CN103532239B - A kind of operation power equipment on-line teletransmission display and warning device - Google Patents

Abstract

The invention discloses an online remote transmission display and alarm device for electric power operation equipment, comprising a high-voltage inductive sensor device and a high-voltage electrified display device arranged at the substation end, a display and alarm terminal arranged at the local end, and a terminal and terminal arranged at the substation end The wireless transmission device between; the high-voltage inductive sensor device, the high-voltage charged display device, the wireless transmission device and the display and alarm terminal are connected in sequence. The online remote transmission display and alarm device for electric power operation equipment of the present invention can overcome the defects of small monitoring range, low reliability and poor accuracy in the prior art, so as to realize the advantages of large monitoring range, high reliability and good accuracy.

Description

An online remote transmission display and alarm device for electric power operation equipment

technical field

The invention relates to the technical field of electric power equipment, in particular to an online remote transmission display and alarm device for electric power operation equipment.

Background technique

As a device that can convert invisible high-voltage electrical signals into visible light signals and reflect the charging status of high-voltage equipment, the high-voltage live display device has been widely used in the power industry.

The high-voltage charged display device can transmit the signal of whether the high-voltage charged body is charged or not to the luminous or sound element, display or block the high-voltage switchgear at the same time, including two parts of the sensor and the display.

The high-voltage charged display device detects the output signal of the sensor, and displays the charging status in the form of light-emitting devices or sound components after processing. Its appearance solves the problem of "electricity is invisible" and can effectively prevent people from The high-voltage electric shock accidents and short-circuit damage accidents caused by the live status of the equipment are not known, especially to prevent the line side from being connected to the ground wire, the live switch from being connected to the ground, and preventing personnel from touching live equipment by mistake.

In the process of realizing the present invention, the inventors found that the prior art at least has defects such as small monitoring range, low reliability and poor accuracy.

Contents of the invention

The purpose of the present invention is to solve the above problems and propose an online remote transmission display and alarm device for electric power operation equipment, so as to realize the advantages of large monitoring range, high reliability and good accuracy.

In order to achieve the above purpose, the technical solution adopted by the present invention is: an online remote transmission display and alarm device for electric power operation equipment, including a high-voltage inductive sensor device and a high-voltage live display device installed at the substation end, and a display and alarm device installed at the local end The terminal, and the wireless transmission device arranged between the substation terminal and the terminal; the high-voltage inductive sensor device, the high-voltage electrified display device, the wireless transmission device, and the display and alarm terminal are sequentially connected.

Further, the above-mentioned online remote display and alarm device for electric power operation equipment also includes a remote monitoring center connected to the display and alarm terminal through a private power network.

Further, the remote monitoring center includes a computer or an industrial computer with a remote communication function.

Further, the high-voltage inductive sensor device includes a plurality of high-voltage inductive sensors arranged in parallel and respectively connected to the high-voltage charging display device.

Further, the high-voltage charging display device includes a power supply module capable of automatic charging, a non-contact charging display device connected to the power supply module and a high-voltage inductive sensor device, and a contactless charging display device connected to the non-contact charging display device. A wireless data transmission module between the device and the wireless transmission device.

Further, the wireless transmission device includes a base station connected to the high-voltage charged display device and a display and alarm terminal respectively;

The base station is connected to the high-voltage charged display device through a 2G/3G communication network; the base station is connected to a display and alarm terminal through a short message channel or a 2G/3G communication network.

Further, the display and alarm terminal includes a mobile phone for alarming with the high-voltage charged display device mainly through short messages, and a monitoring terminal mainly used for displaying corresponding information of the high-voltage charged display device.

Further, the monitoring terminal includes a wireless communication main module connected to the wireless transmission device, a monitoring workstation connected to the wireless communication main module and the private power network, and an information display module connected to the monitoring workstation .

Further, the monitoring workstation includes an industrial computer or a single-chip microcomputer or a DSP processor.

The online remote transmission display and alarm device for electric power operation equipment in each embodiment of the present invention includes a high-voltage inductive sensor device and a high-voltage electrified display device located at the substation end, a display and alarm terminal located at the local end, and a terminal located at the substation end and Wireless transmission device between terminals; high-voltage inductive sensor device, high-voltage live display device, wireless transmission device and display and alarm terminals are connected in sequence; real-time remote monitoring of line voltage changes of various voltage levels can be realized, and operation duty can be increased Provide personnel with a basis for judging whether the line is live, realize auxiliary monitoring of substation voltage information after the substation is unattended, and timely find faults to improve the accuracy of switching operations and accident handling; thus it can overcome the small monitoring range and low reliability of the existing technology And the defects of poor accuracy, in order to realize the advantages of large monitoring range, high reliability and good accuracy.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention.

