CN112821206A - Novel closed bus structure of distribution electrical appliance - Google Patents
Novel closed bus structure of distribution electrical appliance Download PDFInfo
- Publication number
- CN112821206A CN112821206A CN202110176784.3A CN202110176784A CN112821206A CN 112821206 A CN112821206 A CN 112821206A CN 202110176784 A CN202110176784 A CN 202110176784A CN 112821206 A CN112821206 A CN 112821206A
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- CN
- China
- Prior art keywords
- circuit breaker
- breaker body
- partition
- closed bus
- novel closed
- 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.)
- Pending
Links
- 238000005192 partition Methods 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 6
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 230000003044 adaptive effect Effects 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- 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
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
Abstract
The invention provides a novel closed bus structure of a distribution electrical appliance, which comprises: the circuit breaker comprises a circuit breaker body, wherein a wiring side of the circuit breaker body is provided with a plurality of first partition plates which are distributed at intervals along the height direction of the circuit breaker body, and a first slot which is arranged between every two adjacent first partition plates and used for inserting a conductive bus bar; the cover shell is detachably installed on the circuit breaker body, and the cover shell and the circuit breaker body enclose to form an installation space suitable for installing the conductive busbar. The housing can shield the conductive busbar, so that the mistaken touch is avoided, and the safety and reliability are improved; in addition, the housing and the breaker body enclose to form an installation space suitable for installing the conductive busbar, namely the housing only needs to block the front side of the conductive busbar, and the rear side is shielded by the breaker body, so that the material consumption of the housing is less, and the production cost is reduced.
Description
Technical Field
The invention relates to the technical field of molded case circuit breakers, in particular to a novel closed bus structure of a distribution electrical appliance.
Background
The molded case circuit breaker is one of circuit breakers, can automatically cut off current after the current exceeds a trip setting, has the protection functions of overload long delay, short circuit instantaneous action and the like, and can be matched with module units such as a leakage device, a measuring mechanism, an electric operating mechanism and the like for use.
Be equipped with a plurality of electrically conductive female rows that link to each other with moulded case circuit breaker binding post in the existing cubical switchboard, because electrically conductive female arranging is the exposed state, to the maintainer, there is the risk of mistake touching electrically conductive copper bar.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the conductive busbar in the prior art is in a naked state and is easy to touch by mistake, thereby providing a novel closed busbar structure of the distribution electrical appliance with high safety and reliability.
Therefore, the invention provides a novel closed bus structure of a power distribution apparatus, which comprises a circuit breaker body and a housing, wherein the wiring side of the circuit breaker body is provided with a plurality of first partition plates which are distributed at intervals along the height direction of the circuit breaker body, and a first slot which is arranged between every two adjacent first partition plates and is used for inserting a conductive bus; the cover shell is detachably installed on the circuit breaker body, and the cover shell and the circuit breaker body enclose to form an installation space suitable for installing the conductive busbar.
The housing is fixedly connected with the circuit breaker body through a hook structure or a clamping structure.
The housing includes along vertical setting, be suitable for and shelter from a plurality of electrically conductive female mainboard of arranging to and divide and locate the mounting panel of both sides about the mainboard, two the mounting panel is through couple structure or joint structure and corresponding first baffle assembly.
The couple structure is including locating the first couple of first baffle lateral surface, and locate mounting panel medial surface with the second couple that first couple hook is connected.
The clamping structure comprises a first partition plate, a first clamping groove and a first clamping block, wherein the first clamping groove is formed in one side of the mounting plate, the first clamping block is arranged in the other side of the mounting plate, and the first clamping block is connected with the first clamping groove in an adaptive mode.
The inner side surface of the main board is provided with a plurality of second partition plates which extend towards the direction of the breaker body and are abutted against the corresponding first partition plates.
The second partition board is assembled with the first partition board through an inserting structure, and the inserting structure comprises a second inserting groove formed in the outer end face of the first partition board and an inserting block arranged on the second partition board and connected with the second inserting groove in an inserting mode in an adaptive mode.
