CN216816940U

CN216816940U - Transformer substation monitoring device based on power internet of things

Info

Publication number: CN216816940U
Application number: CN202122734671.9U
Authority: CN
Inventors: 郑琰; 张延辉; 朱莉; 景中炤; 杨铮; 何天骥; 闫红华
Original assignee: Shandong Guorui Electric Power Technology Co ltd; State Grid Henan Electric Power Co Zhengzhou Power Supply Co; State Grid Corp of China SGCC
Current assignee: Shandong Guorui Electric Power Technology Co ltd; State Grid Henan Electric Power Co Zhengzhou Power Supply Co; State Grid Corp of China SGCC
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-06-24
Anticipated expiration: 2031-11-10

Abstract

The utility model discloses a transformer substation monitoring device based on the Internet of things of electric power, which comprises a shell and a laser ranging sensor, wherein the laser ranging sensor is arranged in the shell, a laser head on the laser ranging sensor extends out of the lower end surface of the shell, a push plate is also arranged in the shell, a screw rod is arranged on the upper end surface of the push plate, the screw rod extends out of the upper end surface of the shell, and a pressure sensor is arranged on the screw rod; the casing is hollow cuboid casing, and the preceding terminal surface of casing is open type structure, is provided with the screw hole that runs through casing upper end wall from top to bottom on the up end of casing, is provided with the through hole that runs through casing lower end wall from top to bottom on the lower terminal surface of casing, and both ends are close to casing rear end face department about the casing outside and are provided with the extension board that has the bolt hole. The utility model can monitor the opening and closing state of the transformer substation door in real time, and prevent irrelevant personnel or small animals from entering the transformer substation when the transformer substation door is opened for a long time.

Description

Transformer substation monitoring device based on power internet of things

Technical Field

The utility model belongs to the field of monitoring of substations, and particularly relates to a substation monitoring device based on an electric power internet of things.

Background

With the rapid development of social economy, in order to adapt to the characteristics of energy shortage and load consumption regional distribution in China, the development mode of power grids adopted by the current and future social development in China is matched, the rapid development of new energy is a necessary trend, in order to realize the large-scale and high-efficiency configuration of energy resources, in the construction of an intelligent power grid, an intelligent substation is one of core platforms, the safety monitoring of the current substation is almost mainly performed by people, but people cannot perform inspection 24 hours all day long, the timely discovery when equipment fails can not be guaranteed, particularly for an access control system of the substation, if the opening and closing door of the substation is opened greatly due to the fact that an operator forgets to close the door or other reasons, other irrelevant people or small animals can enter the substation, and if the opening and closing door is touched by electric equipment or the key equipment is mistakenly touched, the loss is great, and even the personal safety is threatened, so the opening and closing state of the switch door of the transformer substation needs to be monitored all the time.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the defects of the prior art are overcome, and the transformer substation monitoring device based on the power internet of things is provided, wherein the opening and closing states of the switch door of the transformer substation can be monitored constantly.

The technical scheme adopted by the utility model for solving the technical problem is as follows:

the utility model provides a transformer substation monitoring devices based on electric power thing networking, includes casing and laser range finding sensor, the casing is hollow cuboid casing, the preceding terminal surface of casing is open type structure, run through from top to bottom being provided with on the up end of casing the screw hole of casing upper end wall, run through from top to bottom being provided with on the lower terminal surface of casing the through hole of casing lower end wall, both ends are close to about the casing outside casing rear end face department is provided with the extension board that has the bolt hole, and the bolt hole that utilizes on the extension board passes through bolt or fixed rope will the casing is fixed at predetermined position.

The shell is internally provided with a controller and a laser ranging sensor, the controller is provided with a time delay relay, a laser head on the laser ranging sensor extends out of the through hole on the lower end surface of the shell, the laser head is aligned with the upper end surface of the shell when the switch door is closed, and after the opening time of the switch door exceeds the preset time of the time delay relay, the laser ranging sensor transmits the opening information of the switch door at the moment to the controller,

the controller is connected with intelligent detection terminal through wireless, intelligent detection terminal is connected with intelligent information concentrator through first gateway, intelligent information concentrator is connected with system's main website through the second gateway, system's main website is connected with local backstage system to be connected with thing networking cloud platform through wireless public network and thing networking sub-station, local backstage system passes to cell-phone APP and system interface with information on, and utilizes bee calling organ suggestion staff's the state of the switch door of transformer substation this moment.

Still be provided with the push pedal in the casing, the push pedal sets up laser ranging sensor's top, the push pedal size with the inside size phase-match of casing, just the push pedal can the casing is inside to slide from top to bottom.

The upper end face of the push plate is provided with a screw rod, the screw rod comprises an upper screw rod and a lower screw rod, the upper screw rod and the lower screw rod are arranged between the pressure sensor, the upper screw rod is a T-shaped screw rod, the lower end of the upper screw rod penetrates through the threaded hole and then is connected with the pressure sensor, the upper end of the lower screw rod is connected with the lower end of the pressure sensor, and the lower end of the lower screw rod is provided with a ball head.

A ball socket is arranged on the upper end surface of the push plate and corresponds to the ball head on the lower screw rod, the ball head is arranged in the ball socket, and the lower screw rod and the push plate are connected together through the ball head and the ball socket.

The LED digital display screen is arranged on the lower end face of the inner portion of the shell, the LED digital display screen, the pressure sensor and the laser ranging sensor are all connected with the controller, the controller is connected with an external power supply through a conducting wire, the controller is also connected with two audible and visual alarms which are a first audible and visual alarm and a second audible and visual alarm respectively, the first audible and visual alarm is used for detecting opening and closing of a door of a transformer substation and giving an alarm, and when the laser ranging sensor detects abnormality, the audible and visual alarm gives an audible and visual alarm; and the second audible and visual alarm is used for sending out audible and visual prompt when the pressure sensor detects that the pressure of the push plate on the laser ranging sensor is greater than a preset threshold value.

Rotatory the screw rod promotes downwards the push pedal utilizes the push pedal right laser rangefinder sensor fixes, utilizes the reaction force of power, can utilize pressure sensor detects out the push pedal is right laser rangefinder sensor's pressure, and pass through LED digital display screen shows the pressure value.

The laser ranging sensor transmits monitored data streams to a corresponding first MCU module in the intelligent detection terminal, the first MCU module removes invalid and interfered signal wave bands and reduces current noise of the data streams through a signal filter and a noise reduction module respectively, timely stores data through a first storage chip and a first synchronous dynamic random access memory, then transmits the signals through a first wireless radio frequency module, and enhances and amplifies the signals through a first power amplifier during transmission so that transmission quality distances are well guaranteed, and finally transmits the data signals through a first antenna.

When the intelligent information aggregator receives the data sent by the intelligent detection terminal, the intelligent information aggregator utilizes a second antenna to wirelessly receive the data, the received data is processed by a second power amplifier on the intelligent information aggregator and is transmitted to a second wireless radio frequency module to be converted, the converted data is collected and stored by a second MCU module through a second storage chip and a second synchronous dynamic random access memory, the stored data is amplified and enhanced by a third power amplifier, the amplified data is transmitted to a third MCU module in the system master station through the second gateway, and the third MCU module transmits the information to a mobile phone APP or a system interface.

The utility model has the following positive beneficial effects:

1. according to the utility model, the laser range finder is fixed by the shell, the laser range finder is placed in the shell only by fixing the shell at a preset position by bolts through bolt holes on the extension plate and aligning and fixing the laser range finder by the push plate, and even if the laser range finder is damaged, the laser range finder can be replaced only by replacing the laser range finder, even if the laser range finder with different sizes is fixed in the shell by the push plate as long as the laser range finder conforms to the internal size of the shell, so that the use is convenient and the operation is simple.

