CN108770284B - High-speed frequency divider - Google Patents
High-speed frequency divider Download PDFInfo
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- CN108770284B CN108770284B CN201810484674.1A CN201810484674A CN108770284B CN 108770284 B CN108770284 B CN 108770284B CN 201810484674 A CN201810484674 A CN 201810484674A CN 108770284 B CN108770284 B CN 108770284B
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- fixedly connected
- frequency divider
- telescopic
- spring
- sliding
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- 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
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
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- 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
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- 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
- H05K5/0217—Mechanical details of casings
Abstract
The invention discloses a high-speed frequency divider which comprises a first protective shell, wherein the upper surface of the inner wall of the first protective shell is fixedly connected with the lower surface of a base, the left side and the right side of the upper surface of the base are fixedly connected with the bottom end of a baffle, the top of the baffle is sleeved with a sliding sleeve, the inner wall of the sliding sleeve is sleeved with a sliding rod, the right end of the sliding rod is fixedly connected with the left side surface of a limiting plate, the left end of the sliding rod is fixedly connected with the right side surface of an L-shaped fixed plate, the left side surface of the baffle is fixedly connected with the right end of a first telescopic mechanism, and the left end of the first telescopic mechanism is fixedly connected with the right side surface of the L. According to the invention, the heat radiating fins, the ventilation openings, the dustproof net, the first telescopic rod, the first spring, the sliding block and the bolt are arranged, so that the frequency divider circuit board can be rapidly installed and disassembled, meanwhile, the heat radiating fins and the dustproof net achieve the double effects of heat radiation and dust prevention, the service performance is improved, and the optimal use effect is achieved.
Description
Technical Field
The invention relates to the technical field of frequency dividers, in particular to a high-speed frequency divider.
Background
In our lives, various devices for amplifying sound are often used, and the most basic of such devices is a frequency divider, which is also called an analog frequency divider, and is a circuit device in a sound box. The device is used for separating an input analog audio signal into different parts of treble, middle and bass, and then sending the different parts into corresponding high, middle and low-pitch loudspeaker units for playback.
Current frequency divider often can be because long-time use and produce the heat in the use, and the circuit board generates heat and can influence the performance of frequency divider, makes equipment life descend, and the person of heaviness causes the fire incident easily because the heat gathers, causes great influence to installation and dismantlement process at the frequency divider circuit board are too loaded down with trivial details, waste time and energy.
Disclosure of Invention
The invention provides a high-speed frequency divider, which aims to solve the technical problems that heat on a circuit board of the frequency divider is difficult to dissipate due to long-time use, the heat dissipation efficiency is low, equipment is abnormal due to light persons, the service life of the equipment is shortened, fire accidents are easily caused due to heat accumulation of heavy persons, great influence is caused, and time and labor are wasted due to excessively complicated installation and disassembly processes of the circuit board of the frequency divider.
Technical solution to achieve the above object, the present invention provides the following technical solutions: a high-speed frequency divider comprises a first protective shell, wherein the upper surface of the inner wall of the first protective shell is fixedly connected with the lower surface of a base, the left side and the right side of the upper surface of the base are fixedly connected with the bottom end of a baffle, a sliding sleeve is sleeved at the top of the baffle, a sliding rod is sleeved on the inner wall of the sliding sleeve, the right end of the sliding rod is fixedly connected with the left side surface of a limiting plate, the left end of the sliding rod is fixedly connected with the right side surface of an L-shaped fixed plate, the left side surface of the baffle is fixedly connected with the right end of a first telescopic mechanism, the left end of the first telescopic mechanism is fixedly connected with the right side surface of the L-shaped fixed plate, the bottom end of the L-shaped fixed plate is fixedly connected with the upper surface of a sliding block, a first groove is formed in the upper surface of the base, the L-shaped fixed plate is slidably connected, the upper surface of frequency divider circuit board in proper order with frequency divider output end interface, pilot lamp, fin, frequency division inductance and frequency division input end interface electric connection, the top of first protective housing is rotated through the pivot and is connected with the second protective housing, the right flank of first protective housing inner wall and the left end fixed connection of backup pad, the upper surface of backup pad and second telescopic machanism's bottom fixed connection, second telescopic machanism's top and gyro wheel fixed connection, the second recess has been seted up to the lower surface of second protective housing, and second telescopic machanism passes through gyro wheel roll connection in the second recess.
Preferably, the first telescopic mechanism comprises a first telescopic rod, a first spring is sleeved outside the first telescopic rod, the left ends of the first telescopic rod and the first spring are fixedly connected with the L-shaped fixing plate, and the right ends of the first telescopic rod and the first spring are fixedly connected with the baffle.
Preferably, the second telescopic mechanism comprises a second telescopic rod, a second spring is sleeved outside the second telescopic rod, the bottom ends of the second telescopic rod and the second spring are fixedly connected with the upper surface of the supporting plate, and the top ends of the second telescopic rod and the second spring are fixedly connected with the rollers.
Preferably, the first protective housing and the second protective housing are both provided with vents, inner walls of the vents are fixedly connected with the dustproof net, and the upper surface of the second protective housing is fixedly connected with a handle.
Preferably, the number of the heat radiating fins is three, and the frequency division inductors are specifically a high-pass filter, a low-pass filter and a band-pass filter.
Preferably, the left side and the right side of the outer wall of the first protection shell are fixedly connected with the mounting blocks, and the two mounting blocks are in threaded connection with bolts.
The invention provides a high-speed frequency divider, which has the following beneficial effects: 1. the high-speed frequency divider is characterized in that a radiating fin, a ventilating opening, a dustproof net, a first telescopic rod, a first spring, a sliding block, an installation block and a bolt are arranged, when the high-speed frequency divider is used, a second protective shell is opened, the second spring is extended, the second telescopic rod is extended, rollers slide in a second groove, a limiting plate is pulled, the limiting plate drives a sliding rod, the sliding rod drives an L-shaped fixing plate, the L-shaped fixing plate slides in the first groove through the sliding block, two L-shaped fixing plates are driven to move back and forth, then a frequency divider circuit board is placed on a base, an external electric signal is respectively electrically connected with a frequency division output end interface and a frequency division input end interface, then the first protective shell is installed on the inner wall of a sound box through the installation block and the bolt, so that the frequency divider circuit board can be quickly installed and detached, and meanwhile, the radiating, the service performance is improved, and therefore the best use effect is achieved.
2. This high-speed frequency divider through setting up sliding sleeve and slide bar to make the in-process that removes about the pulling limiting plate make the slide bar remove when the slide bar removes in the sliding sleeve and slide and be difficult for rocking and more stable, through setting up first spring and first telescopic link, thereby can utilize the elastic action of first spring, make first spring reconversion drive L shape fixed plate relative movement, convenient and fast.
3. The high-speed frequency divider is provided with the radiating fins, so that heat generated in the using process of a circuit board of the frequency divider can be quickly radiated, meanwhile, due to the arrangement of the ventilation openings and the dustproof net, the heat is further radiated, and the high-speed frequency divider is simple in structure, reasonable in design and high in practicability.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention; FIG. 2 is a schematic top view of a circuit board of the frequency divider of the present invention; fig. 3 is an enlarged schematic view of the structure at a of the present invention.
In the figure: the device comprises a first protective shell 1, a base 2, a baffle 3, a sliding sleeve 4, a sliding rod 5, a limiting plate 6, a fixing plate 7L-shaped, a first telescopic mechanism 8, a first spring 81, a first telescopic rod 82, a sliding block 9, a first groove 10, a frequency divider circuit board 11, a frequency division output end interface 12, an indicator lamp 13, a radiating fin 14, a frequency division inductor 15, a frequency division input end interface 16, a rotating shaft 17, a second protective shell 18, a supporting plate 19, a second telescopic mechanism 20, a second telescopic rod 201, a second spring 202, a roller 21, a second groove 22, a vent 23, a dustproof net 24, a mounting block 25 and a bolt 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the present invention provides a technical solution: a high-speed frequency divider comprises a first protective shell 1, wherein the first protective shell 1 and a second protective shell 18 are respectively provided with a vent 23, the vent 23 is arranged, so that heat generated when a frequency divider circuit board 11 is used can be quickly dissipated, the inner wall of the vent 23 is fixedly connected with a dustproof net 24, the dustproof net 24 is arranged, so that dust can be prevented from gathering to influence the service performance of the frequency divider circuit board 11, the left side surface and the right side surface of the outer wall of the first protective shell 1 are fixedly connected with mounting blocks 25, the two mounting blocks 25 are respectively in threaded connection with bolts 26, the frequency divider can be better fixed on the inner wall of a sound box by arranging the mounting blocks 25 and the bolts 26, the high-speed frequency divider is convenient and quick, the upper surface of the inner wall of the first protective shell 1 is fixedly connected with the lower surface of a base 2, and the left side and the right side of the upper surface of the base, the sliding sleeve 4 is sleeved on the top of the baffle 3, by arranging the sliding sleeve 4, the sliding rod 5 is more stable when the sliding rod 5 is driven to slide in the sliding sleeve 4 by pulling the limiting plate 6 to move left and right, the sliding rod 5 is sleeved on the inner wall of the sliding sleeve 4, the right end of the sliding rod 5 is fixedly connected with the left side surface of the limiting plate 6, by arranging the limiting plate 6, the sliding rod 5 is prevented from separating from the sliding sleeve 4 when sliding in the sliding sleeve 4, so that the stability of the L-shaped fixing plate when moving left and right is ensured, the left end of the sliding rod 5 is fixedly connected with the right side surface of the L-shaped fixing plate 7, by arranging the L-shaped fixing plate 7, the frequency divider circuit board 11 can be clamped and fixed, the left side surface of the baffle 3 is fixedly connected with the right end of the first telescopic mechanism 8, the first telescopic mechanism 8 comprises a first telescopic rod 82, a first spring 81 is sleeved outside the first telescopic, the right ends of the first telescopic rod 82 and the first spring 81 are fixedly connected with the baffle 3, the left end of the first telescopic mechanism 8 is fixedly connected with the right side surface of the L-shaped fixed plate 7, the bottom end of the L-shaped fixed plate 7 is fixedly connected with the upper surface of the sliding block 9, the upper surface of the base 2 is provided with a first groove 10, the L-shaped fixed plate 7 is slidably connected in the first groove 10 through the sliding block 9, the upper surface of the base 2 is movably provided with a frequency divider circuit board 11, the upper surface of the frequency divider circuit board 11 is sequentially electrically connected with a frequency divider output end interface, an indicator lamp 13, radiating fins 14, a frequency division inductor 15 and a frequency division input end interface 16, the number of the radiating fins 14 is three, the frequency division inductors 15 are specifically high-pass filters, low-pass filters and band-pass filters, and the radiating fins 14 are arranged, so that heat generated by the frequency divider circuit board, the using performance is improved, the top of the first protective shell 1 is rotationally connected with a second protective shell 18 through a rotating shaft 17, the upper surface of the second protective shell 18 is fixedly connected with a handle, and by arranging the handle, thereby can convenient and fast open and close second protective housing 18, the right flank of 1 inner wall of first protective housing and the left end fixed connection of backup pad 19, the upper surface of backup pad 19 and the bottom fixed connection of second telescopic machanism 20, second telescopic machanism 20 includes second telescopic link 201, second spring 202 has been cup jointed to the outside of second telescopic link 201, the bottom of second telescopic link 201 and second spring 202 all is connected with the upper surface fixed connection of backup pad 19, the top of second telescopic link 201 and second spring 202 all with gyro wheel 21 fixed connection, the top and the gyro wheel 21 fixed connection of second telescopic machanism 20, second recess 22 has been seted up to the lower surface of second protective housing 18, and second telescopic machanism 20 passes through gyro wheel 21 roll connection in second recess 22.
When in use, the second protective shell 18 is opened, the second spring 202 is extended, the second telescopic rod 201 is extended, the roller 21 slides in the second groove 22, the limiting plate 6 is pulled, the limiting plate 6 drives the sliding rod 5, the sliding rod 5 drives the L-shaped fixing plate 7, the L-shaped fixing plate 7 slides in the first groove 10 through the sliding block 9, the two L-shaped fixing plates 7 are driven to move back and forth, then the frequency divider circuit board 11 is placed on the base 2, at the moment, the limiting plate 6 is loosened, the first spring 81 is contracted due to the elastic action of the first spring 81, the first telescopic rod 82 is driven to contract, the two L-shaped fixing plates 7 are driven to move relatively to clamp and fix the frequency divider circuit board 11, then the external electric signal is respectively electrically connected with the frequency division output end interface 12 and the frequency division input end interface 16, and then the handle on the second protective shell 18, because the elastic force effect of second spring 202 makes second protective housing 18 close and forms sealed space with second protective housing 18, then through installation piece 25 and bolt 26 with first protective housing 1 install at the stereo set inner wall can, fin 14 can dispel the heat to it in the frequency divider use simultaneously, vent 23 further dispels the heat, has promoted the radiating efficiency, dustproof effect has then been played to dust screen 24 to reach best result of use, promote the availability factor.
In summary, 1, the high-speed frequency divider is provided with the heat sink 14, the vent 23, the dust screen 24, the first telescopic rod 82, the first spring 81, the slider 9, the mounting block 25 and the bolt 26, when in use, the second protective shell 18 is opened, the second spring 202 is extended, so that the second telescopic rod 201 is extended, so that the roller 21 slides in the second groove 22, the limiting plate 6 is pulled, the limiting plate 6 drives the sliding rod 5, the sliding rod 5 drives the L-shaped fixing plate 7, the L-shaped fixing plate 7 slides in the first groove 10 through the slider 9, so that the two L-shaped fixing plates 7 are driven to move back and forth, then the frequency divider circuit board 11 is placed on the base 2, then the external electrical signal is respectively electrically connected with the frequency division output end interface 12 and the frequency division input end interface 16, and then the first protective shell 1 is mounted on the inner wall of the sound box through the mounting, therefore, the frequency divider circuit board 11 can be quickly mounted and dismounted, and meanwhile, the radiating fins 14, the ventilation openings 23 and the dustproof net 24 achieve the dual effects of heat dissipation and dust prevention, so that the use performance is improved, and the best use effect is achieved.
2. This high-speed frequency divider through setting up sliding sleeve 4 and slide bar 5 to make the in-process that removes about pulling limiting plate 6 make slide bar 5 remove when removing in sliding sleeve 4 that the slip is difficult for rocking and more stable, through setting up first spring 81 and first telescopic link 82, thereby can utilize the elastic action of first spring 81, make first spring 81 reconversion drive L shape fixed plate 7 relative movement, convenient and fast.
3. The high-speed frequency divider is provided with the radiating fins 14, so that heat generated in the using process of the frequency divider circuit board 11 can be quickly radiated, meanwhile, due to the arrangement of the ventilating openings 23 and the dustproof net 24, the heat is further radiated, the structure is simple, and the high-speed frequency divider is compact in structure, reasonable in design and high in practicability.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A high-speed frequency divider comprising a first protective housing (1), characterized in that: the upper surface of the inner wall of the first protective shell (1) is fixedly connected with the lower surface of the base (2), the right side of the upper surface of the base (2) is fixedly connected with the bottom end of the baffle (3), the top of the baffle (3) is sleeved with the sliding sleeve (4), the inner wall of the sliding sleeve (4) is sleeved with the sliding rod (5), the right end of the sliding rod (5) is fixedly connected with the left side surface of the limiting plate (6), the left end of the sliding rod (5) is fixedly connected with the right side surface of the L-shaped fixing plate (7), the left side surface of the baffle (3) is fixedly connected with the right end surface of the first telescopic mechanism (8), the left end of the first telescopic mechanism (8) is fixedly connected with the right side surface of the L-shaped fixing plate (7), the bottom end of the L-shaped fixing plate (7) is fixedly connected with the upper surface of the sliding block (9), the upper surface of the base (2) is provided, and the L-shaped fixing plate (7) is connected in the first groove (10) through a sliding block (9) in a sliding manner, the upper surface of the base (2) is movably provided with a frequency divider circuit board (11), the upper surface of the frequency divider circuit board (11) is electrically connected with a frequency divider output end interface, an indicator lamp (13), a radiating fin (14), a frequency division inductor (15) and a frequency division input end interface (16) in sequence, the top of the first protection shell (1) is rotatably connected with a second protection shell (18) through a rotating shaft (17), the right side surface of the inner wall of the first protection shell (1) is fixedly connected with the left end of a supporting plate (19), the upper surface of the supporting plate (19) is fixedly connected with the bottom end of a second telescopic mechanism (20), the top end of the second telescopic mechanism (20) is fixedly connected with a roller (21), the lower surface of the second protection shell (18) is provided with a second groove (22), and the second telescopic mechanism (20) is connected in the second groove (22) in a rolling way through a roller (21).
2. A high-speed frequency divider as recited in claim 1, wherein: first telescopic machanism (8) include first telescopic link (82), first spring (81) have been cup jointed to the outside of first telescopic link (82), the left end of first telescopic link (82) and first spring (81) all with L shape fixed plate (7) fixed connection, the right-hand member of first telescopic link (82) and first spring (81) all with baffle (3) fixed connection.
3. A high-speed frequency divider as recited in claim 1, wherein: the second telescopic mechanism (20) comprises a second telescopic rod (201), a second spring (202) is sleeved outside the second telescopic rod (201), the bottom ends of the second telescopic rod (201) and the second spring (202) are fixedly connected with the upper surface of the supporting plate (19), and the top ends of the second telescopic rod (201) and the second spring (202) are fixedly connected with the roller (21).
4. A high-speed frequency divider as recited in claim 1, wherein: vent (23) have all been seted up on first protective housing (1) and second protective housing (18), and vent (23) inner wall all with dust screen (24) fixed connection, the last fixed surface of second protective housing (18) is connected with the handle.
5. A high-speed frequency divider as recited in claim 1, wherein: the number of the radiating fins (14) is more than one, and the number of the frequency division inductors (15) is three, and the frequency division inductors are more than one, and are more than one high-pass filter, low-pass filter and band-pass filter.
6. A high-speed frequency divider as recited in claim 1, wherein: the left surface and the right surface of the outer wall of the first protection shell (1) are fixedly connected with the mounting blocks (25), and the two mounting blocks (25) are in threaded connection with bolts (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810484674.1A CN108770284B (en) | 2018-05-20 | 2018-05-20 | High-speed frequency divider |
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| CN201810484674.1A CN108770284B (en) | 2018-05-20 | 2018-05-20 | High-speed frequency divider |
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| CN108770284A CN108770284A (en) | 2018-11-06 |
| CN108770284B true CN108770284B (en) | 2020-09-29 |
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| CN201810484674.1A Active CN108770284B (en) | 2018-05-20 | 2018-05-20 | High-speed frequency divider |
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| CN109936950B (en) * | 2019-04-12 | 2020-12-22 | 四川蜀天信息技术有限公司 | Heat dissipation type industrial personal computer convenient to disassemble and assemble and used for software testing |
| CN110260049B (en) * | 2019-07-13 | 2021-02-05 | 四川玖壹建设工程有限公司 | Pipeline is with consolidating support convenient to it is fixed |
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| CN206601471U (en) * | 2017-03-28 | 2017-10-31 | 东莞市祥宸电子科技有限公司 | A kind of circuit board testing jig with fine adjustment function |
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Effective date of registration: 20200902 Address after: 350200 B-2, 24th floor, Shiyang International City Office Building, Wuhang Street, Changle District, Fuzhou City, Fujian Province Applicant after: Fuzhou Siqi Technology Co.,Ltd. Address before: 1123, room 3, building 588, Binhe Road, hi tech Zone, Jiangsu, Suzhou, 215000 Applicant before: SUZHOU WOSEN YOUJIN ELECTRONIC TECHNOLOGY Co.,Ltd. |
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