CN210579626U - Prevent strong and weak anti-interference supervision incasement portion isolation structure of electricity - Google Patents

Prevent strong and weak anti-interference supervision incasement portion isolation structure of electricity Download PDF

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Publication number
CN210579626U
CN210579626U CN201921032233.4U CN201921032233U CN210579626U CN 210579626 U CN210579626 U CN 210579626U CN 201921032233 U CN201921032233 U CN 201921032233U CN 210579626 U CN210579626 U CN 210579626U
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shell
inner shell
strong
isolation structure
supervision
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CN201921032233.4U
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Chinese (zh)
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孙剑
曹艳
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Nanjing Baokang Electronic Technology Co Ltd
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Nanjing Baokang Electronic Technology Co Ltd
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Abstract

The utility model discloses a prevent strong and weak anti-interference supervision incasement portion isolation structure, including shell, shell door case, inner shell, shell door case with the shell is connected through articulated mode, the shell left side is provided with antenna interface, the shell left and right sides is provided with corresponding shade, the shell bottom is provided with the entrance hole, entrance hole top is provided with the wiring room, shell internal weld has the bottom plate, through adopting "triple isolation" special construction design that shell and inner shell were kept apart mutually, inner shell and wiring room were kept apart mutually, integrated circuit cabin and strong current module cabin were kept apart mutually, realizes keeping apart external field environment and internal field environment effective area, reduces external electromagnetic radiation, effectively keeps apart weak current system and strong current system, and the improvement reduces strong current and produces electromagnetic interference to weak current.

Description

Prevent strong and weak anti-interference supervision incasement portion isolation structure of electricity
Technical Field
The utility model belongs to the technical field of the equipment is anti-interference, concretely relates to prevent strong and weak anti-interference supervision incasement portion isolation structure of electricity.
Background
The prior video monitoring equipment generally adopts an iron sheet box, power supply network supplying devices of various monitoring equipment are placed in the iron sheet box, strong and weak electric equipment is mixed and placed, electric wires, network wires and data wires are disordered, various transformers are extruded on a socket, faults are often caused by problems of interface aging, plug loosening, poor heat dissipation and the like in the long-term operation process, a large amount of electromagnetic interference exists in the internal box body environment, the electric wire box is often influenced by external electromagnetic radiation, electromagnetic pulse, ground potential abnormity, lightning impulse, electrostatic induction, electric arc, strong load current impulse, power harmonic wave, high-frequency electric noise and other harmful factors, such as potential abnormity and harmonic wave interference of electric equipment, electric sparks of electric tools can influence the normal work of a communication system, and electromagnetic wave signals emitted by systems such as radio communication, broadcast television, radar and the like are also an interference relative to other systems and equipment, therefore, it is necessary to purify the electromagnetic environment, prevent the interference of stray electromagnetic waves, and improve the anti-interference capability of the system and the equipment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent the inside isolating structure of strong and weak anti-interference supervision case of electricity to solve foretell technical problem.
In order to achieve the above object, the utility model provides a following technical scheme: an internal isolation structure of a supervision box for preventing strong and weak current from interference comprises an outer shell, an outer shell door box and an inner shell;
the shell door box is connected with the shell in a hinged mode;
an antenna interface is arranged on the left side of the shell;
the left side and the right side of the shell are provided with corresponding shades;
the bottom end of the shell is provided with a wire inlet hole;
a wiring chamber is arranged above the wire inlet hole;
a bottom plate is welded inside the shell;
an inner shell is arranged above the bottom plate, and a cable junction box is arranged on the bottom plate;
the top end of the inner shell is provided with an opening which is fixedly connected with the cooling fan;
an isolation cushion layer is arranged in the inner shell and divides the inner shell into an integrated circuit cabin and a strong current module cabin;
an integrated circuit board is arranged in the integrated circuit cabin, and a network interface and an output power supply interface are arranged on the integrated circuit board;
a power switch is arranged in the strong current module cabin and is fixedly connected with the bottom plate.
Preferably, the outer shell and the inner shell are made of galvanized sheet metal materials.
Preferably, a layer of metal film is sprayed inside the outer shell and the inner shell to serve as a shielding layer.
Preferably, the wiring chamber is of an open cavity structure.
Preferably, the network interface comprises an optical fiber interface, an RJ45 network interface and an RS485 interface.
Preferably, the inner shell has a cubic structure.
Preferably, the isolation cushion layer is internally provided with a copper wire braided layer.
Furthermore, the copper wire braided layer is formed by interweaving red copper wires.
The utility model discloses a technological effect and advantage: the utility model realizes effective separation of the external field environment and the internal field environment by adopting the special structure design of 'triple separation' that the outer shell and the inner shell are separated from each other, the inner shell and the wiring chamber are separated from each other, and the integrated circuit cabin and the strong current module cabin are separated from each other, reduces the electromagnetic interference of harmful factors such as external electromagnetic radiation, electromagnetic pulse, earth potential abnormity, thunder and lightning impulse, electrostatic induction, electric arc, strong load current impulse, power harmonic wave, high-frequency electric noise and the like to the box body, effectively separates the core electrical appliance device from the peripheral wiring area, can prevent the constructor from mistakenly touching the core device to cause equipment damage during wiring operation, and can seal the electrical appliance to prevent personnel from electric shock, by isolating the integrated circuit cabin from the strong current module cabin, the weak current system and the strong current system are effectively isolated, and electromagnetic interference of strong current to weak current is reduced.
Drawings
Fig. 1 is a schematic view of the external overall structure of the present invention;
FIG. 2 is a front view of the inside of the case of the present invention;
FIG. 3 is a structural diagram of the inner shell of the present invention;
FIG. 4 is a bottom view of the inner shell of the present invention;
fig. 5 is the concrete structure of the copper wire braid of the utility model.
In the figure: the system comprises an outer shell, an outer shell door box, a base plate, an inner shell, a radiating fan, an antenna interface, a wire inlet hole, a cable junction box, an integrated circuit board, an integrated circuit cabin, a power module cabin, a network interface, an output power supply interface, a shade, a power switch, a wiring chamber, a spacer cushion layer and a copper wire braid layer, wherein the outer shell, the outer shell door box, the base plate, the inner shell, the radiating fan, the antenna interface, the wire inlet hole, the cable junction box, the integrated circuit board, the integrated circuit cabin, the shade, the power.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 5 of 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.
The utility model provides an internal isolation structure of a supervision box for preventing strong and weak current from interference, which is shown in figures 1-5 and comprises an outer shell 1, an outer shell door box 2 and an inner shell 4;
the shell door box 2 is connected with the shell 1 in a hinged mode;
an antenna interface 6 is arranged on the left side of the shell 1;
the left side and the right side of the shell 1 are provided with corresponding shades 14;
the bottom end of the shell 1 is provided with a wire inlet hole 7;
a wiring chamber 16 is arranged above the wire inlet hole 7;
a bottom plate 3 is welded in the shell 1;
an inner shell 4 is arranged above the bottom plate 3, and a cable junction box 8 is arranged on the bottom plate 3;
the top end of the inner shell 4 is provided with an opening which is fixedly connected with a cooling fan 5;
an isolation cushion layer 17 is arranged inside the inner shell 4, and the isolation cushion layer 17 divides the inner shell 4 into an integrated circuit cabin 10 and a strong current module cabin 11;
an integrated circuit board 9 is arranged inside the integrated circuit cabin 10, and a network interface 12 and an output power supply interface 13 are arranged on the integrated circuit board 9;
the inside of the strong current module cabin 11 is provided with a power switch 15, and the power switch 15 is fixedly connected with the bottom plate 3.
Specifically, the outer shell 1 and the inner shell 4 are made of galvanized sheet metal materials.
Specifically, a metal film is sprayed on the inner part of each of the outer shell 1 and the inner shell 4 to serve as a shielding layer.
Specifically, the terminal chamber 16 is an open cavity structure.
Specifically, the network interface 12 includes an optical fiber interface, an RJ45 network interface, and an RS485 interface.
Specifically, the inner shell 4 has a cubic structure.
Specifically, the insulating pad layer 17 is internally provided with a copper wire braid layer 18.
Furthermore, the copper wire braided layer 18 is formed by interweaving red copper wires, so that a weak current system and a strong current system are effectively isolated, and the electromagnetic interference on core circuit devices is further reduced.
The working principle is as follows: the utility model discloses an adopt shell 1 and inner shell 4 to keep apart each other, inner shell 4 and wiring room 16 keep apart each other, integrated circuit cabin 10 and strong current module cabin 11 keep apart each other "triple isolation" special construction design, it includes:
the first heavy isolation, namely the outer shell 1 and the inner shell 4 are isolated from each other, specifically, the outer shell 1 of the chassis is in a cube shape, the ventilation openings at two sides are all provided with a shade 14 to enhance the rainwater resistance of the chassis, the door 2 of the outer shell is opened to expose the structure in the chassis, the upper half part is provided with the inner shell 4 for protecting core circuit devices, the lower half part is provided with a wiring chamber 16 specially used for accommodating optical cables, network cables and cables, the top of the chassis is provided with a cooling fan 5, the cooling fan 5 is fixedly connected with an opening arranged at the top end of the inner shell 4, the temperature of the core circuit devices of the inner shell 4 can be effectively prevented from being overhigh, the left side of the outer shell 1 is provided with an antenna interface 6 which can be externally connected, the bottom of the outer shell 1 of the chassis is provided with a wire inlet 7, external wiring materials such as the cables, the optical cables and the like enter the chassis, and can prevent the inside of the steel pipe from being accidentally damaged when the constructor installs and maintains the steel pipe.
The second re-isolation, i.e. the isolation of the inner housing 4 from the wiring chamber 16, is specifically: the inner shell 4 is a closed structure and is arranged on the bottom plate 3, the inner shell does not need to be opened during daily installation and maintenance, a network interface 12 arranged on the left side of the bottom of the inner shell 4 and an output power supply interface 13 on the right side are connected with a wiring chamber 16, the wiring chamber 16 is an open cavity structure, so that the cable plugging operation during construction and maintenance is facilitated, the network interface 12 and the output power supply interface 13 are arranged at the top, the network interface and the output power supply interface can be functionally and naturally partitioned into a reasonable layout of supplying power to the left side and the right side of a network, the cable wiring box 8 for wiring is conveniently installed and expanded on the bottom plate 3, the core electrical device and a peripheral wiring area are effectively partitioned, the core device can be prevented from being mistakenly touched by constructors during wiring operation to cause equipment damage, and the power device can be sealed and stored to prevent personnel from electric shock.
The third triple isolation, i.e. the isolation between the integrated circuit compartment 10 and the heavy current module compartment 11, is specifically: the inner shell 4 is divided into a double-layer structure of an integrated circuit cabin 10 and a strong current module cabin 11 by an isolation cushion layer 17, an integrated circuit board 9 is arranged in the integrated circuit cabin 10, a network interface 12 arranged on the left side of the integrated circuit board 9 provides an optical fiber interface, an RJ45 network interface and an RS485 interface, an output power supply interface 13 arranged on the right side of the integrated circuit board provides a direct current output power supply interface and an alternating current output power supply interface, a power switch 15 arranged inside the strong current module cabin 11 is fixed on the bottom plate 3, and the power switch 15 is responsible for providing pure and stable power supply for the system, so that the weak current system is effectively isolated from the strong current system, and the electromagnetic interference to core circuit devices is.
The utility model realizes effective separation of the external field environment and the internal field environment by adopting the special structure design of 'triple separation' that the outer shell 1 and the inner shell 4 are separated from each other, the inner shell 4 and the wiring chamber 16 are separated from each other, and the integrated circuit chamber 10 and the strong current module chamber 11 are separated from each other, reduces the electromagnetic interference of harmful factors such as external electromagnetic radiation, electromagnetic pulse, earth potential abnormity, lightning impulse, electrostatic induction, electric arc, strong load current impulse, power harmonic wave, high-frequency electric noise and the like to the box body, effectively separates the core electrical appliance device from the peripheral wiring area, can prevent the equipment damage caused by mistaken collision of the core device during wiring operation of constructors, and can seal the electric appliance to prevent the electric shock of the constructors, by isolating the integrated circuit cabin from the strong current module cabin, the weak current system and the strong current system are effectively isolated, and electromagnetic interference of strong current to weak current is reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (8)

1. The utility model provides a prevent strong and weak anti-interference supervision incasement portion isolation structure of electricity, includes shell (1), shell door case (2), inner shell (4), its characterized in that:
the shell door box (2) is connected with the shell (1) in a hinged mode;
an antenna interface (6) is arranged on the left side of the shell (1);
the right two sides of the shell (1) are provided with corresponding shades (14);
the bottom end of the shell (1) is provided with a wire inlet hole (7);
a wiring chamber (16) is arranged above the wire inlet hole (7);
a bottom plate (3) is welded in the shell (1);
an inner shell (4) is arranged above the bottom plate (3), and a cable junction box (8) is arranged on the bottom plate (3);
the top end of the inner shell (4) is provided with an opening which is fixedly connected with the cooling fan (5);
an isolation cushion layer (17) is arranged in the inner shell (4), and the isolation cushion layer (17) divides the inner shell (4) into an integrated circuit cabin (10) and a strong current module cabin (11);
an integrated circuit board (9) is arranged in the integrated circuit cabin (10), and a network interface (12) and an output power supply interface (13) are arranged on the integrated circuit board (9);
a power switch (15) is arranged inside the strong current module cabin (11), and the power switch (15) is fixedly connected with the bottom plate (3).
2. The internal isolation structure of the supervision box for preventing strong and weak electricity from interference according to claim 1, wherein: the outer shell (1) and the inner shell (4) are made of galvanized sheet metal materials.
3. The internal isolation structure of the supervision box for preventing strong and weak electricity from interference according to claim 1, wherein: and a layer of metal film is sprayed inside the outer shell (1) and the inner shell (4) to serve as a shielding layer.
4. The internal isolation structure of the supervision box for preventing strong and weak electricity from interference according to claim 1, wherein: the wiring chamber (16) is of an open cavity structure.
5. The internal isolation structure of the supervision box for preventing strong and weak electricity from interference according to claim 1, wherein: the network interface (12) comprises an optical fiber interface, an RJ45 network interface and an RS485 interface.
6. The internal isolation structure of the supervision box for preventing strong and weak electricity from interference according to claim 1, wherein: the inner shell (4) is of a cubic structure.
7. The internal isolation structure of the supervision box for preventing strong and weak electricity from interference according to claim 1, wherein: and a copper wire braided layer (18) is arranged in the isolation cushion layer (17).
8. The internal isolation structure of the supervision box for preventing strong and weak electricity from being interfered with according to claim 7, wherein: the copper wire braided layer (18) is formed by interweaving red copper wires.
CN201921032233.4U 2019-07-04 2019-07-04 Prevent strong and weak anti-interference supervision incasement portion isolation structure of electricity Active CN210579626U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921032233.4U CN210579626U (en) 2019-07-04 2019-07-04 Prevent strong and weak anti-interference supervision incasement portion isolation structure of electricity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921032233.4U CN210579626U (en) 2019-07-04 2019-07-04 Prevent strong and weak anti-interference supervision incasement portion isolation structure of electricity

Publications (1)

Publication Number Publication Date
CN210579626U true CN210579626U (en) 2020-05-19

Family

ID=70645448

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921032233.4U Active CN210579626U (en) 2019-07-04 2019-07-04 Prevent strong and weak anti-interference supervision incasement portion isolation structure of electricity

Country Status (1)

Country Link
CN (1) CN210579626U (en)

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