CN218182148U - Universal circuit breaker temperature rise improvement structure - Google Patents

Universal circuit breaker temperature rise improvement structure Download PDF

Info

Publication number
CN218182148U
CN218182148U CN202222501802.3U CN202222501802U CN218182148U CN 218182148 U CN218182148 U CN 218182148U CN 202222501802 U CN202222501802 U CN 202222501802U CN 218182148 U CN218182148 U CN 218182148U
Authority
CN
China
Prior art keywords
heat dissipation
circuit breaker
temperature rise
dissipation channel
universal circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202222501802.3U
Other languages
Chinese (zh)
Inventor
陈咸
李冰燕
方占云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Switchgear Jiangsu Co ltd
Original Assignee
Westinghouse Switchgear Jiangsu Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westinghouse Switchgear Jiangsu Co ltd filed Critical Westinghouse Switchgear Jiangsu Co ltd
Priority to CN202222501802.3U priority Critical patent/CN218182148U/en
Application granted granted Critical
Publication of CN218182148U publication Critical patent/CN218182148U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The utility model provides a structure is improved to universal circuit breaker temperature rise, the through-hole has been seted up to universal circuit breaker's base bottom, the structure is improved to the temperature rise includes radiator unit, radiator unit includes: the center of the heat dissipation plate is provided with a heat dissipation channel which is fixedly arranged at the bottom of the base; the elastic flaps are arranged at the top end of the heat dissipation plate and are symmetrically arranged with the center of the heat dissipation channel, the roots of the elastic flaps are connected with the outer edge of the heat dissipation channel, and in an initial state, the outer ends of the elastic flaps extend towards the center of the heat dissipation channel and tilt up to open the heat dissipation channel; the plurality of elastic flaps can deflect towards the horizontal direction of the heat dissipation plate under the action of gas stamping so as to close the heat dissipation channel. The utility model discloses an effectively improve the inside temperature rise phenomenon of current circuit breaker, guarantee the normal work of product and improve product property ability and mechanical life.

Description

Universal circuit breaker temperature rise improvement structure
Technical Field
The utility model relates to an universal circuit breaker technical field, more specifically relate to a structure is improved to universal circuit breaker temperature rise.
Background
The universal circuit breaker is an important control element in a power system and mainly plays a role in protecting overload, short circuit and the like. In order to reliably play the protection role, the universal circuit breaker has a plurality of parameter indexes, wherein the temperature rise is an important index, but because the circuit breaker has N poles, each pole is an independent chamber consisting of a base and a bottom plate, only an air flow through hole is arranged at an inlet end, an outlet end is closed, and the volume, other structures and other factors of the universal circuit breaker influence, the temperature rise of the universal circuit breaker is always a design difficulty. The temperature rise refers to the performance that the surface temperature and the internal temperature of a product are gradually increased due to heat dissipation, the temperature rise of the surrounding environment and the like when the product operates. If the temperature rises, the product can be because work under the high temperature condition for a long time, the ageing of inside control panel and circuit connector is accelerated, makes mechanical part accelerated wear and increase the fault rate, reduces complete machine life. Therefore, the temperature rise in the universal circuit breaker is controlled within the range as much as possible, so that the normal work of the product is ensured, the product performance is improved, and the service life of the machine is prolonged.
In view of the above, there is a need to improve the temperature rise improvement structure in the prior art to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at disclosing an universal circuit breaker temperature rise and improving the structure, effectively improve the inside temperature rise phenomenon of current circuit breaker, guarantee the normal work of product and improve and produce property ability and mechanical service life.
In order to achieve the above object, the utility model provides a structure is improved to universal circuit breaker temperature rise, the through-hole has been seted up to universal circuit breaker's pedestal bottom, universal circuit breaker can produce the orientation when dividing disconnected the gaseous punching press of pedestal bottom direction, the structure is improved to the temperature rise includes radiator unit, radiator unit includes:
the heat dissipation plate is fixedly arranged at the bottom in the base, a heat dissipation channel is formed in the center of the heat dissipation plate, and the heat dissipation channel is communicated with the outside of the base through the through hole;
the elastic petals are arranged at the top end of the heat dissipation plate and are symmetrically arranged with the center of the heat dissipation channel, the roots of the elastic petals are connected with the outer edge of the heat dissipation channel, and in an initial state, the outer ends of the elastic petals extend towards the center of the heat dissipation channel and tilt so as to open the heat dissipation channel;
the plurality of elastic flaps can deflect towards the horizontal direction of the heat dissipation plate under the action of gas stamping to close the heat dissipation channel; the tilting angle of the elastic flap is within 60 degrees.
As a further improvement, the heat dissipation assembly further comprises a substrate, the substrate is arranged at the bottom of the heat dissipation plate, the bottom of the substrate is fixedly connected with the bottom wall in the base, and is located a plurality of air vents are formed below the heat dissipation channel.
As a further improvement of the present invention, the heat dissipation assembly further comprises a heat dissipation seat, wherein the heat dissipation seat is of a cylindrical cavity structure and has an upper-lower double-layer structure, the upper-layer radius of the heat dissipation seat is larger than the lower-layer radius, a step surface is formed between the outer walls of the upper layer and the lower layer of the heat dissipation seat, and the lower layer of the heat dissipation seat can be movably inserted into the through hole and forms a support for the upper layer through the step surface;
the heating panel is the discoid structure that has thickness, and the level arrange in the cavity of radiating seat, a plurality of bleeder vents have been seted up to the bottom of radiating seat.
As a further improvement of the present invention, the outer wall of the heat dissipating plate and the inner wall of the heat dissipating seat are fixed and attached to each other by gluing or screws.
As a further improvement of the utility model, the elastic petals are made of rubber materials.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) A temperature rise improving structure of a universal circuit breaker has the advantages of simple structure, convenient installation and low cost, and does not influence the structural design and the volume of the circuit breaker; by utilizing the elastic bending performance of the elastic petals, under the impact of high-temperature and high-pressure gas generated in the circuit breaker segmentation process, the elastic petals are in bending fit to close the heat dissipation channel, so that the high-temperature and high-pressure gas is prevented from leaking from the outlet end, and the segmentation performance of the circuit breaker is not affected; when high-temperature and high-pressure gas is exhausted from the cavity through the wire inlet end, the normal atmospheric pressure value is restored in the cavity, the elastic flap returns to the initial tilting state due to the elastic deformation of the elastic flap, the heat dissipation channel is opened, air circulation is formed in the base, and the overall performance and the service life of the circuit breaker are improved;
(2) The structure of radiating seat is big-end-up, on the one hand through the step face that forms between upper strata and the lower floor, easy to assemble, and the step face is laminated mutually with the diapire of base, plays stable supporting role to the radiating seat, and on the other hand, the cylindric cavity structure of radiating seat, heating panel and elasticity lamella arrange in the cavity of radiating seat, cylindric cavity can play the effect of gathering pressure, guarantees the closed effect of elasticity lamella, through the height of adjustment heating panel in the radiating seat cavity, can adjust the closed efficiency of elasticity lamella.
Drawings
Fig. 1 is a schematic structural view of a heat dissipation assembly in a temperature rise improvement structure of a universal circuit breaker of the present invention;
fig. 2 is a schematic diagram of a substrate structure in a temperature rise improving structure of a universal circuit breaker of the present invention;
fig. 3 is a schematic structural view of a heat sink in a temperature rise improving structure of a universal circuit breaker according to the present invention;
fig. 4 is a schematic sectional view of a heat sink in a temperature rise improvement structure of a conventional circuit breaker according to the present invention;
fig. 5 is a schematic structural view of a conventional circuit breaker temperature rise improving structure according to a second embodiment of the present invention, and illustrates an assembly position relationship between a heat dissipation assembly and a heat dissipation seat;
FIG. 6 is a schematic view of the heat sink assembly shown in FIG. 5 with the heat dissipation channel closed;
fig. 7 is a schematic view of an installation structure of a conventional circuit breaker temperature rise improving structure according to a first embodiment of the present invention;