The mainboard respectively with the second baffle with the junction of mounting panel is equipped with many strengthening ribs, the strengthening rib follows the junction extends to adjacent first baffle sets up.
A plurality of heat dissipation holes are formed in the main board.
The housing is connected through a plurality of sub-housing concatenation, adjacent two the sub-housing passes through the assembly of joint structure, the joint structure is including locating adjacent two divide the second draw-in groove of housing party to and locate the other party with second draw-in groove adaptation connection's second fixture block.
Divide the housing to include the housing main part, and the shaping in the flange of housing main part one side, divide the housing the flange extends to adjacent divide the marginal lateral surface of housing main part, the medial surface of flange is equipped with the second draw-in groove, the lateral surface at housing main part edge is equipped with the second fixture block.
The housings are integrally connected.
The technical scheme of the invention has the following advantages:
1. the novel closed bus structure of the distribution electrical appliance comprises a breaker body and a cover shell which is detachably arranged on the breaker body and is suitable for shielding a conductive bus, so that mistaken touch is avoided, and the safety and reliability are improved; in addition, the housing and the breaker body enclose to form an installation space suitable for installing the conductive busbar, namely the housing only needs to block the front side of the conductive busbar, and the rear side is shielded by the breaker body, so that the material consumption of the housing is less, and the production cost is reduced.
2. According to the novel closed bus structure of the distribution electrical appliance, the housing is fixedly connected with the breaker body through the hook structure or the clamping structure, so that the assembly is realized without screws, the structure is simple, the disassembly is convenient, and the disassembly and assembly efficiency is further improved.
3. According to the novel closed bus structure of the distribution electrical appliance, the housing comprises the main board which is vertically arranged and is suitable for shielding the plurality of conductive busbars and the mounting plates which are respectively arranged on the upper side and the lower side of the main board, the main board and the two mounting plates are enclosed into a U shape, the U-shaped housing and the breaker body are assembled to form a mounting space in which the conductive busbars with larger size can be mounted, and the application range is widened.
4. According to the novel closed bus structure of the distribution electrical appliance, the plurality of second partition plates which extend towards the direction of the breaker body and are abutted against the corresponding first partition plates are arranged on the inner side surface of the main board, so that a partition is formed between two adjacent upper and lower conductive bus bars, and the safety and reliability are improved.
5. According to the novel closed bus structure of the distribution electrical appliance, the second partition plate is assembled with the first partition plate through the inserting structure, the inserting structure comprises the second inserting groove formed in the outer end face of the first partition plate, and the inserting block which is arranged on the second partition plate and is inserted into the second inserting groove in a matched mode, so that a gap between the first partition plate and the second partition plate is avoided, the creepage distance between two adjacent conductive copper bars is increased, and the safety and reliability are further improved.
6. According to the novel closed bus structure of the distribution electrical appliance, the housings are spliced and connected through the plurality of sub-housings, two adjacent sub-housings are assembled through the clamping structure, and the clamping structure comprises a second clamping groove arranged on one side of the two adjacent sub-housings and a second clamping block arranged on the other side and in adaptive connection with the second clamping groove. Therefore, the shells with different specifications and sizes are not required to be produced aiming at the molded case circuit breakers with different shell frame grades, the inventory cost is reduced, and the requirements of different customers are met.
7. The invention provides a novel closed bus structure of a distribution electrical appliance, wherein each sub-housing comprises a housing main body and a flange formed on one side of the housing main body, the flange of each sub-housing extends to the outer side surface of the edge of the adjacent sub-housing main body, the inner side surface of each flange is provided with a second clamping groove, and the outer side surface of the edge of the housing main body is provided with a second clamping block. During assembly, only the flanges of two adjacent sub-housings are connected with the housing main body in an opposite insertion manner, the assembly is rapid and convenient, no gap exists between the two sub-housings, and the safety and reliability are improved
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is an assembly schematic diagram of a novel closed bus structure of a distribution apparatus and the distribution apparatus according to the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is an enlarged schematic view of portion B of FIG. 1;
FIG. 4 is a schematic illustration of the splicing of multiple sub-housings;
FIG. 5 is a cross-sectional view of FIG. 4;
FIG. 6 is a first perspective view of a single sub-enclosure;
fig. 7 is a second perspective view of a single sub-enclosure.
Description of reference numerals: 1. a circuit breaker body; 11. a first separator; 12. a first slot; 13. a first hook; 14. a second slot; 2. a conductive busbar; 3. a housing; 31. a housing main body; 32. a flange; 33. a second card slot; 34. a second fixture block; 4. a main board; 41. heat dissipation holes; 5. mounting a plate; 51. a second hook; 6. a second separator; 61. inserting a block; 7. reinforcing ribs; 8. and a conductive member.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Examples
The present embodiment provides a closed bus structure of a power distribution apparatus of a type, as shown in fig. 1, including a circuit breaker body 1 and a case 3.
The circuit breaker body 1, its wiring side has along circuit breaker body 1 direction of height interval distribution's four first baffles 11 to and locate adjacent two the female first slot 12 of inserting of 2 is arranged in supplying to electrically conduct between the first baffle 11, wherein, as shown in fig. 2, the lateral surface of the first baffle 11 that is located top and bottom is equipped with first couple 13, and the outer terminal surface of first baffle 11 still is equipped with second slot 14. The wiring side of circuit breaker body 1 has the electrically conductive female arranging 2 of connection and the electrically conductive 8 of internal circuit, and in this embodiment, electrically conductive 8 is vertical laminating setting with electrically conductive female arranging 2, and both pass through bolt fixed connection.
The cover 3 is detachably mounted on the circuit breaker body 1, and the cover 3 and the circuit breaker body 1 enclose to form a mounting space suitable for mounting the conductive busbar 2. Housing 3 includes along vertical setting, is suitable for to shelter from a plurality of the mainboard 4 of female 2 of electrically conductive arranging to and the branch is located the mounting panel 5 of both sides about mainboard 4, two mounting panel 5 through couple structure and corresponding 11 assemblies of first baffle, the medial surface of mounting panel 5 be equipped with the second couple 51 that 13 hook connections of first couple.
As shown in fig. 3 and 4, a plurality of second partition plates 6 extending towards the direction of the circuit breaker body 1 and abutting against the corresponding first partition plates 11 are disposed on the inner side surface of the main board 4, the second partition plates 6 are assembled with the first partition plates 11 through an insertion structure, and the insertion structure includes a second insertion slot 14 disposed on the outer end surface of the first partition plate 11, and an insertion block 61 disposed on the second partition plate 6 and adapted to the second insertion slot 14. The mainboard 4 respectively with the second baffle 6 with the junction of mounting panel 5 is equipped with many strengthening ribs 7, strengthening rib 7 follows the junction extends to adjacent first baffle 11 sets up. A plurality of heat dissipation holes 41 are formed in the main board 4.
The housing 3 is connected by splicing a plurality of sub-housings, as shown in fig. 5-7, two adjacent sub-housings are assembled by a clamping structure, and the clamping structure comprises two adjacent second clamping grooves 33 on one side of the sub-housings and second clamping blocks 34 which are arranged on the other side and are in adaptive connection with the second clamping grooves 33. The sub-cover shell comprises a cover shell main body 31 and a flange 32 formed on one side of the cover shell main body 31, the flange 32 of the sub-cover shell extends to the outer side face of the edge of the adjacent sub-cover shell main body 31, the inner side face of the flange 32 is provided with the second clamping groove 33, and the outer side face of the edge of the cover shell main body 31 is provided with the second clamping block 34.
As an alternative embodiment, two mounting plates 5 are assembled with the corresponding first partition 11 by a clamping structure, wherein the clamping structure includes a first clamping groove (not shown) provided on one of the first partition 11 and the mounting plate 5, and a first clamping block (not shown) provided on the other of the first partition and the mounting plate and adapted to be clamped with the first clamping groove.
As an alternative embodiment, the entire housing 3 is integrally formed.
