CN112531541B - Protection device and protection method for transformer substation monitoring equipment - Google Patents

Abstract

The invention discloses a protection device and a protection method for substation monitoring equipment, comprising a cabinet body, the top of the cabinet body is fixedly connected with a top case, and a transformer is arranged inside the cabinet body, and the four corners of the bottom surface of the top case body A protection mechanism matched with the transformer is provided, and a monitor is screwed on the surface of the protection mechanism. The invention relates to the technical field of substation protection equipment. The protection device and protection method for substation monitoring equipment can use the carbon dioxide flow to reduce the temperature of the monitor after a fire occurs through the cooperation of the protection mechanism and the auxiliary mechanism, and can suppress the fire around the monitor to prevent the monitor from being damaged by high temperature Or because the black smoke affects the observation of the monitor, carbon dioxide and negative pressure hypoxia can also be used to suppress and extinguish the fire in the cabinet in time, which greatly reduces the harm of the fire, and the auxiliary mechanism can dissipate heat in the cabinet at ordinary times, which can effectively reduce the temperature change. Potential of electrical failure and fire.

Description

Protection device and protection method for substation monitoring equipment

technical field

The invention relates to the technical field of substation protection equipment, in particular to a protection device and a protection method for substation monitoring equipment.

Background technique

The box-type substation organically combines the functions of high-voltage power receiving, transformer step-down, and low-voltage power distribution, and is installed in a moisture-proof, rust-proof, dust-proof, rat-proof, fire-proof, anti-theft, heat-insulated, fully enclosed, and movable The steel structure box, mechanical and electrical integration, fully enclosed operation, especially suitable for urban network construction and transformation, is a new type of substation after the civil substation, it replaces the original civil power distribution room, distribution substation , to become a new type of complete power transformation and distribution device, which is more suitable for residential quarters, urban public transformation, bustling downtown, construction power supply, etc.

The existing patent (notification number: CN107453246A) discloses an electrical system monitoring device for a box-type substation, which belongs to the field of substations. The present invention solves the problem that the existing box-type substation lacks the monitoring of the internal electrical system. In the process of realizing the utility model, the inventor found that the existing technology has the following problems: 1. The existing monitoring device is not protected after being installed in the substation. After a fire occurs, it is relatively easy to be damaged or blocked and interfered, so that related Personnel cannot timely understand the internal fire situation, which is extremely unfavorable for subsequent rescue; 2. It cannot function as fire suppression or auxiliary fire extinguishing, and its use is relatively limited; 3. It cannot dissipate heat inside the substation to reduce the temperature of the substation. Possibility of failure and fire.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides a protection device and protection method for substation monitoring equipment, which solves the problem that the existing monitoring device is not protected after being installed in the substation, and it is relatively easy to be damaged or damaged after a fire occurs. Blocking interference makes it impossible for relevant personnel to understand the internal fire situation in time, which is extremely unfavorable for follow-up rescue and cannot function as fire suppression or auxiliary fire extinguishing. The problem of the possibility of failure and fire.

In order to achieve the above object, the present invention is achieved through the following technical solutions: a protective device for substation monitoring equipment, including a cabinet, the top of the cabinet is fixedly connected with a top case, and the inside of the cabinet is provided with a transformer, so The four corners of the bottom surface of the top case are provided with a protection mechanism that matches with the transformer, the surface of the protection mechanism is screwed with a monitor, and the inside of the top case is provided with an auxiliary mechanism that matches the protection mechanism.

Preferably, the protection mechanism includes a connecting seat, the number of which is four, and the four connecting seats are respectively fixedly connected to the four corners of the bottom surface of the top case, and the surface of the connecting seat is provided with thread grooves, so that The threaded groove is connected with the internal thread of the monitor.

A compression tank is clamped inside the top shell, and a connecting pipe is fixedly inserted into the surface of the compression tank. One end of the connecting pipe penetrates the top shell and is fixedly connected with the connecting seat. The surface of the connecting seat is provided with a A T-shaped slot communicated with a connecting pipe, the inside of the T-shaped slot is fixedly inserted with a heat-sensitive liquid glass tube, and the inner wall of the T-shaped slot is provided with an air guide channel communicated with the threaded groove.

Preferably, the auxiliary mechanism includes a partition, the partition is fixedly connected to the inner wall of the top case, and the surface of the partition is provided with a two-way fan, and the surface of the top case is provided with a bidirectional fan on the outside. The one-way air valve, the surface of the top shell and an air port that matches the two-way fan and the protection mechanism are opened in the cabinet, and the surface of the protection mechanism is provided with a travel switch that matches it. Fan electrical connection.

Preferably, the inner wall of the top case is provided with heat insulation cotton matched with the protection mechanism, and the bottom surface of the top case is provided with a temperature controller, and the temperature controller is electrically connected with the auxiliary mechanism.

Preferably, the inside and the top surface of the top case are respectively fixedly connected with a storage battery and a solar panel that cooperate with each other, and the storage battery is electrically connected with the auxiliary mechanism and the monitor respectively.

Preferably, a warning door is provided on the surface of the cabinet, and a ventilation window is opened on the surface of the warning door.

Preferably, the interior of the compression tank is filled with liquid carbon dioxide, and the surface of the compression tank is provided with a shut-off valve matched with the connecting pipe.

A method for using a protective device for substation monitoring equipment, comprising the following steps:

S1. Under normal conditions, the temperature controller controls the two-way fan to start according to the temperature in the cabinet, and the air is ventilated and radiated through the one-way air valve to ventilate and dissipate the cabinet. Users can regularly use the monitor to understand the internal conditions of the cabinet. .

S2. When a fire breaks out in the cabinet, the heat-sensitive liquid glass tube is broken due to high temperature, and the liquid carbon dioxide in the compressed tank enters the T-shaped slot through the connecting pipe, and forms carbon dioxide gas to be ejected from the T-shaped slot. The air channel enters the threaded groove and is discharged. The connection seat and the monitor can avoid high temperature failure, and the gas flow in the connection pipe pushes the limit switch to start, so as to switch the direction of the two-way fan and inject gas into the cabinet through the gas port to assist the diffusion of carbon dioxide, and cooperate The airflow of the air guide avoids damage from flames and black smoke, and blocks the monitor, so that the user can grasp the internal situation of the cabinet in real time.

S3. Since the one-way air valve is closed, oxygen cannot be obtained in the cabinet through the two-way fan, and with the use of carbon dioxide gas, the internal fire can be effectively suppressed or extinguished as the internal oxygen is exhausted.

Beneficial effect

The invention provides a protection device and a protection method for substation monitoring equipment. Compared with the prior art, it has the following beneficial effects:

(1) The protection device and protection method for substation monitoring equipment can use the carbon dioxide flow to reduce the temperature of the monitor after a fire occurs through the cooperation of the protection mechanism and the auxiliary mechanism, and suppress the fire around the monitor to avoid monitoring The device is damaged by high temperature or the observation of the monitor is affected by black smoke.

(2) The protection device and protection method for substation monitoring equipment pass through the carbon dioxide flow protection monitor, and can also use carbon dioxide and negative pressure hypoxia to suppress and extinguish the fire in the cabinet in time, greatly reducing the fire hazard .

(3) The protection device and protection method for substation monitoring equipment use the auxiliary mechanism to dissipate heat in the cabinet at ordinary times, which can effectively reduce the possibility of transformer failure and fire.

Description of drawings

Fig. 1 is the structural representation of structure of the present invention;

Fig. 2 is the front sectional view of structure of the present invention;

Fig. 3 is the magnified view of place A in structure Fig. 2 of the present invention;

Fig. 4 is a top sectional view of the structure of the present invention.

In the figure: 1. Cabinet body; 2. Top shell; 3. Transformer; 4. Protection mechanism; 401. Connecting seat; 402. Thread groove; 403. Compression tank; 404. Connecting pipe; 405. T-shaped slot; 406 , thermal liquid glass tube; 407, air guide; 5, monitor; 6, auxiliary mechanism; 601, partition; 602, two-way fan; 603, one-way air valve;

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figure 1-4, a protective device for substation monitoring equipment, including a cabinet body 1, the top of the cabinet body 1 is fixedly connected with a top case 2, and the interior of the cabinet body 1 is provided with a transformer 3, and the bottom surface of the top case 2 The four corners are provided with protection mechanism 4 matched with transformer 3 , the surface of protection mechanism 4 is screwed with monitor 5 , and the inside of top case 2 is provided with auxiliary mechanism 6 matched with protection mechanism 4 .

In the present invention, the protection mechanism 4 includes a connecting seat 401, and the number of the connecting seat 401 is four, and the four connecting seats 401 are respectively fixedly connected to the four corners of the bottom surface of the top case 2, and the surface of the connecting seat 401 is provided with a threaded groove 402. The groove 402 is threadedly connected with the monitor 5, and the personnel on duty in the monitoring room can know the internal situation of the cabinet body 1 in real time through the monitor 5. A compression tank 403 is clamped inside the top shell 2, and the compression tank 403 can be refilled and used. The surface of 403 is fixedly plugged with a connecting pipe 404, one end of the connecting pipe 404 runs through the top shell 2 and is fixedly connected with the connecting seat 401, the surface of the connecting seat 401 is provided with a T-shaped groove 405 communicating with the connecting pipe 404, and the T-shaped groove 405 The interior of the T-shaped groove 405 is provided with a heat-sensitive liquid glass tube 406, which is an auxiliary part commonly used in fire-fighting sprinklers. .

In the present invention, the auxiliary mechanism 6 includes a partition 601, the partition 601 is fixedly connected to the inner wall of the top case 2, and the surface of the partition 601 is provided with a bidirectional fan 602, and the surface of the top case 2 is provided with a bidirectional fan 602 on the outside. The one-way air valve 603 matched with 602, the one-way air valve 603 is only opened when exhausting to the outside world, the surface of the top case 2 and the air port 604 matched with the two-way fan 602 and the protection mechanism 4 are opened in the cabinet body 1 , the surface of the protective mechanism 4 is provided with a travel switch 605 matched with it, the travel switch 605 is plugged into the surface of the connecting pipe 404, and its trigger piece will be toggled with the flow of gas in the connecting pipe 404, the travel switch 605 and the two-way fan 602 Electrically connected, the travel switch 605 can switch the direction of the two-way fan 602 .

In the present invention, the inner wall of the top shell 2 is provided with heat-insulating cotton matched with the protection mechanism 4, which improves the safety of the compression tank 403, and the bottom surface of the top shell 2 is provided with a temperature controller, and the temperature controller and the auxiliary mechanism 6 electrical connection.

In the present invention, the inside and the top surface of the top case 2 are respectively fixedly connected with a battery and a solar panel that cooperate with each other, and the battery is electrically connected with the auxiliary mechanism 6 and the monitor 5, so that the use of solar energy is more energy-saving and environment-friendly.

In the present invention, the surface of the cabinet body 1 is provided with a warning door, and the surface of the warning door is provided with ventilation windows.

In the present invention, the interior of the compression tank 403 is filled with liquid carbon dioxide, which is suitable for extinguishing fires of live equipment, precision electronic instruments, and valuable equipment, and has a better fire suppression effect in a closed environment, and the surface of the compression tank 403 A cut-off valve matched with the connecting pipe 404 is provided, which is convenient for users to refill and install.

A method for using a protective device for substation monitoring equipment, comprising the following steps:

S1. Under normal conditions, the temperature controller controls the two-way fan 602 to start according to the temperature in the cabinet 1, and the air is ventilated and dissipated in the cabinet 1 through the air intake through the ventilation window and the outlet of the one-way air valve 603. Users can regularly use the monitoring The device 5 understands the internal situation of the cabinet body 1.

S2. When a fire breaks out in the cabinet 1, the heat-sensitive liquid glass tube 406 is broken due to high temperature, and the liquid carbon dioxide in the compression tank 403 enters the T-shaped groove 405 through the connecting pipe 404, and forms carbon dioxide gas to be ejected from the T-shaped groove 405. During this process, part of the carbon dioxide enters the thread groove 402 from the air guide channel 407 and is discharged. The connection seat 401 and the monitor 5 can avoid high temperature faults, and the gas flow in the connection pipe 404 pushes the limit switch 605 to start, so as to switch the two-way fan 602. Turn to inject gas into the cabinet body 1 through the gas port 604 to assist the diffusion of carbon dioxide, and cooperate with the airflow of the air guide channel 407 to avoid flame and black smoke damage, and block the monitor 5, so that the user can grasp the internal situation of the cabinet body 1 in real time.

