CN212259500U

CN212259500U - Mining intrinsically safe and explosion-proof data converter

Info

Publication number: CN212259500U
Application number: CN202020648280.8U
Authority: CN
Inventors: 陈玉珍; 张达敏; 左贵权
Original assignee: Guiyang Linhai Machinery Manufacturing Co ltd
Current assignee: Guiyang Linhai Machinery Manufacturing Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-12-29
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a mining intrinsically safe and explosion-proof data converter, which belongs to the field of converter explosion prevention and comprises a protective shell, a connecting rod, a converter body, a heat radiation fan, a threaded rod, a heat radiation fin and a second photoelectric isolation module, wherein slide rods are arranged on the left side and the right side inside the protective shell, and the converter body is arranged above a rubber lug; a first pin shaft seat is arranged on one side, close to the converter body, of the sliding sleeve, a connecting rod is arranged on the first pin shaft seat, threaded hole grooves are formed in the left side and the right side above the protective shell, and threaded rods are arranged in the threaded hole grooves; the converter is internally provided with a first photoelectric isolation module, a first intrinsic safety loop module, a conversion circuit, a second intrinsic safety loop module and a second photoelectric isolation module. The utility model discloses a radiator fan and radiating fin's cooperation that sets up is used, can accelerate the radiating rate of converter body, prevents that the heat dissipation of converter body is slow, leads to the inside high temperature of converter body and takes place to burst.

Description

Mining intrinsically safe and explosion-proof data converter

Technical Field

The utility model belongs to the explosion-proof field of converter specifically is mining ann concurrently explosion-proof type data converter.

Background

The converter is a device for converting an analog signal into a digital signal, and particularly converts an analog quantity with continuous time and continuous amplitude into a digital signal with discrete time and discrete amplitude, the existing converter can emit a large amount of heat in the using process, the heat dissipation speed is slow, the service life of the converter is easy to reduce, and even the converter is over-high in temperature to burst or explode.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mining ann holds explosion-proof type data converter concurrently to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the mining intrinsic safety and explosion-proof data converter comprises a protective shell, a connecting rod, a converter body, a heat dissipation fan, a threaded rod, heat dissipation fins and a second photoelectric isolation module, wherein slide rods are arranged on the left side and the right side inside the protective shell, slide sleeves are symmetrically arranged on the upper side and the lower side of each slide rod, a spring is arranged between each slide sleeve and the protective shell, a plurality of rubber lugs are uniformly arranged on the left side and the right side below the inside of the protective shell, and the converter body is arranged above each rubber lug; a first pin shaft seat is installed on one side, close to the converter body, of the sliding sleeve, a connecting rod is installed on the first pin shaft seat, a second pin shaft seat is installed on one side, close to the converter body, of the connecting rod, a first clamping plate is installed on one side, close to the converter body, of the second pin shaft seat, threaded hole grooves are formed in the left side and the right side of the upper portion of the protective shell, threaded rods are installed in the threaded hole grooves, a crank is installed above the threaded rods, and a second clamping plate is installed below the threaded rods; an air inlet is formed in the middle of the lower portion of the protection shell, an air outlet is formed in the middle of the upper portion of the protection shell, a heat dissipation fan is installed in the air outlet, a plurality of heat dissipation fins are uniformly installed on the converter body, an inlet wire hose is installed on the left side of the air outlet, and an outlet wire hose is installed on the right side of the air outlet; the converter is internally provided with a first photoelectric isolation module, a first intrinsic safety loop module, a conversion circuit, a second intrinsic safety loop module and a second photoelectric isolation module, one end of the first photoelectric isolation module is connected with an external signal module through RS485/USB/CAN/TCP, the other end of the first photoelectric isolation module is connected with the first intrinsic safety loop module, the other end of the first intrinsic safety loop module is connected with the conversion circuit, the conversion circuit is connected to the second intrinsic safety loop module, the second intrinsic safety loop module is connected to the second photoelectric isolation module, and the second photoelectric isolation module is connected to an external master station/device through B/CAN/TCP/IP.