fig. 8 is a schematic view of the installation structure of the conventional circuit breaker temperature rise improving structure in the second embodiment.
In the figure: 1. a heat dissipating component; 2. a base; 10. a heat dissipation base; 11. a heat dissipation plate; 12. an elastic flap; 13. a substrate; 100. air holes are formed; 101. an upper layer; 102. a lower layer; 110. a heat dissipation channel; 130. a vent hole; 1012. a step surface.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Please refer to fig. 1 to fig. 6, which illustrate a specific embodiment of a temperature rise improving structure of a universal circuit breaker according to the present invention.
The first embodiment is as follows:
referring to fig. 1, 2 and 7, in a temperature rise improving structure of a universal circuit breaker, a through hole is formed at the bottom of a base 2 of the universal circuit breaker and is located right below a heat dissipation channel 110; conventional circuit breaker can produce the gas punching press towards 2 bottom directions of base when breaking, and as shown with reference to fig. 1, the structure is improved to the temperature rise includes radiator unit 1, and radiator unit 1 includes: the heat dissipation plate 11 is fixedly arranged at the bottom in the base 2, a heat dissipation channel 110 is formed in the center of the heat dissipation plate, and the heat dissipation channel 110 is communicated with the outside of the base 2 through a through hole; the elastic petals 12 are made of rubber materials, the elastic petals 12 are arranged at the top end of the heat dissipation plate 11 and are symmetrically arranged at the center of the heat dissipation channel 110, the root parts of the elastic petals 12 are connected with the outer edge of the heat dissipation channel 110, and in an initial state, the outer ends of the elastic petals 12 extend towards the center of the heat dissipation channel 110 and tilt to open the heat dissipation channel 110; the plurality of elastic flaps 12 can deflect towards the horizontal direction of the heat dissipation plate 11 under the action of gas stamping to close the heat dissipation channel 110; the tilt angle of the resilient flaps 12 is within 60 °.
Referring to fig. 2, the heat dissipating assembly 1 further includes a substrate 13, the substrate 13 is disposed at the bottom of the heat dissipating plate 12, the bottom of the substrate 13 is fixedly connected to the bottom wall of the base 2, the fixing manner is adhesive or screw-fixed, and a plurality of air holes 130 are disposed below the heat dissipating channel 110.
It should be understood that, when the universal circuit breaker is in normal use, external cold air enters each pole cavity chamber in the circuit breaker through the through holes and the heat dissipation channels 110 in sequence to form air convection, and accelerate hot air to be discharged out of each pole cavity chamber of the circuit breaker; when the short-circuit fault occurs in the circuit breaker, the tilted elastic flap 12 is closed under the action of internal high-pressure gas, the elastic flap 12 is attached to the substrate 13 and seals the through hole, so that high-temperature high-pressure gas generated in the breaking process cannot leak from the outlet end of the cavity, and the breaking performance of the circuit breaker is not affected.
Example two:
referring to fig. 3-6 and 8, the heat dissipation assembly 1 further includes a heat dissipation base 10, the heat dissipation base 10 is a cylindrical cavity structure and has an upper-lower double-layer structure, the radius of the upper layer 101 of the heat dissipation base 10 is greater than the radius of the lower layer 102, a step surface 1012 is formed between the outer walls of the upper layer 101 and the lower layer 102 of the heat dissipation base 10, the lower layer 102 of the heat dissipation base 10 can be movably inserted into the through hole, the inner wall of the through hole is tightly attached to the outer wall of the lower layer 102 of the heat dissipation base 10, and the step surface 1012 supports the upper layer 101 of the heat dissipation base 10 on the bottom wall of the base 2;
the heat sink 11 is a disk-shaped structure with a thickness, and is horizontally disposed in the cavity of the heat sink 10, and a plurality of air holes 100 are opened at the bottom of the heat sink 10. The outer wall of the heat dissipation plate 11 is tightly fixed and attached to the inner wall of the heat dissipation base 10 by gluing or screws.
For other technical features, reference is made to the first embodiment, which is not described herein again.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides a structure is improved to universal circuit breaker temperature rise, the through-hole has been seted up to universal circuit breaker's base bottom, universal circuit breaker can produce the orientation when dividing the gas punching press of base bottom direction, a serial communication port, the structure is improved to the temperature rise includes radiator unit, radiator unit includes:
the heat dissipation plate is fixedly arranged at the bottom in the base, a heat dissipation channel is formed in the center of the heat dissipation plate, and the heat dissipation channel is communicated with the outside of the base through the through hole;
the elastic petals are arranged at the top end of the heat dissipation plate and are symmetrically arranged with the center of the heat dissipation channel, the roots of the elastic petals are connected with the outer edge of the heat dissipation channel, and in an initial state, the outer ends of the elastic petals extend towards the center of the heat dissipation channel and tilt so as to open the heat dissipation channel;
the plurality of elastic flaps can deflect towards the horizontal direction of the heat dissipation plate under the action of gas stamping to close the heat dissipation channel; the tilting angle of the elastic flap is within 60 degrees.
2. The temperature rise improvement structure for the universal circuit breaker according to claim 1, wherein the heat dissipation assembly further comprises a substrate, the substrate is disposed at the bottom of the heat dissipation plate, the bottom of the substrate is fixedly connected with the bottom wall of the base, and a plurality of vent holes are formed below the heat dissipation channel.
3. The temperature rise improvement structure of the universal circuit breaker according to claim 1, wherein the heat dissipation assembly further comprises a heat dissipation seat, the heat dissipation seat is of a cylindrical cavity structure and has an upper-layer structure and a lower-layer structure, the radius of the upper layer of the heat dissipation seat is larger than that of the lower layer, a step surface is formed between the outer walls of the upper layer and the lower layer of the heat dissipation seat, and the lower layer of the heat dissipation seat can be movably inserted into the through hole and forms a support for the upper layer through the step surface;
the heating panel is the discoid structure that has thickness, and the level arrange in the cavity of radiating seat, a plurality of bleeder vents have been seted up to the bottom of radiating seat.
4. The temperature rise improvement structure of the universal circuit breaker as claimed in claim 3, wherein the outer wall of the heat dissipation plate and the inner wall of the heat dissipation seat are fixedly and hermetically attached by gluing or screws.
5. The temperature-rise improving structure of the universal circuit breaker as claimed in claim 1, wherein the resilient flaps are made of rubber material.
CN202222501802.3U 2022-09-21 2022-09-21 Universal circuit breaker temperature rise improvement structure Active CN218182148U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222501802.3U CN218182148U (en) 2022-09-21 2022-09-21 Universal circuit breaker temperature rise improvement structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222501802.3U CN218182148U (en) 2022-09-21 2022-09-21 Universal circuit breaker temperature rise improvement structure

