CN220209758U

CN220209758U - High-low voltage power distribution cabinet with alarm mechanism

Info

Publication number: CN220209758U
Application number: CN202321449607.9U
Authority: CN
Inventors: 吴俊杰; 黄帅; 杜双双; 王宏海
Original assignee: Hubei Tianzhiwei Construction Engineering Co ltd
Current assignee: Hubei Tianzhiwei Construction Engineering Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-12-19
Anticipated expiration: 2033-06-08

Abstract

The utility model relates to the technical field of power distribution cabinets, and provides a high-low voltage power distribution cabinet with an alarm mechanism, which comprises: the box, at the during operation, blow to the box inside through two hair-dryer, can be under the direction of the chamber that converges of toper with the inside air current of box, quick and comprehensive discharge through the venthole, be provided with smoke transducer in the venthole inboard, can in time detect the inside flue gas of box through smoke transducer, when smoke transducer sensed the smog, generate the signal of telecommunication and carry to the controller, the controller controls audible-visual annunciator and reports to the police, close the hair-dryer, and seal two mounting groove upper ports through closing assembly, avoid outside air to support combustion in the box inside, at last, extinguish the inside fire source of box through extinguishing assembly, be provided with drive assembly in the box inboard, conveniently follow the box inside and stably take out to the device mounting bracket, and then the distribution components and parts of installing on the device mounting bracket overhauls the work conveniently.

Description

High-low voltage power distribution cabinet with alarm mechanism

Technical Field

The utility model relates to the technical field of power distribution cabinets, in particular to a high-low voltage power distribution cabinet with an alarm mechanism.

Background

The power distribution cabinet is divided into a power distribution cabinet illumination power distribution cabinet and a metering cabinet, is final equipment of a power distribution system, is used in the occasions with scattered loads and fewer loops, is used in the occasions with concentrated loads and more loops, and is inconvenient to automatically alarm when the fault of components of the power distribution cabinet is found when the high-voltage power distribution cabinet and the low-voltage power distribution cabinet are used; the main body of the power distribution cabinet is not effectively protected, and the service life of the main body of the power distribution cabinet is easily influenced; the inside of the power distribution cabinet is not effectively cooled, and the electric devices are easy to short.

Through retrieving, the prior patent (bulletin number: CN 217823787U) discloses a high-low voltage power distribution cabinet with automatic power failure alarm, which comprises a connecting seat, the top fixedly connected with switch board main part of connecting seat, the inside of switch board main part is provided with electric devices, the top of switch board main part is provided with the guard plate, the inside bottom of switch board main part is provided with the connecting plate. This high-low voltage power distribution cabinet of electric power failure automatic alarm is through being provided with alarm, cross fixture block, connecting plate and temperature sensor, the inside temperature of switch board main part is higher or the condition that electrical components took place the short circuit, temperature sensor and voltage sensor can make the alarm send the sound of reporting to the police through inside transmission module, the staff can be timely maintain the inside subassembly of switch board main part after the alarm sent the sound of reporting to the police, thereby reduce the serious result that the power failure brought, inconvenient automatic alarm's problem when the subassembly of switch board breaks down is solved.

However, in the above scheme, certain defects still exist, when spontaneous combustion and smoke are generated in the inside of the high-low voltage power distribution cabinet, the defects can not be accurately and timely found, and the defects are controlled, so that the electric elements in the inside of the high-low voltage power distribution cabinet are easy to burn and damage, the safety performance is lower, and the mounting plate provided with the electric elements is arranged on the inner side of the cabinet, so that the electric elements are inconvenient to maintain and repair in later stages and install and detach.

In view of the above, the utility model provides a high-low voltage power distribution cabinet with an alarm mechanism.

Disclosure of Invention

The utility model provides a high-low voltage power distribution cabinet with an alarm mechanism, which solves the problems that the existing high-low voltage power distribution cabinet in the related art cannot be found accurately and timely when spontaneous combustion and smoke occur in the body and is controlled in time, and the safety performance is low.

The technical scheme of the utility model is as follows: high low voltage power distribution cabinet with alarm mechanism includes: the device comprises a box body, a box door rotatably connected to the box body, a converging frame fixed to the top of the box body and a guide plate arranged on the upper side of the converging frame, wherein a device mounting frame is arranged in the box body and used for mounting power distribution components, and a transmission assembly is arranged on the inner side of the box body and used for moving the device mounting frame back and forth on the inner side of the box body;

a fixed plate is fixed in the box body at the lower side of the transmission component, two blowers are fixed on the fixed plate and used for blowing air in the box body, two mounting grooves are formed in the fixed plate in a penetrating manner, and the two blowers are respectively mounted;

a sealing component is arranged on the fixed plate and used for sealing the mounting groove;

a fire extinguishing assembly is arranged in the box body and is used for extinguishing fire in the box body;

the top of converging the frame is fixed with the air outlet a cone-shaped chamber that converges that is offered on the frame and is linked together with the air outlet a smoke sensor is fixed with to the air outlet inboard.

Preferably, the bottom of the box body is provided with an air suction port in a penetrating way, and a filter screen plate is fixed on the box body positioned on the upper side of the air suction port.

Preferably, the fire extinguishing assembly comprises a gas fire extinguisher fixedly connected to the side wall of the box body, a connecting pipe is arranged at the top of the gas fire extinguisher, a gas spraying pipe perpendicular to the connecting pipe is fixed on the connecting pipe, and a plurality of gas spraying ports are formed in the outer wall of the gas spraying pipe at equal intervals.

Preferably, the transmission assembly comprises two supporting slide ways fixedly connected to the inner wall of the box body, two slide bars are fixed to the bottom of the device mounting frame and are in sliding fit with the supporting slide ways, a threaded sleeve is fixedly connected to the bottom of the device mounting frame between the two supporting slide ways, a screw rod is sleeved on the internal thread of the threaded sleeve, and the screw rod is rotationally connected with the inner wall of the box body.

Preferably, the fixed cover is equipped with first helical gear on the outer wall of lead screw, the downside meshing of first helical gear has the second helical gear, the inside fixed cover of second helical gear is equipped with the axostylus axostyle, axostylus axostyle one end is connected with the box inner wall rotation, and other one end fixedly connected with carousel rotate the cover on the outer wall of axostylus axostyle and be equipped with the fixed block, fixed block bottom and fixed plate top fixed connection.

Preferably, the sealing assembly comprises two cover plates, the cross section of each cover plate is square, the side length of each cover plate is larger than the inner diameter of each mounting groove, two side plates are fixedly connected between the cover plates together, two guide grooves are formed in the fixing plates, and the side plates are in sliding fit with the guide grooves.

Preferably, a rack is fixed on the outer wall of the side board positioned at the front side, a motor is embedded in the fixed board, a transmission gear is fixed at the end part of an output shaft of the motor, and the transmission gear is meshed with the rack.

Preferably, the top of the confluence frame is fixedly provided with an audible and visual alarm, and the bottom of the box body is symmetrically and fixedly provided with two supporting plates.

Preferably, a controller is fixedly arranged on the inner wall of the box body, and the blower, the gas extinguisher, the motor, the smoke sensor and the confluence frame uniform controller are electrically connected.

The working principle and the beneficial effects of the utility model are as follows:

1. according to the utility model, two blowers work to blow air into the box body, heat generated when power distribution components in the box body work is blown, so that air flow can be rapidly and comprehensively discharged through the air outlet cylinder under the guidance of the conical converging cavity, the heat dissipation work in the box body is realized, the smoke sensor is arranged on the inner side of the air outlet cylinder, smoke in the box body can be timely detected through the smoke sensor, when the smoke sensor senses smoke, an electric signal is generated and is transmitted to the controller, the controller controls the acousto-optic alarm to alarm, the blowers are closed, the upper ports of the two mounting grooves are closed through the sealing component, the combustion supporting of external air in the box body is avoided, and finally, the fire source in the box body is extinguished through the fire extinguishing component, so that the safety performance is good;

2. according to the utility model, the transmission assembly is arranged at the inner side of the box body, and the device mounting frame can be moved back and forth at the inner side of the box body through the transmission assembly, so that the device mounting frame can be conveniently and stably pulled out from the inner side of the box body, and further, the power distribution components and parts mounted on the device mounting frame can be conveniently overhauled, and the device mounting frame has good practical performance.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

Fig. 1 is a schematic plan view of a high-low voltage power distribution cabinet provided with an alarm mechanism;

fig. 2 is a schematic diagram of a partial sectional structure of a high-low voltage power distribution cabinet provided with an alarm mechanism according to the present utility model;

FIG. 3 is a schematic view showing the structure of a closure assembly according to the present utility model;

FIG. 4 is a schematic diagram illustrating the structure of a transmission assembly according to the present utility model;

in the figure: 1. a deflector; 2. a confluence frame; 201. a confluence chamber; 3. a controller; 4. a case; 5. a fire suppression assembly; 501. a gas lance; 502. an air jet; 503. a connecting pipe; 504. a gas fire extinguisher; 6. a closure assembly; 601. a transmission gear; 602. a motor; 603. a rack; 604. a cover plate; 605. a side plate; 7. a fixing plate; 701. a guide groove; 702. a mounting groove; 8. a blower; 9. a transmission assembly; 901. supporting a slideway; 902. a screw rod; 903. a first helical gear; 904. a second helical gear; 905. a fixed block; 906. a shaft lever; 907. a turntable; 908. a threaded sleeve; 10. a power distribution component; 11. a device mounting rack; 12. a door; 13. an audible and visual alarm; 14. an air outlet tube; 15. a smoke sensor; 16. a filter screen plate.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill 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 and 2, a high-low voltage power distribution cabinet with an alarm mechanism includes: the smoke detector comprises a box body 4, a box door 12 rotatably connected to the box body 4, a converging frame 2 fixed to the top of the box body 4 and a guide plate 1 arranged on the upper side of the converging frame 2, wherein an air outlet tube 14 is fixed to the top of the converging frame 2, a conical converging cavity 201 communicated with the air outlet tube 14 is formed in the converging frame 2, and a smoke sensor 15 is fixed to the inner side of the air outlet tube 14. The inside fixed plate 7 that is fixed with of box 4 that is located transmission subassembly 9 downside is fixed with two hair-dryer 8 on fixed plate 7 for blow to box 4 inside, runs through on fixed plate 7 and has seted up two mounting grooves 702, installs two hair-dryer 8 respectively. The bottom of the box body 4 is provided with an air suction port in a penetrating way, and a filter screen plate 16 is fixed on the box body 4 positioned on the upper side of the air suction port. When the two blowers 8 work, the air can be blown into the box 4, and the heat generated when the power distribution components 10 in the box 4 work is blown, so that the heat can be discharged through the air outlet cylinder 14 under the guidance of the conical converging cavity 201, and when the blowers 8 work, the air suction is performed on the outside of the box 4, and the air flow entering the box 4 is filtered through the filter screen plate 16.

Referring to fig. 1 and 4, a device mounting frame 11 is disposed inside the box 4 for mounting the power distribution component 10, and a transmission assembly 9 is disposed inside the box 4 for moving the device mounting frame 11 back and forth inside the box 4. Wherein, drive assembly 9 includes two fixed connection support slide 901 on the inner wall of box 4, and the bottom of device mounting bracket 11 is fixed with two slide bars, and the slide bar slides the laminating with support slide 901, and device mounting bracket 11 bottom fixedly connected with screw sleeve 908 that is located between two support slide 901 is equipped with lead screw 902 at the inside thread bush of screw sleeve 908, and lead screw 902 rotates with the inner wall of box 4 to be connected. The fixed cover is equipped with first helical gear 903 on the outer wall of lead screw 902, and the downside meshing of first helical gear 903 has second helical gear 904, and the inside fixed cover of second helical gear 904 is equipped with axostylus axostyle 906, and axostylus axostyle 906 one end is connected with the rotation of box 4 inner wall, and other one end fixedly connected with carousel 907, the cover is equipped with fixed block 905 on the outer wall of axostylus axostyle 906 in the rotation, fixed block 905 bottom and fixed plate 7 top fixed connection. Through carousel 907 to axostylus axostyle 906, axostylus axostyle 906 drives second helical gear 904 and rotates, and second helical gear 904 drives first helical gear 903 and rotates, and first helical gear 903 drives lead screw 902 and rotates for screw sleeve 908 can remove along the lead screw 902 outer wall, thereby can drive device mounting bracket 11 and reciprocate, thereby conveniently take out device mounting bracket 11 from the inside stability of box 4, and then conveniently overhaul work to the distribution components and parts 10 of installing on the device mounting bracket 11.

