CN214409746U - Power environment monitoring system for electric power communication machine room - Google Patents
Power environment monitoring system for electric power communication machine room Download PDFInfo
- Publication number
- CN214409746U CN214409746U CN202120915192.4U CN202120915192U CN214409746U CN 214409746 U CN214409746 U CN 214409746U CN 202120915192 U CN202120915192 U CN 202120915192U CN 214409746 U CN214409746 U CN 214409746U
- Authority
- CN
- China
- Prior art keywords
- monitoring
- interface
- machine room
- electric power
- protection circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model provides a power environment monitoring system of electric power communication computer lab, include: the monitoring module and the monitoring host; the monitoring modules are arranged in a plurality of numbers and are arranged in the power environment of the electric power communication machine room; and each monitoring module is in communication connection with the monitoring host. Has the following advantages: (1) based on the distributed architecture principle, the monitoring modules can be randomly distributed in a target environment, various environmental information in the power environment of the electric power communication machine room is collected, and finally the collected information is transmitted to the monitoring host in a centralized mode, so that the overall monitoring of the monitoring system is more stable and comprehensive, meanwhile, the distributed monitoring modules are more flexible, and the beneficial guarantee is provided for the normal work of each communication device in the communication machine room. (2) One monitoring module can be connected with a plurality of monitoring quantity acquisition channels, and has the advantages of flexible access of monitoring quantity acquisition sensors and simple overall wiring of the system, thereby reducing the arrangement cost, reducing the equipment maintenance difficulty and improving the expansibility of the system.
Description
Technical Field
The utility model belongs to the technical field of power communication, concretely relates to power communication computer lab power environment monitored control system.
Background
The power environment of the power communication machine room comprises equipment such as high-voltage and low-voltage power distribution, a power supply, a storage battery, a UPS (uninterrupted power supply), an air conditioner and the like of the machine room, and environmental states such as temperature, humidity, water immersion, smoke sensation, entrance guard, images and the like. Once the power environment and equipment of the machine room are in failure or disaster, the safe and normal operation of the communication machine room can be endangered. Therefore, the power environment state of the power communication machine room needs to be monitored in real time.
The existing power communication machine room power environment state monitoring system can only monitor a single-path signal; therefore, when various power environment parameters need to be monitored, a plurality of monitoring systems need to be arranged, so that the arrangement cost is increased, the construction complexity is increased, the monitoring environment wiring is complex, the expandability of the system and the flexibility of sensor arrangement are poor, and the later maintenance is difficult.
SUMMERY OF THE UTILITY MODEL
The defect to prior art exists, the utility model provides an electric power communication computer lab power environment monitored control system can effectively solve above-mentioned problem.
The utility model adopts the technical scheme as follows:
the utility model provides a power environment monitoring system of electric power communication computer lab, include: the monitoring module and the monitoring host;
the monitoring modules are arranged in a plurality of numbers and are arranged in the power environment of the electric power communication machine room; each monitoring module is in communication connection with the monitoring host;
each monitoring module comprises a first RS485 interface, a first COM (component object model) interface, a level conversion chip, a USB (universal serial bus) interface, a main processor, a hard disk, a memory SDRAM (synchronous dynamic random access memory), a memory card and an Ethernet interface; the number of the first RS485 interfaces is multiple, and one end of each first RS485 interface is connected with a plurality of monitoring quantity acquisition sensors; the other end of each first RS485 interface is connected to one end of the level conversion chip through one first COM port; the other end of the level conversion chip is connected to the main processor through the USB interface;
the main processor is respectively connected with the hard disk, the memory SDRAM, the memory card and the Ethernet interface; and the main processor is connected with the monitoring host through the Ethernet interface.
Preferably, each of the monitoring amount acquisition sensors includes: the monitoring quantity acquisition channels, the multi-channel analog switch, the AD converter, the CPU, the latch, the second RS485 interface and the second COM port are arranged;
the multi-path analog switch is provided with a multi-path inlet and a multi-path outlet; each inlet is connected with one monitoring quantity acquisition channel; the outlet of the multi-path analog switch is connected to the CPU through the AD converter; the control end of the CPU is connected with the control end of the multi-path analog switch through the latch and is used for controlling the current channel of the multi-path analog switch;
the output end of the CPU is connected with a plurality of second COM ports; each second COM port is connected with one end of one second RS485 interface; the other end of the second RS485 interface is connected to the corresponding first RS485 interface.