The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the attached picture:

Fig. 1 is a schematic diagram of the working principle of the online remote transmission display and alarm device of the electric power operation equipment of the present invention.

detailed description

The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

According to an embodiment of the present invention, as shown in FIG. 1 , an online remote transmission display and alarm device for electric power operation equipment is provided, specifically an online remote transmission device for voltage transformer voltage display in the 220kV double-bus connection mode.

The online remote transmission display and alarm device for electric power operation equipment in this embodiment includes a high-voltage inductive sensor device and a high-voltage live display device located at the substation end, a display and alarm terminal located at the local end, and an installation between the substation end and the terminal. The wireless transmission device; the high-voltage inductive sensor device, the high-voltage live display device, the wireless transmission device and the display and alarm terminal are connected in sequence; it also includes a remote monitoring center connected to the display and alarm terminal through the power private network. The remote monitoring center includes a Computer or industrial computer with remote communication function.

Wherein, the above-mentioned high-voltage inductive sensor device includes a plurality of high-voltage inductive sensors arranged in parallel and respectively connected to the high-voltage charging display device.

The above-mentioned high-voltage charging display device includes a power module capable of automatic charging, a non-contact charging display device connected to the power module and a high-voltage inductive sensor device, and a non-contact charging display device connected between the wireless transmission device. Wireless data transmission module.

The above-mentioned wireless transmission device includes a base station connected to the high-voltage charged display device and the display and alarm terminal respectively; the base station and the high-voltage charged display device are connected through a 2G/3G communication network; the base station and the display and alarm terminal are connected through a short message channel Or 2G/3G communication network connection.

The above-mentioned display and alarm terminal includes a mobile phone used to communicate with the high-voltage charged display device mainly through short messages for alarming, and a monitoring terminal mainly used to display corresponding information of the high-voltage charged display device. The monitoring terminal includes a wireless communication main module connected to the wireless transmission device, a monitoring workstation connected to the wireless communication main module and the private power network, and an information display module connected to the monitoring workstation. Monitoring workstation, including industrial computer or single chip or DSP processor.

The online remote transmission display and alarm device of the electric power operation equipment in the above embodiment includes a high-voltage inductive sensor device and a wireless transmission device. When the 220kV line stops power transmission, the high-voltage inductive sensor senses the change of the line voltage and transmits the information through the local area network. , mobile communication text messages, etc. to reflect the line voltage changes to the operation personnel on duty, so that the operation personnel on duty at the centralized control station can monitor the electrification of each 220kV line in the background monitoring system or through mobile phone text messages; through the online remote transmission display of the power operation equipment And the alarm device, increase the operating duty personnel to judge whether the line is charged or not, and reduce the probability of misoperation.

Referring to Fig. 1, the online remote transmission display and alarm device of the power operation equipment in the above embodiment, when working, first collects live information from the substation end, and uses a high-voltage live display device (such as a non-contact live display device) for voltage collection. The sensor device (including multiple sensors, such as the first sensor, the second sensor and the third sensor) uses wireless sensing technology and has a wide range of voltage sensing, which can basically meet the accuracy requirements of the induced voltage for the voltage level of 110kV--330kV. The online remote transmission display and alarm device of the electric power operation equipment uses the electric field coupling principle between the high-voltage electric field and the sensor to accurately sense the change of the primary voltage of the line from a safe distance, and generates an intuitive signal that reflects whether the line is under voltage or not. Signal; the sensed live information is transmitted to the wireless remote transmission module in the form of digital switch, and the information is transmitted to the pre-set mobile phone and the platform software analysis alarm on the main control server (such as a monitoring workstation) through the remote transmission module , if necessary, the alarm information can also be uploaded to the superior monitoring center by the electric power private network.

The electric power operation equipment online remote transmission display and alarm device of the above-mentioned embodiment can realize the following functions:

⑴ Automatic alarm function:

①Changes in charged information volume:

After the sensor detects the change of the line charging situation, it will automatically and in real time give an early warning on the background workstation of the line information of the current charging change and send an alarm message to the mobile phone of the designated staff.

②Internal failure:

If the working power supply voltage is lower than the lower limit or the device suddenly loses power and other equipment failures, the system will automatically send an alarm message in real time (a dialog box will pop up on the monitoring workstation for equipment failure).

⑵Run self-test function:

The system checks automatically at regular intervals to check whether the electrified display device at the station is operating normally. The self-inspection process is carried out automatically without manual participation, and any fault can be identified at any time.

⑶Front-end equipment management functions:

Manage all live display remote transmission devices at the management station. You can add and delete equipment, check the online status of equipment, set the mobile phone number of the person who sends the alarm information to the device, etc.

Automatically send SMS alarm information according to the change of charging capacity and equipment failure. The SMS alarm information can be edited on the software platform, and the mobile phone that needs to receive alarm SMS can be added or deleted according to actual needs.