The novel closed bus structure of the distribution electrical appliance comprises a breaker body 1 and a housing 3 which is detachably arranged on the breaker body 1 and is suitable for shielding a conductive bus bar, so that mistaken touch is avoided, and the safety and reliability are improved; in addition, the housing 3 and the circuit breaker body 1 enclose to form an installation space suitable for installing the conductive busbar 2, namely the housing 3 only needs to block the front side of the conductive busbar 2, and the rear side is shielded by the circuit breaker body 1, so that the material consumption of the housing is less, and the production cost is reduced.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (12)
1. The utility model provides a novel closed bus structure of distribution apparatus which characterized in that includes:
the circuit breaker comprises a circuit breaker body (1), wherein a wiring side of the circuit breaker body (1) is provided with a plurality of first partition plates (11) which are distributed at intervals along the height direction of the circuit breaker body (1), and first slots (12) which are arranged between every two adjacent first partition plates (11) and used for inserting conductive busbars (2);
the circuit breaker comprises a shell (3) which is detachably installed on the circuit breaker body (1), wherein the shell (3) and the circuit breaker body (1) are enclosed to form an installation space suitable for installing the conductive busbar (2).
2. The novel closed bus bar structure of distribution electrical equipment according to claim 1, wherein the cover (3) is fixedly connected to the breaker body (1) by a hook structure or a snap structure.
3. The novel closed bus structure of the distribution electrical appliance according to claim 2, wherein the housing (3) comprises a main board (4) vertically arranged and adapted to shield the plurality of conductive busbars (2), and mounting plates (5) respectively disposed on the upper and lower sides of the main board (4), and the two mounting plates (5) are assembled with the corresponding first partition plates (11) through a hook structure or a clamping structure.
4. The novel closed bus bar structure of distribution electrical equipment according to claim 3, wherein the hook structure comprises a first hook (13) disposed on the outer side of the first partition (11), and a second hook (51) disposed on the inner side of the mounting plate (5) and connected to the first hook (13).
5. The novel closed bus bar structure of the distribution electrical appliance according to claim 3, wherein the clamping structure comprises a first clamping groove formed in one of the first partition plate (11) and the mounting plate (5), and a first clamping block formed in the other one of the first partition plate and the mounting plate and adapted to be clamped with the first clamping groove.
6. The new closed bus bar structure of distribution electrical equipment according to any one of claims 3-5, characterized in that the inner side of the main board (4) is provided with a plurality of second partitions (6) extending towards the breaker body (1) and abutting against the corresponding first partitions (11).
7. The novel closed bus bar structure of distribution electrical equipment according to claim 6, wherein the second partition board (6) is assembled with the first partition board (11) by a plug-in structure, and the plug-in structure comprises a second slot (14) arranged on the outer end surface of the first partition board (11), and a plug-in block (61) arranged on the second partition board (6) and adapted to plug-in with the second slot (14).
8. The new closed busbar structure for electrical distribution equipment according to claim 7, wherein a plurality of reinforcing ribs (7) are provided at the junction of the main plate (4) with the second partition (6) and the mounting plate (5), respectively, and the reinforcing ribs (7) extend from the junction to be disposed adjacent to the first partition (11).
9. The novel closed bus bar structure for distribution electrical equipment according to any one of claims 3 to 8, wherein the main board (4) is provided with a plurality of heat dissipation holes (41).
10. The novel closed bus bar structure of distribution electrical equipment according to any one of claims 1 to 9, wherein the housings (3) are connected by splicing a plurality of sub-housings, two adjacent sub-housings are assembled by a clamping structure, and the clamping structure comprises a second clamping groove (33) arranged on one side of the two adjacent sub-housings and a second clamping block (34) arranged on the other side and adapted to the second clamping groove (33).
11. The novel closed bus bar structure of distribution electrical equipment according to claim 10, wherein the sub-enclosure comprises an enclosure main body (31), and a flange (32) formed on one side of the enclosure main body (31), the flange (32) of the sub-enclosure extends to the outer side of the edge of the adjacent sub-enclosure main body (31), the inner side of the flange (32) is provided with the second clamping groove (33), and the outer side of the edge of the enclosure main body (31) is provided with the second clamping block (34).
12. The new closed busbar construction for electrical distribution appliances according to any of claims 1 to 9, characterized in that the housings (3) are integrally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110176784.3A CN112821206A (en) | 2021-02-07 | 2021-02-07 | Novel closed bus structure of distribution electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110176784.3A CN112821206A (en) | 2021-02-07 | 2021-02-07 | Novel closed bus structure of distribution electrical appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112821206A true CN112821206A (en) | 2021-05-18 |
Family
ID=75864498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110176784.3A Pending CN112821206A (en) | 2021-02-07 | 2021-02-07 | Novel closed bus structure of distribution electrical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112821206A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0229590A1 (en) * | 1985-12-14 | 1987-07-22 | CMC Carl Maier + Cie AG | Low-voltage distribution |
| JPH087741A (en) * | 1994-06-20 | 1996-01-12 | Fuji Electric Co Ltd | Terminal cover of electric apparatus |
| CN201532872U (en) * | 2009-09-17 | 2010-07-21 | 浙江天正电气股份有限公司 | Clamping protective cover and double-power-source automatic change-over switch provided with same |
| CN201732748U (en) * | 2010-04-16 | 2011-02-02 | 上海电科电器科技有限公司 | Busbar fixing device of breaker and cover plate thereof |
| CN206516966U (en) * | 2017-01-16 | 2017-09-22 | 上海良信电器股份有限公司 | A kind of alternate isolation structure of open frame circuit breaker |
| CN206611025U (en) * | 2017-03-29 | 2017-11-03 | 厦门威尔圣电气股份有限公司 | A kind of bus adaption device |
| WO2017198165A1 (en) * | 2016-05-17 | 2017-11-23 | 浙江人民电器有限公司 | Direct-current circuit breaker |
| CN209747432U (en) * | 2019-06-10 | 2019-12-06 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker with arc-isolating cover |
| CN209880517U (en) * | 2019-07-17 | 2019-12-31 | 乐清市高科环保电子有限公司 | Moulded case circuit breaker wiring structure |
| CN111640631A (en) * | 2020-07-02 | 2020-09-08 | 乐清市高科环保电子有限公司 | Wiring device for circuit breaker |
-
2021
- 2021-02-07 CN CN202110176784.3A patent/CN112821206A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0229590A1 (en) * | 1985-12-14 | 1987-07-22 | CMC Carl Maier + Cie AG | Low-voltage distribution |
| JPH087741A (en) * | 1994-06-20 | 1996-01-12 | Fuji Electric Co Ltd | Terminal cover of electric apparatus |
| CN201532872U (en) * | 2009-09-17 | 2010-07-21 | 浙江天正电气股份有限公司 | Clamping protective cover and double-power-source automatic change-over switch provided with same |
| CN201732748U (en) * | 2010-04-16 | 2011-02-02 | 上海电科电器科技有限公司 | Busbar fixing device of breaker and cover plate thereof |
| WO2017198165A1 (en) * | 2016-05-17 | 2017-11-23 | 浙江人民电器有限公司 | Direct-current circuit breaker |
| CN206516966U (en) * | 2017-01-16 | 2017-09-22 | 上海良信电器股份有限公司 | A kind of alternate isolation structure of open frame circuit breaker |
| CN206611025U (en) * | 2017-03-29 | 2017-11-03 | 厦门威尔圣电气股份有限公司 | A kind of bus adaption device |
| CN209747432U (en) * | 2019-06-10 | 2019-12-06 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker with arc-isolating cover |
| CN209880517U (en) * | 2019-07-17 | 2019-12-31 | 乐清市高科环保电子有限公司 | Moulded case circuit breaker wiring structure |
| CN111640631A (en) * | 2020-07-02 | 2020-09-08 | 乐清市高科环保电子有限公司 | Wiring device for circuit breaker |
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