CN211859338U - Switch cabinet with safety early warning device - Google Patents

Abstract

The utility model discloses a switch cabinet with a safety early warning device, which comprises a cabinet body, wherein the bottom end of the cabinet body is fixedly connected with a base, the front surface of the cabinet body is hinged with a cabinet door, the outer side surface of the cabinet door is provided with a controller, the upper part of the inner cavity of the cabinet body is provided with a first clapboard, the inner cavity of the cabinet body is divided into an upper cavity and a lower cavity by the first clapboard, the left side and the right side of the inner cavity of the lower cavity are respectively provided with a first temperature sensor and a second temperature sensor, the top end of the lower cavity is connected with an air inlet pipe in a through way, and the; the air suction pump is used for drawing outside air into the air filter, the air directly enters the lower cavity through the air inlet pipe after being filtered by the air filter, the temperature in the lower cavity is taken away by the air and finally the air is discharged through the air outlet hole, so that the lower cavity can be cooled, the temperature of the inner cavity of the lower cavity can be effectively maintained at a lower level, and the safe operation of electrical elements in the lower cavity is guaranteed.

Description

Switch cabinet with safety early warning device

Technical Field

The utility model belongs to the technical field of the cubical switchboard technique and specifically relates to a cubical switchboard with safety precaution device.

Background

The switch cabinet is an electric device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment.

The classification methods of the switch cabinets are various, for example, the switch cabinets can be divided into movable switch cabinets and fixed switch cabinets by the installation mode of the circuit breaker; or according to different cabinet body structures, the cabinet body can be divided into an open type switch cabinet, a metal closed switch cabinet and a metal closed armored switch cabinet; the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like can be divided according to different voltage grades. The method is mainly suitable for various occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial textile, industrial and mining enterprises, residential districts, high-rise buildings and the like.

At present, the conventional switch cabinet safety early warning device does not have the safety early warning function, once the switch cabinet runs in an overheated state, a fire disaster is easily induced, and if the switch cabinet cannot be timely processed, accidents can be caused, and inestimable loss is brought.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cubical switchboard with safety precaution device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a switch cabinet with a safety early warning device comprises a cabinet body, wherein the cabinet body is of a box body structure with an open front, a base is fixedly connected to the bottom end of the cabinet body, a cabinet door is hinged to the front of the cabinet body, a sealing boss matched with the cabinet body is fixedly connected to the inner cavity surface of the cabinet door, a controller is installed on the outer side surface of the cabinet door, a first partition plate is arranged on the upper portion of the inner cavity of the cabinet body and divides the inner cavity of the cabinet body into an upper cavity and a lower cavity, the upper cavity is arranged above the lower cavity, a second partition plate is arranged in the inner cavity of the upper cavity and divides the inner cavity of the upper cavity into a control cavity and a storage cavity, the control cavity is arranged on the left side of the storage cavity, a first temperature sensor and a second temperature sensor are respectively installed on the left side and the right side of the inner cavity of the lower cavity, the top end of the lower, install aspirator pump and first solenoid valve in the intake pipe, first solenoid valve is established in the top of aspirator pump, the bottom through connection of cavity has the venthole with base matched with down, install the second solenoid valve in the venthole, the controller is connected with first control valve, aspirator pump, first temperature sensor and second temperature sensor respectively, detect the temperature in the cavity of resorption through first temperature sensor and second temperature sensor, once overheated phenomenon appears in the inner chamber of cavity of resorption, then first temperature sensor and second temperature sensor can be alone or jointly send a signal to the controller, then first solenoid valve, aspirator pump and second solenoid valve are directly opened to the controller, utilize the aspirator pump to pull external air and get into the air filter, directly get into the cavity of resorption through the intake pipe after the filtration of air filter indoor, utilize the air to take away indoor temperature, and finally, the gas is discharged through the gas outlet, so that the lower chamber can be cooled, the temperature of the inner cavity of the lower chamber can be effectively maintained at a lower level, and the safe operation of electrical elements in the lower chamber is ensured.

In a further embodiment, the inner chamber roof fixed mounting of cavity has smoke transducer down, smoke transducer is connected with the controller, detects to have the conflagration in the cavity down through smoke transducer to directly to controller transmission signal, the first solenoid valve of controller direct closure and second solenoid valve for form sealed environment in the cavity down, make the conflagration in the cavity down can not further expand and extinguish gradually, can effectual reduction loss.

In further embodiment, the inner chamber roof fixed mounting of lower cavity has the sandblast device, the sandblast device passes through the intercommunicating pore through connection storage chamber, install the third solenoid valve in the intercommunicating pore, the storage intracavity is filled with dry sand, and the inner chamber diapire fixed mounting of storage chamber has the water conservancy diversion fill with intercommunicating pore matched with, the third solenoid valve is connected with the controller, detects to have the conflagration in the lower cavity through smoke transducer to directly to controller transmission signal, first solenoid valve and second solenoid valve are directly closed to the controller, and through opening the third solenoid valve, make in the storage chamber dry sand pass through the intercommunicating pore and get into in the sandblast device to through sandblast device blowout dry sand, utilize dry sand to cover the flame in the lower cavity of putting out, thereby realize the shortest time and eliminate the conflagration, can the biggest reduction fire loss.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a temperature in first temperature sensor and the lower cavity of second temperature sensor detection, once the overheated phenomenon appears in the inner chamber of lower cavity, then first temperature sensor and second temperature sensor can be alone or send a signal to the controller jointly, then the controller directly opens first solenoid valve, aspirator pump and second solenoid valve, utilize the aspirator pump to pull external air and get into the air filter, directly get into the lower cavity through the intake pipe after the filtration of air filter, utilize the air to take away the temperature in the lower cavity, and discharge through the venthole at last, can realize cooling down the treatment to the lower cavity, can effectually guarantee that the inner chamber temperature of lower cavity maintains at lower level, thereby guarantee the safe operation of electrical components in the lower cavity;

2. the utility model discloses a smoke transducer detects that there is the conflagration in the lower chamber, and directly transmits the signal to the controller, and the controller directly closes first solenoid valve and second solenoid valve for form sealed environment in the lower chamber, make the conflagration in the lower chamber can't further enlarge and extinguish gradually, can the effectual loss that reduces;

3. the utility model discloses a smoke transducer detects the indoor conflagration that exists of cavity of resorption to directly to controller transmission signal, first solenoid valve and second solenoid valve are directly closed to the controller, and through opening the third solenoid valve, make in the interior dry sand of storage cavity pass through the intercommunicating pore and get into the sandblast device, and through sandblast device blowout dry sand, utilize dry sand to cover the flame that goes out the cavity of resorption indoor, thereby realize the shortest time and eliminate the conflagration, reduction fire loss that can be the biggest.

Drawings

Fig. 1 is a schematic structural diagram of a perspective view of a switchgear cabinet with a safety precaution device;

FIG. 2 is a schematic structural diagram of a front view of a switchgear cabinet with a safety precaution device;

fig. 3 is a schematic diagram of an internal structure of a switch cabinet with a safety precaution device.

In the figure: 1-cabinet body, 2-cabinet door, 3-sealing boss, 4-first partition board, 5-lower chamber, 6-upper chamber, 7-second partition board, 8-control chamber, 9-material storage chamber, 10-air inlet pipe, 11-air suction pump, 12-first electromagnetic valve, 13-air filter, 14-air outlet hole, 15-second electromagnetic valve, 16-first temperature sensor, 17-second temperature sensor, 18-smoke sensor, 19-controller, 20-base, 21-sand blasting device, 22-communication hole, 23-third electromagnetic valve and 24-flow guide hopper.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-3, a switch cabinet with a safety warning device comprises a cabinet body 1, wherein the cabinet body 1 is a box structure with an open front, a base 20 is fixedly connected to the bottom end of the cabinet body 1, a cabinet door 2 is hinged to the front of the cabinet body 1, a sealing boss 3 matched with the cabinet body 1 is fixedly connected to the inner cavity surface of the cabinet door 2, a controller 19 is installed on the outer side surface of the cabinet door 2, a first partition plate 4 is arranged on the upper portion of the inner cavity of the cabinet body 1, the inner cavity of the cabinet body 1 is divided into an upper cavity 6 and a lower cavity 5 by the first partition plate 4, the upper cavity 6 is arranged above the lower cavity 5, a second partition plate 7 is arranged in the inner cavity of the upper cavity 6, the inner cavity of the upper cavity 6 is divided into a control cavity 8 and a material storage cavity 9 by the second partition plate 7, the control cavity 8 is arranged on the left side of the material storage cavity 9, and a first temperature, the top through connection intake pipe 10 of lower cavity 5, the top of intake pipe 10 runs through control chamber 8 and through connection air filter 13, installs aspirator pump 11 and first solenoid valve 12 on the intake pipe 10, first solenoid valve 12 is established in the top of aspirator pump 11, the bottom through connection of lower cavity 5 has venthole 14 with base 20 matched with, install second solenoid valve 15 in the venthole 14, controller 19 is connected with first solenoid valve 12, aspirator pump 11, first temperature sensor 16 and second temperature sensor 17 respectively, detects the temperature in lower cavity 5 through first temperature sensor 16 and second temperature sensor 17, and once overheated phenomenon appears in the inner chamber of lower cavity 5, then first temperature sensor 16 and second temperature sensor 17 can be alone or jointly to controller 19 signals, then controller 19 directly opens first solenoid valve 12, first solenoid valve 12, The air suction pump 11 and the second electromagnetic valve 15 draw outside air to enter the air filter 13 by using the air suction pump 11, the air directly enters the lower cavity 6 through the air inlet pipe 10 after the air filter 13 filters, the air is used for taking away the temperature in the lower cavity 5, and finally the air is discharged through the air outlet hole 14, so that the lower cavity 5 can be cooled, the temperature of the inner cavity of the lower cavity 5 can be effectively guaranteed to be maintained at a lower level, and the safe operation of electrical components in the lower cavity 5 is guaranteed.

Example 2

What is different from embodiment 1 is that a smoke sensor 18 is fixedly installed on the top wall of the inner cavity of the lower chamber 5, the smoke sensor 18 is connected with a controller 19, the smoke sensor 18 detects that a fire disaster exists in the lower chamber 5 and directly transmits a signal to the controller 19, and the controller 19 directly closes the first electromagnetic valve 12 and the second electromagnetic valve 15, so that a sealed environment is formed in the lower chamber 5, the fire disaster in the lower chamber 5 cannot be further expanded and gradually extinguished, and loss can be effectively reduced.

The inner cavity top wall of the lower chamber 5 is fixedly provided with a sand blasting device 21, the sand blasting device 21 is communicated with the material storage cavity 9 through a communication hole 22, a third electromagnetic valve 23 is arranged in the communicating hole 22, dry sand is filled in the storage cavity 9, a diversion hopper 24 matched with the communicating hole 22 is fixedly arranged on the bottom wall of the inner cavity of the storage cavity 9, the third electromagnetic valve 23 is connected with the controller 19, the presence of a fire in the lower chamber 5 is detected by the smoke sensor 18 and a signal is sent directly to the controller 19, which controller 19 closes the first solenoid valve 12 and the second solenoid valve 15 directly, and by opening the third electromagnetic valve 23, the dry sand in the storage chamber 9 enters the sand blasting device 21 through the communication hole 22, and the dry sand is sprayed out by the sand spraying device 21, and the flame in the lower chamber 5 is covered and extinguished by the dry sand, so that the fire can be eliminated in the shortest time, and the fire loss can be reduced to the maximum extent.

Working principle of examples 1-2: the temperature in the lower chamber 5 is detected through the first temperature sensor 16 and the second temperature sensor 17, once the inner cavity of the lower chamber 5 is overheated, the first temperature sensor 16 and the second temperature sensor 17 can send signals to the controller 19 independently or together, the controller 19 directly opens the first electromagnetic valve 12, the air suction pump 11 and the second electromagnetic valve 15, the air suction pump 11 is used for drawing outside air into the air filter 13, the filtered air from the air filter 13 directly enters the lower chamber 6 through the air inlet pipe 10, and the air is used for taking away the temperature in the lower chamber 5; finally, the gas is discharged through the gas outlet 14, so that the lower chamber 5 can be cooled, the temperature of the inner cavity of the lower chamber 5 can be effectively maintained at a lower level, and the safe operation of electrical components in the lower chamber 5 is ensured; directly close first solenoid valve 12 and second solenoid valve 15 through controller 19 for form sealed environment in the cavity 5 down, make the conflagration in the cavity 5 down unable further expand and extinguish gradually, can effectual reduction loss, open third solenoid valve 23 through controller 19 simultaneously, make in the storage cavity 9 dry sand pass through in the intercommunicating pore 22 gets into sandblast device 21, and through sandblast device 21 blowout dry sand, utilize the flame in the cavity 5 down of dry sand cover extinguishment, thereby realize the conflagration of eliminating in the shortest time, reduction conflagration loss that can be the biggest.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a cubical switchboard with safety precaution device, includes the cabinet body (1), its characterized in that, the cabinet body (1) is openly open box structure, and the bottom fixedly connected with base (20) of the cabinet body (1), the front of the cabinet body (1) articulates there is cabinet door (2), and controller (19) are installed to the lateral surface of cabinet door (2), the inner chamber upper portion of the cabinet body (1) is equipped with first baffle (4), first baffle (4) separate into upper chamber (6) and lower chamber (5) to the inner chamber of the cabinet body (1), and the inner chamber of upper chamber (6) is equipped with second baffle (7), control chamber (8) and storage cavity (9) are separated into to the inner chamber of upper chamber (6) to second baffle (7), first temperature sensor (16) and second temperature sensor (17) are installed respectively to the inner chamber left and right sides of lower chamber (5), the top end of the lower chamber (5) is in through connection with an air inlet pipe (10), the top end of the air inlet pipe (10) penetrates through the control chamber (8) and is in through connection with an air filter (13), an air suction pump (11) and a first electromagnetic valve (12) are mounted on the air inlet pipe (10), and the first electromagnetic valve (12) is arranged above the air suction pump (11);

the bottom through connection of lower cavity (5) has venthole (14) with base (20) matched with, install second solenoid valve (15) in venthole (14), controller (19) are connected with first solenoid valve (12), aspirator pump (11), first temperature sensor (16) and second temperature sensor (17) respectively.

2. The switch cabinet with the safety early warning device according to claim 1, wherein a sealing boss (3) matched with the cabinet body (1) is fixedly connected to the inner cavity surface of the cabinet door (2).

3. The switchgear cabinet with safety precaution device according to claim 1, characterized in that the upper chamber (6) is arranged above the lower chamber (5).

4. The switch cabinet with the safety precaution device according to claim 1, characterized in that the control chamber (8) is arranged at the left side of the material storage chamber (9).

5. The switch cabinet with the safety precaution device according to any one of claims 1-4, characterized in that, a smoke sensor (18) is fixedly installed on the top wall of the inner cavity of the lower chamber (5), and the smoke sensor (18) is connected with a controller (19).

6. The switch cabinet with the safety early warning device according to claim 5, wherein a sandblasting device (21) is fixedly installed on the top wall of the inner cavity of the lower chamber (5), the sandblasting device (21) is connected with the storage cavity (9) through a communication hole (22), a third electromagnetic valve (23) is installed in the communication hole (22), dry sand is filled in the storage cavity (9), and the third electromagnetic valve (23) is connected with the controller (19).

7. The switch cabinet with the safety precaution device according to claim 6, characterized in that the bottom wall of the inner cavity of the storage cavity (9) is fixedly provided with a diversion hopper (24) matched with the communication hole (22).

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