CN207441646U - For the indicating lamp component and DC fuse of DC fuse - Google Patents
For the indicating lamp component and DC fuse of DC fuse Download PDFInfo
- Publication number
- CN207441646U CN207441646U CN201721465591.5U CN201721465591U CN207441646U CN 207441646 U CN207441646 U CN 207441646U CN 201721465591 U CN201721465591 U CN 201721465591U CN 207441646 U CN207441646 U CN 207441646U
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- Prior art keywords
- indicator light
- fuse
- indicating lamp
- lamp component
- shunt resistance
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Abstract
The utility model discloses a kind of indicating lamp components and DC fuse for DC fuse, indicating lamp component includes the wiring board with power input and power output end, indicator light and shunt resistance are serially connected on wiring board between power input and power output end, paster LED of the indicator light for attachment in the circuit board, Chip-R of the shunt resistance for attachment in the circuit board.Indicating lamp component and DC fuse in the utility model it is rational in infrastructure, automatic pasting technique can be utilized to mount indicator light and shunt resistance in the circuit board in processing, production capacity be substantially increased, so as to reduce cost；The indicator light described in two that further setting cathode and anode directions are opposite and parallel with one another in indicating lamp component, just do not have to distinguish positive and negative anodes so when indicating lamp component is installed, as long as by indicating lamp component series connection in circuit, total cathode and anode directions there are one paster LED be to, so as to ensure that the convenience of indicating lamp component installation.
Description
Technical field
The utility model is related to a kind of indicating lamp components and DC fuse for DC fuse, belong to direct current fusing
Device field of structural design.
Background technology
A kind of fuse is disclosed in patent document CN2194033Y, by housing, fuse-link, contact chip, fuse-link clamping frame,
The compositions such as inner cover plate and its binding post are terminated with a diverter branch being made of current-limiting resistance and neon bulb the two of fuse-link,
The branch is in parallel operation state with fuse-link.Problem present in above-mentioned existing fuse is, on the one hand by current-limiting resistance
Can only be by manual operation in assembling with the indicating lamp component that neon bulb connects and composes, work efficiency is low, and cost of labor is higher.It is comprehensive
Upper described, the structure of existing indicating lamp component also has can improvements.
Utility model content
In this regard, the utility model is intended to provide a kind of indicating lamp component and direct current for DC fuse rational in infrastructure
Fuse, the indicating lamp component can utilize automatic pasting technique that indicator light and shunt resistance are mounted assist side in processing
On, production capacity is substantially increased, so as to reduce cost.
Realizing the technical solution of the utility model aim is：
A kind of indicating lamp component for DC fuse, including the circuit with power input and power output end
Plate is serially connected with indicator light and shunt resistance, institute on the wiring board between the power input and the power output end
It is the paster LED being mounted on the wiring board to state indicator light, and the shunt resistance is the patch being mounted on the wiring board
Resistance.
In above-mentioned technical proposal, the quantity of the shunt resistance is two, is referred to as the first shunt resistance and second point
Leakage resistance, the quantity of the indicator light is two, is referred to as the first indicator light and the second indicator light, first shunt resistance
First end be electrically connected with the power input, the anode of the second end of first shunt resistance and first indicator light
It is electrically connected with the cathode of second indicator light, the anode of the cathode of first indicator light and second indicator light is and institute
The first end electrical connection of the second shunt resistance is stated, the second end of second shunt resistance is electrically connected the power output end.
In above-mentioned technical proposal, which further includes mounting base, and the wiring board is loaded in mounting base, the peace
The both ends for filling seat are equipped with stainless steel shrapnel, and two stainless steel bomb pieces are electrically connected respectively with the power input and the power output end
It connects.
A kind of DC fuse, including shell block and loaded on the cover at the top of the shell block, the cover inside has first
Installation cavity and the second installation cavity are equipped with fuse-link in first installation cavity, are equipped in second installation cavity described
The electrode of indicating lamp component, the power input and the power output end respectively with the fuse-link both ends is electrically connected, institute
The opening for stating the second installation cavity is equipped with capping, and position corresponding with indicator light is equipped with optical transmission window in the cover.
In above-mentioned technical proposal, Elastic buckle is formed in the capping, the opening forms and the elastic card
The button hole that snap fit is closed.
