CN207885041U - A kind of over current protection cabinet - Google Patents
A kind of over current protection cabinet Download PDFInfo
- Publication number
- CN207885041U CN207885041U CN201820313932.5U CN201820313932U CN207885041U CN 207885041 U CN207885041 U CN 207885041U CN 201820313932 U CN201820313932 U CN 201820313932U CN 207885041 U CN207885041 U CN 207885041U
- Authority
- CN
- China
- Prior art keywords
- resistor stripe
- electromagnet
- firewire
- permanent magnet
- bottom end
- 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
Links
- 239000004020 conductor Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses a kind of over current protection cabinet, including cabinet, cabinet bottom end and top are opened in air admission hole and venthole respectively, and the air inlet side below wind turbine is equipped with electric component；Electric component is equipped with longitudinally disposed resistor stripe, and resistor stripe bottom end is fixed with retracting cylinder, and resistor stripe side wall is contacted with contact block, and resistor stripe top is fixed with permanent magnet, and electromagnet is equipped with above permanent magnet；Firewire is electrically connected in contact block and resistor stripe top, and electromagnet is in parallel with firewire after connecting with diode and current-limiting resistance；During the utility model is implemented, when the electric current in firewire increases, the electric current for flowing through electromagnet increases, and electromagnet increases the magnetic attraction of permanent magnet, and resistor stripe is driven to rise, and the equivalent resistance between resistor stripe and contact block increases, and plays metering function；When electric current increases to critical value, resistor stripe disengages block, disconnecting circuit；Metering function is not only acted as, while can also be cut off the power when electric current is excessive.
Description
Technical field
The utility model is related to electrical equipments, and in particular to a kind of over current protection cabinet.
Background technology
Cabinet is usually the object for being used to store computer and related control device that cold-rolled steel sheet or alloy make, can be with
Protection to storage equipment is provided, shields electromagnetic interference, orderly and neatly alignment apparatus, it is convenient for later maintenance of equipment.Cabinet one
As be divided into server cabinet, network cabinet, console cabinet etc.；Use is sent out with the concatenated turbine of power plant in large ship
Electricity causes the electric current output of generator to be susceptible to unstable, when electric current is excessive, can lead to equipment damage.
Utility model content
The purpose of the utility model is to overcome the above-mentioned problems in the prior art, provide a kind of over current protection
Cabinet not only acts as metering function, while can also cut off the power when electric current is excessive.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions：
A kind of over current protection cabinet, including cabinet, the cabinet bottom end and top are opened in air admission hole and go out respectively
Stomata, the venthole inside are equipped with wind turbine, and the air inlet side below the wind turbine is equipped with electric component；
The electric component is equipped with longitudinally disposed resistor stripe, and the resistor stripe bottom end is fixed with retracting cylinder, the resistance
Side wall is contacted with contact block, and the resistor stripe top is fixed with permanent magnet, and electromagnet is equipped with above the permanent magnet；
Firewire, the electromagnet and diode and current-limiting resistance string is electrically connected in the contact block and resistor stripe top
It is in parallel with firewire after connection.
Further, it is arranged on the outside of the air admission hole and is fixed with Air Filter.
Further, the cabinet bottom end is equipped with idler wheel.
Further, the distance of the permanent magnet top to electromagnet bottom end is more than the length of resistor stripe.
Further, the contact block includes the insulating sleeve being laterally arranged, the conductor that the insulating sleeve both ends are embedded
Block contacts firewire respectively, and fusible link is connected between the conductor block.
The income effect of the utility model is：
When the electric current in firewire increases, the electric current for flowing through electromagnet increases, and electromagnet inhales the magnetism of permanent magnet
Draw increase, resistor stripe is driven to rise, the equivalent resistance between resistor stripe and contact block increases, and plays metering function；
When electric current increases to critical value, resistor stripe disengages block, disconnecting circuit；
Metering function is not only acted as, while can also be cut off the power when electric current is excessive.
Description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the structural schematic diagram of cabinet described in the utility model；
Fig. 2 is the structural schematic diagram of electric component described in the utility model；
Fig. 3 is the structural schematic diagram of contact block described in the utility model.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The all other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figs. 1-3, the utility model is a kind of over current protection cabinet, including cabinet 100,100 bottom end of cabinet
Be opened in air admission hole 110 and venthole 120 respectively with top, 120 inside of venthole is equipped with wind turbine 200,200 lower section of wind turbine into
Gas side is equipped with electric component 300；
Electric component 300 is equipped with longitudinally disposed resistor stripe 310, and 310 bottom end of resistor stripe is fixed with retracting cylinder 320, resistance
310 side wall of item is contacted with contact block 330, and 310 top of resistor stripe is fixed with permanent magnet 311, and 311 top of permanent magnet is equipped with electromagnet
340；
Firewire, electromagnet 340 and diode 350 and current limliting electricity is electrically connected in contact block 330 and 310 top of resistor stripe
It is in parallel with firewire after 360 series connection of resistance.
One preference of present embodiment, which is that 110 outside of air admission hole is arranged, is fixed with Air Filter 130.
One preference of present embodiment is that 100 bottom end of cabinet is equipped with idler wheel 400.
One preference of present embodiment is that the distance on 311 top of permanent magnet to 340 bottom end of electromagnet is more than resistor stripe
310 length.
One preference of present embodiment is that contact block 330 includes the insulating sleeve 331 being laterally arranged, insulating sleeve
The conductor block 332 that 331 both ends are embedded contacts firewire respectively, and fusible link 333 is connected between conductor block 332.
One of the present embodiment has particular application as：
When the electric current in firewire increases, the electric current for flowing through electromagnet 340 increases, and electromagnet 340 is to permanent magnet 311
Magnetic attraction increase, drive resistor stripe 310 to rise, equivalent resistance between resistor stripe 310 and contact block 330 increases, and plays
Metering function；
When electric current increases to critical value, resistor stripe 310 disengages block 330, disconnecting circuit.
In aforesaid operations, compare traditional approach, not only acts as metering function, while can also be cut when electric current is excessive
Power-off source.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Specific features described in conjunction with this embodiment or example, structure, material live feature and are contained in at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiments or example
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, does not limit the specific implementation mode that the utility model is only described yet.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, to enable skilled artisan to be best understood by and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. a kind of over current protection cabinet, it is characterised in that：Including cabinet（100）, the cabinet（100）Bottom end and top point
Air admission hole is not opened in it（110）And venthole（120）, the venthole（120）Inside is equipped with wind turbine（200）, the wind turbine
（200）The air inlet side of lower section is equipped with electric component（300）；
The electric component（300）Equipped with longitudinally disposed resistor stripe（310）, the resistor stripe（310）Bottom end is fixed with flexible
Cylinder（320）, the resistor stripe（310）Side wall and contact block（330）Contact, the resistor stripe（310）Top is fixed with permanent magnet
（311）, the permanent magnet（311）Top is equipped with electromagnet（340）；
The contact block（330）And resistor stripe（310）Firewire, the electromagnet is electrically connected in top（340）With diode
（350）And current-limiting resistance（360）It is in parallel with firewire after series connection.
2. a kind of over current protection cabinet according to claim 1, it is characterised in that：The air admission hole（110）Outside
It is arranged and is fixed with Air Filter（130）.
3. a kind of over current protection cabinet according to claim 1, it is characterised in that：The cabinet（100）Bottom end is set
There is idler wheel（400）.
4. a kind of over current protection cabinet according to claim 1, it is characterised in that：The permanent magnet（311）Top
To electromagnet（340）The distance of bottom end is more than resistor stripe（310）Length.
5. a kind of over current protection cabinet according to claim 1, it is characterised in that：The contact block（330）Including
The insulating sleeve being laterally arranged（331）, the insulating sleeve（331）The conductor block that both ends are embedded（332）Firewire is contacted respectively, institute
State conductor block（332）Between be connected with fusible link（333）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820313932.5U CN207885041U (en) | 2018-03-07 | 2018-03-07 | A kind of over current protection cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820313932.5U CN207885041U (en) | 2018-03-07 | 2018-03-07 | A kind of over current protection cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207885041U true CN207885041U (en) | 2018-09-18 |
Family
ID=63496162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820313932.5U Expired - Fee Related CN207885041U (en) | 2018-03-07 | 2018-03-07 | A kind of over current protection cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207885041U (en) |
-
2018
- 2018-03-07 CN CN201820313932.5U patent/CN207885041U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103035445A (en) | Large current direct current switch arc-control device circuit | |
| CN209119805U (en) | Surge protection device | |
| CN207885041U (en) | A kind of over current protection cabinet | |
| CN207124443U (en) | A kind of new energy taking device of transmission line of electricity | |
| CN203588779U (en) | Portable resistance box | |
| CN205656213U (en) | Relay protection terminal row loss prevention evil device | |
| CN212627920U (en) | Power supply device for PON equipment | |
| CN103474874A (en) | Electronic optimized type lightning conductor | |
| CN208479281U (en) | A kind of non-linear stabilizing compensation transmission line of electricity lightning conducter electricity getting device | |
| CN209434875U (en) | A kind of protection circuit and interchanger | |
| CN207637714U (en) | A kind of moment controls voltage device | |
| CN206412758U (en) | Arc-control device and electric power system | |
| CN202145515U (en) | Lightning protective socket | |
| CN206640509U (en) | Rectifier | |
| CN206389110U (en) | A kind of novel surge protective device | |
| CN207339786U (en) | Photovoltaic junction box | |
| CN103337850A (en) | High-voltage DC gas breaker with wide current range | |
| CN204790668U (en) | Single -phase low voltage compensation device | |
| CN205809132U (en) | A kind of electric energy meter self-locking ramp box | |
| CN203883666U (en) | Grid-connected control device of frequency converter | |
| CN202602279U (en) | Power over ethernet (POE) device with lightning protection circuit of data extractor | |
| CN206340969U (en) | A kind of highly reliable band functional protection earthing breaker circuit | |
| CN204118725U (en) | A kind of lithium battery pack management system protective circuit | |
| CN203562633U (en) | Contact type short-circuit connecting device for secondary terminal of electrical equipment | |
| CN208767772U (en) | A kind of cable over-pressure safety device |
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: 20180918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |