CN215528373U

CN215528373U - High temperature resistant device for breaker of power distribution cabinet

Info

Publication number: CN215528373U
Application number: CN202121400088.8U
Authority: CN
Inventors: 李军; 刘长春
Original assignee: Hengyang Yingde Gas Co ltd
Current assignee: Hengyang Yingde Gas Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-01-14
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses a high-temperature prevention device for a circuit breaker of a power distribution cabinet, which comprises a movable frame, an exhaust duct, a cabinet body, an alloy belt and an air inlet duct, wherein a supporting seat is welded on the lower surface of the cabinet body, contacts are equidistantly arranged at the lower end in the cabinet body, a sensor is connected on the alloy belt in a penetrating manner, the alloy belt is wound on the contacts, two ends of the alloy belt are connected on pin plates in a penetrating manner, the sensor, the pin plates and the contacts are respectively in mutual contact, the exhaust duct and the air inlet duct are respectively arranged at the top end of the inner wall of the cabinet body, an exhaust fan is arranged at the lower end of the inner wall of the exhaust duct, and a blowing fan is arranged at the upper end of the inner wall of the air inlet duct. The utility model prevents the temperature from being overhigh, improves the reliability of the equipment, ensures the safety in the operation process and meets the use requirements of personnel.

Description

High temperature resistant device for breaker of power distribution cabinet

Technical Field

The utility model relates to the technical field of power distribution cabinets, in particular to a high-temperature prevention device for a circuit breaker of a power distribution cabinet.

Background

The distribution cabinet (case) is a final-stage device of a distribution system and is divided into a power distribution cabinet (case), a lighting distribution cabinet (case) and a metering cabinet (case). The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load.

At present, in the manufacturing, need use high-power equipment, wherein high-voltage circuit breaker can play control and protection's effect to equipment everywhere in the circuit, is its important device in the circuit, if high-voltage circuit breaker leads to breaking down because of the high temperature, so when other equipment goes wrong in the circuit, and when high-voltage circuit breaker abnormal work, the easy equipment that takes place damages, even the potential safety hazard of burning on fire.

By researching a temperature detection method of the high-voltage circuit breaker, the mechanical looseness sometimes exists when each contact in the circuit breaker is oxidized and abraded for a long time;

these easily cause the resistance increase of junction, and when high voltage, heavy current flow through, the temperature of contact point just very easily rises to cause the incident, can not satisfy personnel's user demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-temperature prevention device for a circuit breaker of a power distribution cabinet, which has the advantages of preventing overhigh temperature, improving the reliability of equipment, ensuring the safety in the operation process, meeting the use requirements of personnel, solving the problems that the resistance of a connecting part is increased, and when high voltage and large current flow, the temperature of a contact point is very easy to rise, so that safety accidents are caused, and the use requirements of the personnel cannot be met.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a switch board circuit breaker prevents high temperature device, includes movable frame, exhaust duct, the cabinet body, alloy area and air inlet duct, the lower surface welding of the cabinet body has the supporting seat, the inside lower extreme equidistance of the cabinet body is equipped with the contact, the sensor has worn to connect on the alloy area, the alloy area winding is on the contact, the both ends of alloy area are worn to connect on the cotter board, mutual contact respectively between sensor, cotter board and the contact, exhaust duct, air inlet duct have been seted up respectively on the inner wall top of the cabinet body, the inner wall lower extreme of exhaust duct is equipped with the exhaust fan, the inner wall upper end of air inlet duct is equipped with the fan of blowing.

Preferably, the cabinet body is rotatably provided with a cabinet door through a hinge, and the cabinet door is provided with a door handle through a bolt.

Preferably, the pin plate is provided with a through hole matched with the alloy belt, and the alloy belt movably penetrates through the through hole.

Preferably, the lower surface welding of round pin board has the fixed block, the threaded rod is installed to the screw thread on the fixed block, the other end cross-under of threaded rod takes at the alloy, the round hole with threaded rod looks adaptation is seted up to the equidistance on the alloy area.