⑷ Centralized control function:

It has the ability to manage multiple substation live display remote transmission devices. And have the ability to upload to other systems through the Ethernet interface.

⑸Electronic map function:

Through the way of a wiring diagram, the distribution of the front-end monitoring equipment of the system is generally reflected, so that the staff can intuitively understand the charging status of each monitoring line through the diagram, (the change of the live information is reflected in the monitoring workstation software as a wiring In the figure, live lines are represented by green, uncharged lines are represented by red), view real-time information (unprocessed alarm information, processed alarm information, system log information, operation log information), and can process alarm information.

⑹Query function:

The staff can obtain the live information feedback of the designated access line by inquiring through mobile phone text messages.

The online remote transmission display and alarm device of the electric power operation equipment in the above embodiment has the following characteristics:

(1) The high-voltage charged display device sends the charged state of the line to the mobile phone of the staff and the background terminal through the 2G/3G wireless channel;

(2) The high-voltage live display device is used in the substation double-bus connection mode. When the 220kV line stops power transmission, it can reflect the change of the line voltage to the operator on duty through the 2G/3G wireless channel; through the online remote transmission display of the power operation equipment And the alarm device, increase the operating duty personnel to judge whether the line is charged or not, and reduce the probability of misoperation.

Compared with the methods in the prior art, the online remote transmission display and alarm device for electric power operating equipment in the above embodiment has at least one of the following advantages:

(1) It can realize real-time remote monitoring of line voltage changes of various voltage levels;

(2) It is possible to increase the operating staff on duty to provide a basis for judging whether the line is live;

(3) After the substation is unattended, it can assist in monitoring the voltage information of the substation, find faults in time, and improve the accuracy of switching operations and accident handling.

Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still The technical solutions recorded in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (9)

1. an operation power equipment on-line teletransmission display and warning device, it is characterized in that, comprise the high-voltage inductosyn device and high voltage display device that are located at transformer substation end, it is located at display and the alarm terminal of local side, and the radio transmitting device being located between transformer substation end and terminal; Described high-voltage inductosyn device, high voltage display device, radio transmitting device and display and alarm terminal connect successively;

This operation power equipment on-line teletransmission display and warning device, during work, first gather charged information from transformer substation end, voltage acquisition uses high voltage display device, high-voltage inductosyn device uses wireless induction technology, and voltage induced meets 110kV to 330kV voltage range to the accuracy requirement of induction voltage; This operation power equipment on-line teletransmission display and warning device, by the field coupling principle between high-voltage electric field and sensor, induce the change of a circuit voltage accurately outside safe distance, and generates the signal that intuitively reflection circuit has pressure with no pressure; The charged information sensed reaches wireless remote transmission module in the way of digitizing switching value, is sent on the mobile phone set in advance by remote-transmission module by information and resolves by platform software on main control server and reports to the police.

2. operation power equipment on-line teletransmission display according to claim 1 and warning device, it is characterised in that, also comprise the remote monitoring center being connected by power private network with described display and alarm terminal.

3. operation power equipment on-line teletransmission display according to claim 2 and warning device, it is characterised in that, described remote monitoring center, comprises the computer or industrial computer with telecommunications functions.

4. operation power equipment on-line teletransmission display according to any one of claim 1-3 and warning device, it is characterized in that, described high-voltage inductosyn device, comprises parallel setting and is connected to multiple high-voltage inductosyns of high voltage display device respectively.

5. operation power equipment on-line teletransmission display according to any one of claim 1-3 and warning device, it is characterized in that, described high voltage display device, comprising can the power supply module of automatic charging, the charged display unit of noncontact formula being connected with described power supply module and high-voltage inductosyn device respectively, and the wireless data transfer module being connected between the described charged display unit of noncontact formula and radio transmitting device.

6. operation power equipment on-line teletransmission display according to any one of claim 1-3 and warning device, it is characterised in that, described radio transmitting device, comprises the base station being connected respectively with described high voltage display device and display and alarm terminal;

Between described base station and high voltage display device, connected by 2G/3G network of communication; Between described base station and display and alarm terminal, connected by short message channel or 2G/3G network of communication.

7. operation power equipment on-line teletransmission display according to any one of claim 1-3 and warning device, it is characterized in that, described display and alarm terminal, comprise for carrying out the mobile phone reported to the police between high voltage display device mainly through note, and it is mainly used in showing the monitoring terminal of the corresponding information of high voltage display device.

8. operation power equipment on-line teletransmission display according to claim 7 and warning device, it is characterized in that, described monitoring terminal, comprise the radio communication primary module being connected with described radio transmitting device, the monitor workstation being connected with described radio communication primary module and power private network respectively, and the information display module being connected with described monitor workstation.

9. operation power equipment on-line teletransmission display according to claim 8 and warning device, it is characterised in that, described monitor workstation, comprises industrial computer or micro-chip or dsp processor.