2. According to the utility model, the laser head is aligned to the upper end face of the closed switch door, the delay relay on the controller is used for carrying out delay alarm on the laser ranging sensor, if the switch door of the transformer substation is opened only in a short time, the first audible and visual alarm does not give an alarm, and when the opening time of the switch door of the transformer substation exceeds the time set by the delay relay, the audible and visual alarm is carried out by using the first audible and visual alarm, so that the switch door of the transformer substation is prevented from being opened for a long time, and therefore, irrelevant personnel or small animals are prevented from entering the transformer substation.

3. According to the utility model, the pressure sensor is arranged between the upper screw and the lower screw, the pressure of the push plate on the laser ranging sensor can be detected by the pressure sensor by utilizing the reaction force of force, the pressure value is displayed by the LED digital display screen, and the sound and light early warning is carried out by the second audible and visual alarm on the controller, so that the laser ranging sensor is prevented from being damaged by excessive pressure.

Drawings

Fig. 1 is a schematic structural diagram of a substation monitoring device based on the internet of things for electric power of the utility model;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a rear view of FIG. 1;

fig. 4 is an electrical connection block diagram of a substation monitoring device based on the internet of things of electric power of the utility model;

FIG. 5 is a hardware schematic of the intelligent detection terminal of FIG. 4;

fig. 6 is a hardware schematic diagram between the intelligent information aggregator and the system master in fig. 4.

Detailed Description

Embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided for a more thorough and complete understanding of the present invention. It should be understood that the drawings and the embodiments of the present invention are illustrative only and are not intended to limit the scope of the present invention.

The term "include" and variations thereof as used herein are open-ended, i.e., "including but not limited to".

It should be noted that the terms "first", "second", and the like in the present invention are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence of the functions performed by the devices, modules or units.

The names of messages or information exchanged between devices in the embodiments of the present invention are for illustrative purposes only, and are not intended to limit the scope of the messages or information.

Referring to fig. 1, 2, 3, 4, 5 and 6: in the figure, 1-shell, 2-laser ranging sensor, 3-bolt hole, 4-extension plate, 5-push plate, 6-laser head, 7-LED digital display screen, 8-pressure sensor, 9-upper screw, 10-lower screw, 11-first MCU module, 12-signal filter, 13-noise reduction module, 14-first memory chip, 15-first synchronous dynamic random access memory, 16-first wireless radio frequency module, 17-first power amplifier, 18-first antenna, 19-second antenna, 20-second power amplifier, 21-second wireless radio frequency module, 22-second MCU module, 23-second memory chip, 24-second synchronous dynamic random access memory, 25-third power amplifier, 26-second gateway, 27-third MCU module, 28-cell phone APP, 29-system interface.

Example (b): the utility model provides a transformer substation monitoring devices based on electric power thing networking, including casing 1 and laser range finding sensor 2, casing 1 is hollow cuboid casing 1, casing 1's preceding terminal surface is open type structure, be provided with the screw hole that runs through casing 1 upper end wall from top to bottom on casing 1's the up end, be provided with the through hole that runs through casing 1 lower end wall from top to bottom on casing 1's the lower terminal surface, both ends are provided with extension plate 4 that has bolt hole 3 near casing 1 rear end face department about the casing 1 outside, utilize bolt hole 3 on the extension plate 4 to fix casing 1 in predetermined position through bolt or fixed rope.

A controller and a laser ranging sensor 2 are arranged in a shell 1, the laser ranging sensor 2 is fixed by a push plate 5, a delay relay is arranged on the controller, a laser head 6 on the laser ranging sensor 2 extends out of a through hole on the lower end face of the shell 1, the laser head 6 is aligned with the upper end face when a switch door is closed, the laser ranging sensor 2 transmits the opening information of the switch door to the controller, the controller is connected with an intelligent detection terminal through wireless, the intelligent detection terminal is connected with an intelligent information concentrator through a first gateway, the intelligent information concentrator is connected with a system main station through a second gateway, the system main station is connected with a local background system, and the local background system transmits information to a mobile phone APP and a system interface and prompts the state of the transformer substation for opening and closing the door by using a buzzer.

An LED digital display screen 7 is arranged on the lower end face of the interior of the shell 1, the LED digital display screen 7, the pressure sensor 8 and the laser ranging sensor 2 are all connected with a controller, the controller is connected with an external power supply through a lead, the controller is also connected with two audible and visual alarms which are a first audible and visual alarm and a second audible and visual alarm respectively, the first audible and visual alarm is used for detecting opening and closing of a door of a transformer substation and giving an alarm, and when the laser ranging sensor 2 detects abnormality, the audible and visual alarm gives an audible and visual alarm; and the second audible and visual alarm is used for giving out audible and visual prompts when the pressure sensor 8 detects that the pressure of the push plate 5 on the laser ranging sensor 2 is greater than a preset threshold value.

Rotatory screw rod promotes push pedal 5 downwards, utilizes push pedal 5 to fix laser rangefinder sensor 2, utilizes the reaction force of power, can utilize pressure sensor 8 to detect out push pedal 5 to laser rangefinder sensor 2's pressure to show the pressure value through LED digital display screen 7.

If the switch door of the transformer substation is opened only in a short time, the first audible and visual alarm does not give an alarm, and the opening time of the switch door of the transformer substation exceeds the time set by the delay relay, the first audible and visual alarm gives an audible and visual alarm and transmits information to the local system background and the Internet of things platform through the controller to remind a worker to close the switch door in time, so that the switch door of the transformer substation is prevented from being opened for a long time, and irrelevant personnel or small animals enter the transformer substation.

Still be provided with push pedal 5 in casing 1, push pedal 5 sets up in laser range sensor 2's top, and the size of push pedal 5 and the inside size phase-match of casing 1, and push pedal 5 can slide about casing 1 is inside.

The upper end face of the push plate 5 is provided with a screw rod, the screw rod comprises an upper screw rod 9 and a lower screw rod 10, a pressure sensor 8 is arranged between the upper screw rod 9 and the lower screw rod 10, the upper screw rod 9 is a T-shaped screw rod, the lower end of the upper screw rod 9 penetrates through a threaded hole and then is connected with the pressure sensor 8, the upper end of the lower screw rod 10 is connected with the lower end of the pressure sensor 8, and the lower end of the lower screw rod 10 is provided with a ball head.

The ball socket is arranged at the position, corresponding to the ball head on the lower screw rod 10, on the upper end surface of the push plate 5, the ball head is arranged in the ball socket, and the lower screw rod 10 and the push plate 5 are connected together through the ball head and the ball socket, so that the push plate 5 can be pushed down and pulled up conveniently while the screw rod is rotated.

According to the utility model, the laser distance measuring sensor 2 is fixed by the shell 1, the shell 1 is fixed at a preset position by bolts through bolt holes 3 on the extension plate 4, the laser distance measuring sensor 2 is placed in the shell and is aligned and fixed by the push plate 5, even if the laser distance measuring sensor 2 is damaged, only the laser distance measuring instrument needs to be replaced, even if the laser distance measuring instrument with different sizes is adopted, the laser distance measuring instrument can be fixed in the shell 1 by the push plate 5 as long as the laser distance measuring instrument conforms to the internal size of the shell 1, the use is convenient, and the operation is simple.

The laser ranging sensor 2 transmits monitored data streams to a first MCU module 11 in a corresponding intelligent detection terminal, the first MCU module 11 invalidates the data streams through a signal filter 12 and a noise reduction module 13, removes interference signal wave bands and reduces current noise, stores data in time through a first storage chip 14 and a first synchronous dynamic random access memory 15, transmits signals through a first wireless radio frequency module 16, and enhances and amplifies the signals through a first power amplifier 17 during transmission, so that transmission quality distances are well guaranteed, and finally, the data signals are transmitted through a first antenna 18.

When receiving data sent by the intelligent detection terminal, the intelligent information aggregator performs wireless reception by using the second antenna 19, processes the signal by using the second power amplifier 20 on the intelligent information aggregator after receiving the data, transmits the signal to the second wireless radio frequency module 21 for signal conversion, performs data collection and storage by using the second MCU module 22 through the second memory chip 23 and the second synchronous dynamic random access memory 24 after conversion, performs data signal amplification and enhancement on the stored data by using the third power amplifier 25, transmits the amplified data to the third MCU module 27 in the system master station through the second gateway 26, and transmits the information to the mobile phone APP28 or the system interface 29 by using the third MCU module 27.

In practical application, different shells 1 are made to be fixedly arranged according to different types of the switch door of the transformer substation, but are fixed above the switch door, so that a laser head 6 of a laser range finder can correspond to the upper end face of the switch door in a closed state, the laser range finder measures the distance between the laser range finder and the upper end face of the switch door and is fixed at a preset position by using a bolt hole 3 on an extension plate 4 through a bolt, or a fixing rope is threaded in the bolt hole 3 to bind the shells 1 at the preset position, the measured value of the laser range finder is a normal value in a closed state and is called a standard value, a first audible and visual alarm does not give an alarm, if the switch door is opened, the distance measured by the laser range finder is larger than the standard value, but because of the control of a delay relay, the alarm is not given right at the beginning, the time exceeds the time specified by the delay relay, and if the distance measured by the laser range finder is larger than the standard value, the first audible and visual alarm starts to alarm and wirelessly transmits the alarm information to the system main station.

Except the front end face, different through grooves can be arranged on other end faces of the shell 1 according to conditions so as to facilitate connection of wires.

It is to be noted that the foregoing description is only exemplary of the utility model and that the principles of the technology may be employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. The utility model provides a transformer substation monitoring devices based on electric power thing networking, includes casing and laser range finding sensor, characterized by: be provided with in the casing laser range sensor, the last laser head of laser range sensor stretches out the lower terminal surface of casing, still be provided with the push pedal in the casing, be provided with the screw rod on the up end of push pedal, the screw rod stretches out the up end of casing, be provided with pressure sensor on the screw rod.

2. The substation monitoring device based on the power internet of things as claimed in claim 1, wherein: the casing is hollow cuboid casing, the preceding terminal surface of casing is open type structure, run through from top to bottom being provided with on the up end of casing the screw hole of casing upper end wall, run through from top to bottom being provided with on the lower terminal surface of casing the through hole of casing lower extreme wall, both ends are close to about the casing outside casing rear end face department is provided with the extension board that has the bolt hole.

3. The substation monitoring device based on the power internet of things as claimed in claim 2, wherein: the screw rod comprises an upper screw rod and a lower screw rod, the pressure sensor is arranged between the upper screw rod and the lower screw rod, the upper screw rod is a T-shaped screw rod, the lower end of the upper screw rod penetrates through the threaded hole and then is connected with the pressure sensor, the upper end of the lower screw rod is connected with the lower end of the pressure sensor, and the lower end of the lower screw rod is provided with a ball head.

4. The substation monitoring device based on the power internet of things as claimed in claim 3, wherein: on the up end of push pedal with on the lower screw rod the corresponding position department of bulb is provided with the ball socket, the bulb sets up in the ball socket, lower screw rod with the push pedal utilizes the bulb with the ball socket is in the same place, the push pedal size with the inside size phase-match of casing, just the push pedal can the casing is inside to be slided from top to bottom.

5. The substation monitoring device based on the power internet of things as claimed in claim 4, wherein: the intelligent solar energy collecting and warning system is characterized in that an LED digital display screen is arranged on the lower end face inside the shell, the LED digital display screen, the pressure sensor and the laser ranging sensor are all connected with the controller, the controller is connected with an external power supply through a wire, two audible and visual alarms are further connected onto the controller, the controller is connected with an intelligent detection terminal through a wireless mode, the intelligent detection terminal is connected with an intelligent information collector through a first gateway, the intelligent information collector is connected with a system main station through a second gateway, and the system main station is connected with a local background system and is connected with an Internet of things cloud platform through a wireless public network and an Internet of things substation.