S3. Since the one-way air valve 603 is closed, the inside of the cabinet 1 cannot obtain oxygen through the two-way fan 602, and with the help of carbon dioxide gas, the internal fire can be effectively suppressed or extinguished as the internal oxygen is exhausted.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (6)

1. A protection device for substation monitoring equipment, comprising a cabinet (1), characterized in that: the top of the cabinet (1) is fixedly connected with a top case (2), and the inside of the cabinet (1) is provided with Transformer (3), the four corners of the bottom surface of the top shell (2) are provided with a protective mechanism (4) that matches the transformer (3), and the surface of the protective mechanism (4) is threaded with a monitor (5 ); The protection mechanism (4) includes a connecting seat (401), the number of the connecting seat (401) is four, and the four connecting seats (401) are respectively fixedly connected to the four corners of the bottom surface of the top case (2), The surface of the connecting seat (401) is provided with a thread groove (402), and the thread groove (402) is threadedly connected with the monitor (5); A compression tank (403) is clamped inside the top case (2), and a connection pipe (404) is fixedly inserted into the surface of the compression tank (403), and one end of the connection pipe (404) runs through the top case ( 2) and fixedly connected with the connecting seat (401), the surface of the connecting seat (401) is provided with a T-shaped slot (405) communicating with the connecting pipe (404), and the inside of the T-shaped slot (405) is fixedly inserted There is a heat-sensitive liquid glass tube (406), and the inner wall of the T-shaped groove (405) is provided with an air guide (407) communicating with the threaded groove (402); The inside of the top case (2) is provided with an auxiliary mechanism (6) matching with the protection mechanism (4); The auxiliary mechanism (6) includes a partition (601), the partition (601) is fixedly connected to the inner wall of the top case (2), and the surface of the partition (601) is provided with a two-way fan (602), so The surface of the top case (2) is provided with a one-way air valve (603) matched with the two-way fan (602) on the outside, and the surface of the top case (2) is provided in the cabinet (1) with a The air port (604) that the two-way fan (602) is matched with the protection mechanism (4), the surface of the protection mechanism (4) is provided with a travel switch (605) that matches it, and the travel switch (605) is connected with the two-way fan (602) electrical connection. 2. A protective device for substation monitoring equipment according to claim 1, characterized in that: the inner wall of the top case (2) is provided with heat insulation cotton matched with the protection mechanism (4), and the top case ( 2) The bottom surface is provided with a temperature controller, and the temperature controller is electrically connected with the auxiliary mechanism (6). 3. A protective device for substation monitoring equipment according to claim 1, characterized in that: the inside and the top surface of the top case (2) are respectively fixedly connected with a battery and a solar panel that cooperate with each other, and the batteries are respectively It is electrically connected with auxiliary mechanism (6) and monitor (5). 4. A protective device for substation monitoring equipment according to claim 1, characterized in that: the surface of the cabinet (1) is provided with a warning door, and the surface of the warning door is provided with a ventilation window. 5. A kind of protective device for substation monitoring equipment according to claim 1, characterized in that: the inside of the compression tank (403) is filled with liquid carbon dioxide, and the surface of the compression tank (403) is provided with a connecting pipe ( 404) matched stop valve. 6. the using method of a kind of substation monitoring equipment protective device according to claim 1, comprises the steps: S1. Under normal conditions, the temperature controller controls the two-way fan (602) to start according to the temperature in the cabinet (1), and the cabinet (1) is ventilated through the air intake through the ventilation window and the outlet of the one-way air valve (603). To dissipate heat, the user can regularly use the monitor (5) to understand the internal conditions of the cabinet (1). S2. When a fire breaks out in the cabinet (1), the heat-sensitive liquid glass tube (406) is broken due to high temperature, and the liquid carbon dioxide in the compression tank (403) enters the T-shaped groove (405) through the connecting pipe (404) and forms carbon dioxide The gas is ejected from the T-shaped slot (405), during which part of the carbon dioxide enters the threaded groove (402) from the air guiding channel (407) and is discharged, the connection seat (401) and the monitor (5) can avoid high temperature failure, and The gas flow in the connecting pipe (404) pushes the limit switch (605) to start, so as to switch the direction of the two-way fan (602) and inject gas into the cabinet (1) through the gas port (604) to assist the diffusion of carbon dioxide, and cooperate with the gas guide The airflow of the channel (407) avoids flame and black smoke damage, and blocks the monitor (5), so that the user can grasp the internal situation of the cabinet body (1) in real time. S3, because the one-way air valve (603) is closed, the cabinet body (1) cannot obtain oxygen through the two-way fan (602), and with carbon dioxide gas, the internal fire can be effectively suppressed or extinguished as the internal oxygen is exhausted.

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