CN210573265U

CN210573265U - Electric power monitoring management device

Info

Publication number: CN210573265U
Application number: CN201921190908.8U
Authority: CN
Inventors: 马振奎; 沈明波
Original assignee: Nanjing Priam Electronic Equipment Co ltd
Current assignee: Nanjing Priam Electronic Equipment Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-05-19
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses an electric power monitoring and managing device, which belongs to a monitoring device, and comprises a central processing unit, wherein the central processing unit is respectively connected with an electric quantity data acquisition module and a switch data acquisition module, and the central processing unit is respectively connected with a control relay and a protection relay through a first optical coupler; the central processing unit is also respectively connected with the memory, the clock controller and the analog-to-digital conversion module, and is also connected with the alarm signal acquisition module through a second optical coupler and the signal conversion module. The plurality of functional modules are integrated in the same device and controlled by the central processing unit, so that the functions of all the functional modules can be calibrated by the central processing unit executing unified program codes, the functional modules do not need to be debugged independently, the use and maintenance cost of the device is effectively reduced, the central processing unit is communicated uniformly through a communication conversion interface, the communication reliability is improved, the occupation of communication addresses is reduced, and the information resources are saved.

Description

Electric power monitoring management device

Technical Field

The utility model relates to a monitoring devices, more specifically the utility model discloses mainly relate to a power monitoring management device.

Background

In some applications of a strong current system, a monitoring management device or system is required to be installed and used for monitoring the running state of the power system, and a relay is cut off in time when abnormal conditions such as short circuit occur, so that danger or damage to electric appliances in the strong current system are avoided; the functional modules are distributed, the failure points of the system are relatively more, and further research and improvement on the structure of the power monitoring device are needed.

SUMMERY OF THE UTILITY MODEL

One of the purposes of the utility model is to above-mentioned not enough, provide an electric power monitoring management device to each functional module of like product need debug alone among the hope of solving prior art, and the structure is complicated, the loaded down with trivial details class of technical problem of wiring.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides an electric power monitoring management device, the device include central processing unit, central processing unit inserts electric quantity data acquisition module and switch data acquisition module respectively, and central processing unit still inserts control relay and protective relay respectively through first opto-coupler; the central processing unit is also respectively connected with the memory, the clock controller and the analog-to-digital conversion module, and is also connected with the alarm signal acquisition module through a second optical coupler and the signal conversion module.

Preferably, the further technical scheme is as follows: the device also comprises a communication conversion module and a display output module, wherein the communication conversion module and the display output module are respectively connected to the central processing unit.

The further technical scheme is as follows: an encoder is further arranged between the first optocoupler and the central processing unit.

The further technical scheme is as follows: the electric quantity data acquisition module is also connected with an electric quantity signal isolation module, and the switch data acquisition module is also connected with a switch data isolation module.

The further technical scheme is as follows: the central processing unit is a C8051F chip.

Compared with the prior art, one of the beneficial effects of the utility model is that: the plurality of functional modules are integrated in the same device and controlled by the central processing unit, so that the functions of all the functional modules can be calibrated by the central processing unit executing unified program codes without independently debugging the functional modules, the use and maintenance cost of the device is effectively reduced, the central processing unit is used for unified communication through a communication conversion interface, the reliability of communication is improved, the occupation of communication addresses is reduced, and information resources are saved; and simultaneously the utility model provides a power monitoring management device simple structure is suitable for and installs and use in all kinds of electric power system, and the range of application is wide.

Drawings

FIG. 1 is a block diagram schematically illustrating the structure of one embodiment of the present invention;

fig. 2 is a circuit diagram for illustrating the electric quantity data acquisition module according to an embodiment of the present invention;

fig. 3 is a circuit diagram for illustrating a switch data acquisition module according to an embodiment of the present invention;

fig. 4 is a circuit diagram for illustrating an alarm signal collection module according to an embodiment of the present invention;

fig. 5 is a circuit diagram for explaining a communication conversion module according to an embodiment of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1, an embodiment of the present invention is an electric power monitoring and management device, which includes a central processing unit, as an operation module in the device, a C8051F chip may be used; the central processor is respectively connected with the electric quantity data acquisition module and the switch data acquisition module, and is also respectively connected with the control relay and the protection relay through a first optical coupler; the central processing unit is also respectively connected with the memory, the clock controller and the analog-to-digital conversion module, and is also connected with the alarm signal acquisition module through a second optical coupler and the signal conversion module.

In this embodiment, a plurality of functional modules are integrated in the same device and controlled by a central processing unit, so that functions of the functional modules can be calibrated by the central processing unit executing unified program codes, the functional modules do not need to be debugged independently, the use and maintenance costs of the device are effectively reduced, the central processing unit is used for unified communication through a communication conversion interface, the reliability of communication is improved, the occupation of communication addresses is reduced, and information resources are saved. The device in the embodiment can be used as an intelligent power monitoring, control, protection and communication lighting management system, logical judgment is carried out by the central processing unit according to the signal condition acquired by each acquisition module, the relay is closed or cut off according to the judgment result, and the judgment result can be output through the communication conversion module.

As shown in fig. 1, in order to enable the device to realize human-computer interaction, a communication conversion module and a display output module may be additionally arranged in the device with the above structure, and the communication conversion module and the display output module are respectively connected to a central processing unit; meanwhile, in order to conveniently control the control relay and the protection relay, an encoder is additionally arranged between the first optocoupler and the central processing unit; in addition, in order to avoid the interference of an external signal on the electric quantity data acquisition module and the switch data acquisition module, the electric quantity data acquisition module can be connected to an electric quantity signal isolation module, and then the switch data acquisition module is connected to a switch data isolation module;

as shown in fig. 2, the multifunctional electric quantity acquisition module can acquire real-time electric quantity parameters such as voltage, current, active power, reactive power, frequency, temperature, electric degree measurement and the like, and dynamically display the parameters through a display screen; as shown in fig. 3, 8 paths of switching value signals are acquired, and the final state controlled by the output port can be acquired and displayed through the display screen; the acquisition port adopts an active signal input mode, is applicable to various acquisition scenes and has strong universality.

As shown in fig. 4, the alarm signal acquisition module provides 2 paths of passive alarm signal output trunk contacts, one group of output continuous signals and one group of output pulse signals; the alarm condition can be set, and the alarm condition supports electric quantity, temperature, entrance guard and the like:

a. electric quantity alarming: setting upper and lower limit values of electric quantity parameters, alarming when the electric quantity parameters are out of limit, recording and inquiring through a display screen; when the electric quantity alarms, the output continuous signals can cut off power supply, so that the power supply safety is guaranteed;

b. and (4) temperature alarming: monitoring the system temperature in real time and alarming when the system temperature is out of limit;

c. the entrance guard switch alarms: when the equipment meets illegal door opening, the system gives an alarm;

as shown in fig. 5, the communication conversion module supports remote two-way communication, and can receive a control command from the center and upload data such as acquisition and control of each functional module to form an intelligent network monitoring system.

As mentioned in the above embodiments, the present invention mainly has the following features:

1. the multifunctional modules are integrated to realize a multifunctional combined framework system, so that the application field is wider;

2. one processor processes the data of each functional module, so that the instability of the system caused by communication is avoided, a large number of components are saved, and the production cost is reduced;

3. because the integrated processing mechanism is adopted, the coordination work among all the modules is more reasonable, and the operation resources of the system are fully utilized;

4. a plurality of modules adopt a debugging and controlling system, so that the field debugging work is simplified;

5. data of each functional module is communicated with the outside through one processor, and only one communication interface is needed, so that the communication reliability is improved, the occupation of communication addresses is reduced, and information resources are saved;

6. and a touch display screen is adopted for man-machine conversation, so that the system is more visual. Debugging application among all the functional modules is simpler;

7. the defects of large occupied installation space and more wiring due to combination of various functional modules are overcome, the stability of the system is improved, and the production efficiency is also improved;

it should be noted that, the utility model discloses each components and parts module that above-mentioned embodiment mentioned all can directly purchase on the market and obtain to be carried out by central processing unit through unified control program, the utility model discloses an aim at lies in the improvement to electric power monitoring device structure, so to no longer detail to the structure of each components and parts module, and technical personnel in the field can refer to the similar function module among the prior art and realize the technical purpose of the utility model.

In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. A power monitoring management device, its characterized in that: the device comprises a central processing unit, wherein the central processing unit is respectively connected with an electric quantity data acquisition module and a switch data acquisition module, and is also respectively connected with a control relay and a protection relay through a first optical coupler; the central processing unit is also respectively connected with the memory, the clock controller and the analog-to-digital conversion module, and is also connected with the alarm signal acquisition module through a second optical coupler and the signal conversion module.

2. The power monitoring and management device according to claim 1, wherein: the device also comprises a communication conversion module and a display output module, wherein the communication conversion module and the display output module are respectively connected to the central processing unit.

3. The power monitoring and management device according to claim 1, wherein: an encoder is further arranged between the first optocoupler and the central processing unit.

4. The power monitoring and management device according to claim 1, wherein: the electric quantity data acquisition module is also connected with an electric quantity signal isolation module, and the switch data acquisition module is also connected with a switch data isolation module.

5. The power monitoring and management device according to claim 1, wherein: the central processing unit is a C8051F chip.