CN107919622B - Convection heat radiation structure of drawer type circuit breaker - Google Patents
Convection heat radiation structure of drawer type circuit breaker Download PDFInfo
- Publication number
- CN107919622B CN107919622B CN201610883324.3A CN201610883324A CN107919622B CN 107919622 B CN107919622 B CN 107919622B CN 201610883324 A CN201610883324 A CN 201610883324A CN 107919622 B CN107919622 B CN 107919622B
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- base
- bus bar
- circuit breaker
- type 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.)
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Links
- 230000005855 radiation Effects 0.000 title claims abstract description 10
- 230000017525 heat dissipation Effects 0.000 claims abstract description 48
- 238000005192 partition Methods 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Distribution Board (AREA)
Abstract
The utility model provides a drawer type circuit breaker's convection heat radiation structure, it includes base (1), its characterized in that: the bus bar (2) is externally arranged on the back of the base (1), a contact part (201) of the bus bar (2) stretches into an installation groove (101) of the base (1), the bus bar (3) is fixedly arranged on the bus bar (2) from the back, the bridge-shaped contact (4) is inserted into the bus bar (2) from the front of the installation groove (101) of the base (1), a heat dissipation groove (102) and a heat dissipation hole (103) are arranged at an inlet and outlet end of the base (1), and the heat dissipation groove (102) can enable the installation groove (101) to be communicated with the heat dissipation hole (103) of the base (1); the invention can make the internal temperature quickly convect outwards to dissipate heat; the partition plate is provided with radiating holes, so that part of heat of the bus of the drawer-type breaker body is directly conducted out through the partition plate and the base; the bus bar is provided with the heat dissipation groove and is externally arranged, so that the heat dissipation area and the air contact area of the bus bar are improved, and the heat dissipation effect of the drawer-type circuit breaker is enhanced.
Description
Technical Field
The invention belongs to the technical field of circuit breaker structure improvement, and particularly relates to a convection heat dissipation structure of a drawer type circuit breaker, which enhances the heat dissipation effect of the drawer type circuit breaker.
Background
The circuit breaker is classified into a high voltage circuit breaker and a low voltage circuit breaker according to its range of use. The low-voltage circuit breaker is also called an automatic switch, commonly called an air switch, and also refers to a low-voltage circuit breaker, and is an electric appliance which has the function of manual switching and can automatically perform voltage loss, undervoltage, overload and short-circuit protection. It can be used to distribute electric energy, not frequently start asynchronous motor, protect power supply circuit and motor, when they are in serious overload or short circuit and under-voltage, it can automatically cut off circuit, its function is equivalent to the combination of fuse switch and over-under-heating relay, etc. and after breaking fault current it generally does not need to change parts, so that it has been widely used.
The circuit breaker is various according to its performance requirement structure, and wherein draw-out frame circuit breaker is comparatively popular structure of using of low voltage electricity trade, and it mainly comprises circuit breaker body and drawer seat. The drawer type circuit breaker is widely applied, along with the development of solar power generation and wind power generation, the requirement on the temperature rise of the drawer type circuit breaker product is higher and higher, and the heat generated by the circuit breaker in the severe environment can not be met in time by the traditional circuit breaker product at present to be discharged from the circuit breaker body, so that the temperature rise of the circuit breaker is too fast and too high, and the reliability of the circuit breaker is reduced.
Disclosure of Invention
The invention aims at solving the technical defects that the temperature rise of the circuit breaker is too high and the reliability of the circuit breaker is reduced easily caused by the structure of the traditional drawer type circuit breaker, and provides a convection heat dissipation structure of the drawer type circuit breaker.
Technical proposal
In order to achieve the technical purpose, the invention relates to a convection heat dissipation structure of a drawer type circuit breaker, which comprises a base and is characterized in that: the bus bar is externally arranged on the back surface of the base, the contact part of the bus bar stretches into the mounting groove of the base, the bus bar is fixedly arranged on the bus bar from the back surface, the bridge-shaped contact is inserted into the bus bar from the front surface of the mounting groove of the base, the wire inlet and outlet end on the base is provided with a heat dissipation groove and a heat dissipation hole, and the heat dissipation groove can enable the mounting groove to be communicated with the heat dissipation hole on the base;
the first partition board and the second partition board are arranged on the front face of the base, and convection holes are formed in the positions, corresponding to the radiating holes, of the first partition board and the second partition board.
Further, the inner surface and the bottom surface of the busbar are respectively provided with an inner heat dissipation groove and a bottom heat dissipation groove.
Further, the bus bar is locked to the back of the base with screws and shims.
Further, the bus bar is locked to the bus bar with screws and shims from the back side.
Further, the first partition plate and the second partition plate are arranged on the base through the springs and the ejector rods, and can flexibly move up and down relatively through limiting grooves at two ends of the base.
Advantageous effects
According to the convection heat radiation structure of the drawer-type circuit breaker, the base adopts convection and diversion heat radiation design, and the base is provided with the upper and lower heat radiation grooves, the front and rear heat radiation holes, so that the internal temperature can quickly and outwards perform convection heat radiation; the partition plate is provided with radiating holes, so that part of heat of the bus of the drawer-type breaker body is directly conducted out through the partition plate and the base; the bus bar is provided with the heat dissipation groove and is externally arranged, so that the heat dissipation area and the air contact area of the bus bar are improved, and the heat dissipation effect of the drawer-type circuit breaker is enhanced.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention.
Fig. 2 is a schematic exploded view of an embodiment of the present invention.
Fig. 3 is a schematic diagram of a bridge contact installation in an embodiment of the invention.
FIG. 4 is a diagram of a busbar product according to an embodiment of the present invention.
FIG. 5 is a diagram of the bottom surface of a bus bar in accordance with an embodiment of the present invention.
FIG. 6 is a diagram showing the positions of the heat dissipation holes and the heat dissipation grooves in the embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Examples
As shown in fig. 1 to 6, a convection heat dissipation structure of a drawer type circuit breaker comprises a base 1, a bus bar 2 of the convection heat dissipation structure is locked on the back surface of the base 1 by screws and gaskets, a contact part 201 of the bus bar 2 extends into a mounting groove 101 of the base 1, a bus bar 3 is locked on the bus bar 2 by screws and gaskets from the back surface, a bridge-shaped contact 4 is inserted and mounted on the bus bar 2 from the front surface of the mounting groove 101 of the base 1, and an inner heat dissipation groove 203 and a bottom heat dissipation groove 202 are respectively arranged on the inner surface and the bottom surface of the bus bar 2. The inlet and outlet end of the base 1 is provided with a heat dissipation groove 102 and a heat dissipation hole 103, and the heat dissipation groove 102 can enable the mounting groove 101 to be communicated with the heat dissipation hole 103 on the base 1;
the first partition board 5 and the second partition board 6 are arranged on the front surface of the base 1 through springs 7 and ejector rods 8, and can flexibly move up and down relative to each other through limit grooves at two ends of the base 1. Convection holes 501,601 are provided in the first partition 5 and the second partition 6 at positions corresponding to the heat radiation holes 103.
In the invention, the base adopts convection and diversion heat dissipation design, and the base is added with upper, lower, front and rear heat dissipation grooves and heat dissipation holes, so that the internal temperature can rapidly and outwards perform convection heat dissipation; the partition plate is provided with radiating holes, so that part of heat of the bus of the drawer-type breaker body is directly conducted out through the partition plate and the base; the bus bar is provided with the heat dissipation groove and is externally arranged, so that the heat dissipation area and the air contact area of the bus bar are improved, and the heat dissipation effect of the drawer-type circuit breaker is enhanced.
The structures, proportions, sizes, etc. shown in the drawings of the present embodiment are for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the invention, so that any structural modifications, proportional changes, or size adjustment should not be construed as essential to the invention, but should still fall within the scope of the invention as defined by the appended claims. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", "clockwise", "anticlockwise" and the like are used in the present specification for convenience of description, and are not intended to limit the scope of the present invention, and the relative relation changes or modifications thereof are considered to be within the scope of the present invention without substantial modification of the technical content.
