CN105742106A - Shockproof constant-temperature bulk-oil circuit breaker - Google Patents
Shockproof constant-temperature bulk-oil circuit breaker Download PDFInfo
- Publication number
- CN105742106A CN105742106A CN201610187574.3A CN201610187574A CN105742106A CN 105742106 A CN105742106 A CN 105742106A CN 201610187574 A CN201610187574 A CN 201610187574A CN 105742106 A CN105742106 A CN 105742106A
- Authority
- CN
- China
- Prior art keywords
- shock
- casing
- insulated sleeve
- water bath
- constant
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/68—Liquid-break switches, e.g. oil-break
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/55—Oil reservoirs or tanks; Lowering means therefor
Abstract
The invention discloses a shockproof constant-temperature bulk-oil circuit breaker. The circuit breaker comprises a box body, wherein a box cover is arranged at the top end of the box body; the box cover and the box body form a sealed cavity, and the sealed cavity is filled with transformer oil; two through holes are formed in the box cover; insulating sleeves are arranged in the through holes; the top ends of the insulating sleeves are positioned above the box cover; the bottom ends of the insulating sleeves pass through the through holes to be positioned in the transformer oil; a current transformer is mounted at the bottom ends, close to ports, of the insulating sleeves; the bottom end ports of the insulating sleeves are connected with arc extinguish chambers; each arc extinguish chamber is provided with a static contact and a moving contact; a shockproof structure is arranged at the bottom of the box body; a constant-temperature water bath box is arranged on the exterior of the box body; the constant-temperature water bath box is provided with an accommodating part; the accommodating part and the box body form a sealed cavity through a connecting plate; the sealed cavity is filled with water used as a heat conducting medium; and a radiating structure is arranged at the bottom of the constant-temperature water bath box.
Description
Technical field
The present invention relates to field of circuit breakers, specifically, be related specifically to a kind of Shockproof type constant temperature bulk oil circuit.
Background technology
Electric current that chopper refers to close, carry and cut-off under normal loop condition and can close, carrying and the switching device of electric current that cut-offs under abnormal loop condition within the time of regulation.Chopper is divided into primary cut-out and low-voltage circuit breaker by its use scope, and high-low pressure identification of boundaries is fuzzyyer, generally more than 3kV is called High-Voltage Electrical Appliances.
Chopper can be used to distribute electric energy; infrequently start asynchronous motor; power circuit and motor etc. are carried out protection, when there is serious overloads or the fault such as short-circuit and under-voltage when them can automatic shutdown circuit, its function is equivalent to Fuse switch and crosses the combination of underheat relay etc..And after disjunction fault current, generally need not change parts.
In use, its precision is affected by temperature for chopper, it is therefore desirable to a metastable working environment.
Summary of the invention
Present invention aims to deficiency of the prior art, it is provided that a kind of Shockproof type constant temperature bulk oil circuit, to solve problems of the prior art.
Technical problem solved by the invention can realize by the following technical solutions:
A kind of Shockproof type constant temperature bulk oil circuit, including casing, is provided with case lid on the top of described casing, and described case lid constitutes closed cavity with casing, and is filled with transformer oil in described closed cavity；
Described case lid offers two through holes, in described through hole, insulated sleeve is installed, the top of described insulated sleeve is positioned at the top of case lid, the bottom of insulated sleeve is positioned at transformer oil after through hole, at the proximal port place, bottom of insulated sleeve, current transformer is installed, the bottom port of insulated sleeve is connected with arc-chutes, and described arc-chutes have static contact and moving contact；
Described insulated sleeve includes the matrix of inside and is attached to the insulating barrier of matrix surface, and described matrix adopts inorganic material to make, and insulating barrier adopts crystalline polypropylene homopolymer to make, and is coated with ceramic layer at insulating barrier；
The bottom of described casing is provided with anti-vibration structure, described anti-vibration structure includes the base plate of fuel tank, it is arranged over shock-absorbing plate at base plate, in the side of shock-absorbing plate, ball is installed, ball is flexibly connected with the chute being opened on fuel tank side board, and shock-absorbing plate can be driven to move up and down, and is filled with shock-absorbing sponge between base plate and shock-absorbing plate, being provided with some springs inside shock-absorbing sponge, the two ends of spring are connecting bottom board and shock-absorbing plate respectively；
It is provided externally with constant water bath box at described casing, constant water bath box has accommodation portion, accommodation portion constitutes sealing cavity by connecting plate and casing, the water serving as heat-conducting medium is filled in annular seal space body, be provided with radiator structure in the bottom of constant water bath box, described radiator structure includes air channel, and described air channel is horizontally set at the lower section of base plate, being provided with blower fan in the one end in air channel, the other end in air channel is set to outlet.
Compared with prior art, beneficial effects of the present invention is as follows:
Simple in construction, designs ingenious, chopper can maintain metastable temperature, reduce its temperature fluctuation range, it is ensured that service precision.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of Shockproof type constant temperature bulk oil circuit of the present invention.
Number in the figure illustrates: casing 1, case lid 2, transformer oil 3, insulated sleeve 4, current transformer 5, arc-chutes 6, moving contact 8, shock-absorbing plate 9, constant water bath box 10, air channel 11, blower fan 12.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be easy to understand, below in conjunction with detailed description of the invention, the present invention is expanded on further.
Referring to Fig. 1, a kind of Shockproof type constant temperature bulk oil circuit of the present invention, including casing 1, it is provided with case lid 2 on the top of described casing 1, described case lid 2 constitutes closed cavity with casing 1, and is filled with transformer oil 3 in described closed cavity.
Described case lid 2 offers two through holes, insulated sleeve 4 is installed in described through hole, the top of described insulated sleeve 4 is positioned at the top of case lid 2, the bottom of insulated sleeve 4 is positioned at transformer oil 3 after through hole, at the proximal port place, bottom of insulated sleeve 4, current transformer 5 is installed, the bottom port of insulated sleeve 4 is connected with arc-chutes 6, and described arc-chutes 6 have static contact and moving contact 8；
Described insulated sleeve 4 includes the matrix of inside and is attached to the insulating barrier of matrix surface, and described matrix adopts inorganic material to make, and insulating barrier adopts crystalline polypropylene homopolymer to make, and is coated with ceramic layer at insulating barrier；
The bottom of described casing 1 is provided with anti-vibration structure, described anti-vibration structure includes the base plate of fuel tank, it is arranged over shock-absorbing plate 9 at base plate, in the side of shock-absorbing plate 9, ball is installed, ball is flexibly connected with the chute being opened on fuel tank side board, and shock-absorbing plate 9 can be driven to move up and down, and is filled with shock-absorbing sponge between base plate and shock-absorbing plate 9, being provided with some springs inside shock-absorbing sponge, the two ends of spring are connecting bottom board and shock-absorbing plate 9 respectively.
It is provided externally with constant water bath box 10 at described casing 1, constant water bath box 10 has accommodation portion, accommodation portion constitutes sealing cavity by connecting plate and casing 1, the water serving as heat-conducting medium is filled in annular seal space body, be provided with radiator structure in the bottom of constant water bath box 10, described radiator structure includes air channel 11, and described air channel 11 is horizontally set at the lower section of base plate, be provided with blower fan 12 in the one end in air channel 11, the other end in air channel 11 is set to outlet.
The operation principle of the present invention is as follows:
The water specific heat filled in annular seal space body is much larger than the transformer oil in fuel tank, therefore when transformer oil to rise, its heat is rapidly transferred to the water in annular seal space body, the heat of transformer oil reduces, after water heat absorption in annular seal space body, wind bottom it plays drive cooling air and blows over air channel, takes away the heat sealing cavity.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within the claimed scope of the invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (1)
1. a Shockproof type constant temperature bulk oil circuit, including casing, is provided with case lid on the top of described casing, and described case lid constitutes closed cavity with casing, and is filled with transformer oil in described closed cavity；
Described case lid offers two through holes, in described through hole, insulated sleeve is installed, the top of described insulated sleeve is positioned at the top of case lid, the bottom of insulated sleeve is positioned at transformer oil after through hole, at the proximal port place, bottom of insulated sleeve, current transformer is installed, the bottom port of insulated sleeve is connected with arc-chutes, and described arc-chutes have static contact and moving contact；
It is characterized in that: described insulated sleeve includes the matrix of inside and is attached to the insulating barrier of matrix surface, described matrix adopts inorganic material to make, and insulating barrier adopts crystalline polypropylene homopolymer to make, and is coated with ceramic layer at insulating barrier；
The bottom of described casing is provided with anti-vibration structure, described anti-vibration structure includes the base plate of fuel tank, it is arranged over shock-absorbing plate at base plate, in the side of shock-absorbing plate, ball is installed, ball is flexibly connected with the chute being opened on fuel tank side board, and shock-absorbing plate can be driven to move up and down, and is filled with shock-absorbing sponge between base plate and shock-absorbing plate, being provided with some springs inside shock-absorbing sponge, the two ends of spring are connecting bottom board and shock-absorbing plate respectively；
It is provided externally with constant water bath box at described casing, constant water bath box has accommodation portion, accommodation portion constitutes sealing cavity by connecting plate and casing, the water serving as heat-conducting medium is filled in annular seal space body, be provided with radiator structure in the bottom of constant water bath box, described radiator structure includes air channel, and described air channel is horizontally set at the lower section of base plate, being provided with blower fan in the one end in air channel, the other end in air channel is set to outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187574.3A CN105742106A (en) | 2016-03-29 | 2016-03-29 | Shockproof constant-temperature bulk-oil circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187574.3A CN105742106A (en) | 2016-03-29 | 2016-03-29 | Shockproof constant-temperature bulk-oil circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105742106A true CN105742106A (en) | 2016-07-06 |
Family
ID=56252335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610187574.3A Pending CN105742106A (en) | 2016-03-29 | 2016-03-29 | Shockproof constant-temperature bulk-oil circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105742106A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116072486A (en) * | 2023-04-03 | 2023-05-05 | 苏州世椿新能源技术有限公司 | Overload protection device for hydrogen fuel cell power generation system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4030053A (en) * | 1975-09-11 | 1977-06-14 | Westinghouse Electric Corporation | Distribution transformer secondary circuit breaker having cantilevered contacts |
| CN204303675U (en) * | 2015-01-18 | 2015-04-29 | 国家电网公司 | A kind of high-pressure oil breaker |
| CN105225795A (en) * | 2015-10-19 | 2016-01-06 | 成都九十度工业产品设计有限公司 | A kind of buried oil cooling system of oil-filled transformer |
| CN204967055U (en) * | 2015-08-14 | 2016-01-13 | 何华琼 | Heat dissipation block terminal takes precautions against earthquakes |
-
2016
- 2016-03-29 CN CN201610187574.3A patent/CN105742106A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4030053A (en) * | 1975-09-11 | 1977-06-14 | Westinghouse Electric Corporation | Distribution transformer secondary circuit breaker having cantilevered contacts |
| CN204303675U (en) * | 2015-01-18 | 2015-04-29 | 国家电网公司 | A kind of high-pressure oil breaker |
| CN204967055U (en) * | 2015-08-14 | 2016-01-13 | 何华琼 | Heat dissipation block terminal takes precautions against earthquakes |
| CN105225795A (en) * | 2015-10-19 | 2016-01-06 | 成都九十度工业产品设计有限公司 | A kind of buried oil cooling system of oil-filled transformer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116072486A (en) * | 2023-04-03 | 2023-05-05 | 苏州世椿新能源技术有限公司 | Overload protection device for hydrogen fuel cell power generation system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161019 Address after: 314100, Zhejiang, Jiaxing province Jiashan Huimin Street Dongsheng Road, No. 3, building 39, 3 floor Applicant after: JIASHAN BRANCH OF JIAXING HENGCHUANG ELECTRIC POWER DESIGN INSTITUTE CO., LTD. Applicant after: JIASHAN HENGXING ELECTRIC POWER CONSTRUCTION CO., LTD. Applicant after: State Grid Zhejiang Jiashan County Power Supply Co., Ltd. Address before: 314100, Zhejiang, Jiaxing province Jiashan Huimin Street Dongsheng Road, No. 3, building 39, 3 floor Applicant before: JIASHAN BRANCH OF JIAXING HENGCHUANG ELECTRIC POWER DESIGN INSTITUTE CO., LTD. Applicant before: Jiaxing Power Supply Company, State Grid Zhejiang Electronic Power Company |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160706 |
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| RJ01 | Rejection of invention patent application after publication |