CN219874538U

CN219874538U - Fireproof distribution box

Info

Publication number: CN219874538U
Application number: CN202321112236.5U
Authority: CN
Inventors: 李志学; 李俊苇; 杨辉
Original assignee: Xianghe Hengtong Electrical Equipment Co ltd
Current assignee: Xianghe Hengtong Electrical Equipment Co ltd
Priority date: 2023-05-10
Filing date: 2023-05-10
Publication date: 2023-10-20
Anticipated expiration: 2033-05-10

Abstract

The utility model discloses a fireproof distribution box which comprises a cabinet body, a cabinet door, an electromagnetic valve switch, an alarm device and a spraying device. According to the utility model, the temperature sensor is arranged to cooperate with the smoke sensor for common detection, so that the detection accuracy and the reaction sensitivity can be improved, whether the fire is caused inside or outside can be judged, when the fire is caused outside and the temperature inside the cabinet body is not high, the fire extinguishing agent tank does not need to be started, when the internal temperature is too high and the fire is found, the fire extinguishing agent tank is opened through the electromagnetic valve, the fire extinguishing agent tank is sprayed by the spraying device for extinguishing fire and reducing temperature, the channel structures which are driven to be on-off by the driving structure are arranged in the two groups of bellows, and when the fire is required, a sealing cavity is formed between the cabinet body and the cabinet door through closing the channel structures, then the internal air is pumped away through the vacuum pump, the existence of oxygen is reduced, and then the carbon dioxide is extinguished, so that the fire-retardant state can be well maintained, and the safety is improved.

Description

Fireproof distribution box

Technical Field

The utility model relates to the technical field of power distribution cabinets, in particular to a fireproof power distribution cabinet.

Background

In recent years, the fire caused by the failure of the electric device is relatively high, and the situation is increasing year by year. The power distribution cabinet of the power distribution line also has the tendency of rising every year due to fire caused by electrical short circuit, electric leakage, overlarge resistance, wire aging and the like, so that the selection of the power distribution cabinet with the fireproof effect is a focus of the current power distribution cabinet field in order to reduce fire hidden danger and prevent fire from being burnt;

the utility model discloses a fire prevention block terminal, including the box, the top fixed mounting of box has the quick-witted case, the front left side movable mounting of box has left door plant, the front right side movable mounting of box has right door plant, the inside fixed mounting of box has the mounting bracket, the inside fixed mounting of machine case has the smoke transducer that one end extends to the inside of box, the front fixed mounting of machine case has the barometer, the top movable mounting of machine case has the top cap, the inside fixed mounting of machine case has the explosion proof case, the inside movable mounting of explosion proof case has liquid carbon dioxide jar, this fire prevention block terminal, when the block terminal short circuit fires, puts out a fire through liquid carbon dioxide;

however, the above improvement technique still has certain drawbacks in use, firstly, the switch board is in a non-sealing state, liquid carbon dioxide can rapidly escape from the gap after entering the switch board when extinguishing a fire, when the temperature of the short circuit is too high, the condition of afterburning still exists, secondly, the switch board detects the fire occurrence, only the smoke occurrence inside the switch board is detected, in fact, the switch board is also affected when other devices in the switch board are in fire, and at this time, smoke is not generated inside the switch board, so that the detection efficiency of the smoke sensor is affected, meanwhile, when the smoke sensor detects the smoke entering the switch board, the fire extinguishing program is started, in fact, the external fire condition does not necessarily affect the switch board, the improvement technique can cause the occurrence of waste, and in view of this, further improvement on the fire prevention effect of the switch board is necessary.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a fireproof distribution box.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a fire prevention type block terminal, includes the cabinet body, cabinet door, solenoid valve switch, alarm device and sprinkler, the cabinet door rotates to be connected at cabinet body antetheca, be provided with the sealing layer between cabinet body and the cabinet door, cabinet body upper wall can dismantle through the adapter sleeve and be connected with the fire extinguishing agent jar that is used for storing carbon dioxide fire extinguishing agent, sprinkler and solenoid valve switch all set up at cabinet body inboard upper wall, sprinkler link up with the fire extinguishing agent jar through solenoid valve switch, cabinet body both sides wall all is provided with the opening, two the equal fixedly connected with bellows of opening outer wall, two sets of one side that the bellows is on the back all is provided with the wind window, two sets of wind window opposite side all has connected gradually filter, radiator fan, wind box inside wall just is located one side fixedly connected with first baffle near the opening, wind box inside wall just is located one side fixedly connected with second baffle that the opening was kept away from to the first baffle, sliding connection has the fly leaf between first baffle, second baffle and the fly leaf, be provided with the channel structure that is used for the air current to pass through between first baffle, second baffle and the fly leaf, two sets of wind box opposite side wall all is provided with the air-out structure and is used for detecting the fire, the air box has the relative structure to take place between the side of the air box and the air box has the drive structure to be used for detecting the side.

As a further description of the above technical solution:

the channel structure comprises a first through hole, a second through hole and a third through hole, wherein the first through hole and the second through hole are respectively arranged on the inner walls of the first partition plate and the second partition plate and are left and right opposite to each other, the third through hole is arranged on the inner walls of the movable plate and is left and right through, the first through hole and the second through hole are through the third through hole when the movable plate is positioned at the end point of an upper stroke, and the first through hole, the second through hole and the third through hole are staggered when the movable plate is positioned at the end point of a lower stroke.

As a further description of the above technical solution:

the driving structure comprises two groups of electric telescopic rods, the two groups of electric telescopic rods are respectively and fixedly connected to the upper walls of the two groups of bellows, the extending shafts of the electric telescopic rods penetrate through the upper walls of the bellows and extend into the bellows, and the upper walls of the movable plates and the electric telescopic rods are fixedly connected with the end parts of the inner parts of the bellows.

As a further description of the above technical solution:

the detection structure comprises a smoke sensor and a temperature sensor, wherein the smoke sensor and the temperature sensor are sequentially and fixedly connected to the upper wall of the bellows in a front-back distribution manner, and the detection parts of the smoke sensor and the temperature sensor penetrate through the upper wall of the bellows and extend into the bellows.

As a further description of the above technical solution:

the air extraction structure comprises an air extraction pipe and a vacuum pump, wherein the air extraction pipe is fixedly connected to the side wall of the cabinet body and is communicated with the interior of the cabinet body, the vacuum pump is fixedly connected to one end of the air extraction pipe, which is far away from the cabinet body, a group of inlets and a group of outlets are formed in the vacuum pump, and the vacuum pump is fixedly connected with the air extraction pipe through the inlets.

As a further description of the above technical solution:

the vacuum pump is a non-contact pump.

The utility model has the following beneficial effects:

1. compared with the prior art, the fireproof type distribution box is provided with the temperature sensor matched with the smoke sensor for common detection, so that the detection accuracy and the response sensitivity can be improved, the detection structures are arranged on the two groups of air boxes, whether the fire is internally or externally caused by fire can be judged through the information of the two detection structures in the air inlet and the air outlet, when the fire is externally caused and the temperature in the cabinet body is not high, the fire extinguishing agent tank is not required to be started, and when the temperature in the cabinet body is too high and the fire is found, the fire extinguishing agent tank is opened through the electromagnetic valve and is sprayed by the spraying device to extinguish the fire;

2. compared with the prior art, the fire-proof distribution box is characterized in that the channel structure which is driven to be on-off by the driving structure is arranged in the two groups of bellows, the channel structure can be closed when needed, a sealing cavity is formed between the cabinet body and the cabinet door, the internal air is pumped away by the vacuum pump, the oxygen is reduced, the carbon dioxide is used for extinguishing a fire, the fire-retardant state can be well maintained, and the safety is improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a fireproof type distribution box according to the present utility model;

FIG. 2 is a partial cross-sectional view of the internal structure of the bellows of the fireproof type distribution box according to the present utility model when the movable plate of the fireproof type distribution box is at the end of the upward stroke;

fig. 3 is a partial cross-sectional view of the internal structure of the bellows of the fireproof type distribution box according to the present utility model when the movable plate of the fireproof type distribution box is at the end of the downstroke.

Legend description:

1. a cabinet body; 2. a cabinet door; 3. connecting sleeves; 4. a fire extinguishing agent tank; 5. a wind box; 6. a wind window; 7. an electric telescopic rod; 8. a smoke sensor; 9. a temperature sensor; 10. a vacuum pump; 11. an exhaust pipe; 12. a first separator; 13. a first through hole; 14. a movable plate; 15. a third through hole; 16. a second separator; 17. a second through hole; 18. a heat radiation fan; 19. and (3) a filter.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the present utility model provides a fireproof type distribution box: the fire extinguishing agent tank comprises a cabinet body 1, a cabinet door 2, an electromagnetic valve switch, an alarm device and a spraying device, wherein the cabinet door 2 is rotationally connected to the front wall of the cabinet body 1, a sealing layer is arranged between the cabinet body 1 and the cabinet door 2, the upper wall of the cabinet body 1 is detachably connected with a fire extinguishing agent tank 4 for storing carbon dioxide fire extinguishing agent through a connecting sleeve 3, the spraying device and the electromagnetic valve switch are both arranged on the upper wall of the inner side of the cabinet body 1, the spraying device is communicated with the fire extinguishing agent tank 4 through the electromagnetic valve switch, a common control device in the market is further arranged in the cabinet body 1, the control device is used for controlling whether the fire extinguishing agent tank 4 is started or not, and the alarm device is used for alarming after detecting fire and reminding and is a common audible and visual alarm in the market;

openings are formed in the left side wall and the right side wall of the cabinet body 1, air boxes 5 are fixedly connected to the outer walls of the two openings, air windows 6 are formed in the opposite sides of the two groups of air boxes 5, a filter 19 and a cooling fan 18 are sequentially connected to the opposite sides of the two groups of air windows 6, one group of the two groups of air boxes 5 is used for air intake, the other group of the two groups of air boxes is used for air exhaust, and air in the cabinet body 1 is replaced by one row of air intake, so that the cooling effect is achieved;

the first partition plate 12 is fixedly connected to one side, close to the opening, of the inner side of the bellows 5, the second partition plate 16 is fixedly connected to one side, far away from the opening, of the first partition plate 12, the movable plate 14 is slidably connected between the first partition plate 12 and the second partition plate 16, a channel structure for air flow to pass through is arranged between the first partition plate 12, the second partition plate 16 and the movable plate 14, the channel structure comprises a first through hole 13, a second through hole 17 and a third through hole 15, the first through hole 13 and the second through hole 17 are respectively arranged on the inner walls of the first partition plate 12 and the second partition plate 16 and are opposite left and right, the third through hole 15 is arranged on the inner wall of the movable plate 14 and is communicated left and right, the first through hole 13 and the second through hole 17 are communicated through the third through hole 15 when the movable plate 14 is located at the end of the lower stroke, the first through hole 13, the second through hole 17 and the third through hole 15 are staggered, the channel structure is controlled to be opened and closed through the position of the movable plate 14, when a fire occurs outside, the channel structure is closed off, the first through hole 13 and the second through hole 17 can be opened and closed, the second through hole 15, the oxygen gas can enter the high-temperature cabinet 1 and the fire-resistant oxygen gas can be prevented from being mixed with the oxygen gas 1, and the oxygen gas can be prevented from flowing into the fire-resistant air pump 1, and the oxygen gas can be prevented from being mixed with the fire-resistant air 1 when the oxygen gas 1 is in the fire-resistant air pump 1;

sealing layers are arranged between the opposite sides of the first partition plate 12, the second partition plate 16 and the movable plate 14, a driving structure for driving the movable plate 14 to lift is arranged between the air box 5 and the movable plate 14, the driving structure comprises two groups of electric telescopic rods 7, the two groups of electric telescopic rods 7 are respectively and fixedly connected to the upper walls of the two groups of air boxes 5, an extension shaft of each electric telescopic rod 7 penetrates through the upper wall of the air box 5 and extends into the air box 5, the upper wall of the movable plate 14 is fixedly connected with the end part of each electric telescopic rod 7 extending into the air box 5, and the extension shaft of each electric telescopic rod 7 extends out and retracts to drive the movable plate 14 to lift;

the upper wall of the bellows 5 is provided with a detection structure for detecting fire conditions, the detection structure comprises a smoke sensor 8 and a temperature sensor 9, the smoke sensor 8 and the temperature sensor 9 are sequentially and fixedly connected to the upper wall of the bellows 5 according to the front-back distribution, the detection parts of the smoke sensor 8 and the temperature sensor 9 penetrate through the upper wall of the bellows 5 and extend into the bellows 5, two groups of the smoke sensor 8 and the temperature sensor 9 can improve the fire detection accuracy and sensitivity, are arranged in the bellows 5 and are detected through flowing heat dissipation air flow, the detection speed is higher, the air inlet and the air outlet during heat dissipation are monitored, whether the external fire condition or the internal fire condition is well distinguished,

the cabinet body 1 right wall and be located bellows 5 below still be provided with be used for taking out the internal air of cabinet body 1 when the conflagration and get rid of the structure of bleeding, the structure of bleeding includes exhaust tube 11, vacuum pump 10, exhaust tube 11 fixed connection is at cabinet body 1 lateral wall and link up with cabinet body 1 is inside, vacuum pump 10 fixed connection keeps away from the one end of cabinet body 1 at exhaust tube 11, be provided with a set of import and a set of export on the vacuum pump 10, vacuum pump 10 is non-contact pump through import and exhaust tube 11 fixed connection, vacuum pump 10 can be with the internal suction of cabinet after the channel structure cuts off into the negative pressure state through vacuum pump 10, firstly reduce oxygen, secondly keep carbon dioxide dwell time.

Working principle: the cabinet body 1 is also internally provided with a common control device in the market, the fire extinguishing agent tank 4 is controlled to be started or not through the control device, the alarm device is used for alarming and reminding after detecting fire, the common audible and visual alarm in the market is adopted, one group of two groups of bellows 5 is used for air intake and the other group of bellows are used for air exhaust, the other group of bellows is used for air intake and the other group of bellows enables the air in the cabinet body 1 to be replaced, thereby achieving the radiating effect, the extending shaft of the electric telescopic rod 7 extends and retracts to drive the movable plate 14 to lift, the on and off of the channel structure is controlled through the position of the movable plate 14, when the fire occurs outside, the channel structure is cut off to play a role of preventing high-temperature smoke from entering the cabinet body 1, when the fire occurs inside the cabinet body 1, the channel structure cuts off and can cooperate vacuum pump 10 to take away the inside air that contains oxygen of cabinet body 1, firstly reduce oxygen and carry out fire-retardant, secondly keep carbon dioxide to spray at the inside live time of cabinet body 1, avoid the afterburning, two sets of smoke transducer 8 and temperature sensor 9 can improve condition of a fire detection accuracy and sensitivity, set up inside out bellows 5, detect through the radiating air current that flows, detect the speed more fast, inlet air and exhaust during the heat dissipation are all monitored, can be fine distinguish outside condition of a fire or inside condition of a fire, vacuum pump 10 is non-contact pump, can take out the inside negative pressure state of taking into of cabinet body 1 after the channel structure cuts off through vacuum pump 10, firstly reduce oxygen, secondly keep carbon dioxide dwell time.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a fire prevention formula block terminal, includes cabinet body (1), cabinet door (2), solenoid valve switch, alarm device and sprinkler, its characterized in that: cabinet door (2) rotate and connect at cabinet body (1) antetheca, be provided with sealing layer between cabinet body (1) and cabinet door (2), cabinet body (1) upper wall can dismantle through adapter sleeve (3) and be connected with fire extinguishing agent jar (4) that are used for storing carbon dioxide fire extinguishing agent, sprinkler and solenoid valve switch all set up at cabinet body (1) inboard upper wall, sprinkler link up with fire extinguishing agent jar (4) through solenoid valve switch, cabinet body (1) both sides wall all is provided with the opening, two places opening outer wall all fixedly connected with bellows (5), two sets of one side that bellows (5) carried on one side all is provided with wind window (6), two sets of wind window (6) opposite side all has connected gradually filter (19), radiator fan (18), bellows (5) just are located one side fixedly connected with first baffle (12) near the open-ended, bellows (5) inside wall just is located one side fixedly connected with second baffle (16) of keeping away from open-ended side of first baffle (12), second baffle (16) are provided with first baffle (12), second baffle (12) are used for sliding connection between one movable partition (14) and first movable partition (14), movable partition (16) have, first movable partition (16) are provided with one and movable partition (14) between the movable partition structure Sealing layers are arranged between the opposite sides of the second partition plate (16) and the movable plate (14), a driving structure for driving the movable plate (14) to lift is arranged between the bellows (5) and the movable plate (14), a detection structure for detecting fire conditions is arranged on the upper wall of the bellows (5), and an air exhaust structure for exhausting air inside the cabinet (1) when the fire occurs is further arranged on the right wall of the cabinet (1) and below the bellows (5).

2. A fire-resistant electrical box as claimed in claim 1, wherein: the channel structure comprises a first through hole (13), a second through hole (17) and a third through hole (15), wherein the first through hole (13) and the second through hole (17) are respectively arranged on the inner walls of a first partition plate (12) and a second partition plate (16) and are left and right opposite, the third through hole (15) is arranged on the inner wall of a movable plate (14) and is left and right through, the first through hole (13) and the second through hole (17) are through the third through hole (15) when the movable plate (14) is located at the end of an upper stroke, and the first through hole (13), the second through hole (17) and the third through hole (15) are staggered when the movable plate (14) is located at the end of a lower stroke.

3. A fire-resistant electrical box as claimed in claim 1, wherein: the driving structure comprises two groups of electric telescopic rods (7), the two groups of electric telescopic rods (7) are respectively and fixedly connected to the upper walls of the two groups of bellows (5), an extending shaft of each electric telescopic rod (7) penetrates through the upper wall of the bellows (5) and extends into the bellows (5), and the upper wall of the movable plate (14) and the electric telescopic rods (7) are fixedly connected to the end parts of the bellows (5) which are inside.

4. A fire-resistant electrical box as claimed in claim 1, wherein: the detection structure comprises a smoke sensor (8) and a temperature sensor (9), wherein the smoke sensor (8) and the temperature sensor (9) are sequentially and fixedly connected to the upper wall of the air box (5) in a front-back distribution mode, and detection parts of the smoke sensor (8) and the temperature sensor (9) penetrate through the upper wall of the air box (5) and extend into the air box (5).

5. A fire-resistant electrical box as claimed in claim 1, wherein: the utility model provides a vacuum pump, including exhaust tube (11), vacuum pump (10), exhaust tube (11) fixed connection is at cabinet body (1) lateral wall and link up with cabinet body (1) inside, vacuum pump (10) fixed connection keeps away from the one end of cabinet body (1) at exhaust tube (11), be provided with a set of import and a set of export on vacuum pump (10), vacuum pump (10) are through import and exhaust tube (11) fixed connection.

6. A fire-resistant electrical box as in claim 5, wherein: the vacuum pump (10) is a non-contact pump.