CN110635205A

CN110635205A - Isolator for digital signal transmission protection

Info

Publication number: CN110635205A
Application number: CN201911025921.2A
Authority: CN
Inventors: 李小敬
Original assignee: Xuzhou Fengtong Information Technology Co Ltd
Current assignee: Xuzhou Fengtong Information Technology Co Ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2019-12-31

Abstract

The invention discloses an isolator for digital signal transmission protection, which comprises a bottom plate, wherein mounting bolts are fixedly mounted at four corners of the bottom plate, a concave shock absorption seat is fixedly mounted at the top of the bottom plate, and a shell is fixedly mounted on the concave shock absorption seat through a rectangular through hole. The isolator is provided with the heat dissipation copper plate and the heat dissipation box, the heat dissipation copper plate can quickly absorb heat on the integrated circuit board in the using process and then transmit the heat to the heat dissipation fins, the heat dissipation fins quickly dissipate the heat, and then the 68KTYZ motor in the heat dissipation box drives the fan to rotate, so that the airflow circulation rate in the shell is accelerated, the heat in the shell is quickly dissipated to the outside through the heat dissipation port, and the phenomenon that the performance index of an electronic component used in the isolator is reduced to cause the change of the output value of the isolator due to overhigh temperature in the shell is avoided.

Description

Isolator for digital signal transmission protection

Technical Field

The invention relates to the technical field of isolators, in particular to an isolator for digital signal transmission protection.

Background

The isolator adopts the linear optical coupling isolation principle, converts input signals to be output, and the input, the output and the working power supply are isolated from each other, is particularly suitable for being matched with equipment instruments needing electric isolation, is also called as a signal isolator, and is an important component in an industrial control system.

Although the prior patent (publication number: CN 108598640 a) discloses a signal acquisition isolator, which comprises a base, a mounting plate, a terminal, a voltage reduction component, a voltage reduction plate, a wire spring mounting hole, an input end, a work indicator lamp, a resistance meter, a groove, a convex groove, a voltage reduction plate, a guard plate and a voltage reduction resistor, which are used in cooperation, the signal acquisition isolator can realize the isolation of signals. However, in the process of implementing the present invention, the inventor finds that at least the following problems in the prior art are not solved: 1. the existing voltage regulating structure is complex, and temperature drift is easy to occur in the process that all components are easy to use in a matched mode, so that the performance indexes of electronic components used in the isolator are reduced, and the output value of the isolator is changed; 2. meanwhile, the existing isolation mechanism has poor anti-vibration performance in the use process, and internal electronic components are influenced by vibration and easily cause the output value to be not accurate enough; 3. the existing isolator has poor heat dissipation performance in the working process, and the temperature drift of internal devices is easily caused. Therefore, the invention designs an instrument which can adjust the strength, can train the single part of the body at the same time and is convenient to disassemble.

Disclosure of Invention

The invention aims to solve the defects in the prior art, such as: the isolator for the transmission protection of the existing digital signals has the advantages that the structure is complex, the internal temperature is easily increased by too many structures, the output value is changed, the anti-seismic effect is poor, the severe vibration easily influences the internal electrical elements, the output value is not accurate enough, quick heat dissipation cannot be achieved, and the output value is easily changed.

In order to achieve the purpose, the invention adopts the following technical scheme:

an isolator for digital signal transmission protection comprises a bottom plate, wherein mounting bolts are fixedly mounted at four corners of the bottom plate, a concave shock absorption seat is fixedly mounted at the top of the bottom plate, and a shell is fixedly mounted on the concave shock absorption seat through a rectangular through hole;

the utility model discloses a casing, including casing, integrated circuit board, input interface, green lamp, red lamp, USB interface, first output interface, second output interface and third output interface, the inside fixed mounting of casing has the heat dissipation copper, the front fixed mounting of heat dissipation copper has integrated circuit board, the front from the top down of casing is equipped with input interface, green lamp, red lamp, USB interface, first output interface, second output interface and third output interface in proper order, the central point department fixed mounting of casing rear side has the heat dissipation box, one side of casing is equipped with the opening, the open-ended.

Preferably, the two sides of the bottom of the heat dissipation copper plate are fixedly provided with L-shaped mounting frames, and the bottom of the heat dissipation copper plate is provided with heat dissipation fins.

Preferably, the inside fixed mounting of heat dissipation box has 68KTYZ motors, and the output of 68KTYZ motors passes through axis of rotation fixed mounting and has the fan, the one end of heat dissipation box is equipped with the screen panel.

Preferably, four angle fixed mounting of bottom have the spring in the spill shock absorber seat, the both ends fixed mounting at spill shock absorber seat both sides top has spacing inserted sheet.

Preferably, the front side at the top of the integrated circuit board is provided with a first electrical interface, a second electrical interface and a third electrical interface, the rear side at the top of the integrated circuit board is provided with a fourth electrical interface and a fifth electrical interface, and the central position at the top of the integrated circuit board is provided with a PCB transformer, an optical coupling isolation module and a chip.

Preferably, the bottom parts of the two sides of the sealing cover are provided with inserting rods, the tops of the two sides inside the opening are provided with inserting slots, and the inserting rods are located inside the inserting slots.

Preferably, the bottom of the mounting bolt is fixedly provided with a limiting sleeve, and a rubber block is embedded in the limiting sleeve.

Preferably, the front surface of the sealing cover is provided with a heat dissipation opening, and the central position of the bottom of the front surface of the sealing cover is provided with a lock catch.

Preferably, the input interface is electrically connected with the fifth electrical interface through a wire, the fifth electrical interface is electrically connected with the PCB transformer through a wire, the PCB transformer is electrically connected with the opto-coupler isolation module and the fourth electrical interface through a wire, the fourth electrical interface is electrically connected with the 68KTYZ motor through a wire, the opto-coupler isolation module is electrically connected with the chip through a wire, the chip is electrically connected with the first electrical interface, the second electrical interface, the third electrical interface, the green light, the red light and the USB interface through wires, the first output interface is electrically connected with the first electrical interface through a wire, the second output interface is electrically connected with the second electrical interface through a wire, and the third output interface is electrically connected with the third electrical interface through a wire.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention is provided with the integrated circuit board, and the PCB transformer, the chip and the optical coupling isolation module on the integrated circuit board are matched for use, so that the structure is simple, the temperature drift condition can not occur in the use process, and the change of the output value can be avoided.

2. The invention is provided with the concave shock absorption seat, the shell is fixedly arranged in the concave shock absorption seat through the spring, and the spring can effectively buffer the vibration and avoid the influence of severe vibration on electrical elements in the shell.

3. The heat dissipation copper plate and the heat dissipation box are arranged, the heat dissipation copper plate can quickly absorb heat on the integrated circuit board in the use process and then transmit the heat to the heat dissipation fins, the heat dissipation fins quickly dissipate the heat, and then the 68KTYZ motor in the heat dissipation box drives the fan to rotate, so that the air flow circulation rate in the shell is accelerated, the heat in the shell is quickly dissipated to the outside through the heat dissipation port, and the phenomenon that the performance index of an electronic component used in the isolator is reduced to cause the change of the output value of the isolator due to overhigh temperature in the shell is avoided.

Drawings

Fig. 1 is a schematic perspective view of an isolator for digital signal transmission protection according to the present invention;

fig. 2 is a schematic front view of an isolator for digital signal transmission protection according to the present invention;

FIG. 3 is a schematic side view of an isolator for digital signal transmission protection according to the present invention;

fig. 4 is a schematic structural diagram of a heat-dissipating copper plate of the isolator for digital signal transmission protection according to the present invention;

fig. 5 is a schematic structural diagram of a heat dissipation box of an isolator for digital signal transmission protection according to the present invention;

FIG. 6 is a schematic view of the installation of the sealing cover and the opening of the isolator for protecting digital signal transmission according to the present invention;

fig. 7 is a schematic structural diagram of an integrated circuit board of an isolator for digital signal transmission protection according to the present invention;

fig. 8 is a schematic structural diagram of a concave shock-absorbing seat of an isolator for digital signal transmission protection according to the present invention.

In the figure: 1. a base plate; 2. installing a bolt; 201. a limiting sleeve; 202. a rubber block; 3. a concave shock-absorbing seat; 301. a limiting insertion sheet; 302. a spring; 4. a housing; 401. an input interface; 402. a green light; 403. a red light; 404. a USB interface; 405. a first output interface; 406. a second output interface; 407. a third output interface; 5. an opening; 6. a sealing cover; 601. a heat dissipation port; 602. locking; 7. a heat dissipation box; 701. a mesh enclosure; 702. a 68KTYZ motor; 703. a fan; 8. a heat-dissipating copper plate; 801. an L-shaped mounting bracket; 802. heat dissipation fins; 9. an integrated circuit board; 901. a first electrical interface; 902. a second electrical interface; 903. a third electrical interface; 904. a fourth electrical interface; 905. a fifth electrical interface; 906. a PCB transformer; 907. an opto-coupler isolation module; 908. a chip; 10. a rectangular through hole; 11. inserting a rod; 12. and (4) a slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-8, an isolator for digital signal transmission protection comprises a bottom plate 1, wherein four corners of the bottom plate 1 are fixedly provided with mounting bolts 2 through a threaded structure, the top of the bottom plate 1 is welded with a concave shock absorption seat 3, and the concave shock absorption seat 3 is fixedly provided with a shell 4 through a rectangular through hole 10;

the inside heat dissipation copper 8 that has through bolt fixed mounting of casing 4, integrated circuit board 9 has been installed through bolt fixed mounting in the front of heat dissipation copper 8, the front from the top down of casing 4 is equipped with input interface 401 in proper order, green light 402, red light 403, USB interface 404, first output interface 405, second output interface 406 and third output interface 407, the central point department of casing 4 rear side has heat dissipation box 7 through bolt fixed mounting, one side of casing 4 is equipped with opening 5, the inside of opening 5 is equipped with sealed lid 6.

When the shock absorber is used, the bottom plate 1 is fixedly installed through the installation bolt 2, and when the shock absorber is vibrated, the concave shock absorbing seat 3 effectively buffers the vibration, so that the influence of the vibration on electrical elements in the shell 4 is avoided;

when in use, the heat-radiating copper plate 8 absorbs the heat generated by the operation of the integrated circuit board 9, and then quickly radiates the heat, then the heat dissipation box 7 blows air to the inside of the casing 4 to accelerate the circulation rate of the air flow in the casing 4, so that the heat in the casing 4 is quickly dissipated to the outside from the heat dissipation port 601, the phenomenon that the performance index of the integrated circuit board 9 is reduced to cause the change of the output value of the isolator due to the overhigh temperature of the integrated circuit board 9 is avoided, the first output interface 405 is convenient for the access of an external signal line, and the green light 402 is lighted during normal operation, when an input signal is overloaded, the red light 403 is turned on, the USB interface 404 is used for connecting a calibrator to perform online calibration, the first output interface 405, the second output interface 406 and the third output interface 407 are used for external wiring connection to transmit the isolated signal, and the sealing cover 6 is opened, so that the maintenance of electrical components inside the bottom shell 4 is facilitated;

the two sides of the bottom of the heat-radiating copper plate 8 are welded with L-shaped mounting racks 801, and the bottom of the heat-radiating copper plate 8 is provided with heat-radiating fins 802;

it should be noted that the heat-dissipating copper plate 8 is fixedly installed inside the housing 4 through the L-shaped mounting bracket 801, the heat-dissipating copper plate 8 transmits heat to the heat-dissipating fins 802, and the heat-dissipating fins 802 dissipate heat quickly;

wherein, the interior of the heat dissipation box 7 is fixedly provided with a 68KTYZ motor 702 through bolts, the output end of the 68KTYZ motor 702 is fixedly provided with a fan 703 through a rotating shaft, and one end of the heat dissipation box 7 is provided with a mesh enclosure 701;

it should be noted that the 68KTYZ motor 702 drives the fan 703 to rotate to blow air into the casing 4, so as to accelerate the air flow rate inside the casing 4, thereby quickly dissipating the heat inside the casing 4 to the outside, and the mesh enclosure 701 protects the rear portion of the heat dissipation box 7, thereby preventing external objects from entering the heat dissipation box 7 and damaging the 68KTYZ motor 702 and the fan 703 inside the heat dissipation box 7;

springs 302 are welded at four corners of the bottom in the concave shock absorption seat 3, and limiting insertion pieces 301 are welded at two ends of the top of two sides of the concave shock absorption seat 3;

it should be noted that the limiting insertion sheet 301 is inserted into the rectangular through hole 10 to perform a limiting function, the top of the spring 302 is fixedly welded to the bottom of the housing 4, and when the vibration is applied, the spring 302 effectively buffers the vibration;

a first electrical interface 901, a second electrical interface 902 and a third electrical interface 903 are arranged on the front side of the top of the integrated circuit board 9, a fourth electrical interface 904 and a fifth electrical interface 905 are arranged on the rear side of the top of the integrated circuit board 9, and a PCB transformer 906, an optical coupling isolation module 907 and a chip 908 are arranged in the center of the top of the integrated circuit board 9;

it should be noted that the first electrical interface 901, the second electrical interface 902, the third electrical interface 903, the fourth electrical interface 904 and the fifth electrical interface 905 are convenient for electrical connection with an external device, the PCB transformer 906 regulates the voltage of a wire connected to the external wire, and has high-efficiency electromagnetic interference resistance, the optical coupling isolation module 907 isolates a transmitted signal from an electromagnetic wave to prevent the electromagnetic wave from interfering the signal, and the chip 908 processes and transmits the signal to the outside;

wherein, the bottom parts of the two sides of the sealing cover 6 are provided with inserting rods 11, the top parts of the two sides inside the opening 5 are provided with inserting slots 12, and the inserting rods 11 are positioned inside the inserting slots 12;

the sealing cover 6 is fixedly installed inside the opening 5 through the insertion rod 11, and the opening 5 is sealed;

wherein, the bottom of the mounting bolt 2 is welded with a limit sleeve 201, and a rubber block 202 is embedded in the limit sleeve 201;

it should be noted that the rubber block 202 can effectively buffer the vibration, so as to prevent the mounting bolt 2 from loosening;

wherein, the front of the sealing cover 6 is provided with a heat radiation port 601, and the central position of the front bottom of the sealing cover 6 is provided with a lock catch 602;

it should be noted that the sealing cover 6 is locked by the lock 602, and the heat dissipation opening 601 facilitates the heat inside the housing 4 to be dissipated to the outside;

the input interface 401 is electrically connected to a fifth electrical interface 905 through a wire, the fifth electrical interface 905 is electrically connected to a PCB transformer 906 through a wire, the PCB transformer 906 is electrically connected to an opto-isolator module 907 and a fourth electrical interface 904 through a wire, the fourth electrical interface 904 is electrically connected to a 68KTYZ motor 702 through a wire, the opto-isolator module 907 is electrically connected to a chip 908 through a wire, the chip 908 is electrically connected to a first electrical interface 901, a second electrical interface 902, a third electrical interface 903, a green light 402, a red light 403 and a USB interface 404 through wires, the first output interface 405 is electrically connected to the first electrical interface 901 through a wire, the second output interface 406 is electrically connected to the second electrical interface 902 through a wire, and the third output interface 407 is electrically connected to the third electrical interface 903 through a wire;

it should be noted that an external signal line is inserted into the input interface 401, the input interface 401 transmits external information and voltage to the PCB transformer 906, the PCB transformer 906 adjusts the voltage, the PCB transformer 906 transmits power to the 68KTYZ motor 702, the 68KTYZ motor 702 supplies power, the PCB transformer 906 transmits the information with the adjusted voltage to the opto-isolator module 907, the opto-isolator module 907 isolates the signal, the information is transmitted to the chip 908, the chip 908 performs centralized processing on the information, the information is transmitted to the outside through the first output interface 405, the second output interface 406 and the third output interface 407, during information transmission, the green light 402 is turned on during normal operation, when the information is overloaded, the red light 403 is turned on, and during information transmission, the USB interface 404 is connected with the calibrator to perform online calibration.

In the invention, when a user uses the device, referring to the attached figures 1-8 of the specification, when in use, the device is fixedly installed through the installation bolt 2, then an external signal line is inserted into the input interface 401, the input interface 401 transmits external information and voltage to the PCB transformer 906, the PCB transformer 906 adjusts the voltage, then the PCB transformer 906 transmits power to the 68KTYZ motor 702 and the 68KTYZ motor 702 to work, then the PCB transformer 906 transmits the information with adjusted voltage to the optical coupling isolation module 907, the optical coupling isolation module 907 isolates the signal, then the information is transmitted to the chip 908, the chip 908 performs centralized processing on the information, then the information is transmitted to the outside through the first output interface 405, the second output interface 406 and the third output interface 407, during the information transmission process, during the normal work, the green lamp 402 is on, when the information is overloaded, red light 403 lights, in the process of information transmission, connect the calibrator through USB interface 404 and carry out online calibration, in the time of isolator work, when receiving vibrations, spring 302 carries out effectual buffering to vibrations, avoid vibrations to cause the influence to electrical components, the quick transmission of heat that integrated circuit board 9 produced is to heat dissipation copper 8 simultaneously, heat dissipation copper 8 gives heat dissipation fin 802 heat transmission, heat dissipation fin 802 is quick gives off the heat, then 68KTYZ motor 702 drives fan 703 and rotates and bloies to casing 4 inside, accelerate the inside air current circulation rate of casing 4, thereby make the quick heat of casing 4 inside give off the external world from thermovent 601, simultaneously people can open sealed lid 6 through hasp 602, maintain the inside device of casing 4.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The isolator for digital signal transmission protection is characterized by comprising a bottom plate (1), wherein mounting bolts (2) are fixedly mounted at four corners of the bottom plate (1), a concave shock absorption seat (3) is fixedly mounted at the top of the bottom plate (1), and a shell (4) is fixedly mounted on the concave shock absorption seat (3) through a rectangular through hole (10);

the utility model discloses a solar energy heat dissipation device, including casing (4), casing (4) inside fixed mounting has heat dissipation copper (8), the front fixed mounting of heat dissipation copper (8) has integrated circuit board (9), the front from the top down of casing (4) is equipped with input interface (401), green lamp (402), red lamp (403), USB interface (404), first output interface (405), second output interface (406) and third output interface (407) in proper order, the central point department fixed mounting of casing (4) rear side has heat dissipation box (7), one side of casing (4) is equipped with opening (5), the inside of opening (5) is equipped with sealed lid (6).

2. The isolator for digital signal transmission protection according to claim 1, wherein: the heat dissipation copper plate is characterized in that L-shaped mounting frames (801) are fixedly mounted on two sides of the bottom of the heat dissipation copper plate (8), and heat dissipation fins (802) are arranged at the bottom of the heat dissipation copper plate (8).

3. The isolator for digital signal transmission protection according to claim 1, wherein: the inside fixed mounting of heat dissipation box (7) has 68KTYZ motor (702), and the output of 68KTYZ motor (702) passes through axis of rotation fixed mounting fan (703), the one end of heat dissipation box (7) is equipped with screen panel (701).

4. The isolator for digital signal transmission protection according to claim 1, wherein: four angle fixed mounting of bottom have spring (302) in concave shock absorber seat (3), the both ends fixed mounting at concave shock absorber seat (3) both sides top has spacing inserted sheet (301).

5. The isolator for digital signal transmission protection according to claim 1, wherein: the front side of the top of the integrated circuit board (9) is provided with a first electrical interface (901), a second electrical interface (902) and a third electrical interface (903), the rear side of the top of the integrated circuit board (9) is provided with a fourth electrical interface (904) and a fifth electrical interface (905), and the central position of the top of the integrated circuit board (9) is provided with a PCB transformer (906), an optical coupling isolation module (907) and a chip (908).

6. The isolator for digital signal transmission protection according to claim 1, wherein: the bottom of the two sides of the sealing cover (6) is provided with an inserting rod (11), the tops of the two sides of the inside of the opening (5) are provided with inserting grooves (12), and the inserting rod (11) is located inside the inserting grooves (12).

7. The isolator for digital signal transmission protection according to claim 1, wherein: the bottom of the mounting bolt (2) is fixedly provided with a limiting sleeve (201), and a rubber block (202) is embedded into the limiting sleeve (201).

8. The isolator for digital signal transmission protection according to claim 1, wherein: the front surface of the sealing cover (6) is provided with a heat dissipation opening (601), and the central position of the bottom of the front surface of the sealing cover (6) is provided with a lock catch (602).

9. The isolator for digital signal transmission protection according to claim 1, wherein: the input interface (401) is electrically connected with a fifth electrical interface (905) through a lead, the fifth electrical interface (905) is electrically connected with a PCB transformer (906) through a lead, the PCB transformer (906) is electrically connected with an optical coupling isolation module (907) and a fourth electrical interface (904) through leads, the fourth electrical interface (904) is electrically connected with a 68KTYZ motor (702) through a lead, the optical coupling isolation module (907) is electrically connected with a chip (908) through a lead, the chip (908) is electrically connected with a first electrical interface (901), a second electrical interface (902), a third electrical interface (903), a green light (402), a red light (403) and a USB interface (404) through leads, the first output interface (405) is electrically connected with the first electrical interface (901) through a lead, and the second output interface (406) is electrically connected with the second electrical interface (902) through a lead, the third output interface (407) is electrically connected to the third electrical interface (903) through a conductive wire.