CN212905205U - Join in marriage undulant detection device of electrical room outer net - Google Patents

Abstract

The utility model aims at providing a distribution room outer net fluctuation detection device, which comprises a central processing unit and an acquisition module, wherein the output end of the acquisition module is directly connected with the input end of the central processing unit through a signal filtering module, the output end of the central processing unit is respectively and simultaneously connected with the input ends of a voltage change rate judging module and a voltage change range module, the output ends of the voltage change rate judging module and the voltage change range module are simultaneously connected with the input end of an analysis processing module, the output end of the analysis processing module is respectively connected with an emergency processing switch and an alarm, the central processing unit is respectively matched with the acquisition module and the analysis processing module to form the outer net fluctuation detection device, the emergency processing and the alarm processing can be carried out in the shortest time, and the intelligent degree of the power grid data detection can be improved to the maximum extent, the damage of the equipment is effectively prevented, and the maintenance cost of the equipment is effectively reduced.

Description

Join in marriage undulant detection device of electrical room outer net

Technical Field

The utility model relates to a join in marriage electric room electric wire netting operation and use in the aspect of the maintenance field, mainly relate to a join in marriage undulant detection device of electric room outer net.

Background

With the rapid development of our society, it is more important to the power transformation and distribution aspect at present, the power supply of the distribution room at present is mainly distributed through the power distribution of a power plant or a high-voltage station, but the voltage waveform distortion may occur to the incoming voltage of the distribution room due to the change of the power supply voltage and load, and the safety of the overvoltage crisis network and equipment may be caused when the higher harmonic wave of the power network is increased, and the insulation of the power supply and utilization equipment is accelerated to age, so the service life of the equipment is greatly shortened, and the no-load loss of the transformer and the motor is increased, so the power and the electric energy loss are increased, the normal operation of the whole distribution network is seriously affected, but at present, the fluctuation condition of the incoming voltage is measured by the power distribution cabinets one by directly going to the site through technical staff, the intensity of labour is great to for still being difficult to realize the real time monitoring to advancing electric voltage, lead to artifical measuring intensity of work at to a great extent, also greatly reduced measurement accuracy when artifical the measurement, also great increase the cost when measuring, because the measurement discovery is untimely, still can lead to distribution equipment's abnormal operation, cause different harm to equipment, seriously increased equipment later maintenance cost, increase the operation and the use cost of distribution network.

Therefore, the outer network fluctuation detection device of the power distribution room is provided, the outer network fluctuation detection device is added at the wire inlet of the power distribution room by improving the traditional manual measurement mode, the voltage range fluctuation and the fluctuation frequency of the wire inlet voltage can be effectively acquired and detected in real time, the emergency treatment and the alarm treatment can be carried out in the shortest time, the intelligent degree of the power grid data detection can be improved to the maximum extent, the detection progress and timeliness are effectively improved, the abnormal operation of the power distribution equipment during neutral position detection is effectively avoided, the equipment damage is effectively prevented, the equipment maintenance cost is effectively reduced, meanwhile, the remote monitoring and storage device of the upper computer is adopted, the remote monitoring of the detected data can be effectively carried out, the intelligent unattended detection is realized, the abnormal data can be stored in a cloud platform, and the subsequent analysis and abnormal prevention can be better carried out on the abnormal problem, it becomes a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a distribution room outer net fluctuation detection device, which is improved by the traditional manual measurement mode, the outer net fluctuation detection device is added at the inlet wire of the distribution room, the voltage range fluctuation and the fluctuation frequency of the inlet wire voltage can be effectively collected and detected in real time, the emergency treatment and the alarm treatment can be carried out in the shortest time, the intelligent degree of the electric network data detection can be improved to the maximum extent, the detection progress and the timeliness can be effectively improved, the abnormal operation of the distribution equipment during the neutral position detection can be effectively avoided, the equipment damage can be effectively prevented, the equipment maintenance cost can be effectively reduced, meanwhile, the remote monitoring and storage device of the upper computer is adopted, the remote monitoring of the detection data can be effectively realized, the intelligent unattended detection can be realized, and the abnormal data can be stored in a cloud platform, so as to better carry out subsequent analysis and abnormal prevention on abnormal problems.

For solving the background art in technical problem, the utility model discloses a following technical scheme:

the utility model provides a join in marriage undulant detection device of electrical room outer net, includes central processing unit and collection module, collection module's output pass through signal filtering module and directly be connected with central processing unit's input, central processing unit's output simultaneously with the input of voltage change rate decision module and voltage change scope module respectively be connected, the output of voltage change rate decision module and voltage change scope module is connected with analysis processing module's input simultaneously, analysis processing module's output be connected in emergency treatment switch and alarm respectively, central processing unit constitute undulant detection device of outer net with collection module and analysis processing module cooperation respectively.

Preferably, central processing unit's output still be connected with the host computer through the RS485 communication, the host computer be connected in remote display and cloud platform data storage ware respectively, through the remote monitoring and the storage device who adopts the host computer, can reach effectual remote monitoring to the detected data, realize intelligent unmanned on duty and detect, can also carry out the cloud platform with abnormal data and store, carry out subsequent analysis and unusual prevention to unusual problem with better, and adopt the RS485 communication to connect, the interference killing feature that can effectual increase signal transmission, stability and fidelity degree during effectual improvement signal transmission.

Preferably, the collection module establish to voltage fluctuation tester and power module, voltage fluctuation tester direct be connected with power module, just power module adopt be the DC power supply battery, what collection module adopted in this application is the voltage fluctuation tester, can directly carry out real-time data signal to incoming voltage and gather to the relative whole electric wire netting of instrument and equipment is independent, the later stage of being convenient for is changed and is maintained, adopts the DC power supply simultaneously, can be completely independent each other with the electric wire netting power supply, stability when can guaranteeing data acquisition to the at utmost, avoid the electric wire netting to influence the instrument data acquisition unusually.

Preferably, the feedback output end of the analysis processing module is directly connected with the feedback input end of the central processing unit through the analysis feedback module, the feedback frequency of the analysis feedback module is 20 ms/time, and the data information after analysis processing can be timely transmitted to the processor for judging the next action through continuous feedback processing of the information.

Preferably, the abnormality determination threshold of the voltage change rate determination module is set to 1%, and the abnormality determination threshold of the voltage change range module is set to plus or minus 10%.

Preferably, the logical relationship of the voltage change rate determination module and the voltage change range module in the analysis processing module is set as and logic, because the voltage range fluctuation is caused by accidental conditions in actual operation, when the voltage change speed is not more than 1%, the normal range fluctuation is determined, no further emergency action is needed, and only when the frequency of the voltage range fluctuation more than 10% is more than 1%, the power grid equipment is damaged, so the application adopts the way that the voltage change rate determination module and the voltage change range module are mutually matched with the logic at the same time in the analysis processing module, and the next emergency processing switch and alarm starting action is carried out under the determination of the analysis processing module only when the data determined in the voltage change rate determination module and the voltage change range module exceed the normal threshold value, while the incoming line voltage is monitored in real time, the misoperation of accidental data is effectively avoided.

The utility model has the advantages that:

1) the system can effectively acquire and detect signals in real time in the voltage range fluctuation and the fluctuation frequency of the incoming line voltage, can perform emergency treatment and alarm treatment in the shortest time, can improve the intelligent degree of power grid data detection to the maximum extent, effectively improves the detection progress and timeliness, effectively avoids abnormal operation of power distribution equipment during neutral detection, effectively prevents equipment damage, and effectively reduces the equipment maintenance cost;

2) the remote monitoring and storage device of the upper computer are adopted, the remote monitoring of the detection data can be effectively achieved, intelligent unattended detection is achieved, the abnormal data can be stored through the cloud platform, and therefore follow-up analysis and abnormal prevention can be better carried out on the abnormal problems.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is the utility model relates to a join in marriage undulant detection device of electrical room outer net's structure module sketch map.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in further detail below.

Referring to fig. 1, a power distribution room external network fluctuation detection device includes a central processing unit and an acquisition module, an output end of the acquisition module is directly connected with an input end of the central processing unit through a signal filtering module, an output end of the central processing unit is respectively and simultaneously connected with input ends of a voltage change rate determination module and a voltage change range module, output ends of the voltage change rate determination module and the voltage change range module are simultaneously connected with an input end of an analysis processing module, an output end of the analysis processing module is respectively connected with an emergency processing switch and an alarm, and the central processing unit is respectively matched with the acquisition module and the analysis processing module to form the external network fluctuation detection device.

In this embodiment, central processing unit's output still be connected with the host computer through the RS485 communication, the host computer be connected in remote display and cloud platform data storage respectively, remote monitoring and storage device through adopting the host computer, can reach effectual remote monitoring to the detected data, realize intelligent unmanned on duty and detect, can also carry out the cloud platform with abnormal data and store, carry out subsequent analysis and unusual prevention to unusual problem with better, and adopt the RS485 communication to connect, the interference killing feature that can effectual increase signal transmission, stability and fidelity degree during effectual improvement signal transmission.

In this embodiment, collection module establish to voltage fluctuation tester and power module, voltage fluctuation tester direct be connected with power module, just power module adopt be the DC power supply battery, what collection module adopted in this application is the voltage fluctuation tester, can directly carry out real-time data signal to incoming voltage and gather to the relative whole electric wire netting of instrument and equipment is independent, be convenient for later stage change and maintenance, adopt the DC power supply simultaneously, can be completely independent each other with the electric wire netting power supply, stability when can guaranteeing data acquisition to the at utmost, avoid the electric wire netting to influence the instrument data acquisition unusually.

In this embodiment, the feedback output end of the analysis processing module is directly connected to the feedback input end of the central processing unit through the analysis feedback module, the feedback frequency of the analysis feedback module is 20 ms/time, and the analyzed and processed data information can be timely transmitted to the processor for determining the next action through continuous feedback processing of the information.

In this embodiment, the abnormality determination threshold of the voltage change rate determination module is set to 1%, and the abnormality determination threshold of the voltage change range module is set to plus or minus 10%.

In this embodiment, the logical relationship between the voltage change rate determination module and the voltage change range module in the analysis processing module is set to be and logic, because there is a voltage range fluctuation caused by an accidental situation in actual operation, when the voltage change speed is not greater than 1%, it is determined that the voltage range fluctuates normally, no further emergency action is needed, and only when the frequency of the voltage range fluctuation greater than 10% is greater than 1%, the power grid equipment is damaged, so the application adopts the way that the voltage change rate determination module and the voltage change range module are mutually matched with the logic and the analysis processing module, and only when the data determined in the voltage change rate determination module and the voltage change range module exceed the normal threshold value, the next emergency processing switch and alarm turn on action is performed under the determination of the analysis processing module, while the incoming line voltage is monitored in real time, the misoperation of accidental data is effectively avoided.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the foregoing description is illustrative in nature and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims (6)

1. The utility model provides a join in marriage undulant detection device of electrical room outer net, includes central processing unit and collection module, its characterized in that: the output of collection module pass through signal filtering module and directly be connected with central processing unit's input, central processing unit's output be connected with the input of voltage change rate decision module and voltage change scope module simultaneously respectively, the output of voltage change rate decision module and voltage change scope module is connected with analysis processing module's input simultaneously, analysis processing module's output be connected in emergency treatment switch and alarm respectively, central processing unit constitute outer net fluctuation detection device with collection module and analysis processing module cooperation respectively.

2. The distribution room external network fluctuation detection device of claim 1, wherein the output end of the central processing unit is further connected with an upper computer through RS485 communication, and the upper computer is respectively connected with a remote display and a cloud platform data storage.

3. The power distribution room external network fluctuation detection device according to claim 1, wherein the collection module is a voltage fluctuation tester and a power module, the voltage fluctuation tester is directly connected with the power module, and the power module uses a direct current power supply battery.

4. The power distribution room external grid fluctuation detection device according to claim 1, wherein the feedback output end of the analysis processing module is directly connected with the feedback input end of the central processing unit through the analysis feedback module, and the feedback frequency of the analysis feedback module is 20 ms/time.

5. The distribution room outer network fluctuation detection apparatus according to claim 1, wherein the abnormality determination threshold of the voltage change rate determination module is set to 1%, and the abnormality determination threshold of the voltage change range module is set to plus or minus 10%.

6. The power distribution extranet fluctuation detection apparatus according to claim 5, wherein the logical relationship between the voltage change rate determination module and the voltage change range module in the analysis processing module is set as AND logic.

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