CN101118824A - Afety pipe with filtering function - Google Patents
Afety pipe with filtering function Download PDFInfo
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- CN101118824A CN101118824A CNA2007100710439A CN200710071043A CN101118824A CN 101118824 A CN101118824 A CN 101118824A CN A2007100710439 A CNA2007100710439 A CN A2007100710439A CN 200710071043 A CN200710071043 A CN 200710071043A CN 101118824 A CN101118824 A CN 101118824A
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Abstract
The present invention discloses a fuse tube with the function of wave filtration, and the fuse tube includes a metal wire and a tube; wherein, the metal wire is arranged in the tube which is filled with granular electric wave absorption materials. The granular size of the electric wave absorption materials stands at 50 items to 300 items. The advantage is that the tube is filled with granular electric wave absorption materials that can well absorb or isolate the interference of miscellaneous waves, at the same time, reduce and restrain the influences of the miscellaneous wave interference produced in the working of the machine on other equipments via a power supply loop. By entering into the front end of the machine power supply, the function of wave filtration can be effectively brought into full play, thus letting the machine have better anti-interference capability in the increasingly serious ambience of electromagnetic interference and have more stable working performance and the state of the machine.
Description
Technical field
The present invention relates to a kind of fuse, especially relate to a kind of protective tube with filter function.
Background technology
Our employed AC power all is to be delivered to user's ammeter from the power main of open air basically, and then enters user's service main.And the ammeter of each household all is with many users' ammeter parallel connection, interference, the making an uproar property of all extraneous inductions all can be along with transmission and distribution line enters in the user family, automobile process, electrical equipment work etc. all can influence our indoor power supply quality near for example the Nature thunderbolt, various communication broadcasting, radio station emission, the resident family.Dirty power is influential to the use meeting of accurate instrument, and responsive seehears is particularly like this, uses unpurified power supply, and the sound of seehears and the background noise of image will strengthen, and the effect of watching is listened in influence.Problems such as common way is to increase mode such as electric source filter circuit to solve this problem in electrical equipment, can cause that circuit complicated makes cost higher but do like this, and cause fault easily, and result of use is also not ideal.In the present most electric equipment protective tube is installed all, when the circuit in the electrical equipment breaks down or be unusual, can causes the continuous rising of electric current, electric current is cut off in the wire heating fusing in the protective tube, thereby plays the effect of protection electrical equipment.Existing protective tube function singleness does not have and eliminates the interference signal that exists in the power supply and the filter function of noise.The wire of existing protective tube adopts lead-antimony alloy to make simultaneously, and lead-antimony alloy belongs to the electric conducting material of high internal resistance, and high internal resistance wire can increase the internal resistance of electric power loop, and this can impact the seehears of sensitivity or the overall performance performance of accurate instrument.
Summary of the invention
Technical problem to be solved by this invention provides a kind of low-resistance and have a protective tube of filter function.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of protective tube with filter function, comprise wire and body, described wire is arranged in the described body, be filled with granular electric wave absorbing materials in the described body, the granular size of described electric wave absorbing materials is 50 orders～300 orders.
Described electric wave absorbing materials is made up of quartz crystal, ferrite crystal, garnet, carboxyl iron powder, barium ferrite powder and at least a mixing of mineral crystal.
Described electric wave absorbing materials is mixed by described quartz crystal, described ferrite crystal, described garnet, described carboxyl iron powder, described barium ferrite powder and described mineral crystal, the percent by volume of described quartz crystal is 40%-90%, and the volume of mixture percentage of described ferrite crystal, described garnet, described carboxyl iron powder, described barium ferrite powder and described mineral crystal is 10%-60%.
Described wire is low internal resistance wire.
Described low internal resistance wire is any material in copper wire, copper free wire, silver-bearing copper silk union, monocrystal fine silver silk, fine silver silk, metallized thread, gold and silver copper wire, platinum wire, platinum silver spun gold, copper rhodium silk, golden rhodium silk, gold and silver nickel wire and the golden copper platinum filamentary silver.
Described inboard wall of tube body is coated with described electric wave absorbing materials layer.
Compared with prior art, advantage of the present invention is to be filled with granular electric wave absorbing materials around the wire, when electric current process protective tube, the clutter absorbing material can absorb well or the insulating power supply loop in noise jamming, reduce simultaneously and the noise jamming that suppresses to produce in machine itself work influences other equipment by electric power loop.Granular size is 50 orders～300 purpose electric wave absorbing materials, has certain micromagnetism as ferrite etc.Because the resonance absorption of ferromagnetic material and the frequency dispersion effect of magnetic permeability, so this material has bandwidth and absorbs strong characteristics.When clutter is transmitted into granular electric wave absorbing materials, the part energy of clutter can be absorbed when inciding granule, another part energy of clutter can reflex on other the granule, because the cause of numerous granules, clutter can produce incident and reflection many times, clutter its energy in the motion process of above-mentioned continuous several times can weaken widely, thereby reaches the effect that absorbs clutter.Can effectively bring into play filter function foremost at the power supply that enters machine, make machine that the better resisting interference ability be arranged in the electromagnetic interference environment that is on the rise, the service behaviour and the state of machine are more stable.
Wire adopts the high-purity conductor of low internal resistance, make internal resistance wiry littler, the electric current that passes through in the machine works process is more unimpeded, can effectively improve the overall performance of machine, but the little wire of internal resistance can weaken the fuse function of protective tube, quartz crystal in the electric wave absorbing materials is when heating process wiry for this reason, the volume of quartz particles can expand rapidly, intergranular space is filled, the heat that makes wire send can't effectively be distributed, this forces wire to fuse more quickly and arc extinguishing, has good fuse function when making protective tube promote the electric equipment overall performance.
The protective tube that is filled with the graininess electric wave absorbing materials has better stability under hot environment, well-known wire changes along with the variation of ambient temperature as meetings such as the electric conductivity of conductor, interior resistance, therefore the design feature of existing protective tube has determined its fusing point wiry to be subjected to the influence of machine works environment sensitively and has changed, the protective tube that is filled with granular material makes between wire and the ambient temperature and is provided with separator, alleviated the influence of ambient temperature variation effectively, had better stability the wire electric conductivity.
Inboard wall of tube body is coated with described electric wave absorbing materials layer, also is the noise jamming in absorption and the insulating power supply loop, improves the degree of purity and the stability of power supply.
The present invention can suppress various harmful resonance in the circuit effectively, played the effect of filtering, reduce the impedance that has vibration to cause, reduced ripple coefficient, improve the degree of purity and the stability of power supply, the higher harmonic component harmful to signal got rid of in the optimization of power quality, and the abundant electric current of high-quality provides powerful fan-out capability for machine.A kind of so novel protective tube application is very extensive, particularly effect is more obvious in the equipment of some high-precision ends and electrical equipment, use in the sound appliances and can effectively promote tone color, revise and suppress because self or the extraneous various bad resonance that causes the reduction true effect; Be applied in computer, the communication equipment, can reduce loss of data, improve the accuracy of transfer of data, strengthen the stability and the antijamming capability of microsystem; The video signal source that is applied to video system can effectively strengthen energy and reduce interference, improves video effect; The enhancing and the voice restoration degree that are applied in signal to noise ratio in the communication apparatus are more clear;
In test this protective tube is used for KOY HCD-351 vehicle audio, test result is as follows: it is 95db (1KHZ) that signal to noise ratio (S/N) is promoted by original 93db, it is 73db (1KHZ) that separating degree is promoted by original 71db, it is 95db (1KHZ) that dynamic range is promoted by original 90db, and distortion rate is 0.01% (1KHZ) by 0.02% original lifting.
Description of drawings
Fig. 1 is a tubulose protective tube structure chart of the present invention;
Fig. 2 is a sheet protective tube structure chart of the present invention.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Embodiment one: a kind of protective tube with filter function, comprise wire 1 and body 2, wire 1 is arranged in the body 2, be filled with granular electric wave absorbing materials 3 in the body 2, the granular size of electric wave absorbing materials 3 is 100 orders, electric wave absorbing materials 3 is that 50% quartz crystal and percent by volume are that 50% alloy mixes and forms by percent by volume, alloy is the mixture of ferrite crystal and garnet, the percent by volume of ferrite crystal is 25%, the percent by volume of garnet is 25%, wire is low internal resistance wire, and low internal resistance wire is a copper wire, and inboard wall of tube body is coated with electric wave absorbing materials layer 4.Alloy can be in ferrite crystal, garnet, carboxyl iron powder, barium ferrite powder and the mineral crystal a kind of, also can be that two or three in ferrite crystal, garnet, carboxyl iron powder, barium ferrite powder and the mineral crystal mixes.
Embodiment two: a kind of protective tube with filter function, comprise wire 1 and body 2, wire 1 is arranged in the body 2, be filled with granular electric wave absorbing materials 3 in the body 2, the granular size of electric wave absorbing materials 3 is 200 orders, electric wave absorbing materials 3 is that 75% quartz crystal and percent by volume are that 25% alloy mixes and forms by percent by volume, alloy is a ferrite crystal, garnet, the carboxyl iron powder, the mixture of barium ferrite powder and mineral crystal, the percent by volume of ferrite crystal is 5%, the percent by volume of garnet is 5%, the percent by volume of carboxyl iron powder is 5%, the percent by volume of barium ferrite powder is 5%, the percent by volume of mineral crystal is 5%, and wire is low internal resistance wire.Low internal resistance metal is a copper free wire, and inboard wall of tube body is coated with electric wave absorbing materials layer 4.Low internal resistance wire can be any material in copper wire, copper free wire, silver-bearing copper silk union, monocrystal fine silver silk, fine silver silk, metallized thread, gold and silver copper wire, platinum wire, platinum silver spun gold, copper rhodium silk, golden rhodium silk, gold and silver nickel wire and the golden copper platinum filamentary silver.
Embodiment three: a kind of protective tube with filter function, comprise wire 1 and body 2, wire 1 is arranged in the body 2, be filled with granular electric wave absorbing materials 3 in the body 2, the granular size of electric wave absorbing materials 3 is 200 orders, electric wave absorbing materials 3 is that 95% quartz crystal and percent by volume are that 5% alloy mixes and forms by percent by volume, alloy is a ferrite crystal, garnet, the carboxyl iron powder, the mixture of barium ferrite powder and mineral crystal, the percent by volume of ferrite crystal is 1%, the percent by volume of garnet is 1%, the percent by volume of carboxyl iron powder is 1%, the percent by volume of barium ferrite powder is 1%, the percent by volume of mineral crystal is 1%, and wire is low internal resistance wire.Low internal resistance metal is a monocrystal fine silver silk, and inboard wall of tube body is coated with electric wave absorbing materials layer 4.Low internal resistance wire can be any material in copper wire, copper free wire, silver-bearing copper silk union, monocrystal fine silver silk, fine silver silk, metallized thread, gold and silver copper wire, platinum wire, platinum silver spun gold, copper rhodium silk, golden rhodium silk, gold and silver nickel wire and the golden copper platinum filamentary silver.
Claims (5)
1. protective tube with filter function, comprise wire and body, described wire is arranged in the described body, it is characterized in that being filled with in the described body granular electric wave absorbing materials, and the granular size of described electric wave absorbing materials is 50 orders～300 orders.
2. a kind of protective tube according to claim 1 with filter function, it is characterized in that described electric wave absorbing materials is that the quartz crystal of 40%-90% and alloy that percent by volume is 10%-60% mix and form by percent by volume, described alloy is at least a in ferrite crystal, garnet, carboxyl iron powder, barium ferrite powder and the mineral crystal.
3. a kind of protective tube with filter function according to claim 1 is characterized in that described wire is low internal resistance wire.
4. a kind of protective tube with filter function according to claim 3 is characterized in that described low internal resistance wire is any material in copper wire, copper free wire, silver-bearing copper silk union, monocrystal fine silver silk, fine silver silk, metallized thread, gold and silver copper wire, platinum wire, platinum silver spun gold, copper rhodium silk, golden rhodium silk, gold and silver nickel wire and the golden copper platinum filamentary silver.
5. a kind of protective tube with filter function according to claim 1 is characterized in that described inboard wall of tube body is coated with described electric wave absorbing materials layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100710439A CN101118824B (en) | 2007-08-29 | 2007-08-29 | Safety pipe with filtering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100710439A CN101118824B (en) | 2007-08-29 | 2007-08-29 | Safety pipe with filtering function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101118824A true CN101118824A (en) | 2008-02-06 |
| CN101118824B CN101118824B (en) | 2010-11-17 |
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ID=39054872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100710439A Expired - Fee Related CN101118824B (en) | 2007-08-29 | 2007-08-29 | Safety pipe with filtering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101118824B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105359247A (en) * | 2013-07-16 | 2016-02-24 | 罗伯特·博世有限公司 | Safety device having a dividing element |
| CN109588033A (en) * | 2019-01-04 | 2019-04-05 | 邓冬来 | The clutter remove device used suitable for automotive interior |
-
2007
- 2007-08-29 CN CN2007100710439A patent/CN101118824B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105359247A (en) * | 2013-07-16 | 2016-02-24 | 罗伯特·博世有限公司 | Safety device having a dividing element |
| CN105359247B (en) * | 2013-07-16 | 2018-07-10 | 罗伯特·博世有限公司 | Safety device with isolation element |
| US10141151B2 (en) | 2013-07-16 | 2018-11-27 | Robert Bosch Gmbh | Fuse with separating element |
| CN109588033A (en) * | 2019-01-04 | 2019-04-05 | 邓冬来 | The clutter remove device used suitable for automotive interior |
| CN109588033B (en) * | 2019-01-04 | 2024-06-07 | 邓冬来 | Clutter removing device suitable for automobile interior |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101118824B (en) | 2010-11-17 |
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Granted publication date: 20101117 Termination date: 20120829 |