Preferably, the movable frame is installed to the inner wall top joint of air inlet duct, inlay on the movable frame and install the filter screen.

Preferably, the number of the supporting seats is four, and the four supporting seats are distributed on the lower surface of the cabinet body in a rectangular array.

Compared with the prior art, the utility model has the following beneficial effects:

1. when the high-temperature prevention device for the circuit breaker of the power distribution cabinet is used, the temperature sensor can be fixed on the contact through the alloy belt, the temperature data of the contact of the circuit breaker is monitored, meanwhile, the hole is formed in the upper portion of the power distribution cabinet, the heat dissipation fan is configured, when the temperature detected by the temperature sensor is higher than the set upper temperature limit value, the heat dissipation fan above the power distribution cabinet is automatically started, the best heat dissipation effect is considered, the blowing direction of the fan is designed to be 'one inlet and one outlet', air is blown into the interior of the power distribution cabinet body through the blowing fan, and the air is exhausted to the exterior of the power distribution cabinet body through the exhaust fan, so that the best heat dissipation effect is ensured, the overhigh temperature is prevented, the reliability of equipment is improved, the safety in the operation process is ensured, and the use requirements of personnel are met.

Drawings

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

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

FIG. 3 is a schematic view of the installation structure of the alloy strip of the present invention;

FIG. 4 is a schematic structural diagram of A in FIG. 2 according to the present invention.

In the figure: 1. a movable frame; 2. a filter screen; 3. an exhaust duct; 4. a cabinet door; 5. a door handle; 6. a cabinet body; 7. a hinge; 8. a contact; 9. a supporting seat; 10. an exhaust fan; 11. a sensor; 12. an alloy strip; 13. a threaded rod; 14. a pin plate; 15. a fixed block; 16. an air inlet duct; 17. an air blowing fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element 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, such as "connected," which may be fixedly connected, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, an embodiment of the present invention includes: the utility model provides a switch board circuit breaker prevents high temperature device, includes that movable frame 1, exhaust duct 3, the cabinet body 6, alloy area 12 and air inlet duct 16 rotate through hinge 7 on the cabinet body 6 and install cabinet door 4, installs door handle 5 through the bolt on the cabinet door 4, and the lower skin weld of the cabinet body 6 has supporting seat 9, and supporting seat 9 is four altogether, and the position of four supporting seats 9 is rectangular array distribution at the lower surface of the cabinet body 6.

The lower end of the interior of the cabinet body 6 is equidistantly provided with contacts 8, the alloy belt 12 is provided with sensors 11 in a penetrating manner, the alloy belt 12 is wound on the contacts 8, two ends of the alloy belt 12 are penetrated on the pin plate 14, the pin plate 14 is provided with a through hole matched with the alloy belt 12, the alloy belt 12 is movably penetrated in the through hole, the lower surface of the pin plate 14 is welded with a fixing block 15, a threaded rod 13 is arranged on the fixing block 15 in a threaded manner, the other end of the threaded rod 13 is penetrated on the alloy belt 12, the alloy belt 12 is equidistantly provided with a round hole matched with the threaded rod 13, and the sensors 11 are convenient to detach and mount.

The sensor 11, the pin plate 14 and the contact 8 are respectively contacted with each other, the temperature sensor 11 can be fixed on the contact 8 through the alloy belt 12, and the temperature data of the breaker contact 8 can be monitored.

Through carrying out research analysis to multiple data transmission mode, usable WIFI wireless transmission technique is to the big screen of control room control monitoring on the temperature data wireless transmission that circuit breaker contact 8 surveyed, and the model of this type of sensor 11 is ATE 400.

