Dual-channel transmission monitoring system

Abstract

The utility model discloses a dual-channel transmission monitoring system, which comprises a server, a second switch, a third switch, a personal computer (PC) and an electric power monitoring substation, and a first switch, a first communication management machine and a second communication management machine are arranged in the electric power monitoring substation. Each of the first communication management machine and the second communication management machine comprises at least three LAN (Local Area Network) ports, a crystal head fixing mechanism is arranged at each LAN port, the first communication management machine and the second communication management machine are in communication connection with the first switch through the LAN ports, the first switch is in communication connection with the server through the second switch, and the server is in communication connection with the server through the second switch. The server is connected with the PC through the third switch, and hardware support is provided for data transmission and monitoring. Meanwhile, crystal head fixing mechanisms are arranged at the LANs of the first communication management machine and the second communication management machine, so that the problem that crystal heads are damaged due to the fact that an operator mistakenly touches a network cable is solved, and the situation of signal interruption is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of monitoring system, concretely relates to a monitoring system of double channel transmission. BACKGROUND

[0002] With the expansion of the scale of the coal mine substation and the increase of equipment, the existing substation communication port cannot meet the demand of the intelligent construction of the coal mine, that is, the existing substation port cannot meet the access of more new equipment, resulting in the limitation of data transmission and monitoring function, which affects the normal operation and safety monitoring of the coal mine production. In addition, with the increase of communication equipment, there are more communication lines in the power monitoring substation, which may cause the operator to mistakenly touch the network line and cause the damage of the crystal head, resulting in the problem of poor contact and signal interruption. CONTENT OF UTILITY MODEL

[0003] In order to solve the problem that the existing substation communication port cannot meet the access of more new equipment and the problem that the operator mistakenly touches the network line and causes the damage of the crystal head, the utility model provides a monitoring system of double channel transmission.

[0004] The specific scheme is as follows:

[0005] A monitoring system of double channel transmission, including server, second switch, third switch, PC computer and power monitoring substation, the first switch, the first communication management machine and the second communication management machine are arranged in the power monitoring substation, at least three LAN ports are included on the first communication management machine and the second communication management machine, the crystal head fixing mechanism is arranged at each LAN port, the first communication management machine and the second communication management machine are communicated and connected with the first switch through the LAN port, the first switch is communicated and connected with the server through the second switch, and the server is connected with the PC computer through the third switch.

[0006] The first terminal row and the second terminal row are arranged in the power monitoring substation, the LAN port on the first communication management machine is communicated and connected with the network port of the first switch through the first terminal row and the second terminal row, and the LAN port on the second communication management machine is communicated and connected with the network port of the first switch through the first terminal row and the second terminal row.

[0007] The third terminal row is arranged in the power monitoring substation, the DC24V power interface is arranged on the first communication management machine and the second communication management machine, and the first communication management machine and the second communication management machine are electrically connected with the third terminal row through the DC24V power interface.

[0008] The network line of the first switch network port is communicated and connected with the network line of the second switch network port, the second switch is communicated and connected with the server through the optical fiber, the server is connected with the third switch through the network line, and the third switch is communicated and connected with the PC computer through the network line.

[0009] The crystal head fixing mechanism comprises a rotating block and a round rod, one end of the round rod is fixedly connected with the bottom end of the LAN port, the other end of the round rod is rotationally connected with the rotating block, the top end of the rotating block is provided with a first limiting block and a second limiting block, the first limiting block and the second limiting block are fixedly arranged on the top of the rotating block in parallel, and the planes where the first limiting block and the second limiting block are located are parallel to the plane where the LAN port is located, and the distance between the first limiting block and the second limiting block is less than the width of the LAN port.

[0010] The length of the second limiting block is less than the length of the first limiting block, a sliding cylinder is arranged on the second limiting block, the sliding cylinder is sleeved on the second limiting block and is in sliding connection with the second limiting block, a spring is arranged in the sliding cylinder, one end of the spring is fixedly connected with the sliding cylinder, the other end of the spring is in sliding connection with the second limiting block, and the sum of the length of the second limiting block and the length of the sliding cylinder is equal to the length of the first limiting block.

[0011] The utility model discloses a kind of monitoring systems of double-channel transmission, first communication management machine and second communication management machine are provided in power monitoring substation, first communication management machine and second communication management machine are communicated with first switch, first communication management machine and second communication management mechanism form double-channel transmission channel, the access of more equipment in substation can be realized using two communication management machines, provide hardware support for data transmission and monitoring.

[0012] Meanwhile, crystal head fixing mechanism is arranged at the LAN of first communication management machine and second communication management machine, solve the problem that operator mis-touches network cable and causes crystal head damage, avoid the situation of signal interruption. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the schematic diagram of straight-through network cable sequence of the utility model.

[0014] Figure 2 It is the schematic diagram of cross network cable sequence of the utility model.

[0015] Figure 3 It is the schematic diagram of four-wire network cable sequence of the utility model.

[0016] Figure 4 It is the schematic diagram of system structure of the utility model.

[0017] Figure 5 It is the schematic diagram of structure of communication management machine.

[0018] Figure 6 It is Figure 4 the enlarged schematic diagram of structure in A.

[0019] Figure 7Is the structure diagram of the rotating block, the first limiting block and the second limiting block.

[0020] Wherein, figure 1, communication management machine;2, spring;3, round bar;4, rotating block;5, first limiting block;6, second limiting block;7, slide cylinder. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the utility model. Obviously, the described embodiments are only part of the implementation of the utility model, not all the implementation, based on the embodiments of the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0022] As Figures 1 to 4 The monitoring system of double channel transmission, including server, second switch, third switch, PC computer and power monitoring substation, the first switch, the first communication management machine and the second communication management machine are arranged in the power monitoring substation, the first communication management machine and the second communication management machine all include at least three LAN ports, the crystal head fixing mechanism is arranged at each LAN port, the first communication management machine and the second communication management machine are communicated and connected with the first switch through LAN port, the first switch is communicated and connected with the server through the second switch, and the server is connected with the PC computer through the third switch.

[0023] As Figure 4 The first terminal row and the second terminal row are arranged in the power monitoring substation, the LAN port on the first communication management machine is communicated and connected with the network port of the first switch through the first terminal row and the second terminal row, and the LAN port on the second communication management machine is communicated and connected with the network port of the first switch through the first terminal row and the second terminal row.

[0024] The LAN1 port of the second communication management machine in the embodiment is connected into the network port of the first switch after being inserted into the corresponding one terminal row 3 pin, 4 pin, 5 pin and 6 pin of the second terminal row, and the first switch is a maiwei switch;The first terminal row is a male head, the first terminal row is a female head, or the first terminal row is a female head, the second terminal row is a male head, and the first terminal row and the second terminal are connected through the internal copper sheet and are conducted.

[0025] The LAN1 port of the first communication management machine is connected with the first switch in the same way, which is connected with the network port of the first switch through the remaining pins of the first terminal row and the second terminal row.

[0026] The third terminal row is arranged in the power monitoring substation, the DC 24V power supply interface is arranged on the first communication management machine and the second communication management machine, and the first communication management machine and the second communication management machine are electrically connected with the third terminal row through the DC 24V power supply interface.

[0027] In the embodiment, the first communication management machine and the second communication management machine are powered by DC 24V, and in the implementation, the first communication management machine and the second communication management machine are first installed in the central power substation, and then connected to the DC 24V input power supply for power supply through the third terminal row.

[0028] In the power monitoring substation, if there are new devices after the LAN port of the first communication management machine is connected to the full equipment, the new device can be connected through the LAN port of the second communication management machine. In the embodiment, 10 LAN ports are arranged in the first communication management machine and the second communication management machine. Among them, LAN1 or LAN2 is used for communication connection with the first switch, and LAN3-LAN10 is used for device access. LAN1 or LAN2 can be connected with the first switch by using a straight-through network cable, as shown in Figure 1 The line sequence of the straight-through network cable is orange white, orange, green white, blue, blue white, green, brown white and brown from 1 to 8.

[0029] LAN1 or LAN2 can also be connected with the device by using a cross network cable, as shown in Figure 2 The line sequence of the cross network cable is orange white, orange, green white, blue, blue white, green, brown white and brown from 1 to 8, and the other end is green white, green, orange white, blue, blue white, orange, brown white and brown.

[0030] LAN1 or LAN2 can also be connected with the device by using a four-wire network cable, as shown in Figure 3 The line sequence of the four-wire network cable is orange white, orange, green white, green from 1 to 6, and the other end is orange white, orange, green white and green.

[0031] LAN3-LAN10 is used for device access, such as a smoke alarm and an intelligent switch. The device is connected to the second communication management machine or the first communication management machine through LAN3-LAN10. In the embodiment, although the device is connected to the second communication management machine or the first communication management machine through a crystal head and a network port, the internal communication protocol is MODBUS-RTU protocol. Modbus RTU is a serial communication protocol widely used in the industrial field, which is used to connect electronic devices and support communication between remote devices through serial connection to realize data exchange, and belongs to the prior art.

[0032] As shown in Figure 4As shown, the first switch network port and the second switch network port are connected by a network cable, the second switch is a gigabit switch, the second switch is transmitted to the server through an optical fiber, the server is transmitted to the third switch through a network cable, the third switch is also a gigabit switch, the third switch and the PC computer host network port are connected by a network cable, and the PC computer is installed with a coal mine intelligent power supply monitoring system.

[0033] The first switch network port and the second switch network port are connected by a network cable, the second switch is connected with the server through an optical fiber, the server is connected with the third switch by a network cable, and the third switch is connected with the PC computer by a network cable.

[0034] In order to obtain the data transmitted by the power monitoring substation, it is necessary to manually configure the IP address on the PC computer. For those skilled in the art, manually configuring the IP address on the computer is prior art. Specifically, click "Network and Internet Settings" on the PC computer with the mouse, click "Change" in the Advanced Network Settings, find the local connection, right-click the properties, click Internet Protocol, and gradually add IP address, subnet mask, and default gateway to ensure that the upper and lower are in the same network segment; The added IP address is the IP address of the first communication management machine and the IP address of the second communication management machine;

[0035] Then the PC computer uploads the MODBUS-RTU protocol to the second communication management machine or the first communication management machine, and finally writes the sensor point table data into the coal mine intelligent power supply monitoring system.

[0036] The point table data is prior art for those skilled in the art. The point table data is a list containing all Modbus devices and their related data. It is usually used to monitor and control various devices in a factory, such as water pumps, fans, sensors, etc. Each device in the point table has a unique ID, and its data can be read and written. Modbus point table is an indispensable part of industrial automation. Through it, engineers can monitor the status of devices in real time.

[0037] As Figures 5 to 7 As shown, considering that the crystal plug is inserted into the LAN3-LAN10 of the communication management machine 1, the operator is easy to accidentally touch the network cable and cause the crystal plug to be damaged, causing poor contact and signal interruption problems, and the LAN port of the communication management machine 1 is provided with a crystal plug fixing mechanism.

[0038] The crystal head fixing mechanism comprises a rotating block 4 and a round rod 3, one end of the round rod 3 is fixedly connected with the bottom end of the LAN port, the other end of the round rod 3 is rotationally connected with the rotating block 4, the rotating block 4 is damping rotationally connected with the round rod 3, so that the rotating block 4 and the round rod 3 have a certain damping feeling, when the rotating block 4 is pushed by external force, the rotating block 4 rotates on the round rod 3, and after the external force stops, the rotating block 4 remains in a fixed position, the top end of the rotating block 4 is provided with a first limiting block 5 and a second limiting block 6, the first limiting block 5 and the second limiting block 6 are fixedly arranged on the top of the rotating block 4 in parallel, and the planes where the first limiting block 5 and the second limiting block 6 are located are parallel to the plane where the LAN port is located, and the distance between the first limiting block 5 and the second limiting block 6 is smaller than the width of the LAN port.

[0039] The length of the second limiting block 6 is smaller than the length of the first limiting block 5, in order to make the structure of the second limiting block 6 and the first limiting block 5 not affect the insertion of the crystal head into the P1-P8 port, a sliding cylinder 7 is arranged on the second limiting block 6, the sliding cylinder 7 is sleeved on the second limiting block 6 and is slidingly connected with the second limiting block 6, a spring 2 is arranged in the sliding cylinder 7, one end of the spring 2 is fixedly connected with the sliding cylinder 7, the other end of the spring 2 is slidingly connected with the second limiting block 6, and the sum of the length of the second limiting block 6 and the length of the sliding cylinder 7 is equal to the length of the first limiting block 5.

[0040] In specific use, the rotating block 4 is rotated through the first limiting block 5, so that the rotating block 4 is inclined, then the sliding cylinder 7 is pressed, so that the sliding cylinder 7 slides on the second limiting block 6 towards the rotating block 4, the crystal head is inserted into the LAN3-LAN10, then the network cable is placed between the second limiting block 6 and the first limiting block 5, then the sliding cylinder 7 is loosened, the reset elastic force of the spring makes the sliding cylinder 7 reset, the rotating block 4 is reset through the first limiting block 5, the first limiting block 5 and the sliding cylinder 7 abut on the crystal head, so that the crystal head and the second communication management machine 1 form an integral whole, and the situation that the crystal head is damaged due to accidental contact with the network cable is avoided.

[0041] The utility model discloses a kind of monitoring systems of double-channel transmission, and first communication management machine and second communication management machine are provided in power monitoring substation, first communication management machine and second communication management machine are connected with first switch communication, first communication management machine and second communication management mechanism form double-channel transmission channel, and the access of more equipment in substation can be realized using two communication management machines, which provides hardware support for data transmission and monitoring.

[0042] Meanwhile, crystal head fixing mechanism is provided at the LAN of first communication management machine and second communication management machine, solve the problem that operating personnel accidentally contact network cable and cause crystal head damage, avoid the situation of signal interruption.

[0043] The technical means disclosed by the utility model scheme are not limited to the technical means disclosed by the above-mentioned embodiments, and also include technical schemes composed of any combination of the above technical features. It should be noted that, for ordinary skilled persons in the art, without departing from the principles of the utility model, a number of improvements and refinements can be made, and these improvements and refinements are also considered within the protection scope of the utility model.

Claims

1. A monitoring system with dual-channel transmission, characterized in that: The system includes a server, a second switch, a third switch, a PC, and a power monitoring substation. The power monitoring substation is equipped with a first switch, a first communication management unit, and a second communication management unit. Both the first and second communication management units have at least three LAN ports, and each LAN port is equipped with a crystal head fixing mechanism. Both the first and second communication management units are connected to the first switch via the LAN ports. The first switch is connected to the server via the second switch, and the server is connected to the PC via the third switch.

2. The monitoring system with dual-channel transmission according to claim 1, characterized in that: The power monitoring substation is equipped with a first terminal block and a second terminal block. The LAN port of the first communication management unit is connected to the network port of the first switch through the first terminal block and the second terminal block. The LAN port of the second communication management unit is connected to the network port of the first switch through the first terminal block and the second terminal block.

3. The monitoring system with dual-channel transmission according to claim 1, characterized in that: The power monitoring substation is equipped with a third terminal block. Both the first and second communication management units are equipped with a DC24V power interface. Both the first and second communication management units are electrically connected to the third terminal block through the DC24V power interface.

4. The monitoring system with dual-channel transmission according to claim 1, characterized in that: The network ports of the first switch and the second switch are connected via network cable. The second switch is connected to the server via fiber optic cable. The server is connected to the third switch via network cable. The third switch is connected to the PC via network cable.

5. The monitoring system with dual-channel transmission according to claim 1, characterized in that: The crystal head fixing mechanism includes a rotating block (4) and a round rod (3). One end of the round rod (3) is fixedly connected to the bottom end of the LAN port, and the other end of the round rod (3) is rotatably connected to the rotating block (4). The top of the rotating block (4) is provided with a first limiting block (5) and a second limiting block (6). The first limiting block (5) and the second limiting block (6) are fixed parallel to the top of the rotating block (4), and the planes where the first limiting block (5) and the second limiting block (6) are located are parallel to the plane where the LAN port is located. The distance between the first limiting block (5) and the second limiting block (6) is less than the width of the LAN port.

6. The monitoring system with dual-channel transmission according to claim 5, characterized in that: The length of the second limiting block (6) is less than the length of the first limiting block (5). A slide cylinder (7) is provided on the second limiting block (6). The slide cylinder (7) is sleeved on the second limiting block (6) and slidably connected to the second limiting block (6). A spring (2) is provided inside the slide cylinder (7). One end of the spring (2) is fixedly connected to the slide cylinder (7), and the other end of the spring (2) is slidably connected to the second limiting block (6). The sum of the length of the second limiting block (6) and the length of the slide cylinder (7) is equal to the length of the first limiting block (5).

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