CN209375594U - A kind of detachable filter - Google Patents
A kind of detachable filter Download PDFInfo
- Publication number
- CN209375594U CN209375594U CN201821835888.0U CN201821835888U CN209375594U CN 209375594 U CN209375594 U CN 209375594U CN 201821835888 U CN201821835888 U CN 201821835888U CN 209375594 U CN209375594 U CN 209375594U
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- Prior art keywords
- lower case
- substrate
- upper housing
- detachable filter
- groove
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Abstract
The utility model discloses a kind of detachable filters, including upper housing, substrate, zener diode and lower case, bottom end inside the lower case is equipped with substrate, and the top of substrate is provided with heat dissipating layer, the top of the heat dissipating layer is provided with waterproof layer, the top of the substrate is equipped with zener diode, resonant column, capacitor, radiating fin, ferrite core, inductance, coil, resistance, and the two sides of ferrite core are surrounded with coil, four corners on the lower case top are provided with groove, and the inside of groove is provided with anti-guncotton, fireprotection layer is evenly arranged on the inner sidewall of the groove, two sides inside the lower case are mounted on reinforcing rib, the side of the lower case is equipped with input terminal.The utility model improves the safety of filter by installing fluted, anti-guncotton and fireprotection layer, and anti-guncotton and fireprotection layer can be effectively prevented member combusts caused by internal short-circuit.
Description
Technical field
The utility model relates to wave filter technology field, specially a kind of detachable filter.
Background technique
The filter circuit that power-supply filter is made of capacitor, inductance and resistance, filter can be to specific in power supply line
Frequency other than the frequency point of frequency or the frequency point is effectively filtered out, and obtains the power supply signal of a specific frequency, or eliminate one
Power supply signal after a specific frequency, but there are many problems or defects for existing filter.
First, traditional filter is inconvenient to dismantle, when filter internal component wear needs replacing, it has not been convenient to general
Internal element is taken out in filter disassembly, and maintenance is inconvenient.
Second, traditional filter cannot sufficiently radiate, and the heat of filter internal cannot discharge for a long time, will affect filter
The shelf life of wave device.
Third, traditional filter safety is low, if short circuit occurs for filter internal, transcient short circuit time electric current is larger, sternly
Fire can even occur when weight.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of detachable filter
Be inconvenient to dismantle, cannot sufficiently radiate, the low problem of safety.
To achieve the above object, the utility model provides the following technical solutions: a kind of detachable filter, including upper casing
Body, substrate, zener diode and lower case, the bottom end inside the lower case is equipped with substrate, and the top of substrate is provided with
Heat dissipating layer, the top of the heat dissipating layer are provided with waterproof layer, and the top of the substrate is equipped with zener diode, resonant column, electricity
Appearance, radiating fin, ferrite core, inductance, coil, resistance, and the two sides of ferrite core are surrounded with coil, the lower case top
Four corners at end are provided with groove, and the inside of groove is provided with anti-guncotton, on the inner sidewall of the groove uniformly
It is provided with fireprotection layer, the two sides inside the lower case are mounted on reinforcing rib, and the side of the lower case is equipped with input terminal,
The other side of the lower case is equipped with output end, is mounted on the first bullet at the top and bottom of the lower case inner tip
Spring.
Preferably, one end of the upper housing is evenly arranged with heat release hole, and the heat release hole equally arranges.
Preferably, the top of the lower case is provided with card slot, and the top engaging of the lower case has upper housing, and upper casing
The bottom end of body is equipped with fixture block, and the card slot and fixture block constitute snap-in structure.
Preferably, titanizing corrosion-resistant coating is evenly arranged on the inner sidewall of the lower case and upper housing.
Preferably, the lower case and substrate constitute weldedization structure.
Preferably, the two sides inside the card slot are mounted on second spring, and the side of the second spring is mounted on
Intermediate plate, the intermediate plate top are mounted on pull ring, and the second spring and intermediate plate constitute stretching structure.
Compared with prior art, the utility model has the beneficial effects that the detachable filter construction is reasonable, have with
Lower advantage:
1, the function of installation easy to disassemble, fixture block and card slot are realized by being equipped with fixture block, card slot, intermediate plate and second spring
Constitute snap-in structure, and card slot inside install intermediate plate fixture block is clamped, realize upper housing and lower case fixation, when need
When dismantling filter, drives intermediate plate mobile by pull ring, fixture block is extracted out from card slot, thus by upper housing under
Shell is separated.
2, the function of heat dissipation is realized by being equipped with radiating fin and heat release hole, when filter internal has heat, dissipated
After hot fin absorbs heat, heat is dissipated with the form of convection current, while heat release hole can also radiate, and avoid heat
Amount is deposited in filter.
3, by installing fluted, anti-guncotton and fireprotection layer improves the safety of filter, anti-guncotton and fireprotection layer can be with
It is effectively prevented member combusts caused by internal short-circuit.
Detailed description of the invention
Fig. 1 is the top view cross section structural schematic diagram of the utility model；
Fig. 2 is the positive structure diagram of the utility model；
Fig. 3 is enlarged structure schematic diagram at A in the utility model Fig. 1；
Fig. 4 is enlarged structure schematic diagram at B in the utility model Fig. 1；
In figure: 1, upper housing；2, the first spring；3, radiating fin；4, ferrite core；5, anti-guncotton；6, input terminal；7, add
Strengthening tendons；8, groove；9, inductance；10, coil；11, resistance；12, capacitor；13, waterproof layer；14, heat dissipating layer；15, output end；16,
Substrate；17, resonant column；18, zener diode；19, heat release hole；20, fixture block；21, lower case；22, second spring；23, card slot；
24, intermediate plate；25, pull ring；26, fireprotection layer.
Specific embodiment
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 making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, a kind of embodiment provided by the utility model: a kind of detachable filter, including upper housing
1, substrate 16, zener diode 18 and lower case 21, the bottom end inside lower case 21 are equipped with substrate 16, lower case 21 and substrate
16 constitute weldedization structure, so that this filter is more stable, and the top of substrate 16 is provided with heat dissipating layer 14, heat dissipating layer
14 top is provided with waterproof layer 13, and the top of substrate 16 is equipped with zener diode 18, resonant column 17, capacitor 12, heat radiating fin
Piece 3, ferrite core 4, inductance 9, coil 10, resistance 11, and the two sides of ferrite core 4 are surrounded with coil 10, lower case 21 is pushed up
Four corners at end are provided with groove 8, and the inside of groove 8 is provided with anti-guncotton 5, on the inner sidewall of groove 8 uniformly
It is provided with fireprotection layer 26, the two sides inside lower case 21 are mounted on reinforcing rib 7, and the side of lower case 21 is equipped with input terminal 6,
The other side of lower case 21 is equipped with output end 15, and the first spring 2 is mounted at the top and bottom of 21 inner tip of lower case,
The top of lower case 21 is provided with card slot 23, and the top engaging of lower case 21 has a upper housing 1, lower case 21 and upper housing 1 it is interior
It is evenly arranged with titanizing corrosion-resistant coating on side wall, extends the service life, avoids corroding, and the bottom end of upper housing 1 is equipped with fixture block 20, blocks
Slot 23 and fixture block 20 constitute snap-in structure, and convenient for removing and installing for filter, the two sides inside card slot 23 are mounted on second
Spring 22, the side of second spring 22 are mounted on intermediate plate 24, and 24 top of intermediate plate is mounted on pull ring 25, second spring 22 and folder
Piece 24 constitutes stretching structure, and convenient for the fixation of upper housing 1 and lower case 21, one end of upper housing 1 is evenly arranged with heat release hole 19,
Heat release hole 19 equally arranges, convenient for heat dissipation.
Working principle: in use, since alternating current is by after diode rectification, direction is single, but current strength
Still it is among constantly variation, this pulsating direct current is usually that cannot be used directly to wireless Denso power supply, to be felt the pulse
Dynamic direct current becomes the smooth direct current of waveform, it is also necessary to do the work of " fill and lead up and even up " again, this is filtering, and filtering is appointed
Business, exactly as much as possible reduces the ripple components in rectifier output voltage, is transformed into close to permanent steady direct current, this filtering
The capacitance of capacitor 12 in device be not it is very big, otherwise easily cause the filter even danger of body leakage, and in filter
Common mode choke, it is a pair of of the coil 10 being wound on the same ferrite core 4 in the same direction, for common-mode interference current, two
The magnetic field that coil 10 generates be it is equidirectional, common mode choke shows biggish impedance, to play decaying interference signal
Effect, and for the magnetic field cancellation that difference mode signal, two coils 10 generate, so not influencing the power delivery function of circuit, filter
Wave device itself is without voltage stabilizing function, but zener diode 18 is added can make the DC voltage of output more stable later, work as filter
When wave device is by severe impact, the first spring 2 can carry out buffer function to it, reduce impact force, fireprotection layer 26 and anti-guncotton 5
Member combusts can be effectively prevented, radiating fin 3 and heat dissipating layer 14 can be effectively performed heat spreading function, avoid heat build-up
In filter, when needing to dismantle filter, pull ring 25 is pulled, pull ring 25 drives intermediate plate 24 mobile to side, by
Shunk in the process in second spring 22 so that intermediate plate 24 and fixture block 20 separate, convenient for by fixture block 20 from card slot
It is extracted out in 23, realizes the disassembly of filter, when needing to assemble filter, fixture block 20 is inserted into card slot 23, inside card slot 23
The second spring 22 of two sides squeezes fixture block 20 due to elastic reaction, the fixation to fixture block 20 is realized, to realize
The fixation of shell 1 and lower case 21.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of detachable filter, including upper housing (1), substrate (16), zener diode (18) and lower case (21),
Be characterized in that: the internal bottom end of the lower case (21) is equipped with substrate (16), and the top of substrate (16) is provided with heat dissipating layer
(14), the top of the heat dissipating layer (14) is provided with waterproof layer (13), and the top of the substrate (16) is equipped with zener diode
(18), resonant column (17), capacitor (12), radiating fin (3), ferrite core (4), inductance (9), coil (10), resistance (11), and
The two sides of ferrite core (4) are surrounded with coil (10), and four corners on lower case (21) top are provided with groove
(8), and the inside of groove (8) is provided with anti-guncotton (5), is evenly arranged with fireprotection layer on the inner sidewall of the groove (8)
(26), the internal two sides of the lower case (21) are mounted on reinforcing rib (7), and the side of the lower case (21) is equipped with input
It holds (6), the other side of the lower case (21) is equipped with output end (15), the top and bottom of lower case (21) inner tip
Portion is mounted on the first spring (2).
2. a kind of detachable filter according to claim 1, it is characterised in that: one end of the upper housing (1) is equal
Even to be provided with heat release hole (19), the heat release hole (19) equally arranges.
3. a kind of detachable filter according to claim 1, it is characterised in that: the top of the lower case (21) is set
It is equipped with card slot (23), the top engaging of the lower case (21) has upper housing (1), and the bottom end of upper housing (1) is equipped with fixture block
(20), the card slot (23) and fixture block (20) constitute snap-in structure.
4. a kind of detachable filter according to claim 1, it is characterised in that: the lower case (21) and upper housing
(1) titanizing corrosion-resistant coating is evenly arranged on inner sidewall.
5. a kind of detachable filter according to claim 1, it is characterised in that: the lower case (21) and substrate
(16) weldedization structure is constituted.
6. a kind of detachable filter according to claim 3, it is characterised in that: the internal two sides of the card slot (23)
It is mounted on second spring (22), the side of the second spring (22) is mounted on intermediate plate (24), intermediate plate (24) top
It is mounted on pull ring (25), the second spring (22) and intermediate plate (24) constitute stretching structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821835888.0U CN209375594U (en) | 2018-11-08 | 2018-11-08 | A kind of detachable filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821835888.0U CN209375594U (en) | 2018-11-08 | 2018-11-08 | A kind of detachable filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209375594U true CN209375594U (en) | 2019-09-10 |
Family
ID=67836367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821835888.0U Active CN209375594U (en) | 2018-11-08 | 2018-11-08 | A kind of detachable filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209375594U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112636716A (en) * | 2020-12-28 | 2021-04-09 | 姜国强 | Quartz crystal filter with impact-resistant structure and use method thereof |
-
2018
- 2018-11-08 CN CN201821835888.0U patent/CN209375594U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112636716A (en) * | 2020-12-28 | 2021-04-09 | 姜国强 | Quartz crystal filter with impact-resistant structure and use method thereof |
| CN112636716B (en) * | 2020-12-28 | 2024-01-12 | 石家庄奥东电子科技有限公司 | Quartz crystal filter with impact-resistant structure and application method thereof |
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