CN213873724U

CN213873724U - Safety device for reducing fire hidden danger of vertical oven

Info

Publication number: CN213873724U
Application number: CN202023265827.5U
Authority: CN
Inventors: 倪蕴之; 朱永乐; 张广明; 付帮智
Original assignee: Jiang Suhang Electronic Co ltd
Current assignee: Jiang Suhang Electronic Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-03
Anticipated expiration: 2030-12-30

Abstract

The utility model belongs to the technical field of safety device, a reduce safety device of vertical oven hidden danger that fires is related to, wherein, including the control box, the rear side fixedly connected with mounting panel of control box inner wall, fixedly connected with auxiliary relay, current transformer switch and controller on the mounting panel, the bottom fixedly connected with area trip formula circuit breaker of control box inner wall, through wire electric connection between auxiliary relay, current transformer switch, controller and the area trip formula circuit breaker. Its beneficial effect is, this reduce safety device of vertical oven hidden danger of firing through auxiliary relay, can protect the current transformer switch, ensures the life of current transformer switch, through rotating motor and cooler, rotates motor work and drives the flabellum and rotate, and the cooler distributes air conditioning simultaneously to the processing of cooling down in to the control box, whole device is rational in infrastructure, convenient to use, and the practicality is strong.

Description

Safety device for reducing fire hidden danger of vertical oven

Technical Field

The utility model belongs to the technical field of safety device, concretely relates to reduce safety device of vertical oven hidden danger of starting a fire.

Background

In the circuit board industry company, the heater is burnt dry when the vertical oven is used, so that the accident of fire or burnout occurs, and therefore, the power failure before the fire or burnout of the oven is very important.

However, the protection effect of the conventional safety device is very poor, when the circulating fan is burnt out, the oven is in a risk state, the thermal protection of the fan motor fails, the power supply of a fan motor contactor and a heater contactor coil cannot be cut off, and the heater contactor may be sintered or stuck, so that no thermal circulating air plays an important role in the safety protection device of the oven, but no method for judging the running state of the circulating fan exists at present.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a reduce safety device of vertical oven hidden danger of starting a fire, it has solved the poor technical problem of hidden danger prevention effect.

In order to achieve the above object, the utility model provides a following technical scheme: a safety device for reducing fire hidden danger of a vertical oven comprises a control box, wherein a mounting plate is fixedly connected to the rear side of the inner wall of the control box, an intermediate relay, a current transformer switch and a controller are fixedly connected to the mounting plate, a trip type circuit breaker is fixedly connected to the bottom of the inner wall of the control box, the intermediate relay, the current transformer switch, the controller and the trip type circuit breaker are electrically connected through a lead, a motor groove is fixedly connected to one side of the inner wall of the control box, a rotating motor, a cooler and an isolation net are fixedly connected to the motor groove, a fan blade is fixedly connected to an output shaft of the rotating motor, a ventilation hole is formed in the other side of the control box, a water tank is fixedly connected to the top of the control box, a drain pipe is fixedly connected to one side of the water tank, and a moisture absorber is fixedly connected to the top of the inner wall of the control box, the other side of the moisture absorber passes through the water tank and is positioned in the water tank.

As a further aspect of the present invention: the control box is internally and fixedly connected with a storage battery box, and the storage battery box is internally and fixedly connected with a storage battery.

As a further aspect of the present invention: the top fixedly connected with temperature-sensing ware of control box inner wall, temperature-sensing ware passes through wire and rotation motor and cooler electric connection.

As a further aspect of the present invention: the top fixedly connected with humidity inductor of control box inner wall, humidity inductor passes through wire and desiccator electric connection.

As a further aspect of the present invention: the surface fixed connection of water tank has the observation window, the material of observation window is toughened glass.

As a further aspect of the present invention: the surface of the control box is movably connected with a box door through a hinge, the surface of the box door is fixedly connected with a control switch, and the control switch is electrically connected with all electrical appliances through a wire.

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

1. this reduce safety device of vertical oven hidden danger of firing through auxiliary relay, can protect the current transformer switch, ensures the life of current transformer switch, through the current transformer switch, can judge circulating fan's running state, output signal can cut off heater power and main power, can effectually avoid the fan to damage and arouse the fire because of dry combustion method when other safety protection became invalid.

2. This reduce safety device of vertical oven hidden danger of starting a fire, through rotating motor and cooler, rotate motor work and drive the flabellum and rotate, the cooler distributes air conditioning simultaneously to cooling down the processing in the control box, through the desiccator, can absorb the moisture in the control box, avoid the moisture in the control box to accelerate the ageing speed of auxiliary relay, current transformer switch, controller, area trip formula circuit breaker and wire too heavily.

3. This reduce safety device of vertical oven hidden danger of firing through temperature-sensing ware and humidity inductor, can detect the temperature and humidity in the control box respectively to environment to the control box is controlled, and whole device is rational in infrastructure, convenient to use, and the practicality is strong.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a front view section of the present invention;

FIG. 2 is a schematic structural view of a section of a motor slot in the present invention;

FIG. 3 is a schematic three-dimensional structure of the present invention;

in the figure: 1. a control box; 2. mounting a plate; 3. an intermediate relay; 4. a current transformer switch; 5. a controller; 6. a motor slot; 7. a temperature sensor; 8. a moisture absorber; 9. a water tank; 10. a drain pipe; 11. a humidity sensor; 12. an accumulator case; 13. a storage battery; 14. a ventilation hole; 15. a belt trip circuit breaker; 16. rotating the motor; 17. a fan blade; 18. an isolation net; 19. a temperature reducer; 20. a box door; 21. a control switch; 22. and (4) an observation window.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a safety device for reducing fire hidden danger of a vertical oven comprises a control box 1, a mounting plate 2 is fixedly connected to the rear side of the inner wall of the control box 1, an intermediate relay 3, a current transformer switch 4 and a controller 5 are fixedly connected to the mounting plate 2, the current transformer switch 4 can be protected through the intermediate relay 3, the service life of the current transformer switch 4 is guaranteed, the running state of a circulating fan can be judged through the current transformer switch 4, a heater power supply and a main power supply can be cut off through output signals, fire caused by dry burning when the fan is damaged and other safety protection fails can be effectively avoided, a belt release type breaker 15 is fixedly connected to the bottom of the inner wall of the control box 1, the intermediate relay 3, the current transformer switch 4, the controller 5 and the belt release type breaker 15 are electrically connected through leads, a motor groove 6 is fixedly connected to one side of the inner wall of the control box 1, a rotating motor 16, a cooler 19 and an isolation net 18 are fixedly connected in the motor groove 6, the rotating motor 16 drives a fan blade 17 to rotate by rotating the motor 16 and the cooler 19, meanwhile, the cooler 19 emits cold air, thereby cooling treatment is carried out in the control box 1, the fan blade 17 is fixedly connected on an output shaft of the rotating motor 16, a ventilation hole 14 is formed in the other side of the control box 1, a water tank 9 is fixedly connected on the top of the control box 1, a drain pipe 10 is fixedly connected on one side of the water tank 9, a moisture absorber 8 is fixedly connected on the top of the inner wall of the control box 1, moisture in the control box 1 can be absorbed through the moisture absorber 8, the situation that the moisture in the control box 1 is too heavy and the aging speed of the intermediate relay 3, the current transformer switch 4, the controller 5, the trip type circuit breaker 15 and the wire is accelerated is avoided, the other side of the moisture absorber 8 passes through the water tank 9 and is positioned in the water tank 9, the whole device is reasonable in structure, convenient to use and high in practicability.

Specifically, fixedly connected with battery box 12 in the control box 1, fixedly connected with battery 13 in the battery box 12, the top fixedly connected with temperature-sensing ware 7 of control box 1 inner wall, temperature-sensing ware 7 passes through wire and rotating

electrical machines

16 and 19 electric connection of cooler, through temperature-sensing ware 7 and humidity inductor 11, can detect temperature and humidity in the control box 1 respectively to environment in the control box 1 is controlled.

Specifically, the top fixedly connected with humidity inductor 11 of 1 inner wall of control box, humidity inductor 11 pass through wire and 8 electric connection of desiccator, and the fixed surface of water tank 9 is connected with observation window 22, and the material of observation window 22 is toughened glass, and hinge swing joint has chamber door 20 on the surface of control box 1, and the fixed surface of chamber door 20 is connected with control switch 21, and control switch 21 passes through the wire and all uses electrical apparatus electric connection.

The utility model discloses a theory of operation does:

s1, when the circulating fan is used, the current transformer switch 4 judges the running state of the circulating fan, when no current exists, the intermediate relay 3 is not powered, the normally open contact of the intermediate relay 3 disconnects the heating contact coil power supply, the heater is cut off for heating, if the heater contactor is blocked or sintered and the heater cannot disconnect the heating of the heater, the current transformer switch 4 is used for controlling to cut off the main power switch, and the fan can be effectively prevented from being damaged and the fire caused by dry burning when other safety protection fails;

s2, when the temperature sensor 7 detects that the temperature in the control box 1 is too high, the temperature sensor 7 turns on the rotating motor 16 and the cooler 19, the rotating motor 16 works to drive the fan blades 17 to rotate, and the cooler 19 emits cold air, so that the intermediate relay 3, the current transformer switch 4, the controller 5 and the trip type circuit breaker 15 are cooled, and the damage or the ignition caused by the too high temperature is avoided;

s3, when the humidity inductor 11 detects that the moisture in the box is too heavy, the humidity inductor 11 opens the moisture absorber 8, the moisture in the control box 1 is absorbed by the moisture absorber 8, and the moisture is converted into water to be conveyed into the water tank 9 for storage, so that the moisture in the control box 1 is prevented from being too heavy, the aging speed of the intermediate relay 3, the current transformer switch 4, the controller 5, the trip type circuit breaker 15 and the wire is increased, and when the water in the water tank 9 is nearly full, the water drainage pipe 10 can be opened to drain the water.

While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a reduce safety device of vertical oven hidden danger of starting a fire, includes control box (1), its characterized in that: the rear side of the inner wall of the control box (1) is fixedly connected with a mounting plate (2), an intermediate relay (3), a current transformer switch (4) and a controller (5) are fixedly connected onto the mounting plate (2), the bottom of the inner wall of the control box (1) is fixedly connected with a belt trip type circuit breaker (15), the intermediate relay (3), the current transformer switch (4), the controller (5) and the belt trip type circuit breaker (15) are electrically connected through a wire, one side of the inner wall of the control box (1) is fixedly connected with a motor groove (6), a rotating motor (16), a cooler (19) and an isolation net (18) are fixedly connected into the motor groove (6), fan blades (17) are fixedly connected onto an output shaft of the rotating motor (16), a ventilation hole (14) is formed in the other side of the control box (1), and a water tank (9) is fixedly connected onto the top of the control box (1), one side fixedly connected with drain pipe (10) of water tank (9), the top fixedly connected with desiccator (8) of control box (1) inner wall, the opposite side of desiccator (8) passes water tank (9) and is located water tank (9).

2. The safety device for reducing the fire hazard of the vertical oven as claimed in claim 1, is characterized in that: the control box (1) is internally and fixedly connected with a storage battery box (12), and the storage battery box (12) is internally and fixedly connected with a storage battery (13).

3. The safety device for reducing the fire hazard of the vertical oven as claimed in claim 1, is characterized in that: the top fixedly connected with temperature-sensing ware (7) of control box (1) inner wall, temperature-sensing ware (7) pass through wire and rotating motor (16) and cooler (19) electric connection.

4. The safety device for reducing the fire hazard of the vertical oven as claimed in claim 1, is characterized in that: the top fixedly connected with humidity inductor (11) of control box (1) inner wall, humidity inductor (11) pass through wire and desiccator (8) electric connection.

5. The safety device for reducing the fire hazard of the vertical oven as claimed in claim 1, is characterized in that: the surface fixed connection of water tank (9) has observation window (22), the material of observation window (22) is toughened glass.

6. The safety device for reducing the fire hazard of the vertical oven as claimed in claim 1, is characterized in that: the surface of the control box (1) is movably connected with a box door (20) through a hinge, the surface of the box door (20) is fixedly connected with a control switch (21), and the control switch (21) is electrically connected with all electrical appliances through a wire.