Referring to fig. 2 and 3, a sealing assembly 6 is disposed on the fixing plate 7 for sealing the mounting groove 702. The sealing assembly 6 comprises two cover plates 604, the cross section of each cover plate 604 is square, the side length of each cover plate 604 is larger than the inner diameter of each mounting groove 702, two side plates 605 are fixedly connected between the two cover plates 604, two guide grooves 701 are formed in the fixing plate 7, and the side plates 605 are in sliding fit with the guide grooves 701. A rack 603 is fixed on the outer wall of the side plate 605 at the front side, a motor 602 is embedded in the fixed plate 7, a transmission gear 601 is fixed at the end part of the output shaft of the motor 602, and the transmission gear 601 is meshed with the rack 603. The motor 602 is started, the motor 602 drives the transmission gear 601 to rotate through the output shaft of the motor, and when the transmission gear 601 rotates, the two cover plates 604 can be driven to translate through the racks 603, so that the upper ports of the two mounting grooves 702 can be closed or opened.

Referring to fig. 1, 2 and 3, a fire extinguishing assembly 5 is disposed inside the case 4 for extinguishing a fire inside the case 4. The fire extinguishing assembly 5 comprises a gas fire extinguisher 504 fixedly connected to the side wall of the box body 4, a connecting pipe 503 is arranged at the top of the gas fire extinguisher 504, gas spraying pipes 501 perpendicular to the connecting pipe 503 are fixed on the connecting pipe 503, and a plurality of gas spraying ports 502 are formed in the outer wall of the gas spraying pipes 501 at equal intervals. An audible and visual alarm 13 is fixedly arranged at the top of the confluence frame 2, and two supporting plates are symmetrically fixed at the bottom of the box body 4. The controller 3 is fixedly arranged on the inner wall of the box body 4, and the blower 8, the gas extinguisher 504, the motor 602, the smoke sensor 15 and the confluence frame 2 are electrically connected with the controller 3. When the smoke sensor 15 senses smoke, an electric signal is generated and is transmitted to the controller 3, the controller 3 controls the audible and visual alarm 13 to alarm, and the gas extinguisher 504 is started to start to spray flame-retardant gas, and the flame-retardant gas is sprayed out through the air spraying ports 502 distributed on the air spraying pipes 501 to extinguish the fire source in the box body 4.

Working principle and using flow: during daily operation, the two blowers 8 work to blow air to the inside of the box 4, and the heat generated during the operation of the power distribution components 10 in the box 4 is blown, so that the heat can be discharged through the air outlet tube 14 under the guidance of the conical converging cavity 201. The inside smoke sensor 15 that is provided with of gas outlet 14, smoke sensor 15 can in time detect the inside air current of box 4, when smoke sensor 15 sensed the smog, generate the signal of telecommunication and carry to controller 3, when controller 3 control audible-visual annunciator 13 reported to the police, close hair-dryer 8, and control motor 602 work, make motor 602 drive gear 601 through its output shaft and rotate, when gear 601 rotated, can drive two cover plates 604 through rack 603 and translate, seal the port on two mounting grooves 702, afterwards, start gas extinguisher 504, make it begin to spray fire-retardant gas to the inside of box 4, fire-retardant gas is blowout through the fumarole 502 that distributes on the fumare 501, extinguish the inside fire source of box 4. After the fire extinguishing is finished, the shaft lever 906 is rotated through the turntable 907, the shaft lever 906 drives the second bevel gear 904 to rotate, the second bevel gear 904 drives the first bevel gear 903 to rotate, the first bevel gear 903 drives the screw rod 902 to rotate, the threaded sleeve 908 can move along the outer wall of the screw rod 902, and the device mounting frame 11 can be driven to move back and forth, so that the device mounting frame 11 can be conveniently and stably pulled out from the inside of the box body 4, and the power distribution component 10 mounted on the device mounting frame 11 can be conveniently overhauled.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. High low voltage power distribution cabinet with alarm mechanism includes: the power distribution box is characterized in that a device mounting rack (11) is arranged in the box body (4) and used for mounting power distribution components (10), and a transmission assembly (9) is arranged in the box body (4) and used for moving the device mounting rack (11) back and forth in the box body (4);

a fixed plate (7) is fixed inside the box body (4) positioned at the lower side of the transmission assembly (9), two blowers (8) are fixed on the fixed plate (7) and used for blowing air inside the box body (4), and two mounting grooves (702) are formed in the fixed plate (7) in a penetrating manner and are used for respectively mounting the two blowers (8);

a sealing component (6) is arranged on the fixed plate (7) and is used for sealing the mounting groove (702);

a fire extinguishing assembly (5) is arranged in the box body (4) and is used for extinguishing fire in the box body (4);

the top of the confluence frame (2) is fixedly provided with an air outlet tube (14), a conical confluence cavity (201) communicated with the air outlet tube (14) is formed in the confluence frame (2), and a smoke sensor (15) is fixed on the inner side of the air outlet tube (14).

2. The high-low voltage power distribution cabinet with the alarm mechanism according to claim 1, wherein an air suction port is formed in the bottom of the box body (4) in a penetrating mode, and a filter screen plate (16) is fixed on the box body (4) located on the upper side of the air suction port.

3. The high-low voltage power distribution cabinet with the alarm mechanism according to claim 1, wherein the fire extinguishing assembly (5) comprises a gas fire extinguisher (504) fixedly connected to the side wall of the box body (4), a connecting pipe (503) is arranged at the top of the gas fire extinguisher (504), an air jet pipe (501) perpendicular to the connecting pipe (503) is fixed on the connecting pipe (503), and a plurality of air jet ports (502) are equidistantly arranged on the outer wall of the air jet pipe (501).

4. A high-low voltage power distribution cabinet with an alarm mechanism according to claim 3, characterized in that the transmission assembly (9) comprises two supporting slide ways (901) fixedly connected to the inner wall of the box body (4), two sliding rods are fixed at the bottom of the device mounting frame (11), the sliding rods are in sliding fit with the supporting slide ways (901), a threaded sleeve (908) is fixedly connected to the bottom of the device mounting frame (11) between the two supporting slide ways (901), a screw rod (902) is sleeved on the internal threads of the threaded sleeve (908), and the screw rod (902) is rotatably connected with the inner wall of the box body (4).

5. The high-low voltage power distribution cabinet with the alarm mechanism according to claim 4, wherein a first bevel gear (903) is fixedly sleeved on the outer wall of the screw rod (902), a second bevel gear (904) is meshed with the lower side of the first bevel gear (903), a shaft lever (906) is fixedly sleeved in the second bevel gear (904), one end of the shaft lever (906) is rotatably connected with the inner wall of the box body (4), the other end of the shaft lever is fixedly connected with a rotary table (907), a fixed block (905) is rotatably sleeved on the outer wall of the shaft lever (906), and the bottom of the fixed block (905) is fixedly connected with the top of the fixed plate (7).

6. The high-low voltage power distribution cabinet with the alarm mechanism according to claim 5, wherein the sealing assembly (6) comprises two cover plates (604), the cross section of each cover plate (604) is square, the side length of each cover plate is larger than the inner diameter of each mounting groove (702), two side plates (605) are fixedly connected between the two cover plates (604) together, two guide grooves (701) are formed in the fixing plate (7), and the side plates (605) are in sliding fit with the guide grooves (701).

7. The high-low voltage power distribution cabinet with the alarm mechanism according to claim 6, wherein a rack (603) is fixed on the outer wall of a side plate (605) positioned on the front side, a motor (602) is embedded in the fixed plate (7), a transmission gear (601) is fixed at the end part of an output shaft of the motor (602), and the transmission gear (601) is meshed with the rack (603).

8. The high-low voltage power distribution cabinet with the alarm mechanism according to claim 7, wherein an audible and visual alarm (13) is fixedly arranged at the top of the confluence frame (2), and two supporting plates are symmetrically fixed at the bottom of the box body (4).

9. The high-low voltage power distribution cabinet with the alarm mechanism according to claim 8, wherein a controller (3) is fixedly arranged on the inner wall of the box body (4), and the blower (8), the gas fire extinguisher (504), the motor (602), the smoke sensor (15) and the confluence frame (2) are electrically connected with the uniform controller (3).