As a further aspect of the present invention: the converter body is installed between two slide bars, installs the lifting rod in the middle of the left side of protective housing.

As a further aspect of the present invention: a first cushion pad is installed on one side, close to the converter body, of the first clamping plate, and a second cushion pad is installed below the second clamping plate.

As a further aspect of the present invention: the wire inlet hose and the wire outlet hose are provided with wire connectors above, and the air inlet and the air outlet are provided with dust screens.

As a further aspect of the present invention: the first photoelectric isolation module, the first intrinsic safety circuit module, the conversion circuit, the second intrinsic safety circuit module and the second photoelectric isolation module jointly form an explosion-proof cavity.

Compared with the prior art, the beneficial effects of the utility model are that: the shock absorption and buffering of the converter body in the horizontal direction can be realized through the matched use of the arranged sliding rod, the sliding sleeve, the spring, the first pin shaft seat, the connecting rod, the second pin shaft seat, the first clamping plate and the first buffer pad, and the shock absorption and buffering of the converter body in the vertical direction can be realized through the matched use of the arranged crank, the threaded rod, the threaded hole groove, the second clamping plate and the second buffer pad, so that the converter body can be prevented from bursting due to collision; the heat dissipation speed of the converter body can be increased by matching the arranged heat dissipation fan and the heat dissipation fins, and the phenomenon that the converter body cracks due to overhigh internal temperature is prevented from occurring because the converter body dissipates heat slowly; the incoming hose and the outgoing hose can prevent the incoming and outgoing cables from rubbing, so that the insulation skin is broken, short circuit and fire are generated, and explosion is generated; can play the guard action of shock attenuation buffering to the converter body in vertical direction through the rubber lug that sets up, rubber lug can make and keep certain clearance between the bottom of converter body and the protective housing simultaneously, and the converter body of being convenient for more dispels the heat.

Drawings

Fig. 1 is a schematic top view of a mining intrinsically safe and explosion-proof data converter.

Fig. 2 is a schematic front view structure diagram of the intrinsically safe and explosion-proof data converter for mining.

Fig. 3 is a block diagram of a mining intrinsically safe and explosion-proof data converter system.

In the figure: 1. a protective housing; 2. a slide bar; 3. a sliding sleeve; 4. a spring; 5. a first pin shaft seat; 6. a connecting rod; 7. a second pin shaft seat; 8. lifting a pull rod; 9. a first clamping plate; 10. a first cushion pad; 11. a converter body; 12. a rubber bump; 13. an air inlet; 14. an exhaust port; 15. a dust screen; 16. a heat radiation fan; 17. an incoming hose; 18. a wire outlet hose; 19. a connector lug; 20. a threaded bore slot; 21. a threaded rod; 22. a crank; 23. a second clamping plate; 24. a second cushion pad; 25. a heat dissipating fin; 26. a first optoelectronic isolation module; 27. a first intrinsically safe loop module; 28. a conversion circuit; 29. a second intrinsically safe loop module; 30. a second optoelectronic isolation module; 31. an external signal module; 32. an external master station/device.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, the mining intrinsically safe and explosion-proof data converter includes a protective casing 1, a connecting rod 6, a converter body 11, a heat dissipation fan 16, a threaded rod 21, a heat dissipation fin 25 and a second photoelectric isolation module 30; slide bar 2 is installed to the inside left and right sides of protective housing 1, sliding sleeve 3 is installed to the upper and lower bilateral symmetry of slide bar 2, install spring 4 between sliding sleeve 3 and the protective housing 1, the left and right sides equipartition of the inside below of protective housing 1 is provided with a plurality of rubber lug 12, converter body 11 is installed to rubber lug 12's top, converter body 11 is installed between two slide bars 2, rubber lug 12 through setting up can be to playing the guard action of shock attenuation buffering to converter body 11 in vertical direction, rubber lug 12 can make and keep certain clearance between converter body 11's bottom and the protective housing 1 simultaneously, it dispels the heat to be convenient for converter body 11 more, install lifting rod 8 in the middle of the left side of protective housing 1.

