CN208256608U - A kind of fuse and fuse assembly, distribution transformer - Google Patents
A kind of fuse and fuse assembly, distribution transformer Download PDFInfo
- Publication number
- CN208256608U CN208256608U CN201820773271.4U CN201820773271U CN208256608U CN 208256608 U CN208256608 U CN 208256608U CN 201820773271 U CN201820773271 U CN 201820773271U CN 208256608 U CN208256608 U CN 208256608U
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- fuse
- conduct piece
- insulation tube
- flanging
- conducting rod
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Abstract
The utility model relates to a kind of fuse and fuse assemblies, distribution transformer, fuse includes insulation tube, one end of insulation tube is equipped with the first conduct piece for being electrically connected with high-tension coil outlet, the fuse being electrically connected with the first conduct piece is equipped in insulation tube, insulation tube is equipped with far from one end of the first conduct piece for the second conduct piece with conducting rod fixing assembling and conductive connection, second conduct piece is wholely set and is conductively connected with fuse, and insulation tube is equipped with the step for cooperating with bushing block close to one end of the second conduct piece.By the way that the second conduct piece with conducting rod fixing assembling and conductive connection is arranged in insulation tube, the connection of fuse and conducting rod is facilitated, efficiency when fuse is connect with conducting rod is improved；It is equipped with the fuse for being wholely set and being conductively connected with the second conduct piece in insulation tube, avoids being directly connected to for fuse and conducting rod, improves the stability that fuse connects.
Description
Technical field
The utility model relates to a kind of fuse and fuse assemblies, distribution transformer.
Background technique
Transformer is the ac voltage regulator for changing input voltage and output voltage using electromagnetic induction principle.Become
Depressor is equipped with rated capacity, and does overcurrent protection by the current limiting safeguard of periphery installation, but since human factor may
Cause overcurrent insurance definite value excessively high, once transformer output current is excessive, transformer overload can be made to run, the work of transformer
Electric current is more than rated current, and winding coil load loss sharply increases, and coil heating simultaneously causes transformer oil temperature to increase, line
Circle temperature reaches critical value, and aged deterioration declines insulation resistance and short circuit occurs and burns coil by coil insulated paint.For upper
Problem is stated, the Chinese patent that application publication number CN103259249A, data of publication of application are 2013.08.21 discloses a kind of electricity
Power transformer overheats fuse protecting device, the protective device include connecting sleeve and the conducting rod being fixed in connecting sleeve with it is exhausted
Edge pipe, insulation tube are connect with conducting rod by pipe nipple, and fuse is equipped in insulation tube, and one end of fuse connects conducting rod, the other end
It is connected on fusible link pedestal, when transformer overload degree is more than permissible value, fuse is disconnected, and transformer is out of service.But
It is that the insulation tube of above-mentioned protective device and conducting rod need that the fuse in insulation tube is first led welding with conducting rod before proceeding
It realizes and is conductively connected together, cause fuse connection inconvenient, then insulation tube is connected with conducting rod by pipe nipple, by twice
Insulation tube and conducting rod can just link together after connection, reduce working efficiency.
Utility model content
The purpose of this utility model is to provide a kind of fuses, are existed with solving insulation tube and conducting rod in the prior art
It needs that the fuse in insulation tube is first welded together realization with conducting rod before connection and is conductively connected, lead to fuse connection not side
Just the problem of；The purpose of this utility model, which also resides in, provides a kind of fuse assembly and distribution transformer using the fuse.
To achieve the above object, the technical solution of the utility model fuse is:
Fuse includes insulation tube, and first that one end of the insulation tube is equipped with for being electrically connected with high-tension coil outlet is led
Electric part, the insulation tube is interior to be equipped with the fuse being electrically connected with the first conduct piece, the one end of the insulation tube far from the first conduct piece
Equipped with for conducting rod fixing assembling and the second conduct piece for being conductively connected, second conduct piece and fuse be wholely set and
It is conductively connected, the insulation tube is equipped with the step for cooperating with bushing block close to one end of the second conduct piece.
Second conduct piece is the contact tube being located in insulation tube, and the contact tube has for connecting with conducting rod screw thread
The contact tube internal screw thread connect.
The insulation tube includes major diameter section and path section, and first conduct piece and the second conduct piece are arranged at major diameter section
On, major diameter section is arranged in close to one end of the second conduct piece in the path section, the major diameter section and path section formed for height
The step of pressing sleeve pipe block cooperation, the path section is equipped with the path section internal screw thread for being threadedly coupled with conducting rod, described
Path section internal screw thread is connected to the contact tube internal screw thread.
First conduct piece, the second conduct piece and insulation tube one moulding by casting.
First conduct piece includes L-type conductive plate, L-type conductive plate include the first flanging and connect with the first flanging
Two flangings, first flanging are embedded in the insulation tube, and the first flanging is equipped with the mounting hole passed through for fuse, described molten
Silk is electrically connected with the second flanging, and second flanging has far from one end fixing assembling of the first flanging for making fuse and high-voltage line
Iris out the conductive fastener that line realizes electrical connection.
To achieve the above object, the technical solution of the utility model fuse assembly is:
Fuse assembly, including conducting rod and the fuse being electrically connected with conducting rod, the fuse includes insulation tube, institute
The one end for stating insulation tube is equipped with the first conduct piece for be electrically connected with high-tension coil outlet, in the insulation tube equipped with and first
The fuse of conduct piece electrical connection, the insulation tube is equipped with far from one end of the first conduct piece with conducting rod fixing assembling and conduction connects
The second conduct piece connect, second conduct piece are wholely set and are conductively connected with fuse, and the insulation tube is close to the second conduction
One end of part is equipped with the step for cooperating with bushing block.
The conducting rod is equipped with external screw thread, and second conduct piece is the contact tube being located in insulation tube, the conduction
Managing has the contact tube internal screw thread being threadedly coupled with conducting rod.
The insulation tube includes major diameter section and path section, and first conduct piece and the second conduct piece are arranged at major diameter section
On, major diameter section is arranged in close to one end of the second conduct piece in the path section, the major diameter section and path section formed for height
The step of pressing sleeve pipe block cooperation, the path section is equipped with the path section internal screw thread for being threadedly coupled with conducting rod, described
Path section internal screw thread is connected to the contact tube internal screw thread.
First conduct piece, the second conduct piece and insulation tube one moulding by casting.
First conduct piece includes L-type conductive plate, L-type conductive plate include the first flanging and connect with the first flanging
Two flangings, first flanging are embedded in the insulation tube, and the first flanging is equipped with the mounting hole passed through for fuse, described molten
Silk is electrically connected with the second flanging, and second flanging has far from one end fixing assembling of the first flanging for making fuse and high-voltage line
Iris out the conductive fastener that line realizes electrical connection.
To achieve the above object, the technical solution of the utility model distribution transformer is:
Distribution transformer is electrically connected including bushing, the conducting rod being mounted in bushing and with conducting rod
High-tension coil outlet is equipped with fuse between the conducting rod and high-tension coil outlet, the fuse includes insulation tube, described
One end of insulation tube is equipped with the first conduct piece being electrically connected with high-tension coil outlet, is equipped with and the first conduct piece in the insulation tube
The fuse of electrical connection, the insulation tube far from one end of the first conduct piece be equipped with conducting rod fixing assembling and be conductively connected the
Two conduct pieces, second conduct piece are wholely set and are conductively connected with fuse, the insulation tube close to the second conduct piece one
End is equipped with the step cooperated with bushing block.
The conducting rod is equipped with external screw thread, and second conduct piece is the contact tube being located in insulation tube, the conduction
Managing has the contact tube internal screw thread being threadedly coupled with conducting rod.It is embedded in insulation tube convenient for contact tube, while facilitating contact tube
With the connection of conducting rod.
The insulation tube includes major diameter section and path section, and first conduct piece and the second conduct piece are arranged at major diameter section
On, major diameter section is arranged in close to one end of the second conduct piece in the path section, the major diameter section and path section formed for height
The step of pressing sleeve pipe block cooperation, the path section is equipped with the path section internal screw thread for being threadedly coupled with conducting rod, described
Path section internal screw thread is connected to the contact tube internal screw thread.
First conduct piece, the second conduct piece and insulation tube one moulding by casting.Reduce the time of connection, improves
Working efficiency.
First conduct piece includes L-type conductive plate, L-type conductive plate include the first flanging and connect with the first flanging
Two flangings, first flanging are embedded in the insulation tube, and the first flanging is equipped with the mounting hole passed through for fuse, described molten
Silk is electrically connected with the second flanging, and second flanging has far from one end fixing assembling of the first flanging irises out fuse with high-voltage line
Line realizes the conductive fastener of electrical connection.When side of the bushing in fuel tank, conductive fastener is fixed on tap wiring
On plate, the installation and adjustment of high-tension coil outlet are facilitated.
The distribution transformer is three-dimensional winding iron core distribution transformer.
The beneficial effects of the utility model are: compared with prior art, being fixed by being arranged in insulation tube with conducting rod
Assembly and the second conduct piece being conductively connected, facilitate the connection of fuse and conducting rod, improve fuse and connect with conducting rod
When efficiency；It is equipped with the fuse for being wholely set and being conductively connected with the second conduct piece in insulation tube, avoids fuse and conducting rod
Be directly connected to, improve fuse connection stability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the fuse of the distribution transformer of the utility model；
Fig. 2 is the structural schematic diagram of installation site of the fuse in distribution transformer in Fig. 1；
Fig. 3 is the structural schematic diagram of the distribution transformer of the utility model；
Fig. 4 is the top view of Fig. 2.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment of the distribution transformer of the utility model, as shown in Figures 1 to 4, distribution transformer include transformation
Device shell 105, the low-pressure side in transformer shell 105 are equipped with low-voltage circuit breaker 103, and low-voltage circuit breaker 103 is three-phase low-voltage
Oil immersed type, the insulation oil-insulation in transformer shell 105, the high-pressure side in transformer shell 105, which is equipped with, is mounted on high pressing sleeve
Fuse 101 in pipe 102.As shown in figure 3, the secondary low-voltage lines in order to realize manual disjunction transformer, transformer shell
The outer wall of body 105 is equipped with the operating stick 106 that actuating low-voltage circuit breaker 103 acts, and operating stick 106 can be manually real
Existing low-voltage circuit breaker 103 switches in separating brake, combined floodgate and between resetting.If low-voltage circuit breaker is tripped de- due to thermal overload
Button then will be first operated operating stick to reset, and then sub-gate position is arrived in operation, finally closes a floodgate again.On the outer wall of transformer shell 105
Equipped with signal lamp 107 is additionally provided with, when distribution transformer overloads or overheats, 107 signal lamp of signal lamp will shine,
Improper overload has occurred in instruction distribution transformer.As described in Figure 4, transformer shell 105 is equipped with cover board 104, cover board
104 are equipped with bushing 102.
As shown in Fig. 2, part of the bushing 102 in transformer shell 105 is equipped with conducting rod 1, conducting rod 1 and height
Pressing sleeve pipe 102 is threadedly coupled, and fuse 101 is equipped between conducting rod 1 and high-tension coil outlet 108, to guarantee high-pressure side
When failure, the safety of distribution transformer case internal component.As shown in Figure 1, fuse 101 includes insulation tube 2, in the present embodiment
Insulation tube 2 is made of epoxy fibreglass, and in other embodiments, insulation tube is electro-insulating rubber；Insulation tube 2 includes major diameter section and small
Diameter section, the first conduct piece and the second conduct piece 8 are arranged in major diameter section, and path section is arranged in major diameter section close to the second conduct piece
8 one end, major diameter section and path section form the step with the cooperation of 102 block of bushing, and path section is equipped with and 1 spiral shell of conducting rod
The path section internal screw thread of line connection.
The second conduct piece 8 being threadedly coupled with conducting rod 1 is embedded in insulation tube 2, the second conduct piece 8 has and conducting rod
The 1 contact tube internal screw thread being threadedly coupled, path section internal screw thread are connected to contact tube internal screw thread；It is equipped in insulation tube 2 and is led with second
The fuse 3 that electric part 8 is electrically connected, fuse 3 are wholely set with the second conduct piece 8, and the second conduct piece 8 in the present embodiment is conduction
Pipe, is embedded in insulation tube, while facilitating the connection of contact tube and conducting rod convenient for contact tube, in other embodiments, conductive
Part is cylindrical body, and cylindrical body includes major diameter section and path section, and the outer surface of major diameter section and insulation tube form together, path section
Outer peripheral surface is equipped with external screw thread, and corresponding conducting rod is equipped with tubular sections, and the inner wall of tubular sections is equipped with outer with path section
The internal screw thread being threadedly engaged, to realize the connection of fuse and conducting rod, such connection type is complex.Fuse 3 is far from
One end of two conduct pieces 8, which is equipped with, makes fuse 3 realize the first conduct piece being electrically connected, the first conduct piece with high-tension coil outlet 108
Including L-type conductive plate, L-type conductive plate includes the first flanging 7 and the second flanging 4 for connecting with the first flanging 7, and the first flanging 7 is embedding
It is located in insulation tube 2 so that the first conduct piece is fixedly connected with insulation tube 2, the first flanging 7 is equipped with and installs for what fuse 3 passed through
Hole；Fuse 3 is electrically connected with the second flanging 4, and the second flanging 4 is equipped with fixation hole 6 far from one end of the first flanging 7, in fixation hole 6
Being equipped with makes fuse 3 realize the conductive fastener 5 being electrically connected with high-tension coil outlet 108, when bushing is in the side of fuel tank
When, conductive fastener is fixed on tap terminal plate, the installation and adjustment of high-tension coil outlet is facilitated, in other embodiments
In, the first conduct piece can be fusible link pedestal in the prior art.In the present embodiment, conductive fastener 5 is conducting bolt,
In other embodiments, conductive fastener is contact screw, conductive rivet etc..In the present embodiment, the first conduct piece, the second conduct piece
8 and the integrated moulding by casting of insulation tube 2.In the present embodiment, distribution transformer is three-dimensional winding iron core distribution transformer, in other realities
It applies in example, distribution transformer is common distribution transformer.
The specific embodiment of the fuse of the utility model, the tool of fuse and above-mentioned distribution transformer in the present embodiment
The structure of body fuse as described in the examples is identical, and it will not go into details.
The specific embodiment of the fuse assembly of the utility model, fuse assembly and above-mentioned distribution in the present embodiment become
The structure of fuse assembly described in the specific embodiment of depressor is identical, and it will not go into details.
Claims (16)
1. fuse, including insulation tube, first that one end of the insulation tube is equipped with for being electrically connected with high-tension coil outlet is led
Electric part, the insulation tube is interior to be equipped with the fuse being electrically connected with the first conduct piece, it is characterised in that: the insulation tube is led far from first
One end of electric part is equipped with for the second conduct piece with conducting rod fixing assembling and conductive connection, second conduct piece and fuse
It is wholely set and is conductively connected.
2. fuse according to claim 1, it is characterised in that: second conduct piece is the conduction being located in insulation tube
Pipe, the contact tube have the contact tube internal screw thread for being threadedly coupled with conducting rod.
3. fuse according to claim 2, it is characterised in that: the insulation tube includes major diameter section and path section, described
First conduct piece and the second conduct piece are arranged in major diameter section, and major diameter section is arranged in close to the second conduct piece in the path section
One end, the major diameter section and path section form the step for cooperating with bushing block, and the path section is equipped with and is used for
The path section internal screw thread being threadedly coupled with conducting rod, the path section internal screw thread are connected to the contact tube internal screw thread.
4. fuse according to claim 1 or 2 or 3, it is characterised in that: first conduct piece, the second conduct piece with
And insulation tube one moulding by casting.
5. fuse according to claim 4, it is characterised in that: first conduct piece includes L-type conductive plate, and L-type is led
Battery plate includes the first flanging and the second flanging for connecting with the first flanging, and first flanging is embedded in the insulation tube, and
One flanging is equipped with the mounting hole passed through for fuse, and the fuse is electrically connected with the second flanging, and second flanging is far from first
One end fixing assembling of flanging has for making fuse realize the conductive fastener being electrically connected with high-tension coil outlet.
6. fuse assembly, including conducting rod and the fuse being electrically connected with conducting rod, it is characterised in that: the fuse includes
Insulation tube, one end of the insulation tube are equipped with the first conduct piece for being electrically connected with high-tension coil outlet, in the insulation tube
Equipped with the fuse being electrically connected with the first conduct piece, the insulation tube is equipped with and the fixed dress of conducting rod far from one end of the first conduct piece
The second conduct piece matched and be conductively connected, second conduct piece are wholely set and are conductively connected with fuse, and the insulation tube leans on
One end of nearly second conduct piece is equipped with the step for cooperating with bushing block.
7. fuse assembly according to claim 6, it is characterised in that: the conducting rod is equipped with external screw thread, and described the
Two conduct pieces are the contact tube being located in insulation tube, and the contact tube has the conducting rod internal screw thread being threadedly coupled with conducting rod.
8. fuse assembly according to claim 7, it is characterised in that: the insulation tube includes major diameter section and path section,
First conduct piece and the second conduct piece are arranged in major diameter section, and the path section setting is in major diameter section close to the second conduction
One end of part, the major diameter section and path section form the step for cooperating with bushing block, and the path section is equipped with
The path section internal screw thread being threadedly coupled with conducting rod, the path section internal screw thread are connected to the contact tube internal screw thread.
9. fuse assembly described according to claim 6 or 7 or 8, it is characterised in that: first conduct piece, the second conduction
Part and insulation tube one moulding by casting.
10. fuse assembly according to claim 9, it is characterised in that: first conduct piece includes L-type conductive plate, L
Type conductive plate includes the first flanging and the second flanging for connecting with the first flanging, and first flanging is embedded in the insulation tube
Interior, the first flanging is equipped with the mounting hole passed through for fuse, and the fuse is electrically connected with the second flanging, and second flanging is separate
One end fixing assembling of first flanging has for making fuse realize the conductive fastener being electrically connected with high-tension coil outlet.
11. distribution transformer, including bushing, the conducting rod being mounted in bushing and the height being electrically connected with conducting rod
Crimping irises out line, and fuse is equipped between the conducting rod and high-tension coil outlet, it is characterised in that: the fuse includes exhausted
Edge pipe, one end of the insulation tube are equipped with the first conduct piece be electrically connected with high-tension coil outlet, in the insulation tube equipped with
The fuse of first conduct piece electrical connection, the insulation tube are equipped with and conducting rod fixing assembling and lead far from one end of the first conduct piece
Second conduct piece of electrical connection, second conduct piece are wholely set and are conductively connected with fuse, and the insulation tube is close to second
One end of conduct piece is equipped with the step cooperated with bushing block.
12. distribution transformer according to claim 11, it is characterised in that: the conducting rod is equipped with external screw thread, described
Second conduct piece is the contact tube being located in insulation tube, and the contact tube has spiral shell in the contact tube being threadedly coupled with conducting rod
Line.
13. distribution transformer according to claim 12, it is characterised in that: the insulation tube includes major diameter section and path
Section, first conduct piece and the second conduct piece are arranged in major diameter section, and the path section is arranged in major diameter section close to second
One end of conduct piece, the major diameter section and path section form the step with the cooperation of bushing block, and the path section is equipped with
The path section internal screw thread being threadedly coupled with conducting rod, the path section internal screw thread are connected to the contact tube internal screw thread.
14. distribution transformer described in 1 or 12 or 13 according to claim 1, it is characterised in that: first conduct piece, second
Conduct piece and insulation tube one moulding by casting.
15. distribution transformer according to claim 14, it is characterised in that: first conduct piece includes L-type conductive plate,
L-type conductive plate includes the first flanging and the second flanging for connecting with the first flanging, and first flanging is embedded in the insulation tube
Interior, the first flanging is equipped with the mounting hole passed through for fuse, and the fuse is electrically connected with the second flanging, and second flanging is separate
One end fixing assembling of first flanging, which has, makes fuse realize the conductive fastener being electrically connected with high-tension coil outlet.
16. distribution transformer described in 1 or 12 or 13 according to claim 1, it is characterised in that: the distribution transformer is solid
Roll up iron core distribution transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820773271.4U CN208256608U (en) | 2018-05-23 | 2018-05-23 | A kind of fuse and fuse assembly, distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820773271.4U CN208256608U (en) | 2018-05-23 | 2018-05-23 | A kind of fuse and fuse assembly, distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208256608U true CN208256608U (en) | 2018-12-18 |
Family
ID=66481127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820773271.4U Active CN208256608U (en) | 2018-05-23 | 2018-05-23 | A kind of fuse and fuse assembly, distribution transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208256608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511301A (en) * | 2018-05-23 | 2018-09-07 | 河南森源电气股份有限公司 | Fuse and fuse assembly, distribution transformer |
-
2018
- 2018-05-23 CN CN201820773271.4U patent/CN208256608U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511301A (en) * | 2018-05-23 | 2018-09-07 | 河南森源电气股份有限公司 | Fuse and fuse assembly, distribution transformer |
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