CN214379346U

CN214379346U - Dampproofing moulded case circuit breaker

Info

Publication number: CN214379346U
Application number: CN202120718695.2U
Authority: CN
Inventors: 李卫臣
Original assignee: Neller Electric Co ltd
Current assignee: Neller Electric Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-10-08
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a moistureproof molded case circuit breaker, which comprises a fixed frame and is arranged on the wall of a motor-generator room through bolts; dampproofing shell, through the mount is installed on the wall, leave the clearance between dampproofing shell and the wall, and the internally mounted of dampproofing shell has humidity sensing head and temperature sensing head, and humidity sensing head fixed mounting in the interior roof of dampproofing shell, and temperature sensing head fixed mounting in the interior diapire of dampproofing shell. This dampproofing moulded case circuit breaker, be provided with dampproofing shell outside moulded case circuit breaker, the sealing plug is equipped with to the logical line mouth of dampproofing shell, prevent to follow the direct steam entering of logical line mouth, the built-in coarse pore sponge original sheet that is equipped with of bleeder vent plays the effect of filtering steam, be provided with humidity sensing head, can monitor inside humidity, the inside steam of the dampproofing shell of detachable activated carbon net adsorbable of moulded case circuit breaker body both sides installation, dampproofing function has, can be better keep normal function in moist environment.

Description

Dampproofing moulded case circuit breaker

Technical Field

The utility model relates to a moulded case circuit breaker technical field specifically is a dampproofing moulded case circuit breaker.

Background

In addition, researches show that the humidity bearing value of the molded case circuit breaker is related to temperature, the atmospheric relative humidity does not exceed 50% at the ambient air temperature of +40 ℃, the atmospheric relative humidity can have higher relative humidity at lower temperature, the average maximum relative humidity of the wetest month is 90%, but the common circuit breaker does not have a heat dissipation structure, so that the circuit breaker is easy to be in a high-temperature and high-humidity environment after long-term operation, the damage of the molded case circuit breaker is accelerated.

In order to solve the problems, innovative design is urgently needed on the basis of the original molded case circuit breaker structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dampproofing moulded case circuit breaker to what provide does not have dampproofing function, does not possess the heat radiation structure in solving above-mentioned background art, can't adapt to comparatively moist operational environment's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a moisture-proof molded case circuit breaker comprising:

the fixing frame is arranged on the wall of the electromechanical room through bolts;

the moisture-proof shell is arranged on the wall through the fixing frame, a gap is reserved between the moisture-proof shell and the wall, a humidity sensing head and a temperature sensing head are arranged in the moisture-proof shell, the humidity sensing head is fixedly arranged on the inner top wall of the moisture-proof shell, and the temperature sensing head is fixedly arranged on the inner bottom wall of the moisture-proof shell;

the motor is fixedly arranged on the inner wall of the right side of the moisture-proof shell, an output shaft of the motor is fixedly connected with a fan blade through a coupler, and the fan blade is positioned on the right side of the molded case circuit breaker body;

the molded case circuit breaker comprises a molded case circuit breaker body, wherein the molded case circuit breaker body is fixed in a moisture-proof shell through bolts, a detachable activated carbon net is installed on the outer wall of the molded case circuit breaker body, and the detachable activated carbon net is symmetrically arranged on the outer walls of the left side and the right side of the molded case circuit breaker body.

Preferably, the moisture-proof housing is further provided with:

the flip door is arranged on one side of the moisture-proof shell far away from the wall in a reversible manner;

the through wire ports are symmetrically formed in the top and the bottom of the moisture-proof shell, and sealing plugs are clamped on the inner walls of the through wire ports;

and silica gel drying beads which are uniformly arranged on the inner walls of the left side and the right side of the moisture-proof shell.

By adopting the technical scheme, the sealing plugs arranged in the flip door and the through wire port can keep a relatively airtight environment in the moisture-proof shell, so that moisture is prevented from entering the moisture-proof shell easily, the silica gel drying beads fixed on the inner wall of the moisture-proof shell play a role in absorbing water vapor, and the drying inside the moisture-proof shell can be maintained.

Preferably, the moisture-proof housing is further provided with:

and the air holes are symmetrically formed in the outer walls of the left side and the right side of the moisture-proof shell, and the inner walls of the air holes are fixedly provided with coarse-hole sponge wafers.

Adopt above-mentioned technical scheme, the motor drives the fan blade and forms into flowing wind for in the outside fresh air of dampproofing shell can get into dampproofing shell through the bleeder vent, will originally inside hot-air replace come out, set up the coarse pore sponge disk in the bleeder vent, both guaranteed the inside ventilation and heat dissipation of dampproofing shell, also played the effect of certain filtration steam.

Preferably, dampproofing shell passes through mount and wall fixed connection, and the welded position of mount is at dampproofing shell's back, and the mount uses the perpendicular bisector of dampproofing shell to set up at its back as symmetry axis symmetry.

By adopting the technical scheme, the moistureproof shell can not be attached to the surface of a wall and is fixed, and the heat dissipation area on the back of the moistureproof shell is increased by utilizing the moistureproof shell.

Preferably, the through-wire ports and the sealing plugs are arranged in one-to-one correspondence, the inner surfaces of the through-wire ports are completely attached to the outer surfaces of the sealing plugs, and the inner sizes of the through-wire ports are completely matched with the outer sizes of the sealing plugs.

By adopting the technical scheme, when the through wire port is not connected with a circuit, the through wire port can be kept closed by utilizing the sealing plug, and the water vapor is reduced from entering the moisture-proof shell.

Compared with the prior art, the utility model provides a dampproofing moulded case circuit breaker has following advantage:

1. the moisture-proof shell is arranged outside the molded case circuit breaker, a sealing plug is arranged at a wire through port of the moisture-proof shell to prevent water vapor from directly entering the wire through port, a coarse-pore sponge sheet is arranged in the air vent to filter the water vapor, a humidity sensing head is arranged in the moisture-proof shell to monitor the internal humidity, and detachable activated carbon nets arranged on two sides of the molded case circuit breaker body can adsorb the water vapor in the moisture-proof shell;

2. the dampproofing shell inner wall is fixed with the motor, it forms flowing wind to drive the fan rotation, the bleeder vent of dampproofing shell both sides has made things convenient for inside gas exchange, dispel the heat to dampproofing shell inside, dampproofing shell passes through the mount to be fixed on the wall, make and remain some clearances between dampproofing shell and the wall, dampproofing shell is metal product, good heat conductivity has, heat radiating area has been increased, the operational environment's of moulded case circuit breaker temperature is lower more simultaneously, the circuit breaker is also higher to the inclusion of humidity.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

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

FIG. 3 is a schematic side sectional view of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a moisture-proof housing; 2. a fixed mount; 3. a flip door; 4. a wire port; 5. a sealing plug; 6. a humidity sensing head; 7. a temperature sensing head; 8. a motor; 9. a fan blade; 10. air holes are formed; 11. a macroporous sponge wafer; 12. silica gel drying of the beads; 13. a molded case circuit breaker body; 14. a removable activated carbon web.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a moisture-proof molded case circuit breaker comprising:

mount 2, install on the wall in quick-witted electricity room through the bolt, it is specific as shown in fig. 1 and fig. 3, dampproofing shell 1 passes through mount 2 and wall fixed connection, and the welded position of mount 2 is at dampproofing shell 1's back, and mount 2 sets up at its back as symmetry axis symmetry with the perpendicular bisector of dampproofing shell 1, dampproofing shell 1 passes through mount 2 to be fixed on the wall, make and remain some clearances between dampproofing shell 1 and the wall, dampproofing shell 1 is metal product, good heat conductivity has been had, heat radiating area has been increased.