A first pin shaft seat 5 is arranged on one side of the sliding sleeve 3 close to the converter body 11, a connecting rod 6 is arranged on the first pin shaft seat 5, a second pin shaft seat 7 is arranged on one side of the connecting rod 6 close to the converter body 11, a first clamping plate 9 is arranged on one side of the second pin shaft seat 7 close to the converter body 11, a first cushion pad 10 is arranged on one side of the first clamping plate 9 close to the converter body 11, the sliding sleeve 3 on the upper side and the sliding sleeve 3 on the lower side can generate mutually close elasticity through the arranged spring 4, so that the connecting rod 6 generates thrust on the first clamping plate 9, the converter body 11 is clamped and fixed, the converter body 11 is protected in a damping and buffering manner in the horizontal direction, threaded hole grooves 20 are arranged on the left side and the right side above the protective shell 1, a threaded rod 21 is arranged in the threaded hole grooves 20, a crank 22 is arranged above the threaded rod 21, and a second clamping plate 23 is, second blotter 24 is installed to the below of second clamp plate 23, uses through the cooperation between the threaded rod 21 that sets up and the screw hole groove 20, can drive second clamp plate 23 downstream, carries out the ascending clamp of vertical side fixedly to converter body 11.

An air inlet 13 is arranged in the middle of the lower portion of the protection shell 1, an air outlet 14 is arranged in the middle of the upper portion of the protection shell 1, dust screens 15 are arranged on the air inlet 13 and the air outlet 14, external dust can be prevented from entering the protection shell 1 to pollute the converter body 11 through the arranged dust screens 15, a heat dissipation fan 16 is arranged in the air outlet 14, a plurality of heat dissipation fins 25 are uniformly arranged on the converter body 11, the heat dissipation speed of the converter body 11 can be increased through the matched use of the heat dissipation fan 16 and the heat dissipation fins 25, the converter body 11 is prevented from dissipating heat slowly, the internal temperature of the converter body 11 is prevented from being overhigh and bursting, an inlet wire hose 17 is arranged on the left side of the air outlet 14, an outlet wire hose 18 is arranged on the right side of the air outlet 14, a connector lug 19 is arranged above the inlet wire hose 17 and the outlet wire hose 18, and, the insulation sheath is broken to cause short circuit, fire and explosion.

A first photoelectric isolation module 26, a first intrinsic safety loop module 27, a conversion circuit 28, a second intrinsic safety loop module 29 and a second photoelectric isolation module 30 are arranged in the converter body 11, the first photoelectric isolation module 26, the first intrinsic safety loop module 27, the conversion circuit 28, the second intrinsic safety loop module 29 and the second photoelectric isolation module 30 jointly form an explosion-proof cavity, one end of the first photoelectric isolation module 26 is connected with an external signal module 31 through an RS485/USB/CAN/TCP, the other end of the first photoelectric isolation module 26 is connected with the first intrinsic safety loop module 27, the other end of the first intrinsic safety loop module 27 is connected with the conversion circuit 28, the conversion circuit 28 is connected with the second intrinsic safety loop module 29, the second intrinsic safety loop module 29 is connected with the second photoelectric isolation module 30, the second photoelectric isolation module 30 is connected with an external master station/device 32 through a B/CAN/TCP/IP, the RS485 signal and the RJ45 network signal are converted in the converter body 11 in two directions, so that the utilization rate of the existing equipment is improved, the investment is saved, the complexity of the wiring CAN be simplified on the basis of the existing network, the existing serial port equipment is easily connected to a local area network or an internet, the converter body 11 converts the signals while drilling of an external drilling machine into digital signals, the signals are transmitted to a ground monitoring master station or other equipment through TCP/IP, RS485, CAN bus, optical fibers and the like, and the commands from the master station CAN be received.

The utility model discloses a theory of operation is: firstly, the converter body 11 is placed into the protective shell 1, the first clamping plates 9 on the left side and the right side in the protective shell 1 clamp the converter body 11 in the horizontal direction, the threaded rod 21 is driven to rotate by rotating the crank 22, the threaded rod 21 drives the second clamping plate 23 to move downwards, the second clamping plate 23 drives the second cushion pad 24 to move downwards to clamp and fix the converter body 11 in the vertical direction, gas in the protective shell 1 is exhausted through the exhaust port 14 under the action of the heat dissipation fan 16, and outside air enters the protective shell 1 through the air inlet 13 to accelerate heat dissipation of the converter body 11; the converter body 11 carries out bidirectional conversion on RS485 signals and RJ45 network signals, the converter body 11 converts external drilling machine signals while drilling into digital signals, and the signals are transmitted to a ground monitoring master station or other equipment through TCP/IP, RS485, CAN bus, optical fibers and the like, and CAN also receive commands from the master station.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The mining intrinsic safety and explosion-proof data converter comprises a protective shell (1), a connecting rod (6), a converter body (11), a heat dissipation fan (16), a threaded rod (21), heat dissipation fins (25) and a second photoelectric isolation module (30), and is characterized in that slide rods (2) are installed on the left side and the right side inside the protective shell (1), slide sleeves (3) are symmetrically installed on the upper side and the lower side of each slide rod (2), springs (4) are installed between the slide sleeves (3) and the protective shell (1), a plurality of rubber lugs (12) are uniformly distributed on the left side and the right side of the lower portion inside the protective shell (1), and the converter body (11) is installed above the rubber lugs (12); a first pin shaft seat (5) is installed on one side, close to the converter body (11), of the sliding sleeve (3), a connecting rod (6) is installed on the first pin shaft seat (5), a second pin shaft seat (7) is installed on one side, close to the converter body (11), of the connecting rod (6), a first clamping plate (9) is installed on one side, close to the converter body (11), of the second pin shaft seat (7), threaded hole grooves (20) are formed in the left side and the right side above the protective shell (1), threaded rods (21) are installed in the threaded hole grooves (20), a crank (22) is installed above the threaded rods (21), and a second clamping plate (23) is installed below the threaded rods (21); an air inlet (13) is formed in the middle of the lower portion of the protective shell (1), an air outlet (14) is formed in the middle of the upper portion of the protective shell (1), a heat radiation fan (16) is installed in the air outlet (14), a plurality of heat radiation fins (25) are uniformly installed on the converter body (11), an inlet wire hose (17) is installed on the left side of the air outlet (14), and an outlet wire hose (18) is installed on the right side of the air outlet (14); a first photoelectric isolation module (26), a first intrinsic safety loop module (27), a conversion circuit (28), a second intrinsic safety loop module (29) and a second photoelectric isolation module (30) are arranged in the converter body (11), one end of the first photoelectric isolation module (26) is connected with an external signal module (31) through RS485/USB/CAN/TCP, the other end of the first photoelectric isolation module (26) is connected with the first intrinsic safety loop module (27), the other end of the first intrinsic safety loop module (27) is connected with a conversion circuit (28), the conversion circuit (28) is connected to the second intrinsic safety loop module (29), the second intrinsic safety loop module (29) is connected to the second photoelectric isolation module (30), and the second photoelectric isolation module (30) is connected to an external master station/device (32) through B/CAN/TCP/IP.

2. The mining intrinsically safe and explosion-proof data converter as claimed in claim 1, wherein the converter body (11) is mounted between two sliding rods (2), and a lifting rod (8) is mounted in the middle of the left side of the protective shell (1).

3. The mining intrinsically safe and explosionproof data converter as claimed in claim 1, wherein a first cushion pad (10) is mounted on one side of the first clamping plate (9) close to the converter body (11), and a second cushion pad (24) is mounted below the second clamping plate (23).

4. The mining intrinsically safe and explosion-proof data converter as claimed in claim 1, wherein a connector lug (19) is mounted above the incoming hose (17) and the outgoing hose (18), and dust screens (15) are mounted on the air inlet (13) and the air outlet (14).

5. The mining intrinsic safety and explosion-proof data converter according to claim 1, characterized in that the first photoelectric isolation module (26), the first intrinsic safety circuit module (27), the conversion circuit (28), the second intrinsic safety circuit module (29) and the second photoelectric isolation module (30) jointly form an explosion-proof cavity.