Publications (1)

Publication Number Publication Date
CN218182148U true CN218182148U (en) 2022-12-30

Family

ID=84625481

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222501802.3U Active CN218182148U (en) 2022-09-21 2022-09-21 Universal circuit breaker temperature rise improvement structure

Country Status (1)

Country Link
CN (1) CN218182148U (en)

Similar Documents

Publication Publication Date Title
CN103458643B (en) The off-premises station of electric-controlled box and air conditioner
CN106711541B (en) Compact forced air cooling power battery system assembly of electric formula car
CN106931541B (en) Outdoor unit of air conditioner
CN218182148U (en) Universal circuit breaker temperature rise improvement structure
CN208939115U (en) A kind of lithium battery of Omnibearing even heat dissipation
AU2007241948A1 (en) Constant-temperature burst-isolation cabinet
CN201656527U (en) UPS device case with excellent heat dissipation performance
CN217848738U (en) Closed insulation distribution box
CN212485820U (en) Heat dissipation switch board
CN207743613U (en) A kind of high current metal-enclosed switchgear handcart cell structure
CN210326534U (en) Equipment main body control electric cabinet
CN207910941U (en) A kind of interchanger explosion-resistant enclosure
CN213341145U (en) Multiloop subregion heat dissipation integrated automatically controlled cabinet
CN210608074U (en) A accuse electric cabinet for building electric energy supply
CN209804745U (en) Novel lithium battery box
CN103049060A (en) Server
CN218565502U (en) Electric ceramic stove
CN116581426B (en) Can initiatively dispel heat easily control by temperature change energy storage lithium cell
CN210399234U (en) Environment-friendly pressure-resistant and shock-resistant switch cover of air-conditioning compressor
CN215579893U (en) Electrical equipment protection device
CN210671033U (en) High-efficient radiating cell-phone signal shield ware
CN214256640U (en) Assembly structure for improving insulating property of electric heater
CN218299659U (en) Novel low-voltage circuit breaker with data detection function
CN219226381U (en) A heat dissipation shell for lithium cell group
CN210577269U (en) Low-voltage uncompensated device with ventilation device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant