CN214673835U

CN214673835U - Explosion-proof junction box

Info

Publication number: CN214673835U
Application number: CN202120979356.XU
Authority: CN
Inventors: 刘旭祥
Original assignee: Songbei Explosion Proof Electric Appliance Co ltd
Current assignee: Songbei Explosion Proof Electric Appliance Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-11-09
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses an explosion-proof junction box, including casing, the package of aerifing, box, teflon dope layer, explosion-proof board, temperature-sensing ware, pressure sensors, relief valve and radiator, one side of casing is equipped with damping spring, the inside bottom surface of casing is equipped with the package of aerifing, the inside of casing is equipped with the box, the front of box is equipped with control panel, and control panel is equipped with the sealing washer with the junction of box. The utility model discloses a temperature-sensing ware uses with the pressure sensor cooperation, the temperature and the pressure to control incasement portion are responded to the control, discharge the pressure of box inside fast through the relief valve, send into the inside of box with nitrogen gas through the package of aerifing and carry out the heat absorption cooling, reduce the probability of box blasting, wrap up the box through the casing, prevent that the box from causing the influence to the external world when taking place to blast, also can completely cut off the external influence to the box simultaneously, the impact force that produces the inside blasting of box through the blast proof board blocks.

Description

Explosion-proof junction box

Technical Field

The utility model relates to a junction box technical field specifically is explosion-proof junction box.

Background

The junction box is used inside and outside various buildings, is used for power, illumination distribution and motor wiring control, and is suitable for indoor wall hanging and outdoor floor installation. When the junction box is used in the industries such as coal mines, chemical industry, petroleum and electric power, because these environments have flammable and explosive risks, the existing junction box is not suitable for the environments of these industries, and therefore the explosion-proof junction box is needed to control, but the existing explosion-proof junction box has certain problems and defects:

1. the existing explosion-proof junction box has an unsatisfactory explosion-proof effect, can play a certain explosion-proof role, but easily causes the damage of elements inside the control box, cannot discharge heat and pressure inside the control box in time, is inconvenient for reducing pressure to prevent explosion, easily causes the danger of explosion due to the accumulation of heat and air pressure, and is inconvenient to use;

2. the protection performance of the existing explosion-proof junction box is poor, the control box easily generates strong impact force when blasting, thus easily causing impact to the box body to generate deformation and damage, the box body is easily damaged to cause economic loss due to the fact that the box body is damaged under the condition that a worker does not notice, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof junction box 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: explosion-proof junction box, including casing, the package of aerifing, box, teflon dope layer, explosion-proof board, temperature-sensing ware, pressure sensors, relief valve and radiator, one side of casing is equipped with damping spring, the inside bottom surface of casing is equipped with the package of aerifing, the inside of casing is equipped with the box, the front of box is equipped with control panel, and control panel is equipped with the sealing washer with the junction of box, the inside bottom surface of box is equipped with data induction chip, the outside of box is equipped with the teflon dope layer, the inner wall of box is equipped with the explosion-proof board, the inside bottom surface both sides of box are equipped with temperature-sensing ware and pressure sensors respectively, the inside top surface of box is equipped with the radiator, the top of box is equipped with the relief valve.

Preferably, the top of the shell is provided with a vent, two sides of the inner bottom surface of the shell are provided with supporting plates, the front surface of the shell is provided with a sealing plate, and the front surface of the sealing plate is provided with an observation window.

Preferably, the front surface of the inflation bag is provided with an inflation inlet, and the top of the inflation bag penetrates through the box body and is provided with an air outlet.

Preferably, the top of box is equipped with the louvre, the inside of box is equipped with the master controller, the below of master controller is equipped with branch accuse switch, the below of branch accuse switch is equipped with the shunt.

Preferably, the bottom of the temperature sensor and the bottom of the pressure sensor are both provided with a fixing seat, and the back of the temperature sensor and the back of the pressure sensor are both provided with an induction probe.

Preferably, the surface of the explosion-proof plate is provided with a pressure relief hole, and the inside of the explosion-proof plate is provided with a reinforcing rib.

Compared with the prior art, the beneficial effects of the utility model are that: this explosion-proof junction box is rational in infrastructure, has following advantage:

1. the utility model discloses a be equipped with the gas bag in the inside bottom surface of casing, be equipped with data response chip at the inside bottom surface of box, be equipped with temperature-sensing ware and pressure sensors respectively in the inside bottom surface both sides of box, be equipped with the radiator at the inside top surface of box, be equipped with the relief valve at the top of box, use through temperature-sensing ware and pressure sensors cooperation, the temperature and the pressure of controlling box inside are responded to and are monitored, when temperature and pressure reach the bearing point of box, can carry out induction control through data response chip, thereby open the relief valve, discharge the pressure of box inside fast through the relief valve, thereby carry out the step-down processing to the inside of box, reduce the risk of the too high box blasting of pressure, store nitrogen gas through the gas bag, when the inside temperature of box rises to the radiator can not discharge in time, send into the inside of box through the gas bag and carry out the heat absorption cooling, the quick inside temperature to the box absorbs to reduce the blasting risk that the high temperature brought, be convenient for cool down in advance and arrange the pressure, reduce the probability of box blasting, strengthen the explosion-proof performance, it is comparatively convenient to use.

2. The utility model discloses a be equipped with damping spring in one side of casing, inner wall at the box is equipped with the explosion-proof board, be equipped with the box in the inside of casing, wrap up the box through the casing, protect the box, prevent that the box from causing the influence to the external world when taking place to explode, also can completely cut off external influence to the box simultaneously, the impact force that produces the inside blasting of box through the explosion-proof board blocks, reduce the influence of impact force to the box, thereby reduce the damage degree of box, strengthen the protection, cushion impact force through damping spring, thereby reduce the deformability that the box suffered to strike, prevent that the box from suffering deformation production violent vibrations from and causing the injury to the staff, strengthen the safety protection nature, it is comparatively convenient to use.

3. The utility model discloses an outside at the box is equipped with the teflon dope layer, junction at control panel and box is equipped with the sealing washer, can strengthen the protection to the surface of box through the teflon dope layer, the teflon dope layer has good wearability and high temperature resistance, can effectually prevent to cause the fish tail to the surface of box when installing the box, thereby reduce the influence of fish tail vestige to the box, prevent that the fish tail can become the breakthrough point of blasting, strengthen the protectiveness, can consolidate the tie point of control panel and box through the sealing washer and seal, reduce the gap of gas leakage, prevent that the impact force can follow control panel and locate to break through when taking place the blasting, strengthen stability, the impact force lock that will blast the production is in the inside of box, prevent to cause the influence to the external world, it is comparatively convenient to use.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an external view of the present invention;

fig. 4 is a schematic view of a local structure of the box body of the present invention.

In the figure: 1. a housing; 101. a vent; 102. a support plate; 103. a damping spring; 104. a sealing plate; 105. an observation window; 2. an air inflation bag; 201. an inflation inlet; 3. a box body; 301. heat dissipation holes; 302. a master controller; 303. a sub-control switch; 304. a flow divider; 305. a control panel; 306. a seal ring; 307. a data sensing chip; 4. a Teflon coating layer; 5. an explosion-proof plate; 6. a temperature sensor; 7. a pressure sensor; 8. a pressure relief valve; 9. a heat sink.

Detailed Description

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: an explosion-proof junction box comprises a shell 1, an inflatable bag 2, a box body 3, a Teflon coating layer 4, an explosion-proof plate 5, a temperature sensor 6, a pressure sensor 7, a pressure release valve 8 and a radiator 9, wherein a vent 101 is arranged at the top of the shell 1, support plates 102 are arranged on two sides of the inner bottom surface of the shell 1, a sealing plate 104 is arranged on the front surface of the shell 1, an observation window 105 is arranged on the front surface of the sealing plate 104, a damping spring 103 is arranged on one side of the shell 1, the inflatable bag 2 is arranged on the inner bottom surface of the shell 1, an inflation inlet 201 is arranged on the front surface of the inflatable bag 2, the box body 3 is arranged inside the shell 1, a heat dissipation hole 301 is arranged on the top of the box body 3, a main controller 302 is arranged inside the box body 3, a sub-control switch 303 is arranged below the main controller 302, a shunt 304 is arranged below the sub-control switch 303, a control panel 305 is arranged on the front surface of the box body 3, and a sealing ring 306 is arranged at the connection position of the control panel 305 and the box body 3, be equipped with data response chip 307 in the inside bottom surface of box 3, be equipped with teflon dope layer 4 in the outside of box 3, be equipped with explosion-proof board 5 in the inner wall of box 3, be equipped with temperature-sensing ware 6 and pressure sensors 7 respectively in the inside bottom surface both sides of box 3, be equipped with radiator 9 at the inside top surface of box 3, be equipped with relief valve 8 at the top of box 3.

Specifically, the inflation bag 2 is arranged on the inner bottom surface of the shell 1, the data sensing chip 307 is arranged on the inner bottom surface of the box 3, the temperature sensor 6 and the pressure sensor 7 are respectively arranged on two sides of the inner bottom surface of the box 3, the radiator 9 is arranged on the inner top surface of the box 3, the pressure release valve 8 is arranged on the top of the box 3, the temperature sensor 6 and the pressure sensor 7 are used in a matched mode to perform sensing monitoring on the temperature and the pressure inside the control box, when the temperature and the pressure reach the bearing point of the box 3, the data sensing chip 307 performs sensing control to open the pressure release valve 8, the pressure inside the box 3 is quickly discharged through the pressure release valve 8, the pressure inside the box 3 is reduced, the risk of explosion of the box 3 with too high pressure is reduced, nitrogen is stored through the inflation bag 2, when the temperature inside the box 3 rises to the extent that the radiator 9 cannot be discharged in time, nitrogen is sent into the box body 3 through the inflation bag 2 to absorb heat and cool, and the internal temperature of the box body 3 is quickly absorbed, so that the explosion risk caused by overhigh temperature is reduced, the temperature and pressure are conveniently reduced and exhausted in advance, the explosion probability of the box body 3 is reduced, the explosion-proof performance is enhanced, and the use is more convenient;

specifically, the damping spring 103 is arranged on one side of the shell 1, the explosion-proof plate 5 is arranged on the inner wall of the box 3, the box 3 is arranged in the shell 1, the box 3 is wrapped by the shell 1 to protect the box 3, the box 3 is prevented from being influenced by the outside when blasting occurs, meanwhile, the influence of the outside on the box 3 can be isolated, the impact force generated by blasting inside the box 3 is blocked by the explosion-proof plate 5, the influence of the impact force on the box 3 is reduced, the damage degree of the box 3 is reduced, the protection is enhanced, the impact force is buffered by the damping spring 103, the deformation degree of the box 3 subjected to impact is reduced, the box 3 is prevented from being deformed to generate severe vibration to cause injury to workers, the safety protection is enhanced, and the use is convenient;

it is specific, be equipped with teflon dope layer 4 through the outside at box 3, be equipped with sealing washer 306 in control panel 305 and box 3's junction, can strengthen the protection to box 3's surface through teflon dope layer 4, teflon dope layer 4 has good wearability and high temperature resistance, can effectually prevent to cause the fish tail to box 3's surface when installing box 3, thereby reduce the influence of fish tail vestige to box 3, prevent that the fish tail can become the breakthrough point of blasting, strengthen the protectiveness, can consolidate the tie point of control panel 305 with box 3 through sealing washer 306 and seal, reduce the gap of gas leakage, prevent that the impact force can follow control panel 305 and break through when taking place the blasting, strengthen stability, the impact force lock that the blasting produced in box 3's inside, prevent to cause the influence to the external world, it is comparatively convenient to use.

The working principle is as follows: the temperature sensor 6 is matched with the pressure sensor 7 for use, the temperature and the pressure in the control box are sensed and monitored, when the temperature and the pressure reach the bearing point of the box body 3, the data sensing chip 307 is used for sensing and controlling, so that the pressure release valve 8 is opened, the pressure in the box body 3 is quickly discharged through the pressure release valve 8, the pressure reduction treatment is carried out on the interior of the box body 3, the risk of the explosion of the box body 3 with overhigh pressure is reduced, the nitrogen is stored through the inflation bag 2, when the internal temperature of the box body 3 is increased to the extent that the radiator 9 cannot be timely discharged, the nitrogen is sent into the interior of the box body 3 through the inflation bag 2 for heat absorption and temperature reduction, the internal temperature of the box body 3 is quickly absorbed, the explosion risk caused by overhigh temperature is reduced, the temperature and pressure reduction in advance are facilitated, the probability of the explosion of the box body 3 is reduced, the explosion-proof performance is enhanced, and the use is more convenient, the box body 3 is wrapped by the shell 1 to protect the box body 3, the box body 3 is prevented from being influenced to the outside when blasting occurs, meanwhile, the influence of the outside on the box body 3 can be isolated, the impact force generated by blasting inside the box body 3 is blocked by the explosion-proof plate 5, the influence of the impact force on the box body 3 is reduced, the damage degree of the box body 3 is reduced, protection is enhanced, the impact force is buffered by the damping spring 103, the deformation degree of the box body 3 subjected to impact is reduced, the box body 3 is prevented from being deformed to generate severe vibration to cause injury to workers, safety protection is enhanced, use is convenient, the surface of the box body 3 can be protected by the Teflon coating layer 4, the Teflon coating layer 4 has good wear resistance and high temperature resistance, scratch to the surface of the box body 3 when the box body 3 is installed can be effectively prevented, and the influence of scratch marks to the box body 3 is reduced, prevent that the fish tail can become the breakthrough point of blasting, strengthen the protectiveness, can consolidate through sealing washer 306 and seal control panel 305 and the tie point of box 3, reduce the gap of gas leakage, prevent that the impact force can be followed control panel 305 and broke through when taking place to blast, strengthen stability, the impact force lock that will blast the production is in the inside of box 3, prevents to cause the influence to the external world, and it is comparatively convenient to use.

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.

Claims

1. Explosion-proof junction box, including casing (1), aerify package (2), box (3), teflon dope layer (4), blast resistant plate (5), temperature-sensing ware (6), pressure sensors (7), relief valve (8) and radiator (9), its characterized in that: one side of casing (1) is equipped with damping spring (103), the inside bottom surface of casing (1) is equipped with inflatable bag (2), the inside of casing (1) is equipped with box (3), the front of box (3) is equipped with control panel (305), and the junction of control panel (305) and box (3) is equipped with sealing washer (306), the inside bottom surface of box (3) is equipped with data response chip (307), the outside of box (3) is equipped with teflon dope layer (4), the inner wall of box (3) is equipped with explosion-proof board (5), the inside bottom surface both sides of box (3) are equipped with temperature-sensing ware (6) and pressure sensors (7) respectively, the inside top surface of box (3) is equipped with radiator (9), the top of box (3) is equipped with relief valve (8).

2. An explosion-proof junction box as defined in claim 1, in which: the top of casing (1) is equipped with vent (101), the inside bottom surface both sides of casing (1) all are equipped with backup pad (102), the front of casing (1) is equipped with closing plate (104), and the front of closing plate (104) is equipped with observation window (105).

3. An explosion-proof junction box as defined in claim 1, in which: the front of the inflatable bag (2) is provided with an inflation inlet (201), and the top of the inflatable bag (2) penetrates through the box body (3) and is provided with an air outlet.

4. An explosion-proof junction box as defined in claim 1, in which: the top of box (3) is equipped with louvre (301), the inside of box (3) is equipped with master controller (302), the below of master controller (302) is equipped with branch accuse switch (303), the below of branch accuse switch (303) is equipped with shunt (304).

5. An explosion-proof junction box as defined in claim 1, in which: the bottom of the temperature sensor (6) and the bottom of the pressure sensor (7) are both provided with a fixed seat, and the back of the temperature sensor (6) and the back of the pressure sensor (7) are both provided with an induction probe.

6. An explosion-proof junction box as defined in claim 1, in which: the surface of the explosion-proof plate (5) is provided with pressure relief holes, and reinforcing ribs are arranged inside the explosion-proof plate (5).