CN102867714B - Method for mounting fuse - Google Patents
Method for mounting fuse Download PDFInfo
- Publication number
- CN102867714B CN102867714B CN201210362020.4A CN201210362020A CN102867714B CN 102867714 B CN102867714 B CN 102867714B CN 201210362020 A CN201210362020 A CN 201210362020A CN 102867714 B CN102867714 B CN 102867714B
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- CN
- China
- Prior art keywords
- fuse
- tube connector
- copper tube
- egress line
- porcelain bushing
- 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
- 238000000034 method Methods 0.000 title claims abstract description 27
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052802 copper Inorganic materials 0.000 claims abstract description 31
- 239000010949 copper Substances 0.000 claims abstract description 31
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 28
- 230000001681 protective effect Effects 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 7
- 238000005057 refrigeration Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract 1
- 230000007774 longterm Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000010891 electric arc Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Landscapes
- Fuses (AREA)
Abstract
The invention discloses a method for mounting a fuse. The fuse comprises an integrated porcelain sleeve, a fuse tube disposed in the porcelain sleeve, a fuse wire disposed in the fuse tube, outlet lines and a mounting frame. The outlet lines include the outlet line located on the upper portion and the outlet line located on the lower portion. The method for mounting the fuse includes fixedly connecting the mounting frame and the porcelain sleeve; and connecting the outlet lines and down leads by a copper connecting tube, and performing insulating treatment to connection by a protective shield. The fuse is mounted by the method, and the fuse uses the integrated porcelain sleeve, so that sealing is excellent, the parts such as the fuse wire inside the fuse can be protected from interference of outside dust, moisture and rainwater, and long-term operation stability of the fuse can be guaranteed.
Description
Technical field
The present invention relates to overload protection technical field, particularly relate to a kind of fuse installation method.
Background technology
Along with improving constantly of china's overall national strength and the level of production, also increasing to the demand of electric power.
In order to make the production of electric power, conveying, use procedure be protected effectively, power industry employs a large amount of fuses.A fuse that can fuse when there is overcurrent is mostly protected in fuse, can available protecting power equipment by the break-make of fuse.But because power equipment is mostly in outdoor state, therefore inevitably will be subject to the interference of extraneous travel fatigue, moisture, rainwater with the supporting cartridge fuse be connected, the long-time running stability of fuse is not high.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present invention provides a kind of fuse installation method, and to solve the problem, technical scheme is as follows:
A kind of fuse installation method, described fuse comprises integrated porcelain bushing, be positioned over the cartridge fuse in described porcelain bushing, be positioned over the fuse in described cartridge fuse, egress line and mounting bracket, described egress line comprises superposed egress line and is positioned at the egress line of bottom, wherein, the top mouth of pipe of described porcelain bushing is provided with the first securing member of insulation, the lateral opening of described porcelain bushing is provided with the second securing member of insulation, one end and the described upper outlet line of described fuse are electrically connected, the other end and the described lower part outlet line of described fuse are electrically connected,
Described method comprises:
Described mounting bracket is fixedly connected with described porcelain bushing;
With copper tube connector, egress line is connected with downlead, and with protective cover, insulation processing is carried out to junction;
Egress line is connected with downlead by described copper tube connector, and carries out insulation processing with protective cover to junction and specifically comprise:
The naked core of egress line is inserted in the first end of described copper tube connector, the naked core of described first end and egress line is crimped together;
Having the naked core of the downlead of protective cover to be inserted in the second end of described copper tube connector by overlapping in advance, being crimped together by the naked core of described second end and downlead, described protective cover comprises the EP rubber refrigeration draw and is placed in the supporter in the EP rubber refrigeration draw;
Described protective cover is moved to described copper tube connector place, make the junction of described copper tube connector, described copper tube connector and egress line, and the junction of described copper tube connector and downlead is all inserted in described protective cover;
Take out above support.
Visible; after fuse is installed by the installation method provided by the invention process; because the fuse in the present invention uses integrated porcelain bushing; therefore sealing is good; the devices such as inner fuse can be protected not by the interference of extraneous travel fatigue, moisture, rainwater, the long-time running stability of fuse can be guaranteed.Meanwhile, cartridge fuse also can protect fuse can not be broken by external force in installation and unloading process further.The securing member of insulation is also included in fuse in the present invention, can the connection of electrode in securing electric lines and fuse.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the fuse that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the generalized section of fuse shown in Fig. 1;
The electrode contact schematic diagram that Fig. 3 provides for the embodiment of the present invention;
What Fig. 4 provided for the embodiment of the present invention is fixedly connected with schematic diagram by mounting bracket with porcelain bushing;
The schematic diagram in kind that egress line is connected with downlead by the use copper tube connector that Fig. 5 a-Fig. 7 b provides for the embodiment of the present invention;
The fuse installation method flow chart that Fig. 8 provides for the embodiment of the present invention;
Another structural representation of fuse that Fig. 9 provides for the embodiment of the present invention;
The cartridge fuse structural representation that Figure 10 provides for the embodiment of the present invention;
The another kind of fuse installation method schematic diagram that Figure 11 a-Figure 11 g provides for the embodiment of the present invention.
The another structural representation of fuse that Figure 12 provides for the embodiment of the present invention.
Embodiment
Technical scheme in the present invention is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
A kind of fuse installation method that the embodiment of the present invention provides, as shown in Figures 1 and 2 (Fig. 2 is the profile of fuse shown in Fig. 1), above-mentioned fuse can comprise: integrated porcelain bushing 001, the cartridge fuse 002 be positioned in porcelain bushing 001, the fuse 003 be positioned in cartridge fuse 002, superposed egress line 004, the egress line 005 being positioned at bottom and mounting bracket 016.
Wherein, second securing member 007 of the insulation that the first securing member 006 of insulation that the top mouth of pipe of porcelain bushing 001 is installed and the side upper shed of porcelain bushing 001 are installed, upper outlet line 004 in one end of fuse 003 and fuse is electrically connected, and the lower part outlet line 005 in the other end of fuse 003 and fuse is electrically connected.
It should be noted is that, in actual applications, the length of fuse 003 can adjust according to actual needs, and is connected with upper outlet line 004, lower part outlet line 005 by fuse 003 by conductor (as electric wire).
Egress line comprises superposed egress line and is positioned at the egress line of bottom, wherein, the top mouth of pipe of porcelain bushing is provided with the first securing member of insulation, the lateral opening of porcelain bushing is provided with the second securing member of insulation, one end and the upper outlet line of fuse are electrically connected, and the other end and the lower part outlet line of fuse are electrically connected.
It will be appreciated by those skilled in the art that a bit, egress line 004 can be connected the two ends of cartridge fuse 002 respectively with egress line 005.Because cartridge fuse 002 is column, therefore, preferably, the contact of egress line 004 and/or egress line 005 can be petal type contact as shown in Figure 3.
As shown in Figure 3, this petal type contact can comprise four contacts 008, by four contacts 008 and fuse 003 close contact, to keep good electrical connection.Certainly, egress line 004 can also pass through conductor adapting piece (as copper wire) and fuse 003 and is electrically connected.Now, the contact 008 of egress line 004 just can be connected with conductor adapting piece.In actual applications, the number of the petal type contact 008 of embodiment of the present invention middle outlet line 004 and/or egress line 005 is not limited to four shown in Fig. 3, can also be other quantity, as three etc.
It will be appreciated by persons skilled in the art that petal type contact can increase the connection adaptability of electrode on the basis keeping good electrical contact, both can connect thicker wire, and also can connect thinner wire.
Based on above-mentioned fuse, above-mentioned installation method at least comprises the steps (see Fig. 8):
S1, mounting bracket 016 to be fixedly connected with (see Fig. 4) with porcelain bushing 001.Just can easily fuse be installed in the electrical apparatus by mounting bracket 016.
More specifically, after being unclamped by bolt 018 subsidiary on anchor ear 017, be placed on by anchor ear 017 above mounting bracket 016, from below inserting bolt 018, mounting spring packing ring and nut are also tightened.
S2, with copper tube connector (copper tube connector is specially the zinc-plated tube connector of copper), egress line (005/004) to be connected with downlead, and with protective cover, insulation processing to be carried out to junction.
For egress line 005, above-mentioned S2 specifically comprises the steps:
S21, the naked core 051 of egress line 005 is inserted in the first end of copper tube connector 019, the naked core 051 of first end and egress line 005 is crimped together;
The naked core 051 that Fig. 5 a shows egress line 005 is inserted in the situation before copper tube connector 019, and Fig. 5 b shows the situation after being crimped together by the naked core 051 of first end and egress line 005.
S22, by advance cover have the naked core 211 of the downlead 021 of protective cover to be inserted in the second end of copper tube connector 019, the naked core 211 of the second end and downlead 021 is crimped together.
Above-mentioned protective cover specifically comprises the EP rubber refrigeration draw 020 and supporter 022, and, all built-in supporter 022 in two ends of the EP rubber refrigeration draw 020.
The naked core 211 that Fig. 6 a shows downlead 021 is inserted in the situation before copper tube connector 019, and Fig. 6 b shows the situation after being crimped together by the naked core 211 of the second end and downlead 021.
S23, protective cover is moved to copper tube connector place, make the junction of copper tube connector 019, copper tube connector 019 and egress line 005, and copper tube connector 019 is all inserted in protective cover with the junction of downlead 021;
S24, taking-up supporter 022.
Fig. 7 a shows the situation after taking-up supporter 022, and Fig. 7 b shows the situation after all being taken out by two supporters 022.
Visible; after fuse is installed by the installation method provided by the invention process; because above-mentioned fuse uses integrated porcelain bushing 001; therefore sealing is good; inner device such as fuse 003 grade can be protected not by the interference of extraneous travel fatigue, moisture, rainwater, the long-time running stability of fuse can be guaranteed.Meanwhile, cartridge fuse 002 also can protect fuse 003 can not be broken by external force in installation and unloading process further.The securing member of insulation is also included in fuse in the present invention, can the connection of electrode in securing electric lines and fuse.
In other embodiments of the present invention, as shown in Figure 9, the bottom mouth of pipe of the porcelain bushing 001 in above-described embodiment can be provided with dismountable seal cover 009.The material of seal cover 009 can be the insulators such as rubber.Seal cover 009 can make whole fuse be isolated from the outside, and can get rid of external interference, the stability of further raising work.
In the present embodiment, see Figure 10, cartridge fuse can comprise metal cap 023, body 024, the spring 010 be enclosed within body 024, and is enclosed within the cylindrical shape saddle 012 on spring 010, the outer wall of cylindrical shape saddle 012 is provided with securing member 013.Wherein, securing member 013 comprises nut, nut, and nut is also provided with wire installation portion;
Wherein, the top of cylindrical shape saddle 012 is connected with the top of spring 010, and the bottom of spring 010 is connected with insulation cushion 011, and the bottom of insulation cushion 011 is provided with groove; Metal cap 023 is provided with external screw thread, and body 024 one end is provided with the internal thread suitable with external screw thread.
Based on said structure, before being fixedly connected with porcelain bushing by mounting bracket, above-mentioned installation method also can comprise the steps:
S31, take off metal cap 023(see Figure 11 a), fuse 003 is put into body 024 (see Figure 11 b);
S32, metal cap 023 and body 024 to be screwed (see Figure 11 c) mutually;
S33, body 024 to be inverted (see Figure 11 d);
S34, spring 010 to be compressed;
S35, the groove of the bottom of insulation cushion 011 to be alignd with the securing member 013 on cylindrical shape saddle 012;
S36, the wire 025 of fuse 003 is bent the groove walked around bottom insulation cushion 011 downwards, and walk around the wire installation portion (see Figure 11 e) of cylindrical shape saddle 012 top nut;
S37, cylindrical shape saddle 012 upper cap nut to be tightened mutually with nut, make the wire 025 of fuse 003 be wound around and be fixed on nut, thus make spring 010 be pressed into (being the pictorial diagram of Figure 11 f see Figure 11 f, Figure 11 g) in cylindrical shape saddle 012 completely.
In actual applications, the upper end of fuse 003 can be fixedly connected with egress line 004, or is fixedly connected with conductor adapting piece.Meanwhile, egress line 005 and securing member 013 are electrically connected, and the position of fixation fastener 013.Securing member 013 is conductor.
Visible, because fuse 003 top and bottom (wire 025) is all fixed, therefore when there is the events such as overcurrent, once after fuse 003 fusing, the spring 010 being in compressive state will start to discharge elastic force.Because securing member 013 is fixed on jobbie, like this, insulation cushion 011 and cartridge fuse 002 will flick downwards under the effect of spring 010, and strike on above-mentioned seal cover 009, thus are rushed open by seal cover 009.Be understandable that, owing to seal cover 009 can be made to be in open mode after fusing, whether the fuse 003 that therefore technical staff can be judged in fuse by the state of seal cover 009 fuses, very directly perceived and convenient.
In other embodiments of the present invention, as shown in figure 12, above-mentioned fuse can also comprise arc-extinguishing stick 014 and expulsion tube 015, expulsion tube 015 is enclosed within outside cartridge fuse 002, arc-extinguishing stick 014 to be arranged in expulsion tube 015 and with expulsion tube 015 electrical isolation, arc-extinguishing stick 014 and egress line 004 are electrically connected, and expulsion tube 015 and egress line 005 are electrically connected.
It will be appreciated by persons skilled in the art that after the fuse 003 in fuse fuses, cartridge fuse 002 and insulation cushion 011 flick by spring 010, and carry the lower part fuse after fusing if do not have arc-extinguishing stick 014 of the present invention and expulsion tube 015.At this moment, the upper part fuse after fusing and lower part fuse, will produce electric arc between cartridge fuse 002.In the present invention, expulsion tube 015 is connected with lower part outlet line 005, and arc-extinguishing stick 014 is connected with upper outlet line 004.After the fuse 003 in fuse fuses, electric arc will produce between arc-extinguishing stick 014 and expulsion tube 015.Be understandable that, electric arc can make the air heats between arc-extinguishing stick 014 and expulsion tube 015 expand and produce air-flow.Because the gap between arc-extinguishing stick 014 and expulsion tube 015 is less, electric arc can successfully be blown out by the air-flow therefore produced, thus realizes the object of extinguishing arc.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.
Below be only the specific embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. a fuse installation method, it is characterized in that, described fuse comprises integrated porcelain bushing, be positioned over the cartridge fuse in described porcelain bushing, be positioned over the fuse in described cartridge fuse, egress line and mounting bracket, described egress line comprises superposed egress line and is positioned at the egress line of bottom, wherein, the top mouth of pipe of described porcelain bushing is provided with the first securing member of insulation, the lateral opening of described porcelain bushing is provided with the second securing member of insulation, one end of described fuse is electrically connected by conductor and described upper outlet line, the other end of described fuse is electrically connected by conductor and described lower part outlet line, the contact of described upper outlet line and/or described lower part outlet line is petal type contact,
Described method comprises:
Described mounting bracket is fixedly connected with described porcelain bushing;
With copper tube connector, egress line is connected with downlead, and with protective cover, insulation processing is carried out to junction;
Egress line is connected with downlead by described copper tube connector, and carries out insulation processing with protective cover to junction and specifically comprise:
The naked core of egress line is inserted in the first end of described copper tube connector, the naked core of described first end and egress line is crimped together;
Having the naked core of the downlead of protective cover to be inserted in the second end of described copper tube connector by overlapping in advance, being crimped together by the naked core of described second end and downlead, described protective cover comprises the EP rubber refrigeration draw and is placed in the supporter in the EP rubber refrigeration draw;
Described protective cover is moved to described copper tube connector place, make the junction of described copper tube connector, described copper tube connector and egress line, and the junction of described copper tube connector and downlead is all inserted in described protective cover;
Take out above support.
2. the method for claim 1, is characterized in that,
Described copper tube connector is specially the zinc-plated tube connector of copper.
3. method according to claim 1 and 2, is characterized in that:
The bottom mouth of pipe of described porcelain bushing is provided with dismountable seal cover; Described cartridge fuse comprises metal cap, body, the spring be enclosed within body, and the cylindrical shape saddle be enclosed within spring, the outer wall of described cylindrical shape saddle is provided with securing member, and described securing member comprises nut, nut, described nut is provided with wire installation portion;
The top of described cylindrical shape saddle is connected with the top of described spring, and the bottom of described spring is connected with insulation cushion, and the bottom of described insulation cushion is provided with groove;
Described metal cap is provided with external screw thread, and described body one end is provided with the internal thread suitable with described external screw thread;
Before being fixedly connected with described porcelain bushing by described mounting bracket, described method also comprises:
Take off described metal cap, described fuse is put into described body;
Described metal cap and described body are screwed mutually;
Described body is inverted;
By described spring-compressed;
The groove of the bottom of insulation cushion is alignd with the securing member on described cylindrical shape saddle;
The wire of described fuse is walked around the groove of the bottom of insulation cushion, and walk around the wire installation portion of described nut;
Nut and described nut are tightened mutually, makes the wire of described fuse be wound around and be fixed on described nut, thus make described spring be pressed into completely in described cylindrical shape saddle.
4. method according to claim 3, described fuse also comprises: arc-extinguishing stick and expulsion tube, described expulsion tube is enclosed within outside described cartridge fuse, described arc-extinguishing stick to be arranged in described expulsion tube and with described expulsion tube electrical isolation, described arc-extinguishing stick and described upper outlet line are electrically connected, and described expulsion tube and described lower part outlet line are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210362020.4A CN102867714B (en) | 2012-09-25 | 2012-09-25 | Method for mounting fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210362020.4A CN102867714B (en) | 2012-09-25 | 2012-09-25 | Method for mounting fuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102867714A CN102867714A (en) | 2013-01-09 |
| CN102867714B true CN102867714B (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210362020.4A Active CN102867714B (en) | 2012-09-25 | 2012-09-25 | Method for mounting fuse |
Country Status (1)
| Country | Link |
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| CN (1) | CN102867714B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346049A (en) * | 2013-07-08 | 2013-10-09 | 桐乡市供电局 | Full-sealing fuse |
| CN103367070B (en) * | 2013-07-08 | 2016-03-23 | 国家电网公司 | A kind of arc extinguishing structure of fuse |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201196940Y (en) * | 2008-05-08 | 2009-02-18 | 日本能源服务株式会社 | High voltage fuse |
| CN101420073A (en) * | 2008-11-17 | 2009-04-29 | 钱生宏 | Carbon fiber wire with connecting terminal |
| CN202333174U (en) * | 2011-12-01 | 2012-07-11 | 重庆智酷热能设备有限公司 | Connection joint for carbon fiber and metal conducting wire |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4364856B2 (en) * | 2005-08-29 | 2009-11-18 | 中国電力株式会社 | Work bar |
| JP2010225419A (en) * | 2009-03-24 | 2010-10-07 | Chugoku Electric Power Co Inc:The | Cylindrical high pressure cutout |
-
2012
- 2012-09-25 CN CN201210362020.4A patent/CN102867714B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201196940Y (en) * | 2008-05-08 | 2009-02-18 | 日本能源服务株式会社 | High voltage fuse |
| CN101420073A (en) * | 2008-11-17 | 2009-04-29 | 钱生宏 | Carbon fiber wire with connecting terminal |
| CN202333174U (en) * | 2011-12-01 | 2012-07-11 | 重庆智酷热能设备有限公司 | Connection joint for carbon fiber and metal conducting wire |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102867714A (en) | 2013-01-09 |
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