CN110882502A - An automatic fire extinguishing device for safety protection in a distribution box - Google Patents

Abstract

The invention provides an automatic fire extinguishing device for safety protection in a power distribution box, which relates to the technical field of power distribution safety, so as to solve the problem that the automatic fire extinguishing device can only perform fire extinguishing in a fixed direction and a fixed point. If it is wrong, or the height is wrong, it indicates that the small-scale fire point is difficult to extinguish for a while, which may cause the fire range to expand and become difficult to control, including the box body; the middle part of the top plane of the box body is vertically upwardly fixed and installed with a support frame; the A fire extinguishing mechanism is installed on the support frame. The invention provides an automatic fire-extinguishing device for safety protection in a distribution box. Since the top plane of the front end of the backing plate is laterally connected with an uneven wave slope, when the motor rotates, the traveling wheel can be driven to rotate, while the traveling wheel can be driven to rotate. During the process, the shaft sleeve and buffer spring can drive the jet pipe part to move up and down according to the bottom terrain, so as to facilitate jet fire at different heights and improve the fire extinguishing effect.

Description

An automatic fire extinguishing device for safety protection in a distribution box

technical field

The invention relates to the technical field of power distribution safety, in particular to an automatic fire extinguishing device for safety protection in a power distribution box.

Background technique

In factory work and household circuits, especially in corridor circuits, electrical components in the distribution box are often overloaded and burned due to problems such as line aging, and because the distribution box is live and has many plastic parts, so Once burned, it is easy to spread with the line, causing great economic losses.

The existing power distribution box needs to have an automatic fire extinguishing function, such as a power distribution box with a fire extinguishing function in the patent application CN201820008024.5. It includes a box, with electrical components inside the box, gas fire extinguishing devices with the same structure on both sides of the box, a dry powder fire extinguishing device above the box, a control box at one end of the dry powder fire extinguishing device, and a central processing unit in the control box The central processing unit is connected with the induction device arranged inside the box body; the ventilation pipe and the powder outlet pipe are both provided with electromagnetic valves, and are respectively connected with the central processing unit. The utility model has simple structure and reasonable design. Two different fire-extinguishing devices are added on the power distribution box, and the fire-extinguishing treatment of the circuit is enhanced by two methods of gas and dry powder. The alarm device attracts attention, puts out the fire in time, and reduces the loss.

The automatic fire extinguishing device in the existing distribution box is mainly composed of four parts: detector (heat energy detector, flame detector, smoke detector), fire extinguisher (carbon dioxide extinguishing device), digital temperature control alarm and communication module. The fire extinguishing device can only extinguish the fire in a fixed direction and at a fixed point. When a small fire point occurs, due to the wrong angle or height, it is difficult to extinguish the small fire point for a while, which may cause the fire scope to expand and become difficult to control.

SUMMARY OF THE INVENTION

(1) Technical problems

In summary, the present invention provides an automatic fire extinguishing device for safety protection in a power distribution box. Through the improvement of structure and function, the automatic fire extinguishing device can only perform fire extinguishing in a fixed direction and a fixed point. When it occurs, due to the wrong angle or height, it is difficult to extinguish the fire in a small area, which may cause the fire to expand and become difficult to control.

(2) Technical solutions

The invention provides an automatic fire extinguishing device for safety protection in a distribution box. The automatic fire extinguishing device for safety protection in a distribution box provided by the invention specifically includes: a box body; the top plane of the box body is vertical in the middle A support frame is fixedly installed upward; a fire extinguishing mechanism is installed on the support frame; a backing plate is laterally installed at the front edge of the box body; an emergency power supply is fixedly installed on the top plane of the rear end of the box body.

Preferably, the support frame includes a slide rail and a smoke sensor, the support frame as a whole is a gantry-like structure, the middle part of the support frame is laterally connected with the slide rail, and the left end and the right end of the top plane of the support frame are respectively A smoke sensor is fixedly installed, and the smoke sensor is electrically connected with the microcontroller in the emergency power supply.

Preferably, the backing plate includes a wave slope, and the top plane of the front end of the backing plate is laterally connected with an uneven wave slope.

Preferably, the fire-extinguishing mechanism includes a carbon dioxide storage tank, an electromagnetic nozzle, a nozzle, a slider and a motor, and the fire-extinguishing mechanism is slidably connected to the slide rail of the support frame through a slider fixedly installed on the back plane. A motor is installed at the lower end of the mechanism, an electromagnetic nozzle is fixed vertically upward in the middle of the top plane of the motor, a nozzle is installed vertically on the front side wall of the lower end of the electromagnetic nozzle, and the carbon dioxide storage tank is fixedly installed on the support frame. In the box at the rear end, the upper end of the electromagnetic nozzle is fixedly connected to the carbon dioxide storage tank through a hose.

Preferably, the fire extinguishing mechanism further comprises a traveling wheel, a guide rod, a shaft sleeve and a buffer spring, a traveling wheel is connected to the lower end of the top of the motor through deceleration and horizontal rotation, and the left end and the right end of the top plate of the upper end of the motor are respectively connected vertically with guides The guide rod is slidably sleeved in the shaft sleeves installed vertically at the left end and the right end of the fire extinguishing mechanism, and a buffer spring is sleeved on the guide rod between the shaft sleeve and the motor.

Preferably, the lower end of the running wheel is tangent to the top surface of the wave slope on the backing plate.

(3) Beneficial effects

The invention provides an automatic fire extinguishing device for safety protection in a distribution box. Since the top plane of the front end of the backing plate is laterally connected with an uneven wave slope, and the lower end of the top of the motor is connected with a traveling wheel through deceleration and horizontal rotation, the motor The left and right ends of the upper top plate are respectively vertically connected with guide rods. The guide rods are slidably sleeved in the shaft sleeves installed vertically on the left and right ends of the fire extinguishing mechanism. A buffer spring is sleeved on the guide rod between the shaft sleeve and the motor. When it rotates, it can drive the walking wheel to rotate, and in the process of walking, the shaft sleeve and the buffer spring can drive the spray pipe part to move up and down according to the bottom terrain, so as to facilitate the spray fire at different heights and improve the fire extinguishing effect.

The invention provides an automatic fire-extinguishing device for safety protection in a distribution box. Since the fire-extinguishing mechanism is slidably connected to the slide rail of the support frame through a slider fixedly installed on the back plane, a motor is installed at the lower end of the fire-extinguishing mechanism, and the The electromagnetic nozzle is fixed vertically upward in the middle of the top plane. The front side wall of the lower end of the electromagnetic nozzle is vertically installed with a nozzle. The carbon dioxide storage tank is fixedly installed in the box at the rear end of the support frame. The upper end of the electromagnetic nozzle is connected to the carbon dioxide storage tank. Through the fixed phase connection of the hose, when a fire occurs, the electromagnetic nozzle can be controlled to open, so that the carbon dioxide in the carbon dioxide storage tank is ejected from the nozzle, and the fire source in the distribution box is extinguished.

Description of drawings

FIG. 1 is a schematic structural diagram of a front right upper axial view in an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a left rear upper upper axial view in an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a front right and lower axial view in an embodiment of the present invention;

4 is a schematic structural diagram of an enlarged part of FIG. 3 in an embodiment of the present invention;

Fig. 5 is the front view structure schematic diagram in the embodiment of the present invention;

FIG. 6 is a schematic diagram of the axial view structure of the box body in the removed state in the embodiment of the present invention;

7 is a schematic diagram of a front axial view of a part of a fire extinguishing mechanism in an embodiment of the present invention;

8 is a schematic diagram of a rear axial view of a part of a fire extinguishing mechanism in an embodiment of the present invention;

In Figures 1 to 8, the corresponding relationship between component names or lines and drawing numbers is:

1. Box body; 2. Support frame; 201, Slide rail; 202, Smoke sensor; 3. Backing plate; 301, Wave slope; 4. Fire extinguishing mechanism; 401, Carbon dioxide storage tank; 402, Electromagnetic nozzle; 403, 404, slider; 405, motor; 406, walking wheel; 407, guide rod; 408, shaft sleeve; 409, buffer spring; 5, emergency power supply.

Detailed ways

The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

In the description of the present invention, unless otherwise stated, "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer" The orientation or positional relationship indicated by , "front end", "rear end", "head", "tail", etc. are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, not An indication or implication that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, is not to be construed as a limitation of the invention. Furthermore, the terms "first," "second," "third," etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection. Ground connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Please refer to Figure 1 to Figure 8.

In order to solve the problem that the existing automatic fire extinguishing device for safety protection in the distribution box in the prior art can only carry out fire extinguishing in a fixed direction and a fixed point, when a small fire point occurs, due to the wrong angle or height, the indication is small. The fire point of the range is difficult to extinguish for a while, which may cause the fire range to expand and become difficult to control. The present invention proposes an automatic fire extinguishing device for safety protection in a power distribution box, including: a box body 1; A support frame 2 is fixed vertically upward in the middle part; a fire extinguishing mechanism 4 is installed on the support frame 2; a backing plate 3 is installed laterally at the front edge of the box body 1;

The support frame 2 includes a slide rail 201 and a smoke sensor 202. The support frame 2 is a gantry-shaped structure as a whole. The middle part of the support frame 2 is horizontally connected with the slide rail 201. The left and right ends of the top plane of the support frame 2 are respectively fixed and installed. There is a smoke sensor 202, and the smoke sensor 202 is electrically connected to the microcontroller in the emergency power supply 5, which can be used to sense the situation in the distribution box, and can immediately alarm when a fire occurs.

Wherein, the backing plate 3 includes a wave slope 301, and the top plane of the front end of the backing plate 3 is laterally connected with an uneven wave slope 301.

The fire extinguishing mechanism 4 includes a carbon dioxide storage tank 401, an electromagnetic nozzle 402, a nozzle 403, a slider 404 and a motor 405. The fire extinguishing mechanism 4 is slidably connected to the slide rail 201 of the support frame 2 through the slider 404 fixedly installed on the back plane. Above, a motor 405 is installed at the lower end of the fire extinguishing mechanism 4, an electromagnetic nozzle 402 is fixed vertically upward in the middle of the top plane of the motor 405, a spray pipe 403 is vertically installed on the front side wall of the lower end of the electromagnetic nozzle 402, and the carbon dioxide storage tank 401 is fixed. Installed in the box 1 at the rear end of the support frame 2, the upper end of the electromagnetic nozzle 402 is fixedly connected to the carbon dioxide storage tank 401 through a hose. When a fire occurs, the electromagnetic nozzle 402 can be controlled to open, so that the carbon dioxide in the carbon dioxide storage tank 401 is It is sprayed from the spray pipe 403 to extinguish the fire source in the distribution box.

Wherein, the fire extinguishing mechanism 4 also includes a traveling wheel 406, a guide rod 407, a shaft sleeve 408 and a buffer spring 409. The lower end of the top of the motor 405 is connected to the traveling wheel 406 by deceleration and horizontal rotation, and the left and right ends of the top plate of the motor 405 are vertically connected with The guide rod 407 is slidably sleeved in the shaft sleeves 408 installed vertically at the left and right ends of the fire extinguishing mechanism 4. A buffer spring 409 is sleeved on the guide rod 407 between the shaft sleeve 408 and the motor 405. When the motor 405 rotates At the time of walking, the traveling wheel 406 can be driven to rotate, and in the process of walking, the shaft sleeve 408 and the buffer spring 409 can drive the spray pipe 403 to move up and down according to the bottom terrain, so as to facilitate the spray fire at different heights and improve the fire extinguishing effect.

Wherein, the lower end of the traveling wheel 406 is tangent to the top surface of the wave slope 301 on the backing plate 3, so that the traveling wheel 406 can pass through a wave-like path.

The specific usage mode and function of this embodiment:

When the present invention is in use, since the support frame 2 is a gantry-like structure as a whole, the middle of the support frame 2 is connected with the slide rail 201 horizontally, and the left and right ends of the top plane of the support frame 2 are respectively fixed with smoke sensors 202, and the smoke sensor 202 is installed. The sense sensor 202 is electrically connected with the microcontroller in the emergency power supply 5, and can be used to sense the situation in the distribution box, and can immediately alarm when a fire occurs;

When a fire occurs, since the fire extinguishing mechanism 4 is slidably connected to the slide rail 201 of the support frame 2 through the sliding block 404 fixedly installed on the back plane, a motor 405 is installed at the lower end of the fire extinguishing mechanism 4, and the middle part of the top plane of the motor 405 is fixed vertically upward. There is an electromagnetic nozzle 402, a nozzle 403 is vertically installed on the front side wall of the lower end of the electromagnetic nozzle 402, a carbon dioxide storage tank 401 is fixedly installed in the box 1 at the rear end of the support frame 2, and the upper end of the electromagnetic nozzle 402 is connected to the carbon dioxide storage tank. 401 is fixedly connected by a hose, and the electromagnetic nozzle 402 can be controlled to open, so that the carbon dioxide in the carbon dioxide storage tank 401 is ejected from the nozzle 403, and the fire source in the distribution box is extinguished, and the lower end of the top of the motor 405 passes the deceleration level A traveling wheel 406 is rotatably connected, and a guide rod 407 is vertically connected to the left and right ends of the top plate of the motor 405 respectively. A buffer spring 409 is sleeved on the guide rod 407 between the motors 405. When the motor 405 rotates, it can drive the traveling wheel 406 to rotate. During the walking process, the shaft sleeve 408 and the buffer spring 409 can drive the part of the injection pipe 403. Up and down displacement is carried out according to the topography of the bottom, so as to carry out spray fire at different heights and improve the fire extinguishing effect.

The embodiments of the present invention are presented for purposes of illustration and description, and are not intended to be exhaustive or to limit the invention to the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to better explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use.

Claims (6)

1. The utility model provides an automatic fire extinguishing device that safety protection used in block terminal which characterized in that includes: a box body (1); the middle part of the top plane of the box body (1) is vertically and upwards fixedly provided with a support frame (2); the support frame (2) is provided with a fire extinguishing mechanism (4); a base plate (3) is transversely arranged at the edge of the front end of the box body (1); an emergency power supply (5) is fixedly mounted on the top plane of the rear end of the box body (1).

2. The automatic fire extinguishing device for safety protection in distribution box according to claim 1, characterized in that the support frame (2) comprises a sliding rail (201) and a smoke sensor (202), the support frame (2) is integrally of a portal-shaped structure, the sliding rail (201) is transversely connected to the middle of the support frame (2), the smoke sensor (202) is fixedly mounted at the left end and the right end of the top plane of the support frame (2) respectively, and the smoke sensor (202) is electrically connected with the microcontroller in the emergency power supply (5).

3. The automatic fire extinguishing apparatus for safety protection in a distribution box according to claim 1, wherein the backing plate (3) comprises a wave slope (301), and the front top plane of the backing plate (3) is transversely connected with the wave slope (301) with unevenness.

4. The automatic fire extinguishing apparatus for safety protection in electric distribution boxes according to claim 1, the fire extinguishing mechanism (4) comprises a carbon dioxide storage tank (401), an electromagnetic spray pipe (402), a spray pipe (403), a slide block (404) and a motor (405), the fire extinguishing mechanism (4) is connected on the sliding rail (201) of the supporting frame (2) in a sliding way through a sliding block (404) fixedly arranged on the back plane, the lower end of the fire extinguishing mechanism (4) is provided with a motor (405), the middle part of the top plane of the motor (405) is vertically and upwards fixedly provided with an electromagnetic spray pipe (402), an injection pipe (403) is vertically arranged on the front side wall of the lower end of the electromagnetic injection pipe (402), the carbon dioxide storage tank (401) is fixedly arranged in the box body (1) at the rear end of the support frame (2), the upper end of the electromagnetic spray pipe (402) is fixedly connected with the carbon dioxide storage tank (401) through a hose.

5. The automatic fire extinguishing device for safety protection in distribution box according to claim 1 or 4, characterized in that, the fire extinguishing mechanism (4) further comprises a walking wheel (406), a guide rod (407), a shaft sleeve (408) and a buffer spring (409), the lower end of the top end of the motor (405) is connected with the walking wheel (406) through horizontal rotation at a speed reduction level, the left end and the right end of the top plate at the upper end of the motor (405) are respectively and vertically connected with the guide rod (407), the guide rod (407) is sleeved in the shaft sleeve (408) vertically installed at the left end and the right end of the fire extinguishing mechanism (4) in a sliding manner, and the buffer spring (409) is sleeved on the guide rod (407) between the shaft sleeve (408) and the motor (405).

6. The automatic fire extinguishing apparatus for safety protection in an electric distribution box according to claim 1, wherein the lower end of the traveling wheel (406) is tangent to the top surface of the wave slope (301) on the backing plate (3).

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