CN220545027U - Flame-proof and An Xingmo megaswitch and system - Google Patents
Flame-proof and An Xingmo megaswitch and system Download PDFInfo
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- CN220545027U CN220545027U CN202322101888.5U CN202322101888U CN220545027U CN 220545027 U CN220545027 U CN 220545027U CN 202322101888 U CN202322101888 U CN 202322101888U CN 220545027 U CN220545027 U CN 220545027U
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- 238000000926 separation method Methods 0.000 claims abstract description 10
- 238000002955 isolation Methods 0.000 claims description 64
- 238000010586 diagram Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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Abstract
The utility model discloses an explosion-proof and An Xingmo megaswitch and a system, comprising a shell, wherein a first explosion-proof cavity and a second explosion-proof cavity are arranged in the shell; a switch component is arranged in the first explosion-proof cavity, and a battery component is arranged in the second explosion-proof cavity; a separation plate is arranged between the first explosion-proof cavity and the second explosion-proof cavity, and a through-wall wiring terminal is arranged on the separation plate; the battery assembly and the switch assembly are connected with the through-wall wiring terminal. The battery assembly is arranged in the switch, the switch is convenient to install and use, the switch assembly and the battery assembly are reasonably arranged in the shell, and the whole volume of the switch is reduced on the basis of meeting the use requirement.
Description
Technical Field
The utility model relates to the technical field of switches, in particular to an explosion-proof An Xingmo megaswitch and a system.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
With the gradual establishment of intelligent mines, the traditional gigabit exchanger cannot meet the bandwidth requirement of the underground main network of the coal mine, and the explosion-proof and An Xingmo megaexchanger appears to meet the bandwidth requirement of the underground main network of the coal mine, and most of the existing explosion-proof and An Xingmo megaexchanger adopts 1U rack-type exchanger, so that the whole equipment is large in size, heavy in weight and inconvenient to install; meanwhile, when the An Xingmo megaswitch is used, the mining flameproof and intrinsically safe uninterruptible power supply is required to be equipped for simultaneous use, and the equipment quantity is increased, so that the installation is complex and the cost is high.
Disclosure of Invention
In order to solve the problems, the utility model provides an explosion-proof An Xingmo megaswitch and a system, wherein the switch comprises a battery assembly, so that the switch is convenient to install and use, and the switch assembly and the battery assembly are reasonably arranged in a shell, so that the whole volume of the switch is reduced on the basis of meeting the use requirement.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in a first aspect, an explosion-proof and An Xingmo megaswitch is provided, which comprises a shell, wherein a first explosion-proof cavity and a second explosion-proof cavity are arranged in the shell; a switch component is arranged in the first explosion-proof cavity, and a battery component is arranged in the second explosion-proof cavity; a separation plate is arranged between the first explosion-proof cavity and the second explosion-proof cavity, and a through-wall wiring terminal is arranged on the separation plate; the battery assembly and the switch assembly are connected with the through-wall wiring terminal.
Further, the battery assembly is connected with a battery power-off device, and the battery power-off device is arranged on the shell.
Further, the switch assembly comprises a power supply assembly, a switch module and an isolation circuit; the battery assembly is connected with the power supply assembly; the power supply component is respectively connected with the switch module and the isolation circuit; the isolation circuit is connected with the switch module.
Further, the power supply component and the switch module are respectively positioned at two ends of the first explosion-proof cavity, and the power supply component is positioned at one end close to the isolation plate; the isolation circuit is arranged at the bottom of the first explosion-proof cavity.
Further, the power supply assembly comprises a power supply, a CAN (controller area network) switching module and a ModBus gateway; the battery component is connected with a power supply; the power supply is connected with the CAN switching module, the ModBus gateway, the switch module and the isolation circuit; the CAN switching module is connected with the isolation circuit and the switch module; the ModBus gateway is connected with the isolation circuit and the switch module.
Further, the power supply and the CAN transfer module are positioned at the upper part of the first explosion-proof cavity; the ModBus gateway is positioned at the lower part of the first explosion-proof cavity.
Further, the power supply and the ModBus gateway are connected with the shell, and the CAN transfer network module is stacked on the power supply.
Further, the housing is provided with a mounting hole.
Further, the housing is also connected to the legs.
In a second aspect, an explosion-proof and An Xingmo megaswitch system is provided, which includes the explosion-proof and An Xingmo megaswitch system provided in the first aspect.
Compared with the prior art, the utility model has the beneficial effects that:
1. the switch provided by the utility model comprises the battery assembly, is convenient to install and use, and the switch assembly and the battery assembly are reasonably arranged in the shell, so that the whole volume of the switch is reduced on the basis of meeting the use requirement.
2. According to the utility model, the battery assembly and the switch assembly are respectively placed in the second explosion-proof cavity and the first explosion-proof cavity, and the two cavities are separated by the separation plate, so that the requirement of the switch for being used in isolation from the battery is met.
3. The power supply assembly and the exchanger module are respectively arranged at two ends of a first explosion-proof cavity, the power supply assembly is positioned at one end close to the isolation plate, the isolation circuit is arranged at the bottom of the first explosion-proof cavity, the power supply and the CAN switching module are arranged at the upper part of the first explosion-proof cavity, and the ModBus gateway is arranged at the lower part of the first explosion-proof cavity; and the CAN conversion module and the power supply are overlapped, and the volume of the switch is reduced as much as possible through reasonable layout of the modules.
Additional aspects of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application.
FIG. 1 is a schematic diagram of the switch disclosed in example 1;
fig. 2 is an electrical block diagram of the switch disclosed in embodiment 1;
fig. 3 is a whole appearance diagram of the switch disclosed in embodiment 1;
fig. 4 is a diagram of the interior of a first flameproof cavity of the switch disclosed in embodiment 1;
FIG. 5 is a circuit diagram of a network isolation circuit disclosed in example 1;
fig. 6 is a functional partition and port diagram of the isolation circuit disclosed in embodiment 1.
Wherein: 1. the device comprises a shell, 2, a mounting hole, 3, an observation window, 4, support legs, 5, an introduction device, 6, a battery power-off device, 7, a crimping stud, 8, a switch module, 9, a first explosion-proof cavity, 10, a CAN (controller area network) switching module, 11, a power supply, 12, a ModBus gateway, 13, a through-wall terminal hole, 14, a second explosion-proof cavity, 15 and an isolation circuit.
The specific embodiment is as follows:
the utility model will be further described with reference to the drawings and examples.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present utility model, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. refer to an orientation or a positional relationship based on that shown in the drawings, and are merely relational terms, which are used for convenience in describing structural relationships of various components or elements of the present utility model, and do not denote any one of the components or elements of the present utility model, and are not to be construed as limiting the present utility model.
Example 1
In the embodiment, an explosion-proof and An Xingmo megaswitch is disclosed, as shown in fig. 1-5, and comprises a shell 1, wherein a first explosion-proof cavity 9 and a second explosion-proof cavity 14 are arranged in the shell 1; a switch component is arranged in the first explosion-proof cavity 9, and a battery component is arranged in the second explosion-proof cavity 14; a separation plate is arranged between the first explosion-proof cavity and the second explosion-proof cavity, and a through-wall wiring terminal is arranged on the separation plate; the battery assembly and the switch assembly are connected with the through-wall wiring terminal.
According to the embodiment, the switch component and the battery component are respectively arranged in the first explosion-proof cavity and the second explosion-proof cavity, and the two cavities are separated through the separation plate, so that the requirement that the switch needs to be separated from the battery for use is met.
The partition plate is provided with a through-wall terminal hole 13, the through-wall terminal is arranged in the through-wall terminal hole 13, and the battery assembly and the switch assembly are connected with the through-wall terminal, so that the connection between the battery assembly and the switch assembly is realized.
The battery pack is connected with the battery power-off device 6, preferably, the battery power-off device 6 is arranged on a connecting circuit of the battery pack and the switch pack, the battery power-off device 6 is arranged on the shell 1, so that the battery pack is conveniently powered off through the battery power-off device 6, and power supply to the switch pack is stopped.
Preferably, the battery power-off device 6 is an MK-WK5 switch, and the switch meets the I-type explosion-proof requirement.
The switch assembly comprises a power supply assembly, a switch module 8 and an isolation circuit 15; the battery assembly is connected with the power supply assembly; the power supply component is respectively connected with the switch module 8 and the isolation circuit 15; the isolation circuit 15 is also connected to the switch module 8. The battery assembly supplies power to the switch module 8 and the isolation circuit 15 through the power assembly, and the power assembly can also charge the battery assembly; the power supply assembly and the switch module 8 of this embodiment both output non-safety signals, and the isolation circuit 15 is connected with the switch module 8, so that the non-safety signals output by the switch module 8 can be converted into intrinsic safety signals for output.
In order to reduce the volume of the switch as much as possible, in this embodiment, the power supply component and the switch module 8 are respectively located at two ends of the first explosion-proof cavity 9, and the power supply component is located at one end of the first explosion-proof cavity 9 close to the isolation board, so that the power supply component can be connected with the battery component nearby through the through-wall connection terminal, and charge and discharge management of the battery component is realized; the isolation circuit 15 is disposed at the bottom of the first flameproof cavity.
Specifically, the power supply assembly comprises a power supply 11, a CAN (controller area network) switching module 10 and a ModBus gateway 12; the battery assembly is connected with a power supply 11; the power supply 11 is connected with the CAN switching module 10, the ModBus gateway 12, the switch module 8 and the isolation circuit 15; the CAN transfer module 10 is connected with the isolation circuit 15 and the switch module 8; the ModBus gateway 12 is connected to both the isolation circuit 15 and the switch module 8.
The power supply 11 and the CAN rotating network module 10 are positioned at the upper part of the first explosion-proof cavity 9; the ModBus gateway 12 is positioned at the lower part of the first explosion-proof cavity 9; the power supply 11 and the ModBus gateway 12 are connected with the shell 1, and the CAN network conversion module 10 is stacked on the power supply 11.
According to the embodiment, the switch module, the CAN switching module and the ModBus gateway are compactly installed, so that the connection of a power supply line is more convenient, and the occupied space is further reduced.
The switch module, the CAN switching module and the ModBus gateway are all non-installation designs, non-installation signals are output, and the switch module, the CAN switching module and the ModBus gateway are connected with the isolation circuit, so that the non-installation signals CAN be converted into intrinsic safety signals through the isolation circuit to be output.
In order to reduce the switch volume, install isolation circuit tiling in the shell bottom, and isolation circuit's left side is this An Jiekou, and the right side is the non-safety interface, isolation circuit is through keeping apart and adding the form of protection with non-safety signal conversion to the intrinsically safe signal, then export the intrinsically safe signal to equipment outside, and in order to satisfy electric gap and creepage distance's requirement, set up isolation circuit's intrinsically safe interface and switch module, CAN changes the clearance that has the settlement distance between the non-safety interface such as net module and Modbus gateway, consequently install isolation circuit in the shell bottom, install switch module in shell upper portion as far as possible under the condition that does not influence the wiring.
Preferably, the switch module adopts ICS6420-8GT8GS4XS-2P48 switch, and the set distance should not be less than 50mm.
The isolation circuit is shown in fig. 6 and comprises a power isolation circuit, a CAN isolation circuit, a 485 signal isolation circuit and a network isolation circuit. Wherein, the gray thick line in fig. 6 is the functional area dividing line, and the line is not in the actual circuit; the port labels of the isolation circuits are shown on both sides in fig. 6.
The power supply 11 is connected with the power supply isolation circuit through an XS7 port, the power supply isolation circuit converts the non-safety electric energy output by the power supply 11 into intrinsic safety electric energy to output, and the output intrinsic safety electric energy is used for supplying power to the CAN isolation circuit and the 485 signal isolation circuit.
The CAN conversion module is connected with the CAN isolation circuit through an XS4 port, the CAN isolation circuit converts the non-safety CAN signal output by the CAN conversion module into an intrinsic safety CAN signal, and the intrinsic safety CAN signal is output through an XS3 port.
The switch module is connected with the network isolation circuit through ports XS9, XS10 and XS13, the network isolation circuit converts the non-safety network signals output by the switch module into intrinsic safety network signals, and the intrinsic safety network signals are output through ports XS11, XS12 and XS 5.
The ModBus gateway is connected with a 485 signal isolation circuit through an XS1 port, the 485 signal isolation circuit converts a non-safety 485 signal output by the ModBus gateway into an intrinsic safety 485 signal, and the intrinsic safety 485 signal is output through an XS 2.
As shown in fig. 5, the network isolation circuit includes an isolation transformer, a voltage limiting circuit, and a current limiting resistor; the input end of the isolation transformer is connected with the non-safety interface of the switch module, each output end of the isolation transformer is connected with a voltage limiting circuit, the voltage limiting circuit is connected with one end of a current limiting resistor, and the other end of the current limiting resistor is connected with the intrinsic safety interface.
The voltage limiting circuit comprises two TVS tubes which are connected in parallel, the two TVS tubes are connected with the output end of the isolation transformer after being connected in parallel, and double-way overvoltage protection is realized through the two TVS tubes. The two ends of the voltage limiting circuit formed by connecting the two TVS tubes in parallel are also respectively connected with a current limiting resistor, and the free end of the current limiting resistor is connected with an intrinsic safety interface of the isolation circuit.
Preferably, the isolation transformer adopts an HST-24002 network isolation transformer, and the leakage current of the transformer is less than 1mA and is far less than the 5mA standard required by the industry in a withstand voltage test of bearing alternating current 1500V for 1 minute.
The TVS tube adopts a bidirectional clamping tube BV03CW, the maximum clamping voltage is 3.3V, which is larger than the transmission voltage of 1.8-2.5V of the network electric port, and has no influence on the signal peak value. The ultra low 0.6pF junction capacitance does not substantially attenuate network signaling.
And current limiting resistors such as resistors R73 and R79 are respectively connected in series at two ends of each voltage limiting circuit. The resistance value of the current limiting resistor is preferably 10Ω, the highest value of the signal output by the isolation transformer is 3.3V after the signal is clamped by BV03CW, and the 3.3V voltage can flow through the two current limiting resistors under the assumption that the later stage load is short-circuited, and at the moment, the current io=3.3/20=0.165A. The low voltage and the small current are enough to ensure the safety of the post-stage intrinsic safety interface.
The shell of the embodiment is further provided with 12 introducing devices 5, wherein the left side of the shell is provided with 8 introducing devices, five of the 8 introducing devices are respectively used for being connected with ports of XS11, XS12, XS5, XS2 and XS3, for outputting intrinsic safety signals outwards, and the other 3 introducing devices are used for standby. The right side of the shell is provided with 4 introducing devices, and the 4 introducing devices are respectively connected with the power supply, the switch module, the CAN switching module and the input ports of the ModBus gateway and used for introducing non-safety signals. A crimp stud 7 is provided alongside each lead-in device for crimping the armoured net or wire of the cable or cable against loosening.
In order to facilitate installation, the switch disclosed in this embodiment is provided with a mounting hole 2 on the housing, and the housing is further connected with the support leg 4. When the service environment is harsh, the switch is hung on the wall through the mounting holes 2, and when the service environment is better, the switch is placed on the ground through the supporting legs 4.
The embodiment discloses a flame proof and this An Xingmo megaswitch has set up battery pack in the inside, and easy to assemble uses, and with switch subassembly and battery pack rational arrangement in the shell, on satisfying the basis of operation requirement, reduces the whole volume of switch.
Example 2
In this example, an explosion-proof and own An Xingmo megaswitch system is disclosed, including an explosion-proof and own An Xingmo megaswitch system disclosed in example 1.
The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.
Claims (9)
1. The flame-proof and An Xingmo megaswitch is characterized by comprising a shell, wherein a first flame-proof cavity and a second flame-proof cavity are arranged in the shell; a switch component is arranged in the first explosion-proof cavity, and a battery component is arranged in the second explosion-proof cavity; a separation plate is arranged between the first explosion-proof cavity and the second explosion-proof cavity, and a through-wall wiring terminal is arranged on the separation plate; the battery assembly and the switch assembly are connected with the through-wall wiring terminal;
the battery pack is connected with a battery power-off device which is arranged on the shell.
2. The explosion-proof and self-An Xingmo megaswitch as set forth in claim 1, wherein the switch assembly comprises a power supply assembly, a switch module and an isolation circuit; the battery assembly is connected with the power supply assembly; the power supply component is respectively connected with the switch module and the isolation circuit; the isolation circuit is connected with the switch module.
3. The explosion-proof and self-An Xingmo megaswitch as set forth in claim 2, wherein the power supply assembly and the switch module are respectively positioned at two ends of the first explosion-proof cavity, and the power supply assembly is positioned at one end close to the isolation plate; the isolation circuit is arranged at the bottom of the first explosion-proof cavity.
4. The flameproof and self-An Xingmo megaswitch of claim 2 wherein the power supply assembly comprises a power supply, a CAN-to-network module and a ModBus gateway; the battery component is connected with a power supply; the power supply is connected with the CAN switching module, the ModBus gateway, the switch module and the isolation circuit; the CAN switching module is connected with the isolation circuit and the switch module; the ModBus gateway is connected with the isolation circuit and the switch module.
5. The explosion-proof and self-An Xingmo megaswitch as set forth in claim 4, wherein the power supply and CAN network module are located at the upper part of the first explosion-proof cavity; the ModBus gateway is positioned at the lower part of the first explosion-proof cavity.
6. The explosion-proof and self-An Xingmo megaswitch as claimed in claim 4, wherein the power supply and the ModBus gateway are connected with the shell, and the CAN network module is stacked on the power supply.
7. The explosion-proof and self-An Xingmo megaswitch as claimed in claim 1, wherein the housing is provided with mounting holes.
8. A flameproof and self-An Xingmo megaswitch as in claim 1 wherein the housing is further connected to the legs.
9. An explosion-proof and local An Xingmo megaswitch system, comprising the explosion-proof and local An Xingmo megaswitch of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322101888.5U CN220545027U (en) | 2023-08-04 | 2023-08-04 | Flame-proof and An Xingmo megaswitch and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322101888.5U CN220545027U (en) | 2023-08-04 | 2023-08-04 | Flame-proof and An Xingmo megaswitch and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220545027U true CN220545027U (en) | 2024-02-27 |
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ID=89964219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322101888.5U Active CN220545027U (en) | 2023-08-04 | 2023-08-04 | Flame-proof and An Xingmo megaswitch and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220545027U (en) |
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2023
- 2023-08-04 CN CN202322101888.5U patent/CN220545027U/en active Active
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