Exhaust duct 3 has been seted up respectively on the inner wall top of the cabinet body 6, air inlet duct 16, the inner wall lower extreme of exhaust duct 3 is equipped with exhaust fan 10, the inner wall upper end of air inlet duct 16 is equipped with blowing fan 17, design the trompil in the switch board top, and dispose radiator fan, the temperature that detects when temperature sensor 11 is higher than the temperature upper limit value of settlement, then the radiator fan of automatic start switch board top, the best radiating effect is considered here, design into "one advances one and goes out" with the direction of blowing of fan, blow to the inside of the switch board body 6 through blowing fan 17, wind direction design of airing exhaust to the outside of the switch board body 6 through exhaust fan 10, with guarantee the radiating effect best, prevent the high temperature, the equipment reliability is improved, the security in the operation process has been guaranteed, personnel's user demand is satisfied.

As is well known to those skilled in the art, the blower fan 17 and the exhaust fan 10 of the present invention also need to provide power means to enable their normal operation, and as is well known to those skilled in the art, the provision of such power is common to conventional means or common general knowledge, and will not be described herein in detail, and any selection may be made by those skilled in the art according to their needs or convenience.

The movable frame 1 is installed on the inner wall top joint of air inlet duct 16, inlays on the movable frame 1 and installs filter screen 2, is convenient for wash filter screen 2.

The working principle is as follows: in the use process of the high-temperature prevention device for the circuit breaker of the power distribution cabinet, the temperature sensor 11 can be fixed on the contact 8 through the alloy belt 12, the temperature data of the contact 8 of the circuit breaker is monitored and transmitted to the external control unit, meanwhile, the opening is designed above the power distribution cabinet, the heat dissipation fan is configured, when the temperature detected by the temperature sensor 11 is higher than the set upper temperature limit value, the heat dissipation fan above the power distribution cabinet is automatically started, the optimal heat dissipation effect is considered, the blowing direction of the fan is designed into 'one inlet and one outlet', the fan blows air into the power distribution cabinet body 6 through the blowing fan 17, and the air direction of the air exhausted from the power distribution cabinet body 6 through the exhaust fan 10 is designed, so that the optimal heat dissipation effect is ensured.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. The utility model provides a switch board circuit breaker prevents high temperature device, includes movable frame (1), exhaust duct (3), the cabinet body (6), alloy area (12) and air inlet duct (16), its characterized in that: the lower skin weld of the cabinet body (6) has supporting seat (9), the inside lower extreme equidistance of the cabinet body (6) is equipped with contact (8), it has sensor (11) to cross-under on alloy area (12), alloy area (12) winding is on contact (8), the both ends cross-under of alloy area (12) is on cotter plate (14), mutual contact respectively between sensor (11), cotter plate (14) and contact (8), exhaust duct (3), air inlet duct (16) have been seted up respectively on the inner wall top of the cabinet body (6), the inner wall lower extreme of exhaust duct (3) is equipped with exhaust fan (10), the inner wall upper end of air inlet duct (16) is equipped with blower fan (17).

2. The high temperature prevention device for the circuit breaker of the power distribution cabinet according to claim 1, characterized in that: the cabinet body (6) is rotatably provided with a cabinet door (4) through a hinge (7), and the cabinet door (4) is provided with a door handle (5) through a bolt.

3. The high temperature prevention device for the circuit breaker of the power distribution cabinet according to claim 1, characterized in that: the pin plate (14) is provided with a through hole matched with the alloy belt (12), and the alloy belt (12) is movably connected in the through hole in a penetrating way.

4. The high temperature prevention device for the circuit breaker of the power distribution cabinet according to claim 1, characterized in that: the lower surface welding of round pin board (14) has fixed block (15), threaded rod (13) are installed to the screw thread on fixed block (15), the other end of threaded rod (13) pierces through on alloy area (12), the round hole with threaded rod (13) looks adaptation is seted up to equidistant on alloy area (12).

5. The high temperature prevention device for the circuit breaker of the power distribution cabinet according to claim 1, characterized in that: the inner wall top joint of air inlet duct (16) installs movable frame (1), inlay on movable frame (1) and install filter screen (2).

6. The high temperature prevention device for the circuit breaker of the power distribution cabinet according to claim 1, characterized in that: the number of the supporting seats (9) is four, and the four supporting seats (9) are distributed on the lower surface of the cabinet body (6) in a rectangular array.