Dampproofing shell 1, install on the wall through mount 2, leave the clearance between dampproofing shell 1 and the wall, and the internally mounted of dampproofing shell 1 has humidity sensing head 6 and temperature sensing head 7, and humidity sensing head 6 fixed mounting is in the interior roof of dampproofing shell 1, and temperature sensing head 7 fixed mounting is in the interior diapire of dampproofing shell 1, and is specific as shown in fig. 1 and fig. 4, dampproofing shell 1 still is provided with:

the flip door 3 is arranged on one side of the moisture-proof shell 1 away from the wall in a flip way;

the wire through ports 4 are symmetrically formed in the top and the bottom of the moisture-proof shell 1, and sealing plugs 5 are clamped on the inner walls of the wire through ports 4; the through ports 4 and the sealing plugs 5 are arranged in a one-to-one correspondence manner, the inner surfaces of the through ports 4 are completely attached to the outer surfaces of the sealing plugs 5, and the inner size of the through ports 4 is completely matched with the outer size of the sealing plugs 5;

silica gel drying beads 12 which are uniformly arranged on the inner walls of the left side and the right side of the moistureproof shell 1;

open flip door 3, the circuit connection line that will connect passes on through-wire mouth 4 is connected to moulded case circuit breaker, through-wire mouth 4 that does not pass the circuit connection line utilizes sealing plug 5 to seal it, then close flip door 3, make 1 inside relative airtight environment that keeps of dampproofing shell, avoid steam to get into 1 inside dampproofing shell easily, the dry pearl 12 of silica gel of even setting on the inner wall of dampproofing shell 1, can adsorb the moisture of 1 inside of dampproofing shell, make and to keep a dry state in the dampproofing shell 1.

As shown in fig. 1, the moisture-proof housing 1 is further provided with:

the air holes 10 are symmetrically formed in the outer walls of the left side and the right side of the moisture-proof shell 1, and the inner walls of the air holes 10 are fixedly provided with coarse-pore sponge wafers 11;

the motor 8 is fixedly arranged on the inner wall of the right side of the moisture-proof shell 1, an output shaft of the motor 8 is fixedly connected with a fan blade 9 through a coupler, and the fan blade 9 is positioned on the right side of the molded case circuit breaker body 13;

when the temperature sensing head 7 senses that the temperature inside the moisture-proof shell 1 exceeds a set value, the motor 8 is started through an electric signal, the motor 8 drives the fan blade 9 to rotate, flowing air is formed, cold air outside the moisture-proof shell 1 enters from the air holes 10 in the right side of the moisture-proof shell 1, hot air inside the moisture-proof shell 1 is discharged from the air holes 10 in the left side of the moisture-proof shell 1, and the air holes 10 are internally provided with the coarse-hole sponge wafers 11, so that ventilation and heat dissipation inside the moisture-proof shell 1 are guaranteed, and a certain water vapor filtering effect is also achieved;

the molded case circuit breaker body 13 is fixed in the moisture-proof shell 1 through bolts, and the outer walls of the left side and the right side of the molded case circuit breaker body 13 are provided with detachable activated carbon nets 14; as shown in fig. 1 and 3, the removable activated carbon net can absorb moisture inside the moisture-proof housing 1, and can be replaced periodically to maintain dryness.

Those not described in detail in this specification are within the skill of the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A moisture-proof molded case circuit breaker, comprising:

2. The moisture resistant molded case circuit breaker according to claim 1, wherein the moisture resistant case is further provided with:

3. The moisture resistant molded case circuit breaker according to claim 1, wherein the moisture resistant case is further provided with:

4. The moisture-proof molded case circuit breaker according to claim 1, wherein: the dampproofing shell passes through mount and wall fixed connection, and the welded position of mount is at the back of dampproofing shell, and the mount uses the perpendicular bisector of dampproofing shell to set up at its back as symmetry axis symmetry.

5. The moisture-proof molded case circuit breaker according to claim 2, wherein: the through line openings and the sealing plugs are arranged in a one-to-one correspondence mode, the inner surfaces of the through line openings are completely attached to the outer surfaces of the sealing plugs, and the inner sizes of the through line openings are completely matched with the outer sizes of the sealing plugs.