Preferably, the monitoring quantity acquisition channel comprises an alternating current/direct current transmitter, a phoenix terminal and a voltage stabilizing diode which are connected in series.
Preferably, the multi-way analog switch adopts a 6-way analog switch CD 4067.
Preferably, the latch is a 74HC573 latch.
Preferably, the CPU is directly connected to the temperature and humidity acquisition module.
Preferably, the first RS485 interface includes a first RS485 interface board and a first protection circuit; the second RS485 interface comprises a second RS485 interface board and a second protection circuit;
the second COM port is connected with one end of the second RS485 interface board; the other end of the second RS485 interface board is connected with one end of the second protection circuit; the other end of the second protection circuit is connected with one end of the transmission line; the other end of the transmission line is connected to one end of the first protection circuit; the other end of the first protection circuit is connected to one end of the first RS485 interface board; and the other end of the first RS485 interface board is connected with the first COM port.
Preferably, the first protection circuit and the second protection circuit have the same structure, and both include: a gas discharge tube, a transient suppression circuit and a matching resistor are sequentially connected in parallel between an RS485A line and an RS485B line of the RS485 interface board; the RS485A line and the RS485B line between the matching resistor and the transient suppression circuit are respectively connected in series with an overcurrent protection circuit; a pull-up resistor is connected in series with an RS485A line between the matching resistor and the RS485 interface board; and a pull-down resistor is connected in series with an RS485B line between the matching resistor and the RS485 interface board.
The utility model provides an electric power communication computer lab power environment monitored control system has following advantage:
(1) based on the distributed architecture principle, the monitoring modules can be randomly distributed in a target environment, various environmental information in the power environment of the electric power communication machine room is collected, and finally the collected information is transmitted to the monitoring host in a centralized mode, so that the overall monitoring of the monitoring system is more stable and comprehensive, meanwhile, the distributed monitoring modules are more flexible, and the beneficial guarantee is provided for the normal work of each communication device in the communication machine room.
(2) One monitoring module can be connected with a plurality of monitoring quantity acquisition channels, and has the advantages of flexible access of monitoring quantity acquisition sensors and simple overall wiring of the system, thereby reducing the arrangement cost, reducing the equipment maintenance difficulty and improving the expansibility of the system.
Drawings
Fig. 1 is a schematic view of the overall structure of a power environment monitoring system of an electric power communication machine room provided by the present invention;
fig. 2 is a schematic structural view of the monitoring quantity acquisition sensor provided by the present invention;
fig. 3 is the structure diagram of the RS485 interface provided by the utility model.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model provides a power environment monitoring system of electric power communication computer lab, through monitoring volume distributing type framework, a plurality of monitoring volume acquisition sensor can be connected to a monitoring module, have monitoring volume acquisition sensor and insert in a flexible way, the simple advantage of system's whole wiring to the arrangement cost of reduction reduces the plant maintenance degree of difficulty, improves the expansibility of system.
Referring to fig. 1, the power environment monitoring system of the electric power communication machine room comprises: the monitoring module and the monitoring host;
the monitoring modules are arranged in a plurality of numbers and are directly arranged in the power environment of the electric power communication machine room; each monitoring module is in communication connection with the monitoring host;
each monitoring module can adopt a 48V power supply mode and comprises a first RS485 interface, a first COM (component object model) port, a level conversion chip, a USB (universal serial bus) interface, a main processor, a hard disk, a memorizer SDRAM (synchronous dynamic random access memory), a memory card and an Ethernet interface; the number of the first RS485 interfaces is multiple, and one end of each first RS485 interface is connected with a plurality of monitoring quantity acquisition sensors; the other end of each first RS485 interface is connected to one end of the level conversion chip through a first COM port; the other end of the level conversion chip is connected to the main processor through a USB interface; the level conversion chip can adopt an FT4232H level conversion chip for realizing conversion between USB signals and serial port signals. In fig. 1, the number of the first RS485 interfaces is totally 4, which are: RS485_11, RS485_12, RS485_13, and RS485_ 14.
The main processor is respectively connected with the hard disk, the memory SDRAM, the memory card and the Ethernet interface;
the main processor is connected with the monitoring host through an Ethernet interface.
The principle is as follows: each first RS485 interface is connected with the monitoring quantity acquisition sensor and used for receiving monitoring signals acquired by the monitoring quantity acquisition sensor, and the monitoring signals are transmitted to the main processor through the USB interface after passing through the first COM port and the level conversion chip; the main processor can store the collected monitoring signals through a memory or transmit the collected monitoring signals to the monitoring host through an Ethernet interface.
In practical application, the method also comprises the following design:
the main processor is configured with four serial ports and an ethernet interface that is brought to the backplane via pins of IDC50, and the serial ports are connected to the chassis via flat wires. The power supply on the bottom plate consists of 3 power supply modules with isolation. The remote control chip comprises a base plate, a chip 25-48T5-15, a chip 25-48D12 and a chip 16-48S12, wherein the chip and the chip are used for supplying power to the chip and the core plate on the base plate, the chip is used for supplying power to an external sensor, and the chip is used for supplying power to a remote control output.
Therefore, the monitoring module is arranged in a target environment, various appointed power environment quantities are collected through the monitoring module, collected information is transmitted to the monitoring host in a centralized mode, and the function of monitoring each monitoring module by the monitoring host in a centralized mode is achieved. Wherein, various designated dynamic environment quantities, including various telemetric or telemetric quantities, include but are not limited to: the device comprises a direct current acquisition sensing module, an alternating current acquisition sensing module, an analog acquisition sensing module, a temperature and humidity acquisition sensing module, a water immersion monitoring sensing module and the like.
Wherein, the structure of every monitoring volume acquisition sensor is as shown in fig. 2, includes: the monitoring quantity acquisition channels, the multi-channel analog switch, the AD converter, the CPU, the latch, the second RS485 interface and the second COM port are arranged;
the multi-path analog switch is provided with a multi-path inlet and a multi-path outlet; for example, the multi-path analog switch adopts 6 paths of analog switches CD4067, and each path of inlet is connected with one monitoring quantity acquisition channel; the outlet of the multi-path analog switch is connected to the CPU through an AD converter; the control end of the CPU is connected with the control end of the multi-path analog switch through the latch and is used for switching and controlling the current channel of the multi-path analog switch;
the output end of the CPU is connected with a plurality of second COM ports; each second COM port is connected with one end of a second RS485 interface; the other end of the second RS485 interface is connected to a corresponding first RS485 interface.
As a specific implementation mode, the monitoring quantity acquisition channel comprises an alternating current/direct current transmitter, a phoenix terminal and a voltage stabilizing diode which are connected in series. Wherein the phoenix terminal is a 5.08 phoenix terminal; the voltage stabilizing diode adopts a 5V voltage stabilizing diode; the latch is a 74HC573 latch. In addition, the CPU can also be directly connected with the temperature and humidity acquisition module to receive temperature and humidity parameters acquired by the temperature and humidity acquisition module.
In fig. 2, two second RS485 interfaces are shown, which are respectively: RS485_21 and RS485_ 22.
In addition, in the application, the first RS485 interface includes a first RS485 interface board and a first protection circuit; the second RS485 interface comprises a second RS485 interface board and a second protection circuit;
the second COM port is connected with one end of a second RS485 interface board; the other end of the second RS485 interface board is connected with one end of a second protection circuit; the other end of the second protection circuit is connected with one end of the transmission line; the other end of the transmission line is connected to one end of the first protection circuit; the other end of the first protection circuit is connected to one end of the first RS485 interface board; the other end of the first RS485 interface board is connected with the first COM port.
Wherein: as shown in fig. 3, the first protection circuit and the second protection circuit have the same structure, and both include: a gas discharge tube, a transient suppression circuit and a matching resistor are sequentially connected in parallel between an RS485A line and an RS485B line of the RS485 interface board; the RS485A line and the RS485B line between the matching resistor and the transient suppression circuit are respectively connected in series with an overcurrent protection circuit; a pull-up resistor is connected in series with an RS485A line between the matching resistor and the RS485 interface board; and a pull-down resistor is connected in series with an RS485B line between the matching resistor and the RS485 interface board. Wherein, through pull-up resistance, pull-down resistance, realize shaking hands through a low level start bit; in order to prevent the interference signal from triggering by mistake and generating jump, the matching resistor is connected to reduce the reflection and absorption noise caused by mismatching, effectively inhibit the noise and avoid the interference of the instantaneous signal. Through overcurrent protection, transient suppression and a gas discharge tube, line surge interference is eliminated, and strong electromagnetic (lightning) impact is prevented.
By adding a protection circuit to the RS485 interface, the design of lightning protection and interference resistance is realized, and the accuracy of signal transmission is ensured.
The utility model provides a power environment monitoring system of electric power communication computer lab, its theory of operation is:
for each monitoring module, the following modes are adopted to realize the acquisition of monitoring parameters:
referring to fig. 2, the CPU performs switching control on the multi-path analog switch through the latch, and when a channel is switched to, a monitoring signal collected by the ac/dc transmitter is subjected to voltage stabilization by the zener diode, then subjected to analog-to-digital conversion by the multi-path analog switch and the AD converter, and then reaches the CPU; the CPU enables the monitoring signal to pass through a second COM port, an RS485 interface board of a second RS485 interface and a protection circuit thereof, so as to be subjected to lightning protection and anti-interference processing, and then the monitoring signal reaches a first RS485 interface shown in the figure 1 through a transmission line;
the monitoring signal is firstly processed through a protection circuit of the first RS485 interface, then passes through an interface circuit board of the first RS485 interface, then reaches the main processor after passing through the first COM port, the level conversion chip and the USB interface, and the main processor carries out local storage and transmits through the Ethernet interface.
The utility model provides a pair of power communication computer lab power environment monitored control system has following advantage:
(1) based on the distributed architecture principle, the monitoring modules can be randomly distributed in a target environment, the high-low voltage power distribution, power supply, storage battery, UPS, air conditioner and other equipment in the power environment of the electric power communication machine room and various environmental information such as temperature, humidity, water immersion, smoke sensation, entrance guard and images are collected, the collected information is finally transmitted to the monitoring host in a centralized mode, the overall monitoring of the monitoring system is more stable and comprehensive, meanwhile, the distributed monitoring modules are more flexible, and the monitoring system provides a favorable guarantee for the normal work of each communication device in the communication machine room.
(2) One monitoring module can be connected with a plurality of monitoring quantity acquisition channels, and has the advantages of flexible access of monitoring quantity acquisition sensors and simple overall wiring of the system, thereby reducing the arrangement cost, reducing the equipment maintenance difficulty and improving the expansibility of the system.
(3) And the RS485 interface is provided with a protection circuit, so that the transmission quality of the acquired signals is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be viewed as the protection scope of the present invention.
Claims (8)
1. The utility model provides an electric power communication computer lab power environmental monitoring system which characterized in that includes: the monitoring module and the monitoring host;
the monitoring modules are arranged in a plurality of numbers and are arranged in the power environment of the electric power communication machine room; each monitoring module is in communication connection with the monitoring host;
each monitoring module comprises a first RS485 interface, a first COM (component object model) interface, a level conversion chip, a USB (universal serial bus) interface, a main processor, a hard disk, a memory SDRAM (synchronous dynamic random access memory), a memory card and an Ethernet interface; the number of the first RS485 interfaces is multiple, and one end of each first RS485 interface is connected with a plurality of monitoring quantity acquisition sensors; the other end of each first RS485 interface is connected to one end of the level conversion chip through one first COM port; the other end of the level conversion chip is connected to the main processor through the USB interface;
the main processor is respectively connected with the hard disk, the memory SDRAM, the memory card and the Ethernet interface; and the main processor is connected with the monitoring host through the Ethernet interface.
2. The power environment monitoring system of the electric power communication machine room according to claim 1, wherein each of the monitoring amount collecting sensors includes: the monitoring quantity acquisition channels, the multi-channel analog switch, the AD converter, the CPU, the latch, the second RS485 interface and the second COM port are arranged;
the multi-path analog switch is provided with a multi-path inlet and a multi-path outlet; each inlet is connected with one monitoring quantity acquisition channel; the outlet of the multi-path analog switch is connected to the CPU through the AD converter; the control end of the CPU is connected with the control end of the multi-path analog switch through the latch and is used for controlling the current channel of the multi-path analog switch;
the output end of the CPU is connected with a plurality of second COM ports; each second COM port is connected with one end of one second RS485 interface; the other end of the second RS485 interface is connected to the corresponding first RS485 interface.
3. The power environment monitoring system of the electric power communication machine room according to claim 2, wherein the monitoring quantity collecting channel comprises an alternating current/direct current transmitter, a phoenix terminal and a voltage stabilizing diode which are connected in series.
4. The power environment monitoring system of the electric power communication machine room according to claim 2, wherein the multi-way analog switch is a 6-way analog switch CD 4067.
5. The electric power communication machine room power environment monitoring system of claim 2, wherein the latch is a 74HC573 latch.
6. The power environment monitoring system of the electric power communication machine room according to claim 2, wherein the CPU is directly connected to the temperature and humidity acquisition module.
7. The power environment monitoring system of the electric power communication machine room according to claim 2, wherein the first RS485 interface comprises a first RS485 interface board and a first protection circuit; the second RS485 interface comprises a second RS485 interface board and a second protection circuit;
the second COM port is connected with one end of the second RS485 interface board; the other end of the second RS485 interface board is connected with one end of the second protection circuit; the other end of the second protection circuit is connected with one end of the transmission line; the other end of the transmission line is connected to one end of the first protection circuit; the other end of the first protection circuit is connected to one end of the first RS485 interface board; and the other end of the first RS485 interface board is connected with the first COM port.
8. The power environment monitoring system of the electric power communication machine room according to claim 7, wherein the first protection circuit and the second protection circuit have the same structure and each include: a gas discharge tube, a transient suppression circuit and a matching resistor are sequentially connected in parallel between an RS485A line and an RS485B line of the RS485 interface board; the RS485A line and the RS485B line between the matching resistor and the transient suppression circuit are respectively connected in series with an overcurrent protection circuit; a pull-up resistor is connected in series with an RS485A line between the matching resistor and the RS485 interface board; and a pull-down resistor is connected in series with an RS485B line between the matching resistor and the RS485 interface board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120915192.4U CN214409746U (en) | 2021-04-29 | 2021-04-29 | Power environment monitoring system for electric power communication machine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120915192.4U CN214409746U (en) | 2021-04-29 | 2021-04-29 | Power environment monitoring system for electric power communication machine room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214409746U true CN214409746U (en) | 2021-10-15 |
Family
ID=78032606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120915192.4U Active CN214409746U (en) | 2021-04-29 | 2021-04-29 | Power environment monitoring system for electric power communication machine room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214409746U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116976642A (en) * | 2023-08-31 | 2023-10-31 | 宁夏绿昊光伏发电有限公司 | Operation and maintenance management system and method for intelligent machine room for electric power communication |
-
2021
- 2021-04-29 CN CN202120915192.4U patent/CN214409746U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116976642A (en) * | 2023-08-31 | 2023-10-31 | 宁夏绿昊光伏发电有限公司 | Operation and maintenance management system and method for intelligent machine room for electric power communication |
| CN116976642B (en) * | 2023-08-31 | 2024-04-02 | 宁夏绿昊光伏发电有限公司 | Operation and maintenance management system and method for intelligent machine room for electric power communication |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102437550B (en) | Microcomputer relay protection device based on serial bus technology | |
| CN206515660U (en) | Modularized digital power supply platform based on DSP and FPGA | |
| CN101710737A (en) | Bus intelligent control system | |
| CN102640388A (en) | I/o module | |
| CN214409746U (en) | Power environment monitoring system for electric power communication machine room | |
| CN108566324B (en) | System and method based on isolated dual Ethernet and dual CAN communication | |
| CN201312143Y (en) | Measuring and control terminal of signal power supply | |
| CN103532804A (en) | Double-Ethernet networking server provided with multi-serial ports | |
| CN202948290U (en) | Ship power information distributed data acquisition device | |
| CN110868051A (en) | Integrated electric energy conversion device for ships | |
| CN204649927U (en) | A kind of primary cut-out state monitoring device | |
| CN201477418U (en) | Microcomputer protection measuring and controlling device | |
| CN218547284U (en) | Monitoring device for testing system working state | |
| CN207868872U (en) | Electric network information processing unit based on embedded technology | |
| CN111123141A (en) | Radar power supply remote monitoring system | |
| CN210167810U (en) | Multi-terminal differential protection device capable of freely topological | |
| CN208241308U (en) | A kind of arc light protecting system | |
| CN216981608U (en) | Station terminal | |
| CN213602427U (en) | High-voltage battery pack management system | |
| CN115098016B (en) | Redundant computer high-precision AD acquisition equipment based on LRM | |
| CN214067648U (en) | Programmable logic controller device of direct current cabinet | |
| CN220584374U (en) | Train first cabinet monitored control system | |
| CN220543031U (en) | Programmable multichannel equipment ground resistance tester | |
| CN203310532U (en) | Multi-point temperature measurement device of unmanned substation | |
| CN213402068U (en) | Novel intelligent comprehensive distribution box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |