CN2547000Y - Fuse capable of indicating after fusing - Google Patents
Fuse capable of indicating after fusing Download PDFInfo
- Publication number
- CN2547000Y CN2547000Y CN 02226697 CN02226697U CN2547000Y CN 2547000 Y CN2547000 Y CN 2547000Y CN 02226697 CN02226697 CN 02226697 CN 02226697 U CN02226697 U CN 02226697U CN 2547000 Y CN2547000 Y CN 2547000Y
- Authority
- CN
- China
- Prior art keywords
- fuse
- shell
- current
- limiting resistance
- fused
- 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
The utility model discloses a fuse with display function when fused, which comprises a shell (1) and a fuse (2). The shell (1) takes the shape of a circular tube, and a display apparatus (3) which is composed of a LBD D and a current-limiting resistance R is positioned in the shell (1). After jointing in series, the LBD D and the current-limiting resistance R are connected with the fuse (2) in parallel, and fixedly connected with both ends of the shell (1), resulting in solving the problem that a fuse is precisely found to be fused broken during the malfunction of current electric apparatus. The device has the advantages of simple structure, significant technology effect and convenient application and maintenance; and is applicable for wide application in various electric apparatus and circuits in housings, offices and public places, vehicles and other transportation tools.
Description
Technical field the utility model relates to the fuse that can show after a kind of fusing.
Background technology is so long as components and parts short circuit in the circuit or leakage current when surpassing the rated value of fuse, and fuse will be fused, and plays a protective role.In the electrical equipment maintenance process, in case being out of order, electrical equipment checks at first unavoidably whether fuse is fused, must take off fuse from circuit detects by an unaided eye, even measure its resistance value with avometer, to judge whether fuse is really fused and the approximate location of apparatus failure, cumbersome like this, thereby need to improve.
The summary of the invention the purpose of this utility model be to provide a kind of simple in structure, effect obviously and make things convenient for that electrical equipment safeguards at fusible link by the fuse that can show after fusing.
In order to achieve the above object, the utility model provides following technical scheme: design the fuse that can show after a kind of fusing, comprise shell (1) and fusible link (2), shell (1) is cylindrical, also have the display device of being made up of light-emitting diode D and current-limiting resistance R (3) in the described shell (1), light-emitting diode D is with fusible link (2) parallel connection and with the two ends of shell (1) with current-limiting resistance R series connection back fixedlys connected.The resistance value of described current-limiting resistance R is 55 ± 5K ohm, because the voltage of light-emitting diode D is generally about 3V, the size of resistance directly influences the height of circuit voltage, crosses conference as resistance and causes light-emitting diode D luminosity deficiency, otherwise then can cause light-emitting diode D to burn.
Compared with prior art, the utlity model has simple in structure, technique effect obviously and use and advantage such as easy to maintenance, after-current makes lumination of light emitting diode through the formation of the circuit in electrical appliance and fuse tube loop because fusible link is fused, can know and judge exactly whether fusible link is fused, save the time of judging the fuse quality.
Be drawing explanation of the present utility model below the description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of existing fuse.
Among Fig. 1 and Fig. 2, the 1st, shell, the 2nd, fusible link, D are light-emitting diodes, R is a current-limiting resistance, the 3rd, the display device of forming by light-emitting diode D and current-limiting resistance R.
By specific embodiment the utility model is carried out more detailed description below the embodiment:
With reference to Fig. 1, also have the display device of forming by light-emitting diode D and current-limiting resistance R (3) in the shell (1), light-emitting diode D is with fusible link (2) parallel connection and with the two ends of shell (1) with current-limiting resistance R series connection back fixedlys connected.
Claims (1)
1, the fuse that can show after a kind of fusing, comprise shell (1) and fusible link (2), shell (1) is cylindrical, it is characterized in that: also have the display device of being made up of light-emitting diode D and current-limiting resistance R (3) in the shell (1), light-emitting diode D is with fusible link (2) parallel connection and with the two ends of shell (1) with current-limiting resistance R series connection back fixedlys connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02226697 CN2547000Y (en) | 2002-04-05 | 2002-04-05 | Fuse capable of indicating after fusing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02226697 CN2547000Y (en) | 2002-04-05 | 2002-04-05 | Fuse capable of indicating after fusing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2547000Y true CN2547000Y (en) | 2003-04-23 |
Family
ID=33703644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02226697 Expired - Fee Related CN2547000Y (en) | 2002-04-05 | 2002-04-05 | Fuse capable of indicating after fusing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2547000Y (en) |
-
2002
- 2002-04-05 CN CN 02226697 patent/CN2547000Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |