CN206293063U - A kind of demonstration device for action of fuse - Google Patents
A kind of demonstration device for action of fuse Download PDFInfo
- Publication number
- CN206293063U CN206293063U CN201621040282.9U CN201621040282U CN206293063U CN 206293063 U CN206293063 U CN 206293063U CN 201621040282 U CN201621040282 U CN 201621040282U CN 206293063 U CN206293063 U CN 206293063U
- Authority
- CN
- China
- Prior art keywords
- fuse
- casing
- branch road
- electrically connected
- tie point
- 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 kind of demonstration device for action of fuse, including casing and demonstration board, the screw top of casing is fixed with demonstration board, connection hole is provided with demonstration board, circuit places groove and indicator lamp, circuit is placed in groove and is placed with tie point and the second branch road respectively, slide rheostat is electrically connected with tie point, two binding posts and ammeter are electrically connected with second branch road, standing screw is provided with binding post, standing screw and binding post are threadedly coupled, fuse is provided between adjacent binding post, the top of the second branch road is provided with protective cover, protective cover is connected by hinge with demonstration board, casing is connected by hinge with case lid, portable is provided with case lid, case lid is fixed by buckle with casing, battery is provided with casing.The utility model is convenient for carrying, easy to use, can get information about electric current during blown fuse, using safety, product effect displaying can be carried out to client.
Description
Technical field
The utility model is related to a kind of demonstration device, more particularly to a kind of demonstration device for action of fuse.
Background technology
Fuse (fuse) is also referred to as current insurance silk, and it is defined as IEC127 standards " fuse-link (fuse-
link)".It has been mainly overload protective function.When electric current flows through it, it will generate heat, and increase over time its heating
Amount is also increasing.Electric current determines the speed for producing heat with the size of resistance, and the construction of fuse is true with the situation that it is installed
The speed of heat dissipation is determined, if produce the speed of heat less than the speed that heat dissipates, fuse will not fuse.If
When producing the speed of heat to be equal to the speed that heat dissipates, it will not also fuse within considerable time.If producing heat
When speed is more than the speed that heat dissipates, then the heat of generation will be more and more.Again because it has a constant specific heat and quality,
The increase of its heat just shows in the rising of temperature that fuse just there occurs when temperature is increased to more than the fusing point of fuse
Fusing.Here it is the operation principle of fuse.During the manufacturing of fuse, it would be desirable to carry out reality to fuse
Test, to detect the production qualification rate of fuse and understand the blowout current of fuse, but existing fuse test equipment, no
It is convenient for carrying, in-convenience in use, it is impossible to enough displayings that product effect is carried out to client.
Utility model content
The technical problems to be solved in the utility model is to overcome existing fuse test equipment, it has not been convenient to carries, uses
It is inconvenient, it is impossible to a kind of enough defects that product effect displaying is carried out to client, there is provided demonstration device for action of fuse, so as to solve
State problem.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：
A kind of demonstration device for action of fuse of the utility model, including casing and demonstration board, the screw top of the casing are consolidated
Surely there is the demonstration board, connection hole, circuit are provided with the demonstration board and place groove and indicator lamp, the circuit is placed
Tie point and the second branch road are placed with respectively in groove, are electrically connected with slide rheostat in the tie point, described the
Two binding posts and ammeter are electrically connected with two branch roads, standing screw, the standing screw are provided with the binding post
With binding post threaded connection, the adjacent wiring intercolumniation is provided with fuse, and the top of second branch road is provided with anti-
Shield, the protective cover is connected by hinge with the demonstration board, and the casing is connected by hinge with case lid, on the case lid
Portable is provided with, the case lid is fixed by buckle with casing, battery is provided with the casing, set on the casing
The avris for having power control switch, the casing is provided with indent in the instrument cases of the casing.
Used as a kind of optimal technical scheme of the present utility model, the tie point and second branch circuit parallel connection can
Change the electric current in tie point and the second branch road.
Used as a kind of optimal technical scheme of the present utility model, the ammeter is connected in second branch road, electric current
Table is able to detect that the electric current of fuse.
Used as a kind of optimal technical scheme of the present utility model, the positive pole of the battery is electrically connected with the power supply
Switch, the power control switch is electrically connected with the indicator lamp, the indicator lamp respectively with the tie point and described the
Two branch roads are electrically connected with, and the tie point and second branch road are electrically connected with the negative pole of the battery.
Used as a kind of optimal technical scheme of the present utility model, the fuse is connected in second branch road.
Compared with prior art, the beneficial effects of the utility model are：This kind of demonstration device for action of fuse, by what is set
Slide rheostat, can change resistance, cause the change of the electric current in the second branch road, so that change the electric current in tie point,
By the detection of ammeter, will be understood that by the electric current of fuse, can directly observe the blowout current of fuse
Size, and fuse safety effect, by set protective cover, when being prevented from blown fuse, the injury to human body,
By the instrument cases for setting, circuit fastening means, the convenient installation to fuse, this kind of action of fuse demonstration can be placed
Device, is convenient for carrying, easy to use, can get information about electric current during blown fuse, using safety, client can be entered
Row product effect shows.
Brief description of the drawings
Accompanying drawing is used for providing being further understood to of the present utility model, and constitutes a part for specification, with this practicality
New embodiment is used to explain the utility model together, does not constitute to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of casing described in the utility model；
Fig. 3 is circuit connection diagram of the present utility model；
In figure：1st, demonstration board；2nd, slide rheostat；3rd, tie point；4th, indicator lamp；5th, protective cover；6th, the second branch road；7、
Ammeter；8th, binding post；9th, fuse；10th, standing screw；11st, connection hole；12nd, circuit places groove；13rd, buckle；
14th, portable；15th, case lid；16th, hinge；17th, battery；18th, casing；19th, instrument cases；20th, power control switch.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment, based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model discloses a kind of technical scheme：A kind of demonstration device for action of fuse, including casing
18 and demonstration board 1, the screw top of casing 18 is fixed with demonstration board 1, connection hole 11, circuit is provided with demonstration board 1 and is put
Groove 12 and indicator lamp 4 are put, circuit is placed in groove 12 and is placed with the branch road 6 of tie point 3 and second respectively, in tie point 3
Slide rheostat 2 is electrically connected with, two binding posts 8 and ammeter 7 are electrically connected with the second branch road 6, set on binding post 8
There is standing screw 10, standing screw 10 and binding post 8 are threadedly coupled, fuse 9, the second branch road 6 are provided between adjacent binding post 8
Top be provided with protective cover 5, protective cover 5 is connected by hinge 16 with demonstration board 1, and casing 18 is connected by hinge 16 with case lid 15
Connect, be provided with case lid 15 it is portable 14, case lid 15 is fixed by buckle 13 with casing 18, is provided with battery in casing 18
17, power control switch 20 is provided with casing 18, the avris of casing 18 is provided with indent in the instrument cases 19 of casing 18.First
Branch road 3 is in parallel with the second branch road 6, can change the electric current in the branch road 6 of tie point 3 and second.Ammeter 7 is connected on second
In road 6, ammeter 7 is able to detect that the electric current of fuse 9.The positive pole of battery 17 is electrically connected with power control switch 20, electricity
Source controlling switch 20 is electrically connected with indicator lamp 4, and indicator lamp 4 is electrically connected with the branch road 6 of tie point 3 and second respectively, first
The branch road 6 of road 3 and second is electrically connected with the negative pole of battery 17.Fuse 9 is connected in the second branch road 6.
When using, the connection of electrical circuit can be carried out by connection hole 11, after connection is finished, can be by power supply control
System switch 20 controls the transmission of the electric power of battery 17, it would be desirable to which the fuse 9 of detection is arranged on binding post 8, by fixed spiral shell
Bar 10 is fixed, and closes protective cover 5, and power-on controlling switch 20, by mobile slide rheostat 2, changes in tie point 3
Electric current, according to the principle of parallel shunt, makes the electric current in the second branch road 6 equally change, and by ammeter 7, is able to detect that logical
The electric current of fuse 9 is crossed, when electric current exceedes the resistance of fuse 9, fuse 9 disconnects such that it is able to get information about molten
The size of stream is powered off, protective cover 5 is transparent shield, after finishing, fix casing 18 and case lid 15 by buckle 13 and connect
Connect, circuit fastening means is placed in instrument cases 19, carried 14 by portable.
This kind of demonstration device for action of fuse, by the slide rheostat for setting, can change resistance, in causing the second branch road
Electric current change so that the electric current in changing tie point, by the detection of ammeter, will be understood that by fuse
Electric current, can directly observe fuse blowout current size, and fuse safety effect, by set protection
Cover, when being prevented from blown fuse, the injury to human body, by the instrument cases for setting, can place circuit fastening means, side
Just to the installation of fuse, this kind of demonstration device for action of fuse is convenient for carrying, easy to use, can get information about insurance
Electric current during silk fusing, using safety, can carry out product effect displaying to client.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this is not limited to
Utility model, although being described in detail to the utility model with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Equivalent is carried out, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc.,
Should be included within protection domain of the present utility model.
Claims (5)
1. a kind of demonstration device for action of fuse, including casing (18) and demonstration board (1), it is characterised in that the casing (18)
Screw top is fixed with the demonstration board (1), connection hole (11), circuit is provided with the demonstration board (1) and places groove
(12) and indicator lamp (4), the circuit is placed in groove (12) and is placed with tie point (3) and the second branch road (6) respectively, described
Slide rheostat (2) is electrically connected with tie point (3), two binding posts (8) are electrically connected with second branch road (6)
With ammeter (7), standing screw (10), the standing screw (10) and the binding post (8) are provided with the binding post (8)
Fuse (9) is provided between threaded connection, the adjacent binding post (8), the top of second branch road (6) is provided with protective cover
(5), the protective cover (5) is connected by hinge (16) with the demonstration board (1), and the casing (18) is by hinge (16) and case
Lid (15) connection, is provided with portable handle (14) on the case lid (15), the case lid (15) is by buckle (13) and casing (18)
It is fixed, battery (17) is provided with the casing (18), power control switch (20) is provided with the casing (18), it is described
The avris of casing (18) is provided with indent in the instrument cases (19) of the casing (18).
2. a kind of demonstration device for action of fuse according to claim 1, it is characterised in that the tie point (3) and institute
State the second branch road (6) in parallel.
3. a kind of demonstration device for action of fuse according to claim 1, it is characterised in that the ammeter (7) is connected on
In second branch road (6).
4. a kind of demonstration device for action of fuse according to claim 1, it is characterised in that the positive pole of the battery (17)
The power control switch (20) is electrically connected with, the power control switch (20) is electrically connected with the indicator lamp (4), the finger
Show that lamp (4) is electrically connected with the tie point (3) and second branch road (6) respectively, the tie point (3) and described the
Two branch roads (6) are electrically connected with the negative pole of the battery (17).
5. a kind of demonstration device for action of fuse according to claim 1, it is characterised in that the fuse (9) is connected on
In second branch road (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621040282.9U CN206293063U (en) | 2016-09-07 | 2016-09-07 | A kind of demonstration device for action of fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621040282.9U CN206293063U (en) | 2016-09-07 | 2016-09-07 | A kind of demonstration device for action of fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206293063U true CN206293063U (en) | 2017-06-30 |
Family
ID=59095176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621040282.9U Expired - Fee Related CN206293063U (en) | 2016-09-07 | 2016-09-07 | A kind of demonstration device for action of fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206293063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111639370A (en) * | 2020-06-11 | 2020-09-08 | 威海银创微电子技术有限公司 | Nonvolatile SRAM data encryption device |
-
2016
- 2016-09-07 CN CN201621040282.9U patent/CN206293063U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111639370A (en) * | 2020-06-11 | 2020-09-08 | 威海银创微电子技术有限公司 | Nonvolatile SRAM data encryption device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170630 Termination date: 20180907 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |