CN215213603U - Mining intrinsic safety type monitoring substation - Google Patents
Mining intrinsic safety type monitoring substation Download PDFInfo
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- CN215213603U CN215213603U CN202121028715.XU CN202121028715U CN215213603U CN 215213603 U CN215213603 U CN 215213603U CN 202121028715 U CN202121028715 U CN 202121028715U CN 215213603 U CN215213603 U CN 215213603U
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Abstract
The utility model relates to a mining intrinsic safety type monitoring substation, which comprises a box body, wherein the outer side wall of the box body is provided with a display screen, and an electric control assembly connected with the display screen is arranged in the box body; the electronic control assembly comprises a mainboard and a photoelectric module, a CPU core board is arranged on the mainboard, the CPU core board is connected with both the display screen and the photoelectric module, and the photoelectric module is connected with the mainboard; the CPU core board is provided with a plurality of core board interfaces, and the mainboard is provided with a plurality of functional interfaces. The utility model discloses there is multichannel communication circuit's interface, every sweetgum fruit communication circuit Can connect many sensors, cooperates simultaneously and passes through Can ethernet light mouthful dual communication with the switch, has promoted the transmission distance of substation greatly, has enlarged the coverage of substation in the colliery application, reduces colliery safety monitoring system cost.
Description
Technical Field
The utility model belongs to the technical field of colliery safety monitoring system, concretely relates to mining ann's type control substation.
Background
At present, the monitoring substation based on the existing coal mine mainly adopts frequency analog signal transmission, and has few control paths and high relative cost. Firstly, because the frequency signal substation processing speed is low, the frequency signal transmission anti-jamming capability is poor, the transmission is unstable, the substation is easy to generate false alarm and missing report, and the actual monitoring efficiency of a safety monitoring system is low; secondly, the number of control paths of the substations for transmitting the frequency signals is small, and the number of sensors which can be connected simultaneously is small; the efficiency is relatively low, and the cost of the substation is relatively high; the transmission distance of the outstation for frequency signal transmission is shorter and is generally within 2 KM.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a mining ann's type control substation, concrete scheme is as follows:
the box body is provided with a display screen on the outer side wall, and an electric control assembly connected with the display screen is arranged in the box body; the electronic control assembly comprises a mainboard and a photoelectric module, a CPU core board is arranged on the mainboard, the CPU core board is connected with the display screen and the photoelectric module, and the photoelectric module is connected with the mainboard; the CPU core board is provided with a plurality of core board interfaces, and the mainboard is provided with a plurality of functional interfaces.
Further, the core board interface includes network card interfaces X1 and X2 and a display screen interface X3, the network card interfaces X1 and X2 are used for being connected with the optoelectronic module through a network cable, and the display screen is connected with the display screen interface X3 through a cable;
a plurality of function interfaces include communication circuit interface X4, pull out plug-in binding post X5, row needle interface X6 and power supply interface X7, communication circuit interface X4 is connected with communication circuit, pull out plug-in binding post X5 and be used for realizing electrical connection, row needle interface X6 be used for connection director with communication circuit, photoelectric module pass through the electric wire with power supply interface X7 connects.
Further, the communication circuit comprises a communication chip N1, the first pin and the second pin of the communication chip N1 are connected with an anti-jamming circuit, the third pin, the fourth pin and the fifth pin of the communication chip N1 are used for connecting a sensor, and the eighth pin and the ninth pin of the communication chip N1 are used for connecting a protocol bus.
Further, the anti-jamming circuit comprises a first magnetic bead L1 and a second magnetic bead L2, a first pin of the communication chip N1 is connected with the first magnetic bead L1 and then is connected with the power supply, a second pin of the communication chip N1 is connected with the second magnetic bead L2 and then is connected with the ground, and a first capacitor C1 and a second capacitor C2 which are connected in parallel are further connected between the first pin and the second pin of the communication chip N1.
Further, a switch circuit and a protection circuit are further arranged between the communication chip N1 and the protocol bus, the switch circuit includes a switch S1 and a first resistor R1, and the switch S1 and the first resistor R1 are connected in series and then connected in parallel between an eighth pin and a ninth pin of the communication chip N1;
the protection circuit comprises a second resistor R2 and a third resistor R3 which are respectively connected with an eighth pin and a ninth pin of the communication chip N1, the second resistor R2 is sequentially connected with a third magnetic bead L3 and a first fuse F1 in series, and the third resistor R3 is sequentially connected with a fourth magnetic bead L4 and a second fuse F2 in series; a first TVS diode VD1 and a second TVS diode VD2 are connected in parallel between the first fuse F1 and the second fuse F2; the fuse also comprises a first voltage stabilizing diode D1, a second voltage stabilizing diode D2, a third voltage stabilizing diode D3 and a fourth voltage stabilizing diode D4, wherein the first voltage stabilizing diode D1 and the third voltage stabilizing diode D3 are connected in series and then connected in parallel between the first fuse F1 and the second fuse F2, and the second voltage stabilizing diode D2 and the fourth voltage stabilizing diode D4 are connected in series and then connected in parallel between the first fuse F1 and the second fuse F2.
Furthermore, the photoelectric module comprises a switch module, the input end of the switch module is connected with a plurality of Ethernet connectors through a network transformer, and the output end of the switch module is connected with an optical fiber; the switch module is also connected with an indicator light circuit and a power module.
The beneficial effects of the utility model reside in that: the utility model provides a mining ann's type control substation has multichannel communication circuit's interface, and every sweetgum fruit communication circuit Can connect many sensors, cooperates simultaneously and passes through Can ethernet light mouthful dual communication with the switch, has promoted the transmission distance of substation greatly, has enlarged the coverage of substation in the colliery application, reduces colliery safety monitoring system cost.
Drawings
FIG. 1 is a schematic view of the connection of the present invention,
fig. 2 is a circuit diagram of the network card interface X1 of the present invention,
fig. 3 is a circuit diagram of the network card interface X2 of the present invention,
fig. 4 is a circuit diagram of the display interface X3 of the present invention,
fig. 5 is a circuit diagram of the communication circuit interface X4 of the present invention,
FIG. 6 is a circuit diagram of a plug-in type X5 terminal of the present invention,
fig. 7 is a circuit diagram of the pin header X6 of the present invention,
fig. 8 is a circuit diagram of the power supply interface X7 of the present invention,
fig. 9 is a circuit diagram of the communication circuit of the present invention.
Figure number and name: 1. display screen, 2, mainboard, 21, CPU core board, 3, photovoltaic module, 31, switch module, 32, network transformer, 33, Ethernet connector, 34, optic fibre, 35, pilot lamp circuit, 36, power module.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, which are provided only for explaining the present invention and are not intended to limit the scope of the present invention.
A mining intrinsic safety type monitoring substation comprises a box body (not shown in the attached drawing), wherein a display screen 1 is arranged on the outer side wall of the box body, and an electric control assembly connected with the display screen 1 is arranged in the box body; as shown in fig. 1, the electronic control assembly includes a motherboard 2 and a photovoltaic module 3, a CPU core board 21 is loaded on the motherboard 2, the CPU core board 21 is connected to both the display screen 1 and the photovoltaic module 3, and the photovoltaic module 3 is connected to the motherboard 2; the CPU core board 21 is provided with a plurality of core board interfaces, and the main board 2 is provided with a plurality of functional interfaces.
The core board interface comprises a network card interface X1 (shown in FIG. 2), an X2 (shown in FIG. 3) and a display screen interface X3 (shown in FIG. 4), the network card interface X1 and the X2 are used for being connected with the photoelectric module 3 through a network cable, and the display screen 1 is connected with the display screen interface X3 through a cable;
the plurality of functional interfaces comprise a communication circuit interface X4 (figure 5), a plug-in wiring terminal X5 (figure 6), a pin header interface X6 (figure 7) and a power supply interface X7 (figure 8), the communication circuit interface X4 is connected with a communication circuit, the plug-in wiring terminal X5 is used for realizing electrical connection, the pin header interface X6 is used for connecting a controller and the communication circuit, and the photoelectric module is connected with the power supply interface X7 through an electric wire.
Referring to fig. 9, the communication circuit includes a communication chip N1, the first pin and the second pin of the communication chip N1 are connected with an anti-jamming circuit, the third pin, the fourth pin and the fifth pin of the communication chip N1 are used for connecting a sensor, and the eighth pin and the ninth pin of the communication chip N1 are used for connecting a protocol bus.
The anti-interference circuit comprises a first magnetic bead L1 and a second magnetic bead L2, a first pin of the communication chip N1 is connected with the first magnetic bead L1 and then is connected with the power supply, a second pin of the communication chip N1 is connected with the second magnetic bead L2 and then is connected with the ground, and a first capacitor C1 and a second capacitor C2 which are connected in parallel are further connected between the first pin and the second pin of the communication chip N1.
A switch circuit and a protection circuit are further arranged between the communication chip N1 and the protocol bus, the switch circuit comprises a switch S1 and a first resistor R1, and the switch S1 and the first resistor R1 are connected in series and then connected in parallel between the eighth pin and the ninth pin of the communication chip N1;
the protection circuit comprises a second resistor R2 and a third resistor R3 which are respectively connected with an eighth pin and a ninth pin of the communication chip N1, the second resistor R2 is sequentially connected with a third magnetic bead L3 and a first fuse F1 in series, and the third resistor R3 is sequentially connected with a fourth magnetic bead L4 and a second fuse F2 in series; a first TVS diode VD1 and a second TVS diode VD2 are connected in parallel between the first fuse F1 and the second fuse F2; the fuse also comprises a first voltage-stabilizing diode D1, a second voltage-stabilizing diode D2, a third voltage-stabilizing diode D3 and a fourth voltage-stabilizing diode D4, wherein the first voltage-stabilizing diode D1 and the third voltage-stabilizing diode D3 are connected in series and then connected in parallel between a first fuse F1 and a second fuse F2, and the second voltage-stabilizing diode D2 and the fourth voltage-stabilizing diode D4 are connected in series and then connected in parallel between the first fuse F1 and a second fuse F2.
The photoelectric module 3 comprises a switch module 31, the input end of the switch module 31 is connected with a plurality of Ethernet connectors 33 through a network transformer 32, and the output end of the switch module 31 is connected with an optical fiber 34; the switch module 31 is also connected with an indicator light circuit 35 and a power supply module 36.
According to the method, the CAN/Ethernet optical digital signals are transmitted with the switch/transmission interface, and the 485/CAN/Ethernet optical full-number signals are transmitted, so that the problems of misinformation and missing report of original frequency signal transmission are basically eliminated, and the method is more stable and reliable.
In the embodiment, the communication circuit comprises 8 paths, each path of communication circuit can be connected with 3 sensors, and at most 24 sensors can be connected to communicate with the sensors by adopting RS 485; meanwhile, the CAN/Ethernet optical port dual-communication is carried out with the switchboard, the transmission distance is ensured, namely the maximum distance of Can digital signal transmission is 5KM, the Ethernet optical port is matched with the switchboard for signal transmission, and the transmission distance is more than 10 KM.
In summary, the preferred embodiments of the present invention are only examples, and the scope of the present invention is not limited thereto, and all equivalent changes and modifications made in accordance with the scope of the present invention and the contents of the specification are within the scope covered by the present invention.
Claims (6)
1. Mining ann's type control substation, including the box, its characterized in that: the outer side wall of the box body is provided with a display screen (1), and an electric control assembly connected with the display screen (1) is arranged in the box body; the electronic control assembly comprises a mainboard (2) and a photoelectric module (3), a CPU core board (21) is arranged on the mainboard (2), the CPU core board (21) is connected with the display screen (1) and the photoelectric module (3), and the photoelectric module (3) is connected with the mainboard (2); the CPU core board (21) is provided with a plurality of core board interfaces, and the mainboard (2) is provided with a plurality of functional interfaces.
2. The mining intrinsically safe monitoring substation of claim 1, characterized in that: the core board interface comprises network card interfaces X1 and X2 and a display screen interface X3, the network card interfaces X1 and X2 are used for being connected with the photoelectric module (3) through network cables, and the display screen (1) is connected with the display screen interface X3 through cables;
a plurality of function interfaces include communication circuit interface X4, pull out plug-in binding post X5, row needle interface X6 and power supply interface X7, communication circuit interface X4 is connected with communication circuit, pull out plug-in binding post X5 and be used for realizing electrical connection, row needle interface X6 be used for connection director with communication circuit, photoelectric module pass through the electric wire with power supply interface X7 connects.
3. The mining intrinsically safe monitoring substation of claim 2, wherein: the communication circuit comprises a communication chip N1, wherein an anti-interference circuit is connected to a first pin and a second pin of the communication chip N1, a third pin, a fourth pin and a fifth pin of the communication chip N1 are used for connecting a sensor, and an eighth pin and a ninth pin of the communication chip N1 are used for connecting a protocol bus.
4. The mining intrinsically safe monitoring substation of claim 3, wherein: the anti-jamming circuit comprises a first magnetic bead L1 and a second magnetic bead L2, a first pin of the communication chip N1 is connected with the first magnetic bead L1 and then is connected with the power supply, a second pin of the communication chip N1 is connected with the second magnetic bead L2 and then is connected with the ground, and a first capacitor C1 and a second capacitor C2 which are connected in parallel are further connected between the first pin and the second pin of the communication chip N1.
5. The mining intrinsically safe monitoring substation of claim 4, wherein: a switch circuit and a protection circuit are further arranged between the communication chip N1 and the protocol bus, the switch circuit comprises a switch S1 and a first resistor R1, and the switch S1 and the first resistor R1 are connected in series and then connected in parallel between an eighth pin and a ninth pin of the communication chip N1;
the protection circuit comprises a second resistor R2 and a third resistor R3 which are respectively connected with an eighth pin and a ninth pin of the communication chip N1, the second resistor R2 is sequentially connected with a third magnetic bead L3 and a first fuse F1 in series, and the third resistor R3 is sequentially connected with a fourth magnetic bead L4 and a second fuse F2 in series; a first TVS diode VD1 and a second TVS diode VD2 are connected in parallel between the first fuse F1 and the second fuse F2; the fuse also comprises a first voltage stabilizing diode D1, a second voltage stabilizing diode D2, a third voltage stabilizing diode D3 and a fourth voltage stabilizing diode D4, wherein the first voltage stabilizing diode D1 and the third voltage stabilizing diode D3 are connected in series and then connected in parallel between the first fuse F1 and the second fuse F2, and the second voltage stabilizing diode D2 and the fourth voltage stabilizing diode D4 are connected in series and then connected in parallel between the first fuse F1 and the second fuse F2.
6. The mining intrinsically safe monitoring substation of claim 1, characterized in that: the photoelectric module (3) comprises a switch module (31), the input end of the switch module (31) is connected with a plurality of Ethernet connectors (33) through a network transformer (32), and the output end of the switch module (31) is connected with an optical fiber (34); the switch module (31) is also connected with an indicator light circuit (35) and a power supply module (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121028715.XU CN215213603U (en) | 2021-05-13 | 2021-05-13 | Mining intrinsic safety type monitoring substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121028715.XU CN215213603U (en) | 2021-05-13 | 2021-05-13 | Mining intrinsic safety type monitoring substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215213603U true CN215213603U (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121028715.XU Active CN215213603U (en) | 2021-05-13 | 2021-05-13 | Mining intrinsic safety type monitoring substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215213603U (en) |
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2021
- 2021-05-13 CN CN202121028715.XU patent/CN215213603U/en active Active
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