CN210745659U

CN210745659U - Communication terminal module for intrinsic safety mine

Info

Publication number: CN210745659U
Application number: CN201921453837.6U
Authority: CN
Inventors: 张东岳; 周显礼; 艾国昌; 陈旸; 郭祥川; 崔焕鹏; 孙宏贵
Original assignee: Huaxia Tianxin Intelligent Internet Of Things Co ltd
Current assignee: Huaxia Tianxin Intelligent Internet Of Things Co ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-06-12
Anticipated expiration: 2029-09-03

Abstract

The utility model discloses a communication terminal module for intrinsic safety mine, which comprises a bottom circuit board and a top circuit board, the bottom circuit board and the top circuit board can be designed into a circle, a rectangle, a polygon and the like, the top of the bottom circuit board is respectively provided with a power supply, a first signal interface, a second signal interface, a third signal interface, a fourth signal interface, a fifth signal interface, a sixth signal interface, a seventh signal interface, a copper wire and a connecting port, the top of the top circuit board is provided with a dial, and be provided with eight feet pad, copper line and connection port on the bottom of top circuit board respectively, this ann mining communication terminal module can be convenient integrated to seven core cable plugs or have the arbitrary cable plug of certain volume above, the utility model discloses a series of structures make this device have characteristics such as low in manufacturing cost and reliability height.

Description

Communication terminal module for intrinsic safety mine

Technical Field

The utility model relates to a communication terminal module technical field specifically is communication terminal module for this ampere of mine.

Background

Compared with a traditional hydraulic coupler dragging motor, the frequency converter driving motor has the great advantages of prolonging the service life of the motor, saving energy and having good speed regulation performance, so that mining equipment such as a scraper conveyor, a belt conveyor and the like in a coal mine is driven by adopting a driving frequency converter or a frequency conversion speed regulation integrated machine.

When the large and medium scraper conveyor or the rubber belt conveyor is driven, two or more variable frequency driving devices are generally needed to drive, and at the moment, a master-slave CAN communication mode is generally adopted among the driving devices, so that the rotating speed and the torque of each device are synchronously and dynamically adjusted along with the master station device, and the aim of consistent output of the scraper conveyor or the rubber belt conveyor is fulfilled. The station numbers of the equipment are required to be set before master-slave CAN communication is carried out between all variable frequency driving equipment, on the basis, a master station and a slave station are further defined in software, the current setting mode of the station numbers of the driving equipment is mainly set through a matrix keyboard operation software interface, the mode is visual, but the driving equipment needs a matched hardware touch screen, a matrix keyboard and a corresponding software operation interface, the manufacturing cost of the equipment is increased, and once the station number setting system has problems, the maintenance is difficult and the maintenance period is long.

Based on the market opportunities and technical bottlenecks, the company successfully develops a communication terminal module for intrinsic safety mine. The communication terminal module can be miniaturized according to the specific size, shape and installation requirements of a user or a working condition, and can be conveniently integrated on a seven-core cable plug or any cable plug with a certain volume. Each mining device needing master-slave CAN communication is matched with one or more intrinsic safety communication terminal modules. The station number switching method of the mining equipment has the advantages that intrinsic safety power sources and signal leads related to station number setting and communication of the mining equipment are led out of a cable socket outside the equipment, when the station number of the equipment needs to be set, the communication terminal module is inserted into the cable socket reserved in advance by the equipment through a cable plug, the station number of the matched mining equipment and the existence of 120 omega terminal resistance required by CAN communication CAN be conveniently set through a dial disc integrated on a circuit board at the top of the communication terminal module, the communication terminal module is plug-and-play, application and maintenance are convenient and rapid, equipment manufacturing cost is reduced, the station number setting problem of master-slave communication equipment in a coal mine production working face is well solved, station number switching of the communication equipment CAN be rapidly achieved under the condition that equipment is overhauled or sudden conditions occur, continuous production is guaranteed, and working efficiency is improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's manufacturing cost height and reliability low grade defect, provide this ampere of mining communication terminal module. The communication terminal module for the intrinsic safety mine has the characteristics of low manufacturing cost, high reliability and the like.

In order to achieve the above object, the utility model provides a following technical scheme: this mining communication terminal module of ann, including bottom circuit board and top circuit board, bottom circuit board and top circuit board all can design into circular, rectangle, polygon etc, be provided with power, first signal interface, second signal interface, third signal interface, fourth signal interface, fifth signal interface, sixth signal interface, seventh signal interface, copper line and connection port on the top of bottom circuit board respectively, install dial plate on the top of top circuit board, and be provided with eight feet pad, copper line and connection port on the bottom of top circuit board respectively.

Preferably, a pin header is disposed between the bottom circuit board and the top circuit board, and the top and bottom of the pin header are respectively plugged into the connection ports.

Preferably, the power supply, the first signal interface, the second signal interface, the third signal interface, the fourth signal interface, the fifth signal interface, the sixth signal interface and the seventh signal interface on the bottom circuit board are all in the form of through holes.

Preferably, the connection port on the bottom circuit board is correspondingly connected with the power supply, the first signal interface, the second signal interface, the third signal interface, the fourth signal interface, the fifth signal interface, the sixth signal interface and the seventh signal interface through copper wires.

Preferably, the bottom of the top circuit board is provided with a first chip resistor, a second chip resistor and a third chip resistor respectively, the top circuit board is provided with three through holes, and the through holes are internally provided with a first LED lamp, a second LED lamp and a third LED lamp respectively.

Preferably, the connection port on the top circuit board is correspondingly connected with the dial, the first chip resistor, the second chip resistor and the third chip resistor through copper wires.

Preferably, four pins are fixedly connected to the side walls of the left side and the right side of the dial in sequence from front to back, and four dials are arranged on the top of the dial.

Preferably, the first signal interface is used for a positive electrode of a welding power supply, the second signal interface is used for a negative electrode of the welding power supply, the third signal interface and the fourth signal interface are respectively used for welding a 120 Ω terminal resistance outgoing line required by CAN communication, and the fifth signal interface, the sixth signal interface and the seventh signal interface are respectively used for welding a signal line for setting a station number.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the communication terminal module for the mine can be conveniently integrated on a seven-core cable plug or any cable plug with a certain volume, can be conveniently inserted into a cable socket reserved in advance by the mine variable-frequency driving equipment by means of the cable plug, is plug-and-play, is convenient and quick to apply and maintain, and is compared with a mode of operating a touch screen through a matrix keyboard to set a station number, so that the equipment manufacturing cost is reduced.

2. When the communication terminal module for the intrinsically safe mine is used, the station number of the matched mine equipment and the 120 omega terminal resistor required by CAN communication CAN be conveniently set by only dialing the dial of the dial on the circuit board at the top of the communication terminal module for the intrinsically safe mine, the station number is set by hardware in a deviation manner, and the method has the advantage of high reliability compared with a method for setting the station number by touch screen software.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a bottom circuit board of FIG. 1;

FIG. 3 is a schematic view of the top circuit board of FIG. 1;

FIG. 4 is a schematic view of the dial of the top circuit board of FIG. 1

Reference numbers in the figures: 1. a bottom circuit board; 2. a top circuit board; 3. arranging needles; 4. a first signal interface; 5. a second signal interface; 6. a third signal interface; 7. a fourth signal interface; 8. a fifth signal interface; 9. a sixth signal interface; 10. a seventh signal interface; 11. a copper wire; 12. a connection port; 13. a first LED lamp; 14. a second LED lamp; 15. a third LED lamp; 16. a first chip resistor; 17. a second chip resistor; 18. a third chip resistor; 19. an eight-pin pad; 20. a pin; 21. a dial; 22. and (5) dialing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the printed circuit board includes a bottom circuit board 1, a top circuit board 2, and a pin header 3 for connecting the top circuit board 2 and the bottom circuit board 1, and the shapes of the bottom circuit board 1 and the top circuit board 2 may be designed according to actual needs, and may be circular, rectangular, polygonal, irregular, and the like.

As shown in fig. 2, the bottom circuit board 1 has a power supply, a first signal interface 4, a second signal interface 5, a third signal interface 6, a fourth signal interface 7, a fifth signal interface 8, a sixth signal interface 9, and a seventh signal interface 10, wherein the first signal interface 4 is used for welding the positive electrode of the power supply, the second signal interface 5 is used for welding the negative electrode of the power supply, the third signal interface 6 and the fourth signal interface 7 are used for welding a 120 Ω terminal resistance outgoing line required for CAN communication, the fifth signal interface 8, the sixth signal interface 9, and the seventh signal interface 10 are used for welding a signal line for setting a station number, a connection port 12 on the bottom circuit board 1 is connected with a connection port 12 on the top circuit board 2 through a pin header 3, and the connection port 12 is connected with the first signal interface 4, the second signal interface 5, the third signal interface 6, and a copper line 11 distributed on the bottom circuit board 1, The fourth signal interface 7, the fifth signal interface 8, the sixth signal interface 9 and the seventh signal interface 10 are correspondingly connected.

As shown in fig. 3, a first LED lamp 13, a second LED lamp 14 and a third LED lamp 15 for indicating the on/off of a signal are integrated on the top circuit board 2, a first chip resistor 16, a second chip resistor 17 and a third chip resistor 18 are also integrated on the top circuit board 2, and an eight-pin pad 19 for soldering a dial 21 is also integrated on the top circuit board 2, these electronic devices on the top circuit board 2 are correspondingly connected through a copper wire 11, and a connection port 12 on the top circuit board 2 can transmit the power and signals of the bottom circuit board 1 to the electronic devices on the top circuit board 2 through the pin header 3.

As shown in fig. 4, a dial 21 is integrated on a top circuit board 2 of the communication terminal module, eight pins 20 on the dial 21 are welded to eight-pin pads 19, four dials 22 are arranged on the dial 21, and the four dials 22 are used for realizing on-off switching of a power supply and a signal, so that the purposes of setting a station number and switching a resistance of a CAN communication terminal are achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. This mining communication terminal module of ann, including bottom circuit board (1) and top circuit board (2), its characterized in that: the bottom circuit board (1) and the top circuit board (2) can be designed into a circle, a rectangle, a polygon and the like, a power supply, a first signal interface (4), a second signal interface (5), a third signal interface (6), a fourth signal interface (7), a fifth signal interface (8), a sixth signal interface (9), a seventh signal interface (10), a copper wire (11) and a connecting port (12) are arranged on the top of the bottom circuit board (1) respectively, a dial plate (21) is installed on the top of the top circuit board (2), and an eight-pin pad (19), a copper wire (11) and a connecting port (12) are arranged on the bottom of the top circuit board (2) respectively.

2. The communication terminal module for the intrinsic safety mine according to claim 1, wherein: a pin header (3) is arranged between the bottom circuit board (1) and the top circuit board (2), and the top of the pin header (3) and the top of the pin header are respectively inserted into the connecting port (12).

3. The communication terminal module for the intrinsic safety mine according to claim 1, wherein: the power supply, the first signal interface (4), the second signal interface (5), the third signal interface (6), the fourth signal interface (7), the fifth signal interface (8), the sixth signal interface (9) and the seventh signal interface (10) on the bottom circuit board (1) are all in the form of through holes.

4. The communication terminal module for the intrinsic safety mine according to claim 1, wherein: and a connecting port (12) on the bottom circuit board (1) is correspondingly connected with a power supply, a first signal interface (4), a second signal interface (5), a third signal interface (6), a fourth signal interface (7), a fifth signal interface (8), a sixth signal interface (9) and a seventh signal interface (10) through copper wires (11).

5. The communication terminal module for the intrinsic safety mine according to claim 1, wherein: install first chip resistor (16), second chip resistor (17) and third chip resistor (18) on the bottom of top circuit board (2) respectively, three through-hole has been seted up on top circuit board (2), installs first LED lamp (13), second LED lamp (14) and third LED lamp (15) in the through-hole respectively.

6. The communication terminal module for the intrinsic safety mine according to claim 1, wherein: and a connecting port (12) on the top circuit board (2) is correspondingly connected with the dial plate (21), the first chip resistor (16), the second chip resistor (17) and the third chip resistor (18) through copper wires (11).

7. The communication terminal module for the intrinsic safety mine according to claim 1, wherein: four pins (20) are fixedly connected to the side walls of the left side and the right side of the dial (21) in sequence from front to back, and four dials (22) are arranged on the top of the dial (21).

8. The communication terminal module for the intrinsic safety mine according to claim 1, wherein: the first signal interface (4) is used for welding the anode of a power supply, the second signal interface (5) is used for welding the cathode of the power supply, the third signal interface (6) and the fourth signal interface (7) are respectively used for welding 120 omega terminal resistance outgoing lines required by CAN communication, and the fifth signal interface (8), the sixth signal interface (9) and the seventh signal interface (10) are respectively used for welding signal lines for setting station numbers.