CN205846710U - A kind of protection device of fuse - Google Patents
A kind of protection device of fuse Download PDFInfo
- Publication number
- CN205846710U CN205846710U CN201620558659.3U CN201620558659U CN205846710U CN 205846710 U CN205846710 U CN 205846710U CN 201620558659 U CN201620558659 U CN 201620558659U CN 205846710 U CN205846710 U CN 205846710U
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- CN
- China
- Prior art keywords
- fuse
- protection device
- sleeve
- wire
- connects
- 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.)
- Expired - Fee Related
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Abstract
This utility model relates to the protection device of a kind of power domain, particularly relates to the protection device of a kind of fuse.Including a sleeve and fuse, fuse is installed in sleeve；Alloy melt, is built in fuse；Two blockings are individually fixed in the top and bottom of sleeve inner；First spring, connects fuse and the upper end of sleeve inner；Second spring, connects fuse and the lower end of sleeve inner；The temperature-detecting device being located in sleeve, in order to detect the temperature in sleeve；Two conductive clamps, contact with two blockings respectively；Upper lead-in wire, connecting line trackside；Lower lead-in wire, connects load-side；Also including a display lamp, display lamp connects lower lead-in wire, for the duty of indicating fuse.This utility model is easy to use, rational in infrastructure, good insulation preformance, and explosion-proof capabilities is strong, and the sleeve pipe used effectively prevent the danger of the voltage transformer short circuit caused in conventional fuse blast process in high-tension switch cabinet because powder body sputtering.
Description
Technical field
This utility model relates to the protection device of a kind of power domain, particularly relates to the protection device of a kind of fuse.
Background technology
Use high-tension switch cabinet that circuit is led in power system generating, transmission of electricity, distribution, electric energy conversion and consumption
Breaking, control or protect, the core of high-tension switch cabinet is mounted in the fuse that it is internal, and fuse is as simplest protection electricity
Gas, can protect electrical equipment against the infringement of overcurrent.Its structure includes melt, shell and bearing etc., in cartridge fuse with
Quartz sand particulate is filled, and has least a portion of plenum space.Melt is made compared with the metal material at the end with fusing point, is series at and is protected
Circuit in, when overload occurs, melt heating is melted rapidly, cuts off circuit, reaches to protect purpose.But, due to electrical network not
Stablize and the uneven reason of fuse quality so that cannot prevent to stop the generation of accident, especially in fuse mistake
Under stream mode, pre arcing time is long, explodes after producing amount of heat, and fuse metal pile head is exposed simultaneously, there is tip and puts
The probability of electricity, is easily caused high-tension switch cabinet puncture short, causes tripping operation.
Utility model content
The problems referred to above existed for currently available technology, this utility model provides the protection device of a kind of fuse.
The technical scheme that this utility model solution technical problem is used is:
The protection device of a kind of fuse, is applied in high-tension switch cabinet, and described protection device includes a sleeve, and
Fuse, described fuse is installed in described sleeve；
Alloy melt, is built in described fuse；
Two blockings, said two blocking is individually fixed in the top and bottom of described sleeve inner；
First spring, described first spring connects described fuse and the upper end of described sleeve inner, described to compress
Fuse；
Second spring, described second spring connects described fuse and the lower end of described sleeve inner, described to compress
Fuse；
Temperature-detecting device, described temperature-detecting device is located in described sleeve, with the upper end of described sleeve inner and under
End connects, in order to detect the temperature in described sleeve；
Two conductive clamps, each described conductive clamp connects the described blocking of correspondence respectively；
Upper lead-in wire, draws from the upper end of described sleeve inner, to connect the line side of described protection device；
Lower lead-in wire, draws from the lower end of described sleeve inner, to connect the load-side of described protection device；
Display lamp, described display lamp connects described lower lead-in wire, for indicating the duty of described fuse.
Preferably, described blocking is O-ring seal.
Preferably, the color of described display lamp is changed along with the size of current in fuse.
Preferably, also including an alarm device, described alarm device connects described lower lead-in wire, in order to when described temperature detection
When temperature in device detection sleeve exceedes a certain predetermined threshold value, report to the police.
Preferably, the electric current in described fuse can also be reported to the police by described alarm device, when described fuse
In electric current when reaching predetermined threshold value, alarm activation is reported to the police.
Preferably, the part contacted at the top and bottom of described sleeve inner and with described blocking is provided with interior spiral shell
Stricture of vagina, in order to fixing described blocking.
Preferably, also include that a switch, described switch are connected to described lower lead-in wire, for cutting off the work of described fuse
Make.
Preferably, described alloy melt is made up of copper sheet.
Preferably, described sleeve is made from an insulative material.
Preferably, described insulant is epoxy resin and/or glass tubing fiber.
The beneficial effects of the utility model: this utility model is easy to use, rational in infrastructure, good insulation preformance, explosion-proof capabilities
By force, the sleeve pipe used effectively prevent in conventional fuse blast process and causes the electricity in high-tension switch cabinet because powder body sputtering
The danger of pressure transformer short circuit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as of the present utility model
Limit.
It is illustrated in figure 1 the protection device of a kind of fuse 5 of the present utility model, is applied in high-voltage switch gear 13 cabinet, should
Protection device includes sleeve 4, fuse 5, alloy melt 11, blocking 2, spring, temperature-detecting device 9, conductive clamp, upper lead-in wire 1,
Lower lead-in wire 8, alarm device 10 and display lamp 6.Fuse 5 is installed in sleeve 4, places one and be made up of copper sheet in fuse 5
Alloy melt 11.Two blockings 2 are individually fixed in the top and bottom within sleeve 4, in order to fasten blocking 2, in sleeve 4
The part contacted at the top and bottom in portion and with described blocking 2, arranges female thread, wherein, and the shape of female thread and envelope
The shape of plug 2 is suitable.Two conductive clamps, any one conductive clamp contacts with one of them blocking 2 and is connected.Two springs,
First spring 3 connects the upper end within fuse 5 and sleeve 4；Under second spring 7 connects within fuse 5 and sleeve 4
End, two springs are all to compress fuse 5, and convenient taking-up is changed.Upper from the upper end outconnector trackside within sleeve 4
Lead-in wire 1；The lower lead-in wire 8 connecting load-side is drawn from the lower end within sleeve 4.Additionally, be also equipped with detecting sleeve in sleeve 4
The temperature-detecting device 9 of 4 internal temperatures, the two ends of temperature-detecting device 9 connect lead-in wire 1 and lower lead-in wire 8 respectively, in order to detect
Temperature in sleeve 4.Also including an alarm device 10, alarm device 10 connects lower lead-in wire 8, in order to examine when temperature-detecting device 9
When temperature in survey sleeve 4 exceedes a certain predetermined threshold value, report to the police.This alarm device 10 can also be in fuse 5
Electric current is reported to the police, and when the electric current in fuse 5 reaches predetermined threshold value, alarm device 10 starts reports to the police.
The preferred embodiment of this utility model, above-mentioned blocking 2 is O-ring seal.
The preferred embodiment of this utility model, also includes a display lamp 6, and display lamp 6 connects lower lead-in wire 8, is used for referring to
Show the duty of fuse 5, and when fuse 5 normally works, the color of display lamp 6 is along with the electric current in fuse 5
Size is changed.Such as when electric current is increasing, the color of display lamp 6 can be corresponding with color according to default electric current
Grade is become peony by light yellow gradually intensification.
The preferred embodiment of this utility model, also includes that a switch 13, switch 13 are connected to lower lead-in wire 8, are used for cutting
The work of disconnected fuse 5, when it is replaced by needs taking-up fuse 5, with roof-cut resistence 13, thus can be safely extracted out
Fuse 5.
The preferred embodiment of this utility model, sleeve 4 is made from an insulative material, insulant be epoxy resin and/
Or glass tubing fiber.
The foregoing is only this utility model preferred embodiment, not thereby limit embodiment of the present utility model and
Protection domain, to those skilled in the art, it should in can appreciate that all utilization this utility model description and diagram
Hold the scheme obtained by the equivalent made and obvious change, all should be included in protection model of the present utility model
In enclosing.
Claims (10)
1. a protection device for fuse, is applied in high-tension switch cabinet, it is characterised in that described protection device includes a set of
Cylinder, and
Fuse, described fuse is installed in described sleeve；
Alloy melt, is built in described fuse；
Two blockings, said two blocking is individually fixed in the top and bottom of described sleeve inner；
First spring, described first spring connects described fuse and the upper end of described sleeve inner, to compress described fusing
Device；
Second spring, described second spring connects described fuse and the lower end of described sleeve inner, to compress described fusing
Device；
Temperature-detecting device, described temperature-detecting device is located in described sleeve, connects with the top and bottom of described sleeve inner
Connect, in order to detect the temperature in described sleeve；
Two conductive clamps, each described conductive clamp connects the described blocking of correspondence respectively；
Upper lead-in wire, draws from the upper end of described sleeve inner, to connect the line side of described protection device；
Lower lead-in wire, draws from the lower end of described sleeve inner, to connect the load-side of described protection device；
Display lamp, described display lamp connects described lower lead-in wire, for indicating the duty of described fuse.
The protection device of fuse the most according to claim 1, it is characterised in that described blocking is O-ring seal.
The protection device of fuse the most according to claim 1, it is characterised in that the color of described display lamp is along with fusing
Size of current in device is changed.
The protection device of fuse the most according to claim 1, it is characterised in that also include an alarm device, described report
Alarm device connects described lower lead-in wire, exceedes a certain predetermined threshold value in order to the temperature in detecting sleeve when described temperature-detecting device
Time, report to the police.
The protection device of fuse the most according to claim 4, it is characterised in that described alarm device can also be to described
Electric current in fuse is reported to the police, and when the electric current in described fuse reaches predetermined threshold value, alarm activation is reported to the police.
The protection device of fuse the most according to claim 1, it is characterised in that the upper end of described sleeve inner and under
The part contacted at end and with described blocking is provided with female thread, in order to fixing described blocking.
The protection device of fuse the most according to claim 1, it is characterised in that also include a switch, described switch is even
It is connected to described lower lead-in wire, for cutting off the work of described fuse.
The protection device of fuse the most according to claim 1, it is characterised in that described alloy melt is by copper sheet system
Become.
The protection device of fuse the most according to claim 1, it is characterised in that described sleeve is made from an insulative material.
The protection device of fuse the most according to claim 9, it is characterised in that described insulant is epoxy resin
And/or glass tubing fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620558659.3U CN205846710U (en) | 2016-06-08 | 2016-06-08 | A kind of protection device of fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620558659.3U CN205846710U (en) | 2016-06-08 | 2016-06-08 | A kind of protection device of fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205846710U true CN205846710U (en) | 2016-12-28 |
Family
ID=58152796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620558659.3U Expired - Fee Related CN205846710U (en) | 2016-06-08 | 2016-06-08 | A kind of protection device of fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205846710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799289A (en) * | 2017-10-21 | 2018-03-13 | 吉韦龙 | A kind of voltage transformer |
-
2016
- 2016-06-08 CN CN201620558659.3U patent/CN205846710U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799289A (en) * | 2017-10-21 | 2018-03-13 | 吉韦龙 | A kind of voltage transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20170608 |