CN105555082A - Car power amplifier housing - Google Patents
Car power amplifier housing Download PDFInfo
- Publication number
- CN105555082A CN105555082A CN201610032840.5A CN201610032840A CN105555082A CN 105555082 A CN105555082 A CN 105555082A CN 201610032840 A CN201610032840 A CN 201610032840A CN 105555082 A CN105555082 A CN 105555082A
- Authority
- CN
- China
- Prior art keywords
- movable part
- housing
- power amplifier
- urceolus
- inner core
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20127—Natural convection
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Amplifiers (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a car power amplifier housing. The car power amplifier housing simultaneously meets the heat dissipation requirement and the dustproof requirement. According to the main points of the technical scheme, a shell is connected with a movable part in a sliding manner; the movable part can retract into the shell and can extend out of the shell; a hollow cavity communicated with the inside of the shell is arranged in the movable part; and a through hole which is communicated with the hollow cavity is formed in the lateral wall of the movable part. When the power of a car power amplifier is relatively high or the environment temperature is relatively high, the movable part can extend outside, so that the total heat dissipation area of ventilation holes of the shell is increased and heat dissipation is facilitated. When the power of the car power amplifier is relatively low or the environment temperature is relatively low, the movable part can retract into the shell to prevent dust from entering the shell. The housing can relatively well meet the dustproof requirement and the heat dissipation requirement.
Description
Technical field
The present invention relates to a kind of housing, more particularly, it relates to a kind of vehicle power amplifier shell.
Background technology
Vehicle power amplifier easily produces heat in the process of work, and its caloric requirement produced is dispelled the heat in time, otherwise vehicle power amplifier has the danger of burning.Louvre, when designing, for ensureing its thermal diffusivity, can design larger by existing vehicle power amplifier shell usually.Although larger louvre is beneficial to heat radiation, when the operating power of vehicle power amplifier is lower or ambient temperature is lower, larger louvre can not its advantage of ingredient exerts, also can make the easy enclosure of dust on the contrary.Therefore, need to design a kind of vehicle power amplifier shell, make the gross area size of its louvre adjustable, meet heat radiation and dust-proof needs simultaneously.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of vehicle power amplifier shell, the size of the louvre of this shell is adjustable, can meet heat radiation and dust-proof demand simultaneously.
For achieving the above object, the invention provides following technical scheme:
A kind of vehicle power amplifier shell, comprise housing, it is characterized in that: described housing offers installing hole, movable part is provided with in described installing hole, described movable part retraction enclosure interior also can stretch out outside, be provided with the cavity communicated with enclosure interior in described movable part, the sidewall of described movable part is provided with the through hole communicated with cavity, and described vehicle power amplifier shell is also provided with the first locking mechanism for being locked to prevent movable part retraction enclosure interior when movable part stretches out outside.
By such scheme, movable part can be stretched out housing exterior, the gross area of the louvre of shell be increased, is beneficial to heat radiation; And movable part retraction enclosure is conducive to dust-proof.
Preferably: described movable part is provided with the driving spring for driving it to stretch out outside, described housing is provided with the second locking mechanism for being locked when movable part retraction enclosure interior.
By such scheme, driving spring can drive movable part to make it stretch out housing exterior and movable part can be remained on the state of stretching out, and movable part can be locked in retraction state by locking mechanism, prevents it from ejecting voluntarily.
Preferably: described movable part is double-layered cylinder structure, comprise inner core to be threaded with urceolus, wherein inner core is enclosed construction away from the end of housing, described urceolus and inner core all can rotate around respective axis, the barrel of urceolus is provided with some first openings, the barrel of inner core is provided with some second openings, when described first opening and the second opening partially overlap, forms described through hole.
By such scheme, rotate urceolus or inner core and make both relatively rotate just to change the aperture of through hole, and energy can the gross area of fine adjustment louvre, enables shell adapt to different environments for use better.
Preferably: described urceolus is provided with baffle ring away from one end of enclosure, described driving spring is sheathed contacts with baffle ring with shell respectively with on urceolus and the two ends of driving spring.
Preferably: described first locking mechanism comprises:
Cannelure, its circumference along urceolus is arranged on outer drum outer wall;
Slide block, it is connected with housing slippage and it slides along direction initialization its end can be made to slip in cannelure and skid off cannelure;
Contact chip, it is fixed on the end of inner core and is positioned at housing and departs to prevent inner core and installing hole;
Change, it is sheathed on urceolus outside and is connected with housing, and it can rotate around the axis of self, its inwall includes spiral pieces, when it rotates, the inwall of its spiral pieces drives slide block to make the end of slide block slip in cannelure, and in the process of inner core away from enclosure interior, change is completed by connecting rod and contact chip and is in transmission connection;
Back-moving spring, drives slide block that slide block is resetted during for rotating in change direction.
By such scheme, when movable part stretches out outside, rotate inner core and change can be driven to rotate, thus drive slide block to make the end of slide block enter in annular groove, so just complete and to the locking of movable part, only can need rotate backward inner core and just can unlock, very convenient.
Preferably: described locking mechanism comprises fixture block and snap ring, described fixture block is located at the periphery of baffle ring, described snap ring and shell are fixed and coaxial with urceolus, described snap ring is provided with the notch that passes through for fixture block and the inwall of snap ring is provided with the indentation of the annular of rotating with urceolus for fixture block, and described notch communicates with indentation.
Preferably: described inner core is provided with knob away from one end of shell.
By such scheme, can so that rotate inner core.
Compared with prior art, the invention has the advantages that: when the power of vehicle power amplifier is higher or ambient temperature is higher, movable part can be stretched out, to increase total area of dissipation of the louvre of housing, be beneficial to heat radiation; And when the power of vehicle power amplifier is lower or ambient temperature is lower, can, by movable part retraction enclosure interior, prevent dust from entering enclosure interior.This shell can meet demand that is dust-proof and heat radiation preferably.
Accompanying drawing explanation
Fig. 1 is the first view of the present invention;
Fig. 2 is the A portion enlarged drawing in Fig. 1;
Fig. 3 is cutaway view of the present invention;
Fig. 4 is the B portion enlarged drawing in Fig. 3;
Fig. 5 is the cutaway view of movable part;
Fig. 6 is the C portion enlarged drawing in Fig. 5;
Fig. 7 be change with slide block coordinate schematic diagram;
Fig. 8 is the D portion enlarged drawing in Fig. 7.
Description of reference numerals: 1, housing; 2, movable part; 3, urceolus; 4, inner core; 5, back-moving spring; 6, end cap; 7, the second opening; 8, the first opening; 9, baffle ring; 10, driving spring; 11, snap ring; 12, fixture block; 13, notch; 14, knob; 15, contact chip; 16, change; 17, connecting rod; 18, connecting hole; 19, slide block; 20, slide plate; 21, cannelure.
Embodiment
As Fig. 1 and Fig. 3, a kind of vehicle power amplifier housing 1, comprises housing, housing offers installing hole, is provided with movable part 2 in installing hole, and movable part 2 is connected with housing 1 slippage and is slidably connected.Also can stretch out housing 1 outside in retraction housing 1 inside when movable part 2 slidably reciprocates in installing hole, be provided with the cavity communicated with housing 1 inside in movable part 2, the sidewall of movable part 2 is provided with the through hole communicated with cavity.When movable part 2 stretches out housing 1 outside, housing 1 inside is communicated with outside air by its through hole and cavity, and the gross area of the louvre of housing 1 is increased, and the partial heat of housing 1 inside is distributed by movable part 2, is beneficial to heat radiation; When after the power reduction or ambient temperature reduction of vehicle power amplifier, on vehicle power amplifier housing 1, original louvre is enough to the heat of housing 1 inside to distribute, now, there is no need to make movable part 2 remain on the state of stretching out, if that movable part 2 retraction housing 1 is not inner in this condition, dust only can be made to enter housing 1 by through hole inner.Movable part 2 housing 1 of retracting can be made inner by pressing.
As Fig. 5, movable part 2 is double-layered cylinder structure, and comprise inner core 4 and urceolus 3, inner core 4 is threaded with urceolus 3.Inner core 4 is provided with end cap 6 away from the end of housing 1 and makes this end be hermetically-sealed construction and be provided with knob 14 at this end, the barrel of inner core 4 is provided with some second openings 7, the barrel of urceolus 3 is provided with some first openings 8, forms aforementioned through-hole when the first opening 8 and the second opening 7 partially overlap.Rotate urceolus 3 or inner core 4 make both occur aperture that relative motions just can change through hole, and energy can the gross area of fine adjustment louvre, makes housing 1 can adapt to different environments for use better.
As improvement, driving spring 10 is arranged with in urceolus 3 periphery, as Fig. 2, baffle ring 9 is provided with away from the end of housing at urceolus, driving spring 10 is sheathed on urceolus and its two ends and contacts with baffle ring 9 with housing 1 outer wall respectively, driving spring 10 is in compressive state all the time, and to stretch out housing 1 outside and under activity will be remained on the state of stretching out for promoting movable part 2 for driving spring 10.
In fact, the elastic force of driving spring is limited.Movable part 2 be in stretch out state time, if when movable part 2 is subject to extruding force or the impact being greater than driving spring elastic force, driving spring all can shrink, thus makes movable part 2 retraction housing 1 inner, and this is disadvantageous to the heat radiation of housing 1.For solving this problem, power amplifier shell is provided with the first locking mechanism.
The present embodiment is explained in detail to the first locking mechanism with reference to Fig. 5 to Fig. 8.As Fig. 5 and Fig. 6, the first locking mechanism comprises contact chip 15, change 16, slide block 19 and cannelure 21.Contact chip 15 and inner core 4 are positioned at the end winding support of housing 1 inside, and the edge of contact chip 15 abuts with the inwall of housing 1, can not be separated when contact chip 15 makes movable part 2 outwards slide with housing 1.Cannelure 21 is arranged on the outer wall of urceolus 3 near the end of housing 1 inside, and cannelure 21 distributes along the circumference of urceolus 3.In shell wall, be provided with chute along the radial direction of urceolus 3, chute extends to the inwall place of installing hole near one end of urceolus 3 and forms opening, and slide block 19 is located in chute and slide block 19 can slidably reciprocate along chute.Slide block 19 is in the process of sliding, and its end can skid off from the opening part of chute and enter cannelure 21.Change 16 is embedded in the inwall of installing hole, and change 16 and urceolus 3 be coaxial to be arranged and change 16 freely can be rotated around the axis of self.Change 16 is provided with connecting rod 17, contact chip 15 is provided with connecting hole 18.In the process that inner core 4 rotates away from housing 1 inside, the end of connecting rod 17 can be inserted in connecting hole 18.Be rotated further inner core 4, contact chip 15 will drive change 16 to rotate.It should be noted that: the inwall of change 16 is irregular circular arc, and the inwall of change 16 includes spiral pieces, with reference to Fig. 8, spiral pieces is towards the center curvature of change 16.Slide block 19 is provided with slide plate 20, and the end of slide plate 20 contacts with the spiral pieces of the inwall of change 16, also offers the sliding chamber of sliding for slide plate 20 in shell wall.When change 16 is rotated, the inwall of its spiral pieces drives slide plate 20 to slide to the direction near urceolus 3, and then band movable slider 19 slides, and the end of slide block 19 is entered in cannelure 21.Like this, urceolus 3-namely movable part 2 is just locked, and now, movable part 2 would not slide by when extruding force or impact to a certain extent, remains on the state of stretching out.In addition, for realizing unlocking function, in chute, be also provided with back-moving spring 5.Back-moving spring 5 is positioned at the inboard of chute, and the two ends of back-moving spring 5 are fixed with the end face of slide block 19 and the cell wall of chute respectively, and in the process of locking, back-moving spring 5 is stretched accumulation of energy.The process unlocked is: rotate backward inner core 4, make contact chip 15 drive change 16 to rotate backward, the spiral pieces of change 16 inwall loses the thrust to slide block 19.Now, back-moving spring 5 shrinks releases energy, drives slide block 19 to slide towards the direction away from urceolus 3, the end of slide block 19 is skidded off from cannelure 21, thus realizes unlocking.User only need rotate inner core 4 and just can complete locking, unlock the aperture that also can regulate through hole, and this kind of structure operation is convenient, very hommization.
In addition, housing 1 is also provided with the second locking knot mechanism.Contrast Fig. 3 and Fig. 4, locking mechanism comprises fixture block 12 and snap ring 11, and fixture block 12 is located at the periphery of baffle ring 9, and snap ring 11 is fixing and coaxial with urceolus 3 with housing 1, and snap ring 11 is provided with notch 13 that confession fixture block 12 passes through and notch 13 communicates with the indentation of snap ring 11.After movable part 2 being pushed back housing 1 inside, fixture block 12 is also entered by notch 13 in the indentation of snap ring 11, after fixture block 12 enters the indentation of snap ring 11, then rotates urceolus 3 fixture block 12 is locked by snap ring 11, just movable part 2 can be locked, prevent it from ejecting voluntarily.
It should be noted that: connected by design the pitch of the screw thread of inner core 4 and urceolus 3, restriction inner core 4 and urceolus 3 in relative rotation angular range and the degree of depth designing connecting hole 18 just can make connecting hole 18 on contact chip 15 and connecting rod 17 perfect cooperation in change 16, there will not be the situation that connecting rod 17 and connecting hole 18 misalignment or the sliding distance of inner core 4 are inadequate.
Below be only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a vehicle power amplifier shell, comprise housing, it is characterized in that: described housing offers installing hole, movable part is provided with in described installing hole, described movable part retraction enclosure interior also can stretch out outside, be provided with the cavity communicated with enclosure interior in described movable part, the sidewall of described movable part is provided with the through hole communicated with cavity, and described vehicle power amplifier shell is also provided with the first locking mechanism for being locked to prevent movable part retraction enclosure interior when movable part stretches out outside.
2. vehicle power amplifier shell according to claim 1, it is characterized in that: described movable part is provided with the driving spring for driving it to stretch out outside, described housing is provided with the second locking mechanism for being locked when movable part (2) retraction enclosure interior.
3. vehicle power amplifier shell according to claim 2, it is characterized in that: described movable part is double-layered cylinder structure, comprise inner core to be threaded with urceolus, wherein inner core is enclosed construction away from the end of housing, described urceolus and inner core all can rotate around respective axis, the barrel of urceolus is provided with some first openings, the barrel of inner core is provided with some second openings, when described first opening and the second opening partially overlap, form described through hole.
4. vehicle power amplifier shell according to claim 3, is characterized in that: described urceolus is provided with baffle ring away from one end of enclosure interior, described driving spring is sheathed on urceolus and the two ends of driving spring and contacts with baffle ring with housing respectively.
5. vehicle power amplifier shell according to claim 3, is characterized in that: described first locking mechanism comprises:
Cannelure, its circumference along urceolus is arranged on outer drum outer wall;
Slide block, it is connected with housing slippage and it slides along direction initialization its end can be made to slip in cannelure and skid off cannelure;
Contact chip, it is fixed on the end of inner core and is positioned at housing and departs to prevent inner core and installing hole;
Change, it is sheathed on urceolus outside and is connected with housing, and it can rotate around the axis of self, its inwall includes spiral pieces, when it rotates, the inwall of its spiral pieces drives slide block to make the end of slide block slip in cannelure, and in the process of inner core away from enclosure interior, change is completed by connecting rod and contact chip and is in transmission connection;
Back-moving spring, drives slide block that slide block is resetted during for rotating in change direction.
6. vehicle power amplifier shell according to claim 4, it is characterized in that: described second locking mechanism comprises fixture block and snap ring, described fixture block is located at the periphery of baffle ring, described snap ring and housing are fixed and coaxial with urceolus, described snap ring is provided with the notch that passes through for fixture block and the inwall of snap ring is provided with the indentation of the annular of rotating with urceolus for fixture block, and described notch communicates with indentation.
7. vehicle power amplifier shell according to claim 5, is characterized in that: described inner core is provided with knob away from one end of housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610032840.5A CN105555082B (en) | 2016-01-18 | 2016-01-18 | A kind of vehicle power amplifier shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610032840.5A CN105555082B (en) | 2016-01-18 | 2016-01-18 | A kind of vehicle power amplifier shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105555082A true CN105555082A (en) | 2016-05-04 |
| CN105555082B CN105555082B (en) | 2018-07-06 |
Family
ID=55833936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610032840.5A Active CN105555082B (en) | 2016-01-18 | 2016-01-18 | A kind of vehicle power amplifier shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105555082B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113452885A (en) * | 2021-06-28 | 2021-09-28 | 无锡太湖学院 | Information acquisition device based on artificial intelligence |
| EP4017232A4 (en) * | 2019-12-13 | 2022-10-12 | ZTE Corporation | Heat dissipation device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87217539U (en) * | 1987-12-30 | 1988-08-31 | 苏恩远 | Horizontal automatic discharge valve |
| US5455457A (en) * | 1990-11-27 | 1995-10-03 | Nec Corporation | Package for semiconductor elements having thermal dissipation means |
| CN2439614Y (en) * | 2000-08-29 | 2001-07-18 | 长春三星厨房设备有限公司 | Fuel gas, air linkage valve |
| CN201476377U (en) * | 2009-09-08 | 2010-05-19 | 潍坊三华利机械科技有限公司 | Anti-freezing electromagnetic valve of solar water heater |
| CN203106757U (en) * | 2013-03-07 | 2013-08-07 | 格力电器（中山）小家电制造有限公司 | Double-mode cooking appliance |
| CN204069598U (en) * | 2014-07-08 | 2014-12-31 | 安吉腾飞电子有限公司 | A kind of test power amplifier |
| CN204168696U (en) * | 2014-10-31 | 2015-02-18 | 成都技高科技有限公司 | For the dustproof ventilated mechanism of environmental control |
-
2016
- 2016-01-18 CN CN201610032840.5A patent/CN105555082B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87217539U (en) * | 1987-12-30 | 1988-08-31 | 苏恩远 | Horizontal automatic discharge valve |
| US5455457A (en) * | 1990-11-27 | 1995-10-03 | Nec Corporation | Package for semiconductor elements having thermal dissipation means |
| CN2439614Y (en) * | 2000-08-29 | 2001-07-18 | 长春三星厨房设备有限公司 | Fuel gas, air linkage valve |
| CN201476377U (en) * | 2009-09-08 | 2010-05-19 | 潍坊三华利机械科技有限公司 | Anti-freezing electromagnetic valve of solar water heater |
| CN203106757U (en) * | 2013-03-07 | 2013-08-07 | 格力电器（中山）小家电制造有限公司 | Double-mode cooking appliance |
| CN204069598U (en) * | 2014-07-08 | 2014-12-31 | 安吉腾飞电子有限公司 | A kind of test power amplifier |
| CN204168696U (en) * | 2014-10-31 | 2015-02-18 | 成都技高科技有限公司 | For the dustproof ventilated mechanism of environmental control |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4017232A4 (en) * | 2019-12-13 | 2022-10-12 | ZTE Corporation | Heat dissipation device |
| CN113452885A (en) * | 2021-06-28 | 2021-09-28 | 无锡太湖学院 | Information acquisition device based on artificial intelligence |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105555082B (en) | 2018-07-06 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| CB03 | Change of inventor or designer information |
Inventor after: Shao Jingrong Inventor after: Huang Zhenyu Inventor after: Cheng Jinyu Inventor before: Huang Zhenyu Inventor before: Cheng Jinyu |
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| COR | Change of bibliographic data | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |