTM8251 CAN second transceiver and carries out the operation, through serial control decoder module output signal to first relay module, gates a set of relay, and then through serial control first relay module, selects one relay in a set of relay to open to cable state switch send instruction for the detector inside through first communication module.

Pins

21 and 22 of the second microcontroller are connected with

pins

10 and 12 of the MAX232 chip of the first communication module;

pins

12 and 13 of the second microcontroller are connected with

pins

3 and 4 of a CTM8251 CAN second transceiver;

pins

15, 16, 17 and 18 of the second microcontroller are connected with

pins

20, 21, 22 and 23 of a 74HC154 chip of the decoder module;

pins

2, 3, 4, 5, 6, 7, 8 and 9 of the second microcontroller are connected with

pins

11, 12, 13, 14, 15, 16, 17 and 18 of the 74HC245 chip of the first relay module;

pins

1, 2, 3, 4, 5, 6, 7, 8 of the 74HC154 chip of the decoder module are connected to

pins

1, 2, 3, 4, 5, 6, 7, 8 of the ULN2803 chip of the first relay module.

The detector comprises a 32-core aviation connector, a cable state switcher and four state connectors of A, B, M and N, wherein the cable state switcher comprises a third microcontroller, a second communication module and a second relay module. The model of the third microcontroller is LPC1114, the third microcontroller executes operation according to the instruction sent by the second communication module receiving multi-way electrode converter, and a 3.3V signal in a state switcher of a 30-core connecting cable of the 32-core aviation connector is connected through the second relay module in a serial control mode.

Pins

11 and 12 of the third microcontroller are connected with

pins

10 and 12 of the MAX232 chip of the second communication module;

pins

4, 5, 6, 7, 8, 9 of the third microcontroller are connected to

pins

1, 2, 3, 4, 5, 6 of the ULN2803 chip of the second relay module.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited to the above-mentioned embodiments, and the present invention shall fall within the protection scope of the present invention as long as the technical effects of the present invention are achieved by the same means.

Claims

1. The utility model provides a high density electrical method appearance electrode converter detection device, includes high density electrical method appearance host computer, multichannel electrode converter and detector, its characterized in that: the high-density electrical method instrument host comprises a first transceiver, a first microcontroller, an input module and a display module which are connected in sequence;

the detector comprises a cable joint, a cable state switcher and 4 state joints which are sequentially connected, the cable state switcher comprises a second communication module, a third microprocessor and a second relay which are sequentially connected, the output end of the cable joint is connected with the second communication module, the input end of the cable joint is connected with the cable access port, the output end of the second relay is respectively connected with the 4 state joints, the 4 state joints are respectively A, B, M and N, the cable joint is a 32-core cable joint and comprises a state control 30 core and a communication 2 core, one end of the detector is connected with an internal conversion channel of the multi-path electrode converter through the 30 core, the other 2 cores are connected with communication ports and the multi-path electrode converter, and the other end of the detector is connected with the state joints A, B, M and N; the first transceiver is in communication connection with the second transceiver, 60 high-density electrical method instrument hosts are used, each high-density electrical method instrument host is controlled by 4 relays to control four states of A high voltage +, B high voltage-, M measurement + and N measurement-, and state instructions of 240 relays are sent to the multi-way electrode converter, and after the multi-way electrode converter receives the state instructions of the high-density electrical method instrument hosts, the internal relays are controlled to be connected with the cable state switcher in the detector to judge whether the 240 relays work effectively.

2. The high density electrical method apparatus for measuring electrode switch of claim 1, wherein: the first transceiver and the second transceiver are both connected with a CAN bus joint, the first transceiver and the second transceiver connect the two CAN bus connectors through the CAN bus.

3. The high-density electrometer electrode converter testing apparatus of claim 1 further comprising: the input module is a key input module.