Claims (5)
1. The utility model provides a drawer type circuit breaker's convection heat radiation structure, it includes base (1), its characterized in that: the bus bar (2) is externally arranged on the back of the base (1), a contact part (201) of the bus bar (2) stretches into an installation groove (101) of the base (1), the bus bar (3) is fixedly arranged on the bus bar (2) from the back, a bridge-shaped contact (4) is inserted into the bus bar (2) from the front of the installation groove (101) of the base (1), a heat dissipation groove (102) and a heat dissipation hole (103) are arranged at an inlet and outlet end of the base (1), the heat dissipation hole (103) is arranged between the two installation grooves (101) which are arranged up and down in the height direction, and the heat dissipation groove (102) can enable the installation groove (101) to be communicated with the heat dissipation hole (103) on the base (1);
the first partition board (5) and the second partition board (6) are arranged on the front face of the base (1), and convection holes (501, 601) are formed in the positions, corresponding to the radiating holes (103), of the first partition board (5) and the second partition board (6).
2. The convection heat dissipation structure of a drawer type circuit breaker as set forth in claim 1, wherein: the inner surface and the bottom surface of the busbar (2) are respectively provided with an inner heat dissipation groove (203) and a bottom heat dissipation groove (202).
3. The convection heat dissipation structure of a drawer type circuit breaker as set forth in claim 1, wherein: the busbar (2) is locked on the back of the base (1) by screws and gaskets.
4. The convection heat dissipation structure of a drawer type circuit breaker as set forth in claim 1, wherein: the bus bar (3) is locked on the bus bar (2) from the back by screws and gaskets.
5. The convection heat dissipation structure of a drawer type circuit breaker as set forth in claim 1, wherein: the first partition plate (5) and the second partition plate (6) are arranged on the base (1) through springs (7) and ejector rods (8), and can flexibly move up and down relatively through limit grooves at two ends of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610883324.3A CN107919622B (en) | 2016-10-10 | 2016-10-10 | Convection heat radiation structure of drawer type circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610883324.3A CN107919622B (en) | 2016-10-10 | 2016-10-10 | Convection heat radiation structure of drawer type circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107919622A CN107919622A (en) | 2018-04-17 |
| CN107919622B true CN107919622B (en) | 2024-03-19 |
Family
ID=61892539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610883324.3A Active CN107919622B (en) | 2016-10-10 | 2016-10-10 | Convection heat radiation structure of drawer type circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107919622B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1427079A1 (en) * | 2002-12-03 | 2004-06-09 | Siemens Aktiengesellschaft | Slide-in frame and withdrawable circuit-breaker |
| CN102403602A (en) * | 2010-09-13 | 2012-04-04 | 凡甲电子(苏州)有限公司 | Socket power supply connector, a plug power supply connector and component of socket power supply connector and plug power supply connector |
| CN202363796U (en) * | 2011-12-16 | 2012-08-01 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker drawer seat with heat radiation effect |
| CN203787833U (en) * | 2013-11-19 | 2014-08-20 | 厦门智能达电控有限公司 | AC low-voltage drawer type switch cabinet |
| CN205140891U (en) * | 2015-11-09 | 2016-04-06 | 浙江正泰电器股份有限公司 | Universal type circuit breaker |
| CN206272110U (en) * | 2016-10-10 | 2017-06-20 | 上海良信电器股份有限公司 | A kind of heat loss through convection structure-improved of open frame circuit breaker |
-
2016
- 2016-10-10 CN CN201610883324.3A patent/CN107919622B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1427079A1 (en) * | 2002-12-03 | 2004-06-09 | Siemens Aktiengesellschaft | Slide-in frame and withdrawable circuit-breaker |
| CN102403602A (en) * | 2010-09-13 | 2012-04-04 | 凡甲电子(苏州)有限公司 | Socket power supply connector, a plug power supply connector and component of socket power supply connector and plug power supply connector |
| CN202363796U (en) * | 2011-12-16 | 2012-08-01 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker drawer seat with heat radiation effect |
| CN203787833U (en) * | 2013-11-19 | 2014-08-20 | 厦门智能达电控有限公司 | AC low-voltage drawer type switch cabinet |
| CN205140891U (en) * | 2015-11-09 | 2016-04-06 | 浙江正泰电器股份有限公司 | Universal type circuit breaker |
| CN206272110U (en) * | 2016-10-10 | 2017-06-20 | 上海良信电器股份有限公司 | A kind of heat loss through convection structure-improved of open frame circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107919622A (en) | 2018-04-17 |
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