The utility model has positive effect：(1) indicating lamp component in the utility model processing when using from
Dynamic paster technique mounts indicator light and shunt resistance in the circuit board, production capacity is substantially increased, so as to reduce cost.(2)
In the utility model, the instruction described in two opposite and parallel with one another due to being provided with cathode and anode directions in indicating lamp component
Lamp does not just have to distinguish positive and negative anodes so when indicating lamp component is installed, as long as by indicating lamp component series connection in circuit, always having
The cathode and anode directions of one paster LED be to, so as to ensure that the convenience of indicating lamp component installation, and actually using
In the process, when the damage of one of indicator light, in the case of another indicator light is normal, counter fill of indicating lamp component can be made just
Normal indicator light access circuit relay continues use.
Description of the drawings
Fig. 1 is the structure diagram of indicating lamp component in the utility model；
Fig. 2 is the electrical schematic diagram of indicating lamp component shown in Fig. 1；
Fig. 3 is the structure diagram of the indicating lamp component with mounting base；
Fig. 4 is the structure diagram of fuse in the utility model；
Fig. 5 is cover and the assembled view of indicating lamp component in the utility model；
Fig. 6 is the structure diagram of cover in the utility model.
Reference numeral is shown in figure：1- power inputs；2- power output ends；3- wiring boards；The first shunt resistances of 4-；
The second shunt resistances of 5-；The first indicator lights of 6-；The second indicator lights of 7-；8- mounting bases；9- stainless steel shrapnels；10- shell blocks；11- is covered
Body；The first installation cavitys of 12-；The second installation cavitys of 13-；131- button holes；14- is covered；141- Elastic buckles；15- optical transmission windows.
Specific embodiment
The concrete structure in the utility model is done with explanation with reference to Figure of description：
Embodiment 1
A kind of indicating lamp component for DC fuse, as shown in the figure, including being exported with power input 1 and power supply
2 wiring board 3 is held, indicator light is serially connected between the power input 1 and the power output end 2 on the wiring board 3
And shunt resistance, the indicator light are the paster LED being mounted on the wiring board 3, the shunt resistance is described to be mounted on
Chip-R on wiring board 3.Indicating lamp component in the present embodiment can utilize automatic pasting technique in processing by indicator light
With shunt resistance attachment in the circuit board, production capacity is substantially increased, so as to reduce cost.Patch can be selected in the paster LED
Light emitting diode.
Further, since direct current has fixed positive and negative anodes, if in practical operation that paster LED positive and negative anodes are reversed straight
In current circuit, LED light will not shine always, and the installation of indicating lamp component will be so considered when installing indicating lamp component
Direction, and then be unfavorable for the raising of work efficiency, therefore in the present embodiment, referring specifically to shown in Fig. 1 and Fig. 2, the shunting
The quantity of resistance is two, is referred to as the first shunt resistance 4 and the second shunt resistance 5, and the quantity of the indicator light is two,
It is referred to as the first indicator light 6 and the second indicator light 7, the first end of first shunt resistance 4 and 1 electricity of power input
Connection, the second end of first shunt resistance 4 and the anode of first indicator light 6 and the cathode of second indicator light 7
Electrical connection, the anode of the cathode of first indicator light 6 and second indicator light 7 with second shunt resistance 5 the
One end is electrically connected, and the second end of second shunt resistance 5 is electrically connected the power output end 2, due to the instruction of the present embodiment
The indicator light described in opposite and parallel with one another two of cathode and anode directions is provided in lamp group part, is so pacified by indicating lamp component
Just do not have to distinguish positive and negative anodes during dress, as long as by indicating lamp component series connection in circuit, total cathode and anode directions there are one paster LED
Be to, so as to ensure that the convenience of indicating lamp component installation, and in actual use, when one of indicator light
Counter fill of indicating lamp component in the case of another indicator light is normal, can be made normal indicator light access circuit relay by damage
It is continuous to use.
As being further improved for above-described embodiment, referring to shown in Fig. 3, which further includes mounting base 8, described
For wiring board 3 loaded in mounting base 8, the both ends of the mounting base 8 are equipped with stainless steel shrapnel 9, two stainless steel bomb pieces 9 respectively with it is described
Power input 1 and the power output end 2 are electrically connected, and pass through two stainless steel bomb pieces when above-mentioned indicating lamp component is installed and used
9 electrode elastic respectively with fuse-link both ends is contacted so as to fulfill electrical connection.
Can be used following component in indicating lamp component in the present embodiment, the resistance value of single shunt resistance for 750K Ω ±
5%, resistor power is：1/4W；1206 encapsulation；Paster LED specification：2~2.3V of rated voltage, rated power 60mW, 0805 envelope
Dress, feux rouges.
Embodiment 2
A kind of DC fuse, as shown in Figures 4 to 6, the cover including shell block 10 and loaded on 10 top of shell block
11,11 inside of cover has the first installation cavity 12 and the second installation cavity 13, and fusing is equipped in first installation cavity 12
Body is equipped with the indicating lamp component, the power input 1 and the power output end 2 in second installation cavity 13
The electrode with the fuse-link both ends is electrically connected respectively, and the opening of second installation cavity 13 is equipped with capping 14, the cover 11
Upper position corresponding with indicator light is equipped with optical transmission window 15.Using the above structure, indicating lamp component is connected in parallel on circuit with fuse-link
In, when fuse-link normally, indicator light does not shine, and when fuse-link is blown, indicator light, which shines to play fusing, to be referred to
It is shown as using.
In the present embodiment, Elastic buckle 141 is formed in the capping 14, the opening forms and the elastic card
The button hole 131 of 141 cooperation of button is coordinated with the button hole 131 by the Elastic buckle 141 in the capping 14 and consolidates capping 14
The opening is scheduled on, and indicating lamp component is limited in the second installation cavity 13.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.And the obvious changes or variations that these connotations for belonging to the utility model are extended out still falls within this practicality
New protection domain.
Claims (5)
1. a kind of indicating lamp component for DC fuse, which is characterized in that including defeated with power input (1) and power supply
The wiring board (3) of outlet (2), on the wiring board (3) between the power input (1) and the power output end (2)
Indicator light and shunt resistance are serially connected with, the indicator light is the paster LED being mounted on the wiring board (3), the shunting electricity
Hinder the Chip-R being mounted on the wiring board (3).
2. the indicating lamp component according to claim 1 for DC fuse, which is characterized in that the shunt resistance
Quantity is two, is referred to as the first shunt resistance (4) and the second shunt resistance (5), and the quantity of the indicator light is two, point
Also known as make the first indicator light (6) and the second indicator light (7), first end and the power input of first shunt resistance (4)
(1) electrical connection is held, the second end of first shunt resistance (4) refers to the anode of first indicator light (6) and described second
Show the cathode electrical connection of lamp (7), the cathode of first indicator light (6) and the anode of second indicator light (7) with it is described
The first end electrical connection of second shunt resistance (5), the second end of second shunt resistance (5) are electrically connected the power output end
(2)。
3. the indicating lamp component according to claim 2 for DC fuse, which is characterized in that the indicating lamp component is also
Including mounting base (8), for the wiring board (3) loaded in mounting base (8), the both ends of the mounting base (8) are equipped with stainless steel shrapnel
(9), two stainless steel bomb pieces (9) are electrically connected respectively with the power input (1) and the power output end (2).
4. a kind of DC fuse, which is characterized in that including shell block (10) and loaded on the cover (11) at the top of the shell block (10),
On the inside of the cover (11) there is the first installation cavity (12) and the second installation cavity (13), be equipped in first installation cavity (12)
Fuse-link, the interior indicating lamp component being equipped with described in claim 1 or 2 of second installation cavity (13), the power input
The electrode of (1) and the power output end (2) respectively with the fuse-link both ends is held to be electrically connected, second installation cavity (13)
Opening is equipped with capping (14), and position corresponding with indicator light is equipped with optical transmission window (15) on the cover (11).
5. DC fuse according to claim 4, which is characterized in that form Elastic buckle on the capping (14)
(141), the opening forms the button hole (131) with the Elastic buckle (141) cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721465591.5U CN207441646U (en) | 2017-11-06 | 2017-11-06 | For the indicating lamp component and DC fuse of DC fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721465591.5U CN207441646U (en) | 2017-11-06 | 2017-11-06 | For the indicating lamp component and DC fuse of DC fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207441646U true CN207441646U (en) | 2018-06-01 |
Family
ID=62291213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721465591.5U Active CN207441646U (en) | 2017-11-06 | 2017-11-06 | For the indicating lamp component and DC fuse of DC fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207441646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706068A (en) * | 2017-11-06 | 2018-02-16 | 温州三实电器有限公司 | Indicating lamp component and DC fuse for DC fuse |
-
2017
- 2017-11-06 CN CN201721465591.5U patent/CN207441646U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706068A (en) * | 2017-11-06 | 2018-02-16 | 温州三实电器有限公司 | Indicating lamp component and DC fuse for DC fuse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: 325604 xirentang village, Liushi Town, Leqing City, Wenzhou City, Zhejiang Province Patentee after: Sanshi Electric Appliance Co.,Ltd. Address before: 325604 xirentang village, Liushi Town, Yueqing City, Zhejiang Province Patentee before: WENZHOU SANSHI ELECTRIC Co.,Ltd. |